diff options
Diffstat (limited to 'src/util')
| -rw-r--r-- | src/util/CMakeLists.txt | 1 | ||||
| -rw-r--r-- | src/util/Optional.h | 32 | ||||
| -rw-r--r-- | src/util/base64.cpp | 29 | ||||
| -rw-r--r-- | src/util/numeric.cpp | 19 | ||||
| -rw-r--r-- | src/util/numeric.h | 4 | ||||
| -rwxr-xr-x | src/util/png.cpp | 68 | ||||
| -rwxr-xr-x | src/util/png.h | 27 | ||||
| -rw-r--r-- | src/util/pointer.h | 58 | ||||
| -rw-r--r-- | src/util/serialize.cpp | 5 | ||||
| -rw-r--r-- | src/util/string.cpp | 450 | ||||
| -rw-r--r-- | src/util/string.h | 43 |
11 files changed, 467 insertions, 269 deletions
diff --git a/src/util/CMakeLists.txt b/src/util/CMakeLists.txt index cd2e468d1..6bc97915f 100644 --- a/src/util/CMakeLists.txt +++ b/src/util/CMakeLists.txt @@ -15,4 +15,5 @@ set(UTIL_SRCS ${CMAKE_CURRENT_SOURCE_DIR}/string.cpp ${CMAKE_CURRENT_SOURCE_DIR}/srp.cpp ${CMAKE_CURRENT_SOURCE_DIR}/timetaker.cpp + ${CMAKE_CURRENT_SOURCE_DIR}/png.cpp PARENT_SCOPE) diff --git a/src/util/Optional.h b/src/util/Optional.h index 9c2842b43..eda7fff89 100644 --- a/src/util/Optional.h +++ b/src/util/Optional.h @@ -19,6 +19,7 @@ with this program; if not, write to the Free Software Foundation, Inc., #pragma once +#include <utility> #include "debug.h" struct nullopt_t @@ -43,18 +44,38 @@ class Optional public: Optional() noexcept {} Optional(nullopt_t) noexcept {} + Optional(const T &value) noexcept : m_has_value(true), m_value(value) {} + Optional(T &&value) noexcept : m_has_value(true), m_value(std::move(value)) {} + Optional(const Optional<T> &other) noexcept : m_has_value(other.m_has_value), m_value(other.m_value) + {} + Optional(Optional<T> &&other) noexcept : + m_has_value(other.m_has_value), m_value(std::move(other.m_value)) { + other.m_has_value = false; } - void operator=(nullopt_t) noexcept { m_has_value = false; } + Optional<T> &operator=(nullopt_t) noexcept { m_has_value = false; return *this; } - void operator=(const Optional<T> &other) noexcept + Optional<T> &operator=(const Optional<T> &other) noexcept { + if (&other == this) + return *this; m_has_value = other.m_has_value; m_value = other.m_value; + return *this; + } + + Optional<T> &operator=(Optional<T> &&other) noexcept + { + if (&other == this) + return *this; + m_has_value = other.m_has_value; + m_value = std::move(other.m_value); + other.m_has_value = false; + return *this; } T &value() @@ -71,6 +92,13 @@ public: const T &value_or(const T &def) const { return m_has_value ? m_value : def; } + // Unchecked access consistent with std::optional + T* operator->() { return &m_value; } + const T* operator->() const { return &m_value; } + + T& operator*() { return m_value; } + const T& operator*() const { return m_value; } + bool has_value() const noexcept { return m_has_value; } explicit operator bool() const { return m_has_value; } diff --git a/src/util/base64.cpp b/src/util/base64.cpp index 6e1584410..0c2455222 100644 --- a/src/util/base64.cpp +++ b/src/util/base64.cpp @@ -33,18 +33,39 @@ static const std::string base64_chars = "abcdefghijklmnopqrstuvwxyz" "0123456789+/"; +static const std::string base64_chars_padding_1 = "AEIMQUYcgkosw048"; +static const std::string base64_chars_padding_2 = "AQgw"; static inline bool is_base64(unsigned char c) { - return isalnum(c) || c == '+' || c == '/' || c == '='; + return (c >= '0' && c <= '9') + || (c >= 'A' && c <= 'Z') + || (c >= 'a' && c <= 'z') + || c == '+' || c == '/'; } bool base64_is_valid(std::string const& s) { - for (char i : s) - if (!is_base64(i)) + size_t i = 0; + for (; i < s.size(); ++i) + if (!is_base64(s[i])) + break; + unsigned char padding = 3 - ((i + 3) % 4); + if ((padding == 1 && base64_chars_padding_1.find(s[i - 1]) == std::string::npos) + || (padding == 2 && base64_chars_padding_2.find(s[i - 1]) == std::string::npos) + || padding == 3) + return