72 lines
2.2 KiB
C
72 lines
2.2 KiB
C
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// Copyright(c) 2016 YamaArashi
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// 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, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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// THE SOFTWARE.
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#ifndef CHAR_UTIL_H
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#define CHAR_UTIL_H
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#include <cstdint>
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#include <cassert>
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inline bool IsAscii(unsigned char c)
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{
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return (c < 128);
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}
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inline bool IsAsciiAlpha(unsigned char c)
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{
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return ((c >= 'A' && c <= 'Z') || (c >= 'a' && c <= 'z'));
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}
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inline bool IsAsciiDigit(unsigned char c)
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{
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return (c >= '0' && c <= '9');
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}
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inline bool IsAsciiHexDigit(unsigned char c)
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{
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return ((c >= '0' && c <= '9')
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|| (c >= 'a' && c <= 'f')
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|| (c >= 'A' && c <= 'F'));
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}
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inline bool IsAsciiAlphanum(unsigned char c)
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{
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return (IsAsciiAlpha(c) || IsAsciiDigit(c));
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}
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inline bool IsAsciiPrintable(unsigned char c)
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{
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return (c >= ' ' && c <= '~');
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}
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// Returns whether the character can start a C identifier or the identifier of a "{FOO}" constant in strings.
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inline bool IsIdentifierStartingChar(unsigned char c)
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{
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return IsAsciiAlpha(c) || c == '_';
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}
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// Returns whether the character can be used in a C identifier or the identifier of a "{FOO}" constant in strings.
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inline bool IsIdentifierChar(unsigned char c)
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{
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return IsAsciiAlphanum(c) || c == '_';
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}
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#endif // CHAR_UTIL_H
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