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-rw-r--r--lib/jsoncpp/jsoncpp.cpp2762
1 files changed, 1351 insertions, 1411 deletions
diff --git a/lib/jsoncpp/jsoncpp.cpp b/lib/jsoncpp/jsoncpp.cpp
index 507a1c6ad..30e0a69f7 100644
--- a/lib/jsoncpp/jsoncpp.cpp
+++ b/lib/jsoncpp/jsoncpp.cpp
@@ -92,6 +92,9 @@ license you like.
#ifndef LIB_JSONCPP_JSON_TOOL_H_INCLUDED
#define LIB_JSONCPP_JSON_TOOL_H_INCLUDED
+#if !defined(JSON_IS_AMALGAMATION)
+#include <json/config.h>
+#endif
// Also support old flag NO_LOCALE_SUPPORT
#ifdef NO_LOCALE_SUPPORT
@@ -109,7 +112,7 @@ license you like.
*/
namespace Json {
-static char getDecimalPoint() {
+static inline char getDecimalPoint() {
#ifdef JSONCPP_NO_LOCALE_SUPPORT
return '\0';
#else
@@ -119,8 +122,8 @@ static char getDecimalPoint() {
}
/// Converts a unicode code-point to UTF-8.
-static inline JSONCPP_STRING codePointToUTF8(unsigned int cp) {
- JSONCPP_STRING result;
+static inline String codePointToUTF8(unsigned int cp) {
+ String result;
// based on description from http://en.wikipedia.org/wiki/UTF-8
@@ -154,7 +157,7 @@ enum {
};
// Defines a char buffer for use with uintToString().
-typedef char UIntToStringBuffer[uintToStringBufferSize];
+using UIntToStringBuffer = char[uintToStringBufferSize];
/** Converts an unsigned integer to string.
* @param value Unsigned integer to convert to string
@@ -174,28 +177,45 @@ static inline void uintToString(LargestUInt value, char*& current) {
* We had a sophisticated way, but it did not work in WinCE.
* @see https://github.com/open-source-parsers/jsoncpp/pull/9
*/
-static inline void fixNumericLocale(char* begin, char* end) {
- while (begin < end) {
+template <typename Iter> Iter fixNumericLocale(Iter begin, Iter end) {
+ for (; begin != end; ++begin) {
if (*begin == ',') {
*begin = '.';
}
- ++begin;
}
+ return begin;
}
-static inline void fixNumericLocaleInput(char* begin, char* end) {
+template <typename Iter> void fixNumericLocaleInput(Iter begin, Iter end) {
char decimalPoint = getDecimalPoint();
- if (decimalPoint != '\0' && decimalPoint != '.') {
- while (begin < end) {
- if (*begin == '.') {
- *begin = decimalPoint;
- }
- ++begin;
+ if (decimalPoint == '\0' || decimalPoint == '.') {
+ return;
+ }
+ for (; begin != end; ++begin) {
+ if (*begin == '.') {
+ *begin = decimalPoint;
}
}
}
-} // namespace Json {
+/**
+ * Return iterator that would be the new end of the range [begin,end), if we
+ * were to delete zeros in the end of string, but not the last zero before '.'.
+ */
+template <typename Iter> Iter fixZerosInTheEnd(Iter begin, Iter end) {
+ for (; begin != end; --end) {
+ if (*(end - 1) != '0') {
+ return end;
+ }
+ // Don't delete the last zero before the decimal point.
+ if (begin != (end - 1) && *(end - 2) == '.') {
+ return end;
+ }
+ }
+ return end;
+}
+
+} // namespace Json
#endif // LIB_JSONCPP_JSON_TOOL_H_INCLUDED
@@ -219,69 +239,65 @@ static inline void fixNumericLocaleInput(char* begin, char* end) {
// See file LICENSE for detail or copy at http://jsoncpp.sourceforge.net/LICENSE
#if !defined(JSON_IS_AMALGAMATION)
+#include "json_tool.h"
#include <json/assertions.h>
#include <json/reader.h>
#include <json/value.h>
-#include "json_tool.h"
#endif // if !defined(JSON_IS_AMALGAMATION)
-#include <utility>
-#include <cstdio>
+#include <algorithm>
#include <cassert>
#include <cstring>
+#include <iostream>
#include <istream>
-#include <sstream>
+#include <limits>
#include <memory>
#include <set>
-#include <limits>
+#include <sstream>
+#include <utility>
-#if defined(_MSC_VER)
-#if !defined(WINCE) && defined(__STDC_SECURE_LIB__) && _MSC_VER >= 1500 // VC++ 9.0 and above
-#define snprintf sprintf_s
-#elif _MSC_VER >= 1900 // VC++ 14.0 and above
-#define snprintf std::snprintf
-#else
-#define snprintf _snprintf
-#endif
-#elif defined(__ANDROID__) || defined(__QNXNTO__)
-#define snprintf snprintf
-#elif __cplusplus >= 201103L
-#if !defined(__MINGW32__) && !defined(__CYGWIN__)
-#define snprintf std::snprintf
-#endif
-#endif
+#include <cstdio>
+#if __cplusplus >= 201103L
-#if defined(__QNXNTO__)
+#if !defined(sscanf)
#define sscanf std::sscanf
#endif
-#if defined(_MSC_VER) && _MSC_VER >= 1400 // VC++ 8.0
+#endif //__cplusplus
+
+#if defined(_MSC_VER)
+#if !defined(_CRT_SECURE_CPP_OVERLOAD_STANDARD_NAMES)
+#define _CRT_SECURE_CPP_OVERLOAD_STANDARD_NAMES 1
+#endif //_CRT_SECURE_CPP_OVERLOAD_STANDARD_NAMES
+#endif //_MSC_VER
+
+#if defined(_MSC_VER)
// Disable warning about strdup being deprecated.
#pragma warning(disable : 4996)
#endif
-// Define JSONCPP_DEPRECATED_STACK_LIMIT as an appropriate integer at compile time to change the stack limit
+// Define JSONCPP_DEPRECATED_STACK_LIMIT as an appropriate integer at compile
+// time to change the stack limit
#if !defined(JSONCPP_DEPRECATED_STACK_LIMIT)
#define JSONCPP_DEPRECATED_STACK_LIMIT 1000
#endif
-static size_t const stackLimit_g = JSONCPP_DEPRECATED_STACK_LIMIT; // see readValue()
+static size_t const stackLimit_g =
+ JSONCPP_DEPRECATED_STACK_LIMIT; // see readValue()
namespace Json {
#if __cplusplus >= 201103L || (defined(_CPPLIB_VER) && _CPPLIB_VER >= 520)
-typedef std::unique_ptr<CharReader> CharReaderPtr;
+using CharReaderPtr = std::unique_ptr<CharReader>;
#else
-typedef std::auto_ptr<CharReader> CharReaderPtr;
+using CharReaderPtr = std::auto_ptr<CharReader>;
#endif
// Implementation of class Features
// ////////////////////////////////
-Features::Features()
- : allowComments_(true), strictRoot_(false),
- allowDroppedNullPlaceholders_(false), allowNumericKeys_(false) {}
+Features::Features() = default;
-Features Features::all() { return Features(); }
+Features Features::all() { return {}; }
Features Features::strictMode() {
Features features;
@@ -296,49 +312,38 @@ Features Features::strictMode() {
// ////////////////////////////////
bool Reader::containsNewLine(Reader::Location begin, Reader::Location end) {
- for (; begin < end; ++begin)
- if (*begin == '\n' || *begin == '\r')
- return true;
- return false;
+ return std::any_of(begin, end, [](char b) { return b == '\n' || b == '\r'; });
}
// Class Reader
// //////////////////////////////////////////////////////////////////
-Reader::Reader()
- : errors_(), document_(), begin_(), end_(), current_(), lastValueEnd_(),
- lastValue_(), commentsBefore_(), features_(Features::all()),
- collectComments_() {}
+Reader::Reader() : features_(Features::all()) {}
-Reader::Reader(const Features& features)
- : errors_(), document_(), begin_(), end_(), current_(), lastValueEnd_(),
- lastValue_(), commentsBefore_(), features_(features), collectComments_() {
-}
+Reader::Reader(const Features& features) : features_(features) {}
-bool
-Reader::parse(const std::string& document, Value& root, bool collectComments) {
+bool Reader::parse(const std::string& document, Value& root,
+ bool collectComments) {
document_.assign(document.begin(), document.end());
const char* begin = document_.c_str();
const char* end = begin + document_.length();
return parse(begin, end, root, collectComments);
}
-bool Reader::parse(std::istream& sin, Value& root, bool collectComments) {
- // std::istream_iterator<char> begin(sin);
+bool Reader::parse(std::istream& is, Value& root, bool collectComments) {
+ // std::istream_iterator<char> begin(is);
// std::istream_iterator<char> end;
// Those would allow streamed input from a file, if parse() were a
// template function.
- // Since JSONCPP_STRING is reference-counted, this at least does not
+ // Since String is reference-counted, this at least does not
// create an extra copy.
- JSONCPP_STRING doc;
- std::getline(sin, doc, (char)EOF);
+ String doc;
+ std::getline(is, doc, static_cast<char> EOF);
return parse(doc.data(), doc.data() + doc.size(), root, collectComments);
}
-bool Reader::parse(const char* beginDoc,
- const char* endDoc,
- Value& root,
+bool Reader::parse(const char* beginDoc, const char* endDoc, Value& root,
bool collectComments) {
if (!features_.allowComments_) {
collectComments = false;
@@ -348,8 +353,8 @@ bool Reader::parse(const char* beginDoc,
end_ = endDoc;
collectComments_ = collectComments;
current_ = begin_;
- lastValueEnd_ = 0;
- lastValue_ = 0;
+ lastValueEnd_ = nullptr;
+ lastValue_ = nullptr;
commentsBefore_.clear();
errors_.clear();
while (!nodes_.empty())
@@ -379,9 +384,11 @@ bool Reader::parse(const char* beginDoc,
bool Reader::readValue() {
// readValue() may call itself only if it calls readObject() or ReadArray().
- // These methods execute nodes_.push() just before and nodes_.pop)() just after calling readValue().
- // parse() executes one nodes_.push(), so > instead of >=.
- if (nodes_.size() > stackLimit_g) throwRuntimeError("Exceeded stackLimit in readValue().");
+ // These methods execute nodes_.push() just before and nodes_.pop)() just
+ // after calling readValue(). parse() executes one nodes_.push(), so > instead
+ // of >=.
+ if (nodes_.size() > stackLimit_g)
+ throwRuntimeError("Exceeded stackLimit in readValue().");
Token token;
skipCommentTokens(token);
@@ -407,30 +414,24 @@ bool Reader::readValue() {
case tokenString:
successful = decodeString(token);
break;
- case tokenTrue:
- {
+ case tokenTrue: {
Value v(true);
currentValue().swapPayload(v);
currentValue().setOffsetStart(token.start_ - begin_);
currentValue().setOffsetLimit(token.end_ - begin_);
- }
- break;
- case tokenFalse:
- {
+ } break;
+ case tokenFalse: {
Value v(false);
currentValue().swapPayload(v);
currentValue().setOffsetStart(token.start_ - begin_);
currentValue().setOffsetLimit(token.end_ - begin_);
- }
- break;
- case tokenNull:
- {
+ } break;
+ case tokenNull: {
Value v;
currentValue().swapPayload(v);
currentValue().setOffsetStart(token.start_ - begin_);
currentValue().setOffsetLimit(token.end_ - begin_);
- }
- break;
+ } break;
case tokenArraySeparator:
case tokenObjectEnd:
case tokenArrayEnd:
@@ -536,7 +537,7 @@ bool Reader::readToken(Token& token) {
if (!ok)
token.type_ = tokenError;
token.end_ = current_;
- return true;
+ return ok;
}
void Reader::skipSpaces() {
@@ -549,7 +550,7 @@ void Reader::skipSpaces() {
}
}
-bool Reader::match(Location pattern, int patternLength) {
+bool Reader::match(const Char* pattern, int patternLength) {
if (end_ - current_ < patternLength)
return false;
int index = patternLength;
@@ -583,16 +584,16 @@ bool Reader::readComment() {
return true;
}
-JSONCPP_STRING Reader::normalizeEOL(Reader::Location begin, Reader::Location end) {
- JSONCPP_STRING normalized;
+String Reader::normalizeEOL(Reader::Location begin, Reader::Location end) {
+ String normalized;
normalized.reserve(static_cast<size_t>(end - begin));
Reader::Location current = begin;
while (current != end) {
char c = *current++;
if (c == '\r') {
if (current != end && *current == '\n')
- // convert dos EOL
- ++current;
+ // convert dos EOL
+ ++current;
// convert Mac EOL
normalized += '\n';
} else {
@@ -602,12 +603,12 @@ JSONCPP_STRING Reader::normalizeEOL(Reader::Location begin, Reader::Location end
return normalized;
}
-void
-Reader::addComment(Location begin, Location end, CommentPlacement placement) {
+void Reader::addComment(Location begin, Location end,
+ CommentPlacement placement) {
assert(collectComments_);
- const JSONCPP_STRING& normalized = normalizeEOL(begin, end);
+ const String& normalized = normalizeEOL(begin, end);
if (placement == commentAfterOnSameLine) {
- assert(lastValue_ != 0);
+ assert(lastValue_ != nullptr);
lastValue_->setComment(normalized, placement);
} else {
commentsBefore_ += normalized;
@@ -640,7 +641,7 @@ bool Reader::readCppStyleComment() {
}
void Reader::readNumber() {
- const char *p = current_;
+ Location p = current_;
char c = '0'; // stopgap for already consumed character
// integral part
while (c >= '0' && c <= '9')
@@ -673,12 +674,12 @@ bool Reader::readString() {
return c == '"';
}
-bool Reader::readObject(Token& tokenStart) {
+bool Reader::readObject(Token& token) {
Token tokenName;
- JSONCPP_STRING name;
+ String name;
Value init(objectValue);
currentValue().swapPayload(init);
- currentValue().setOffsetStart(tokenStart.start_ - begin_);
+ currentValue().setOffsetStart(token.start_ - begin_);
while (readToken(tokenName)) {
bool initialTokenOk = true;
while (tokenName.type_ == tokenComment && initialTokenOk)
@@ -695,15 +696,15 @@ bool Reader::readObject(Token& tokenStart) {
Value numberName;
if (!decodeNumber(tokenName, numberName))
return recoverFromError(tokenObjectEnd);
- name = JSONCPP_STRING(numberName.asCString());
+ name = numberName.asString();
} else {
break;
}
Token colon;
if (!readToken(colon) || colon.type_ != tokenMemberSeparator) {
- return addErrorAndRecover(
- "Missing ':' after object member name", colon, tokenObjectEnd);
+ return addErrorAndRecover("Missing ':' after object member name", colon,
+ tokenObjectEnd);
}
Value& value = currentValue()[name];
nodes_.push(&value);
@@ -716,8 +717,8 @@ bool Reader::readObject(Token& tokenStart) {
if (!readToken(comma) ||
(comma.type_ != tokenObjectEnd && comma.type_ != tokenArraySeparator &&
comma.type_ != tokenComment)) {
- return addErrorAndRecover(
- "Missing ',' or '}' in object declaration", comma, tokenObjectEnd);
+ return addErrorAndRecover("Missing ',' or '}' in object declaration",
+ comma, tokenObjectEnd);
}
bool finalizeTokenOk = true;
while (comma.type_ == tokenComment && finalizeTokenOk)
@@ -725,14 +726,14 @@ bool Reader::readObject(Token& tokenStart) {
if (comma.type_ == tokenObjectEnd)
return true;
}
- return addErrorAndRecover(
- "Missing '}' or object member name", tokenName, tokenObjectEnd);
+ return addErrorAndRecover("Missing '}' or object member name", tokenName,
+ tokenObjectEnd);
}
-bool Reader::readArray(Token& tokenStart) {
+bool Reader::readArray(Token& token) {
Value init(arrayValue);
currentValue().swapPayload(init);
- currentValue().setOffsetStart(tokenStart.start_ - begin_);
+ currentValue().setOffsetStart(token.start_ - begin_);
skipSpaces();
if (current_ != end_ && *current_ == ']') // empty array
{
@@ -749,19 +750,19 @@ bool Reader::readArray(Token& tokenStart) {
if (!ok) // error already set
return recoverFromError(tokenArrayEnd);
- Token token;
+ Token currentToken;
// Accept Comment after last item in the array.
- ok = readToken(token);
- while (token.type_ == tokenComment && ok) {
- ok = readToken(token);
+ ok = readToken(currentToken);
+ while (currentToken.type_ == tokenComment && ok) {
+ ok = readToken(currentToken);
}
- bool badTokenType =
- (token.type_ != tokenArraySeparator && token.type_ != tokenArrayEnd);
+ bool badTokenType = (currentToken.type_ != tokenArraySeparator &&
+ currentToken.type_ != tokenArrayEnd);
if (!ok || badTokenType) {
- return addErrorAndRecover(
- "Missing ',' or ']' in array declaration", token, tokenArrayEnd);
+ return addErrorAndRecover("Missing ',' or ']' in array declaration",
+ currentToken, tokenArrayEnd);
}
- if (token.type_ == tokenArrayEnd)
+ if (currentToken.type_ == tokenArrayEnd)
break;
}
return true;
@@ -785,7 +786,8 @@ bool Reader::decodeNumber(Token& token, Value& decoded) {
bool isNegative = *current == '-';
if (isNegative)
++current;
- // TODO: Help the compiler do the div and mod at compile time or get rid of them.
+ // TODO: Help the compiler do the div and mod at compile time or get rid of
+ // them.
Value::LargestUInt maxIntegerValue =
isNegative ? Value::LargestUInt(Value::maxLargestInt) + 1
: Value::maxLargestUInt;
@@ -795,7 +797,7 @@ bool Reader::decodeNumber(Token& token, Value& decoded) {
Char c = *current++;
if (c < '0' || c > '9')
return decodeDouble(token, decoded);
- Value::UInt digit(static_cast<Value::UInt>(c - '0'));
+ auto digit(static_cast<Value::UInt>(c - '0'));
if (value >= threshold) {
// We've hit or exceeded the max value divided by 10 (rounded down). If
// a) we've only just touched the limit, b) this is the last digit, and
@@ -831,18 +833,17 @@ bool Reader::decodeDouble(Token& token) {
bool Reader::decodeDouble(Token& token, Value& decoded) {
double value = 0;
- JSONCPP_STRING buffer(token.start_, token.end_);
- JSONCPP_ISTRINGSTREAM is(buffer);
+ String buffer(token.start_, token.end_);
+ IStringStream is(buffer);
if (!(is >> value))
- return addError("'" + JSONCPP_STRING(token.start_, token.end_) +
- "' is not a number.",
- token);
+ return addError(
+ "'" + String(token.start_, token.end_) + "' is not a number.", token);
decoded = value;
return true;
}
bool Reader::decodeString(Token& token) {
- JSONCPP_STRING decoded_string;
+ String decoded_string;
if (!decodeString(token, decoded_string))
return false;
Value decoded(decoded_string);
@@ -852,7 +853,7 @@ bool Reader::decodeString(Token& token) {
return true;
}
-bool Reader::decodeString(Token& token, JSONCPP_STRING& decoded) {
+bool Reader::decodeString(Token& token, String& decoded) {
decoded.reserve(static_cast<size_t>(token.end_ - token.start_ - 2));
Location current = token.start_ + 1; // skip '"'
Location end = token.end_ - 1; // do not include '"'
@@ -860,7 +861,7 @@ bool Reader::decodeString(Token& token, JSONCPP_STRING& decoded) {
Char c = *current++;
if (c == '"')
break;
- else if (c == '\\') {
+ if (c == '\\') {
if (current == end)
return addError("Empty escape sequence in string", token, current);
Char escape = *current++;
@@ -905,10 +906,8 @@ bool Reader::decodeString(Token& token, JSONCPP_STRING& decoded) {
return true;
}
-bool Reader::decodeUnicodeCodePoint(Token& token,
- Location& current,
- Location end,
- unsigned int& unicode) {
+bool Reader::decodeUnicodeCodePoint(Token& token, Location& current,
+ Location end, unsigned int& unicode) {
if (!decodeUnicodeEscapeSequence(token, current, end, unicode))
return false;
@@ -917,10 +916,9 @@ bool Reader::decodeUnicodeCodePoint(Token& token,
if (end - current < 6)
return addError(
"additional six characters expected to parse unicode surrogate pair.",
- token,
- current);
- unsigned int surrogatePair;
+ token, current);
if (*(current++) == '\\' && *(current++) == 'u') {
+ unsigned int surrogatePair;
if (decodeUnicodeEscapeSequence(token, current, end, surrogatePair)) {
unicode = 0x10000 + ((unicode & 0x3FF) << 10) + (surrogatePair & 0x3FF);
} else
@@ -928,20 +926,17 @@ bool Reader::decodeUnicodeCodePoint(Token& token,
} else
return addError("expecting another \\u token to begin the second half of "
"a unicode surrogate pair",
- token,
- current);
+ token, current);
}
return true;
}
-bool Reader::decodeUnicodeEscapeSequence(Token& token,
- Location& current,
+bool Reader::decodeUnicodeEscapeSequence(Token& token, Location& current,
Location end,
unsigned int& ret_unicode) {
if (end - current < 4)
return addError(
- "Bad unicode escape sequence in string: four digits expected.",
- token,
+ "Bad unicode escape sequence in string: four digits expected.", token,
current);
int unicode = 0;
for (int index = 0; index < 4; ++index) {
@@ -956,15 +951,13 @@ bool Reader::decodeUnicodeEscapeSequence(Token& token,
else
return addError(
"Bad unicode escape sequence in string: hexadecimal digit expected.",
- token,
- current);
+ token, current);
}
ret_unicode = static_cast<unsigned int>(unicode);
return true;
}
-bool
-Reader::addError(const JSONCPP_STRING& message, Token& token, Location extra) {
+bool Reader::addError(const String& message, Token& token, Location extra) {
ErrorInfo info;
info.token_ = token;
info.message_ = message;
@@ -986,8 +979,7 @@ bool Reader::recoverFromError(TokenType skipUntilToken) {
return false;
}
-bool Reader::addErrorAndRecover(const JSONCPP_STRING& message,
- Token& token,
+bool Reader::addErrorAndRecover(const String& message, Token& token,
TokenType skipUntilToken) {
addError(message, token);
return recoverFromError(skipUntilToken);
@@ -1001,8 +993,7 @@ Reader::Char Reader::getNextChar() {
return *current_++;
}
-void Reader::getLocationLineAndColumn(Location location,
- int& line,
+void Reader::getLocationLineAndColumn(Location location, int& line,
int& column) const {
Location current = begin_;
Location lastLineStart = current;
@@ -1024,25 +1015,22 @@ void Reader::getLocationLineAndColumn(Location location,
++line;
}
-JSONCPP_STRING Reader::getLocationLineAndColumn(Location location) const {
+String Reader::getLocationLineAndColumn(Location location) const {
int line, column;
getLocationLineAndColumn(location, line, column);
char buffer[18 + 16 + 16 + 1];
- snprintf(buffer, sizeof(buffer), "Line %d, Column %d", line, column);
+ jsoncpp_snprintf(buffer, sizeof(buffer), "Line %d, Column %d", line, column);
return buffer;
}
// Deprecated. Preserved for backward compatibility
-JSONCPP_STRING Reader::getFormatedErrorMessages() const {
+String Reader::getFormatedErrorMessages() const {
return getFormattedErrorMessages();
}
-JSONCPP_STRING Reader::getFormattedErrorMessages() const {
- JSONCPP_STRING formattedMessage;
- for (Errors::const_iterator itError = errors_.begin();
- itError != errors_.end();
- ++itError) {
- const ErrorInfo& error = *itError;
+String Reader::getFormattedErrorMessages() const {
+ String formattedMessage;
+ for (const auto& error : errors_) {
formattedMessage +=
"* " + getLocationLineAndColumn(error.token_.start_) + "\n";
formattedMessage += " " + error.message_ + "\n";
@@ -1055,10 +1043,7 @@ JSONCPP_STRING Reader::getFormattedErrorMessages() const {
std::vector<Reader::StructuredError> Reader::getStructuredErrors() const {
std::vector<Reader::StructuredError> allErrors;
- for (Errors::const_iterator itError = errors_.begin();
- itError != errors_.end();
- ++itError) {
- const ErrorInfo& error = *itError;
+ for (const auto& error : errors_) {
Reader::StructuredError structured;
structured.offset_start = error.token_.start_ - begin_;
structured.offset_limit = error.token_.end_ - begin_;
@@ -1068,28 +1053,27 @@ std::vector<Reader::StructuredError> Reader::getStructuredErrors() const {
return allErrors;
}
-bool Reader::pushError(const Value& value, const JSONCPP_STRING& message) {
+bool Reader::pushError(const Value& value, const String& message) {
ptrdiff_t const length = end_ - begin_;
- if(value.getOffsetStart() > length
- || value.getOffsetLimit() > length)
+ if (value.getOffsetStart() > length || value.getOffsetLimit() > length)
return false;
Token token;
token.type_ = tokenError;
token.start_ = begin_ + value.getOffsetStart();
- token.end_ = end_ + value.getOffsetLimit();
+ token.end_ = begin_ + value.getOffsetLimit();
ErrorInfo info;
info.token_ = token;
info.message_ = message;
- info.extra_ = 0;
+ info.extra_ = nullptr;
errors_.push_back(info);
return true;
}
-bool Reader::pushError(const Value& value, const JSONCPP_STRING& message, const Value& extra) {
+bool Reader::pushError(const Value& value, const String& message,
+ const Value& extra) {
ptrdiff_t const length = end_ - begin_;
- if(value.getOffsetStart() > length
- || value.getOffsetLimit() > length
- || extra.getOffsetLimit() > length)
+ if (value.getOffsetStart() > length || value.getOffsetLimit() > length ||
+ extra.getOffsetLimit() > length)
return false;
Token token;
token.type_ = tokenError;
@@ -1103,15 +1087,15 @@ bool Reader::pushError(const Value& value, const JSONCPP_STRING& message, const
return true;
}
-bool Reader::good() const {
- return !errors_.size();
-}
+bool Reader::good() const { return errors_.empty(); }
-// exact copy of Features
+// Originally copied from the Features class (now deprecated), used internally
+// for features implementation.