false; + int actual_padding = s.size() - i; + // omission of padding characters is allowed + if (actual_padding == 0) + return true; + + // remaining characters (max. 2) may only be padding + for (; i < s.size(); ++i) + if (s[i] != '=') return false; - return true; + // number of padding characters needs to match + return padding == actual_padding; } std::string base64_encode(unsigned char const* bytes_to_encode, unsigned int in_len) { diff --git a/src/util/numeric.cpp b/src/util/numeric.cpp index 1af3f66be..702ddce95 100644 --- a/src/util/numeric.cpp +++ b/src/util/numeric.cpp @@ -106,10 +106,6 @@ u64 murmur_hash_64_ua(const void *key, int len, unsigned int seed) bool isBlockInSight(v3s16 blockpos_b, v3f camera_pos, v3f camera_dir, f32 camera_fov, f32 range, f32 *distance_ptr) { - // Maximum radius of a block. The magic number is - // sqrt(3.0) / 2.0 in literal form. - static constexpr const f32 block_max_radius = 0.866025403784f * MAP_BLOCKSIZE * BS; - v3s16 blockpos_nodes = blockpos_b * MAP_BLOCKSIZE; // Block center position @@ -123,7 +119,7 @@ bool isBlockInSight(v3s16 blockpos_b, v3f camera_pos, v3f camera_dir, v3f blockpos_relative = blockpos - camera_pos; // Total distance - f32 d = MYMAX(0, blockpos_relative.getLength() - block_max_radius); + f32 d = MYMAX(0, blockpos_relative.getLength() - BLOCK_MAX_RADIUS); if (distance_ptr) *distance_ptr = d; @@ -141,7 +137,7 @@ bool isBlockInSight(v3s16 blockpos_b, v3f camera_pos, v3f camera_dir, // such that a block that has any portion visible with the // current camera position will have the center visible at the // adjusted postion - f32 adjdist = block_max_radius / cos((M_PI - camera_fov) / 2); + f32 adjdist = BLOCK_MAX_RADIUS / cos((M_PI - camera_fov) / 2); // Block position relative to adjusted camera v3f blockpos_adj = blockpos - (camera_pos - camera_dir * adjdist); @@ -163,7 +159,7 @@ bool isBlockInSight(v3s16 blockpos_b, v3f camera_pos, v3f camera_dir, return true; } -s16 adjustDist(s16 dist, float zoom_fov) +inline float adjustDist(float dist, float zoom_fov) { // 1.775 ~= 72 * PI / 180 * 1.4, the default FOV on the client. // The heuristic threshold for zooming is half of that. @@ -171,8 +167,13 @@ s16 adjustDist(s16 dist, float zoom_fov) if (zoom_fov < 0.001f || zoom_fov > threshold_fov) return dist; - return std::round(dist * std::cbrt((1.0f - std::cos(threshold_fov)) / - (1.0f - std::cos(zoom_fov / 2.0f)))); + return dist * std::cbrt((1.0f - std::cos(threshold_fov)) / + (1.0f - std::cos(zoom_fov / 2.0f))); +} + +s16 adjustDist(s16 dist, float zoom_fov) +{ + return std::round(adjustDist((float)dist, zoom_fov)); } void setPitchYawRollRad(core::matrix4 &m, const v3f &rot) diff --git a/src/util/numeric.h b/src/util/numeric.h index 864ab7543..32a6f4312 100644 --- a/src/util/numeric.h +++ b/src/util/numeric.h @@ -20,6 +20,7 @@ with this program; if not, write to the Free Software Foundation, Inc., #pragma once #include "basic_macros.h" +#include "constants.h" #include "irrlichttypes.h" #include "irr_v2d.h" #include "irr_v3d.h" @@ -36,6 +37,9 @@ with this program; if not, write to the Free Software Foundation, Inc., y = temp; \ } while (0) +// Maximum radius of a block. The magic number is +// sqrt(3.0) / 2.0 in literal form. +static constexpr const f32 BLOCK_MAX_RADIUS = 0.866025403784f * MAP_BLOCKSIZE * BS; inline s16 getContainerPos(s16 p, s16 d) { diff --git a/src/util/png.cpp b/src/util/png.cpp new file mode 100755 index 000000000..698cbc9a5 --- /dev/null +++ b/src/util/png.cpp @@ -0,0 +1,68 @@ +/* +Minetest +Copyright (C) 2021 hecks + +This program is free software; you can redistribute it and/or modify +it under the terms of the GNU Lesser General Public License as published by +the Free Software Foundation; either version 2.1 of the License, or +(at your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU Lesser General Public License for more details. + +You should have received a copy of the GNU Lesser General Public License along +with this program; if not, write to the Free Software Foundation, Inc., +51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. +*/ + +#include "png.h" +#include <string> +#include <sstream> +#include <zlib.h> +#include <cassert> +#include "util/serialize.h" +#include "serialization.h" +#include "irrlichttypes.h" + +static void writeChunk(std::ostringstream &target, const std::string &chunk_str) +{ + assert(chunk_str.size() >= 4); + assert(chunk_str.size() - 4 < U32_MAX); + writeU32(target, chunk_str.size() - 4); // Write length minus the identifier + target << chunk_str; + writeU32(target, crc32(0,(const u8*)chunk_str.data(), chunk_str.size())); +} + +std::string encodePNG(const u8 *data, u32 width, u32 height, s32 compression) +{ + std::ostringstream file(std::ios::binary); + file << "\x89PNG\r\n\x1a\n"; + + { + std::ostringstream IHDR(std::ios::binary); + IHDR << "IHDR"; + writeU32(IHDR, width); + writeU32(IHDR, height); + // 8 bpp, color type 6 (RGBA) + IHDR.write("\x08\x06\x00\x00\x00", 5); + writeChunk(file, IHDR.str()); + } + + { + std::ostringstream IDAT(std::ios::binary); + IDAT << "IDAT"; + std::ostringstream scanlines(std::ios::binary); + for(u32 i = 0; i < height; i++) { + scanlines.write("\x00", 1); // Null predictor + scanlines.write((const char*) data + width * 4 * i, width * 4); + } + compressZlib(scanlines.str(), IDAT, compression); + writeChunk(file, IDAT.str()); + } + + file.write("\x00\x00\x00\x00IEND\xae\x42\x60\x82", 12); + + return file.str(); +} diff --git a/src/util/png.h b/src/util/png.h new file mode 100755 index 000000000..92387aef0 --- /dev/null +++ b/src/util/png.h @@ -0,0 +1,27 @@ +/* +Minetest +Copyright (C) 2021 hecks + +This program is free software; you can redistribute it and/or modify +it under the terms of the GNU Lesser General Public License as published by +the Free Software Foundation; either version 2.1 of the License, or +(at your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU Lesser General Public License for more details. + +You should have received a copy of the GNU Lesser General Public License along +with this program; if not, write to the Free Software Foundation, Inc., +51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. +*/ + +#pragma once + +#include <string> +#include "irrlichttypes.h" + +/* Simple PNG encoder. Encodes an RGBA image with no predictors. + Returns a binary string. */ +std::string encodePNG(const u8 *data, u32 width, u32 height, s32 compression); diff --git a/src/util/pointer.h b/src/util/pointer.h index 7fc5de551..245ac85bf 100644 --- a/src/util/pointer.h +++ b/src/util/pointer.h @@ -22,6 +22,21 @@ with this program; if not, write to the Free Software Foundation, Inc., #include "irrlichttypes.h" #include "debug.h" // For assert() #include <cstring> +#include <memory> // std::shared_ptr + + +template<typename T> class ConstSharedPtr { +public: + ConstSharedPtr(T *ptr) : ptr(ptr) {} + ConstSharedPtr(const std::shared_ptr<T> &ptr) : ptr(ptr) {} + + const T* get() const noexcept { return ptr.get(); } + const T& operator*() const noexcept { return *ptr.get(); } + const T* operator->() const noexcept { return ptr.get(); } + +private: + std::shared_ptr<T> ptr; +}; template <typename T> class Buffer @@ -40,17 +55,11 @@ public: else data = NULL; } - Buffer(const Buffer &buffer) - { - m_size = buffer.m_size; - if(m_size != 0) - { - data = new T[buffer.m_size]; - memcpy(data, buffer.data, buffer.m_size); - } - else - data = NULL; - } + + // Disable class copy + Buffer(const Buffer &) = delete; + Buffer &operator=(const Buffer &) = delete; + Buffer(Buffer &&buffer) { m_size = buffer.m_size; @@ -81,21 +90,6 @@ public: drop(); } - Buffer& operator=(const