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/*
* Copyright 2013-2020 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_COMPARE_HXX
#define WSTRING_COMPARE_HXX
#include "WStringView.hxx"
#include "WStringAPI.hxx"
#include "Compiler.h"
#include <string_view>
#include <wchar.h>
gcc_pure gcc_nonnull_all
static inline bool
StringIsEmpty(const wchar_t *string) noexcept
{
return *string == 0;
}
gcc_pure
static inline bool
StringIsEqual(std::wstring_view a, std::wstring_view b) noexcept
{
return a.size() == b.size() &&
StringIsEqual(a.data(), b.data(), b.size());
}
gcc_pure
static inline bool
StringIsEqualIgnoreCase(std::wstring_view a, std::wstring_view b) noexcept
{
return a.size() == b.size() &&
StringIsEqualIgnoreCase(a.data(), b.data(), b.size());
}
gcc_pure gcc_nonnull_all
static inline bool
StringStartsWith(const wchar_t *haystack, WStringView needle) noexcept
{
return StringIsEqual(haystack, needle.data, needle.size);
}
gcc_pure gcc_nonnull_all
bool
StringEndsWith(const wchar_t *haystack, const wchar_t *needle) noexcept;
gcc_pure gcc_nonnull_all
bool
StringEndsWithIgnoreCase(const wchar_t *haystack,
const wchar_t *needle) noexcept;
/**
* Returns the portion of the string after a prefix. If the string
* does not begin with the specified prefix, this function returns
* nullptr.
*/
gcc_pure gcc_nonnull_all
static inline const wchar_t *
StringAfterPrefix(const wchar_t *haystack, WStringView needle) noexcept
{
return StringStartsWith(haystack, needle)
? haystack + needle.size
: nullptr;
}
gcc_pure gcc_nonnull_all
static inline bool
StringStartsWithIgnoreCase(const wchar_t *haystack,
WStringView needle) noexcept
{
return StringIsEqualIgnoreCase(haystack, needle.data, needle.size);
}
/**
* Returns the portion of the string after a prefix. If the string
* does not begin with the specified prefix, this function returns
* nullptr.
* This function is case-independent.
*/
gcc_pure gcc_nonnull_all
static inline const wchar_t *
StringAfterPrefixIgnoreCase(const wchar_t *haystack, WStringView needle) noexcept
{
return StringStartsWithIgnoreCase(haystack, needle)
? haystack + needle.size
: nullptr;
}
/**
* Check if the given string ends with the specified suffix. If yes,
* returns the position of the suffix, and nullptr otherwise.
*/
gcc_pure gcc_nonnull_all
const wchar_t *
FindStringSuffix(const wchar_t *p, const wchar_t *suffix) noexcept;
#endif
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