void
do_expr(char *dir, char *file)
{
id3_tag_list *list, *fstlist;
id3_tag *tag;
mpeg_header *head;
printf("Checking tag of file %s\n", file);
res->checked++;
head = mp_get_mpeg_header_from_file(file);
if(!head) {
printf("W A R N I N G: Cannot get mpeg header for file %s\n", file);
}
// TODO
xfree(head);
/* Get tag list */
if((fstlist = list = mp_get_tag_list_from_file(file)))
{
id3_content* cont;
id3_text_content* tcont;
id3_comment_content* ccont;
do {
char* curver = (list->tag->version == 2 ? "v2" : "v1");
tag = list->tag;
if(!tag) {
printf("%s: empty tag as list element\n");
}
cont = mp_get_content(tag, MP_ARTIST);
if(cont) {
tcont = mp_parse_artist(cont);
if(!tcont)
printf("%s: artist text content is null", file);
else
if(!tcont->text)
printf("%s: artist string provided with value null", file);
else
printf("artist %s: %s\n", curver, tcont->text);
mp_free_text_content(tcont);
mp_free_content(cont);
}
/* Beware! C&P code */
cont = mp_get_content(tag, MP_TITLE);
if(cont) {
tcont = mp_parse_title(cont);
if(!tcont)
printf("E R R O R: title text content is null", file);
else
if(!tcont->text)
printf("E R R O R: artist string provided with value null", file);
else
printf("title %s: %s\n", curver, tcont->text);
mp_free_text_content(tcont);
mp_free_content(cont);
}
cont = mp_get_content(tag, MP_ALBUM);
if(cont) {
tcont = mp_parse_album(cont);
if(!tcont)
printf("E R R O R: album text content is null", file);
else
if(!tcont->text)
printf("E R R O R: album string provided with value null", file);
else
printf("album %s: %s\n", curver, tcont->text);
mp_free_text_content(tcont);
mp_free_content(cont);
}
cont = mp_get_content(tag, MP_YEAR);
if(cont) {
tcont = mp_parse_year(cont);
if(!tcont)
printf("E R R O R: year text content is null", file);
else
if(!tcont->text)
printf("E R R O R: year string provided with value null", file);
else
printf("year %s: %s\n", curver, tcont->text);
mp_free_text_content(tcont);
mp_free_content(cont);
}
cont = mp_get_content(tag, MP_TRACK);
if(cont) {
tcont = mp_parse_track(cont);
if(!tcont)
printf("E R R O R: track text content is null", file);
else
if(!tcont->text)
printf("E R R O R: track string provided with value null", file);
else
printf("track %s: %s\n", curver, tcont->text);
mp_free_text_content(tcont);
mp_free_content(cont);
}
cont = mp_get_content(tag, MP_GENRE);
if(cont) {
tcont = mp_parse_genre(cont);
if(!tcont)
printf("E R R O R: genre text content is null", file);
else
if(!tcont->text)
printf("E R R O R: genre string provided with value null", file);
else
printf("genre %s: %s\n", curver, tcont->text);
mp_free_text_content(tcont);
mp_free_content(cont);
}
cont = mp_get_content(tag, MP_COMMENT);
if(cont) {
ccont = mp_parse_comment(cont);
if(!ccont)
printf("E R R O R: comment text content is null", file);
else
if(!ccont->text)
printf("E R R O R: comment string provided with value null", file);
else
printf("comment %s: %s\n", curver, ccont->text);
mp_free_comment_content(ccont);
mp_free_content(cont);
}
} while((list = list->next));
mp_free_list(fstlist);
}
else
{
puts("No tags found");
}
}
int
mp_set_content(id3_tag* tag, const int field, id3_content* new_content)
{
id3v1_tag *v1;
id3v2_tag *v2;
if(!tag) return MP_EERROR;
if(tag->version == 2)
{
return mp_set_content_at_pos(tag, field, new_content, 0);
}
else if(tag->version == 1)
{
unsigned char c;
char *my_val;
int len, j;
v1 = tag->tag;
switch(field)
{
#define FLD(str1, str2, str3, str4) \
case str1:\
if(!new_content) v1->str2 = NULL;\
else\
{\
id3_text_content *tc = str4(new_content);\
if(strlen(tc->text) > str3 || tc->encoding != ISO_8859_1)\
{\
mp_convert_to_v2(tag);\
mp_free_text_content(tc);\
return mp_set_content(tag, field, new_content);\
}\
\
v1->str2 = tc->text;\
xfree(tc);\
}\
break;
FLD(MP_ARTIST, artist, 30, mp_parse_artist);
FLD(MP_TITLE, title, 30, mp_parse_title);
FLD(MP_ALBUM, album, 30, mp_parse_album);
FLD(MP_YEAR, year, 4, mp_parse_year);
case MP_COMMENT:
if(!new_content) v1->comment = NULL;
else
{
id3_comment_content *tc = mp_parse_comment(new_content);
if(strlen(tc->text) > 30 || tc->short_descr || tc->encoding != ISO_8859_1)
{
mp_convert_to_v2(tag);
mp_free_comment_content(tc);
return mp_set_content(tag, field, new_content);
}
v1->comment = xmallocd0(strlen(tc->text)+1,
"mp_set_content:v1->comment");
memcpy(v1->comment, tc->text, strlen(tc->text));
mp_free_comment_content(tc);
}
break;
case MP_TRACK:
if(!new_content) v1->track = 0;
else
{
id3_text_content *tc = mp_parse_track(new_content);
#ifdef HAVE_STRTOL
errno = 0;
j = strtol(tc->text, (char **)NULL, 10);
if(errno != ERANGE) v1->track = j;
else return MP_EERROR;
#else
v1->track = atoi(tc->text);
#endif
mp_free_text_content(tc);
}
break;
case MP_GENRE:
if(!new_content) v1->genre = 0xFF;
else
{
int b = 0, i;
id3_text_content *tc = mp_parse_genre(new_content);
/* i = strlen(tc->text); */
for(c = 0; c < GLL; c++) {
if(!strcmp(genre_list[c], tc->text))
{
v1->genre = c;
b = 1;
}
}
mp_free_text_content(tc);
if(!b)
{
mp_convert_to_v2(tag);
return mp_set_content(tag, field, new_content);
}
break;
}
}
}
else if(tag->version == -1) return MP_EVERSION;
else return MP_EFNF;
return 0;
}