+++ /dev/null
-<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
-<html><head><meta http-equiv="Content-Type" content="text/html;charset=UTF-8">
-<title>Light Media Scanner: src/lib/lightmediascanner_db_playlist.c Source File</title>
-<link href="doxygen.css" rel="stylesheet" type="text/css">
-<link href="tabs.css" rel="stylesheet" type="text/css">
-</head><body>
-<!-- Generated by Doxygen 1.5.6 -->
-<div class="navigation" id="top">
- <div class="tabs">
- <ul>
- <li><a href="index.html"><span>Main Page</span></a></li>
- <li><a href="modules.html"><span>Modules</span></a></li>
- <li><a href="classes.html"><span>Data Structures</span></a></li>
- <li class="current"><a href="files.html"><span>Files</span></a></li>
- </ul>
- </div>
-<h1>src/lib/lightmediascanner_db_playlist.c</h1><a href="lightmediascanner__db__playlist_8c.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001
-<a name="l00021"></a>00021 <span class="preprocessor">#include <<a class="code" href="lightmediascanner__db_8h.html">lightmediascanner_db.h</a>></span>
-<a name="l00022"></a>00022 <span class="preprocessor">#include "<a class="code" href="lightmediascanner__db__private_8h.html">lightmediascanner_db_private.h</a>"</span>
-<a name="l00023"></a>00023 <span class="preprocessor">#include <stdlib.h></span>
-<a name="l00024"></a>00024 <span class="preprocessor">#include <stdio.h></span>
-<a name="l00025"></a>00025
-<a name="l00026"></a>00026 <span class="keyword">struct </span>lms_db_playlist {
-<a name="l00027"></a>00027 sqlite3 *db;
-<a name="l00028"></a>00028 sqlite3_stmt *insert;
-<a name="l00029"></a>00029 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> _references;
-<a name="l00030"></a>00030 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> _is_started:1;
-<a name="l00031"></a>00031 };
-<a name="l00032"></a>00032
-<a name="l00033"></a>00033 <span class="keyword">static</span> <span class="keyword">struct </span><a class="code" href="structlms__db__cache.html">lms_db_cache</a> _cache = {0, NULL};
-<a name="l00034"></a>00034
-<a name="l00035"></a>00035 <span class="keyword">static</span> <span class="keywordtype">int</span>
-<a name="l00036"></a>00036 _db_table_updater_playlists_0(sqlite3 *db, <span class="keyword">const</span> <span class="keywordtype">char</span> *table, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> current_version, <span class="keywordtype">int</span> is_last_run) {
-<a name="l00037"></a>00037 <span class="keywordtype">char</span> *errmsg;
-<a name="l00038"></a>00038 <span class="keywordtype">int</span> r, ret;
-<a name="l00039"></a>00039
-<a name="l00040"></a>00040 errmsg = NULL;
-<a name="l00041"></a>00041 r = sqlite3_exec(db,
-<a name="l00042"></a>00042 <span class="stringliteral">"CREATE TABLE IF NOT EXISTS playlists ("</span>
-<a name="l00043"></a>00043 <span class="stringliteral">"id INTEGER PRIMARY KEY, "</span>
-<a name="l00044"></a>00044 <span class="stringliteral">"title TEXT, "</span>
-<a name="l00045"></a>00045 <span class="stringliteral">"n_entries INTEGER NOT NULL"</span>
-<a name="l00046"></a>00046 <span class="stringliteral">")"</span>,
-<a name="l00047"></a>00047 NULL, NULL, &errmsg);
-<a name="l00048"></a>00048 <span class="keywordflow">if</span> (r != SQLITE_OK) {
-<a name="l00049"></a>00049 fprintf(stderr, <span class="stringliteral">"ERROR: could not create 'playlists' table: %s\n"</span>,
-<a name="l00050"></a>00050 errmsg);
-<a name="l00051"></a>00051 sqlite3_free(errmsg);
