<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> <html><head><meta http-equiv="Content-Type" content="text/html;charset=UTF-8"> <title>libnjb: tagtr.c</title> <link href="tabs.css" rel="stylesheet" type="text/css"> <link href="doxygen.css" rel="stylesheet" type="text/css"> </head><body> <!-- Generated by Doxygen 1.5.9 --> <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="annotated.html"><span>Data Structures</span></a></li> <li><a href="files.html"><span>Files</span></a></li> <li><a href="dirs.html"><span>Directories</span></a></li> <li><a href="examples.html"><span>Examples</span></a></li> </ul> </div> </div> <div class="contents"> <h1>tagtr.c</h1><div class="fragment"><pre class="fragment"><span class="preprocessor">#include "common.h"</span> <span class="preprocessor">#include <string.h></span> <span class="keyword">static</span> <span class="keywordtype">char</span> *prompt (<span class="keyword">const</span> <span class="keywordtype">char</span> *prompt, <span class="keywordtype">char</span> *buffer, <span class="keywordtype">size_t</span> bufsz, <span class="keywordtype">int</span> required) { <span class="keywordtype">char</span> *cp, *bp; <span class="keywordflow">while</span> (1) { fprintf(stdout, <span class="stringliteral">"%s> "</span>, prompt); <span class="keywordflow">if</span> ( fgets(buffer, bufsz, stdin) == NULL ) { <span class="keywordflow">if</span> (ferror(stdin)) { perror(<span class="stringliteral">"fgets"</span>); } <span class="keywordflow">else</span> { fprintf(stderr, <span class="stringliteral">"EOF on stdin\n"</span>); } <span class="keywordflow">return</span> NULL; } cp= strrchr(buffer, <span class="charliteral">'\n'</span>); <span class="keywordflow">if</span> ( cp != NULL ) *cp= <span class="charliteral">'\0'</span>; bp= buffer; <span class="keywordflow">while</span> ( bp != cp ) { <span class="keywordflow">if</span> ( *bp != <span class="charliteral">' '</span> && *bp != <span class="charliteral">'\t'</span> ) <span class="keywordflow">return</span> bp; bp++; } <span class="keywordflow">if</span> (! required) <span class="keywordflow">return</span> bp; } } <span class="keyword">static</span> <span class="keywordtype">void</span> usage (<span class="keywordtype">void</span>) { fprintf(stderr, <span class="stringliteral">"usage: tagtr [ -D debuglvl ] <trackid>\n"</span>); exit(1); } <span class="keywordtype">int</span> main(<span class="keywordtype">int</span> argc, <span class="keywordtype">char</span> **argv) { <a name="_a0"></a><a class="code" href="structnjb__struct.html">njb_t</a> njbs[<a name="a1"></a><a class="code" href="libnjb_8h.html#46e41076f44166b6446e3fdae6db62a9">NJB_MAX_DEVICES</a>], *njb; <span class="keywordtype">int</span> n, opt, debug, lookup; <span class="keyword">extern</span> <span class="keywordtype">char</span> *optarg; <span class="keyword">extern</span> <span class="keywordtype">int</span> optind; <span class="keywordtype">char</span> filename[80], artist[80], title[80], genre[80], codec[80], album[80]; <span class="keywordtype">char</span> num[80]; <span class="keywordtype">char</span> *pfilename, *partist, *ptitle, *pgenre, *pcodec, *palbum, *pnum; <span class="keywordtype">char</span> *endptr; u_int16_t tracknum, length, year; u_int32_t filesize; <span class="keywordtype">int</span> trackid; <span class="keywordtype">char</span> *lang; <a name="_a2"></a><a class="code" href="structnjb__songid__struct.html">njb_songid_t</a> *songid; <a name="_a3"></a><a class="code" href="structnjb__songid__frame__struct.html">njb_songid_frame_t</a> *frame; debug = 0; lookup = 0; <span class="keywordflow">while</span> ( (opt= getopt(argc, argv, <span