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authorSmallJoker <mk939@ymail.com>2020-09-20 13:04:01 +0200
committerLoïc Blot <nerzhul@users.noreply.github.com>2020-10-01 09:52:59 +0200
commitca5c2dbefab3676514e48b445b36de50993de9f1 (patch)
treedeefe1c6b364378f1ef294c558c46f1fe7ee81dc /src/util
parent79414aa3e5591fdaffa0956a08610a2228042941 (diff)
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Clean up serialization
This reverts 1a5b4b3 and further functions in serialize.cpp that are unused The intend for a sane NetworkPacket/stream replacement was good, but a wrapper class around i/ostream might be more versatile than introducing a new vector-based serialization class.
Diffstat (limited to 'src/util')
-rw-r--r--src/util/serialize.cpp349
-rw-r--r--src/util/serialize.h242
2 files changed, 0 insertions, 591 deletions
diff --git a/src/util/serialize.cpp b/src/util/serialize.cpp
index 5b276668d..fd5cbda21 100644
--- a/src/util/serialize.cpp
+++ b/src/util/serialize.cpp
@@ -30,74 +30,6 @@ with this program; if not, write to the Free Software Foundation, Inc.,
FloatType g_serialize_f32_type = FLOATTYPE_UNKNOWN;
-////
-//// BufReader
-////
-
-bool BufReader::getStringNoEx(std::string *val)
-{
- u16 num_chars;
- if (!getU16NoEx(&num_chars))
- return false;
-
- if (pos + num_chars > size) {
- pos -= sizeof(num_chars);
- return false;
- }
-
- val->assign((const char *)data + pos, num_chars);
- pos += num_chars;
-
- return true;
-}
-
-bool BufReader::getWideStringNoEx(std::wstring *val)
-{
- u16 num_chars;
- if (!getU16NoEx(&num_chars))
- return false;
-
- if (pos + num_chars * 2 > size) {
- pos -= sizeof(num_chars);
- return false;
- }
-
- for (size_t i = 0; i != num_chars; i++) {
- val->push_back(readU16(data + pos));
- pos += 2;
- }
-
- return true;
-}
-
-bool BufReader::getLongStringNoEx(std::string *val)
-{
- u32 num_chars;
- if (!getU32NoEx(&num_chars))
- return false;
-
- if (pos + num_chars > size) {
- pos -= sizeof(num_chars);
- return false;
- }
-
- val->assign((const char *)data + pos, num_chars);
- pos += num_chars;
-
- return true;
-}
-
-bool BufReader::getRawDataNoEx(void *val, size_t len)
-{
- if (pos + len > size)
- return false;
-
- memcpy(val, data + pos, len);
- pos += len;
-
- return true;
-}
-
////
//// String
@@ -404,284 +336,3 @@ std::string deSerializeJsonStringIfNeeded(std::istream &is)
return tmp_os.str();
}
-////
-//// String/Struct conversions
-////
-
-bool deSerializeStringToStruct(std::string valstr,
- std::string format, void *out, size_t olen)
-{
- size_t len = olen;
- std::vector<std::string *> strs_alloced;
- std::string *str;
- char *f, *snext;
- size_t pos;
-
- char *s = &valstr[0];
- char *buf = new char[len];
- char *bufpos = buf;
-
- char *fmtpos, *fmt = &format[0];
- while ((f = strtok_r(fmt, ",", &fmtpos)) && s) {
- fmt = nullptr;
-
- bool is_unsigned = false;
- int width = 0;
- char valtype = *f;
-
- width = (int)strtol(f + 1, &f, 10);
- if (width && valtype == 's')
- valtype = 'i';
-
- switch (valtype) {
- case 'u':
- is_unsigned = true;
- /* FALLTHROUGH */
- case 'i':
- if (width == 16) {
- bufpos += PADDING(bufpos, u16);
- if ((bufpos - buf) + sizeof(u16) <= len) {
