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ICU-4588 prepareShortStringOpen function

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X-SVN-Rev: 17963
This commit is contained in:
Vladimir Weinstein 2005-06-21 20:46:04 +00:00
parent cfec7b565f
commit 21775c8f6f
1 changed files with 64 additions and 0 deletions
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64
icu4c/source/i18n/ucol_sit.cpp
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@ -13,6 +13,8 @@
* 03/12/2004 weiv Creation
*/
#include "unicode/ustring.h"
#include "utracimp.h"
#include "ucol_imp.h"
#include "ucol_tok.h"
@ -424,6 +426,68 @@ ucol_sit_calculateWholeLocale(CollatorSpec *s) {
}
}
U_CAPI void U_EXPORT2
ucol_prepareShortStringOpen( const char *definition,
UBool forceDefaults,
UParseError *parseError,
UErrorCode *status)
{
if(U_FAILURE(*status)) return;
UParseError internalParseError;
if(!parseError) {
parseError = &internalParseError;
}
parseError->line = 0;
parseError->offset = 0;
parseError->preContext[0] = 0;
parseError->postContext[0] = 0;
// first we want to pick stuff out of short string.
// we'll end up with an UCA version, locale and a bunch of
// settings
// analyse the string in order to get everything we need.
const char *string = definition;
CollatorSpec s;
ucol_sit_initCollatorSpecs(&s);
string = ucol_sit_readSpecs(&s, definition, parseError, status);
ucol_sit_calculateWholeLocale(&s);
char buffer[internalBufferSize];
uprv_memset(buffer, 0, internalBufferSize);
uloc_canonicalize(s.locale, buffer, internalBufferSize, status);
UResourceBundle *b = ures_open(U_ICUDATA_COLL, buffer, status);
/* we try to find stuff from keyword */
UResourceBundle *collations = ures_getByKey(b, "collations", NULL, status);
UResourceBundle *collElem = NULL;
char keyBuffer[256];
// if there is a keyword, we pick it up and try to get elements
if(!uloc_getKeywordValue(buffer, "collation", keyBuffer, 256, status)) {
// no keyword. we try to find the default setting, which will give us the keyword value
UResourceBundle *defaultColl = ures_getByKeyWithFallback(collations, "default", NULL, status);
if(U_SUCCESS(*status)) {
int32_t defaultKeyLen = 0;
const UChar *defaultKey = ures_getString(defaultColl, &defaultKeyLen, status);
u_UCharsToChars(defaultKey, keyBuffer, defaultKeyLen);
keyBuffer[defaultKeyLen] = 0;
} else {
*status = U_INTERNAL_PROGRAM_ERROR;
return;
}
ures_close(defaultColl);
}
collElem = ures_getByKeyWithFallback(collations, keyBuffer, collElem, status);
ures_close(collElem);
ures_close(collations);
ures_close(b);
}
U_CAPI UCollator* U_EXPORT2
ucol_openFromShortString( const char *definition,
UBool forceDefaults,