class="stringliteral">"D:l"</span>)) != -1 ) { <span class="keywordflow">switch</span> (opt) { <span class="keywordflow">case</span> <span class="charliteral">'l'</span>: lookup= 1; <span class="keywordflow">case</span> <span class="charliteral">'D'</span>: debug= atoi(optarg); <span class="keywordflow">break</span>; <span class="keywordflow">default</span>: usage(); } } argc-= optind; argv+= optind; <span class="keywordflow">if</span> ( argc != 1 ) usage(); <span class="keywordflow">if</span> ( debug ) <a name="a4"></a><a class="code" href="group__internals.html#ga5ff48cc89e320bc1c1d89efd2613d77">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="a5"></a><a class="code" href="group__internals.html#g22a893c243cd4398de35fcdea5b49b39">NJB_Set_Unicode</a>(<a name="a6"></a><a class="code" href="group__unicodeflags.html#g388e9c70b7a684c777f6b25e2e9d801b">NJB_UC_UTF8</a>); } } } trackid= strtoul(argv[0], &endptr, 10); <span class="keywordflow">if</span> ( endptr[0] != <span class="charliteral">'\0'</span> ) { fprintf(stderr, <span class="stringliteral">"invalid id %s\n"</span>, argv[1]); <span class="keywordflow">return</span> 1; } <span class="keywordflow">if</span> ( (pcodec= prompt(<span class="stringliteral">"CODEC"</span>, codec, 80, 0)) == NULL ) <span class="keywordflow">return</span> 1; <span class="keywordflow">if</span> ( ! strlen(pcodec) ) pcodec= NULL; <span class="keywordflow">if</span> ( (ptitle= prompt(<span class="stringliteral">"Title"</span>, title, 80, 0)) == NULL ) <span class="keywordflow">return</span> 1; <span class="keywordflow">if</span> ( ! strlen(ptitle) ) ptitle= NULL; <span class="keywordflow">if</span> ( (palbum= prompt(<span class="stringliteral">"Album"</span>, album, 80, 0)) == NULL ) <span class="keywordflow">return</span> 1; <span class="keywordflow">if</span> ( ! strlen(palbum) ) palbum= NULL; <span class="keywordflow">if</span> ( (partist= prompt(<span class="stringliteral">"Artist"</span>, artist, 80, 0)) == NULL ) <span class="keywordflow">return</span> 1; <span class="keywordflow">if</span> ( ! strlen(partist) ) partist= NULL; <span class="keywordflow">if</span> ( (pgenre= prompt(<span class="stringliteral">"Genre"</span>, genre, 80, 0)) == NULL ) <span class="keywordflow">return</span> 1; <span class="keywordflow">if</span> ( ! strlen(pgenre) ) pgenre= NULL; <span class="keywordflow">if</span> ( (pfilename= prompt(<span class="stringliteral">"File path"</span>, filename, 80, 0)) == NULL ) <span class="keywordflow">return</span> 1; <span class="keywordflow">if</span> ( ! strlen(pfilename) ) pfilename= NULL; <span class="keywordflow">if</span> ( (pnum= prompt(<span class="stringliteral">"Track number"</span>, num, 80, 0)) == NULL ) <span class="keywordflow">return</span> 1; <span class="keywordflow">if</span> ( strlen(pnum) ) { tracknum = strtoul(pnum, 0, 10); } <span class="keywordflow">else</span> { tracknum = 0; } <span class="keywordflow">if</span> ( (pnum= prompt(<span class="stringliteral">"Length"</span>, num, 80, 0)) == NULL ) <span class="keywordflow">return</span> 1; <span class="keywordflow">if</span> ( strlen(pnum) ) { length= strtoul(pnum, 0, 10); } <span class="keywordflow">else</span> { length= 0; } <span class="keywordflow">if</span> ( (pnum= prompt(<span class="stringliteral">"Year"</span>, num, 80, 0)) == NULL ) <span class="keywordflow">return</span> 1; <span class="keywordflow">if</span> ( strlen(pnum) ) { year = strtoul(pnum, 0, 10); } <span class="keywordflow">else</span> { year = 0; } filesize= 0; <span class="keywordflow">if</span> ( ! lookup ) { <span class="keywordflow">if</span> ( (pnum= prompt(<span class="stringliteral">"File size"</span>, num, 80, 