- if (is_unsigned)
- *(u16 *)bufpos = (u16)strtoul(s, &s, 10);
- else
- *(s16 *)bufpos = (s16)strtol(s, &s, 10);
- }
- bufpos += sizeof(u16);
- } else if (width == 32) {
- bufpos += PADDING(bufpos, u32);
- if ((bufpos - buf) + sizeof(u32) <= len) {
- if (is_unsigned)
- *(u32 *)bufpos = (u32)strtoul(s, &s, 10);
- else
- *(s32 *)bufpos = (s32)strtol(s, &s, 10);
- }
- bufpos += sizeof(u32);
- } else if (width == 64) {
- bufpos += PADDING(bufpos, u64);
- if ((bufpos - buf) + sizeof(u64) <= len) {
- if (is_unsigned)
- *(u64 *)bufpos = (u64)strtoull(s, &s, 10);
- else
- *(s64 *)bufpos = (s64)strtoll(s, &s, 10);
- }
- bufpos += sizeof(u64);
- }
- s = strchr(s, ',');
- break;
- case 'b':
- snext = strchr(s, ',');
- if (snext)
- *snext++ = 0;
-
- bufpos += PADDING(bufpos, bool);
- if ((bufpos - buf) + sizeof(bool) <= len)
- *(bool *)bufpos = is_yes(std::string(s));
- bufpos += sizeof(bool);
-
- s = snext;
- break;
- case 'f':
- bufpos += PADDING(bufpos, float);
- if ((bufpos - buf) + sizeof(float) <= len)
- *(float *)bufpos = strtof(s, &s);
- bufpos += sizeof(float);
-
- s = strchr(s, ',');
- break;
- case 's':
- while (*s == ' ' || *s == '\t')
- s++;
- if (*s++ != '"') //error, expected string
- goto fail;
- snext = s;
-
- while (snext[0] && !(snext[-1] != '\\' && snext[0] == '"'))
- snext++;
- *snext++ = 0;
-
- bufpos += PADDING(bufpos, std::string *);
-
- str = new std::string(s);
- pos = 0;
- while ((pos = str->find("\\\"", pos)) != std::string::npos)
- str->erase(pos, 1);
-
- if ((bufpos - buf) + sizeof(std::string *) <= len)
- *(std::string **)bufpos = str;
- bufpos += sizeof(std::string *);
- strs_alloced.push_back(str);
-
- s = *snext ? snext + 1 : nullptr;
- break;
- case 'v':
- while (*s == ' ' || *s == '\t')
- s++;
- if (*s++ != '(') //error, expected vector
- goto fail;
-
- if (width == 2) {
- bufpos += PADDING(bufpos, v2f);
-
- if ((bufpos - buf) + sizeof(v2f) <= len) {
- v2f *v = (v2f *)bufpos;
- v->X = strtof(s, &s);
- s++;
- v->Y = strtof(s, &s);
- }
-
- bufpos += sizeof(v2f);
- } else if (width == 3) {
- bufpos += PADDING(bufpos, v3f);
- if ((bufpos - buf) + sizeof(v3f) <= len) {
- v3f *v = (v3f *)bufpos;
- v->X = strtof(s, &s);
- s++;
- v->Y = strtof(s, &s);
- s++;
- v->Z = strtof(s, &s);
- }
-
- bufpos += sizeof(v3f);
- }
- s = strchr(s, ',');
- break;
- default: //error, invalid format specifier
- goto fail;
- }
-
- if (s && *s == ',')
- s++;
-
- if ((size_t)(bufpos - buf) > len) //error, buffer too small
- goto fail;
- }
-
- if (f && *f) { //error, mismatched number of fields and values
-fail:
- for (size_t i = 0; i != strs_alloced.size(); i++)
- delete strs_alloced[i];
- delete[] buf;
- return false;
- }
-
- memcpy(out, buf, olen);
- delete[] buf;
- return true;
-}
-
-// Casts *buf to a signed or unsigned fixed-width integer of 'w' width
-#define SIGN_CAST(w, buf) (is_unsigned ? *((u##w *) buf) : *((s##w *) buf))
-
-bool serializeStructToString(std::string *out,
- std::string format, void *value)
-{
- std::ostringstream os;
- std::string str;
- char *f;
- size_t strpos;
-
- char *bufpos = (char *) value;
- char *fmtpos, *fmt = &format[0];
- while ((f = strtok_r(fmt, ",", &fmtpos))) {