class OurFeatures {
public:
static OurFeatures all();
bool allowComments_;
+ bool allowTrailingCommas_;
bool strictRoot_;
bool allowDroppedNullPlaceholders_;
bool allowNumericKeys_;
@@ -1119,42 +1103,36 @@ public:
bool failIfExtra_;
bool rejectDupKeys_;
bool allowSpecialFloats_;
- int stackLimit_;
-}; // OurFeatures
+ bool skipBom_;
+ size_t stackLimit_;
+}; // OurFeatures
-// exact copy of Implementation of class Features
-// ////////////////////////////////
-
-OurFeatures OurFeatures::all() { return OurFeatures(); }
+OurFeatures OurFeatures::all() { return {}; }
// Implementation of class Reader
// ////////////////////////////////
-// exact copy of Reader, renamed to OurReader
+// Originally copied from the Reader class (now deprecated), used internally
+// for implementing JSON reading.
class OurReader {
public:
- typedef char Char;
- typedef const Char* Location;
+ using Char = char;
+ using Location = const Char*;
struct StructuredError {
ptrdiff_t offset_start;
ptrdiff_t offset_limit;
- JSONCPP_STRING message;
+ String message;
};
- OurReader(OurFeatures const& features);
- bool parse(const char* beginDoc,
- const char* endDoc,
- Value& root,
+ explicit OurReader(OurFeatures const& features);
+ bool parse(const char* beginDoc, const char* endDoc, Value& root,
bool collectComments = true);
- JSONCPP_STRING getFormattedErrorMessages() const;
+ String getFormattedErrorMessages() const;
std::vector<StructuredError> getStructuredErrors() const;
- bool pushError(const Value& value, const JSONCPP_STRING& message);
- bool pushError(const Value& value, const JSONCPP_STRING& message, const Value& extra);
- bool good() const;
private:
- OurReader(OurReader const&); // no impl
- void operator=(OurReader const&); // no impl
+ OurReader(OurReader const&); // no impl
+ void operator=(OurReader const&); // no impl
enum TokenType {
tokenEndOfStream = 0,
@@ -1186,17 +1164,18 @@ private:
class ErrorInfo {
public:
Token token_;
- JSONCPP_STRING message_;
+ String message_;
Location extra_;
};
- typedef std::deque<ErrorInfo> Errors;
+ using Errors = std::deque<ErrorInfo>;
bool readToken(Token& token);
void skipSpaces();
- bool match(Location pattern, int patternLength);
+ void skipBom(bool skipBom);
+ bool match(const Char* pattern, int patternLength);
bool readComment();
- bool readCStyleComment();
+ bool readCStyleComment(bool* containsNewLineResult);
bool readCppStyleComment();
bool readString();
bool readStringSingleQuote();
@@ -1207,68 +1186,57 @@ private:
bool decodeNumber(Token& token);
bool decodeNumber(Token& token, Value& decoded);
bool decodeString(Token& token);
- bool decodeString(Token& token, JSONCPP_STRING& decoded);
+ bool decodeString(Token& token, String& decoded);
bool decodeDouble(Token& token);
bool decodeDouble(Token& token, Value& decoded);
- bool decodeUnicodeCodePoint(Token& token,
- Location& current,
- Location end,
+ bool decodeUnicodeCodePoint(Token& token, Location& current, Location end,
unsigned int& unicode);
- bool decodeUnicodeEscapeSequence(Token& token,
- Location& current,
- Location end,
- unsigned int& unicode);
- bool addError(const JSONCPP_STRING& message, Token& token, Location extra = 0);
+ bool decodeUnicodeEscapeSequence(Token& token, Location& current,
+ Location end, unsigned int& unicode);
+ bool addError(const String& message, Token& token, Location extra = nullptr);
bool recoverFromError(TokenType skipUntilToken);
- bool addErrorAndRecover(const JSONCPP_STRING& message,
- Token& token,
+ bool addErrorAndRecover(const String& message, Token& token,
TokenType skipUntilToken);
void skipUntilSpace();
Value& currentValue();
Char getNextChar();
- void
- getLocationLineAndColumn(Location location, int& line, int& column) const;
- JSONCPP_STRING getLocationLineAndColumn(Location location) const;
+ void getLocationLineAndColumn(Location location, int& line,
+ int& column) const;
+ String getLocationLineAndColumn(Location location) const;
void addComment(Location begin, Location end, CommentPlacement placement);
void skipCommentTokens(Token& token);
- static JSONCPP_STRING normalizeEOL(Location begin, Location end);
+ static String normalizeEOL(Location begin, Location end);
static bool containsNewLine(Location begin, Location end);
- typedef std::stack<Value*> Nodes;
- Nodes nodes_;
- Errors errors_;
- JSONCPP_STRING document_;
- Location begin_;
- Location end_;
- Location current_;
- Location lastValueEnd_;
- Value* lastValue_;
- JSONCPP_STRING commentsBefore_;
+ using Nodes = std::stack<Value*>;
+
+ Nodes nodes_{};
+ Errors errors_{};
+ String document_{};
+ Location begin_ = nullptr;
+ Location end_ = nullptr;
+ Location current_ = nullptr;
+ Location lastValueEnd_ = nullptr;
+ Value* lastValue_ = nullptr;
+ bool lastValueHasAComment_ = false;
+ String commentsBefore_{};
OurFeatures const features_;
- bool collectComments_;
-}; // OurReader
+ bool collectComments_ = false;
+}; // OurReader
// complete copy of Read impl, for OurReader
-bool OurReader::containsNewLine(OurReader::Location begin, OurReader::Location end) {
- for (; begin < end; ++begin)
- if (*begin == '\n' || *begin == '\r')
- return true;
- return false;
+bool OurReader::containsNewLine(OurReader::Location begin,
+ OurReader::Location end) {
+ return std::any_of(begin, end, [](char b) { return b == '\n' || b == '\r'; });
}
-OurReader::OurReader(OurFeatures const& features)
- : errors_(), document_(), begin_(), end_(), current_(), lastValueEnd_(),
- lastValue_(), commentsBefore_(),
- features_(features), collectComments_() {
-}
+OurReader::OurReader(OurFeatures const& features) : features_(features) {}
-bool OurReader::parse(const char* beginDoc,
- const char* endDoc,
- Value& root,
- bool collectComments) {
+bool OurReader::parse(const char* beginDoc, const char* endDoc, Value& root,
+ bool collectComments) {
if (!features_.allowComments_) {
collectComments = false;
}
@@ -1277,22 +1245,23 @@ bool OurReader::parse(const char* beginDoc,
end_ = endDoc;
collectComments_ = collectComments;
current_ = begin_;
- lastValueEnd_ = 0;
- lastValue_ = 0;
+ lastValueEnd_ = nullptr;
+ lastValue_ = nullptr;
commentsBefore_.clear();
errors_.clear();
while (!nodes_.empty())
nodes_.pop();
nodes_.push(&root);
+ // skip byte order mark if it exists at the beginning of the UTF-8 text.
+ skipBom(features_.skipBom_);
bool successful = readValue();
+ nodes_.pop();
Token token;
skipCommentTokens(token);
- if (features_.failIfExtra_) {
- if ((features_.strictRoot_ || token.type_ != tokenError) && token.type_ != tokenEndOfStream) {
- addError("Extra non-whitespace after JSON value.", token);
- return false;
- }
+ if (features_.failIfExtra_ && (token.type_ != tokenEndOfStream)) {
+ addError("Extra non-whitespace after JSON value.", token);
+ return false;
}
if (collectComments_ && !commentsBefore_.empty())
root.setComment(commentsBefore_, commentAfter);
@@ -1314,7 +1283,8 @@ bool OurReader::parse(const char* beginDoc,
bool OurReader::readValue() {
// To preserve the old behaviour we cast size_t to int.
- if (static_cast<int>(nodes_.size()) > features_.stackLimit_) throwRuntimeError("Exceeded stackLimit in readValue().");
+ if (nodes_.size() > features_.stackLimit_)
+ throwRuntimeError("Exceeded stackLimit in readValue().");
Token token;
skipCommentTokens(token);
bool successful = true;
@@ -1339,54 +1309,42 @@ bool OurReader::readValue() {
case tokenString:
successful = decodeString(token);
break;
- case tokenTrue:
- {
+ case tokenTrue: {
Value v(true);
currentValue().swapPayload(v);
currentValue().setOffsetStart(token.start_ - begin_);
currentValue().setOffsetLimit(token.end_ - begin_);
- }
- break;
- case tokenFalse:
- {
+ } break;
+ case tokenFalse: {
Value v(false);
currentValue().swapPayload(v);
currentValue().setOffsetStart(token.start_ - begin_);
currentValue().setOffsetLimit(token.end_ - begin_);
- }
- break;
- case tokenNull:
- {
+ } break;
+ case tokenNull: {
Value v;
currentValue().swapPayload(v);
currentValue().setOffsetStart(token.start_ - begin_);
currentValue().setOffsetLimit(token.end_ - begin_);
- }
- break;
- case tokenNaN:
- {
+ } break;
+ case tokenNaN: {
Value v(std::numeric_limits<double>::quiet_NaN());
currentValue().swapPayload(v);
currentValue().setOffsetStart(token.start_ - begin_);
currentValue().setOffsetLimit(token.end_ - begin_);
- }
- break;
- case tokenPosInf:
- {
+ } break;
+ case tokenPosInf: {
Value v(std::numeric_limits<double>::infinity());
currentValue().swapPayload(v);
currentValue().setOffsetStart(token.start_ - begin_);
currentValue().setOffsetLimit(token.end_ - begin_);
- }
- break;
- case tokenNegInf:
- {
+ } break;
+ case tokenNegInf: {
Value v(-std::numeric_limits<double>::infinity());
currentValue().swapPayload(v);
currentValue().setOffsetStart(token.start_ - begin_);
currentValue().setOffsetLimit(token.end_ - begin_);
- }
- break;
+ } break;
case tokenArraySeparator:
case tokenObjectEnd:
case tokenArrayEnd:
@@ -1408,6 +1366,7 @@ bool OurReader::readValue() {
if (collectComments_) {
lastValueEnd_ = current_;
+ lastValueHasAComment_ = false;
lastValue_ = &currentValue();
}
@@ -1448,10 +1407,13 @@ bool OurReader::readToken(Token& token) {
break;
case '\'':
if (features_.allowSingleQuotes_) {
- token.type_ = tokenString;
- ok = readStringSingleQuote();
+ token.type_ = tokenString;
+ ok = readStringSingleQuote();
+ } else {
+ // If we don't allow single quotes, this is a failure case.
+ ok = false;
+ }
break;
- } // else fall through
case '/':
token.type_ = tokenComment;
ok = readComment();
@@ -1477,6 +1439,14 @@ bool OurReader::readToken(Token& token) {
ok = features_.allowSpecialFloats_ && match("nfinity", 7);
}
break;
+ case '+':
+ if (readNumber(true)) {
+ token.type_ = tokenNumber;
+ } else {
+ token.type_ = tokenPosInf;
+ ok = features_.allowSpecialFloats_ && match("nfinity", 7);
+ }
+ break;
case 't':
token.type_ = tokenTrue;
ok = match("rue", 3);
@@ -1521,7 +1491,7 @@ bool OurReader::readToken(Token& token) {
if (!ok)
token.type_ = tokenError;
token.end_ = current_;
- return true;
+ return ok;
}
void OurReader::skipSpaces() {
@@ -1534,7 +1504,17 @@ void OurReader::skipSpaces() {
}
}
-bool OurReader::match(Location pattern, int patternLength) {
+void OurReader::skipBom(bool skipBom) {
+ // The default behavior is to skip BOM.
+ if (skipBom) {
+ if ((end_ - begin_) >= 3 && strncmp(begin_, "\xEF\xBB\xBF", 3) == 0) {
+ begin_ += 3;
+ current_ = begin_;
+ }
+ }
+}
+
+bool OurReader::match(const Char* pattern, int patternLength) {
if (end_ - current_ < patternLength)
return false;
int index = patternLength;
@@ -1546,21 +1526,32 @@ bool OurReader::match(Location pattern, int patternLength) {
}
bool OurReader::readComment() {
- Location commentBegin = current_ - 1;
- Char c = getNextChar();
+ const Location commentBegin = current_ - 1;
+ const Char c = getNextChar();
bool successful = false;
- if (c == '*')
- successful = readCStyleComment();
- else if (c == '/')
+ bool cStyleWithEmbeddedNewline = false;
+
+ const bool isCStyleComment = (c == '*');
+ const bool isCppStyleComment = (c == '/');
+ if (isCStyleComment) {
+ successful = readCStyleComment(&cStyleWithEmbeddedNewline);
+ } else if (isCppStyleComment) {
successful = readCppStyleComment();
+ }
+
if (!successful)
return false;
if (collectComments_) {
CommentPlacement placement = commentBefore;
- if (lastValueEnd_ && !containsNewLine(lastValueEnd_, commentBegin)) {
- if (c != '*' || !containsNewLine(commentBegin, current_))
- placement = commentAfterOnSameLine;
+
+ if (!lastValueHasAComment_) {
+ if (lastValueEnd_ && !containsNewLine(lastValueEnd_, commentBegin)) {
+ if (isCppStyleComment || !cStyleWithEmbeddedNewline) {
+ placement = commentAfterOnSameLine;
+ lastValueHasAComment_ = true;
+ }
+ }
}
addComment(commentBegin, current_, placement);
@@ -1568,16 +1559,17 @@ bool OurReader::readComment() {
return true;
}
-JSONCPP_STRING OurReader::normalizeEOL(OurReader::Location begin, OurReader::Location end) {
- JSONCPP_STRING normalized;
+String OurReader::normalizeEOL(OurReader::Location begin,
+ OurReader::Location end) {
+ String normalized;
normalized.reserve(static_cast<size_t>(end - begin));
OurReader::Location current = begin;
while (current != end) {
char c = *current++;
if (c == '\r') {
if (current != end && *current == '\n')
- // convert dos EOL
- ++current;
+ // convert dos EOL
+ ++current;
// convert Mac EOL
normalized += '\n';
} else {
@@ -1587,24 +1579,29 @@ JSONCPP_STRING OurReader::normalizeEOL(OurReader::Location begin, OurReader::Loc
return normalized;
}
-void
-OurReader::addComment(Location begin, Location end, CommentPlacement placement) {
+void OurReader::addComment(Location begin, Location end,
+ CommentPlacement placement) {
assert(collectComments_);
- const JSONCPP_STRING& normalized = normalizeEOL(begin, end);
+ const String& normalized = normalizeEOL(begin, end);
if (placement == commentAfterOnSameLine) {
- assert(lastValue_ != 0);
+ assert(lastValue_ != nullptr);
lastValue_->setComment(normalized, placement);
} else {
commentsBefore_ += normalized;
}
}
-bool OurReader::readCStyleComment() {
+bool OurReader::readCStyleComment(bool* containsNewLineResult) {
+ *containsNewLineResult = false;
+
while ((current_ + 1) < end_) {
Char c = getNextChar();
if (c == '*' && *current_ == '/')
break;
+ if (c == '\n')
+ *containsNewLineResult = true;
}
+
return getNextChar() == '/';
}
@@ -1625,7 +1622,7 @@ bool OurReader::readCppStyleComment() {
}
bool OurReader::readNumber(bool checkInf) {
- const char *p = current_;
+ Location p = current_;
if (checkInf && p != end_ && *p == 'I') {
current_ = ++p;
return false;
@@ -1662,7 +1659,6 @@ bool OurReader::readString() {
return c == '"';
}
-
bool OurReader::readStringSingleQuote() {
Char c = 0;
while (current_ != end_) {
@@ -1675,19 +1671,21 @@ bool OurReader::readStringSingleQuote() {
return c == '\'';
}
-bool OurReader::readObject(Token& tokenStart) {
+bool OurReader::readObject(Token& token) {
Token tokenName;
- JSONCPP_STRING name;
+ String name;
Value init(objectValue);
currentValue().swapPayload(init);
- currentValue().setOffsetStart(tokenStart.start_ - begin_);
+ currentValue().setOffsetStart(token.start_ - begin_);
while (readToken(tokenName)) {
bool initialTokenOk = true;
while (tokenName.type_ == tokenComment && initialTokenOk)
initialTokenOk = readToken(tokenName);
if (!initialTokenOk)
break;
- if (tokenName.type_ == tokenObjectEnd && name.empty()) // empty object
+ if (tokenName.type_ == tokenObjectEnd &&
+ (name.empty() ||
+ features_.allowTrailingCommas_)) // empty object or trailing comma
return true;
name.clear();
if (tokenName.type_ == tokenString) {
@@ -1701,17 +1699,17 @@ bool OurReader::readObject(Token& tokenStart) {
} else {
break;
}
+ if (name.length() >= (1U << 30))
+ throwRuntimeError("keylength >= 2^30");
+ if (features_.rejectDupKeys_ && currentValue().isMember(name)) {
+ String msg = "Duplicate key: '" + name + "'";
+ return addErrorAndRecover(msg, tokenName, tokenObjectEnd);
+ }
Token colon;
if (!readToken(colon) || colon.type_ != tokenMemberSeparator) {
- return addErrorAndRecover(
- "Missing ':' after object member name", colon, tokenObjectEnd);
- }
- if (name.length() >= (1U<<30)) throwRuntimeError("keylength >= 2^30");
- if (features_.rejectDupKeys_ && currentValue().isMember(name)) {
- JSONCPP_STRING msg = "Duplicate key: '" + name + "'";
- return addErrorAndRecover(
- msg, tokenName, tokenObjectEnd);
+ return addErrorAndRecover("Missing ':' after object member name", colon,
+ tokenObjectEnd);
}
Value& value = currentValue()[name];
nodes_.push(&value);
@@ -1724,8 +1722,8 @@ bool OurReader::readObject(Token& tokenStart) {
if (!readToken(comma) ||
(comma.type_ != tokenObjectEnd && comma.type_ != tokenArraySeparator &&
comma.type_ != tokenComment)) {
- return addErrorAndRecover(
- "Missing ',' or '}' in object declaration", comma, tokenObjectEnd);
+ return addErrorAndRecover("Missing ',' or '}' in object declaration",
+ comma, tokenObjectEnd);
}
bool finalizeTokenOk = true;
while (comma.type_ == tokenComment && finalizeTokenOk)
@@ -1733,23 +1731,27 @@ bool OurReader::readObject(Token& tokenStart) {
if (comma.type_ == tokenObjectEnd)
return true;
}
- return addErrorAndRecover(
- "Missing '}' or object member name", tokenName, tokenObjectEnd);
+ return addErrorAndRecover("Missing '}' or object member name", tokenName,
+ tokenObjectEnd);
}
-bool OurReader::readArray(Token& tokenStart) {
+bool OurReader::readArray(Token& token) {
Value init(arrayValue);
currentValue().swapPayload(init);
- currentValue().setOffsetStart(tokenStart.start_ - begin_);
- skipSpaces();
- if (current_ != end_ && *current_ == ']') // empty array
- {
- Token endArray;
- readToken(endArray);
- return true;
- }
+ currentValue().setOffsetStart(token.start_ - begin_);
int index = 0;
for (;;) {
+ skipSpaces();
+ if (current_ != end_ && *current_ == ']' &&
+ (index == 0 ||
+ (features_.allowTrailingCommas_ &&
+ !features_.allowDroppedNullPlaceholders_))) // empty array or trailing
+ // comma
+ {
+ Token endArray;
+ readToken(endArray);
+ return true;
+ }
Value& value = currentValue()[index++];
nodes_.push(&value);
bool ok = readValue();
@@ -1757,19 +1759,19 @@ bool OurReader::readArray(Token& tokenStart) {
if (!ok) // error already set
return recoverFromError(tokenArrayEnd);
- Token token;
+ Token currentToken;
// Accept Comment after last item in the array.
