[renamed] cdtext_languages_available to cdtext_list_languages

[fixed] C++ CD-Text API
[fixed] C++ CD-Text example

example/C++/OO/cdtext.cpp

@@ -21,83 +21,93 @@
  */
 #ifdef HAVE_CONFIG_H
 #include "config.h"
+#define __CDIO_CONFIG_H__ 1
 #endif
 
 #ifdef HAVE_STDIO_H
 #include <stdio.h>
 #endif
-#ifdef HAVE_SYS_TYPES_H
-#include <sys/types.h>
-#endif
 
 #include <cdio++/cdio.hpp>
 
 /* Set up a CD-DA image to test on which is in the libcdio distribution. */
-#define CDDA_IMAGE_PATH  "../../../test/"
+#define CDDA_IMAGE "../../../test/data/cdtext.cue"
-#define CDDA_IMAGE CDDA_IMAGE_PATH "cdda.cue"
 
 static void 
-print_cdtext_track_info(CdioDevice *device, track_t i_track, 
+print_cdtext_track_info(CdioCDText *cdtext, track_t i_track) {
-                        const char *psz_msg) {
-  cdtext_t *cdtext = device->getCdtext();
-  if (NULL != cdtext) {
   cdtext_field_t i;
 
-    printf("%s\n", psz_msg);
+  for (i=(cdtext_field_t) 0; i < MAX_CDTEXT_FIELDS; i++) {
-    
+    if (cdtext->getConst(i, i_track)) {
-    for (i= (cdtext_field_t) MIN_CDTEXT_FIELD; i < MAX_CDTEXT_FIELDS; i++) {
+      printf("\t%s: %s\n", cdtext->field2str(i),
-      if (cdtext_get_const(i, i_track, cdtext)) {
+             cdtext->getConst(i, i_track));
-        printf("\t%s: %s\n", cdtext_field2str(i), 
-               cdtext_get_const(i, i_track, cdtext));
-      }
     }
   }
 }
     
 static void 
-print_disc_info(CdioDevice *device, track_t i_tracks, track_t i_first_track) {
+print_disc_info(CdioDevice *device)
+{
+  track_t i_first_track = device->getFirstTrackNum();
+  track_t i_tracks = device->getNumTracks();
   track_t i_last_track = i_first_track+i_tracks;
   discmode_t cd_discmode = device->getDiscmode();
+  CdioCDText *cdtext = device->getCdtext();
+  int i;
 
-  printf("%s\n", discmode2str[cd_discmode]);
+  printf("Discmode: %s\n\n", discmode2str[cd_discmode]);
 
-  print_cdtext_track_info(device, 0, "\nCD-Text for Disc:");
+  if (NULL == cdtext)
-  for ( ; i_first_track < i_last_track; i_first_track++ ) {
+  {
-    char psz_msg[50];
+    printf("No CD-Text found on Disc.\n");
-    sprintf(psz_msg, "CD-Text for Track %d:", i_first_track);
+    return;
-    print_cdtext_track_info(device, i_first_track, psz_msg);
   }
+
+  /* print available languages */
+  {
+    cdtext_lang_t *languages;
+
+    printf("CD-Text available in: ");
+
+    languages = cdtext->listLanguages();
+    for(i=0; i<8; i++)
+      if ( CDTEXT_LANGUAGE_UNKNOWN != languages[i])
+          printf("%s ", cdtext->lang2str(languages[i]));
+    printf("\n");
+  }
+
+  printf("CD-Text for Disc:\n");
+  print_cdtext_track_info(cdtext, 0);
+  for (i = i_first_track ; i < i_last_track; i++ ) {
+    printf("CD-Text for Track %d:\n", i);
+    print_cdtext_track_info(cdtext, i);
+  }
+
+  delete cdtext;
 }
 
 int
 main(int argc, const char *argv[])
 {
-  track_t i_first_track;
-  track_t i_tracks;
   CdioDevice *device = new CdioDevice;
-  const char *psz_drive = NULL;
+  const char *psz_drive = (const char *) NULL;
 
   if (!device->open(CDDA_IMAGE, DRIVER_BINCUE)) {
     printf("Couldn't open " CDDA_IMAGE " with BIN/CUE driver.\n");
   } else {
-    i_first_track = device->getFirstTrackNum();
+    print_disc_info(device);
-    i_tracks      = device->getNumTracks();
-    print_disc_info(device, i_tracks, i_first_track);
   }
 
   if (argc > 1) psz_drive = argv[1];
 
   if (!device->open(psz_drive, DRIVER_DEVICE)) {
     printf("Couldn't find CD\n");
-    delete(device);
     return 1;
   } else {
-    i_first_track = device->getFirstTrackNum();
+    print_disc_info(device);
-    i_tracks      = device->getNumTracks();
-    print_disc_info(device, i_tracks, i_first_track);
   }
 
