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Diffstat (limited to 'src/mesh/assimp-master/include/assimp/StringUtils.h')
| -rw-r--r-- | src/mesh/assimp-master/include/assimp/StringUtils.h | 279 |
1 files changed, 279 insertions, 0 deletions
diff --git a/src/mesh/assimp-master/include/assimp/StringUtils.h b/src/mesh/assimp-master/include/assimp/StringUtils.h new file mode 100644 index 0000000..59c6e9e --- /dev/null +++ b/src/mesh/assimp-master/include/assimp/StringUtils.h @@ -0,0 +1,279 @@ +/* +Open Asset Import Library (assimp) +---------------------------------------------------------------------- + +Copyright (c) 2006-2022, assimp team + +All rights reserved. + +Redistribution and use of this software in source and binary forms, +with or without modification, are permitted provided that the +following conditions are met: + +* Redistributions of source code must retain the above +copyright notice, this list of conditions and the +following disclaimer. + +* Redistributions in binary form must reproduce the above +copyright notice, this list of conditions and the +following disclaimer in the documentation and/or other +materials provided with the distribution. + +* Neither the name of the assimp team, nor the names of its +contributors may be used to endorse or promote products +derived from this software without specific prior +written permission of the assimp team. + +THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +---------------------------------------------------------------------- +*/ +#pragma once +#ifndef INCLUDED_AI_STRINGUTILS_H +#define INCLUDED_AI_STRINGUTILS_H + +#ifdef __GNUC__ +#pragma GCC system_header +#endif + +#include <assimp/defs.h> + +#include <cstdarg> +#include <algorithm> +#include <cctype> +#include <cstdlib> +#include <locale> +#include <sstream> +#include <iomanip> + +#ifdef _MSC_VER +#define AI_SIZEFMT "%Iu" +#else +#define AI_SIZEFMT "%zu" +#endif + +// --------------------------------------------------------------------------------- +/// @fn ai_snprintf +/// @brief The portable version of the function snprintf ( C99 standard ), which +/// works on visual studio compilers 2013 and earlier. +/// @param outBuf The buffer to write in +/// @param size The buffer size +/// @param format The format string +/// @param ap The additional arguments. +/// @return The number of written characters if the buffer size was big enough. +/// If an encoding error occurs, a negative number is returned. +// --------------------------------------------------------------------------------- +#if defined(_MSC_VER) && _MSC_VER < 1900 + +inline int c99_ai_vsnprintf(char *outBuf, size_t size, const char *format, va_list ap) { + int count(-1); + if (0 != size) { + count = _vsnprintf_s(outBuf, size, _TRUNCATE, format, ap); + } + if (count == -1) { + count = _vscprintf(format, ap); + } + + return count; +} + +inline int ai_snprintf(char *outBuf, size_t size, const char *format, ...) { + int count; + va_list ap; + + va_start(ap, format); + count = c99_ai_vsnprintf(outBuf, size, format, ap); + va_end(ap); + + return count; +} + +#elif defined(__MINGW32__) +#define ai_snprintf __mingw_snprintf +#else +#define ai_snprintf snprintf +#endif + +// --------------------------------------------------------------------------------- +/// @fn to_string +/// @brief The portable version of to_string ( some gcc-versions on embedded +/// devices are not supporting this). +/// @param value The value to write into the std::string. +/// @return The value as a std::string +// --------------------------------------------------------------------------------- +template <typename T> +AI_FORCE_INLINE std::string ai_to_string(T value) { + std::ostringstream os; + os << value; + + return os.str(); +} + +// --------------------------------------------------------------------------------- +/// @fn ai_strtof +/// @brief The portable version of strtof. +/// @param begin The first character of the string. +/// @param end The last character +/// @return The float value, 0.0f in case of an error. +// --------------------------------------------------------------------------------- +AI_FORCE_INLINE +float ai_strtof(const char *begin, const char *end) { + if (nullptr == begin) { + return 0.0f; + } + float val(0.0f); + if (nullptr == end) { + val = static_cast<float>(::atof(begin)); + } else { + std::string::size_type len(end - begin); + std::string token(begin, len); + val = static_cast<float>(::atof(token.c_str())); + } + + return val; +} + +// --------------------------------------------------------------------------------- +/// @fn DecimalToHexa +/// @brief The portable to convert a decimal value into a hexadecimal string. +/// @param toConvert Value to convert +/// @return The hexadecimal string, is empty in case of an error. +// --------------------------------------------------------------------------------- +template <class T> +AI_FORCE_INLINE std::string ai_decimal_to_hexa(T toConvert) { + std::string result; + std::stringstream