-<a name="l00052"></a>00052 <span class="keywordflow">return</span> -1;
-<a name="l00053"></a>00053 }
-<a name="l00054"></a>00054
-<a name="l00055"></a>00055 r = sqlite3_exec(db,
-<a name="l00056"></a>00056 <span class="stringliteral">"CREATE INDEX IF NOT EXISTS playlists_title_idx ON "</span>
-<a name="l00057"></a>00057 <span class="stringliteral">"playlists (title)"</span>,
-<a name="l00058"></a>00058 NULL, NULL, &errmsg);
-<a name="l00059"></a>00059 <span class="keywordflow">if</span> (r != SQLITE_OK) {
-<a name="l00060"></a>00060 fprintf(stderr,
-<a name="l00061"></a>00061 <span class="stringliteral">"ERROR: could not create 'playlists_title_idx' index: %s\n"</span>,
-<a name="l00062"></a>00062 errmsg);
-<a name="l00063"></a>00063 sqlite3_free(errmsg);
-<a name="l00064"></a>00064 <span class="keywordflow">return</span> -2;
-<a name="l00065"></a>00065 }
-<a name="l00066"></a>00066
-<a name="l00067"></a>00067 ret = <a class="code" href="lightmediascanner__db__common_8c.html#822cae681398710b63c9af149fdacedb">lms_db_create_trigger_if_not_exists</a>(db,
-<a name="l00068"></a>00068 <span class="stringliteral">"delete_playlists_on_files_deleted "</span>
-<a name="l00069"></a>00069 <span class="stringliteral">"DELETE ON files FOR EACH ROW BEGIN "</span>
-<a name="l00070"></a>00070 <span class="stringliteral">" DELETE FROM playlists WHERE id = OLD.id; END;"</span>);
-<a name="l00071"></a>00071 <span class="keywordflow">if</span> (ret != 0)
-<a name="l00072"></a>00072 <span class="keywordflow">goto</span> done;
-<a name="l00073"></a>00073
-<a name="l00074"></a>00074 ret = <a class="code" href="lightmediascanner__db__common_8c.html#822cae681398710b63c9af149fdacedb">lms_db_create_trigger_if_not_exists</a>(db,
-<a name="l00075"></a>00075 <span class="stringliteral">"delete_files_on_playlists_deleted "</span>
-<a name="l00076"></a>00076 <span class="stringliteral">"DELETE ON playlists FOR EACH ROW BEGIN "</span>
-<a name="l00077"></a>00077 <span class="stringliteral">" DELETE FROM files WHERE id = OLD.id; END;"</span>);
-<a name="l00078"></a>00078
-<a name="l00079"></a>00079 done:
-<a name="l00080"></a>00080 <span class="keywordflow">return</span> ret;
-<a name="l00081"></a>00081 }
-<a name="l00082"></a>00082
-<a name="l00083"></a>00083 <span class="keyword">static</span> <a class="code" href="lightmediascanner__db__private_8h.html#31db275bbea4b156c8b4493dac818b73">lms_db_table_updater_t</a> _db_table_updater_playlists[] = {
-<a name="l00084"></a>00084 _db_table_updater_playlists_0
-<a name="l00085"></a>00085 };
-<a name="l00086"></a>00086
-<a name="l00087"></a>00087
-<a name="l00088"></a>00088 <span class="keyword">static</span> <span class="keywordtype">int</span>
-<a name="l00089"></a>00089 _db_create_table_if_required(sqlite3 *db)
-<a name="l00090"></a>00090 {
-<a name="l00091"></a>00091 <span class="keywordflow">return</span> <a class="code" href="lightmediascanner__db__common_8c.html#86b766535f9dc7895da7d0f606201700">lms_db_table_update_if_required</a>(db, <span class="stringliteral">"playlists"</span>,
-<a name="l00092"></a>00092 <a class="code" href="lightmediascanner__utils_8h.html#13a0622cfcc91eec261da4285621bdcc">LMS_ARRAY_SIZE</a>(_db_table_updater_playlists),
-<a name="l00093"></a>00093 _db_table_updater_playlists);
-<a name="l00094"></a>00094 }
-<a name="l00095"></a>00095
-<a name="l00110"></a>00110 <a class="code" href="group__LMS__DB.html#g9901260afad69e602336a4e567e386c3">lms_db_playlist_t</a> *
