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Rudimentary BCP 47 check for Region/Script/Variant

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Hardy 2020-11-07 21:29:39 +01:00 committed by GitHub
parent 9481a959cb
commit d763ea837a
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1 changed files with 16 additions and 10 deletions
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26
OsmAnd/src/net/osmand/plus/voice/TTSCommandPlayerImpl.java
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@ -191,19 +191,25 @@ public class TTSCommandPlayerImpl extends AbstractPrologCommandPlayer {
final float speechRate = cSpeechRate;
final String[] lsplit = (language + "____.").split("[\\_\\-]");
// constructor supports 'lang-country-variant'
Locale newLocale0 = new Locale(lsplit[0]);
try {
newLocale0 = new Locale(lsplit[0], lsplit[1]);
newLocale0 = new Locale(lsplit[0], lsplit[1], lsplit[2]);
} catch (RuntimeException e) {
// Falls back to language only
// As per BCP 47: well formed scripts [a-zA-Z]{4}, variants [0-9][0-9a-zA-Z]{3} | [0-9a-zA-Z]{5,8}, countries/regions [a-zA-Z]{2} | [0-9]{3}
String lregion = "";
String lvariant = "";
String lscript = "";
for (int i=3; i>0; i--) {
if (lsplit[i].length() == 4 && !(lsplit[i] + "A").substring(0, 1).matches("[0-9]")) {
lscript = lsplit[i];
} else if (lsplit[i].length() >= 4) {
lvariant = lsplit[i];
} else {
lregion = lsplit[i];
}
// #3344: Try Locale builder instead of constructor (only available from API 21). Also supports script (for now supported as trailing 'l-c-v-Scrp')
}
// Locale constructor supports 'language, region, variant'
Locale newLocale0 = new Locale(lsplit[0], lregion, lvariant);
// #3344: Try Locale builder instead (only available from API 21), also supports script (we support as 4 letters)
if (android.os.Build.VERSION.SDK_INT >= 21) {
try {
newLocale0 = new Locale.Builder().setLanguage(lsplit[0]).setScript(lsplit[3]).setRegion(lsplit[1]).build();
newLocale0 = new Locale.Builder().setLanguage(lsplit[0]).setScript(lsplit[3]).setRegion(lsplit[1]).setVariant(lsplit[2]).build();
newLocale0 = new Locale.Builder().setLanguage(lsplit[0]).setScript(lscript).setRegion(lregion).setVariant(lvariant).build();
} catch (RuntimeException e) {
// Falls back to constructor
}