111 lines
4 KiB
C++
111 lines
4 KiB
C++
/*************************************************************************/
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/* FBXParseTools.h */
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/*************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* https://godotengine.org */
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/*************************************************************************/
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/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */
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/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md). */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/*************************************************************************/
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#ifndef FBX_PARSE_TOOLS_H
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#define FBX_PARSE_TOOLS_H
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#include "core/error_macros.h"
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#include "core/ustring.h"
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#include <stdint.h>
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#include <algorithm>
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#include <locale>
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template <class char_t>
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inline bool IsNewLine(char_t c) {
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return c == '\n' || c == '\r';
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}
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template <class char_t>
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inline bool IsSpace(char_t c) {
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return (c == (char_t)' ' || c == (char_t)'\t');
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}
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template <class char_t>
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inline bool IsSpaceOrNewLine(char_t c) {
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return IsNewLine(c) || IsSpace(c);
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}
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template <class char_t>
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inline bool IsLineEnd(char_t c) {
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return (c == (char_t)'\r' || c == (char_t)'\n' || c == (char_t)'\0' || c == (char_t)'\f');
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}
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// ------------------------------------------------------------------------------------
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// Special version of the function, providing higher accuracy and safety
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// It is mainly used by fast_atof to prevent ugly and unwanted integer overflows.
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// ------------------------------------------------------------------------------------
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inline uint64_t strtoul10_64(const char *in, bool &errored, const char **out = nullptr, unsigned int *max_inout = nullptr) {
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unsigned int cur = 0;
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uint64_t value = 0;
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errored = *in < '0' || *in > '9';
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ERR_FAIL_COND_V_MSG(errored, 0, "The string cannot be converted parser error");
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for (;;) {
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if (*in < '0' || *in > '9') {
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break;
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}
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const uint64_t new_value = (value * (uint64_t)10) + ((uint64_t)(*in - '0'));
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// numeric overflow, we rely on you
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if (new_value < value) {
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//WARN_PRINT( "Converting the string \" " + in + " \" into a value resulted in overflow." );
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return 0;
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}
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value = new_value;
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++in;
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++cur;
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if (max_inout && *max_inout == cur) {
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if (out) { /* skip to end */
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while (*in >= '0' && *in <= '9') {
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++in;
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}
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*out = in;
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}
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return value;
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}
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}
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if (out) {
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*out = in;
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}
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if (max_inout) {
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*max_inout = cur;
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}
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return value;
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}
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#endif // FBX_PARSE_TOOLS_H
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