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<div id="projectname">libnjb <span id="projectnumber">2.2.6</span></div>
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<h1>pl.c</h1> </div>
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<div class="fragment"><pre class="fragment"><span class="preprocessor">#include "common.h"</span>
<span class="preprocessor">#include <string.h></span>
<span class="preprocessor">#define PL_CREATE 1</span>
<span class="preprocessor"></span><span class="preprocessor">#define PL_DELETE 2</span>
<span class="preprocessor"></span><span class="preprocessor">#define PL_RENAME 3</span>
<span class="preprocessor"></span>
<span class="keyword">static</span> <span class="keywordtype">void</span> usage(<span class="keywordtype">void</span>)
{
fprintf(stderr, <span class="stringliteral">"usage: pl [ -D debuglvl ] -d name\n"</span> \
<span class="stringliteral">"pl [ -D debuglvl ] -r oldname newname\n"</span> \
<span class="stringliteral">"pl [ -D debuglvl ] -c name trackid < trackid2 trackid3 ... >\n"</span>);
}
<span class="keyword">static</span> <span class="keywordtype">void</span> playlist_dump (<a name="_a0"></a><a class="code" href="structnjb__playlist__struct.html">njb_playlist_t</a> *pl, FILE *fp)
{
<a name="_a1"></a><a class="code" href="structnjb__playlist__track__struct.html">njb_playlist_track_t</a> *track;
<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> i = 1;
fprintf(fp, <span class="stringliteral">"Playlist: %s\n"</span>, pl-><a name="a2"></a><a class="code" href="structnjb__playlist__struct.html#a39e73f00d43c351fbbe95441fd3c00ed">name</a>);
fprintf(fp, <span class="stringliteral">"ID: %u\n"</span>, pl-><a name="a3"></a><a class="code" href="structnjb__playlist__struct.html#ac581be97d7858c7e304faecf6a36aef0">plid</a>);
fprintf(fp, <span class="stringliteral">"Tracks: %u\n"</span>, pl-><a name="a4"></a><a class="code" href="structnjb__playlist__struct.html#a20cc10b697f65aaa195709be7e866420">ntracks</a>);
fprintf(fp, <span class="stringliteral">"State: %d\n"</span>, pl-><a name="a5"></a><a class="code" href="structnjb__playlist__struct.html#a5a008f055a72c6734236b3a61655278d">_state</a>);
<a name="a6"></a><a class="code" href="group__playlistapi.html#ga73e493de30c483a0ea4dc7fe3435f494">NJB_Playlist_Reset_Gettrack</a>(pl);
<span class="keywordflow">while</span> ( (track = <a name="a7"></a><a class="code" href="group__playlistapi.html#ga67bff0505f033f31e6be034d8e9be13f">NJB_Playlist_Gettrack</a>(pl)) ) {
fprintf(fp, <span class="stringliteral">"%5u - track ID %u\n"</span>, i, track-><a name="a8"></a><a class="code" href="structnjb__playlist__track__struct.html#a0c0d66923d6acb571453427b5a540d61">trackid</a>);
i++;
}
}
<span class="keywordtype">int</span> main (<span class="keywordtype">int</span> argc, <span class="keywordtype">char</span> **argv)
{
<a name="_a9"></a><a class="code" href="structnjb__struct.html">njb_t</a> njbs[<a name="a10"></a><a class="code" href="libnjb_8h.html#a46e41076f44166b6446e3fdae6db62a9">NJB_MAX_DEVICES</a>];
<a class="code" href="structnjb__struct.html">njb_t</a> *njb;
<a class="code" href="structnjb__playlist__struct.html">njb_playlist_t</a> *playlist;
<a class="code" href="structnjb__playlist__track__struct.html">njb_playlist_track_t</a> *pl_track;
<span class="keywordtype">int</span> i, n, opt, mode, debug;
<span class="keywordtype">char</span> *name, *newname;
<span class="keyword">extern</span> <span class="keywordtype">int</span> optind;
<span class="keyword">extern</span> <span class="keywordtype">char</span> *optarg;
<span class="keywordtype">char</span> *endptr;
<span class="keywordtype">char</span> *lang;
debug= 0;
mode= 0;
name= NULL;
newname = NULL;