- ok = readToken(token);
- while (token.type_ == tokenComment && ok) {
- ok = readToken(token);
+ ok = readToken(currentToken);
+ while (currentToken.type_ == tokenComment && ok) {
+ ok = readToken(currentToken);
}
- bool badTokenType =
- (token.type_ != tokenArraySeparator && token.type_ != tokenArrayEnd);
+ bool badTokenType = (currentToken.type_ != tokenArraySeparator &&
+ currentToken.type_ != tokenArrayEnd);
if (!ok || badTokenType) {
- return addErrorAndRecover(
- "Missing ',' or ']' in array declaration", token, tokenArrayEnd);
+ return addErrorAndRecover("Missing ',' or ']' in array declaration",
+ currentToken, tokenArrayEnd);
}
- if (token.type_ == tokenArrayEnd)
+ if (currentToken.type_ == tokenArrayEnd)
break;
}
return true;
@@ -1790,38 +1792,78 @@ bool OurReader::decodeNumber(Token& token, Value& decoded) {
// larger than the maximum supported value of an integer then
// we decode the number as a double.
Location current = token.start_;
- bool isNegative = *current == '-';
- if (isNegative)
+ const bool isNegative = *current == '-';
+ if (isNegative) {
++current;
- // TODO: Help the compiler do the div and mod at compile time or get rid of them.
- Value::LargestUInt maxIntegerValue =
- isNegative ? Value::LargestUInt(-Value::minLargestInt)
- : Value::maxLargestUInt;
- Value::LargestUInt threshold = maxIntegerValue / 10;
+ }
+
+ // We assume we can represent the largest and smallest integer types as
+ // unsigned integers with separate sign. This is only true if they can fit
+ // into an unsigned integer.
+ static_assert(Value::maxLargestInt <= Value::maxLargestUInt,
+ "Int must be smaller than UInt");
+
+ // We need to convert minLargestInt into a positive number. The easiest way
+ // to do this conversion is to assume our "threshold" value of minLargestInt
+ // divided by 10 can fit in maxLargestInt when absolute valued. This should
+ // be a safe assumption.
+ static_assert(Value::minLargestInt <= -Value::maxLargestInt,
+ "The absolute value of minLargestInt must be greater than or "
+ "equal to maxLargestInt");
+ static_assert(Value::minLargestInt / 10 >= -Value::maxLargestInt,
+ "The absolute value of minLargestInt must be only 1 magnitude "
+ "larger than maxLargest Int");
+
+ static constexpr Value::LargestUInt positive_threshold =
+ Value::maxLargestUInt / 10;
+ static constexpr Value::UInt positive_last_digit = Value::maxLargestUInt % 10;
+
+ // For the negative values, we have to be more careful. Since typically
+ // -Value::minLargestInt will cause an overflow, we first divide by 10 and
+ // then take the inverse. This assumes that minLargestInt is only a single
+ // power of 10 different in magnitude, which we check above. For the last
+ // digit, we take the modulus before negating for the same reason.
+ static constexpr auto negative_threshold =
+ Value::LargestUInt(-(Value::minLargestInt / 10));
+ static constexpr auto negative_last_digit =
+ Value::UInt(-(Value::minLargestInt % 10));
+
+ const Value::LargestUInt threshold =
+ isNegative ? negative_threshold : positive_threshold;
+ const Value::UInt max_last_digit =
+ isNegative ? negative_last_digit : positive_last_digit;
+
Value::LargestUInt value = 0;
while (current < token.end_) {
Char c = *current++;
if (c < '0' || c > '9')
return decodeDouble(token, decoded);
- Value::UInt digit(static_cast<Value::UInt>(c - '0'));
+
+ const auto digit(static_cast<Value::UInt>(c - '0'));
if (value >= threshold) {
// We've hit or exceeded the max value divided by 10 (rounded down). If
- // a) we've only just touched the limit, b) this is the last digit, and
+ // a) we've only just touched the limit, meaing value == threshold,
+ // b) this is the last digit, or
// c) it's small enough to fit in that rounding delta, we're okay.
// Otherwise treat this number as a double to avoid overflow.
if (value > threshold || current != token.end_ ||
- digit > maxIntegerValue % 10) {
+ digit > max_last_digit) {
return decodeDouble(token, decoded);
}
}
value = value * 10 + digit;
}
- if (isNegative)
- decoded = -Value::LargestInt(value);
- else if (value <= Value::LargestUInt(Value::maxInt))
+
+ if (isNegative) {
+ // We use the same magnitude assumption here, just in case.
+ const auto last_digit = static_cast<Value::UInt>(value % 10);
+ decoded = -Value::LargestInt(value / 10) * 10 - last_digit;
+ } else if (value <= Value::LargestUInt(Value::maxLargestInt)) {
decoded = Value::LargestInt(value);
- else
+ } else {
decoded = value;
+ }
+
return true;
}
@@ -1837,44 +1879,18 @@ bool OurReader::decodeDouble(Token& token) {
bool OurReader::decodeDouble(Token& token, Value& decoded) {
double value = 0;
- const int bufferSize = 32;
- int count;
- ptrdiff_t const length = token.end_ - token.start_;
-
- // Sanity check to avoid buffer overflow exploits.
- if (length < 0) {
- return addError("Unable to parse token length", token);
- }
- size_t const ulength = static_cast<size_t>(length);
-
- // Avoid using a string constant for the format control string given to
- // sscanf, as this can cause hard to debug crashes on OS X. See here for more
- // info:
- //
- // http://developer.apple.com/library/mac/#DOCUMENTATION/DeveloperTools/gcc-4.0.1/gcc/Incompatibilities.html
- char format[] = "%lf";
-
- if (length <= bufferSize) {
- Char buffer[bufferSize + 1];
- memcpy(buffer, token.start_, ulength);
- buffer[length] = 0;
- fixNumericLocaleInput(buffer, buffer + length);
- count = sscanf(buffer, format, &value);
- } else {
- JSONCPP_STRING buffer(token.start_, token.end_);
- count = sscanf(buffer.c_str(), format, &value);
+ const String buffer(token.start_, token.end_);
+ IStringStream is(buffer);
+ if (!(is >> value)) {
+ return addError(
+ "'" + String(token.start_, token.end_) + "' is not a number.", token);
}
-
- if (count != 1)
- return addError("'" + JSONCPP_STRING(token.start_, token.end_) +
- "' is not a number.",
- token);
decoded = value;
return true;
}
bool OurReader::decodeString(Token& token) {
- JSONCPP_STRING decoded_string;
+ String decoded_string;
if (!decodeString(token, decoded_string))
return false;
Value decoded(decoded_string);
@@ -1884,7 +1900,7 @@ bool OurReader::decodeString(Token& token) {
return true;
}
-bool OurReader::decodeString(Token& token, JSONCPP_STRING& decoded) {
+bool OurReader::decodeString(Token& token, String& decoded) {
decoded.reserve(static_cast<size_t>(token.end_ - token.start_ - 2));
Location current = token.start_ + 1; // skip '"'
Location end = token.end_ - 1; // do not include '"'
@@ -1892,7 +1908,7 @@ bool OurReader::decodeString(Token& token, JSONCPP_STRING& decoded) {
Char c = *current++;
if (c == '"')
break;
- else if (c == '\\') {
+ if (c == '\\') {
if (current == end)
return addError("Empty escape sequence in string", token, current);
Char escape = *current++;
@@ -1937,10 +1953,8 @@ bool OurReader::decodeString(Token& token, JSONCPP_STRING& decoded) {
return true;
}
-bool OurReader::decodeUnicodeCodePoint(Token& token,
- Location& current,
- Location end,
- unsigned int& unicode) {
+bool OurReader::decodeUnicodeCodePoint(Token& token, Location& current,
+ Location end, unsigned int& unicode) {
if (!decodeUnicodeEscapeSequence(token, current, end, unicode))
return false;
@@ -1949,10 +1963,9 @@ bool OurReader::decodeUnicodeCodePoint(Token& token,
if (end - current < 6)
return addError(
"additional six characters expected to parse unicode surrogate pair.",
- token,
- current);
- unsigned int surrogatePair;
+ token, current);
if (*(current++) == '\\' && *(current++) == 'u') {
+ unsigned int surrogatePair;
if (decodeUnicodeEscapeSequence(token, current, end, surrogatePair)) {
unicode = 0x10000 + ((unicode & 0x3FF) << 10) + (surrogatePair & 0x3FF);
} else
@@ -1960,20 +1973,17 @@ bool OurReader::decodeUnicodeCodePoint(Token& token,
} else
return addError("expecting another \\u token to begin the second half of "
"a unicode surrogate pair",
- token,
- current);
+ token, current);
}
return true;
}
-bool OurReader::decodeUnicodeEscapeSequence(Token& token,
- Location& current,
- Location end,
- unsigned int& ret_unicode) {
+bool OurReader::decodeUnicodeEscapeSequence(Token& token, Location& current,
+ Location end,
+ unsigned int& ret_unicode) {
if (end - current < 4)
return addError(
- "Bad unicode escape sequence in string: four digits expected.",
- token,
+ "Bad unicode escape sequence in string: four digits expected.", token,
current);
int unicode = 0;
for (int index = 0; index < 4; ++index) {
@@ -1988,15 +1998,13 @@ bool OurReader::decodeUnicodeEscapeSequence(Token& token,
else
return addError(
"Bad unicode escape sequence in string: hexadecimal digit expected.",
- token,
- current);
+ token, current);
}
ret_unicode = static_cast<unsigned int>(unicode);
return true;
}
-bool
-OurReader::addError(const JSONCPP_STRING& message, Token& token, Location extra) {
+bool OurReader::addError(const String& message, Token& token, Location extra) {
ErrorInfo info;
info.token_ = token;
info.message_ = message;
@@ -2018,9 +2026,8 @@ bool OurReader::recoverFromError(TokenType skipUntilToken) {
return false;
}
-bool OurReader::addErrorAndRecover(const JSONCPP_STRING& message,
- Token& token,
- TokenType skipUntilToken) {
+bool OurReader::addErrorAndRecover(const String& message, Token& token,
+ TokenType skipUntilToken) {
addError(message, token);
return recoverFromError(skipUntilToken);
}
@@ -2033,9 +2040,8 @@ OurReader::Char OurReader::getNextChar() {
return *current_++;
}
-void OurReader::getLocationLineAndColumn(Location location,
- int& line,
- int& column) const {
+void OurReader::getLocationLineAndColumn(Location location, int& line,
+ int& column) const {
Location current = begin_;
Location lastLineStart = current;
line = 0;
@@ -2056,20 +2062,17 @@ void OurReader::getLocationLineAndColumn(Location location,
++line;
}
-JSONCPP_STRING OurReader::getLocationLineAndColumn(Location location) const {
+String OurReader::getLocationLineAndColumn(Location location) const {
int line, column;
getLocationLineAndColumn(location, line, column);
char buffer[18 + 16 + 16 + 1];
- snprintf(buffer, sizeof(buffer), "Line %d, Column %d", line, column);
+ jsoncpp_snprintf(buffer, sizeof(buffer), "Line %d, Column %d", line, column);
return buffer;
}
-JSONCPP_STRING OurReader::getFormattedErrorMessages() const {
- JSONCPP_STRING formattedMessage;
- for (Errors::const_iterator itError = errors_.begin();
- itError != errors_.end();
- ++itError) {
- const ErrorInfo& error = *itError;
+String OurReader::getFormattedErrorMessages() const {
+ String formattedMessage;
+ for (const auto& error : errors_) {
formattedMessage +=
"* " + getLocationLineAndColumn(error.token_.start_) + "\n";
formattedMessage += " " + error.message_ + "\n";
@@ -2082,10 +2085,7 @@ JSONCPP_STRING OurReader::getFormattedErrorMessages() const {
std::vector<OurReader::StructuredError> OurReader::getStructuredErrors() const {
std::vector<OurReader::StructuredError> allErrors;
- for (Errors::const_iterator itError = errors_.begin();
- itError != errors_.end();
- ++itError) {
- const ErrorInfo& error = *itError;
+ for (const auto& error : errors_) {
OurReader::StructuredError structured;
structured.offset_start = error.token_.start_ - begin_;
structured.offset_limit = error.token_.end_ - begin_;
@@ -2095,59 +2095,15 @@ std::vector<OurReader::StructuredError> OurReader::getStructuredErrors() const {
return allErrors;
}
-bool OurReader::pushError(const Value& value, const JSONCPP_STRING& message) {
- ptrdiff_t length = end_ - begin_;
- if(value.getOffsetStart() > length
- || value.getOffsetLimit() > length)
- return false;
- Token token;
- token.type_ = tokenError;
- token.start_ = begin_ + value.getOffsetStart();
- token.end_ = end_ + value.getOffsetLimit();
- ErrorInfo info;
- info.token_ = token;
- info.message_ = message;
- info.extra_ = 0;
- errors_.push_back(info);
- return true;
-}
-
-bool OurReader::pushError(const Value& value, const JSONCPP_STRING& message, const Value& extra) {
- ptrdiff_t length = end_ - begin_;
- if(value.getOffsetStart() > length
- || value.getOffsetLimit() > length
- || extra.getOffsetLimit() > length)
- return false;
- Token token;
- token.type_ = tokenError;
- token.start_ = begin_ + value.getOffsetStart();
- token.end_ = begin_ + value.getOffsetLimit();
- ErrorInfo info;
- info.token_ = token;
- info.message_ = message;
- info.extra_ = begin_ + extra.getOffsetStart();
- errors_.push_back(info);
- return true;
-}
-
-bool OurReader::good() const {
- return !errors_.size();
-}
-
-
class OurCharReader : public CharReader {
bool const collectComments_;
OurReader reader_;
+
public:
- OurCharReader(
- bool collectComments,
- OurFeatures const& features)
- : collectComments_(collectComments)
- , reader_(features)
- {}
- bool parse(
- char const* beginDoc, char const* endDoc,
- Value* root, JSONCPP_STRING* errs) JSONCPP_OVERRIDE {
+ OurCharReader(bool collectComments, OurFeatures const& features)
+ : collectComments_(collectComments), reader_(features) {}
+ bool parse(char const* beginDoc, char const* endDoc, Value* root,
+ String* errs) override {
bool ok = reader_.parse(beginDoc, endDoc, *root, collectComments_);
if (errs) {
*errs = reader_.getFormattedErrorMessages();
@@ -2156,67 +2112,64 @@ public:
}
};
-CharReaderBuilder::CharReaderBuilder()
-{
- setDefaults(&settings_);
-}
-CharReaderBuilder::~CharReaderBuilder()
-{}
-CharReader* CharReaderBuilder::newCharReader() const
-{
+CharReaderBuilder::CharReaderBuilder() { setDefaults(&settings_); }
+CharReaderBuilder::~CharReaderBuilder() = default;
+CharReader* CharReaderBuilder::newCharReader() const {
bool collectComments = settings_["collectComments"].asBool();
OurFeatures features = OurFeatures::all();
features.allowComments_ = settings_["allowComments"].asBool();
+ features.allowTrailingCommas_ = settings_["allowTrailingCommas"].asBool();
features.strictRoot_ = settings_["strictRoot"].asBool();
- features.allowDroppedNullPlaceholders_ = settings_["allowDroppedNullPlaceholders"].asBool();
+ features.allowDroppedNullPlaceholders_ =
+ settings_["allowDroppedNullPlaceholders"].asBool();
features.allowNumericKeys_ = settings_["allowNumericKeys"].asBool();
features.allowSingleQuotes_ = settings_["allowSingleQuotes"].asBool();
- features.stackLimit_ = settings_["stackLimit"].asInt();
+
+ // Stack limit is always a size_t, so we get this as an unsigned int
+ // regardless of it we have 64-bit integer support enabled.
+ features.stackLimit_ = static_cast<size_t>(settings_["stackLimit"].asUInt());
features.failIfExtra_ = settings_["failIfExtra"].asBool();
features.rejectDupKeys_ = settings_["rejectDupKeys"].asBool();
features.allowSpecialFloats_ = settings_["allowSpecialFloats"].asBool();
+ features.skipBom_ = settings_["skipBom"].asBool();
return new OurCharReader(collectComments, features);
}
-static void getValidReaderKeys(std::set<JSONCPP_STRING>* valid_keys)
-{
- valid_keys->clear();
- valid_keys->insert("collectComments");
- valid_keys->insert("allowComments");
- valid_keys->insert("strictRoot");
- valid_keys->insert("allowDroppedNullPlaceholders");
- valid_keys->insert("allowNumericKeys");
- valid_keys->insert("allowSingleQuotes");
- valid_keys->insert("stackLimit");
- valid_keys->insert("failIfExtra");
- valid_keys->insert("rejectDupKeys");
- valid_keys->insert("allowSpecialFloats");
-}
-bool CharReaderBuilder::validate(Json::Value* invalid) const
-{
- Json::Value my_invalid;
- if (!invalid) invalid = &my_invalid; // so we do not need to test for NULL
- Json::Value& inv = *invalid;
- std::set<JSONCPP_STRING> valid_keys;
- getValidReaderKeys(&valid_keys);
- Value::Members keys = settings_.getMemberNames();
- size_t n = keys.size();
- for (size_t i = 0; i < n; ++i) {
- JSONCPP_STRING const& key = keys[i];
- if (valid_keys.find(key) == valid_keys.end()) {
- inv[key] = settings_[key];
- }
+
+bool CharReaderBuilder::validate(Json::Value* invalid) const {
+ static const auto& valid_keys = *new std::set<String>{
+ "collectComments",
+ "allowComments",
+ "allowTrailingCommas",
+ "strictRoot",
+ "allowDroppedNullPlaceholders",
+ "allowNumericKeys",
+ "allowSingleQuotes",
+ "stackLimit",
+ "failIfExtra",
+ "rejectDupKeys",
+ "allowSpecialFloats",
+ "skipBom",
+ };
+ for (auto si = settings_.begin(); si != settings_.end(); ++si) {
+ auto key = si.name();
+ if (valid_keys.count(key))
+ continue;
+ if (invalid)
+ (*invalid)[std::move(key)] = *si;
+ else
+ return false;
}
- return 0u == inv.size();
+ return invalid ? invalid->empty() : true;
}
-Value& CharReaderBuilder::operator[](JSONCPP_STRING key)
-{
+
+Value& CharReaderBuilder::operator[](const String& key) {
return settings_[key];
}
// static
-void CharReaderBuilder::strictMode(Json::Value* settings)
-{
-//! [CharReaderBuilderStrictMode]
+void CharReaderBuilder::strictMode(Json::Value* settings) {
+ //! [CharReaderBuilderStrictMode]
(*settings)["allowComments"] = false;
+ (*settings)["allowTrailingCommas"] = false;
(*settings)["strictRoot"] = true;
(*settings)["allowDroppedNullPlaceholders"] = false;
(*settings)["allowNumericKeys"] = false;
@@ -2225,14 +2178,15 @@ void CharReaderBuilder::strictMode(Json::Value* settings)
(*settings)["failIfExtra"] = true;
(*settings)["rejectDupKeys"] = true;
(*settings)["allowSpecialFloats"] = false;
-//! [CharReaderBuilderStrictMode]
+ (*settings)["skipBom"] = true;
+ //! [CharReaderBuilderStrictMode]
}
// static
-void CharReaderBuilder::setDefaults(Json::Value* settings)
-{
-//! [CharReaderBuilderDefaults]
+void CharReaderBuilder::setDefaults(Json::Value* settings) {
+ //! [CharReaderBuilderDefaults]
(*settings)["collectComments"] = true;
(*settings)["allowComments"] = true;
+ (*settings)["allowTrailingCommas"] = true;
(*settings)["strictRoot"] = false;
(*settings)["allowDroppedNullPlaceholders"] = false;
(*settings)["allowNumericKeys"] = false;
@@ -2241,19 +2195,18 @@ void CharReaderBuilder::setDefaults(Json::Value* settings)
(*settings)["failIfExtra"] = false;
(*settings)["rejectDupKeys"] = false;
(*settings)["allowSpecialFloats"] = false;
-//! [CharReaderBuilderDefaults]
+ (*settings)["skipBom"] = true;
+ //! [CharReaderBuilderDefaults]
}
//////////////////////////////////
// global functions
-bool parseFromStream(
- CharReader::Factory const& fact, JSONCPP_ISTREAM& sin,
- Value* root, JSONCPP_STRING* errs)
-{
- JSONCPP_OSTRINGSTREAM ssin;
+bool parseFromStream(CharReader::Factory const& fact, IStream& sin, Value* root,
+ String* errs) {
+ OStringStream ssin;
ssin << sin.rdbuf();
- JSONCPP_STRING doc = ssin.str();
+ String doc = ssin.str();
char const* begin = doc.data();
char const* end = begin + doc.size();
// Note that we do not actually need a null-terminator.
