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Replacing blanks in language codes with underlines

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This commit is contained in:
Klaus Schmidinger
2006-10-08 11:28:15 +02:00
parent 29c0f9e1e0
commit a9d6bb256d
2 changed files with 30 additions and 9 deletions
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33
i18n.c
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@@ -4,7 +4,7 @@
* See the main source file 'vdr.c' for copyright information and
* how to reach the author.
*
* $Id: i18n.c 1.283 2006/10/07 12:18:10 kls Exp $
* $Id: i18n.c 1.284 2006/10/08 08:50:30 kls Exp $
*
* Translations provided by:
*
@@ -6243,12 +6243,31 @@ int I18nLanguageIndex(const char *Code)
const char *I18nNormalizeLanguageCode(const char *Code)
{
if (Code[0] && !isprint(Code[0]) || Code[1] && !isprint(Code[1]) || Code[2] && !isprint(Code[2])) {
// ISO 639 language codes are defined as alphabetical characters, but digits are apparently
// also used, for instance for "2ch". There are even channels that use blank characters.
//dsyslog("invalid language code: '%s'", Code);
return "???";
}
for (int i = 0; i < 3; i++) {
if (Code[i]) {
// ETSI EN 300 468 defines language codes as consisting of three letters
// according to ISO 639-2. This means that they are supposed to always consist
// of exactly three letters in the range a-z - no digits, UTF-8 or other
// funny characters. However, some broadcasters apparently don't have a
// copy of the DVB standard (or they do, but are perhaps unable to read it),
// so they put all sorts of non-standard stuff into the language codes,
// like nonsense as "2ch" or "A 1" (yes, they even go as far as using
// blanks!). Such things should go into the description of the EPG event's
// ComponentDescriptor.
// So, as a workaround for this broadcaster stupidity, let's ignore
// language codes with unprintable characters...
if (!isprint(Code[i])) {
//dsyslog("invalid language code: '%s'", Code);
return "???";
}
// ...and replace blanks with underlines (ok, this breaks the 'const'
// of the Code parameter - but hey, it's them who started this):
if (Code[i] == ' ')
*((char *)&Code[i]) = '_';
}
else
break;
}
int n = I18nLanguageIndex(Code);
return n >= 0 ? I18nLanguageCode(n) : Code;
}