- fmt = nullptr;
- bool is_unsigned = false;
- int width = 0;
- char valtype = *f;
-
- width = (int)strtol(f + 1, &f, 10);
- if (width && valtype == 's')
- valtype = 'i';
-
- switch (valtype) {
- case 'u':
- is_unsigned = true;
- /* FALLTHROUGH */
- case 'i':
- if (width == 16) {
- bufpos += PADDING(bufpos, u16);
- os << SIGN_CAST(16, bufpos);
- bufpos += sizeof(u16);
- } else if (width == 32) {
- bufpos += PADDING(bufpos, u32);
- os << SIGN_CAST(32, bufpos);
- bufpos += sizeof(u32);
- } else if (width == 64) {
- bufpos += PADDING(bufpos, u64);
- os << SIGN_CAST(64, bufpos);
- bufpos += sizeof(u64);
- }
- break;
- case 'b':
- bufpos += PADDING(bufpos, bool);
- os << std::boolalpha << *((bool *) bufpos);
- bufpos += sizeof(bool);
- break;
- case 'f':
- bufpos += PADDING(bufpos, float);
- os << *((float *) bufpos);
- bufpos += sizeof(float);
- break;
- case 's':
- bufpos += PADDING(bufpos, std::string *);
- str = **((std::string **) bufpos);
-
- strpos = 0;
- while ((strpos = str.find('"', strpos)) != std::string::npos) {
- str.insert(strpos, 1, '\\');
- strpos += 2;
- }
-
- os << str;
- bufpos += sizeof(std::string *);
- break;
- case 'v':
- if (width == 2) {
- bufpos += PADDING(bufpos, v2f);
- v2f *v = (v2f *) bufpos;
- os << '(' << v->X << ", " << v->Y << ')';
- bufpos += sizeof(v2f);
- } else {
- bufpos += PADDING(bufpos, v3f);
- v3f *v = (v3f *) bufpos;
- os << '(' << v->X << ", " << v->Y << ", " << v->Z << ')';
- bufpos += sizeof(v3f);
- }
- break;
- default:
- return false;
- }
- os << ", ";
- }
- *out = os.str();
-
- // Trim off the trailing comma and space
- if (out->size() >= 2)
- out->resize(out->size() - 2);
-
- return true;
-}
-
-#undef SIGN_CAST
-
-////
-//// Other
-////
-
-std::string serializeHexString(const std::string &data, bool insert_spaces)
-{
- std::string result;
- result.reserve(data.size() * (2 + insert_spaces));
-
- static const char hex_chars[] = "0123456789abcdef";
-
- const size_t len = data.size();
- for (size_t i = 0; i != len; i++) {
- u8 byte = data[i];
- result.push_back(hex_chars[(byte >> 4) & 0x0F]);
- result.push_back(hex_chars[(byte >> 0) & 0x0F]);
- if (insert_spaces && i != len - 1)
- result.push_back(' ');
- }
-
- return result;
-}
diff --git a/src/util/serialize.h b/src/util/serialize.h
index a4b5a234a..a988a8f78 100644
--- a/src/util/serialize.h
+++ b/src/util/serialize.h
@@ -442,15 +442,9 @@ MAKE_STREAM_WRITE_FXN(video::SColor, ARGB8, 4);
// Creates a string with the length as the first two bytes
std::string serializeString(const std::string &plain);
-// Creates a string with the length as the first two bytes from wide string
-std::string serializeWideString(const std::wstring &plain);
-
// Reads a string with the length as the first two bytes
std::string deSerializeString(std::istream &is);
-// Reads a wide string with the length as the first two bytes
-std::wstring deSerializeWideString(std::istream &is);
-
// Creates a string with the length as the first four bytes
std::string serializeLongString(const std::string &plain);
@@ -469,239 +463,3 @@ std::string serializeJsonStringIfNeeded(const std::string &s);
// Parses a string serialized by serializeJsonStringIfNeeded.
