/*
**********************************************************************
-* Copyright (C) 1997-2011, International Business Machines
+* Copyright (C) 1997-2014, International Business Machines
* Corporation and others. All Rights Reserved.
**********************************************************************
*
******************************************************************************
*/
-#include "unicode/uscript.h"
-#include "unicode/ures.h"
#include "unicode/uchar.h"
-#include "unicode/putil.h"
-#include "uprops.h"
+#include "unicode/uscript.h"
+#include "unicode/uloc.h"
#include "cmemory.h"
#include "cstring.h"
-static const char kLocaleScript[] = "LocaleScript";
+static const UScriptCode JAPANESE[3] = { USCRIPT_KATAKANA, USCRIPT_HIRAGANA, USCRIPT_HAN };
+static const UScriptCode KOREAN[2] = { USCRIPT_HANGUL, USCRIPT_HAN };
+static const UScriptCode HAN_BOPO[2] = { USCRIPT_HAN, USCRIPT_BOPOMOFO };
+
+static int32_t
+setCodes(const UScriptCode *src, int32_t length,
+ UScriptCode *dest, int32_t capacity, UErrorCode *err) {
+ int32_t i;
+ if(U_FAILURE(*err)) { return 0; }
+ if(length > capacity) {
+ *err = U_BUFFER_OVERFLOW_ERROR;
+ return length;
+ }
+ for(i = 0; i < length; ++i) {
+ dest[i] = src[i];
+ }
+ return length;
+}
+
+static int32_t
+setOneCode(UScriptCode script, UScriptCode *scripts, int32_t capacity, UErrorCode *err) {
+ if(U_FAILURE(*err)) { return 0; }
+ if(1 > capacity) {
+ *err = U_BUFFER_OVERFLOW_ERROR;
+ return 1;
+ }
+ scripts[0] = script;
+ return 1;
+}
-/* TODO: this is a bad API should be deprecated */
+static int32_t
+getCodesFromLocale(const char *locale,
+ UScriptCode *scripts, int32_t capacity, UErrorCode *err) {
+ UErrorCode internalErrorCode = U_ZERO_ERROR;
+ char lang[8];
+ char script[8];
+ int32_t scriptLength;
+ if(U_FAILURE(*err)) { return 0; }
+ // Multi-script languages, equivalent to the LocaleScript data
+ // that we used to load from locale resource bundles.
+ /*length = */ uloc_getLanguage(locale, lang, UPRV_LENGTHOF(lang), &internalErrorCode);
+ if(U_FAILURE(internalErrorCode) || internalErrorCode == U_STRING_NOT_TERMINATED_WARNING) {
+ return 0;
+ }
+ if(0 == uprv_strcmp(lang, "ja")) {
+ return setCodes(JAPANESE, UPRV_LENGTHOF(JAPANESE), scripts, capacity, err);
+ }
+ if(0 == uprv_strcmp(lang, "ko")) {
+ return setCodes(KOREAN, UPRV_LENGTHOF(KOREAN), scripts, capacity, err);
+ }
+ scriptLength = uloc_getScript(locale, script, UPRV_LENGTHOF(script), &internalErrorCode);
+ if(U_FAILURE(internalErrorCode) || internalErrorCode == U_STRING_NOT_TERMINATED_WARNING) {
+ return 0;
+ }
+ if(0 == uprv_strcmp(lang, "zh") && 0 == uprv_strcmp(script, "Hant")) {
+ return setCodes(HAN_BOPO, UPRV_LENGTHOF(HAN_BOPO), scripts, capacity, err);
+ }
+ // Explicit script code.