-<a name="l00111"></a><a class="code" href="group__LMS__DB.html#g379e3bbb3f4a87b1d389df587dec0875">00111</a> <a class="code" href="group__LMS__DB.html#g379e3bbb3f4a87b1d389df587dec0875">lms_db_playlist_new</a>(sqlite3 *db)
-<a name="l00112"></a>00112 {
-<a name="l00113"></a>00113 <a class="code" href="group__LMS__DB.html#g9901260afad69e602336a4e567e386c3">lms_db_playlist_t</a> *ldp;
-<a name="l00114"></a>00114 <span class="keywordtype">void</span> *p;
-<a name="l00115"></a>00115
-<a name="l00116"></a>00116 <span class="keywordflow">if</span> (<a class="code" href="lightmediascanner__db__common_8c.html#e7a672fa5760bae1a669c737648fe7d3">lms_db_cache_get</a>(&_cache, db, &p) == 0) {
-<a name="l00117"></a>00117 ldp = p;
-<a name="l00118"></a>00118 ldp->_references++;
-<a name="l00119"></a>00119 <span class="keywordflow">return</span> ldp;
-<a name="l00120"></a>00120 }
-<a name="l00121"></a>00121
-<a name="l00122"></a>00122 <span class="keywordflow">if</span> (!db)
-<a name="l00123"></a>00123 <span class="keywordflow">return</span> NULL;
-<a name="l00124"></a>00124
-<a name="l00125"></a>00125 <span class="keywordflow">if</span> (_db_create_table_if_required(db) != 0) {
-<a name="l00126"></a>00126 fprintf(stderr, <span class="stringliteral">"ERROR: could not create table.\n"</span>);
-<a name="l00127"></a>00127 <span class="keywordflow">return</span> NULL;
-<a name="l00128"></a>00128 }
-<a name="l00129"></a>00129
-<a name="l00130"></a>00130 ldp = calloc(1, <span class="keyword">sizeof</span>(<a class="code" href="group__LMS__DB.html#g9901260afad69e602336a4e567e386c3">lms_db_playlist_t</a>));
-<a name="l00131"></a>00131 ldp->_references = 1;
-<a name="l00132"></a>00132 ldp->db = db;
-<a name="l00133"></a>00133
-<a name="l00134"></a>00134 <span class="keywordflow">if</span> (<a class="code" href="lightmediascanner__db__common_8c.html#19b0458b9d7b76370588156e931a9c04">lms_db_cache_add</a>(&_cache, db, ldp) != 0) {
-<a name="l00135"></a>00135 <a class="code" href="group__LMS__DB.html#ge0e003fb6c8deccf8c15a7cedb88c789">lms_db_playlist_free</a>(ldp);
-<a name="l00136"></a>00136 <span class="keywordflow">return</span> NULL;
-<a name="l00137"></a>00137 }
-<a name="l00138"></a>00138
-<a name="l00139"></a>00139 <span class="keywordflow">return</span> ldp;
-<a name="l00140"></a>00140 }
-<a name="l00141"></a>00141
-<a name="l00154"></a>00154 <span class="keywordtype">int</span>
-<a name="l00155"></a><a class="code" href="group__LMS__DB.html#g9a0ba775eacd1abdc6bfd08c26bbd437">00155</a> <a class="code" href="group__LMS__DB.html#g9a0ba775eacd1abdc6bfd08c26bbd437">lms_db_playlist_start</a>(<a class="code" href="group__LMS__DB.html#g9901260afad69e602336a4e567e386c3">lms_db_playlist_t</a> *ldp)
-<a name="l00156"></a>00156 {
-<a name="l00157"></a>00157 <span class="keywordflow">if</span> (!ldp)
-<a name="l00158"></a>00158 <span class="keywordflow">return</span> -1;
-<a name="l00159"></a>00159 <span class="keywordflow">if</span> (ldp->_is_started)
-<a name="l00160"></a>00160 <span class="keywordflow">return</span> 0;
-<a name="l00161"></a>00161
-<a name="l00162"></a>00162 ldp->insert = <a class="code" href="lightmediascanner__db__common_8c.html#5fddf47521f83929b0c90a481fa01c5b">lms_db_compile_stmt</a>(ldp->db,
-<a name="l00163"></a>00163 <span class="stringliteral">"INSERT OR REPLACE INTO playlists (id, title, n_entries) "</span>
-<a name="l00164"></a>00164 <span class="stringliteral">"VALUES (?, ?, ?)"</span>);
