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Handle weird playlists better

This commit is contained in:
Přemysl Eric Janouch 2017-06-22 21:25:52 +02:00
parent f875109201
commit 99f35a509c
Signed by: p
GPG Key ID: B715679E3A361BE6
1 changed files with 28 additions and 15 deletions
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43
nncmpp.c
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@ -2324,6 +2324,32 @@ is_content_type (const char *content_type,
return result;
}
static void
streams_tab_filter (char *line, regex_t *re, struct strv *out)
{
regmatch_t groups[2];
if (regexec (re, line, 2, groups, 0) == REG_NOMATCH)
return;
// It may happen that playlist files contain useless, invalid quotes,
// let's be liberal in what we accept
regoff_t start = groups[1].rm_so, end = groups[1].rm_eo;
while (end > start + 1 && line[start] == '"' && line[end - 1] == '"')
{
start++;
end--;
}
char *target = xstrndup (line + start, end - start);
if (utf8_validate (target, end - start))
strv_append_owned (out, target);
else
{
strv_append_owned (out, latin1_to_utf8 (target));
free (target);
}
}
static void
streams_tab_parse_playlist (const char *playlist, const char *content_type,
struct strv *out)
@ -2338,28 +2364,15 @@ streams_tab_parse_playlist (const char *playlist, const char *content_type,
"(https?://([][a-z0-9._~:/?#@!$&'()*+,;=-]|%[a-f0-9]{2})+)";
if ((lines.len && !strcasecmp_ascii (lines.vector[0], "[playlist]"))
|| (content_type && is_content_type (content_type, "audio", "x-scpls")))
extract_re = "^File[^=]*=(.*)";
extract_re = "^File[^=]*=(.+)";
else if ((lines.len && !strcasecmp_ascii (lines.vector[0], "#EXTM3U"))
|| (content_type && is_content_type (content_type, "audio", "x-mpegurl")))
extract_re = "^([^#].*)";
regex_t *re = regex_compile (extract_re, REG_EXTENDED, NULL);
hard_assert (re != NULL);
regmatch_t groups[2];
for (size_t i = 0; i < lines.len; i++)
if (regexec (re, lines.vector[i], 2, groups, 0) != REG_NOMATCH)
{
char *target = xstrndup (lines.vector[i] + groups[1].rm_so,
groups[1].rm_eo - groups[1].rm_so);
if (utf8_validate (target, strlen (target)))
strv_append_owned (out, target);
else
{
strv_append_owned (out, latin1_to_utf8 (target));
free (target);
}
}
streams_tab_filter (lines.vector[i], re, out);
regex_free (re);
strv_free (&lines);
}