@@ -2261,9 +2214,9 @@ bool parseFromStream(
return reader->parse(begin, end, root, errs);
}
-JSONCPP_ISTREAM& operator>>(JSONCPP_ISTREAM& sin, Value& root) {
+IStream& operator>>(IStream& sin, Value& root) {
CharReaderBuilder b;
- JSONCPP_STRING errs;
+ String errs;
bool ok = parseFromStream(b, sin, &root, &errs);
if (!ok) {
throwRuntimeError(errs);
@@ -2303,31 +2256,21 @@ namespace Json {
// //////////////////////////////////////////////////////////////////
// //////////////////////////////////////////////////////////////////
-ValueIteratorBase::ValueIteratorBase()
- : current_(), isNull_(true) {
-}
+ValueIteratorBase::ValueIteratorBase() : current_() {}
ValueIteratorBase::ValueIteratorBase(
const Value::ObjectValues::iterator& current)
: current_(current), isNull_(false) {}
-Value& ValueIteratorBase::deref() const {
- return current_->second;
-}
+Value& ValueIteratorBase::deref() { return current_->second; }
+const Value& ValueIteratorBase::deref() const { return current_->second; }
-void ValueIteratorBase::increment() {
- ++current_;
-}
+void ValueIteratorBase::increment() { ++current_; }
-void ValueIteratorBase::decrement() {
- --current_;
-}
+void ValueIteratorBase::decrement() { --current_; }
ValueIteratorBase::difference_type
ValueIteratorBase::computeDistance(const SelfType& other) const {
-#ifdef JSON_USE_CPPTL_SMALLMAP
- return other.current_ - current_;
-#else
// Iterator for null value are initialized using the default
// constructor, which initialize current_ to the default
// std::map::iterator. As begin() and end() are two instance
@@ -2348,7 +2291,6 @@ ValueIteratorBase::computeDistance(const SelfType& other) const {
++myDistance;
}
return myDistance;
-#endif
}
bool ValueIteratorBase::isEqual(const SelfType& other) const {
@@ -2380,12 +2322,13 @@ UInt ValueIteratorBase::index() const {
return Value::UInt(-1);
}
-JSONCPP_STRING ValueIteratorBase::name() const {
+String ValueIteratorBase::name() const {
char const* keey;
char const* end;
keey = memberName(&end);
- if (!keey) return JSONCPP_STRING();
- return JSONCPP_STRING(keey, end);
+ if (!keey)
+ return String();
+ return String(keey, end);
}
char const* ValueIteratorBase::memberName() const {
@@ -2396,8 +2339,8 @@ char const* ValueIteratorBase::memberName() const {
char const* ValueIteratorBase::memberName(char const** end) const {
const char* cname = (*current_).first.data();
if (!cname) {
- *end = NULL;
- return NULL;
+ *end = nullptr;
+ return nullptr;
}
*end = cname + (*current_).first.length();
return cname;
@@ -2411,7 +2354,7 @@ char const* ValueIteratorBase::memberName(char const** end) const {
// //////////////////////////////////////////////////////////////////
// //////////////////////////////////////////////////////////////////
-ValueConstIterator::ValueConstIterator() {}
+ValueConstIterator::ValueConstIterator() = default;
ValueConstIterator::ValueConstIterator(
const Value::ObjectValues::iterator& current)
@@ -2434,7 +2377,7 @@ operator=(const ValueIteratorBase& other) {
// //////////////////////////////////////////////////////////////////
// //////////////////////////////////////////////////////////////////
-ValueIterator::ValueIterator() {}
+ValueIterator::ValueIterator() = default;
ValueIterator::ValueIterator(const Value::ObjectValues::iterator& current)
: ValueIteratorBase(current) {}
@@ -2444,8 +2387,7 @@ ValueIterator::ValueIterator(const ValueConstIterator& other)
throwRuntimeError("ConstIterator to Iterator should never be allowed.");
}
-ValueIterator::ValueIterator(const ValueIterator& other)
- : ValueIteratorBase(other) {}
+ValueIterator::ValueIterator(const ValueIterator& other) = default;
ValueIterator& ValueIterator::operator=(const SelfType& other) {
copy(other);
@@ -2477,20 +2419,54 @@ ValueIterator& ValueIterator::operator=(const SelfType& other) {
#include <json/value.h>
#include <json/writer.h>
#endif // if !defined(JSON_IS_AMALGAMATION)
-#include <math.h>
+#include <algorithm>
+#include <cassert>
+#include <cmath>
+#include <cstddef>
+#include <cstring>
+#include <iostream>
#include <sstream>
#include <utility>
-#include <cstring>
-#include <cassert>
-#ifdef JSON_USE_CPPTL
-#include <cpptl/conststring.h>
+
+// Provide implementation equivalent of std::snprintf for older _MSC compilers
+#if defined(_MSC_VER) && _MSC_VER < 1900
+#include <stdarg.h>
+static int msvc_pre1900_c99_vsnprintf(char* outBuf, size_t size,
+ const char* format, va_list ap) {
+ int count = -1;
+ if (size != 0)
+ count = _vsnprintf_s(outBuf, size, _TRUNCATE, format, ap);
+ if (count == -1)
+ count = _vscprintf(format, ap);
+ return count;
+}
+
+int JSON_API msvc_pre1900_c99_snprintf(char* outBuf, size_t size,
+ const char* format, ...) {
+ va_list ap;
+ va_start(ap, format);
+ const int count = msvc_pre1900_c99_vsnprintf(outBuf, size, format, ap);
+ va_end(ap);
+ return count;
+}
+#endif
+
+// Disable warning C4702 : unreachable code
+#if defined(_MSC_VER)
+#pragma warning(disable : 4702)
#endif
-#include <cstddef> // size_t
-#include <algorithm> // min()
#define JSON_ASSERT_UNREACHABLE assert(false)
namespace Json {
+template <typename T>
+static std::unique_ptr<T> cloneUnique(const std::unique_ptr<T>& p) {
+ std::unique_ptr<T> r;
+ if (p) {
+ r = std::unique_ptr<T>(new T(*p));
+ }
+ return r;
+}
// This is a walkaround to avoid the static initialization of Value::null.
// kNull must be word-aligned to avoid crashing on ARM. We use an alignment of
@@ -2500,50 +2476,34 @@ namespace Json {
#else
#define ALIGNAS(byte_alignment)
#endif
-//static const unsigned char ALIGNAS(8) kNull[sizeof(Value)] = { 0 };
-//const unsigned char& kNullRef = kNull[0];
-//const Value& Value::null = reinterpret_cast<const Value&>(kNullRef);
-//const Value& Value::nullRef = null;
// static
-Value const& Value::nullSingleton()
-{
- static Value const nullStatic;
- return nullStatic;
+Value const& Value::nullSingleton() {
+ static Value const nullStatic;
+ return nullStatic;
}
-// for backwards compatibility, we'll leave these global references around, but DO NOT
-// use them in JSONCPP library code any more!
+#if JSON_USE_NULLREF
+// for backwards compatibility, we'll leave these global references around, but
+// DO NOT use them in JSONCPP library code any more!
+// static
Value const& Value::null = Value::nullSingleton();
-Value const& Value::nullRef = Value::nullSingleton();
-const Int Value::minInt = Int(~(UInt(-1) / 2));
-const Int Value::maxInt = Int(UInt(-1) / 2);
-const UInt Value::maxUInt = UInt(-1);
-#if defined(JSON_HAS_INT64)
-const Int64 Value::minInt64 = Int64(~(UInt64(-1) / 2));
-const Int64 Value::maxInt64 = Int64(UInt64(-1) / 2);
-const UInt64 Value::maxUInt64 = UInt64(-1);
-// The constant is hard-coded because some compiler have trouble
-// converting Value::maxUInt64 to a double correctly (AIX/xlC).
-// Assumes that UInt64 is a 64 bits integer.
-static const double maxUInt64AsDouble = 18446744073709551615.0;
-#endif // defined(JSON_HAS_INT64)
-const LargestInt Value::minLargestInt = LargestInt(~(LargestUInt(-1) / 2));
-const LargestInt Value::maxLargestInt = LargestInt(LargestUInt(-1) / 2);
-const LargestUInt Value::maxLargestUInt = LargestUInt(-1);
+// static
+Value const& Value::nullRef = Value::nullSingleton();
+#endif
#if !defined(JSON_USE_INT64_DOUBLE_CONVERSION)
template <typename T, typename U>
static inline bool InRange(double d, T min, U max) {
// The casts can lose precision, but we are looking only for
// an approximate range. Might fail on edge cases though. ~cdunn
- //return d >= static_cast<double>(min) && d <= static_cast<double>(max);
- return d >= min && d <= max;
+ return d >= static_cast<double>(min) && d <= static_cast<double>(max);
}
#else // if !defined(JSON_USE_INT64_DOUBLE_CONVERSION)
static inline double integerToDouble(Json::UInt64 value) {
- return static_cast<double>(Int64(value / 2)) * 2.0 + static_cast<double>(Int64(value & 1));
+ return static_cast<double>(Int64(value / 2)) * 2.0 +
+ static_cast<double>(Int64(value & 1));
}
template <typename T> static inline double integerToDouble(T value) {
@@ -2563,19 +2523,16 @@ static inline bool InRange(double d, T min, U max) {
* computed using strlen(value).
* @return Pointer on the duplicate instance of string.
*/
-static inline char* duplicateStringValue(const char* value,
- size_t length)
-{
+static inline char* duplicateStringValue(const char* value, size_t length) {
// Avoid an integer overflow in the call to malloc below by limiting length
// to a sane value.
if (length >= static_cast<size_t>(Value::maxInt))
length = Value::maxInt - 1;
- char* newString = static_cast<char*>(malloc(length + 1));
- if (newString == NULL) {
- throwRuntimeError(
- "in Json::Value::duplicateStringValue(): "
- "Failed to allocate string value buffer");
+ auto newString = static_cast<char*>(malloc(length + 1));
+ if (newString == nullptr) {
+ throwRuntimeError("in Json::Value::duplicateStringValue(): "
+ "Failed to allocate string value buffer");
}
memcpy(newString, value, length);
newString[length] = 0;
@@ -2584,31 +2541,28 @@ static inline char* duplicateStringValue(const char* value,
/* Record the length as a prefix.
*/
-static inline char* duplicateAndPrefixStringValue(
- const char* value,
- unsigned int length)
-{
+static inline char* duplicateAndPrefixStringValue(const char* value,
+ unsigned int length) {
// Avoid an integer overflow in the call to malloc below by limiting length
// to a sane value.
- JSON_ASSERT_MESSAGE(length <= static_cast<unsigned>(Value::maxInt) - sizeof(unsigned) - 1U,
+ JSON_ASSERT_MESSAGE(length <= static_cast<unsigned>(Value::maxInt) -
+ sizeof(unsigned) - 1U,
"in Json::Value::duplicateAndPrefixStringValue(): "
"length too big for prefixing");
- unsigned actualLength = length + static_cast<unsigned>(sizeof(unsigned)) + 1U;
- char* newString = static_cast<char*>(malloc(actualLength));
- if (newString == 0) {
- throwRuntimeError(
- "in Json::Value::duplicateAndPrefixStringValue(): "
- "Failed to allocate string value buffer");
+ size_t actualLength = sizeof(length) + length + 1;
+ auto newString = static_cast<char*>(malloc(actualLength));
+ if (newString == nullptr) {
+ throwRuntimeError("in Json::Value::duplicateAndPrefixStringValue(): "
+ "Failed to allocate string value buffer");
}
*reinterpret_cast<unsigned*>(newString) = length;
memcpy(newString + sizeof(unsigned), value, length);
- newString[actualLength - 1U] = 0; // to avoid buffer over-run accidents by users later
+ newString[actualLength - 1U] =
+ 0; // to avoid buffer over-run accidents by users later
return newString;
}
-inline static void decodePrefixedString(
- bool isPrefixed, char const* prefixed,
- unsigned* length, char const** value)
-{
+inline static void decodePrefixedString(bool isPrefixed, char const* prefixed,
+ unsigned* length, char const** value) {
if (!isPrefixed) {
*length = static_cast<unsigned>(strlen(prefixed));
*value = prefixed;
@@ -2617,7 +2571,8 @@ inline static void decodePrefixedString(
*value = prefixed + sizeof(unsigned);
}
}
-/** Free the string duplicated by duplicateStringValue()/duplicateAndPrefixStringValue().
+/** Free the string duplicated by
+ * duplicateStringValue()/duplicateAndPrefixStringValue().
*/
#if JSONCPP_USING_SECURE_MEMORY
static inline void releasePrefixedStringValue(char* value) {
@@ -2630,17 +2585,13 @@ static inline void releasePrefixedStringValue(char* value) {
}
static inline void releaseStringValue(char* value, unsigned length) {
// length==0 => we allocated the strings memory
- size_t size = (length==0) ? strlen(value) : length;
+ size_t size = (length == 0) ? strlen(value) : length;
memset(value, 0, size);
free(value);
}
-#else // !JSONCPP_USING_SECURE_MEMORY
-static inline void releasePrefixedStringValue(char* value) {
- free(value);
-}
-static inline void releaseStringValue(char* value, unsigned) {
- free(value);
-}
+#else // !JSONCPP_USING_SECURE_MEMORY
+static inline void releasePrefixedStringValue(char* value) { free(value); }
+static inline void releaseStringValue(char* value, unsigned) { free(value); }
#endif // JSONCPP_USING_SECURE_MEMORY
} // namespace Json
@@ -2659,58 +2610,28 @@ static inline void releaseStringValue(char* value, unsigned) {
namespace Json {
-Exception::Exception(JSONCPP_STRING const& msg)
- : msg_(msg)
-{}
-Exception::~Exception() JSONCPP_NOEXCEPT
-{}
-char const* Exception::what() const JSONCPP_NOEXCEPT
-{
- return msg_.c_str();
-}
-RuntimeError::RuntimeError(JSONCPP_STRING const& msg)
- : Exception(msg)
-{}
-LogicError::LogicError(JSONCPP_STRING const& msg)
- : Exception(msg)
-{}
-JSONCPP_NORETURN void throwRuntimeError(JSONCPP_STRING const& msg)
-{
+#if JSON_USE_EXCEPTION
+Exception::Exception(String msg) : msg_(std::move(msg)) {}
+Exception::~Exception() noexcept = default;
+char const* Exception::what() const noexcept { return msg_.c_str(); }
+RuntimeError::RuntimeError(String const& msg) : Exception(msg) {}
+LogicError::LogicError(String const& msg) : Exception(msg) {}
+JSONCPP_NORETURN void throwRuntimeError(String const& msg) {
throw RuntimeError(msg);
}
-JSONCPP_NORETURN void throwLogicError(JSONCPP_STRING const& msg)
-{
+JSONCPP_NORETURN void throwLogicError(String const& msg) {
throw LogicError(msg);
}
-
-// //////////////////////////////////////////////////////////////////
-// //////////////////////////////////////////////////////////////////
-// //////////////////////////////////////////////////////////////////
-// class Value::CommentInfo
-// //////////////////////////////////////////////////////////////////
-// //////////////////////////////////////////////////////////////////
-// //////////////////////////////////////////////////////////////////
-
-Value::CommentInfo::CommentInfo() : comment_(0)
-{}
-
-Value::CommentInfo::~CommentInfo() {
- if (comment_)
- releaseStringValue(comment_, 0u);
+#else // !JSON_USE_EXCEPTION
+JSONCPP_NORETURN void throwRuntimeError(String const& msg) {
+ std::cerr << msg << std::endl;
+ abort();
}
-
-void Value::CommentInfo::setComment(const char* text, size_t len) {
- if (comment_) {
- releaseStringValue(comment_, 0u);
- comment_ = 0;
- }
- JSON_ASSERT(text != 0);
- JSON_ASSERT_MESSAGE(
- text[0] == '\0' || text[0] == '/',
- "in Json::Value::setComment(): Comments must start with /");
- // It seems that /**/ style comments are acceptable as well.
- comment_ = duplicateStringValue(text, len);
+JSONCPP_NORETURN void throwLogicError(String const& msg) {
+ std::cerr << msg << std::endl;
+ abort();
}
+#endif
// //////////////////////////////////////////////////////////////////
// //////////////////////////////////////////////////////////////////
@@ -2723,36 +2644,44 @@ void Value::CommentInfo::setComment(const char* text, size_t len) {
// Notes: policy_ indicates if the string was allocated when
// a string is stored.
-Value::CZString::CZString(ArrayIndex aindex) : cstr_(0), index_(aindex) {}
+Value::CZString::CZString(ArrayIndex index) : cstr_(nullptr), index_(index) {}
-Value::CZString::CZString(char const* str, unsigned ulength, DuplicationPolicy allocate)
+Value::CZString::CZString(char const* str, unsigned length,
+ DuplicationPolicy allocate)
: cstr_(str) {
// allocate != duplicate
storage_.policy_ = allocate & 0x3;
- storage_.length_ = ulength & 0x3FFFFFFF;
+ storage_.length_ = length & 0x3FFFFFFF;
}
Value::CZString::CZString(const CZString& other) {
- cstr_ = (other.storage_.policy_ != noDuplication && other.cstr_ != 0
- ? duplicateStringValue(other.cstr_, other.storage_.length_)
- : other.cstr_);
- storage_.policy_ = static_cast<unsigned>(other.cstr_
- ? (static_cast<DuplicationPolicy>(other.storage_.policy_) == noDuplication
- ? noDuplication : duplicate)
- : static_cast<DuplicationPolicy>(other.storage_.policy_)) & 3U;
+ cstr_ = (other.storage_.policy_ != noDuplication && other.cstr_ != nullptr
+ ? duplicateStringValue(other.cstr_, other.storage_.length_)
+ : other.cstr_);
+ storage_.policy_ =
+ static_cast<unsigned>(
+ other.cstr_
+ ? (static_cast<DuplicationPolicy>(other.storage_.policy_) ==
+ noDuplication
+ ? noDuplication
+ : duplicate)
+ : static_cast<DuplicationPolicy>(other.storage_.policy_)) &
+ 3U;
storage_.length_ = other.storage_.length_;
}
-#if JSON_HAS_RVALUE_REFERENCES
Value::CZString::CZString(CZString&& other)
- : cstr_(other.cstr_), index_(other.index_) {
+ : cstr_(other.cstr_), index_(other.index_) {
other.cstr_ = nullptr;
}
-#endif
Value::CZString::~CZString() {
if (cstr_ && storage_.policy_ == duplicate) {
- releaseStringValue(const_cast<char*>(cstr_), storage_.length_ + 1u); //+1 for null terminating character for sake of completeness but not actually necessary
+ releaseStringValue(const_cast<char*>(cstr_),
+ storage_.length_ + 1U); // +1 for null terminating
+ // character for sake of
+ // completeness but not actually
+ // necessary
}
}
@@ -2767,36 +2696,39 @@ Value::CZString& Value::CZString::operator=(const CZString& other) {
return *this;
}
-#if JSON_HAS_RVALUE_REFERENCES
Value::CZString& Value::CZString::operator=(CZString&& other) {
cstr_ = other.cstr_;
index_ = other.index_;
other.cstr_ = nullptr;
return *this;
}
-#endif
bool Value::CZString::operator<(const CZString& other) const {
- if (!cstr_) return index_ < other.index_;
- //return strcmp(cstr_, other.cstr_) < 0;
+ if (!cstr_)
+ return index_ < other.index_;
+ // return strcmp(cstr_, other.cstr_) < 0;
// Assume both are strings.
unsigned this_len = this->storage_.length_;
unsigned other_len = other.storage_.length_;
unsigned min_len = std::min<unsigned>(this_len, other_len);
JSON_ASSERT(this->cstr_ && other.cstr_);
int comp = memcmp(this->cstr_, other.cstr_, min_len);
- if (comp < 0) return true;
- if (comp > 0) return false;
+ if (comp < 0)
+ return true;
+ if (comp > 0)
+ return false;
return (this_len < other_len);
}
bool Value::CZString::operator==(const CZString& other) const {
- if (!cstr_) return index_ == other.index_;
- //return strcmp(cstr_, other.cstr_) == 0;
+ if (!cstr_)
+ return index_ == other.index_;
+ // return strcmp(cstr_, other.cstr_) == 0;
// Assume both are strings.
unsigned this_len = this->storage_.length_;
unsigned other_len = other.storage_.length_;
- if (this_len != other_len) return false;
+ if (this_len != other_len)
+ return false;
JSON_ASSERT(this->cstr_ && other.cstr_);
int comp = memcmp(this->cstr_, other.cstr_, this_len);
return comp == 0;
@@ -2804,10 +2736,12 @@ bool Value::CZString::operator==(const CZString& other) const {
ArrayIndex Value::CZString::index() const { return index_; }
-//const char* Value::CZString::c_str() const { return cstr_; }
+// const char* Value::CZString::c_str() const { return cstr_; }
const char* Value::CZString::data() const { return cstr_; }
unsigned Value::CZString::length() const { return storage_.length_; }
-bool Value::CZString::isStaticString() const { return storage_.policy_ == noDuplication; }
+bool Value::CZString::isStaticString() const {
+ return storage_.policy_ == noDuplication;
+}
// //////////////////////////////////////////////////////////////////
// //////////////////////////////////////////////////////////////////
@@ -2821,10 +2755,10 @@ bool Value::CZString::isStaticString() const { return storage_.policy_ == noDupl
* memset( this, 0, sizeof(Value) )
* This optimization is used in ValueInternalMap fast allocator.
