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/*
* Copyright (C) 2003-2015 The Music Player Daemon Project
* http://www.musicpd.org
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifndef MPD_STRING_UTIL_HXX
#define MPD_STRING_UTIL_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);
gcc_pure
static inline char *
StripLeft(char *p)
{
return const_cast<char *>(StripLeft((const char *)p));
}
gcc_pure
const char *
StripLeft(const char *p, const char *end);
/**
* 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);
/**
* Determine the string's end as if it was stripped on the right side.
*/
gcc_pure
static inline char *
StripRight(char *p, char *end)
{
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);
/**
* Strip trailing whitespace by null-terminating the string.
*/
void
StripRight(char *p);
/**
* Skip whitespace at the beginning and terminate the string after the
* last non-whitespace character.
*/
char *
Strip(char *p);
gcc_pure
bool
StringStartsWith(const char *haystack, const char *needle);
gcc_pure
bool
StringEndsWith(const char *haystack, const char *needle);
/**
* Check if the given string ends with the specified suffix. If yes,
* returns the position of the suffix, and nullptr otherwise.
*/
gcc_pure
const char *
FindStringSuffix(const char *p, const char *suffix);
/**
* Copy a string. If the buffer is too small, then the string is
* truncated. This is a safer version of strncpy().
*
* @param size the size of the destination buffer (including the null
* terminator)
* @return a pointer to the null terminator
*/
gcc_nonnull_all
char *
CopyString(char *dest, const char *src, size_t size);
/**
* Checks whether a string array contains the specified string.
*
* @param haystack a NULL terminated list of strings
* @param needle the string to search for; the comparison is
* case-insensitive for ASCII characters
* @return true if found
*/
gcc_pure
bool
string_array_contains(const char *const* haystack, const char *needle);
/**
* Convert the specified ASCII string (0x00..0x7f) to upper case.
*
* @param size the destination buffer size
*/
void
ToUpperASCII(char *dest, const char *src, size_t size);
#endif
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