-  delete(device);
+  delete device;
 
   return 0;
 }

example/cdtext.c

@@ -20,6 +20,7 @@
    libcdio.  See also corresponding C++ programs of similar names. */
 
 #define EXAMPLE_CUE_FILE "../test/data/cdtext.cue"
+#define EXAMPLE_PREF_LANG "German"
 
 #ifdef HAVE_CONFIG_H
 #include "config.h"
@@ -29,19 +30,13 @@
 #ifdef HAVE_STDIO_H
 #include <stdio.h>
 #endif
-#ifdef HAVE_SYS_TYPES_H
-#include <sys/types.h>
-#endif
 
 #include <cdio/cdio.h>
-#include <cdio/cdtext.h>
 
 static void 
-print_cdtext_track_info(cdtext_t *cdtext, track_t i_track, const char *psz_msg) {
+print_cdtext_track_info(cdtext_t *cdtext, track_t i_track) {
     cdtext_field_t i;
     
-    printf("%s\n", psz_msg);
-    
     for (i=0; i < MAX_CDTEXT_FIELDS; i++) {
         if (cdtext_get_const(cdtext, i, i_track)) {
             printf("\t%s: %s\n", cdtext_field2str(i), 
@@ -52,17 +47,19 @@ print_cdtext_track_info(cdtext_t *cdtext, track_t i_track, const char *psz_msg)
 }
 
 static void 
-print_disc_info(CdIo_t *p_cdio, track_t i_tracks, track_t i_first_track) {
+print_disc_info(CdIo_t *p_cdio) {
-    track_t i_last_track = i_first_track+i_tracks;
+    track_t i_first_track = cdio_get_first_track_num (p_cdio);
-    discmode_t cd_discmode = cdio_get_discmode(p_cdio);
+    track_t i_tracks = cdio_get_num_tracks (p_cdio);
-    cdtext_t *cdtext = cdio_get_cdtext(p_cdio);
+    track_t i_last_track = i_first_track + i_tracks;
+    discmode_t cd_discmode = cdio_get_discmode (p_cdio);
+    cdtext_t *cdtext = cdio_get_cdtext (p_cdio);
     int i;
     
-    printf("Discmode: %s\n", discmode2str[cd_discmode]);
+    printf("Discmode: %s\n\n", discmode2str[cd_discmode]);
     
     if (NULL == cdtext)
     {
-        printf("\nNo CD-Text found on Disc.");
+        printf("No CD-Text found on Disc.\n");
         return;
     }
 
@@ -70,9 +67,9 @@ print_disc_info(CdIo_t *p_cdio, track_t i_tracks, track_t i_first_track) {
     {
         cdtext_lang_t *languages;
 
-    printf("\nCD-Text available in: ");
+        printf("CD-Text available in: ");
 
-    languages = cdtext_languages_available(cdtext);
+        languages = cdtext_list_languages(cdtext);
         for(i=0; i<8; i++)
             if ( CDTEXT_LANGUAGE_UNKNOWN != languages[i])
                 printf("%s ", cdtext_lang2str(languages[i]));
@@ -80,27 +77,25 @@ print_disc_info(CdIo_t *p_cdio, track_t i_tracks, track_t i_first_track) {
     }
 
     /* select language */
-  if(cdtext_select_language(cdtext, "German")) {
+    if(cdtext_select_language(cdtext, EXAMPLE_PREF_LANG)) {
-    printf("%s selected.\n", "German");
+        printf("%s selected.\n", EXAMPLE_PREF_LANG);
     } else {
-    printf("'%s' is not available. Using '%s'\n", "German", 
+        printf("'%s' is not available. Using '%s'\n", EXAMPLE_PREF_LANG,
                cdtext_lang2str (cdtext_get_language (cdtext)));
     }
 
     /* print cd-text */
-  print_cdtext_track_info(cdtext, 0, "CD-Text for Disc:");
+    printf("CD-Text for Disc:\n");
+    print_cdtext_track_info(cdtext, 0);
     for (i=i_first_track ; i < i_last_track; i++ ) {
-      char psz_msg[50];
+        printf("CD-Text for Track %d\n:", i);
-      snprintf(psz_msg, sizeof(psz_msg), "CD-Text for Track %d:", i);
+        print_cdtext_track_info(cdtext, i);
-      print_cdtext_track_info(cdtext, i, psz_msg);
     }
 }
 
 int
 main(int argc, const char *argv[])
 {
-    track_t i_first_track;
-    track_t i_tracks;
     CdIo_t *p_cdio;
     
     /* read CD-Text from a bin/cue (CDRWIN) image */
@@ -109,9 +104,7 @@ main(int argc, const char *argv[])
         printf("Couldn't open %s with BIN/CUE driver.\n", 
                EXAMPLE_CUE_FILE);
     } else {
-        i_first_track = cdio_get_first_track_num(p_cdio);
+        print_disc_info(p_cdio);
-        i_tracks      = cdio_get_num_tracks(p_cdio);
-        print_disc_info(p_cdio, i_tracks, i_first_track);
         cdio_destroy(p_cdio);
     }
     
