TransliteratorEntry* TransliteratorRegistry::find(UnicodeString& source,
UnicodeString& target,
UnicodeString& variant) {
TransliteratorSpec src(source);
TransliteratorSpec trg(target);
TransliteratorEntry* entry;
if (variant.length() != 0) {
// Seek exact match in hashtable
entry = findInDynamicStore(src, trg, variant);
if (entry != 0) {
return entry;
}
// Seek exact match in locale resources
entry = findInStaticStore(src, trg, variant);
if (entry != 0) {
return entry;
}
}
for (;;) {
src.reset();
for (;;) {
// Seek match in hashtable
entry = findInDynamicStore(src, trg, NO_VARIANT);
if (entry != 0) {
return entry;
}
// Seek match in locale resources
entry = findInStaticStore(src, trg, NO_VARIANT);
if (entry != 0) {
return entry;
}
if (!src.hasFallback()) {
break;
}
src.next();
}
if (!trg.hasFallback()) {
break;
}
trg.next();
}
return 0;
}
/**
* Top-level find method. Attempt to find a source-target/variant in
* either the dynamic or the static (locale resource) store. Perform
* fallback.
*
* Lookup sequence for ss_SS_SSS-tt_TT_TTT/v:
*
* ss_SS_SSS-tt_TT_TTT/v -- in hashtable
* ss_SS_SSS-tt_TT_TTT/v -- in ss_SS_SSS (no fallback)
*
* repeat with t = tt_TT_TTT, tt_TT, tt, and tscript
*
* ss_SS_SSS-t/ *
* ss_SS-t/ *
* ss-t/ *
* sscript-t/ *
*
* Here * matches the first variant listed.
*
* Caller does NOT own returned object. Return 0 on failure.
*/
TransliteratorEntry* TransliteratorRegistry::find(UnicodeString& source,
UnicodeString& target,
UnicodeString& variant) {
TransliteratorSpec src(source);
TransliteratorSpec trg(target);
TransliteratorEntry* entry;
// Seek exact match in hashtable. Temporary fix for ICU 4.6.
// TODO: The general logic for finding a matching transliterator needs to be reviewed.
// ICU ticket #8089
UnicodeString ID;
TransliteratorIDParser::STVtoID(source, target, variant, ID);
entry = (TransliteratorEntry*) registry.get(ID);
if (entry != 0) {
// std::string ss;
// std::cout << ID.toUTF8String(ss) << std::endl;
return entry;
}
if (variant.length() != 0) {
// Seek exact match in hashtable
entry = findInDynamicStore(src, trg, variant);
if (entry != 0) {
return entry;
}
// Seek exact match in locale resources
entry = findInStaticStore(src, trg, variant);
if (entry != 0) {
return entry;
}
}
for (;;) {
src.reset();
for (;;) {
// Seek match in hashtable
entry = findInDynamicStore(src, trg, NO_VARIANT);
if (entry != 0) {
return entry;
}
// Seek match in locale resources
entry = findInStaticStore(src, trg, NO_VARIANT);
if (entry != 0) {
return entry;
}
if (!src.hasFallback()) {
break;
}
src.next();
}
if (!trg.hasFallback()) {
break;
}
trg.next();
}
return 0;
}