<span class="keywordflow">while</span> ( (opt= getopt(argc, argv, <span class="stringliteral">"d:r:c:"</span>)) != -1 ) {
<span class="keywordflow">switch</span> (opt) {
<span class="keywordflow">case</span> <span class="charliteral">'c'</span>:
mode= PL_CREATE;
<span class="keywordflow">break</span>;
<span class="keywordflow">case</span> <span class="charliteral">'d'</span>:
mode= PL_DELETE;
<span class="keywordflow">break</span>;
<span class="keywordflow">case</span> <span class="charliteral">'r'</span>:
mode= PL_RENAME;
<span class="keywordflow">break</span>;
<span class="keywordflow">case</span> <span class="charliteral">'D'</span>:
debug= atoi(optarg);
<span class="keywordflow">break</span>;
<span class="keywordflow">case</span> <span class="charliteral">'?'</span>:
<span class="keywordflow">default</span>:
usage();
<span class="keywordflow">return</span> 1;
}
name= optarg;
}
argc-= optind;
argv+= optind;
<span class="keywordflow">if</span> ( debug ) <a name="a11"></a><a class="code" href="group__internals.html#gaa5ff48cc89e320bc1c1d89efd2613d77">NJB_Set_Debug</a>(debug);
<span class="comment">/*</span>
<span class="comment"> * Check environment variables $LANG and $LC_CTYPE</span>
<span class="comment"> * to see if we want to support UTF-8 unicode</span>
<span class="comment"> * $LANG = "xx_XX.UTF-8" or $LC_CTYPE = "?"</span>
<span class="comment"> * trigger unicode support.</span>
<span class="comment"> */</span>
lang = getenv(<span class="stringliteral">"LANG"</span>);
<span class="keywordflow">if</span> (lang != NULL) {
<span class="keywordflow">if</span> (strlen(lang) > 5) {
<span class="keywordflow">if</span> (!strcmp(&lang[strlen(lang)-5], <span class="stringliteral">"UTF-8"</span>)) {
<a name="a12"></a><a class="code" href="group__internals.html#ga22a893c243cd4398de35fcdea5b49b39">NJB_Set_Unicode</a>(<a name="a13"></a><a class="code" href="group__unicodeflags.html#ga388e9c70b7a684c777f6b25e2e9d801b">NJB_UC_UTF8</a>);
}
}
}
<span class="keywordflow">if</span> ( ! mode ) {
usage();
<span class="keywordflow">return</span> 1;
}
playlist = NULL;
<span class="keywordflow">if</span> ( mode == PL_CREATE ) {
playlist = <a name="a14"></a><a class="code" href="group__playlistapi.html#gab651a59e601fbf7848f5f3cbe4d53527">NJB_Playlist_New</a>();
<span class="keywordflow">if</span> ( playlist == NULL ) {
perror(<span class="stringliteral">"NJB_Playlist_New"</span>);
<span class="keywordflow">return</span> 1;
}
<span class="keywordflow">if</span> ( <a name="a15"></a><a class="code" href="group__playlistapi.html#ga7027ca2a82c4982ccc0f9a7e3c3a9a8c">NJB_Playlist_Set_Name</a>(playlist, name) == -1 ) {
perror(<span class="stringliteral">"NJB_Playlist_Set_Name"</span>);
} <span class="keywordflow">else</span> {
<span class="keywordflow">for</span> (i= 0; i< argc; i++) {
u_int32_t trid= strtoul(argv[i], &endptr, 10);
<span class="keywordflow">if</span> ( *endptr != <span class="charliteral">'\0'</span> ) {
fprintf(stderr, <span class="stringliteral">"invalid track id %s"</span>,
argv[i]);
<span class="keywordflow">return</span> 1;
}
pl_track= <a name="a16"></a><a class="code" href="group__playlistapi.html#ga01e07b33f555cf5a4a9279739916ce01">NJB_Playlist_Track_New</a>(trid);
<span class="keywordflow">if</span> ( pl_track == NULL ) {
perror(<span class="stringliteral">"NJB_Playlist_Track_New"</span>);
<span class="keywordflow">return</span> 1;
}
<a name="a17"></a><a class="code" href="group__playlistapi.html#ga2126da1cb5f0cac00bdfd9aaa68c4d21">NJB_Playlist_Addtrack</a>(playlist, pl_track,
NJB_PL_END);
}
playlist_dump(playlist, stdout);
}
} <span class="keywordflow">else</span> <span class="keywordflow">if</span> ( mode == PL_RENAME ) {
newname= argv[0];
}
