96 lines
2.6 KiB
C++
96 lines
2.6 KiB
C++
/*
|
|
* Copyright (C) 2009-2017 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 STRING_STRIP_HXX
|
|
#define STRING_STRIP_HXX
|
|
|
|
#include "Compiler.h"
|
|
|
|
#include <stddef.h>
|
|
|
|
/**
|
|
* Returns a pointer to the first non-whitespace character in the
|
|
* string, or to the end of the string.
|
|
*/
|
|
gcc_pure
|
|
const char *
|
|
StripLeft(const char *p) noexcept;
|
|
|
|
gcc_pure
|
|
static inline char *
|
|
StripLeft(char *p) noexcept
|
|
{
|
|
return const_cast<char *>(StripLeft((const char *)p));
|
|
}
|
|
|
|
gcc_pure
|
|
const char *
|
|
StripLeft(const char *p, const char *end) noexcept;
|
|
|
|
/**
|
|
* Determine the string's end as if it was stripped on the right side.
|
|
*/
|
|
gcc_pure
|
|
const char *
|
|
StripRight(const char *p, const char *end) noexcept;
|
|
|
|
/**
|
|
* Determine the string's end as if it was stripped on the right side.
|
|
*/
|
|
gcc_pure
|
|
static inline char *
|
|
StripRight(char *p, char *end) noexcept
|
|
{
|
|
return const_cast<char *>(StripRight((const char *)p,
|
|
(const char *)end));
|
|
}
|
|
|
|
/**
|
|
* Determine the string's length as if it was stripped on the right
|
|
* side.
|
|
*/
|
|
gcc_pure
|
|
size_t
|
|
StripRight(const char *p, size_t length) noexcept;
|
|
|
|
/**
|
|
* Strip trailing whitespace by null-terminating the string.
|
|
*/
|
|
void
|
|
StripRight(char *p) noexcept;
|
|
|
|
/**
|
|
* Skip whitespace at the beginning and terminate the string after the
|
|
* last non-whitespace character.
|
|
*/
|
|
char *
|
|
Strip(char *p) noexcept;
|
|
|
|
#endif
|