*/
-Value::Value(ValueType vtype) {
+Value::Value(ValueType type) {
static char const emptyString[] = "";
- initBasic(vtype);
- switch (vtype) {
+ initBasic(type);
+ switch (type) {
case nullValue:
break;
case intValue:
@@ -2877,20 +2811,22 @@ Value::Value(double value) {
Value::Value(const char* value) {
initBasic(stringValue, true);
- JSON_ASSERT_MESSAGE(value != NULL, "Null Value Passed to Value Constructor");
- value_.string_ = duplicateAndPrefixStringValue(value, static_cast<unsigned>(strlen(value)));
+ JSON_ASSERT_MESSAGE(value != nullptr,
+ "Null Value Passed to Value Constructor");
+ value_.string_ = duplicateAndPrefixStringValue(
+ value, static_cast<unsigned>(strlen(value)));
}
-Value::Value(const char* beginValue, const char* endValue) {
+Value::Value(const char* begin, const char* end) {
initBasic(stringValue, true);
value_.string_ =
- duplicateAndPrefixStringValue(beginValue, static_cast<unsigned>(endValue - beginValue));
+ duplicateAndPrefixStringValue(begin, static_cast<unsigned>(end - begin));
}
-Value::Value(const JSONCPP_STRING& value) {
+Value::Value(const String& value) {
initBasic(stringValue, true);
- value_.string_ =
- duplicateAndPrefixStringValue(value.data(), static_cast<unsigned>(value.length()));
+ value_.string_ = duplicateAndPrefixStringValue(
+ value.data(), static_cast<unsigned>(value.length()));
}
Value::Value(const StaticString& value) {
@@ -2898,114 +2834,44 @@ Value::Value(const StaticString& value) {
value_.string_ = const_cast<char*>(value.c_str());
}
-#ifdef JSON_USE_CPPTL
-Value::Value(const CppTL::ConstString& value) {
- initBasic(stringValue, true);
- value_.string_ = duplicateAndPrefixStringValue(value, static_cast<unsigned>(value.length()));
-}
-#endif
-
Value::Value(bool value) {
initBasic(booleanValue);
value_.bool_ = value;
}
-Value::Value(Value const& other)
- : type_(other.type_), allocated_(false)
- ,
- comments_(0), start_(other.start_), limit_(other.limit_)
-{
- switch (type_) {
- case nullValue:
- case intValue:
- case uintValue:
- case realValue:
- case booleanValue:
- value_ = other.value_;
- break;
- case stringValue:
- if (other.value_.string_ && other.allocated_) {
- unsigned len;
- char const* str;
- decodePrefixedString(other.allocated_, other.value_.string_,
- &len, &str);
- value_.string_ = duplicateAndPrefixStringValue(str, len);
- allocated_ = true;
- } else {
- value_.string_ = other.value_.string_;
- allocated_ = false;
- }
- break;
- case arrayValue:
- case objectValue:
- value_.map_ = new ObjectValues(*other.value_.map_);
- break;
- default:
- JSON_ASSERT_UNREACHABLE;
- }
- if (other.comments_) {
- comments_ = new CommentInfo[numberOfCommentPlacement];
- for (int comment = 0; comment < numberOfCommentPlacement; ++comment) {
- const CommentInfo& otherComment = other.comments_[comment];
- if (otherComment.comment_)
- comments_[comment].setComment(
- otherComment.comment_, strlen(otherComment.comment_));
- }
- }
+Value::Value(const Value& other) {
+ dupPayload(other);
+ dupMeta(other);
}
-#if JSON_HAS_RVALUE_REFERENCES
-// Move constructor
Value::Value(Value&& other) {
initBasic(nullValue);
swap(other);
}
-#endif
Value::~Value() {
- switch (type_) {
- case nullValue:
- case intValue:
- case uintValue:
- case realValue:
- case booleanValue:
- break;
- case stringValue:
- if (allocated_)
- releasePrefixedStringValue(value_.string_);
- break;
- case arrayValue:
- case objectValue:
- delete value_.map_;
- break;
- default:
- JSON_ASSERT_UNREACHABLE;
- }
-
- delete[] comments_;
-
+ releasePayload();
value_.uint_ = 0;
}
-Value& Value::operator=(Value other) {
- swap(other);
+Value& Value::operator=(const Value& other) {
+ Value(other).swap(*this);
+ return *this;
+}
+
+Value& Value::operator=(Value&& other) {
+ other.swap(*this);
return *this;
}
void Value::swapPayload(Value& other) {
- ValueType temp = type_;
- type_ = other.type_;
- other.type_ = temp;
+ std::swap(bits_, other.bits_);
std::swap(value_, other.value_);
- int temp2 = allocated_;
- allocated_ = other.allocated_;
- other.allocated_ = temp2 & 0x1;
}
void Value::copyPayload(const Value& other) {
- type_ = other.type_;
- value_ = other.value_;
- allocated_ = other.allocated_;
+ releasePayload();
+ dupPayload(other);
}
void Value::swap(Value& other) {
@@ -3017,12 +2883,12 @@ void Value::swap(Value& other) {
void Value::copy(const Value& other) {
copyPayload(other);
- comments_ = other.comments_;
- start_ = other.start_;
- limit_ = other.limit_;
+ dupMeta(other);
}
-ValueType Value::type() const { return type_; }
+ValueType Value::type() const {
+ return static_cast<ValueType>(bits_.value_type_);
+}
int Value::compare(const Value& other) const {
if (*this < other)
@@ -3033,10 +2899,10 @@ int Value::compare(const Value& other) const {
}
bool Value::operator<(const Value& other) const {
- int typeDelta = type_ - other.type_;
+ int typeDelta = type() - other.type();
if (typeDelta)
- return typeDelta < 0 ? true : false;
- switch (type_) {
+ return typeDelta < 0;
+ switch (type()) {
case nullValue:
return false;
case intValue:
@@ -3047,30 +2913,33 @@ bool Value::operator<(const Value& other) const {
return value_.real_ < other.value_.real_;
case booleanValue:
return value_.bool_ < other.value_.bool_;
- case stringValue:
- {
- if ((value_.string_ == 0) || (other.value_.string_ == 0)) {
- if (other.value_.string_) return true;
- else return false;
+ case stringValue: {
+ if ((value_.string_ == nullptr) || (other.value_.string_ == nullptr)) {
+ return other.value_.string_ != nullptr;
}
unsigned this_len;
unsigned other_len;
char const* this_str;
char const* other_str;
- decodePrefixedString(this->allocated_, this->value_.string_, &this_len, &this_str);
- decodePrefixedString(other.allocated_, other.value_.string_, &other_len, &other_str);
+ decodePrefixedString(this->isAllocated(), this->value_.string_, &this_len,
+ &this_str);
+ decodePrefixedString(other.isAllocated(), other.value_.string_, &other_len,
+ &other_str);
unsigned min_len = std::min<unsigned>(this_len, other_len);
JSON_ASSERT(this_str && other_str);
int comp = memcmp(this_str, other_str, min_len);
- if (comp < 0) return true;
- if (comp > 0) return false;
+ if (comp < 0)
+ return true;
+ if (comp > 0)
+ return false;
return (this_len < other_len);
}
case arrayValue:
case objectValue: {
- int delta = int(value_.map_->size() - other.value_.map_->size());
- if (delta)
- return delta < 0;
+ auto thisSize = value_.map_->size();
+ auto otherSize = other.value_.map_->size();
+ if (thisSize != otherSize)
+ return thisSize < otherSize;
return (*value_.map_) < (*other.value_.map_);
}
default:
@@ -3086,14 +2955,9 @@ bool Value::operator>=(const Value& other) const { return !(*this < other); }
bool Value::operator>(const Value& other) const { return other < *this; }
bool Value::operator==(const Value& other) const {
- // if ( type_ != other.type_ )
- // GCC 2.95.3 says:
- // attempt to take address of bit-field structure member `Json::Value::type_'
- // Beats me, but a temp solves the problem.
- int temp = other.type_;
- if (type_ != temp)
+ if (type() != other.type())
return false;
- switch (type_) {
+ switch (type()) {
case nullValue:
return true;
case intValue:
@@ -3104,18 +2968,20 @@ bool Value::operator==(const Value& other) const {
return value_.real_ == other.value_.real_;
case booleanValue:
return value_.bool_ == other.value_.bool_;
- case stringValue:
- {
- if ((value_.string_ == 0) || (other.value_.string_ == 0)) {
+ case stringValue: {
+ if ((value_.string_ == nullptr) || (other.value_.string_ == nullptr)) {
return (value_.string_ == other.value_.string_);
}
unsigned this_len;
unsigned other_len;
char const* this_str;
char const* other_str;
- decodePrefixedString(this->allocated_, this->value_.string_, &this_len, &this_str);
- decodePrefixedString(other.allocated_, other.value_.string_, &other_len, &other_str);
- if (this_len != other_len) return false;
+ decodePrefixedString(this->isAllocated(), this->value_.string_, &this_len,
+ &this_str);
+ decodePrefixedString(other.isAllocated(), other.value_.string_, &other_len,
+ &other_str);
+ if (this_len != other_len)
+ return false;
JSON_ASSERT(this_str && other_str);
int comp = memcmp(this_str, other_str, this_len);
return comp == 0;
@@ -3133,47 +2999,55 @@ bool Value::operator==(const Value& other) const {
bool Value::operator!=(const Value& other) const { return !(*this == other); }
const char* Value::asCString() const {
- JSON_ASSERT_MESSAGE(type_ == stringValue,
+ JSON_ASSERT_MESSAGE(type() == stringValue,
"in Json::Value::asCString(): requires stringValue");
- if (value_.string_ == 0) return 0;
+ if (value_.string_ == nullptr)
+ return nullptr;
unsigned this_len;
char const* this_str;
- decodePrefixedString(this->allocated_, this->value_.string_, &this_len, &this_str);
+ decodePrefixedString(this->isAllocated(), this->value_.string_, &this_len,
+ &this_str);
return this_str;
}
#if JSONCPP_USING_SECURE_MEMORY
unsigned Value::getCStringLength() const {
- JSON_ASSERT_MESSAGE(type_ == stringValue,
- "in Json::Value::asCString(): requires stringValue");
- if (value_.string_ == 0) return 0;
+ JSON_ASSERT_MESSAGE(type() == stringValue,
+ "in Json::Value::asCString(): requires stringValue");
+ if (value_.string_ == 0)
+ return 0;
unsigned this_len;
char const* this_str;
- decodePrefixedString(this->allocated_, this->value_.string_, &this_len, &this_str);
+ decodePrefixedString(this->isAllocated(), this->value_.string_, &this_len,
+ &this_str);
return this_len;
}
#endif
-bool Value::getString(char const** str, char const** cend) const {
- if (type_ != stringValue) return false;
- if (value_.string_ == 0) return false;
+bool Value::getString(char const** begin, char const** end) const {
+ if (type() != stringValue)
+ return false;
+ if (value_.string_ == nullptr)
+ return false;
unsigned length;
- decodePrefixedString(this->allocated_, this->value_.string_, &length, str);
- *cend = *str + length;
+ decodePrefixedString(this->isAllocated(), this->value_.string_, &length,
+ begin);
+ *end = *begin + length;
return true;
}
-JSONCPP_STRING Value::asString() const {
- switch (type_) {
+String Value::asString() const {
+ switch (type()) {
case nullValue:
return "";
- case stringValue:
- {
- if (value_.string_ == 0) return "";
+ case stringValue: {
+ if (value_.string_ == nullptr)
+ return "";
unsigned this_len;
char const* this_str;
- decodePrefixedString(this->allocated_, this->value_.string_, &this_len, &this_str);
- return JSONCPP_STRING(this_str, this_len);
+ decodePrefixedString(this->isAllocated(), this->value_.string_, &this_len,
+ &this_str);
+ return String(this_str, this_len);
}
case booleanValue:
return value_.bool_ ? "true" : "false";
@@ -3188,18 +3062,8 @@ JSONCPP_STRING Value::asString() const {
}
}
-#ifdef JSON_USE_CPPTL
-CppTL::ConstString Value::asConstString() const {
- unsigned len;
- char const* str;
- decodePrefixedString(allocated_, value_.string_,
- &len, &str);
- return CppTL::ConstString(str, len);
-}
-#endif
-
Value::Int Value::asInt() const {
- switch (type_) {
+ switch (type()) {
case intValue:
JSON_ASSERT_MESSAGE(isInt(), "LargestInt out of Int range");
return Int(value_.int_);
@@ -3221,7 +3085,7 @@ Value::Int Value::asInt() const {
}
Value::UInt Value::asUInt() const {
- switch (type_) {
+ switch (type()) {
case intValue:
JSON_ASSERT_MESSAGE(isUInt(), "LargestInt out of UInt range");
return UInt(value_.int_);
@@ -3245,7 +3109,7 @@ Value::UInt Value::asUInt() const {
#if defined(JSON_HAS_INT64)
Value::Int64 Value::asInt64() const {
- switch (type_) {
+ switch (type()) {
case intValue:
return Int64(value_.int_);
case uintValue:
@@ -3266,7 +3130,7 @@ Value::Int64 Value::asInt64() const {
}
Value::UInt64 Value::asUInt64() const {
- switch (type_) {
+ switch (type()) {
case intValue:
JSON_ASSERT_MESSAGE(isUInt64(), "LargestInt out of UInt64 range");
return UInt64(value_.int_);
@@ -3304,7 +3168,7 @@ LargestUInt Value::asLargestUInt() const {
}
double Value::asDouble() const {
- switch (type_) {
+ switch (type()) {
case intValue:
return static_cast<double>(value_.int_);
case uintValue:
@@ -3326,7 +3190,7 @@ double Value::asDouble() const {
}
float Value::asFloat() const {
- switch (type_) {
+ switch (type()) {
case intValue:
return static_cast<float>(value_.int_);
case uintValue:
@@ -3341,7 +3205,7 @@ float Value::asFloat() const {
case nullValue:
return 0.0;
case booleanValue:
- return value_.bool_ ? 1.0f : 0.0f;
+ return value_.bool_ ? 1.0F : 0.0F;
default:
break;
}
@@ -3349,18 +3213,20 @@ float Value::asFloat() const {
}
bool Value::asBool() const {
- switch (type_) {
+ switch (type()) {
case booleanValue:
return value_.bool_;
case nullValue:
return false;
case intValue:
- return value_.int_ ? true : false;
+ return value_.int_ != 0;
case uintValue:
- return value_.uint_ ? true : false;
- case realValue:
- // This is kind of strange. Not recommended.
- return (value_.real_ != 0.0) ? true : false;
+ return value_.uint_ != 0;
+ case realValue: {
+ // According to JavaScript language zero or NaN is regarded as false
+ const auto value_classification = std::fpclassify(value_.real_);
+ return value_classification != FP_ZERO && value_classification != FP_NAN;
+ }
default:
break;
}
@@ -3371,30 +3237,30 @@ bool Value::isConvertibleTo(ValueType other) const {
switch (other) {
case nullValue:
return (isNumeric() && asDouble() == 0.0) ||
- (type_ == booleanValue && value_.bool_ == false) ||
- (type_ == stringValue && asString().empty()) ||
- (type_ == arrayValue && value_.map_->size() == 0) ||
- (type_ == objectValue && value_.map_->size() == 0) ||
- type_ == nullValue;
+ (type() == booleanValue && !value_.bool_) ||
+ (type() == stringValue && asString().empty()) ||
+ (type() == arrayValue && value_.map_->empty()) ||
+ (type() == objectValue && value_.map_->empty()) ||
+ type() == nullValue;
case intValue:
return isInt() ||
- (type_ == realValue && InRange(value_.real_, minInt, maxInt)) ||
- type_ == booleanValue || type_ == nullValue;
+ (type() == realValue && InRange(value_.real_, minInt, maxInt)) ||
+ type() == booleanValue || type() == nullValue;
case uintValue:
return isUInt() ||
- (type_ == realValue && InRange(value_.real_, 0, maxUInt)) ||
- type_ == booleanValue || type_ == nullValue;
+ (type() == realValue && InRange(value_.real_, 0, maxUInt)) ||
+ type() == booleanValue || type() == nullValue;
case realValue:
- return isNumeric() || type_ == booleanValue || type_ == nullValue;
+ return isNumeric() || type() == booleanValue || type() == nullValue;
case booleanValue:
- return isNumeric() || type_ == booleanValue || type_ == nullValue;
+ return isNumeric() || type() == booleanValue || type() == nullValue;
case stringValue:
- return isNumeric() || type_ == booleanValue || type_ == stringValue ||
- type_ == nullValue;
+ return isNumeric() || type() == booleanValue || type() == stringValue ||
+ type() == nullValue;
case arrayValue:
- return type_ == arrayValue || type_ == nullValue;
+ return type() == arrayValue || type() == nullValue;
case objectValue:
- return type_ == objectValue || type_ == nullValue;
+ return type() == objectValue || type() == nullValue;
}
JSON_ASSERT_UNREACHABLE;
return false;
@@ -3402,7 +3268,7 @@ bool Value::isConvertibleTo(ValueType other) const {
/// Number of values in array or object
ArrayIndex Value::size() const {
- switch (type_) {
+ switch (type()) {
case nullValue:
case intValue:
case uintValue:
@@ -3426,20 +3292,19 @@ ArrayIndex Value::size() const {
bool Value::empty() const {
if (isNull() || isArray() || isObject())
- return size() == 0u;
- else
- return false;
+ return size() == 0U;
+ return false;
}
-Value::operator bool() const { return ! isNull(); }
+Value::operator bool() const { return !isNull(); }
void Value::clear() {
- JSON_ASSERT_MESSAGE(type_ == nullValue || type_ == arrayValue ||
- type_ == objectValue,
+ JSON_ASSERT_MESSAGE(type() == nullValue || type() == arrayValue ||
+ type() == objectValue,
"in Json::Value::clear(): requires complex value");
start_ = 0;
limit_ = 0;
- switch (type_) {
+ switch (type()) {
case arrayValue:
case objectValue:
value_.map_->clear();
@@ -3450,15 +3315,15 @@ void Value::clear() {
}
void Value::resize(ArrayIndex newSize) {
- JSON_ASSERT_MESSAGE(type_ == nullValue || type_ == arrayValue,
+ JSON_ASSERT_MESSAGE(type() == nullValue || type() == arrayValue,
"in Json::Value::resize(): requires arrayValue");
- if (type_ == nullValue)
+ if (type() == nullValue)
*this = Value(arrayValue);
ArrayIndex oldSize = size();
if (newSize == 0)
clear();
else if (newSize > oldSize)
- (*this)[newSize - 1];
+ this->operator[](newSize - 1);
else {
for (ArrayIndex index = newSize; index < oldSize; ++index) {
value_.map_->erase(index);
@@ -3469,12 +3334,12 @@ void Value::resize(ArrayIndex newSize) {
Value& Value::operator[](ArrayIndex index) {
JSON_ASSERT_MESSAGE(
- type_ == nullValue || type_ == arrayValue,
+ type() == nullValue || type() == arrayValue,
"in Json::Value::operator[](ArrayIndex): requires arrayValue");
- if (type_ == nullValue)
+ if (type() == nullValue)
*this = Value(arrayValue);
CZString key(index);
- ObjectValues::iterator it = value_.map_->lower_bound(key);
+ auto it = value_.map_->lower_bound(key);
if (it != value_.map_->end() && (*it).first == key)
return (*it).second;
@@ -3492,9 +3357,9 @@ Value& Value::operator[](int index) {
const Value& Value::operator[](ArrayIndex index) const {
JSON_ASSERT_MESSAGE(
- type_ == nullValue || type_ == arrayValue,
+ type() == nullValue || type() == arrayValue,
"in Json::Value::operator[](ArrayIndex)const: requires arrayValue");
- if (type_ == nullValue)
+ if (type() == nullValue)
return nullSingleton();
CZString key(index);
ObjectValues::const_iterator it = value_.map_->find(key);
@@ -3510,26 +3375,85 @@ const Value& Value::operator[](int index) const {
return (*this)[ArrayIndex(index)];
}
-void Value::initBasic(ValueType vtype, bool allocated) {
- type_ = vtype;
- allocated_ = allocated;
- comments_ = 0;
+void Value::initBasic(ValueType type, bool allocated) {
+ setType(type);
+ setIsAllocated(allocated);
+ comments_ = Comments{};
start_ = 0;
limit_ = 0;
}
+void Value::dupPayload(const Value& other) {
+ setType(other.type());
+ setIsAllocated(false);
+ switch (type()) {
+ case nullValue:
+ case intValue:
+ case uintValue:
+ case realValue:
+ case booleanValue:
+ value_ = other.value_;
+ break;
+ case stringValue:
+ if (other.value_.string_ && other.isAllocated()) {
+ unsigned len;
+ char const* str;
+ decodePrefixedString(other.isAllocated(), other.value_.string_, &len,
+ &str);
+ value_.string_ = duplicateAndPrefixStringValue(str, len);
+ setIsAllocated(true);
+ } else {
+ value_.string_ = other.value_.string_;
+ }
+ break;
+ case arrayValue:
+ case objectValue:
+ value_.map_ = new ObjectValues(*other.value_.map_);
+ break;
+ default:
+ JSON_ASSERT_UNREACHABLE;
+ }
+}
+
+void Value::releasePayload() {
+ switch (type()) {
+ case nullValue:
+ case intValue:
+ case uintValue:
+ case realValue:
+ case booleanValue:
+ break;
+ case stringValue:
+ if (isAllocated())
+ releasePrefixedStringValue(value_.string_);
+ break;
+ case arrayValue:
+ case objectValue:
+ delete value_.map_;
+ break;
+ default:
+ JSON_ASSERT_UNREACHABLE;
+ }
+}
+
+void Value::dupMeta(const Value& other) {
+ comments_ = other.comments_;
+ start_ = other.start_;
+ limit_ = other.limit_;
+}
+
// Access an object value by name, create a null member if it does not exist.
// @pre Type of '*this' is object or null.
// @param key is null-terminated.
Value& Value::resolveReference(const char* key) {
JSON_ASSERT_MESSAGE(
- type_ == nullValue || type_ == objectValue,
+ type() == nullValue || type() == objectValue,
"in Json::Value::resolveReference(): requires objectValue");
- if (type_ == nullValue)
+ if (type() == nullValue)
*this = Value(objectValue);
- CZString actualKey(
- key, static_cast<unsigned>(strlen(key)), CZString::noDuplication); // NOTE!
- ObjectValues::iterator it = value_.map_->lower_bound(actualKey);
+ CZString actualKey(key, static_cast<unsigned>(strlen(key)),
+ CZString::noDuplication); // NOTE!
+ auto it = value_.map_->lower_bound(actualKey);
if (it != value_.map_->end() && (*it).first == actualKey)
return (*it).second;
@@ -3540,16 +3464,15 @@ Value& Value::resolveReference(const char* key) {
}
// @param key is not null-terminated.