std::string deSerializeJsonStringIfNeeded(std::istream &is);
-
-// Creates a string consisting of the hexadecimal representation of `data`
-std::string serializeHexString(const std::string &data, bool insert_spaces=false);
-
-// Creates a string containing comma delimited values of a struct whose layout is
-// described by the parameter format
-bool serializeStructToString(std::string *out,
- std::string format, void *value);
-
-// Reads a comma delimited string of values into a struct whose layout is
-// decribed by the parameter format
-bool deSerializeStringToStruct(std::string valstr,
- std::string format, void *out, size_t olen);
-
-////
-//// BufReader
-////
-
-#define MAKE_BUFREADER_GETNOEX_FXN(T, N, S) \
- inline bool get ## N ## NoEx(T *val) \
- { \
- if (pos + S > size) \
- return false; \
- *val = read ## N(data + pos); \
- pos += S; \
- return true; \
- }
-
-#define MAKE_BUFREADER_GET_FXN(T, N) \
- inline T get ## N() \
- { \
- T val; \
- if (!get ## N ## NoEx(&val)) \
- throw SerializationError("Attempted read past end of data"); \
- return val; \
- }
-
-class BufReader {
-public:
- BufReader(const u8 *data_, size_t size_) :
- data(data_),
- size(size_)
- {
- }
-
- MAKE_BUFREADER_GETNOEX_FXN(u8, U8, 1);
- MAKE_BUFREADER_GETNOEX_FXN(u16, U16, 2);
- MAKE_BUFREADER_GETNOEX_FXN(u32, U32, 4);
- MAKE_BUFREADER_GETNOEX_FXN(u64, U64, 8);
- MAKE_BUFREADER_GETNOEX_FXN(s8, S8, 1);
- MAKE_BUFREADER_GETNOEX_FXN(s16, S16, 2);
- MAKE_BUFREADER_GETNOEX_FXN(s32, S32, 4);
- MAKE_BUFREADER_GETNOEX_FXN(s64, S64, 8);
- MAKE_BUFREADER_GETNOEX_FXN(f32, F1000, 4);
- MAKE_BUFREADER_GETNOEX_FXN(v2s16, V2S16, 4);
- MAKE_BUFREADER_GETNOEX_FXN(v3s16, V3S16, 6);
- MAKE_BUFREADER_GETNOEX_FXN(v2s32, V2S32, 8);
- MAKE_BUFREADER_GETNOEX_FXN(v3s32, V3S32, 12);
- MAKE_BUFREADER_GETNOEX_FXN(v3f, V3F1000, 12);
- MAKE_BUFREADER_GETNOEX_FXN(video::SColor, ARGB8, 4);
-
- bool getStringNoEx(std::string *val);
- bool getWideStringNoEx(std::wstring *val);
- bool getLongStringNoEx(std::string *val);
- bool getRawDataNoEx(void *data, size_t len);
-
- MAKE_BUFREADER_GET_FXN(u8, U8);
- MAKE_BUFREADER_GET_FXN(u16, U16);
- MAKE_BUFREADER_GET_FXN(u32, U32);
- MAKE_BUFREADER_GET_FXN(u64, U64);
- MAKE_BUFREADER_GET_FXN(s8, S8);
- MAKE_BUFREADER_GET_FXN(s16, S16);
- MAKE_BUFREADER_GET_FXN(s32, S32);
- MAKE_BUFREADER_GET_FXN(s64, S64);
- MAKE_BUFREADER_GET_FXN(f32, F1000);
- MAKE_BUFREADER_GET_FXN(v2s16, V2S16);
- MAKE_BUFREADER_GET_FXN(v3s16, V3S16);
- MAKE_BUFREADER_GET_FXN(v2s32, V2S32);
- MAKE_BUFREADER_GET_FXN(v3s32, V3S32);
- MAKE_BUFREADER_GET_FXN(v3f, V3F1000);
- MAKE_BUFREADER_GET_FXN(video::SColor, ARGB8);
- MAKE_BUFREADER_GET_FXN(std::string, String);
- MAKE_BUFREADER_GET_FXN(std::wstring, WideString);
- MAKE_BUFREADER_GET_FXN(std::string, LongString);
-
- inline void getRawData(void *val, size_t len)
- {
- if (!getRawDataNoEx(val, len))
- throw SerializationError("Attempted read past end of data");
- }
-
- inline size_t remaining()
- {
- assert(pos <= size);
- return size - pos;
- }
-
- const u8 *data;