-<a name="l00165"></a>00165 <span class="keywordflow">if</span> (!ldp->insert)
-<a name="l00166"></a>00166 <span class="keywordflow">return</span> -2;
-<a name="l00167"></a>00167
-<a name="l00168"></a>00168 ldp->_is_started = 1;
-<a name="l00169"></a>00169 <span class="keywordflow">return</span> 0;
-<a name="l00170"></a>00170 }
-<a name="l00171"></a>00171
-<a name="l00184"></a>00184 <span class="keywordtype">int</span>
-<a name="l00185"></a><a class="code" href="group__LMS__DB.html#ge0e003fb6c8deccf8c15a7cedb88c789">00185</a> <a class="code" href="group__LMS__DB.html#ge0e003fb6c8deccf8c15a7cedb88c789">lms_db_playlist_free</a>(<a class="code" href="group__LMS__DB.html#g9901260afad69e602336a4e567e386c3">lms_db_playlist_t</a> *ldp)
-<a name="l00186"></a>00186 {
-<a name="l00187"></a>00187 <span class="keywordtype">int</span> r;
-<a name="l00188"></a>00188
-<a name="l00189"></a>00189 <span class="keywordflow">if</span> (!ldp)
-<a name="l00190"></a>00190 <span class="keywordflow">return</span> -1;
-<a name="l00191"></a>00191 <span class="keywordflow">if</span> (ldp->_references == 0) {
-<a name="l00192"></a>00192 fprintf(stderr, <span class="stringliteral">"ERROR: over-called lms_db_playlist_free(%p)\n"</span>, ldp);
-<a name="l00193"></a>00193 <span class="keywordflow">return</span> -1;
-<a name="l00194"></a>00194 }
-<a name="l00195"></a>00195
-<a name="l00196"></a>00196 ldp->_references--;
-<a name="l00197"></a>00197 <span class="keywordflow">if</span> (ldp->_references > 0)
-<a name="l00198"></a>00198 <span class="keywordflow">return</span> 0;
-<a name="l00199"></a>00199
-<a name="l00200"></a>00200 <span class="keywordflow">if</span> (ldp->insert)
-<a name="l00201"></a>00201 <a class="code" href="lightmediascanner__db__common_8c.html#32110a4825e598ca6df329f55b0b62b5">lms_db_finalize_stmt</a>(ldp->insert, <span class="stringliteral">"insert"</span>);
-<a name="l00202"></a>00202
-<a name="l00203"></a>00203 r = <a class="code" href="lightmediascanner__db__common_8c.html#296c81e4c64be1c7935ef31038aeb2c0">lms_db_cache_del</a>(&_cache, ldp->db, ldp);
-<a name="l00204"></a>00204 free(ldp);
-<a name="l00205"></a>00205
-<a name="l00206"></a>00206 <span class="keywordflow">return</span> r;
-<a name="l00207"></a>00207 }
-<a name="l00208"></a>00208
-<a name="l00209"></a>00209 <span class="keyword">static</span> <span class="keywordtype">int</span>
-<a name="l00210"></a>00210 _db_insert(<a class="code" href="group__LMS__DB.html#g9901260afad69e602336a4e567e386c3">lms_db_playlist_t</a> *ldp, <span class="keyword">const</span> <span class="keyword">struct</span> <a class="code" href="structlms__playlist__info.html">lms_playlist_info</a> *info)
-<a name="l00211"></a>00211 {
-<a name="l00212"></a>00212 sqlite3_stmt *stmt;
-<a name="l00213"></a>00213 <span class="keywordtype">int</span> r, ret;
-<a name="l00214"></a>00214
-<a name="l00215"></a>00215 stmt = ldp->insert;
-<a name="l00216"></a>00216
-<a name="l00217"></a>00217 ret = <a class="code" href="lightmediascanner__db__common_8c.html#f2fe78bc45dc33d843313a846db5ce7c">lms_db_bind_int64</a>(stmt, 1, info-><a class="code" href="structlms__playlist__info.html#c1b12bb87ec0bdbc356a6f6ce9b7eebf">id</a>);
-<a name="l00218"></a>00218 <span class="keywordflow">if</span> (ret != 0)
-<a name="l00219"></a>00219 <span class="keywordflow">goto</span> done;
-<a name="l00220"></a>00220
