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Diffstat (limited to 'modules/fbx/fbx_parser/FBXParseTools.h')
| -rw-r--r-- | modules/fbx/fbx_parser/FBXParseTools.h | 111 |
1 files changed, 111 insertions, 0 deletions
diff --git a/modules/fbx/fbx_parser/FBXParseTools.h b/modules/fbx/fbx_parser/FBXParseTools.h new file mode 100644 index 0000000000..edc52009b3 --- /dev/null +++ b/modules/fbx/fbx_parser/FBXParseTools.h @@ -0,0 +1,111 @@ +/*************************************************************************/ +/* FBXParseTools.h */ +/*************************************************************************/ +/* This file is part of: */ +/* GODOT ENGINE */ +/* https://godotengine.org */ +/*************************************************************************/ +/* Copyright (c) 2007-2020 Juan Linietsky, Ariel Manzur. */ +/* Copyright (c) 2014-2020 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 |