mpd/src/util/WStringAPI.hxx
2017-12-22 16:10:05 +01:00

174 lines
4.2 KiB
C++

/*
* Copyright (C) 2010-2017 Max Kellermann <max.kellermann@gmail.com>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - 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.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND 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 THE
* FOUNDATION OR 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 WSTRING_API_HXX
#define WSTRING_API_HXX
#include "Compiler.h"
#include <wchar.h>
gcc_pure gcc_nonnull_all
static inline size_t
StringLength(const wchar_t *p) noexcept
{
return wcslen(p);
}
gcc_pure gcc_nonnull_all
static inline const wchar_t *
StringFind(const wchar_t *haystack, const wchar_t *needle) noexcept
{
return wcsstr(haystack, needle);
}
gcc_pure gcc_nonnull_all
static inline const wchar_t *
StringFind(const wchar_t *haystack, wchar_t needle, size_t size) noexcept
{
return wmemchr(haystack, needle, size);
}
gcc_pure gcc_nonnull_all
static inline wchar_t *
StringFind(wchar_t *haystack, wchar_t needle, size_t size) noexcept
{
return wmemchr(haystack, needle, size);
}
gcc_pure gcc_nonnull_all
static inline const wchar_t *
StringFind(const wchar_t *haystack, wchar_t needle) noexcept
{
return wcschr(haystack, needle);
}
gcc_pure gcc_nonnull_all
static inline wchar_t *
StringFind(wchar_t *haystack, wchar_t needle) noexcept
{
return wcschr(haystack, needle);
}
gcc_pure gcc_nonnull_all
static inline const wchar_t *
StringFindLast(const wchar_t *haystack, wchar_t needle) noexcept
{
return wcsrchr(haystack, needle);
}
gcc_pure gcc_nonnull_all
static inline wchar_t *
StringFindLast(wchar_t *haystack, wchar_t needle) noexcept
{
return wcsrchr(haystack, needle);
}
gcc_nonnull_all
static inline void
UnsafeCopyString(wchar_t *dest, const wchar_t *src) noexcept
{
wcscpy(dest, src);
}
gcc_returns_nonnull gcc_nonnull_all
static inline wchar_t *
UnsafeCopyStringP(wchar_t *dest, const wchar_t *src) noexcept
{
#if defined(_WIN32) || defined(__BIONIC__) || defined(__OpenBSD__) || \
defined(__NetBSD__)
/* emulate wcpcpy() */
UnsafeCopyString(dest, src);
return dest + StringLength(dest);
#elif defined(__sun) && defined (__SVR4)
return std::wcpcpy(dest, src);
#else
return wcpcpy(dest, src);
#endif
}
/**
* Checks whether str1 and str2 are equal.
* @param str1 String 1
* @param str2 String 2
* @return True if equal, False otherwise
*/
gcc_pure gcc_nonnull_all
static inline bool
StringIsEqual(const wchar_t *str1, const wchar_t *str2) noexcept
{
return wcscmp(str1, str2) == 0;
}
/**
* Checks whether #a and #b are equal.
*/
gcc_pure gcc_nonnull_all
static inline bool
StringIsEqual(const wchar_t *a, const wchar_t *b, size_t length) noexcept
{
return wcsncmp(a, b, length) == 0;
}
#ifdef _WIN32
gcc_pure gcc_nonnull_all
static inline bool
StringIsEqualIgnoreCase(const wchar_t *a, const wchar_t *b) noexcept
{
return _wcsicmp(a, b) == 0;
}
gcc_pure gcc_nonnull_all
static inline bool
StringIsEqualIgnoreCase(const wchar_t *a, const wchar_t *b,
size_t size) noexcept
{
return _wcsnicmp(a, b, size) == 0;
}
#endif
#ifndef __BIONIC__
gcc_malloc gcc_returns_nonnull gcc_nonnull_all
static inline wchar_t *
DuplicateString(const wchar_t *p)
{
#if defined(__sun) && defined (__SVR4)
return std::wcsdup(p);
#else
return wcsdup(p);
#endif
}
#endif
#endif