ss; + ss << std::hex << toConvert; + ss >> result; + + for (size_t i = 0; i < result.size(); ++i) { + result[i] = (char)toupper((unsigned char)result[i]); + } + + return result; +} + +// --------------------------------------------------------------------------------- +/// @brief translate RGBA to String +/// @param r aiColor.r +/// @param g aiColor.g +/// @param b aiColor.b +/// @param a aiColor.a +/// @param with_head # +/// @return The hexadecimal string, is empty in case of an error. +// --------------------------------------------------------------------------------- +AI_FORCE_INLINE std::string ai_rgba2hex(int r, int g, int b, int a, bool with_head) { + std::stringstream ss; + if (with_head) { + ss << "#"; + } + ss << std::hex << std::setfill('0') << std::setw(8) << (r << 24 | g << 16 | b << 8 | a); + + return ss.str(); +} + +// --------------------------------------------------------------------------------- +/// @brief Performs a trim from start (in place) +/// @param s string to trim. +AI_FORCE_INLINE void ai_trim_left(std::string &s) { + s.erase(s.begin(), std::find_if(s.begin(), s.end(), [](unsigned char ch) { + return !std::isspace(ch); + })); +} + +// --------------------------------------------------------------------------------- +/// @brief Performs a trim from end (in place). +/// @param s string to trim. +// --------------------------------------------------------------------------------- +// --------------------------------------------------------------------------------- +AI_FORCE_INLINE void ai_trim_right(std::string &s) { + s.erase(std::find_if(s.rbegin(), s.rend(), [](unsigned char ch) { + return !std::isspace(ch); + }).base(), s.end()); +} + +// --------------------------------------------------------------------------------- +/// @brief Performs a trim from both ends (in place). +/// @param s string to trim. +// --------------------------------------------------------------------------------- +AI_FORCE_INLINE std::string ai_trim(std::string &s) { + std::string out(s); + ai_trim_left(out); + ai_trim_right(out); + + return out; +} + +// --------------------------------------------------------------------------------- +template <class char_t> +AI_FORCE_INLINE char_t ai_tolower(char_t in) { + return (in >= (char_t)'A' && in <= (char_t)'Z') ? (char_t)(in + 0x20) : in; +} + +// --------------------------------------------------------------------------------- +/// @brief Performs a ToLower-operation and return the lower-case string. +/// @param in The incoming string. +/// @return The string as lowercase. +// --------------------------------------------------------------------------------- +AI_FORCE_INLINE std::string ai_tolower(const std::string &in) { + std::string out(in); + ai_trim_left(out); + ai_trim_right(out); + std::transform(out.begin(), out.end(), out.begin(), [](unsigned char c) { return ai_tolower(c); }); + return out; +} + +// --------------------------------------------------------------------------------- +template <class char_t> +AI_FORCE_INLINE char_t ai_toupper(char_t in) { + return (in >= (char_t)'a' && in <= (char_t)'z') ? (char_t)(in - 0x20) : in; +} + +// --------------------------------------------------------------------------------- +/// @brief Performs a ToLower-operation and return the upper-case string. +/// @param in The incoming string. +/// @return The string as uppercase. +AI_FORCE_INLINE std::string ai_str_toupper(const std::string &in) { + std::string out(in); + std::transform(out.begin(), out.end(), out.begin(), [](char c) { return ai_toupper(c); }); + return out; +} + +// --------------------------------------------------------------------------------- +/// @brief Make a string printable by replacing all non-printable characters with +/// the specified placeholder character. +/// @param in The incoming string. +/// @param placeholder Placeholder character, default is a question mark. +/// @return The string, with all non-printable characters replaced. +AI_FORCE_INLINE std::string ai_str_toprintable(const std::string &in, char placeholder = '?') { + std::string out(in); + std::transform(out.begin(), out.end(), out.begin(), [placeholder] (unsigned char c) { + return isprint(c) ? (char)c : placeholder; + }); + return out; +} + +// --------------------------------------------------------------------------------- +/// @brief Make a string printable by replacing all non-printable characters with +/// the specified placeholder character. +/// @param in The incoming string. +/// @param len The length of the incoming string. +/// @param placeholder Placeholder character, default is a question mark. +/// @return The string, with all non-printable characters replaced. Will return an +/// empty string if in is null or len is <= 0. +AI_FORCE_INLINE std::string ai_str_toprintable(const char *in, int len, char placeholder = '?') { + return (in && len > 0) ? ai_str_toprintable(std::string(in, len), placeholder) : std::string(); +} + + +#endif // INCLUDED_AI_STRINGUTILS_H |