-Value& Value::resolveReference(char const* key, char const* cend)
-{
+Value& Value::resolveReference(char const* key, char const* end) {
JSON_ASSERT_MESSAGE(
- type_ == nullValue || type_ == objectValue,
+ type() == nullValue || type() == objectValue,
"in Json::Value::resolveReference(key, end): requires objectValue");
- if (type_ == nullValue)
+ if (type() == nullValue)
*this = Value(objectValue);
- CZString actualKey(
- key, static_cast<unsigned>(cend-key), CZString::duplicateOnCopy);
- ObjectValues::iterator it = value_.map_->lower_bound(actualKey);
+ CZString actualKey(key, static_cast<unsigned>(end - key),
+ CZString::duplicateOnCopy);
+ auto it = value_.map_->lower_bound(actualKey);
if (it != value_.map_->end() && (*it).first == actualKey)
return (*it).second;
@@ -3566,27 +3489,35 @@ Value Value::get(ArrayIndex index, const Value& defaultValue) const {
bool Value::isValidIndex(ArrayIndex index) const { return index < size(); }
-Value const* Value::find(char const* key, char const* cend) const
-{
- JSON_ASSERT_MESSAGE(
- type_ == nullValue || type_ == objectValue,
- "in Json::Value::find(key, end, found): requires objectValue or nullValue");
- if (type_ == nullValue) return NULL;
- CZString actualKey(key, static_cast<unsigned>(cend-key), CZString::noDuplication);
+Value const* Value::find(char const* begin, char const* end) const {
+ JSON_ASSERT_MESSAGE(type() == nullValue || type() == objectValue,
+ "in Json::Value::find(begin, end): requires "
+ "objectValue or nullValue");
+ if (type() == nullValue)
+ return nullptr;
+ CZString actualKey(begin, static_cast<unsigned>(end - begin),
+ CZString::noDuplication);
ObjectValues::const_iterator it = value_.map_->find(actualKey);
- if (it == value_.map_->end()) return NULL;
+ if (it == value_.map_->end())
+ return nullptr;
return &(*it).second;
}
-const Value& Value::operator[](const char* key) const
-{
+Value* Value::demand(char const* begin, char const* end) {
+ JSON_ASSERT_MESSAGE(type() == nullValue || type() == objectValue,
+ "in Json::Value::demand(begin, end): requires "
+ "objectValue or nullValue");
+ return &resolveReference(begin, end);
+}
+const Value& Value::operator[](const char* key) const {
Value const* found = find(key, key + strlen(key));
- if (!found) return nullSingleton();
+ if (!found)
+ return nullSingleton();
return *found;
}
-Value const& Value::operator[](JSONCPP_STRING const& key) const
-{
+Value const& Value::operator[](const String& key) const {
Value const* found = find(key.data(), key.data() + key.length());
- if (!found) return nullSingleton();
+ if (!found)
+ return nullSingleton();
return *found;
}
@@ -3594,7 +3525,7 @@ Value& Value::operator[](const char* key) {
return resolveReference(key, key + strlen(key));
}
-Value& Value::operator[](const JSONCPP_STRING& key) {
+Value& Value::operator[](const String& key) {
return resolveReference(key.data(), key.data() + key.length());
}
@@ -3602,178 +3533,140 @@ Value& Value::operator[](const StaticString& key) {
return resolveReference(key.c_str());
}
-#ifdef JSON_USE_CPPTL
-Value& Value::operator[](const CppTL::ConstString& key) {
- return resolveReference(key.c_str(), key.end_c_str());
-}
-Value const& Value::operator[](CppTL::ConstString const& key) const
-{
- Value const* found = find(key.c_str(), key.end_c_str());
- if (!found) return nullSingleton();
- return *found;
+Value& Value::append(const Value& value) { return append(Value(value)); }
+
+Value& Value::append(Value&& value) {
+ JSON_ASSERT_MESSAGE(type() == nullValue || type() == arrayValue,
+ "in Json::Value::append: requires arrayValue");
+ if (type() == nullValue) {
+ *this = Value(arrayValue);
+ }
+ return this->value_.map_->emplace(size(), std::move(value)).first->second;
}
-#endif
-Value& Value::append(const Value& value) { return (*this)[size()] = value; }
+bool Value::insert(ArrayIndex index, const Value& newValue) {
+ return insert(index, Value(newValue));
+}
-#if JSON_HAS_RVALUE_REFERENCES
- Value& Value::append(Value&& value) { return (*this)[size()] = std::move(value); }
-#endif
+bool Value::insert(ArrayIndex index, Value&& newValue) {
+ JSON_ASSERT_MESSAGE(type() == nullValue || type() == arrayValue,
+ "in Json::Value::insert: requires arrayValue");
+ ArrayIndex length = size();
+ if (index > length) {
+ return false;
+ }
+ for (ArrayIndex i = length; i > index; i--) {
+ (*this)[i] = std::move((*this)[i - 1]);
+ }
+ (*this)[index] = std::move(newValue);
+ return true;
+}
-Value Value::get(char const* key, char const* cend, Value const& defaultValue) const
-{
- Value const* found = find(key, cend);
+Value Value::get(char const* begin, char const* end,
+ Value const& defaultValue) const {
+ Value const* found = find(begin, end);
return !found ? defaultValue : *found;
}
-Value Value::get(char const* key, Value const& defaultValue) const
-{
+Value Value::get(char const* key, Value const& defaultValue) const {
return get(key, key + strlen(key), defaultValue);
}
-Value Value::get(JSONCPP_STRING const& key, Value const& defaultValue) const
-{
+Value Value::get(String const& key, Value const& defaultValue) const {
return get(key.data(), key.data() + key.length(), defaultValue);
}
-
-bool Value::removeMember(const char* key, const char* cend, Value* removed)
-{
- if (type_ != objectValue) {
+bool Value::removeMember(const char* begin, const char* end, Value* removed) {
+ if (type() != objectValue) {
return false;
}
- CZString actualKey(key, static_cast<unsigned>(cend-key), CZString::noDuplication);
- ObjectValues::iterator it = value_.map_->find(actualKey);
+ CZString actualKey(begin, static_cast<unsigned>(end - begin),
+ CZString::noDuplication);
+ auto it = value_.map_->find(actualKey);
if (it == value_.map_->end())
return false;
- *removed = it->second;
+ if (removed)
+ *removed = std::move(it->second);
value_.map_->erase(it);
return true;
}
-bool Value::removeMember(const char* key, Value* removed)
-{
+bool Value::removeMember(const char* key, Value* removed) {
return removeMember(key, key + strlen(key), removed);
}
-bool Value::removeMember(JSONCPP_STRING const& key, Value* removed)
-{
+bool Value::removeMember(String const& key, Value* removed) {
return removeMember(key.data(), key.data() + key.length(), removed);
}
-void Value::removeMember(const char* key)
-{
- JSON_ASSERT_MESSAGE(type_ == nullValue || type_ == objectValue,
+void Value::removeMember(const char* key) {
+ JSON_ASSERT_MESSAGE(type() == nullValue || type() == objectValue,
"in Json::Value::removeMember(): requires objectValue");
- if (type_ == nullValue)
+ if (type() == nullValue)
return;
CZString actualKey(key, unsigned(strlen(key)), CZString::noDuplication);
value_.map_->erase(actualKey);
}
-void Value::removeMember(const JSONCPP_STRING& key)
-{
- removeMember(key.c_str());
-}
+void Value::removeMember(const String& key) { removeMember(key.c_str()); }
bool Value::removeIndex(ArrayIndex index, Value* removed) {
- if (type_ != arrayValue) {
+ if (type() != arrayValue) {
return false;
}
CZString key(index);
- ObjectValues::iterator it = value_.map_->find(key);
+ auto it = value_.map_->find(key);
if (it == value_.map_->end()) {
return false;
}
- *removed = it->second;
+ if (removed)
+ *removed = it->second;
ArrayIndex oldSize = size();
// shift left all items left, into the place of the "removed"
- for (ArrayIndex i = index; i < (oldSize - 1); ++i){
+ for (ArrayIndex i = index; i < (oldSize - 1); ++i) {
CZString keey(i);
(*value_.map_)[keey] = (*this)[i + 1];
}
// erase the last one ("leftover")
CZString keyLast(oldSize - 1);
- ObjectValues::iterator itLast = value_.map_->find(keyLast);
+ auto itLast = value_.map_->find(keyLast);
value_.map_->erase(itLast);
return true;
}
-#ifdef JSON_USE_CPPTL
-Value Value::get(const CppTL::ConstString& key,
- const Value& defaultValue) const {
- return get(key.c_str(), key.end_c_str(), defaultValue);
+bool Value::isMember(char const* begin, char const* end) const {
+ Value const* value = find(begin, end);
+ return nullptr != value;
}
-#endif
-
-bool Value::isMember(char const* key, char const* cend) const
-{
- Value const* value = find(key, cend);
- return NULL != value;
-}
-bool Value::isMember(char const* key) const
-{
+bool Value::isMember(char const* key) const {
return isMember(key, key + strlen(key));
}
-bool Value::isMember(JSONCPP_STRING const& key) const
-{
+bool Value::isMember(String const& key) const {
return isMember(key.data(), key.data() + key.length());
}
-#ifdef JSON_USE_CPPTL
-bool Value::isMember(const CppTL::ConstString& key) const {
- return isMember(key.c_str(), key.end_c_str());
-}
-#endif
-
Value::Members Value::getMemberNames() const {
JSON_ASSERT_MESSAGE(
- type_ == nullValue || type_ == objectValue,
+ type() == nullValue || type() == objectValue,
"in Json::Value::getMemberNames(), value must be objectValue");
- if (type_ == nullValue)
+ if (type() == nullValue)
return Value::Members();
Members members;
members.reserve(value_.map_->size());
ObjectValues::const_iterator it = value_.map_->begin();
ObjectValues::const_iterator itEnd = value_.map_->end();
for (; it != itEnd; ++it) {
- members.push_back(JSONCPP_STRING((*it).first.data(),
- (*it).first.length()));
+ members.push_back(String((*it).first.data(), (*it).first.length()));
}
return members;
}
-//
-//# ifdef JSON_USE_CPPTL
-// EnumMemberNames
-// Value::enumMemberNames() const
-//{
-// if ( type_ == objectValue )
-// {
-// return CppTL::Enum::any( CppTL::Enum::transform(
-// CppTL::Enum::keys( *(value_.map_), CppTL::Type<const CZString &>() ),
-// MemberNamesTransform() ) );
-// }
-// return EnumMemberNames();
-//}
-//
-//
-// EnumValues
-// Value::enumValues() const
-//{
-// if ( type_ == objectValue || type_ == arrayValue )
-// return CppTL::Enum::anyValues( *(value_.map_),
-// CppTL::Type<const Value &>() );
-// return EnumValues();
-//}
-//
-//# endif
static bool IsIntegral(double d) {
double integral_part;
return modf(d, &integral_part) == 0.0;
}
-bool Value::isNull() const { return type_ == nullValue; }
+bool Value::isNull() const { return type() == nullValue; }
-bool Value::isBool() const { return type_ == booleanValue; }
+bool Value::isBool() const { return type() == booleanValue; }
bool Value::isInt() const {
- switch (type_) {
+ switch (type()) {
case intValue:
#if defined(JSON_HAS_INT64)
return value_.int_ >= minInt && value_.int_ <= maxInt;
@@ -3792,7 +3685,7 @@ bool Value::isInt() const {
}
bool Value::isUInt() const {
- switch (type_) {
+ switch (type()) {
case intValue:
#if defined(JSON_HAS_INT64)
return value_.int_ >= 0 && LargestUInt(value_.int_) <= LargestUInt(maxUInt);
@@ -3816,7 +3709,7 @@ bool Value::isUInt() const {
bool Value::isInt64() const {
#if defined(JSON_HAS_INT64)
- switch (type_) {
+ switch (type()) {
case intValue:
return true;
case uintValue:
@@ -3836,7 +3729,7 @@ bool Value::isInt64() const {
bool Value::isUInt64() const {
#if defined(JSON_HAS_INT64)
- switch (type_) {
+ switch (type()) {
case intValue:
return value_.int_ >= 0;
case uintValue:
@@ -3855,61 +3748,92 @@ bool Value::isUInt64() const {
}
bool Value::isIntegral() const {
- switch (type_) {
- case intValue:
- case uintValue:
- return true;
- case realValue:
+ switch (type()) {
+ case intValue:
+ case uintValue:
+ return true;
+ case realValue:
#if defined(JSON_HAS_INT64)
- // Note that maxUInt64 (= 2^64 - 1) is not exactly representable as a
- // double, so double(maxUInt64) will be rounded up to 2^64. Therefore we
- // require the value to be strictly less than the limit.
- return value_.real_ >= double(minInt64) && value_.real_ < maxUInt64AsDouble && IsIntegral(value_.real_);
+ // Note that maxUInt64 (= 2^64 - 1) is not exactly representable as a
+ // double, so double(maxUInt64) will be rounded up to 2^64. Therefore we
+ // require the value to be strictly less than the limit.
+ return value_.real_ >= double(minInt64) &&
+ value_.real_ < maxUInt64AsDouble && IsIntegral(value_.real_);
#else
- return value_.real_ >= minInt && value_.real_ <= maxUInt && IsIntegral(value_.real_);
+ return value_.real_ >= minInt && value_.real_ <= maxUInt &&
+ IsIntegral(value_.real_);
#endif // JSON_HAS_INT64
- default:
- break;
+ default:
+ break;
}
return false;
}
-bool Value::isDouble() const { return type_ == intValue || type_ == uintValue || type_ == realValue; }
+bool Value::isDouble() const {
+ return type() == intValue || type() == uintValue || type() == realValue;
+}
bool Value::isNumeric() const { return isDouble(); }
-bool Value::isString() const { return type_ == stringValue; }
+bool Value::isString() const { return type() == stringValue; }
-bool Value::isArray() const { return type_ == arrayValue; }
+bool Value::isArray() const { return type() == arrayValue; }
-bool Value::isObject() const { return type_ == objectValue; }
+bool Value::isObject() const { return type() == objectValue; }
-void Value::setComment(const char* comment, size_t len, CommentPlacement placement) {
- if (!comments_)
- comments_ = new CommentInfo[numberOfCommentPlacement];
- if ((len > 0) && (comment[len-1] == '\n')) {
- // Always discard trailing newline, to aid indentation.
- len -= 1;
- }
- comments_[placement].setComment(comment, len);
+Value::Comments::Comments(const Comments& that)
+ : ptr_{cloneUnique(that.ptr_)} {}
+
+Value::Comments::Comments(Comments&& that) : ptr_{std::move(that.ptr_)} {}
+
+Value::Comments& Value::Comments::operator=(const Comments& that) {
+ ptr_ = cloneUnique(that.ptr_);
+ return *this;
+}
+
+Value::Comments& Value::Comments::operator=(Comments&& that) {
+ ptr_ = std::move(that.ptr_);
+ return *this;
+}
+
+bool Value::Comments::has(CommentPlacement slot) const {
+ return ptr_ && !(*ptr_)[slot].empty();
}
-void Value::setComment(const char* comment, CommentPlacement placement) {
- setComment(comment, strlen(comment), placement);
+String Value::Comments::get(CommentPlacement slot) const {
+ if (!ptr_)
+ return {};
+ return (*ptr_)[slot];
}
-void Value::setComment(const JSONCPP_STRING& comment, CommentPlacement placement) {
- setComment(comment.c_str(), comment.length(), placement);
+void Value::Comments::set(CommentPlacement slot, String comment) {
+ if (!ptr_) {
+ ptr_ = std::unique_ptr<Array>(new Array());
+ }
+ // check comments array boundry.
+ if (slot < CommentPlacement::numberOfCommentPlacement) {
+ (*ptr_)[slot] = std::move(comment);
+ }
+}
+
+void Value::setComment(String comment, CommentPlacement placement) {
+ if (!comment.empty() && (comment.back() == '\n')) {
+ // Always discard trailing newline, to aid indentation.
+ comment.pop_back();
+ }
+ JSON_ASSERT(!comment.empty());
+ JSON_ASSERT_MESSAGE(
+ comment[0] == '\0' || comment[0] == '/',
+ "in Json::Value::setComment(): Comments must start with /");
+ comments_.set(placement, std::move(comment));
}
bool Value::hasComment(CommentPlacement placement) const {
- return comments_ != 0 && comments_[placement].comment_ != 0;
+ return comments_.has(placement);
}
-JSONCPP_STRING Value::getComment(CommentPlacement placement) const {
- if (hasComment(placement))
- return comments_[placement].comment_;
- return "";
+String Value::getComment(CommentPlacement placement) const {
+ return comments_.get(placement);
}
void Value::setOffsetStart(ptrdiff_t start) { start_ = start; }
@@ -3920,18 +3844,18 @@ ptrdiff_t Value::getOffsetStart() const { return start_; }
ptrdiff_t Value::getOffsetLimit() const { return limit_; }
-JSONCPP_STRING Value::toStyledString() const {
+String Value::toStyledString() const {
StreamWriterBuilder builder;
- JSONCPP_STRING out = this->hasComment(commentBefore) ? "\n" : "";
+ String out = this->hasComment(commentBefore) ? "\n" : "";
out += Json::writeString(builder, *this);
- out += "\n";
+ out += '\n';
return out;
}
Value::const_iterator Value::begin() const {
- switch (type_) {
+ switch (type()) {
case arrayValue:
case objectValue:
if (value_.map_)
@@ -3940,11 +3864,11 @@ Value::const_iterator Value::begin() const {
default:
break;
}
- return const_iterator();
+ return {};
}
Value::const_iterator Value::end() const {
- switch (type_) {
+ switch (type()) {
case arrayValue:
case objectValue:
if (value_.map_)
@@ -3953,11 +3877,11 @@ Value::const_iterator Value::end() const {
default:
break;
}
- return const_iterator();
+ return {};
}
Value::iterator Value::begin() {
- switch (type_) {
+ switch (type()) {
case arrayValue:
case objectValue:
if (value_.map_)
@@ -3970,7 +3894,7 @@ Value::iterator Value::begin() {
}
Value::iterator Value::end() {
- switch (type_) {
+ switch (type()) {
case arrayValue:
case objectValue:
if (value_.map_)
@@ -3985,25 +3909,20 @@ Value::iterator Value::end() {
// class PathArgument
// //////////////////////////////////////////////////////////////////
-PathArgument::PathArgument() : key_(), index_(), kind_(kindNone) {}
+PathArgument::PathArgument() = default;
PathArgument::PathArgument(ArrayIndex index)
- : key_(), index_(index), kind_(kindIndex) {}
+ : index_(index), kind_(kindIndex) {}
-PathArgument::PathArgument(const char* key)
- : key_(key), index_(), kind_(kindKey) {}
+PathArgument::PathArgument(const char* key) : key_(key), kind_(kindKey) {}
-PathArgument::PathArgument(const JSONCPP_STRING& key)
- : key_(key.c_str()), index_(), kind_(kindKey) {}
+PathArgument::PathArgument(String key) : key_(std::move(key)), kind_(kindKey) {}
// class Path
// //////////////////////////////////////////////////////////////////
-Path::Path(const JSONCPP_STRING& path,
- const PathArgument& a1,
- const PathArgument& a2,
- const PathArgument& a3,
- const PathArgument& a4,
+Path::Path(const String& path, const PathArgument& a1, const PathArgument& a2,
+ const PathArgument& a3, const PathArgument& a4,
const PathArgument& a5) {
InArgs in;
in.reserve(5);
@@ -4015,10 +3934,10 @@ Path::Path(const JSONCPP_STRING& path,
makePath(path, in);
}
-void Path::makePath(const JSONCPP_STRING& path, const InArgs& in) {
+void Path::makePath(const String& path, const InArgs& in) {
const char* current = path.c_str();
const char* end = current + path.length();
- InArgs::const_iterator itInArg = in.begin();
+ auto itInArg = in.begin();
while (current != end) {
if (*current == '[') {
++current;
@@ -4041,13 +3960,12 @@ void Path::makePath(const JSONCPP_STRING& path, const InArgs& in) {
const char* beginName = current;
while (current != end && !strchr("[.", *current))
++current;
- args_.push_back(JSONCPP_STRING(beginName, current));
+ args_.push_back(String(beginName, current));
}
}
}
-void Path::addPathInArg(const JSONCPP_STRING& /*path*/,
- const InArgs& in,
+void Path::addPathInArg(const String& /*path*/, const InArgs& in,
InArgs::const_iterator& itInArg,
PathArgument::Kind kind) {
if (itInArg == in.end()) {
@@ -4059,30 +3977,29 @@ void Path::addPathInArg(const JSONCPP_STRING& /*path*/,
}
}
-void Path::invalidPath(const JSONCPP_STRING& /*path*/, int /*location*/) {
+void Path::invalidPath(const String& /*path*/, int /*location*/) {
// Error: invalid path.
}
const Value& Path::resolve(const Value& root) const {
const Value* node = &root;
- for (Args::const_iterator it = args_.begin(); it != args_.end(); ++it) {
- const PathArgument& arg = *it;
+ for (const auto& arg : args_) {
if (arg.kind_ == PathArgument::kindIndex) {
if (!node->isArray() || !node->isValidIndex(arg.index_)) {
- // Error: unable to resolve path (array value expected at position...
- return Value::null;
+ // Error: unable to resolve path (array value expected at position... )
+ return Value::nullSingleton();
}
node = &((*node)[arg.index_]);
} else if (arg.kind_ == PathArgument::kindKey) {
if (!node->isObject()) {
// Error: unable to resolve path (object value expected at position...)
- return Value::null;
+ return Value::nullSingleton();
}
node = &((*node)[arg.key_]);
if (node == &Value::nullSingleton()) {
// Error: unable to resolve path (object has no member named '' at
// position...)
- return Value::null;
+ return Value::nullSingleton();
}
}
}
@@ -4091,8 +4008,7 @@ const Value& Path::resolve(const Value& root) const {
Value Path::resolve(const Value& root, const Value& defaultValue) const {
const Value* node = &root;
- for (Args::const_iterator it = args_.begin(); it != args_.end(); ++it) {
- const PathArgument& arg = *it;
+ for (const auto& arg : args_) {
if (arg.kind_ == PathArgument::kindIndex) {
if (!node->isArray() || !node->isValidIndex(arg.index_))
return defaultValue;
@@ -4110,8 +4026,7 @@ Value Path::resolve(const Value& root, const Value& defaultValue) const {
Value& Path::make(Value& root) const {
Value* node = &root;
- for (Args::const_iterator it = args_.begin(); it != args_.end(); ++it) {
- const PathArgument& arg = *it;
+ for (const auto& arg : args_) {
if (arg.kind_ == PathArgument::kindIndex) {
if (!node->isArray()) {
// Error: node is not an array at position ...
