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<div id="projectname">Audacious <span id="projectnumber">$Id:Doxyfile42802007-03-2104:39:00Znenolod$</span></div>
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<h1>playlist_container.c</h1> </div>
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<a href="playlist__container_8c.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/*</span>
<a name="l00002"></a>00002 <span class="comment"> * Audacious: A cross-platform multimedia player</span>
<a name="l00003"></a>00003 <span class="comment"> * Copyright (c) 2006-2007 William Pitcock, Tony Vroon, George Averill,</span>
<a name="l00004"></a>00004 <span class="comment"> * Giacomo Lozito, Derek Pomery and Yoshiki Yazawa.</span>
<a name="l00005"></a>00005 <span class="comment"> *</span>
<a name="l00006"></a>00006 <span class="comment"> * This program is free software; you can redistribute it and/or modify</span>
<a name="l00007"></a>00007 <span class="comment"> * it under the terms of the GNU General Public License as published by</span>
<a name="l00008"></a>00008 <span class="comment"> * the Free Software Foundation; under version 3 of the License.</span>
<a name="l00009"></a>00009 <span class="comment"> *</span>
<a name="l00010"></a>00010 <span class="comment"> * This program is distributed in the hope that it will be useful,</span>
<a name="l00011"></a>00011 <span class="comment"> * but WITHOUT ANY WARRANTY; without even the implied warranty of</span>
<a name="l00012"></a>00012 <span class="comment"> * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the</span>
<a name="l00013"></a>00013 <span class="comment"> * GNU General Public License for more details.</span>
<a name="l00014"></a>00014 <span class="comment"> *</span>
<a name="l00015"></a>00015 <span class="comment"> * You should have received a copy of the GNU General Public License</span>
<a name="l00016"></a>00016 <span class="comment"> * along with this program. If not, see <http://www.gnu.org/licenses>.</span>
<a name="l00017"></a>00017 <span class="comment"> *</span>
<a name="l00018"></a>00018 <span class="comment"> * The Audacious team does not consider modular code linking to</span>
<a name="l00019"></a>00019 <span class="comment"> * Audacious or using our public API to be a derived work.</span>
<a name="l00020"></a>00020 <span class="comment"> */</span>
<a name="l00021"></a>00021
<a name="l00022"></a>00022 <span class="preprocessor">#include <glib.h></span>
<a name="l00023"></a>00023 <span class="preprocessor">#include <string.h></span>
<a name="l00024"></a>00024
<a name="l00025"></a>00025 <span class="preprocessor">#include "<a class="code" href="misc_8h.html">misc.h</a>"</span>
<a name="l00026"></a>00026 <span class="preprocessor">#include "<a class="code" href="playlist__container_8h.html">playlist_container.h</a>"</span>
<a name="l00027"></a>00027
<a name="l00028"></a>00028 <span class="comment">/*</span>
<a name="l00029"></a>00029 <span class="comment"> * PlaylistContainer objects handle the import and export of Playlist</span>
<a name="l00030"></a>00030 <span class="comment"> * data. Basically, a PlaylistContainer acts as a filter for a PlaylistEntry.</span>
<a name="l00031"></a>00031 <span class="comment"> */</span>
<a name="l00032"></a>00032
<a name="l00033"></a><a class="code" href="playlist__container_8c.html#a44e71d41442063c7b91ec9decd9db11b">00033</a> <span class="keyword">static</span> GList *<a class="code" href="playlist__container_8c.html#a44e71d41442063c7b91ec9decd9db11b">registered_plcs</a> = NULL;
<a name="l00034"></a>00034
<a name="l00035"></a><a class="code" href="playlist__container_8c.html#a471c43aae37990fd86c6bb8cacc65f90">00035</a> <span class="keywordtype">void</span> <a class="code" href="playlist__container_8c.html#a471c43aae37990fd86c6bb8cacc65f90">playlist_container_register</a>(<a class="code" href="structPlaylistContainer.html">PlaylistContainer</a> *plc)
<a name="l00036"></a>00036 {
<a name="l00037"></a>00037 <a class="code" href="playlist__container_8c.html#a44e71d41442063c7b91ec9decd9db11b">registered_plcs</a> = g_list_append(<a class="code" href="playlist__container_8c.html#a44e71d41442063c7b91ec9decd9db11b">registered_plcs</a>, plc);
<a name="l00038"></a>00038 }
<a name="l00039"></a>00039
<a name="l00040"></a><a class="code" href="playlist__container_8c.html#a636ba192f7ff22f55044b0cc960885e6">00040</a> <span class="keywordtype">void</span> <a class="code" href="playlist__container_8c.html#a636ba192f7ff22f55044b0cc960885e6">playlist_container_unregister</a>(<a class="code" href="structPlaylistContainer.html">PlaylistContainer</a> *plc)
<a name="l00041"></a>00041 {
