/usr/include/KF5/wtf/ASCIICType.h is in libkf5kjs-dev 5.28.0-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* Copyright (C) 2007, 2008 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. 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.
* 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of
* its contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY APPLE AND ITS 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 APPLE OR ITS 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.
*/
#ifndef WTF_ASCIICType_h
#define WTF_ASCIICType_h
#include <wtf/Platform.h>
#include <wtf/Assertions.h>
// The behavior of many of the functions in the <ctype.h> header is dependent
// on the current locale. But in the WebKit project, all uses of those functions
// are in code processing something that's not locale-specific. These equivalents
// for some of the <ctype.h> functions are named more explicitly, not dependent
// on the C library locale, and we should also optimize them as needed.
// All functions return false or leave the character unchanged if passed a character
// that is outside the range 0-7F. So they can be used on Unicode strings or
// characters if the intent is to do processing only if the character is ASCII.
namespace WTF
{
inline bool isASCIIAlpha(char c)
{
return (c | 0x20) >= 'a' && (c | 0x20) <= 'z';
}
inline bool isASCIIAlpha(unsigned short c)
{
return (c | 0x20) >= 'a' && (c | 0x20) <= 'z';
}
#if !COMPILER(MSVC) || defined(_NATIVE_WCHAR_T_DEFINED)
inline bool isASCIIAlpha(wchar_t c)
{
return (c | 0x20) >= 'a' && (c | 0x20) <= 'z';
}
#endif
inline bool isASCIIAlpha(int c)
{
return (c | 0x20) >= 'a' && (c | 0x20) <= 'z';
}
inline bool isASCIIAlphanumeric(char c)
{
return (c >= '0' && c <= '9') || ((c | 0x20) >= 'a' && (c | 0x20) <= 'z');
}
inline bool isASCIIAlphanumeric(unsigned short c)
{
return (c >= '0' && c <= '9') || ((c | 0x20) >= 'a' && (c | 0x20) <= 'z');
}
#if !COMPILER(MSVC) || defined(_NATIVE_WCHAR_T_DEFINED)
inline bool isASCIIAlphanumeric(wchar_t c)
{
return (c >= '0' && c <= '9') || ((c | 0x20) >= 'a' && (c | 0x20) <= 'z');
}
#endif
inline bool isASCIIAlphanumeric(int c)
{
return (c >= '0' && c <= '9') || ((c | 0x20) >= 'a' && (c | 0x20) <= 'z');
}
inline bool isASCIIDigit(char c)
{
return (c >= '0') & (c <= '9');
}
inline bool isASCIIDigit(unsigned short c)
{
return (c >= '0') & (c <= '9');
}
#if !COMPILER(MSVC) || defined(_NATIVE_WCHAR_T_DEFINED)
inline bool isASCIIDigit(wchar_t c)
{
return (c >= '0') & (c <= '9');
}
#endif
inline bool isASCIIDigit(int c)
{
return (c >= '0') & (c <= '9');
}
inline bool isASCIIHexDigit(char c)
{
return (c >= '0' && c <= '9') || ((c | 0x20) >= 'a' && (c | 0x20) <= 'f');
}
inline bool isASCIIHexDigit(unsigned short c)
{
return (c >= '0' && c <= '9') || ((c | 0x20) >= 'a' && (c | 0x20) <= 'f');
}
#if !COMPILER(MSVC) || defined(_NATIVE_WCHAR_T_DEFINED)
inline bool isASCIIHexDigit(wchar_t c)
{
return (c >= '0' && c <= '9') || ((c | 0x20) >= 'a' && (c | 0x20) <= 'f');