@@ -4148,71 +4063,81 @@ Value& Path::make(Value& root) const {
// See file LICENSE for detail or copy at http://jsoncpp.sourceforge.net/LICENSE
#if !defined(JSON_IS_AMALGAMATION)
-#include <json/writer.h>
#include "json_tool.h"
+#include <json/writer.h>
#endif // if !defined(JSON_IS_AMALGAMATION)
+#include <algorithm>
+#include <cassert>
+#include <cctype>
+#include <cstring>
#include <iomanip>
#include <memory>
+#include <set>
#include <sstream>
#include <utility>
-#include <set>
-#include <cassert>
-#include <cstring>
+
+#if __cplusplus >= 201103L
+#include <cmath>
#include <cstdio>
-#if defined(_MSC_VER) && _MSC_VER >= 1200 && _MSC_VER < 1800 // Between VC++ 6.0 and VC++ 11.0
+#if !defined(isnan)
+#define isnan std::isnan
+#endif
+
+#if !defined(isfinite)
+#define isfinite std::isfinite
+#endif
+
+#else
+#include <cmath>
+#include <cstdio>
+
+#if defined(_MSC_VER)
+#if !defined(isnan)
+#include <float.h>
+#define isnan _isnan
+#endif
+
+#if !defined(isfinite)
#include <float.h>
#define isfinite _finite
-#elif defined(__sun) && defined(__SVR4) //Solaris
+#endif
+
+#if !defined(_CRT_SECURE_CPP_OVERLOAD_STANDARD_NAMES)
+#define _CRT_SECURE_CPP_OVERLOAD_STANDARD_NAMES 1
+#endif //_CRT_SECURE_CPP_OVERLOAD_STANDARD_NAMES
+
+#endif //_MSC_VER
+
+#if defined(__sun) && defined(__SVR4) // Solaris
#if !defined(isfinite)
#include <ieeefp.h>
#define isfinite finite
#endif
-#elif defined(_AIX)
-#if !defined(isfinite)
-#include <math.h>
-#define isfinite finite
#endif
-#elif defined(__hpux)
+
+#if defined(__hpux)
#if !defined(isfinite)
#if defined(__ia64) && !defined(finite)
-#define isfinite(x) ((sizeof(x) == sizeof(float) ? \
- _Isfinitef(x) : _IsFinite(x)))
-#else
-#include <math.h>
-#define isfinite finite
-#endif
+#define isfinite(x) \
+ ((sizeof(x) == sizeof(float) ? _Isfinitef(x) : _IsFinite(x)))
#endif
-#else
-#include <cmath>
-#if !(defined(__QNXNTO__)) // QNX already defines isfinite
-#define isfinite std::isfinite
#endif
#endif
-#if defined(_MSC_VER)
-#if !defined(WINCE) && defined(__STDC_SECURE_LIB__) && _MSC_VER >= 1500 // VC++ 9.0 and above
-#define snprintf sprintf_s
-#elif _MSC_VER >= 1900 // VC++ 14.0 and above
-#define snprintf std::snprintf
-#else
-#define snprintf _snprintf
+#if !defined(isnan)
+// IEEE standard states that NaN values will not compare to themselves
+#define isnan(x) (x != x)
#endif
-#elif defined(__ANDROID__) || defined(__QNXNTO__)
-#define snprintf snprintf
-#elif __cplusplus >= 201103L
-#if !defined(__MINGW32__) && !defined(__CYGWIN__)
-#define snprintf std::snprintf
+
+#if !defined(__APPLE__)
+#if !defined(isfinite)
+#define isfinite finite
#endif
#endif
-
-#if defined(__BORLANDC__)
-#include <float.h>
-#define isfinite _finite
-#define snprintf _snprintf
#endif
-#if defined(_MSC_VER) && _MSC_VER >= 1400 // VC++ 8.0
+#if defined(_MSC_VER)
// Disable warning about strdup being deprecated.
#pragma warning(disable : 4996)
#endif
@@ -4220,12 +4145,12 @@ Value& Path::make(Value& root) const {
namespace Json {
#if __cplusplus >= 201103L || (defined(_CPPLIB_VER) && _CPPLIB_VER >= 520)
-typedef std::unique_ptr<StreamWriter> StreamWriterPtr;
+using StreamWriterPtr = std::unique_ptr<StreamWriter>;
#else
-typedef std::auto_ptr<StreamWriter> StreamWriterPtr;
+using StreamWriterPtr = std::auto_ptr<StreamWriter>;
#endif
-JSONCPP_STRING valueToString(LargestInt value) {
+String valueToString(LargestInt value) {
UIntToStringBuffer buffer;
char* current = buffer + sizeof(buffer);
if (value == Value::minLargestInt) {
@@ -4241,7 +4166,7 @@ JSONCPP_STRING valueToString(LargestInt value) {
return current;
}
-JSONCPP_STRING valueToString(LargestUInt value) {
+String valueToString(LargestUInt value) {
UIntToStringBuffer buffer;
char* current = buffer + sizeof(buffer);
uintToString(value, current);
@@ -4251,67 +4176,70 @@ JSONCPP_STRING valueToString(LargestUInt value) {
#if defined(JSON_HAS_INT64)
-JSONCPP_STRING valueToString(Int value) {
- return valueToString(LargestInt(value));
-}
+String valueToString(Int value) { return valueToString(LargestInt(value)); }
-JSONCPP_STRING valueToString(UInt value) {
- return valueToString(LargestUInt(value));
-}
+String valueToString(UInt value) { return valueToString(LargestUInt(value)); }
#endif // # if defined(JSON_HAS_INT64)
namespace {
-JSONCPP_STRING valueToString(double value, bool useSpecialFloats, unsigned int precision) {
- // Allocate a buffer that is more than large enough to store the 16 digits of
- // precision requested below.
- char buffer[36];
- int len = -1;
-
- char formatString[15];
- snprintf(formatString, sizeof(formatString), "%%.%ug", precision);
-
+String valueToString(double value, bool useSpecialFloats,
+ unsigned int precision, PrecisionType precisionType) {
// Print into the buffer. We need not request the alternative representation
// that always has a decimal point because JSON doesn't distinguish the
// concepts of reals and integers.
- if (isfinite(value)) {
- len = snprintf(buffer, sizeof(buffer), formatString, value);
- fixNumericLocale(buffer, buffer + len);
-
- // try to ensure we preserve the fact that this was given to us as a double on input
- if (!strchr(buffer, '.') && !strchr(buffer, 'e')) {
- strcat(buffer, ".0");
+ if (!isfinite(value)) {
+ static const char* const reps[2][3] = {{"NaN", "-Infinity", "Infinity"},
+ {"null", "-1e+9999", "1e+9999"}};
+ return reps[useSpecialFloats ? 0 : 1]
+ [isnan(value) ? 0 : (value < 0) ? 1 : 2];
+ }
+
+ String buffer(size_t(36), '\0');
+ while (true) {
+ int len = jsoncpp_snprintf(
+ &*buffer.begin(), buffer.size(),
+ (precisionType == PrecisionType::significantDigits) ? "%.*g" : "%.*f",
+ precision, value);
+ assert(len >= 0);
+ auto wouldPrint = static_cast<size_t>(len);
+ if (wouldPrint >= buffer.size()) {
+ buffer.resize(wouldPrint + 1);
+ continue;
}
+ buffer.resize(wouldPrint);
+ break;
+ }
- } else {
- // IEEE standard states that NaN values will not compare to themselves
- if (value != value) {
- len = snprintf(buffer, sizeof(buffer), useSpecialFloats ? "NaN" : "null");
- } else if (value < 0) {
- len = snprintf(buffer, sizeof(buffer), useSpecialFloats ? "-Infinity" : "-1e+9999");
- } else {
- len = snprintf(buffer, sizeof(buffer), useSpecialFloats ? "Infinity" : "1e+9999");
- }
+ buffer.erase(fixNumericLocale(buffer.begin(), buffer.end()), buffer.end());
+
+ // strip the zero padding from the right
+ if (precisionType == PrecisionType::decimalPlaces) {
+ buffer.erase(fixZerosInTheEnd(buffer.begin(), buffer.end()), buffer.end());
+ }
+
+ // try to ensure we preserve the fact that this was given to us as a double on
+ // input
+ if (buffer.find('.') == buffer.npos && buffer.find('e') == buffer.npos) {
+ buffer += ".0";
}
- assert(len >= 0);
return buffer;
}
-}
+} // namespace
-JSONCPP_STRING valueToString(double value) { return valueToString(value, false, 17); }
+String valueToString(double value, unsigned int precision,
+ PrecisionType precisionType) {
+ return valueToString(value, false, precision, precisionType);
+}
-JSONCPP_STRING valueToString(bool value) { return value ? "true" : "false"; }
+String valueToString(bool value) { return value ? "true" : "false"; }
-static bool isAnyCharRequiredQuoting(char const* s, size_t n) {
+static bool doesAnyCharRequireEscaping(char const* s, size_t n) {
assert(s || !n);
- char const* const end = s + n;
- for (char const* cur = s; cur < end; ++cur) {
- if (*cur == '\\' || *cur == '\"' || *cur < ' '
- || static_cast<unsigned char>(*cur) < 0x80)
- return true;
- }
- return false;
+ return std::any_of(s, s + n, [](unsigned char c) {
+ return c == '\\' || c == '"' || c < 0x20 || c > 0x7F;
+ });
}
static unsigned int utf8ToCodepoint(const char*& s, const char* e) {
@@ -4326,8 +4254,8 @@ static unsigned int utf8ToCodepoint(const char*& s, const char* e) {
if (e - s < 2)
return REPLACEMENT_CHARACTER;
- unsigned int calculated = ((firstByte & 0x1F) << 6)
- | (static_cast<unsigned int>(s[1]) & 0x3F);
+ unsigned int calculated =
+ ((firstByte & 0x1F) << 6) | (static_cast<unsigned int>(s[1]) & 0x3F);
s += 1;
// oversized encoded characters are invalid
return calculated < 0x80 ? REPLACEMENT_CHARACTER : calculated;
@@ -4337,9 +4265,9 @@ static unsigned int utf8ToCodepoint(const char*& s, const char* e) {
if (e - s < 3)
return REPLACEMENT_CHARACTER;
- unsigned int calculated = ((firstByte & 0x0F) << 12)
- | ((static_cast<unsigned int>(s[1]) & 0x3F) << 6)
- | (static_cast<unsigned int>(s[2]) & 0x3F);
+ unsigned int calculated = ((firstByte & 0x0F) << 12) |
+ ((static_cast<unsigned int>(s[1]) & 0x3F) << 6) |
+ (static_cast<unsigned int>(s[2]) & 0x3F);
s += 2;
// surrogates aren't valid codepoints itself
// shouldn't be UTF-8 encoded
@@ -4353,10 +4281,10 @@ static unsigned int utf8ToCodepoint(const char*& s, const char* e) {
if (e - s < 4)
return REPLACEMENT_CHARACTER;
- unsigned int calculated = ((firstByte & 0x07) << 24)
- | ((static_cast<unsigned int>(s[1]) & 0x3F) << 12)
- | ((static_cast<unsigned int>(s[2]) & 0x3F) << 6)
- | (static_cast<unsigned int>(s[3]) & 0x3F);
+ unsigned int calculated = ((firstByte & 0x07) << 18) |
+ ((static_cast<unsigned int>(s[1]) & 0x3F) << 12) |
+ ((static_cast<unsigned int>(s[2]) & 0x3F) << 6) |
+ (static_cast<unsigned int>(s[3]) & 0x3F);
s += 3;
// oversized encoded characters are invalid
return calculated < 0x10000 ? REPLACEMENT_CHARACTER : calculated;
@@ -4365,28 +4293,27 @@ static unsigned int utf8ToCodepoint(const char*& s, const char* e) {
return REPLACEMENT_CHARACTER;
}
-static const char hex2[] =
- "000102030405060708090a0b0c0d0e0f"
- "101112131415161718191a1b1c1d1e1f"
- "202122232425262728292a2b2c2d2e2f"
- "303132333435363738393a3b3c3d3e3f"
- "404142434445464748494a4b4c4d4e4f"
- "505152535455565758595a5b5c5d5e5f"
- "606162636465666768696a6b6c6d6e6f"
- "707172737475767778797a7b7c7d7e7f"
- "808182838485868788898a8b8c8d8e8f"
- "909192939495969798999a9b9c9d9e9f"
- "a0a1a2a3a4a5a6a7a8a9aaabacadaeaf"
- "b0b1b2b3b4b5b6b7b8b9babbbcbdbebf"
- "c0c1c2c3c4c5c6c7c8c9cacbcccdcecf"
- "d0d1d2d3d4d5d6d7d8d9dadbdcdddedf"
- "e0e1e2e3e4e5e6e7e8e9eaebecedeeef"
- "f0f1f2f3f4f5f6f7f8f9fafbfcfdfeff";
-
-static JSONCPP_STRING toHex16Bit(unsigned int x) {
+static const char hex2[] = "000102030405060708090a0b0c0d0e0f"
+ "101112131415161718191a1b1c1d1e1f"
+ "202122232425262728292a2b2c2d2e2f"
+ "303132333435363738393a3b3c3d3e3f"
+ "404142434445464748494a4b4c4d4e4f"
+ "505152535455565758595a5b5c5d5e5f"
+ "606162636465666768696a6b6c6d6e6f"
+ "707172737475767778797a7b7c7d7e7f"
+ "808182838485868788898a8b8c8d8e8f"
+ "909192939495969798999a9b9c9d9e9f"
+ "a0a1a2a3a4a5a6a7a8a9aaabacadaeaf"
+ "b0b1b2b3b4b5b6b7b8b9babbbcbdbebf"
+ "c0c1c2c3c4c5c6c7c8c9cacbcccdcecf"
+ "d0d1d2d3d4d5d6d7d8d9dadbdcdddedf"
+ "e0e1e2e3e4e5e6e7e8e9eaebecedeeef"
+ "f0f1f2f3f4f5f6f7f8f9fafbfcfdfeff";
+
+static String toHex16Bit(unsigned int x) {
const unsigned int hi = (x >> 8) & 0xff;
const unsigned int lo = x & 0xff;
- JSONCPP_STRING result(4, ' ');
+ String result(4, ' ');
result[0] = hex2[2 * hi];
result[1] = hex2[2 * hi + 1];
result[2] = hex2[2 * lo];
@@ -4394,18 +4321,26 @@ static JSONCPP_STRING toHex16Bit(unsigned int x) {
return result;
}
-static JSONCPP_STRING valueToQuotedStringN(const char* value, unsigned length) {
- if (value == NULL)
+static void appendRaw(String& result, unsigned ch) {
+ result += static_cast<char>(ch);
+}
+
+static void appendHex(String& result, unsigned ch) {
+ result.append("\\u").append(toHex16Bit(ch));
+}
+
+static String valueToQuotedStringN(const char* value, unsigned length,
+ bool emitUTF8 = false) {
+ if (value == nullptr)
return "";
- if (!isAnyCharRequiredQuoting(value, length))
- return JSONCPP_STRING("\"") + value + "\"";
+ if (!doesAnyCharRequireEscaping(value, length))
+ return String("\"") + value + "\"";
// We have to walk value and escape any special characters.
- // Appending to JSONCPP_STRING is not efficient, but this should be rare.
+ // Appending to String is not efficient, but this should be rare.
// (Note: forward slashes are *not* rare, but I am not escaping them.)
- JSONCPP_STRING::size_type maxsize =
- length * 2 + 3; // allescaped+quotes+NULL
- JSONCPP_STRING result;
+ String::size_type maxsize = length * 2 + 3; // allescaped+quotes+NULL
+ String result;
result.reserve(maxsize); // to avoid lots of mallocs
result += "\"";
char const* end = value + length;
@@ -4441,45 +4376,50 @@ static JSONCPP_STRING valueToQuotedStringN(const char* value, unsigned length) {
// Should add a flag to allow this compatibility mode and prevent this
// sequence from occurring.
default: {
- unsigned int cp = utf8ToCodepoint(c, end);
- // don't escape non-control characters
- // (short escape sequence are applied above)
- if (cp < 0x80 && cp >= 0x20)
- result += static_cast<char>(cp);
- else if (cp < 0x10000) { // codepoint is in Basic Multilingual Plane
- result += "\\u";
- result += toHex16Bit(cp);
+ if (emitUTF8) {
+ unsigned codepoint = static_cast<unsigned char>(*c);
+ if (codepoint < 0x20) {
+ appendHex(result, codepoint);
+ } else {
+ appendRaw(result, codepoint);
}
- else { // codepoint is not in Basic Multilingual Plane
- // convert to surrogate pair first
- cp -= 0x10000;
- result += "\\u";
- result += toHex16Bit((cp >> 10) + 0xD800);
- result += "\\u";
- result += toHex16Bit((cp & 0x3FF) + 0xDC00);
+ } else {
+ unsigned codepoint = utf8ToCodepoint(c, end); // modifies `c`
+ if (codepoint < 0x20) {
+ appendHex(result, codepoint);
+ } else if (codepoint < 0x80) {
+ appendRaw(result, codepoint);
+ } else if (codepoint < 0x10000) {
+ // Basic Multilingual Plane
+ appendHex(result, codepoint);
+ } else {
+ // Extended Unicode. Encode 20 bits as a surrogate pair.
+ codepoint -= 0x10000;
+ appendHex(result, 0xd800 + ((codepoint >> 10) & 0x3ff));
+ appendHex(result, 0xdc00 + (codepoint & 0x3ff));
}
}
- break;
+ } break;
}
}
result += "\"";
return result;
}
-JSONCPP_STRING valueToQuotedString(const char* value) {
+String valueToQuotedString(const char* value) {
return valueToQuotedStringN(value, static_cast<unsigned int>(strlen(value)));
}
// Class Writer
// //////////////////////////////////////////////////////////////////
-Writer::~Writer() {}
+Writer::~Writer() = default;
// Class FastWriter
// //////////////////////////////////////////////////////////////////
FastWriter::FastWriter()
- : yamlCompatibilityEnabled_(false), dropNullPlaceholders_(false),
- omitEndingLineFeed_(false) {}
+
+ = default;
void FastWriter::enableYAMLCompatibility() { yamlCompatibilityEnabled_ = true; }
@@ -4487,11 +4427,11 @@ void FastWriter::dropNullPlaceholders() { dropNullPlaceholders_ = true; }
void FastWriter::omitEndingLineFeed() { omitEndingLineFeed_ = true; }
-JSONCPP_STRING FastWriter::write(const Value& root) {
+String FastWriter::write(const Value& root) {
document_.clear();
writeValue(root);
if (!omitEndingLineFeed_)
- document_ += "\n";
+ document_ += '\n';
return document_;
}
@@ -4510,13 +4450,13 @@ void FastWriter::writeValue(const Value& value) {
case realValue:
document_ += valueToString(value.asDouble());
break;
- case stringValue:
- {
+ case stringValue: {
// Is NULL possible for value.string_? No.
char const* str;
char const* end;
bool ok = value.getString(&str, &end);
- if (ok) document_ += valueToQuotedStringN(str, static_cast<unsigned>(end-str));
+ if (ok)
+ document_ += valueToQuotedStringN(str, static_cast<unsigned>(end - str));
break;
}
case booleanValue:
@@ -4535,12 +4475,12 @@ void FastWriter::writeValue(const Value& value) {
case objectValue: {
Value::Members members(value.getMemberNames());
document_ += '{';
- for (Value::Members::iterator it = members.begin(); it != members.end();
- ++it) {
- const JSONCPP_STRING& name = *it;
+ for (auto it = members.begin(); it != members.end(); ++it) {
+ const String& name = *it;
if (it != members.begin())
document_ += ',';
- document_ += valueToQuotedStringN(name.data(), static_cast<unsigned>(name.length()));
+ document_ += valueToQuotedStringN(name.data(),
+ static_cast<unsigned>(name.length()));
document_ += yamlCompatibilityEnabled_ ? ": " : ":";
writeValue(value[name]);
}
@@ -4552,17 +4492,16 @@ void FastWriter::writeValue(const Value& value) {
// Class StyledWriter
// //////////////////////////////////////////////////////////////////
-StyledWriter::StyledWriter()
- : rightMargin_(74), indentSize_(3), addChildValues_() {}
+StyledWriter::StyledWriter() = default;
-JSONCPP_STRING StyledWriter::write(const Value& root) {
+String StyledWriter::write(const Value& root) {
document_.clear();
addChildValues_ = false;
indentString_.clear();
writeCommentBeforeValue(root);
writeValue(root);
writeCommentAfterValueOnSameLine(root);
- document_ += "\n";
+ document_ += '\n';
return document_;
}
@@ -4580,14 +4519,15 @@ void StyledWriter::writeValue(const Value& value) {
case realValue:
pushValue(valueToString(value.asDouble()));
break;
- case stringValue:
- {
+ case stringValue: {
// Is NULL possible for value.string_? No.
char const* str;
char const* end;
bool ok = value.getString(&str, &end);
- if (ok) pushValue(valueToQuotedStringN(str, static_cast<unsigned>(end-str)));
- else pushValue("");
+ if (ok)
+ pushValue(valueToQuotedStringN(str, static_cast<unsigned>(end - str)));
+ else
+ pushValue("");
break;
}
case booleanValue:
@@ -4603,9 +4543,9 @@ void StyledWriter::writeValue(const Value& value) {
else {
writeWithIndent("{");
indent();
- Value::Members::iterator it = members.begin();
+ auto it = members.begin();
for (;;) {
- const JSONCPP_STRING& name = *it;
+ const String& name = *it;
const Value& childValue = value[name];
writeCommentBeforeValue(childValue);
writeWithIndent(valueToQuotedString(name.c_str()));
@@ -4675,7 +4615,7 @@ bool StyledWriter::isMultilineArray(const Value& value) {
for (ArrayIndex index = 0; index < size && !isMultiLine; ++index) {
const Value& childValue = value[index];
isMultiLine = ((childValue.isArray() || childValue.isObject()) &&
- childValue.size() > 0);
+ !childValue.empty());
}
if (!isMultiLine) // check if line length > max line length
{
@@ -4695,7 +4635,7 @@ bool StyledWriter::isMultilineArray(const Value& value) {
return isMultiLine;
}
-void StyledWriter::pushValue(const JSONCPP_STRING& value) {
+void StyledWriter::pushValue(const String& value) {
if (addChildValues_)
childValues_.push_back(value);
else
@@ -4713,12 +4653,12 @@ void StyledWriter::writeIndent() {
document_ += indentString_;
}
-void StyledWriter::writeWithIndent(const JSONCPP_STRING& value) {
+void StyledWriter::writeWithIndent(const String& value) {
writeIndent();
document_ += value;
}
-void StyledWriter::indent() { indentString_ += JSONCPP_STRING(indentSize_, ' '); }
+void StyledWriter::indent() { indentString_ += String(indentSize_, ' '); }
void StyledWriter::unindent() {
assert(indentString_.size() >= indentSize_);
@@ -4729,20 +4669,19 @@ void StyledWriter::writeCommentBeforeValue(const Value& root) {
if (!root.hasComment(commentBefore))
return;
- document_ += "\n";
+ document_ += '\n';
writeIndent();
- const JSONCPP_STRING& comment = root.getComment(commentBefore);
- JSONCPP_STRING::const_iterator iter = comment.begin();
+ const String& comment = root.getComment(commentBefore);
+ String::const_iterator iter = comment.begin();
while (iter != comment.end()) {
document_ += *iter;
- if (*iter == '\n' &&
- ((iter+1) != comment.end() && *(iter + 1) == '/'))
+ if (*iter == '\n' && ((iter + 1) != comment.end() && *(iter + 1) == '/'))
writeIndent();
++iter;
}
// Comments are stripped of trailing newlines, so add one here
- document_ += "\n";
+ document_ += '\n';
}
void StyledWriter::writeCommentAfterValueOnSameLine(const Value& root) {
@@ -4750,9 +4689,9 @@ void StyledWriter::writeCommentAfterValueOnSameLine(const Value& root) {
document_ += " " + root.getComment(commentAfterOnSameLine);
if (root.hasComment(commentAfter)) {
- document_ += "\n";
+ document_ += '\n';
document_ += root.getComment(commentAfter);
- document_ += "\n";
+ document_ += '\n';
}
}
@@ -4765,22 +4704,23 @@ bool StyledWriter::hasCommentForValue(const Value& value) {
// Class StyledStreamWriter
// //////////////////////////////////////////////////////////////////
-StyledStreamWriter::StyledStreamWriter(JSONCPP_STRING indentation)
- : document_(NULL), rightMargin_(74), indentation_(indentation),
- addChildValues_() {}
+StyledStreamWriter::StyledStreamWriter(String indentation)
+ : document_(nullptr), indentation_(std::move(indentation)),
+ addChildValues_(), indented_(false) {}
-void StyledStreamWriter::write(JSONCPP_OSTREAM& out, const Value& root) {
+void StyledStreamWriter::write(OStream& out, const Value& root) {
document_ = &out;
addChildValues_ = false;
indentString_.clear();
indented_ = true;
writeCommentBeforeValue(root);
- if (!indented_) writeIndent();
+ if (!indented_)
+ writeIndent();
indented_ = true;
writeValue(root);
writeCommentAfterValueOnSameLine(root);
*document_ << "\n";
- document_ = NULL; // Forget the stream, for safety.
