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/*************************************************************************/
/* FBXParseTools.h */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2021 Godot Engine contributors (cf. AUTHORS.md). */
/* */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the */
/* "Software"), to deal in the Software without restriction, including */
/* without limitation the rights to use, copy, modify, merge, publish, */
/* distribute, sublicense, and/or sell copies of the Software, and to */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions: */
/* */
/* The above copyright notice and this permission notice shall be */
/* included in all copies or substantial portions of the Software. */
/* */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
/*************************************************************************/
#ifndef FBX_PARSE_TOOLS_H
#define FBX_PARSE_TOOLS_H
#include "core/error/error_macros.h"
#include "core/string/ustring.h"
#include <stdint.h>
#include <algorithm>
#include <locale>
template <class char_t>
inline bool IsNewLine(char_t c) {
return c == '\n' || c == '\r';
}
template <class char_t>
inline bool IsSpace(char_t c) {
return (c == (char_t)' ' || c == (char_t)'\t');
}
template <class char_t>
inline bool IsSpaceOrNewLine(char_t c) {
return IsNewLine(c) || IsSpace(c);
}
template <class char_t>
inline bool IsLineEnd(char_t c) {
return (c == (char_t)'\r' || c == (char_t)'\n' || c == (char_t)'\0' || c == (char_t)'\f');
}
// ------------------------------------------------------------------------------------
// Special version of the function, providing higher accuracy and safety
// It is mainly used by fast_atof to prevent ugly and unwanted integer overflows.
// ------------------------------------------------------------------------------------
inline uint64_t strtoul10_64(const char *in, bool &errored, const char **out = 0, unsigned int *max_inout = 0) {
unsigned int cur = 0;
uint64_t value = 0;
errored = *in < '0' || *in > '9';
ERR_FAIL_COND_V_MSG(errored, 0, "The string cannot be converted parser error");
for (;;) {
if (*in < '0' || *in > '9') {
break;
}
const uint64_t new_value = (value * (uint64_t)10) + ((uint64_t)(*in - '0'));
// numeric overflow, we rely on you
if (new_value < value) {
//WARN_PRINT( "Converting the string \" " + in + " \" into a value resulted in overflow." );
return 0;
}
value = new_value;
++in;
++cur;
if (max_inout && *max_inout == cur) {
if (out) { /* skip to end */
while (*in >= '0' && *in <= '9') {
++in;
}
*out = in;
}
return value;
}
}
if (out) {
*out = in;
}
if (max_inout) {
*max_inout = cur;
}
return value;
}
#endif // FBX_PARSE_TOOLS_H
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