Buffer &buffer) - { - if(this == &buffer) - return *this; - drop(); - m_size = buffer.m_size; - if(m_size != 0) - { - data = new T[buffer.m_size]; - memcpy(data, buffer.data, buffer.m_size); - } - else - data = NULL; - return *this; - } Buffer& operator=(Buffer &&buffer) { if(this == &buffer) @@ -113,6 +107,18 @@ public: return *this; } + void copyTo(Buffer &buffer) const + { + buffer.drop(); + buffer.m_size = m_size; + if (m_size != 0) { + buffer.data = new T[m_size]; + memcpy(buffer.data, data, m_size); + } else { + buffer.data = nullptr; + } + } + T & operator[](unsigned int i) const { return data[i]; diff --git a/src/util/serialize.cpp b/src/util/serialize.cpp index d770101f2..281061229 100644 --- a/src/util/serialize.cpp +++ b/src/util/serialize.cpp @@ -248,7 +248,7 @@ std::string serializeJsonStringIfNeeded(const std::string &s) std::string deSerializeJsonStringIfNeeded(std::istream &is) { - std::ostringstream tmp_os; + std::stringstream tmp_os(std::ios_base::binary | std::ios_base::in | std::ios_base::out); bool expect_initial_quote = true; bool is_json = false; bool was_backslash = false; @@ -280,8 +280,7 @@ std::string deSerializeJsonStringIfNeeded(std::istream &is) expect_initial_quote = false; } if (is_json) { - std::istringstream tmp_is(tmp_os.str(), std::ios::binary); - return deSerializeJsonString(tmp_is); + return deSerializeJsonString(tmp_os); } return tmp_os.str(); diff --git a/src/util/string.cpp b/src/util/string.cpp index 611ad35cb..bc4664997 100644 --- a/src/util/string.cpp +++ b/src/util/string.cpp @@ -30,7 +30,7 @@ with this program; if not, write to the Free Software Foundation, Inc., #include <array> #include <sstream> #include <iomanip> -#include <map> +#include <unordered_map> #ifndef _WIN32 #include <iconv.h> @@ -39,15 +39,16 @@ with this program; if not, write to the Free Software Foundation, Inc., #include <windows.h> #endif -#if defined(_ICONV_H_) && (defined(__FreeBSD__) || defined(__NetBSD__) || \ - defined(__OpenBSD__) || defined(__DragonFly__)) +#ifdef __NetBSD__ + #include <sys/param.h> + #if __NetBSD_Version__ <= 999001500 + #define BSD_ICONV_USED + #endif +#elif defined(_ICONV_H_) && (defined(__FreeBSD__) || defined(__OpenBSD__) || \ + defined(__DragonFly__)) #define BSD_ICONV_USED #endif -static bool parseHexColorString(const std::string &value, video::SColor &color, - unsigned char default_alpha = 0xff); -static bool parseNamedColorString(const std::string &value, video::SColor &color); - #ifndef _WIN32 static bool convert(const char *to, const char *from, char *outbuf, @@ -83,6 +84,14 @@ static bool convert(const char *to, const char *from, char *outbuf, #ifdef __ANDROID__ // On Android iconv disagrees how big a wchar_t is for whatever reason const char *DEFAULT_ENCODING = "UTF-32LE"; +#elif defined(__NetBSD__) + // NetBSD does not allow "WCHAR_T" as a charset input to iconv. + #include <sys/endian.h> + #if BYTE_ORDER == BIG_ENDIAN + const char *DEFAULT_ENCODING = "UTF-32BE"; + #else + const char *DEFAULT_ENCODING = "UTF-32LE"; + #endif #else const char *DEFAULT_ENCODING = "WCHAR_T"; #endif @@ -98,7 +107,7 @@ std::wstring utf8_to_wide(const std::string &input) std::wstring out; out.resize(outbuf_size / sizeof(wchar_t)); -#ifdef __ANDROID__ +#if defined(__ANDROID__) || defined(__NetBSD__) SANITY_CHECK(sizeof(wchar_t) == 4); #endif @@ -324,29 +333,10 @@ u64 read_seed(const char *str) return num; } -bool parseColorString(const std::string &value, video::SColor &color, bool quiet, - unsigned char default_alpha) -{ - bool success; - - if (value[0] == '#') - success = parseHexColorString(value, color, default_alpha); - else - success = parseNamedColorString(value, color); - - if (!success && !quiet) - errorstream << "Invalid color: \"" << value << "\"" << std::endl; - - return success; -} - static bool