+ document_ = nullptr; // Forget the stream, for safety.
}
void StyledStreamWriter::writeValue(const Value& value) {
@@ -4797,14 +4737,15 @@ void StyledStreamWriter::writeValue(const Value& value) {
case realValue:
pushValue(valueToString(value.asDouble()));
break;
- case stringValue:
- {
+ case stringValue: {
// Is NULL possible for value.string_? No.
char const* str;
char const* end;
bool ok = value.getString(&str, &end);
- if (ok) pushValue(valueToQuotedStringN(str, static_cast<unsigned>(end-str)));
- else pushValue("");
+ if (ok)
+ pushValue(valueToQuotedStringN(str, static_cast<unsigned>(end - str)));
+ else
+ pushValue("");
break;
}
case booleanValue:
@@ -4820,9 +4761,9 @@ void StyledStreamWriter::writeValue(const Value& value) {
else {
writeWithIndent("{");
indent();
- Value::Members::iterator it = members.begin();
+ auto it = members.begin();
for (;;) {
- const JSONCPP_STRING& name = *it;
+ const String& name = *it;
const Value& childValue = value[name];
writeCommentBeforeValue(childValue);
writeWithIndent(valueToQuotedString(name.c_str()));
@@ -4859,7 +4800,8 @@ void StyledStreamWriter::writeArrayValue(const Value& value) {
if (hasChildValue)
writeWithIndent(childValues_[index]);
else {
- if (!indented_) writeIndent();
+ if (!indented_)
+ writeIndent();
indented_ = true;
writeValue(childValue);
indented_ = false;
@@ -4894,7 +4836,7 @@ bool StyledStreamWriter::isMultilineArray(const Value& value) {
for (ArrayIndex index = 0; index < size && !isMultiLine; ++index) {
const Value& childValue = value[index];
isMultiLine = ((childValue.isArray() || childValue.isObject()) &&
- childValue.size() > 0);
+ !childValue.empty());
}
if (!isMultiLine) // check if line length > max line length
{
@@ -4914,7 +4856,7 @@ bool StyledStreamWriter::isMultilineArray(const Value& value) {
return isMultiLine;
}
-void StyledStreamWriter::pushValue(const JSONCPP_STRING& value) {
+void StyledStreamWriter::pushValue(const String& value) {
if (addChildValues_)
childValues_.push_back(value);
else
@@ -4929,8 +4871,9 @@ void StyledStreamWriter::writeIndent() {
*document_ << '\n' << indentString_;
}
-void StyledStreamWriter::writeWithIndent(const JSONCPP_STRING& value) {
- if (!indented_) writeIndent();
+void StyledStreamWriter::writeWithIndent(const String& value) {
+ if (!indented_)
+ writeIndent();
*document_ << value;
indented_ = false;
}
@@ -4946,13 +4889,13 @@ void StyledStreamWriter::writeCommentBeforeValue(const Value& root) {
if (!root.hasComment(commentBefore))
return;
- if (!indented_) writeIndent();
- const JSONCPP_STRING& comment = root.getComment(commentBefore);
- JSONCPP_STRING::const_iterator iter = comment.begin();
+ if (!indented_)
+ writeIndent();
+ const String& comment = root.getComment(commentBefore);
+ String::const_iterator iter = comment.begin();
while (iter != comment.end()) {
*document_ << *iter;
- if (*iter == '\n' &&
- ((iter+1) != comment.end() && *(iter + 1) == '/'))
+ if (*iter == '\n' && ((iter + 1) != comment.end() && *(iter + 1) == '/'))
// writeIndent(); // would include newline
*document_ << indentString_;
++iter;
@@ -4984,84 +4927,73 @@ bool StyledStreamWriter::hasCommentForValue(const Value& value) {
struct CommentStyle {
/// Decide whether to write comments.
enum Enum {
- None, ///< Drop all comments.
- Most, ///< Recover odd behavior of previous versions (not implemented yet).
- All ///< Keep all comments.
+ None, ///< Drop all comments.
+ Most, ///< Recover odd behavior of previous versions (not implemented yet).
+ All ///< Keep all comments.
};
};
-struct BuiltStyledStreamWriter : public StreamWriter
-{
- BuiltStyledStreamWriter(
- JSONCPP_STRING const& indentation,
- CommentStyle::Enum cs,
- JSONCPP_STRING const& colonSymbol,
- JSONCPP_STRING const& nullSymbol,
- JSONCPP_STRING const& endingLineFeedSymbol,
- bool useSpecialFloats,
- unsigned int precision);
- int write(Value const& root, JSONCPP_OSTREAM* sout) JSONCPP_OVERRIDE;
+struct BuiltStyledStreamWriter : public StreamWriter {
+ BuiltStyledStreamWriter(String indentation, CommentStyle::Enum cs,
+ String colonSymbol, String nullSymbol,
+ String endingLineFeedSymbol, bool useSpecialFloats,
+ bool emitUTF8, unsigned int precision,
+ PrecisionType precisionType);
+ int write(Value const& root, OStream* sout) override;
+
private:
void writeValue(Value const& value);
void writeArrayValue(Value const& value);
bool isMultilineArray(Value const& value);
- void pushValue(JSONCPP_STRING const& value);
+ void pushValue(String const& value);
void writeIndent();
- void writeWithIndent(JSONCPP_STRING const& value);
+ void writeWithIndent(String const& value);
void indent();
void unindent();
void writeCommentBeforeValue(Value const& root);
void writeCommentAfterValueOnSameLine(Value const& root);
static bool hasCommentForValue(const Value& value);
- typedef std::vector<JSONCPP_STRING> ChildValues;
+ using ChildValues = std::vector<String>;
ChildValues childValues_;
- JSONCPP_STRING indentString_;
+ String indentString_;
unsigned int rightMargin_;
- JSONCPP_STRING indentation_;
+ String indentation_;
CommentStyle::Enum cs_;
- JSONCPP_STRING colonSymbol_;
- JSONCPP_STRING nullSymbol_;
- JSONCPP_STRING endingLineFeedSymbol_;
+ String colonSymbol_;
+ String nullSymbol_;
+ String endingLineFeedSymbol_;
bool addChildValues_ : 1;
bool indented_ : 1;
bool useSpecialFloats_ : 1;
+ bool emitUTF8_ : 1;
unsigned int precision_;
+ PrecisionType precisionType_;
};
BuiltStyledStreamWriter::BuiltStyledStreamWriter(
- JSONCPP_STRING const& indentation,
- CommentStyle::Enum cs,
- JSONCPP_STRING const& colonSymbol,
- JSONCPP_STRING const& nullSymbol,
- JSONCPP_STRING const& endingLineFeedSymbol,
- bool useSpecialFloats,
- unsigned int precision)
- : rightMargin_(74)
- , indentation_(indentation)
- , cs_(cs)
- , colonSymbol_(colonSymbol)
- , nullSymbol_(nullSymbol)
- , endingLineFeedSymbol_(endingLineFeedSymbol)
- , addChildValues_(false)
- , indented_(false)
- , useSpecialFloats_(useSpecialFloats)
- , precision_(precision)
-{
-}
-int BuiltStyledStreamWriter::write(Value const& root, JSONCPP_OSTREAM* sout)
-{
+ String indentation, CommentStyle::Enum cs, String colonSymbol,
+ String nullSymbol, String endingLineFeedSymbol, bool useSpecialFloats,
+ bool emitUTF8, unsigned int precision, PrecisionType precisionType)
+ : rightMargin_(74), indentation_(std::move(indentation)), cs_(cs),
+ colonSymbol_(std::move(colonSymbol)), nullSymbol_(std::move(nullSymbol)),
+ endingLineFeedSymbol_(std::move(endingLineFeedSymbol)),
+ addChildValues_(false), indented_(false),
+ useSpecialFloats_(useSpecialFloats), emitUTF8_(emitUTF8),
+ precision_(precision), precisionType_(precisionType) {}
+int BuiltStyledStreamWriter::write(Value const& root, OStream* sout) {
sout_ = sout;
addChildValues_ = false;
indented_ = true;
indentString_.clear();
writeCommentBeforeValue(root);
- if (!indented_) writeIndent();
+ if (!indented_)
+ writeIndent();
indented_ = true;
writeValue(root);
writeCommentAfterValueOnSameLine(root);
*sout_ << endingLineFeedSymbol_;
- sout_ = NULL;
+ sout_ = nullptr;
return 0;
}
void BuiltStyledStreamWriter::writeValue(Value const& value) {
@@ -5076,16 +5008,19 @@ void BuiltStyledStreamWriter::writeValue(Value const& value) {
pushValue(valueToString(value.asLargestUInt()));
break;
case realValue:
- pushValue(valueToString(value.asDouble(), useSpecialFloats_, precision_));
+ pushValue(valueToString(value.asDouble(), useSpecialFloats_, precision_,
+ precisionType_));
break;
- case stringValue:
- {
+ case stringValue: {
// Is NULL is possible for value.string_? No.
char const* str;
char const* end;
bool ok = value.getString(&str, &end);
- if (ok) pushValue(valueToQuotedStringN(str, static_cast<unsigned>(end-str)));
- else pushValue("");
+ if (ok)
+ pushValue(valueToQuotedStringN(str, static_cast<unsigned>(end - str),
+ emitUTF8_));
+ else
+ pushValue("");
break;
}
case booleanValue:
@@ -5101,12 +5036,13 @@ void BuiltStyledStreamWriter::writeValue(Value const& value) {
else {
writeWithIndent("{");
indent();
- Value::Members::iterator it = members.begin();
+ auto it = members.begin();
for (;;) {
- JSONCPP_STRING const& name = *it;
+ String const& name = *it;
Value const& childValue = value[name];
writeCommentBeforeValue(childValue);
- writeWithIndent(valueToQuotedStringN(name.data(), static_cast<unsigned>(name.length())));
+ writeWithIndent(valueToQuotedStringN(
+ name.data(), static_cast<unsigned>(name.length()), emitUTF8_));
*sout_ << colonSymbol_;
writeValue(childValue);
if (++it == members.end()) {
@@ -5140,7 +5076,8 @@ void BuiltStyledStreamWriter::writeArrayValue(Value const& value) {
if (hasChildValue)
writeWithIndent(childValues_[index]);
else {
- if (!indented_) writeIndent();
+ if (!indented_)
+ writeIndent();
indented_ = true;
writeValue(childValue);
indented_ = false;
@@ -5158,13 +5095,15 @@ void BuiltStyledStreamWriter::writeArrayValue(Value const& value) {
{
assert(childValues_.size() == size);
*sout_ << "[";
- if (!indentation_.empty()) *sout_ << " ";
+ if (!indentation_.empty())
+ *sout_ << " ";
for (unsigned index = 0; index < size; ++index) {
if (index > 0)
*sout_ << ((!indentation_.empty()) ? ", " : ",");
*sout_ << childValues_[index];
}
- if (!indentation_.empty()) *sout_ << " ";
+ if (!indentation_.empty())
+ *sout_ << " ";
*sout_ << "]";
}
}
@@ -5177,7 +5116,7 @@ bool BuiltStyledStreamWriter::isMultilineArray(Value const& value) {
for (ArrayIndex index = 0; index < size && !isMultiLine; ++index) {
Value const& childValue = value[index];
isMultiLine = ((childValue.isArray() || childValue.isObject()) &&
- childValue.size() > 0);
+ !childValue.empty());
}
if (!isMultiLine) // check if line length > max line length
{
@@ -5197,7 +5136,7 @@ bool BuiltStyledStreamWriter::isMultilineArray(Value const& value) {
return isMultiLine;
}
-void BuiltStyledStreamWriter::pushValue(JSONCPP_STRING const& value) {
+void BuiltStyledStreamWriter::pushValue(String const& value) {
if (addChildValues_)
childValues_.push_back(value);
else
@@ -5216,8 +5155,9 @@ void BuiltStyledStreamWriter::writeIndent() {
}
}
-void BuiltStyledStreamWriter::writeWithIndent(JSONCPP_STRING const& value) {
- if (!indented_) writeIndent();
+void BuiltStyledStreamWriter::writeWithIndent(String const& value) {
+ if (!indented_)
+ writeIndent();
*sout_ << value;
indented_ = false;
}
@@ -5230,17 +5170,18 @@ void BuiltStyledStreamWriter::unindent() {
}
void BuiltStyledStreamWriter::writeCommentBeforeValue(Value const& root) {
- if (cs_ == CommentStyle::None) return;
+ if (cs_ == CommentStyle::None)
+ return;
if (!root.hasComment(commentBefore))
return;
- if (!indented_) writeIndent();
- const JSONCPP_STRING& comment = root.getComment(commentBefore);
- JSONCPP_STRING::const_iterator iter = comment.begin();
+ if (!indented_)
+ writeIndent();
+ const String& comment = root.getComment(commentBefore);
+ String::const_iterator iter = comment.begin();
while (iter != comment.end()) {
*sout_ << *iter;
- if (*iter == '\n' &&
- ((iter+1) != comment.end() && *(iter + 1) == '/'))
+ if (*iter == '\n' && ((iter + 1) != comment.end() && *(iter + 1) == '/'))
// writeIndent(); // would write extra newline
*sout_ << indentString_;
++iter;
@@ -5248,8 +5189,10 @@ void BuiltStyledStreamWriter::writeCommentBeforeValue(Value const& root) {
indented_ = false;
}
-void BuiltStyledStreamWriter::writeCommentAfterValueOnSameLine(Value const& root) {
- if (cs_ == CommentStyle::None) return;
+void BuiltStyledStreamWriter::writeCommentAfterValueOnSameLine(
+ Value const& root) {
+ if (cs_ == CommentStyle::None)
+ return;
if (root.hasComment(commentAfterOnSameLine))
*sout_ << " " + root.getComment(commentAfterOnSameLine);
@@ -5269,28 +5212,19 @@ bool BuiltStyledStreamWriter::hasCommentForValue(const Value& value) {
///////////////
// StreamWriter
-StreamWriter::StreamWriter()
- : sout_(NULL)
-{
-}
-StreamWriter::~StreamWriter()
-{
-}
-StreamWriter::Factory::~Factory()
-{}
-StreamWriterBuilder::StreamWriterBuilder()
-{
- setDefaults(&settings_);
-}
-StreamWriterBuilder::~StreamWriterBuilder()
-{}
-StreamWriter* StreamWriterBuilder::newStreamWriter() const
-{
- JSONCPP_STRING indentation = settings_["indentation"].asString();
- JSONCPP_STRING cs_str = settings_["commentStyle"].asString();
- bool eyc = settings_["enableYAMLCompatibility"].asBool();
- bool dnp = settings_["dropNullPlaceholders"].asBool();
- bool usf = settings_["useSpecialFloats"].asBool();
+StreamWriter::StreamWriter() : sout_(nullptr) {}
+StreamWriter::~StreamWriter() = default;
+StreamWriter::Factory::~Factory() = default;
+StreamWriterBuilder::StreamWriterBuilder() { setDefaults(&settings_); }
+StreamWriterBuilder::~StreamWriterBuilder() = default;
+StreamWriter* StreamWriterBuilder::newStreamWriter() const {
+ const String indentation = settings_["indentation"].asString();
+ const String cs_str = settings_["commentStyle"].asString();
+ const String pt_str = settings_["precisionType"].asString();
+ const bool eyc = settings_["enableYAMLCompatibility"].asBool();
+ const bool dnp = settings_["dropNullPlaceholders"].asBool();
+ const bool usf = settings_["useSpecialFloats"].asBool();
+ const bool emitUTF8 = settings_["emitUTF8"].asBool();
unsigned int pre = settings_["precision"].asUInt();
CommentStyle::Enum cs = CommentStyle::All;
if (cs_str == "All") {
@@ -5300,74 +5234,80 @@ StreamWriter* StreamWriterBuilder::newStreamWriter() const
} else {
throwRuntimeError("commentStyle must be 'All' or 'None'");
}
- JSONCPP_STRING colonSymbol = " : ";
+ PrecisionType precisionType(significantDigits);
+ if (pt_str == "significant") {
+ precisionType = PrecisionType::significantDigits;
+ } else if (pt_str == "decimal") {
+ precisionType = PrecisionType::decimalPlaces;
+ } else {
+ throwRuntimeError("precisionType must be 'significant' or 'decimal'");
+ }
+ String colonSymbol = " : ";
if (eyc) {
colonSymbol = ": ";
} else if (indentation.empty()) {
colonSymbol = ":";
}
- JSONCPP_STRING nullSymbol = "null";
+ String nullSymbol = "null";
if (dnp) {
nullSymbol.clear();
}
- if (pre > 17) pre = 17;
- JSONCPP_STRING endingLineFeedSymbol;
- return new BuiltStyledStreamWriter(
- indentation, cs,
- colonSymbol, nullSymbol, endingLineFeedSymbol, usf, pre);
-}
-static void getValidWriterKeys(std::set<JSONCPP_STRING>* valid_keys)
-{
- valid_keys->clear();
- valid_keys->insert("indentation");
- valid_keys->insert("commentStyle");
- valid_keys->insert("enableYAMLCompatibility");
- valid_keys->insert("dropNullPlaceholders");
- valid_keys->insert("useSpecialFloats");
- valid_keys->insert("precision");
-}
-bool StreamWriterBuilder::validate(Json::Value* invalid) const
-{
- Json::Value my_invalid;
- if (!invalid) invalid = &my_invalid; // so we do not need to test for NULL
- Json::Value& inv = *invalid;
- std::set<JSONCPP_STRING> valid_keys;
- getValidWriterKeys(&valid_keys);
- Value::Members keys = settings_.getMemberNames();
- size_t n = keys.size();
- for (size_t i = 0; i < n; ++i) {
- JSONCPP_STRING const& key = keys[i];
- if (valid_keys.find(key) == valid_keys.end()) {
- inv[key] = settings_[key];
- }
+ if (pre > 17)
+ pre = 17;
+ String endingLineFeedSymbol;
+ return new BuiltStyledStreamWriter(indentation, cs, colonSymbol, nullSymbol,
+ endingLineFeedSymbol, usf, emitUTF8, pre,
+ precisionType);
+}
+
+bool StreamWriterBuilder::validate(Json::Value* invalid) const {
+ static const auto& valid_keys = *new std::set<String>{
+ "indentation",
+ "commentStyle",
+ "enableYAMLCompatibility",
+ "dropNullPlaceholders",
+ "useSpecialFloats",
+ "emitUTF8",
+ "precision",
+ "precisionType",
+ };
+ for (auto si = settings_.begin(); si != settings_.end(); ++si) {
+ auto key = si.name();
+ if (valid_keys.count(key))
+ continue;
+ if (invalid)
+ (*invalid)[std::move(key)] = *si;
+ else
+ return false;
}
- return 0u == inv.size();
+ return invalid ? invalid->empty() : true;
}
-Value& StreamWriterBuilder::operator[](JSONCPP_STRING key)
-{
+
+Value& StreamWriterBuilder::operator[](const String& key) {
return settings_[key];
}
// static
-void StreamWriterBuilder::setDefaults(Json::Value* settings)
-{
+void StreamWriterBuilder::setDefaults(Json::Value* settings) {
//! [StreamWriterBuilderDefaults]
(*settings)["commentStyle"] = "All";
(*settings)["indentation"] = "\t";
(*settings)["enableYAMLCompatibility"] = false;
(*settings)["dropNullPlaceholders"] = false;
(*settings)["useSpecialFloats"] = false;
+ (*settings)["emitUTF8"] = false;
(*settings)["precision"] = 17;
+ (*settings)["precisionType"] = "significant";
//! [StreamWriterBuilderDefaults]
}
-JSONCPP_STRING writeString(StreamWriter::Factory const& builder, Value const& root) {
- JSONCPP_OSTRINGSTREAM sout;
- StreamWriterPtr const writer(builder.newStreamWriter());
+String writeString(StreamWriter::Factory const& factory, Value const& root) {
+ OStringStream sout;
+ StreamWriterPtr const writer(factory.newStreamWriter());
writer->write(root, &sout);
return sout.str();
}
-JSONCPP_OSTREAM& operator<<(JSONCPP_OSTREAM& sout, Value const& root) {
+OStream& operator<<(OStream& sout, Value const& root) {
StreamWriterBuilder builder;
StreamWriterPtr const writer(builder.newStreamWriter());
writer->write(root, &sout);
generated by cgit v1.2.3 (git 2.39.1) at 2025-01-26 11:50:44 +0000