118 lines
2.8 KiB
C++
118 lines
2.8 KiB
C++
/*
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* Copyright (C) 2003-2014 The Music Player Daemon Project
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* http://www.musicpd.org
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#ifndef MPD_STRING_UTIL_HXX
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#define MPD_STRING_UTIL_HXX
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#include "Compiler.h"
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#include <stddef.h>
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/**
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* Returns a pointer to the first non-whitespace character in the
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* string, or to the end of the string.
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*/
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gcc_pure
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const char *
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StripLeft(const char *p);
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gcc_pure
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static inline char *
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StripLeft(char *p)
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{
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return const_cast<char *>(StripLeft((const char *)p));
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}
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gcc_pure
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const char *
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StripLeft(const char *p, const char *end);
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/**
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* Determine the string's end as if it was stripped on the right side.
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*/
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gcc_pure
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const char *
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StripRight(const char *p, const char *end);
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/**
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* Determine the string's end as if it was stripped on the right side.
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*/
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gcc_pure
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static inline char *
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StripRight(char *p, char *end)
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{
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return const_cast<char *>(StripRight((const char *)p,
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(const char *)end));
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}
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/**
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* Determine the string's length as if it was stripped on the right
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* side.
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*/
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gcc_pure
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size_t
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StripRight(const char *p, size_t length);
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/**
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* Strip trailing whitespace by null-terminating the string.
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*/
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void
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StripRight(char *p);
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/**
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* Skip whitespace at the beginning and terminate the string after the
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* last non-whitespace character.
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*/
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char *
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Strip(char *p);
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gcc_pure
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bool
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StringStartsWith(const char *haystack, const char *needle);
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gcc_pure
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bool
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StringEndsWith(const char *haystack, const char *needle);
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/**
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* Copy a string. If the buffer is too small, then the string is
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* truncated. This is a safer version of strncpy().
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*
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* @param size the size of the destination buffer (including the null
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* terminator)
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* @return a pointer to the null terminator
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*/
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gcc_nonnull_all
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char *
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CopyString(char *dest, const char *src, size_t size);
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/**
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* Checks whether a string array contains the specified string.
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*
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* @param haystack a NULL terminated list of strings
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* @param needle the string to search for; the comparison is
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* case-insensitive for ASCII characters
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* @return true if found
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*/
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gcc_pure
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bool
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string_array_contains(const char *const* haystack, const char *needle);
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#endif
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