parseHexColorString(const std::string &value, video::SColor &color, unsigned char default_alpha) { - unsigned char components[] = { 0x00, 0x00, 0x00, default_alpha }; // R,G,B,A - - if (value[0] != '#') - return false; + u8 components[] = {0x00, 0x00, 0x00, default_alpha}; // R,G,B,A size_t len = value.size(); bool short_form; @@ -358,198 +348,182 @@ static bool parseHexColorString(const std::string &value, video::SColor &color, else return false; - bool success = true; - for (size_t pos = 1, cc = 0; pos < len; pos++, cc++) { - assert(cc < sizeof components / sizeof components[0]); if (short_form) { - unsigned char d; - if (!hex_digit_decode(value[pos], d)) { - success = false; - break; - } + u8 d; + if (!hex_digit_decode(value[pos], d)) + return false; + components[cc] = (d & 0xf) << 4 | (d & 0xf); } else { - unsigned char d1, d2; + u8 d1, d2; if (!hex_digit_decode(value[pos], d1) || - !hex_digit_decode(value[pos+1], d2)) { - success = false; - break; - } + !hex_digit_decode(value[pos+1], d2)) + return false; + components[cc] = (d1 & 0xf) << 4 | (d2 & 0xf); - pos++; // skip the second digit -- it's already used + pos++; // skip the second digit -- it's already used } } - if (success) { - color.setRed(components[0]); - color.setGreen(components[1]); - color.setBlue(components[2]); - color.setAlpha(components[3]); - } + color.setRed(components[0]); + color.setGreen(components[1]); + color.setBlue(components[2]); + color.setAlpha(components[3]); - return success; + return true; } -struct ColorContainer { - ColorContainer(); - std::map<const std::string, u32> colors; +const static std::unordered_map<std::string, u32> s_named_colors = { + {"aliceblue", 0xf0f8ff}, + {"antiquewhite", 0xfaebd7}, + {"aqua", 0x00ffff}, + {"aquamarine", 0x7fffd4}, + {"azure", 0xf0ffff}, + {"beige", 0xf5f5dc}, + {"bisque", 0xffe4c4}, + {"black", 00000000}, + {"blanchedalmond", 0xffebcd}, + {"blue", 0x0000ff}, + {"blueviolet", 0x8a2be2}, + {"brown", 0xa52a2a}, + {"burlywood", 0xdeb887}, + {"cadetblue", 0x5f9ea0}, + {"chartreuse", 0x7fff00}, + {"chocolate", 0xd2691e}, + {"coral", 0xff7f50}, + {"cornflowerblue", 0x6495ed}, + {"cornsilk", 0xfff8dc}, + {"crimson", 0xdc143c}, + {"cyan", 0x00ffff}, + {"darkblue", 0x00008b}, + {"darkcyan", 0x008b8b}, + {"darkgoldenrod", 0xb8860b}, + {"darkgray", 0xa9a9a9}, + {"darkgreen", 0x006400}, + {"darkgrey", 0xa9a9a9}, + {"darkkhaki", 0xbdb76b}, + {"darkmagenta", 0x8b008b}, + {"darkolivegreen", 0x556b2f}, + {"darkorange", 0xff8c00}, + {"darkorchid", 0x9932cc}, + {"darkred", 0x8b0000}, + {"darksalmon", 0xe9967a}, + {"darkseagreen", 0x8fbc8f}, + {"darkslateblue", 0x483d8b}, + {"darkslategray", 0x2f4f4f}, + {"darkslategrey", 0x2f4f4f}, + {"darkturquoise", 0x00ced1}, + {"darkviolet", 0x9400d3}, + {"deeppink", 0xff1493}, + {"deepskyblue", 0x00bfff}, + {"dimgray", 0x696969}, + {"dimgrey", 0x696969}, + {"dodgerblue", 0x1e90ff}, + {"firebrick", 0xb22222}, + {"floralwhite", 0xfffaf0}, + {"forestgreen", 0x228b22}, + {"fuchsia", 0xff00ff}, + {"gainsboro", 0xdcdcdc}, + {"ghostwhite", 0xf8f8ff}, + {"gold", 0xffd700}, + {"goldenrod", 0xdaa520}, + {"gray", 0x808080}, + {"green", 0x008000}, + {"greenyellow", 0xadff2f}, + {"grey", 0x808080}, + {"honeydew", 0xf0fff0}, + {"hotpink", 0xff69b4}, + {"indianred", 0xcd5c5c}, + {"indigo", 0x4b0082}, + {"ivory", 0xfffff0}, + {"khaki", 0xf0e68c}, + {"lavender", 0xe6e6fa}, + {"lavenderblush", 0xfff0f5}, + {"lawngreen", 0x7cfc00}, + {"lemonchiffon", 0xfffacd}, + {"lightblue", 0xadd8e6}, + {"lightcoral", 0xf08080}, + {"lightcyan", 0xe0ffff}, + {"lightgoldenrodyellow", 0xfafad2}, + {"lightgray", 0xd3d3d3}, + {"lightgreen", 0x90ee90}, + {"lightgrey", 0xd3d3d3}, + {"lightpink", 0xffb6c1}, + {"lightsalmon", 0xffa07a}, + {"lightseagreen", 0x20b2aa}, + {"lightskyblue", 0x87cefa}, + {"lightslategray", 0x778899}, + {"lightslategrey", 