280 lines
10 KiB
C++
280 lines
10 KiB
C++
/*
|
|
Open Asset Import Library (assimp)
|
|
----------------------------------------------------------------------
|
|
|
|
Copyright (c) 2006-2021, 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>
|
|
|
|
#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(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 << (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
|