diff options
Diffstat (limited to 'src/util')
-rw-r--r-- | src/util/SplitString.cxx | 59 | ||||
-rw-r--r-- | src/util/SplitString.hxx | 39 |
2 files changed, 98 insertions, 0 deletions
diff --git a/src/util/SplitString.cxx b/src/util/SplitString.cxx new file mode 100644 index 000000000..0bb1e5165 --- /dev/null +++ b/src/util/SplitString.cxx @@ -0,0 +1,59 @@ +/* + * Copyright (C) 2003-2014 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 "SplitString.hxx" +#include "StringUtil.hxx" + +#include <string.h> + +std::forward_list<std::string> +SplitString(const char *s, char separator, bool strip) +{ + if (strip) + s = StripLeft(s); + + std::forward_list<std::string> list; + if (*s == 0) + return list; + + auto i = list.before_begin(); + + while (true) { + const char *next = strchr(s, separator); + if (next == nullptr) + break; + + const char *end = next++; + if (strip) + end = StripRight(s, end); + + i = list.emplace_after(i, s, end); + + s = next; + if (strip) + s = StripLeft(s); + } + + const char *end = s + strlen(s); + if (strip) + end = StripRight(s, end); + + list.emplace_after(i, s, end); + return list; +} diff --git a/src/util/SplitString.hxx b/src/util/SplitString.hxx new file mode 100644 index 000000000..bc95cff81 --- /dev/null +++ b/src/util/SplitString.hxx @@ -0,0 +1,39 @@ +/* + * Copyright (C) 2003-2014 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_SPLIT_STRING_HXX +#define MPD_SPLIT_STRING_HXX + +#include <forward_list> +#include <string> + +/** + * Split a string at a certain separator character into sub strings + * and returns a list of these. + * + * Two consecutive separator characters result in an empty string in + * the list. + * + * An empty input string, as a special case, results in an empty list + * (and not a list with an empty string). + */ +std::forward_list<std::string> +SplitString(const char *s, char separator, bool strip=true); + +#endif |