0x778899}, + {"lightsteelblue", 0xb0c4de}, + {"lightyellow", 0xffffe0}, + {"lime", 0x00ff00}, + {"limegreen", 0x32cd32}, + {"linen", 0xfaf0e6}, + {"magenta", 0xff00ff}, + {"maroon", 0x800000}, + {"mediumaquamarine", 0x66cdaa}, + {"mediumblue", 0x0000cd}, + {"mediumorchid", 0xba55d3}, + {"mediumpurple", 0x9370db}, + {"mediumseagreen", 0x3cb371}, + {"mediumslateblue", 0x7b68ee}, + {"mediumspringgreen", 0x00fa9a}, + {"mediumturquoise", 0x48d1cc}, + {"mediumvioletred", 0xc71585}, + {"midnightblue", 0x191970}, + {"mintcream", 0xf5fffa}, + {"mistyrose", 0xffe4e1}, + {"moccasin", 0xffe4b5}, + {"navajowhite", 0xffdead}, + {"navy", 0x000080}, + {"oldlace", 0xfdf5e6}, + {"olive", 0x808000}, + {"olivedrab", 0x6b8e23}, + {"orange", 0xffa500}, + {"orangered", 0xff4500}, + {"orchid", 0xda70d6}, + {"palegoldenrod", 0xeee8aa}, + {"palegreen", 0x98fb98}, + {"paleturquoise", 0xafeeee}, + {"palevioletred", 0xdb7093}, + {"papayawhip", 0xffefd5}, + {"peachpuff", 0xffdab9}, + {"peru", 0xcd853f}, + {"pink", 0xffc0cb}, + {"plum", 0xdda0dd}, + {"powderblue", 0xb0e0e6}, + {"purple", 0x800080}, + {"red", 0xff0000}, + {"rosybrown", 0xbc8f8f}, + {"royalblue", 0x4169e1}, + {"saddlebrown", 0x8b4513}, + {"salmon", 0xfa8072}, + {"sandybrown", 0xf4a460}, + {"seagreen", 0x2e8b57}, + {"seashell", 0xfff5ee}, + {"sienna", 0xa0522d}, + {"silver", 0xc0c0c0}, + {"skyblue", 0x87ceeb}, + {"slateblue", 0x6a5acd}, + {"slategray", 0x708090}, + {"slategrey", 0x708090}, + {"snow", 0xfffafa}, + {"springgreen", 0x00ff7f}, + {"steelblue", 0x4682b4}, + {"tan", 0xd2b48c}, + {"teal", 0x008080}, + {"thistle", 0xd8bfd8}, + {"tomato", 0xff6347}, + {"turquoise", 0x40e0d0}, + {"violet", 0xee82ee}, + {"wheat", 0xf5deb3}, + {"white", 0xffffff}, + {"whitesmoke", 0xf5f5f5}, + {"yellow", 0xffff00}, + {"yellowgreen", 0x9acd32} }; -ColorContainer::ColorContainer() -{ - colors["aliceblue"] = 0xf0f8ff; - colors["antiquewhite"] = 0xfaebd7; - colors["aqua"] = 0x00ffff; - colors["aquamarine"] = 0x7fffd4; - colors["azure"] = 0xf0ffff; - colors["beige"] = 0xf5f5dc; - colors["bisque"] = 0xffe4c4; - colors["black"] = 00000000; - colors["blanchedalmond"] = 0xffebcd; - colors["blue"] = 0x0000ff; - colors["blueviolet"] = 0x8a2be2; - colors["brown"] = 0xa52a2a; - colors["burlywood"] = 0xdeb887; - colors["cadetblue"] = 0x5f9ea0; - colors["chartreuse"] = 0x7fff00; - colors["chocolate"] = 0xd2691e; - colors["coral"] = 0xff7f50; - colors["cornflowerblue"] = 0x6495ed; - colors["cornsilk"] = 0xfff8dc; - colors["crimson"] = 0xdc143c; - colors["cyan"] = 0x00ffff; - colors["darkblue"] = 0x00008b; - colors["darkcyan"] = 0x008b8b; - colors["darkgoldenrod"] = 0xb8860b; - colors["darkgray"] = 0xa9a9a9; - colors["darkgreen"] = 0x006400; - colors["darkgrey"] = 0xa9a9a9; - colors["darkkhaki"] = 0xbdb76b; - colors["darkmagenta"] = 0x8b008b; - colors["darkolivegreen"] = 0x556b2f; - colors["darkorange"] = 0xff8c00; - colors["darkorchid"] = 0x9932cc; - colors["darkred"] = 0x8b0000; - colors["darksalmon"] = 0xe9967a; - colors["darkseagreen"] = 0x8fbc8f; - colors["darkslateblue"] = 0x483d8b; - colors["darkslategray"] = 0x2f4f4f; - colors["darkslategrey"] = 0x2f4f4f; - colors["darkturquoise"] = 0x00ced1; - colors["darkviolet"] = 0x9400d3; - colors["deeppink"] = 0xff1493; - colors["deepskyblue"] = 0x00bfff; - colors["dimgray"] = 0x696969; - colors["dimgrey"] = 0x696969; - colors["dodgerblue"] = 0x1e90ff; - colors["firebrick"] = 0xb22222; - colors["floralwhite"] = 0xfffaf0; - colors["forestgreen"] = 0x228b22; - colors["fuchsia"] = 0xff00ff; - colors["gainsboro"] = 0xdcdcdc; - colors["ghostwhite"] = 0xf8f8ff; - colors["gold"] = 0xffd700; - colors["goldenrod"] = 0xdaa520; - colors["gray"] = 0x808080; - colors["green"] = 0x008000; - colors["greenyellow"] = 0xadff2f; - colors["grey"] = 0x808080; - colors["honeydew"] = 0xf0fff0; - colors["hotpink"] = 