0)) == NULL ) <span class="keywordflow">return</span> 1; <span class="keywordflow">if</span> ( strlen(pnum) ) { filesize = strtoul(pnum, 0, 10); } <span class="keywordflow">else</span> { filesize = 0; } } <span class="keywordflow">if</span> (<a name="a7"></a><a class="code" href="group__basic.html#g199efd7711a70ae5d63f4052c2e492d3">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="a8"></a><a class="code" href="group__basic.html#ga631536b597d8f8cb73eeb47eff6640a">NJB_Open</a>(njb) == -1 ) { <a name="a9"></a><a class="code" href="group__internals.html#ge9b849a9a883fe1fd697278bd8d49585">NJB_Error_Dump</a>(njb,stderr); <span class="keywordflow">return</span> 1; } <a name="a10"></a><a class="code" href="group__basic.html#g023eb258743b5961ec1b85cbd62a55cb">NJB_Capture</a>(njb); songid = <a name="a11"></a><a class="code" href="group__tagapi.html#g78703030798af2be6808335c6542aa6d">NJB_Songid_New</a>(); frame = <a name="a12"></a><a class="code" href="group__tagapi.html#gbcbe1903a855d72b5e2b933c041a98bf">NJB_Songid_Frame_New_Codec</a>(pcodec); <a name="a13"></a><a class="code" href="group__tagapi.html#g0f78d8cde327dd995f7008935e295c37">NJB_Songid_Addframe</a>(songid, frame); frame = NJB_Songid_Frame_New_Filesize(filesize); <a class="code" href="group__tagapi.html#g0f78d8cde327dd995f7008935e295c37">NJB_Songid_Addframe</a>(songid, frame); frame = NJB_Songid_Frame_New_Title(ptitle); <a class="code" href="group__tagapi.html#g0f78d8cde327dd995f7008935e295c37">NJB_Songid_Addframe</a>(songid, frame); frame = NJB_Songid_Frame_New_Album(palbum); <a class="code" href="group__tagapi.html#g0f78d8cde327dd995f7008935e295c37">NJB_Songid_Addframe</a>(songid, frame); frame = NJB_Songid_Frame_New_Artist(partist); <a class="code" href="group__tagapi.html#g0f78d8cde327dd995f7008935e295c37">NJB_Songid_Addframe</a>(songid, frame); frame = NJB_Songid_Frame_New_Genre(pgenre); <a class="code" href="group__tagapi.html#g0f78d8cde327dd995f7008935e295c37">NJB_Songid_Addframe</a>(songid, frame); frame = NJB_Songid_Frame_New_Year(year); <a class="code" href="group__tagapi.html#g0f78d8cde327dd995f7008935e295c37">NJB_Songid_Addframe</a>(songid, frame); frame = NJB_Songid_Frame_New_Tracknum(tracknum); <a class="code" href="group__tagapi.html#g0f78d8cde327dd995f7008935e295c37">NJB_Songid_Addframe</a>(songid, frame); frame = NJB_Songid_Frame_New_Length(length); <a class="code" href="group__tagapi.html#g0f78d8cde327dd995f7008935e295c37">NJB_Songid_Addframe</a>(songid, frame); frame = NJB_Songid_Frame_New_Filename(pfilename); <a class="code" href="group__tagapi.html#g0f78d8cde327dd995f7008935e295c37">NJB_Songid_Addframe</a>(songid, frame); <span class="keywordflow">if</span> ( <a name="a14"></a><a class="code" href="group__tagapi.html#g8714367c0e56b681b75a7c7af9b2b739">NJB_Replace_Track_Tag</a>(njb, trackid, songid) == -1 ) { <a class="code" href="group__internals.html#ge9b849a9a883fe1fd697278bd8d49585">NJB_Error_Dump</a>(njb,stderr); } <span class="keywordflow">else</span> { printf(<span class="stringliteral">"NJB track ID: %u\n"</span>, trackid); } printf(<span class="stringliteral">"\n"</span>); <a name="a15"></a><a class="code" href="group__tagapi.html#g188d05568998e787366804565e9fcfb5">NJB_Songid_Destroy</a>(songid); <a name="a16"></a><a class="code" href="group__basic.html#g69d4034384f1bd033ed2c9ba7a9b32d4">NJB_Release</a>(njb); <span class="keywordflow">return</span> 0; } </pre></div> </div> <hr size="1"><address style="text-align: right;"><small>Generated on Sun Jul 26 17:17:26 2009 for libnjb by <a href="http://www.doxygen.org/index.html"> <img src="doxygen.png" alt="doxygen" align="middle" border="0"></a> 1.5.9 </small></address> </body> </html>