diff options
Diffstat (limited to 'src/util')
-rw-r--r-- | src/util/StringUtil.cxx | 46 | ||||
-rw-r--r-- | src/util/StringUtil.hxx | 80 | ||||
-rw-r--r-- | src/util/Tokenizer.cxx | 2 |
3 files changed, 127 insertions, 1 deletions
diff --git a/src/util/StringUtil.cxx b/src/util/StringUtil.cxx new file mode 100644 index 000000000..87d032735 --- /dev/null +++ b/src/util/StringUtil.cxx @@ -0,0 +1,46 @@ +/* + * Copyright (C) 2003-2013 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. + */ + +#include "StringUtil.hxx" + +#include <glib.h> + +#include <assert.h> + +const char * +strchug_fast_c(const char *p) +{ + while (*p != 0 && g_ascii_isspace(*p)) + ++p; + + return p; +} + +bool +string_array_contains(const char *const* haystack, const char *needle) +{ + assert(haystack != nullptr); + assert(needle != nullptr); + + for (; *haystack != nullptr; ++haystack) + if (g_ascii_strcasecmp(*haystack, needle) == 0) + return true; + + return false; +} diff --git a/src/util/StringUtil.hxx b/src/util/StringUtil.hxx new file mode 100644 index 000000000..72d613798 --- /dev/null +++ b/src/util/StringUtil.hxx @@ -0,0 +1,80 @@ +/* + * Copyright (C) 2003-2013 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 "gcc.h" + +/** + * Remove the "const" attribute from a string pointer. This is a + * dirty hack, don't use it unless you know what you're doing! + */ +gcc_const +static inline char * +deconst_string(const char *p) +{ +#ifdef __cplusplus + return const_cast<char *>(p); +#else + union { + const char *in; + char *out; + } u = { + .in = p, + }; + + return u.out; +#endif +} + +/** + * Returns a pointer to the first non-whitespace character in the + * string, or to the end of the string. + * + * This is a faster version of g_strchug(), because it does not move + * data. + */ +gcc_pure +const char * +strchug_fast_c(const char *p); + +/** + * Same as strchug_fast_c(), but works with a writable pointer. + */ +gcc_pure +static inline char * +strchug_fast(char *p) +{ + return deconst_string(strchug_fast_c(p)); +} + +/** + * 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); + +#endif diff --git a/src/util/Tokenizer.cxx b/src/util/Tokenizer.cxx index 9ade0d1b1..2d6c2b434 100644 --- a/src/util/Tokenizer.cxx +++ b/src/util/Tokenizer.cxx @@ -19,7 +19,7 @@ #include "config.h" #include "Tokenizer.hxx" -#include "string_util.h" +#include "StringUtil.hxx" #include <glib.h> |