0xff69b4; - colors["indianred"] = 0xcd5c5c; - colors["indigo"] = 0x4b0082; - colors["ivory"] = 0xfffff0; - colors["khaki"] = 0xf0e68c; - colors["lavender"] = 0xe6e6fa; - colors["lavenderblush"] = 0xfff0f5; - colors["lawngreen"] = 0x7cfc00; - colors["lemonchiffon"] = 0xfffacd; - colors["lightblue"] = 0xadd8e6; - colors["lightcoral"] = 0xf08080; - colors["lightcyan"] = 0xe0ffff; - colors["lightgoldenrodyellow"] = 0xfafad2; - colors["lightgray"] = 0xd3d3d3; - colors["lightgreen"] = 0x90ee90; - colors["lightgrey"] = 0xd3d3d3; - colors["lightpink"] = 0xffb6c1; - colors["lightsalmon"] = 0xffa07a; - colors["lightseagreen"] = 0x20b2aa; - colors["lightskyblue"] = 0x87cefa; - colors["lightslategray"] = 0x778899; - colors["lightslategrey"] = 0x778899; - colors["lightsteelblue"] = 0xb0c4de; - colors["lightyellow"] = 0xffffe0; - colors["lime"] = 0x00ff00; - colors["limegreen"] = 0x32cd32; - colors["linen"] = 0xfaf0e6; - colors["magenta"] = 0xff00ff; - colors["maroon"] = 0x800000; - colors["mediumaquamarine"] = 0x66cdaa; - colors["mediumblue"] = 0x0000cd; - colors["mediumorchid"] = 0xba55d3; - colors["mediumpurple"] = 0x9370db; - colors["mediumseagreen"] = 0x3cb371; - colors["mediumslateblue"] = 0x7b68ee; - colors["mediumspringgreen"] = 0x00fa9a; - colors["mediumturquoise"] = 0x48d1cc; - colors["mediumvioletred"] = 0xc71585; - colors["midnightblue"] = 0x191970; - colors["mintcream"] = 0xf5fffa; - colors["mistyrose"] = 0xffe4e1; - colors["moccasin"] = 0xffe4b5; - colors["navajowhite"] = 0xffdead; - colors["navy"] = 0x000080; - colors["oldlace"] = 0xfdf5e6; - colors["olive"] = 0x808000; - colors["olivedrab"] = 0x6b8e23; - colors["orange"] = 0xffa500; - colors["orangered"] = 0xff4500; - colors["orchid"] = 0xda70d6; - colors["palegoldenrod"] = 0xeee8aa; - colors["palegreen"] = 0x98fb98; - colors["paleturquoise"] = 0xafeeee; - colors["palevioletred"] = 0xdb7093; - colors["papayawhip"] = 0xffefd5; - colors["peachpuff"] = 0xffdab9; - colors["peru"] = 0xcd853f; - colors["pink"] = 0xffc0cb; - colors["plum"] = 0xdda0dd; - colors["powderblue"] = 0xb0e0e6; - colors["purple"] = 0x800080; - colors["red"] = 0xff0000; - colors["rosybrown"] = 0xbc8f8f; - colors["royalblue"] = 0x4169e1; - colors["saddlebrown"] = 0x8b4513; - colors["salmon"] = 0xfa8072; - colors["sandybrown"] = 0xf4a460; - colors["seagreen"] = 0x2e8b57; - colors["seashell"] = 0xfff5ee; - colors["sienna"] = 0xa0522d; - colors["silver"] = 0xc0c0c0; - colors["skyblue"] = 0x87ceeb; - colors["slateblue"] = 0x6a5acd; - colors["slategray"] = 0x708090; - colors["slategrey"] = 0x708090; - colors["snow"] = 0xfffafa; - colors["springgreen"] = 0x00ff7f; - colors["steelblue"] = 0x4682b4; - colors["tan"] = 0xd2b48c; - colors["teal"] = 0x008080; - colors["thistle"] = 0xd8bfd8; - colors["tomato"] = 0xff6347; - colors["turquoise"] = 0x40e0d0; - colors["violet"] = 0xee82ee; - colors["wheat"] = 0xf5deb3; - colors["white"] = 0xffffff; - colors["whitesmoke"] = 0xf5f5f5; - colors["yellow"] = 0xffff00; - colors["yellowgreen"] = 0x9acd32; - -} - -static const ColorContainer named_colors; - static bool parseNamedColorString(const std::string &value, video::SColor &color) { std::string color_name; @@ -570,9 +544,8 @@ static bool parseNamedColorString(const std::string &value, video::SColor &color color_name = lowercase(color_name); - std::map<const std::string, unsigned>::const_iterator it; - it = named_colors.colors.find(color_name); - if (it == named_colors.colors.end()) + auto it = s_named_colors.find(color_name); + if (it == s_named_colors.end()) return false; u32 color_temp = it->second; @@ -580,21 +553,26 @@ static bool parseNamedColorString(const std::string &value, video::SColor &color /* An empty string for alpha is ok (none of the color table entries * have an alpha value either). Color strings without an alpha specified * are interpreted