<span class="keywordflow">if</span> (<a name="a18"></a><a class="code" href="group__basic.html#ga199efd7711a70ae5d63f4052c2e492d3">NJB_Discover</a>(njbs, 0, &n) == -1) {
fprintf(stderr, <span class="stringliteral">"could not locate any jukeboxes\n"</span>);
<span class="keywordflow">return</span> 1;
}
<span class="keywordflow">if</span> ( n == 0 ) {
fprintf(stderr, <span class="stringliteral">"no NJB devices found\n"</span>);
<span class="keywordflow">return</span> 0;
}
njb = njbs;
<span class="keywordflow">if</span> ( <a name="a19"></a><a class="code" href="group__basic.html#gaa631536b597d8f8cb73eeb47eff6640a">NJB_Open</a>(njb) == -1 ) {
<a name="a20"></a><a class="code" href="group__internals.html#gae9b849a9a883fe1fd697278bd8d49585">NJB_Error_Dump</a>(njb,stderr);
<span class="keywordflow">return</span> 1;
}
<span class="keywordflow">if</span> ( <a name="a21"></a><a class="code" href="group__basic.html#ga023eb258743b5961ec1b85cbd62a55cb">NJB_Capture</a>(njb) == -1 ) {
<a class="code" href="group__internals.html#gae9b849a9a883fe1fd697278bd8d49585">NJB_Error_Dump</a>(njb,stderr);
<span class="keywordflow">return</span> 1;
}
<span class="keywordflow">if</span> ( mode == PL_CREATE ) {
<span class="keywordflow">if</span> ( <a name="a22"></a><a class="code" href="group__playlistapi.html#gae1873045c0cd0eb27465992c3479b975">NJB_Update_Playlist</a>(njb, playlist) == -1 )
<a class="code" href="group__internals.html#gae9b849a9a883fe1fd697278bd8d49585">NJB_Error_Dump</a>(njb,stderr);
} <span class="keywordflow">else</span> {
<span class="keywordtype">int</span> status = 0;
<span class="keywordtype">int</span> repeat= 1;
<a name="a23"></a><a class="code" href="group__playlistapi.html#ga3781a9a6f68d7ab3ac5970fc4f2c80d9">NJB_Reset_Get_Playlist</a>(njb);
<span class="keywordflow">while</span> ( repeat ) {
playlist = <a name="a24"></a><a class="code" href="group__playlistapi.html#ga85a098c666b569588a4bb8244b4070da">NJB_Get_Playlist</a>(njb);
<span class="keywordflow">if</span> ( playlist == NULL ) {
repeat= 0;
} <span class="keywordflow">else</span> {
repeat = strcmp(name, playlist-><a class="code" href="structnjb__playlist__struct.html#a39e73f00d43c351fbbe95441fd3c00ed">name</a>);
<span class="keywordflow">if</span> ( repeat )
<a name="a25"></a><a class="code" href="group__playlistapi.html#gae9486263351d9f819477ca3938b28216">NJB_Playlist_Destroy</a>(playlist);
}
}
<span class="keywordflow">if</span> ( playlist == NULL ) {
<a class="code" href="group__internals.html#gae9b849a9a883fe1fd697278bd8d49585">NJB_Error_Dump</a>(njb,stderr);
} <span class="keywordflow">else</span> {
<span class="keywordflow">if</span> ( mode == PL_DELETE ) {
status= <a name="a26"></a><a class="code" href="group__playlistapi.html#gaef5c50b91f4fcefde57920aab70a6d7d">NJB_Delete_Playlist</a>(njb,
playlist-><a class="code" href="structnjb__playlist__struct.html#ac581be97d7858c7e304faecf6a36aef0">plid</a>);
} <span class="keywordflow">else</span> {
<span class="keywordflow">if</span> ( <a class="code" href="group__playlistapi.html#ga7027ca2a82c4982ccc0f9a7e3c3a9a8c">NJB_Playlist_Set_Name</a>(playlist, newname) == -1 ) {
status = -1;
} <span class="keywordflow">else</span> {
status= <a class="code" href="group__playlistapi.html#gae1873045c0cd0eb27465992c3479b975">NJB_Update_Playlist</a>(njb,
playlist);
}
}
}
<span class="keywordflow">if</span> ( status == -1 ) <a class="code" href="group__internals.html#gae9b849a9a883fe1fd697278bd8d49585">NJB_Error_Dump</a>(njb,stderr);
}
<a name="a27"></a><a class="code" href="group__basic.html#ga69d4034384f1bd033ed2c9ba7a9b32d4">NJB_Release</a>(njb);
<a name="a28"></a><a class="code" href="group__basic.html#ga13a9c926c430f38f3a6535ecaaf3e9b9">NJB_Close</a>(njb);
<span class="keywordflow">return</span> 0;
}
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