<a name="l00042"></a>00042 <a class="code" href="playlist__container_8c.html#a44e71d41442063c7b91ec9decd9db11b">registered_plcs</a> = g_list_remove(<a class="code" href="playlist__container_8c.html#a44e71d41442063c7b91ec9decd9db11b">registered_plcs</a>, plc);
<a name="l00043"></a>00043 }
<a name="l00044"></a>00044
<a name="l00045"></a><a class="code" href="playlist__container_8h.html#a8c10a45232f31e02e734d4023b8396fd">00045</a> <a class="code" href="structPlaylistContainer.html">PlaylistContainer</a> *<a class="code" href="playlist__container_8c.html#a8c10a45232f31e02e734d4023b8396fd">playlist_container_find</a>(gchar *ext)
<a name="l00046"></a>00046 {
<a name="l00047"></a>00047 GList *node;
<a name="l00048"></a>00048 <a class="code" href="structPlaylistContainer.html">PlaylistContainer</a> *plc;
<a name="l00049"></a>00049
<a name="l00050"></a>00050 <span class="comment">/* check ext neither is NULL nor 1 (in a consequence of optimization). */</span>
<a name="l00051"></a>00051 g_return_val_if_fail(ext != NULL && ext != (<span class="keywordtype">void</span> *)1, NULL);
<a name="l00052"></a>00052
<a name="l00053"></a>00053 <span class="keywordflow">for</span> (node = <a class="code" href="playlist__container_8c.html#a44e71d41442063c7b91ec9decd9db11b">registered_plcs</a>; node != NULL; node = g_list_next(node)) {
<a name="l00054"></a>00054 plc = node->data;
<a name="l00055"></a>00055
<a name="l00056"></a>00056 <span class="keywordflow">if</span> (!g_ascii_strncasecmp(plc-><a class="code" href="structPlaylistContainer.html#a9de52782b64ba86a8f5bd5ee953e6ba6">ext</a>, ext, strlen(plc-><a class="code" href="structPlaylistContainer.html#a9de52782b64ba86a8f5bd5ee953e6ba6">ext</a>)))
<a name="l00057"></a>00057 <span class="keywordflow">return</span> plc;
<a name="l00058"></a>00058 }
<a name="l00059"></a>00059
<a name="l00060"></a>00060 <span class="keywordflow">return</span> NULL;
<a name="l00061"></a>00061 }
<a name="l00062"></a>00062
<a name="l00063"></a><a class="code" href="playlist__container_8h.html#a994ef85953dee66d3e59b75dbaaddcf4">00063</a> <span class="keywordtype">void</span> <a class="code" href="playlist__container_8c.html#a994ef85953dee66d3e59b75dbaaddcf4">playlist_container_read</a>(gchar *<a class="code" href="misc-api_8h.html#a820d8643bcfa9e2641dd6377f804de20">filename</a>, <a class="code" href="misc-api_8h.html#acf599c059f43e0cca83145eb6b0c93cd">gint</a> pos)
<a name="l00064"></a>00064 {
<a name="l00065"></a>00065 gchar *ext = strrchr(filename, <span class="charliteral">'.'</span>) + 1; <span class="comment">/* optimization: skip past the dot -nenolod */</span>
<a name="l00066"></a>00066 <a class="code" href="structPlaylistContainer.html">PlaylistContainer</a> *plc = <a class="code" href="playlist__container_8c.html#a8c10a45232f31e02e734d4023b8396fd">playlist_container_find</a>(ext);
<a name="l00067"></a>00067
<a name="l00068"></a>00068 <span class="keywordflow">if</span> (plc-><a class="code" href="structPlaylistContainer.html#a5f4d3dd04198764f4cf6f33a604b1f0f">plc_read</a> == NULL)
<a name="l00069"></a>00069 <span class="keywordflow">return</span>;
<a name="l00070"></a>00070
<a name="l00071"></a>00071 plc-><a class="code" href="structPlaylistContainer.html#a5f4d3dd04198764f4cf6f33a604b1f0f">plc_read</a>(filename, pos);
<a name="l00072"></a>00072 }
<a name="l00073"></a>00073
<a name="l00074"></a><a class="code" href="playlist__container_8h.html#a858843a789fa35f842e66b8e3ecf6c7e">00074</a> <span class="keywordtype">void</span> <a class="code" href="playlist__container_8c.html#a858843a789fa35f842e66b8e3ecf6c7e">playlist_container_write</a>(gchar *<a class="code" href="misc-api_8h.html#a820d8643bcfa9e2641dd6377f804de20">filename</a>, <a class="code" href="misc-api_8h.html#acf599c059f43e0cca83145eb6b0c93cd">gint</a> pos)
<a name="l00075"></a>00075 {
<a name="l00076"></a>00076 gchar *ext = strrchr(filename, <span class="charliteral">'.'</span>) + 1; <span class="comment">/* optimization: skip past the dot -nenolod */</span>
<a name="l00077"></a>00077 <a class="code" href="structPlaylistContainer.html">PlaylistContainer</a> *plc = <a class="code" href="playlist__container_8c.html#a8c10a45232f31e02e734d4023b8396fd">playlist_container_find</a>(ext);
<a name="l00078"></a>00078
<a name="l00079"></a>00079 <span class="keywordflow">if</span> (plc-><a class="code" href="structPlaylistContainer.html#ad3891865bc54d406a58e4dbf5dc36361">plc_write</a> == NULL)
<a name="l00080"></a>00080 <span class="keywordflow">return</span>;
<a name="l00081"></a>00081
<a name="l00082"></a>00082 plc-><a class="code" href="structPlaylistContainer.html#ad3891865bc54d406a58e4dbf5dc36361">plc_write</a>(filename, pos);
<a name="l00083"></a>00083 }
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