- size_t size;
- size_t pos = 0;
-};
-
-#undef MAKE_BUFREADER_GET_FXN
-#undef MAKE_BUFREADER_GETNOEX_FXN
-
-
-////
-//// Vector-based write routines
-////
-
-inline void putU8(std::vector<u8> *dest, u8 val)
-{
- dest->push_back((val >> 0) & 0xFF);
-}
-
-inline void putU16(std::vector<u8> *dest, u16 val)
-{
- dest->push_back((val >> 8) & 0xFF);
- dest->push_back((val >> 0) & 0xFF);
-}
-
-inline void putU32(std::vector<u8> *dest, u32 val)
-{
- dest->push_back((val >> 24) & 0xFF);
- dest->push_back((val >> 16) & 0xFF);
- dest->push_back((val >> 8) & 0xFF);
- dest->push_back((val >> 0) & 0xFF);
-}
-
-inline void putU64(std::vector<u8> *dest, u64 val)
-{
- dest->push_back((val >> 56) & 0xFF);
- dest->push_back((val >> 48) & 0xFF);
- dest->push_back((val >> 40) & 0xFF);
- dest->push_back((val >> 32) & 0xFF);
- dest->push_back((val >> 24) & 0xFF);
- dest->push_back((val >> 16) & 0xFF);
- dest->push_back((val >> 8) & 0xFF);
- dest->push_back((val >> 0) & 0xFF);
-}
-
-inline void putS8(std::vector<u8> *dest, s8 val)
-{
- putU8(dest, val);
-}
-
-inline void putS16(std::vector<u8> *dest, s16 val)
-{
- putU16(dest, val);
-}
-
-inline void putS32(std::vector<u8> *dest, s32 val)
-{
- putU32(dest, val);
-}
-
-inline void putS64(std::vector<u8> *dest, s64 val)
-{
- putU64(dest, val);
-}
-
-inline void putF1000(std::vector<u8> *dest, f32 val)
-{
- putS32(dest, val * FIXEDPOINT_FACTOR);
-}
-
-inline void putV2S16(std::vector<u8> *dest, v2s16 val)
-{
- putS16(dest, val.X);
- putS16(dest, val.Y);
-}
-
-inline void putV3S16(std::vector<u8> *dest, v3s16 val)
-{
- putS16(dest, val.X);
- putS16(dest, val.Y);
- putS16(dest, val.Z);
-}
-
-inline void putV2S32(std::vector<u8> *dest, v2s32 val)
-{
- putS32(dest, val.X);
- putS32(dest, val.Y);
-}
-
-inline void putV3S32(std::vector<u8> *dest, v3s32 val)
-{
- putS32(dest, val.X);
- putS32(dest, val.Y);
- putS32(dest, val.Z);
-}
-
-inline void putV3F1000(std::vector<u8> *dest, v3f val)
-{
- putF1000(dest, val.X);
- putF1000(dest, val.Y);
- putF1000(dest, val.Z);
-}
-
-inline void putARGB8(std::vector<u8> *dest, video::SColor val)
-{
- putU32(dest, val.color);
-}
-
-inline void putString(std::vector<u8> *dest, const std::string &val)
-{
- if (val.size() > STRING_MAX_LEN)
- throw SerializationError("String too long");
-
- putU16(dest, val.size());
- dest->insert(dest->end(), val.begin(), val.end());
-}
-
-inline void putWideString(std::vector<u8> *dest, const std::wstring &val)
-{
- if (val.size() > WIDE_STRING_MAX_LEN)
- throw SerializationError("String too long");
-
- putU16(dest, val.size());
- for (size_t i = 0; i != val.size(); i++)
- putU16(dest, val[i]);
-}
-
-inline void putLongString(std::vector<u8> *dest, const std::string &val)
-{
- if (val.size() > LONG_STRING_MAX_LEN)
- throw SerializationError("String too long");
-
- putU32(dest, val.size());
- dest->insert(dest->end(), val.begin(), val.end());
-}
-
-inline void putRawData(std::vector<u8> *dest, const void *src, size_t len)
-{
- dest->insert(dest->end(), (u8 *)src, (u8 *)src + len);
-}