-<a name="l00221"></a>00221 ret = <a class="code" href="lightmediascanner__db__common_8c.html#88c461ae88da3eb47987c5a0b15c5888">lms_db_bind_text</a>(stmt, 2, info-><a class="code" href="structlms__playlist__info.html#515e63ba413a60d21ee73687151387f0">title</a>.<a class="code" href="structlms__string__size.html#5f4844463b193dadb2286e69200ce8a7">str</a>, info-><a class="code" href="structlms__playlist__info.html#515e63ba413a60d21ee73687151387f0">title</a>.<a class="code" href="structlms__string__size.html#fc37b712d71c2010e655bbd4f0a22e96">len</a>);
-<a name="l00222"></a>00222 <span class="keywordflow">if</span> (ret != 0)
-<a name="l00223"></a>00223 <span class="keywordflow">goto</span> done;
-<a name="l00224"></a>00224
-<a name="l00225"></a>00225 ret = <a class="code" href="lightmediascanner__db__common_8c.html#de261036cf3228f0b6a79a9c68687c4f">lms_db_bind_int</a>(stmt, 3, info-><a class="code" href="structlms__playlist__info.html#81cc52f5b6ce04cd64cf3884cb774663">n_entries</a>);
-<a name="l00226"></a>00226 <span class="keywordflow">if</span> (ret != 0)
-<a name="l00227"></a>00227 <span class="keywordflow">goto</span> done;
-<a name="l00228"></a>00228
-<a name="l00229"></a>00229 r = sqlite3_step(stmt);
-<a name="l00230"></a>00230 <span class="keywordflow">if</span> (r != SQLITE_DONE) {
-<a name="l00231"></a>00231 fprintf(stderr, <span class="stringliteral">"ERROR: could not insert playlist info: %s\n"</span>,
-<a name="l00232"></a>00232 sqlite3_errmsg(ldp->db));
-<a name="l00233"></a>00233 ret = -4;
-<a name="l00234"></a>00234 <span class="keywordflow">goto</span> done;
-<a name="l00235"></a>00235 }
-<a name="l00236"></a>00236
-<a name="l00237"></a>00237 ret = 0;
-<a name="l00238"></a>00238
-<a name="l00239"></a>00239 done:
-<a name="l00240"></a>00240 <a class="code" href="lightmediascanner__db__common_8c.html#226c6f7ab2e7923b747b7090357ea419">lms_db_reset_stmt</a>(stmt);
-<a name="l00241"></a>00241
-<a name="l00242"></a>00242 <span class="keywordflow">return</span> ret;
-<a name="l00243"></a>00243 }
-<a name="l00244"></a>00244
-<a name="l00256"></a>00256 <span class="keywordtype">int</span>
-<a name="l00257"></a><a class="code" href="lightmediascanner__db__playlist_8c.html#4fe309efb9c2c24b6e2f77fffca81ee4">00257</a> <a class="code" href="group__LMS__DB.html#g8864e532609191f07737c1d23c1bc65f">lms_db_playlist_add</a>(<a class="code" href="group__LMS__DB.html#g9901260afad69e602336a4e567e386c3">lms_db_playlist_t</a> *ldp, <span class="keyword">struct</span> <a class="code" href="structlms__playlist__info.html">lms_playlist_info</a> *info)
-<a name="l00258"></a>00258 {
-<a name="l00259"></a>00259 <span class="keywordflow">if</span> (!ldp)
-<a name="l00260"></a>00260 <span class="keywordflow">return</span> -1;
-<a name="l00261"></a>00261 <span class="keywordflow">if</span> (!info)
-<a name="l00262"></a>00262 <span class="keywordflow">return</span> -2;
-<a name="l00263"></a>00263 <span class="keywordflow">if</span> (info-><a class="code" href="structlms__playlist__info.html#c1b12bb87ec0bdbc356a6f6ce9b7eebf">id</a> < 1)
-<a name="l00264"></a>00264 <span class="keywordflow">return</span> -3;
-<a name="l00265"></a>00265
-<a name="l00266"></a>00266 <span class="keywordflow">return</span> _db_insert(ldp, info);
-<a name="l00267"></a>00267 }
-</pre></div></div>
-<hr size="1"><address style="text-align: right;"><small>Generated on Sun Oct 5 12:24:53 2008 for Light Media Scanner by
-<a href="http://www.doxygen.org/index.html">
-<img src="doxygen.png" alt="doxygen" align="middle" border="0"></a> 1.5.6 </small></address>
-</body>
-</html>
projects / lms / blobdiff