as fully opaque - * - * For named colors the supplied alpha string (representing a hex value) - * must be exactly two digits. For example: colorname#08 */ if (!alpha_string.empty()) { - if (alpha_string.length() != 2) - return false; - - unsigned char d1, d2; - if (!hex_digit_decode(alpha_string.at(0), d1) - || !hex_digit_decode(alpha_string.at(1), d2)) + if (alpha_string.size() == 1) { + u8 d; + if (!hex_digit_decode(alpha_string[0], d)) + return false; + + color_temp |= ((d & 0xf) << 4 | (d & 0xf)) << 24; + } else if (alpha_string.size() == 2) { + u8 d1, d2; + if (!hex_digit_decode(alpha_string[0], d1) + || !hex_digit_decode(alpha_string[1], d2)) + return false; + + color_temp |= ((d1 & 0xf) << 4 | (d2 & 0xf)) << 24; + } else { return false; - color_temp |= ((d1 & 0xf) << 4 | (d2 & 0xf)) << 24; + } } else { - color_temp |= 0xff << 24; // Fully opaque + color_temp |= 0xff << 24; // Fully opaque } color = video::SColor(color_temp); @@ -602,6 +580,22 @@ static bool parseNamedColorString(const std::string &value, video::SColor &color return true; } +bool parseColorString(const std::string &value, video::SColor &color, bool quiet, + unsigned char default_alpha) +{ + bool success; + + if (value[0] == '#') + success = parseHexColorString(value, color, default_alpha); + else + success = parseNamedColorString(value, color); + + if (!success && !quiet) + errorstream << "Invalid color: \"" << value << "\"" << std::endl; + + return success; +} + void str_replace(std::string &str, char from, char to) { std::replace(str.begin(), str.end(), from, to); @@ -893,3 +887,19 @@ std::string sanitizeDirName(const std::string &str, const std::string &optional_ return wide_to_utf8(safe_name); } + + +void safe_print_string(std::ostream &os, const std::string &str) +{ + std::ostream::fmtflags flags = os.flags(); + os << std::hex; + for (const char c : str) { + if (IS_ASCII_PRINTABLE_CHAR(c) || IS_UTF8_MULTB_START(c) || + IS_UTF8_MULTB_INNER(c) || c == '\n' || c == '\t') { + os << c; + } else { + os << '<' << std::setw(2) << (int)c << '>'; + } + } + os.setf(flags); +} diff --git a/src/util/string.h b/src/util/string.h index d4afcaec8..8a9e83f22 100644 --- a/src/util/string.h +++ b/src/util/string.h @@ -661,24 +661,49 @@ inline const char *bool_to_cstr(bool val) return val ? "true" : "false"; } +/** + * Converts a duration in seconds to a pretty-printed duration in + * days, hours, minutes and seconds. + * + * @param sec duration in seconds + * @return pretty-printed duration + */ inline const std::string duration_to_string(int sec) { + std::ostringstream ss; + const char *neg = ""; + if (sec < 0) { + sec = -sec; + neg = "-"; + } + int total_sec = sec; int min = sec / 60; sec %= 60; int hour = min / 60; min %= 60; + int day = hour / 24; + hour %= 24; + + if (day > 0) { + ss << neg << day << "d"; + if (hour > 0 || min > 0 || sec > 0) + ss << " "; + } - std::stringstream ss; if (hour > 0) { - ss << hour << "h "; + ss << neg << hour << "h"; + if (min > 0 || sec > 0) + ss << " "; } if (min > 0) { - ss << min << "m "; + ss << neg << min << "min"; + if (sec > 0) + ss << " "; } - if (sec > 0) { - ss << sec << "s "; + if (sec > 0 || total_sec == 0) { + ss << neg << sec << "s"; } return ss.str(); @@ -728,3 +753,11 @@ inline irr::core::stringw utf8_to_stringw(const std::string &input) * 2. Remove 'unsafe' characters from the name by replacing them with '_' */ std::string sanitizeDirName(const std::string &str, const std::string &optional_prefix); + +/** + * Prints a sanitized version of a string without control characters. + * '\t' and '\n' are allowed, as are UTF-8 control characters (e.g. RTL). + * ASCII control characters are replaced with their hex encoding in angle + * brackets (e.g. "a\x1eb" -> "a<1e>b"). + */ +void safe_print_string(std::ostream &os, const std::string &str); |