}
#endif
inline bool isASCIIHexDigit(int c)
{
return (c >= '0' && c <= '9') || ((c | 0x20) >= 'a' && (c | 0x20) <= 'f');
}
inline bool isASCIILower(char c)
{
return c >= 'a' && c <= 'z';
}
inline bool isASCIILower(unsigned short c)
{
return c >= 'a' && c <= 'z';
}
#if !COMPILER(MSVC) || defined(_NATIVE_WCHAR_T_DEFINED)
inline bool isASCIILower(wchar_t c)
{
return c >= 'a' && c <= 'z';
}
#endif
inline bool isASCIILower(int c)
{
return c >= 'a' && c <= 'z';
}
inline bool isASCIIUpper(char c)
{
return c >= 'A' && c <= 'Z';
}
inline bool isASCIIUpper(unsigned short c)
{
return c >= 'A' && c <= 'Z';
}
#if !COMPILER(MSVC) || defined(_NATIVE_WCHAR_T_DEFINED)
inline bool isASCIIUpper(wchar_t c)
{
return c >= 'A' && c <= 'Z';
}
#endif
inline bool isASCIIUpper(int c)
{
return c >= 'A' && c <= 'Z';
}
/*
Statistics from a run of Apple's page load test for callers of isASCIISpace:
character count
--------- -----
non-spaces 689383
20 space 294720
0A \n 89059
09 \t 28320
0D \r 0
0C \f 0
0B \v 0
*/
inline bool isASCIISpace(char c)
{
return c <= ' ' && (c == ' ' || (c <= 0xD && c >= 0x9));
}
inline bool isASCIISpace(unsigned short c)
{
return c <= ' ' && (c == ' ' || (c <= 0xD && c >= 0x9));
}
#if !COMPILER(MSVC) || defined(_NATIVE_WCHAR_T_DEFINED)
inline bool isASCIISpace(wchar_t c)
{
return c <= ' ' && (c == ' ' || (c <= 0xD && c >= 0x9));
}
#endif
inline bool isASCIISpace(int c)
{
return c <= ' ' && (c == ' ' || (c <= 0xD && c >= 0x9));
}
inline char toASCIILower(char c)
{
return c | ((c >= 'A' && c <= 'Z') << 5);
}
inline unsigned short toASCIILower(unsigned short c)
{
return c | ((c >= 'A' && c <= 'Z') << 5);
}
#if !COMPILER(MSVC) || defined(_NATIVE_WCHAR_T_DEFINED)
inline wchar_t toASCIILower(wchar_t c)
{
return c | ((c >= 'A' && c <= 'Z') << 5);
}
#endif
inline int toASCIILower(int c)
{
return c | ((c >= 'A' && c <= 'Z') << 5);
}
inline char toASCIIUpper(char c)
{
return static_cast<char>(c & ~((c >= 'a' && c <= 'z') << 5));
}
inline unsigned short toASCIIUpper(unsigned short c)
{
return static_cast<unsigned short>(c & ~((c >= 'a' && c <= 'z') << 5));
}
#if !COMPILER(MSVC) || defined(_NATIVE_WCHAR_T_DEFINED)
inline wchar_t toASCIIUpper(wchar_t c)
{
return static_cast<wchar_t>(c & ~((c >= 'a' && c <= 'z') << 5));
}
#endif
inline int toASCIIUpper(int c)
{
return static_cast<int>(c & ~((c >= 'a' && c <= 'z') << 5));
}
inline int toASCIIHexValue(char c)
{
ASSERT(isASCIIHexDigit(c));
return c < 'A' ? c - '0' : (c - 'A' + 10) & 0xF;
}
inline int toASCIIHexValue(unsigned short c)
{
ASSERT(isASCIIHexDigit(c));
return c < 'A' ? c - '0' : (c - 'A' + 10) & 0xF;
}
#if !COMPILER(MSVC) || defined(_NATIVE_WCHAR_T_DEFINED)
inline int toASCIIHexValue(wchar_t c)
{
ASSERT(isASCIIHexDigit(c));
return c < 'A' ? c - '0' : (c - 'A' + 10) & 0xF;
}
#endif
inline int toASCIIHexValue(int c)
{
ASSERT(isASCIIHexDigit(c));
return c < 'A' ? c - '0' : (c - 'A' + 10) & 0xF;
}
}
#endif
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