@@ -121,12 +114,9 @@ main(int argc, const char *argv[])
         printf("Couldn't find CD\n");
         return 77;
     } else {
-        i_first_track = cdio_get_first_track_num(p_cdio);
+        print_disc_info(p_cdio);
-        i_tracks      = cdio_get_num_tracks(p_cdio);
-        print_disc_info(p_cdio, i_tracks, i_first_track);
-    }
-    
         cdio_destroy(p_cdio);
+    }
     
     return 0;
 }

include/cdio++/cdio.hpp

@@ -101,9 +101,12 @@ void possible_throw_device_exception(driver_return_code_t drc);
 class CdioCDText
 {
 public: 
-  CdioCDText()
+  CdioCDText(cdtext_t *cdtext)
   { 
-    p_cdtext = cdtext_init(); // make sure we're initialized on the C side
+    if (NULL == cdtext)
+      cdtext = cdtext_init();
+
+    p_cdtext = cdtext;
   }
 
   ~CdioCDText() 

include/cdio++/cdtext.hpp

@@ -52,12 +52,6 @@ char *get (cdtext_field_t key, track_t i_track)
   return cdtext_get (p_cdtext, key, i_track);
 }
 
-/*! returns the C cdtext_t pointer associated with this object. */
-cdtext_t *get () 
-{
-  return p_cdtext;
-}
-
 /*! returns a const string associated with the given field.  NULL is
   returned if key is CDTEXT_INVALID or the field is not set.
   
@@ -81,6 +75,30 @@ void set (cdtext_field_t key, track_t i_track, const uint8_t *value, const char
   cdtext_set (p_cdtext, key, value, i_track, charset);
 }
 
+/*!
+  returns the selected language
+*/
+cdtext_lang_t getLanguage()
+{
+  return cdtext_get_language(p_cdtext);
+}
+
+/*!
+  selects a language
+*/
+bool selectLanguage(const char *lang)
+{
+  return cdtext_select_language(p_cdtext, lang);
+}
+
+/*!
+ returns a list of available languages
+*/
+cdtext_lang_t *listLanguages()
+{
+  return cdtext_list_languages(p_cdtext);
+}
+
 
 /* 
  * Local variables:

include/cdio++/disc.hpp

@@ -170,13 +170,18 @@ bool isDiscmodeDvd (discmode_t discmode)
 }
 
 /*! 
- *   Get CD-Text information for a CdIo_t object.
+  Get CD-Text information for a CdIo_t object.
- *     
+
- *       @return the CD-Text object or NULL if obj is NULL
+  @return the CD-Text object or NULL if obj is NULL
- *         or CD-Text information does not exist.
+  or CD-Text information does not exist.
- *         */
+ */
-cdtext_t *getCdtext () 
+CdioCDText *getCdtext ()
 {
-  return cdio_get_cdtext (p_cdio);
+  cdtext_t *cdtext = cdio_get_cdtext (p_cdio);
+
+  if (NULL == cdtext)
+    return (CdioCDText *) NULL;
+  else
+    return new CdioCDText(cdtext);
 }
 

include/cdio/cdtext.h

@@ -286,7 +286,7 @@ bool cdtext_select_language(cdtext_t *p_cdtext, const char *lang);
 
   @param p_cdtext the CD-TEXT object
 */
-cdtext_lang_t *cdtext_languages_available (const cdtext_t *p_cdtext);
+cdtext_lang_t *cdtext_list_languages (const cdtext_t *p_cdtext);
 
 /*! 
   Sets the given field at the given track to the given value.

lib/driver/cdtext.c

@@ -318,7 +318,7 @@ cdtext_get_language(const cdtext_t *p_cdtext)
   @param p_cdtext the CD-TEXT object
 */
 cdtext_lang_t
-*cdtext_languages_available(const cdtext_t *p_cdtext)
+*cdtext_list_languages(const cdtext_t *p_cdtext)
 {
   static cdtext_lang_t avail[CDTEXT_NUM_BLOCKS_MAX];
   int i, j=0;

lib/driver/libcdio.sym

@@ -188,7 +188,7 @@ cdtext_get
 cdtext_get_const
 cdtext_get_language
 cdtext_init
-cdtext_languages_available
+cdtext_list_languages
 cdtext_set
 cdtext_select_language
 debug_cdio_mmc_feature

src/cd-info.c

@@ -442,7 +442,7 @@ print_cdtext_info(CdIo_t *p_cdio, track_t i_tracks, track_t i_first_track) {
     return;
   }
   
-  languages = cdtext_languages_available(p_cdtext);
+  languages = cdtext_list_languages(p_cdtext);
   for(i=0; i<8; i++)
     if ( CDTEXT_LANGUAGE_UNKNOWN != languages[i]
          && cdtext_select_language(p_cdtext, cdtext_lang2str(languages[i])))