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extraction of subtitle (episode title) from the summary of sky-it EPG

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(the regexp looks garbled because single quote can even occur in the subtitle and I don't want to introduce pcre dependency)
This commit is contained in:
Mario Di Raimondo 2014-09-14 20:56:38 +02:00 • committed by Jaroslav Kysela
parent 388c665a90
commit d5f96489da
1 changed files with 25 additions and 3 deletions
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28
src/epggrab/module/opentv.c
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@ -170,6 +170,11 @@ static const char *_opentv_se_num_patterns[] = {
"() *Ep\\. ?([0-9]+) ?-" }; /* for Sky IT */
static regex_t *_opentv_se_num_pregs;
/* Patterns for the extraction of subtitles from summary of events*/
static const char *_opentv_subtitle_patterns[] = {
"^[^-]+- '(([^']*(' [^A-Z0-9])?('[^ ])?)+)' " }; /* for Sky IT */
static regex_t *_opentv_subtitle_pregs;
/* Parse huffman encoded string */
static char *_opentv_parse_string
( opentv_module_t *prov, const uint8_t *buf, int len )
@ -350,10 +355,10 @@ opentv_parse_event_section
}
if (ev.summary) {
regmatch_t match[3];
char buf[1024];
int i;
/* Parse Series/Episode
* TODO: HACK: this needs doing properly */
/* Parse Series/Episode */
for (i = 0; i < ARRAY_SIZE(_opentv_se_num_patterns); i++) {
if (!regexec(_opentv_se_num_pregs+i, ev.summary, 3, match, 0)) {
epg_episode_num_t en;
@ -367,6 +372,17 @@ opentv_parse_event_section
break; /* skip other patterns */
}
}
/* Parse Subtitle */
for (i = 0; i < ARRAY_SIZE(_opentv_subtitle_patterns); i++) {
if (!regexec(_opentv_subtitle_pregs+i, ev.summary, 2, match, 0) && match[1].rm_eo - match[1].rm_so <= sizeof(buf) - 1 ) {
memcpy(buf, ev.summary + match[1].rm_so, match[1].rm_eo - match[1].rm_so);
buf[match[1].rm_eo - match[1].rm_so] = '\0';
tvhdebug("opentv", " extract from summary subtitle %s", buf);
save |= epg_episode_set_subtitle(ee, buf, lang, src);
break; /* skip other patterns */
}
}
}
}
@ -829,7 +845,10 @@ void opentv_init ( void )
/* Compile some recurring regular-expressions */
_opentv_se_num_pregs = calloc(ARRAY_SIZE(_opentv_se_num_patterns), sizeof(regex_t));
for (i = 0; i < ARRAY_SIZE(_opentv_se_num_patterns); i++)
regcomp(_opentv_se_num_pregs+i, _opentv_se_num_patterns[i], REG_ICASE | REG_EXTENDED);
assert(!regcomp(_opentv_se_num_pregs+i, _opentv_se_num_patterns[i], REG_ICASE | REG_EXTENDED));
_opentv_subtitle_pregs = calloc(ARRAY_SIZE(_opentv_subtitle_patterns), sizeof(regex_t));
for (i = 0; i < ARRAY_SIZE(_opentv_subtitle_patterns); i++)
assert(!regcomp(_opentv_subtitle_pregs+i, _opentv_subtitle_patterns[i], REG_EXTENDED));
}
void opentv_done ( void )
@ -853,6 +872,9 @@ void opentv_done ( void )
for (i = 0; i < ARRAY_SIZE(_opentv_se_num_patterns); i++)
regfree(_opentv_se_num_pregs+i);
free(_opentv_se_num_pregs);
for (i = 0; i < ARRAY_SIZE(_opentv_subtitle_patterns); i++)
regfree(_opentv_subtitle_pregs+i);
free(_opentv_subtitle_pregs);
}
void opentv_load ( void )