+ if(scriptLength != 0) {
+ UScriptCode scriptCode = (UScriptCode)u_getPropertyValueEnum(UCHAR_SCRIPT, script);
+ if(scriptCode != USCRIPT_INVALID_CODE) {
+ if(scriptCode == USCRIPT_SIMPLIFIED_HAN || scriptCode == USCRIPT_TRADITIONAL_HAN) {
+ scriptCode = USCRIPT_HAN;
+ }
+ return setOneCode(scriptCode, scripts, capacity, err);
+ }
+ }
+ return 0;
+}
+
+/* TODO: this is a bad API and should be deprecated, ticket #11141 */
U_CAPI int32_t U_EXPORT2
uscript_getCode(const char* nameOrAbbrOrLocale,
UScriptCode* fillIn,
int32_t capacity,
UErrorCode* err){
+ UBool triedCode;
+ char likely[ULOC_FULLNAME_CAPACITY];
+ UErrorCode internalErrorCode;
+ int32_t length;
- UScriptCode code = USCRIPT_INVALID_CODE;
- int32_t numFilled=0;
- int32_t len=0;
- /* check arguments */
- if(err==NULL ||U_FAILURE(*err)){
- return numFilled;
+ if(U_FAILURE(*err)) {
+ return 0;
}
- if(nameOrAbbrOrLocale==NULL || fillIn == NULL || capacity<0){
+ if(nameOrAbbrOrLocale==NULL ||
+ (fillIn == NULL ? capacity != 0 : capacity < 0)) {
*err = U_ILLEGAL_ARGUMENT_ERROR;
- return numFilled;
+ return 0;
}
+ triedCode = FALSE;
if(uprv_strchr(nameOrAbbrOrLocale, '-')==NULL && uprv_strchr(nameOrAbbrOrLocale, '_')==NULL ){
/* try long and abbreviated script names first */
- code = (UScriptCode) u_getPropertyValueEnum(UCHAR_SCRIPT, nameOrAbbrOrLocale);
-
- }
- if(code==(UScriptCode)UCHAR_INVALID_CODE){
- /* Do not propagate error codes from just not finding a locale bundle. */
- UErrorCode localErrorCode = U_ZERO_ERROR;
- UResourceBundle* resB = ures_open(NULL,nameOrAbbrOrLocale,&localErrorCode);
- if(U_SUCCESS(localErrorCode)&& localErrorCode != U_USING_DEFAULT_WARNING){
- UResourceBundle* resD = ures_getByKey(resB,kLocaleScript,NULL,&localErrorCode);
- if(U_SUCCESS(localErrorCode) ){
- len =0;
- while(ures_hasNext(resD)){
- const UChar* name = ures_getNextString(resD,&len,NULL,&localErrorCode);
- if(U_SUCCESS(localErrorCode)){
- char cName[50] = {'\0'};
- u_UCharsToChars(name,cName,len);
- code = (UScriptCode) u_getPropertyValueEnum(UCHAR_SCRIPT, cName);
- /* got the script code now fill in the buffer */
- if(numFilled<capacity){
- *(fillIn)++=code;
- numFilled++;
- }else{
- ures_close(resD);
- ures_close(resB);
- *err=U_BUFFER_OVERFLOW_ERROR;
- return len;
- }
- }
- }
- }
- ures_close(resD);
+ UScriptCode code = (UScriptCode) u_getPropertyValueEnum(UCHAR_SCRIPT, nameOrAbbrOrLocale);
+ if(code!=USCRIPT_INVALID_CODE) {
+ return setOneCode(code, fillIn, capacity, err);
}
- ures_close(resB);
- code = USCRIPT_INVALID_CODE;
+ triedCode = TRUE;
}
- if(code==(UScriptCode)UCHAR_INVALID_CODE){
- /* still not found .. try long and abbreviated script names again */
- code = (UScriptCode) u_getPropertyValueEnum(UCHAR_SCRIPT, nameOrAbbrOrLocale);
+ internalErrorCode = U_ZERO_ERROR;
+ length = getCodesFromLocale(nameOrAbbrOrLocale, fillIn, capacity, err);
+ if(U_FAILURE(*err) || length != 0) {
+ return length;
+ }
+ (void)uloc_addLikelySubtags(nameOrAbbrOrLocale,
+ likely, UPRV_LENGTHOF(likely), &internalErrorCode);
+ if(U_SUCCESS(internalErrorCode) && internalErrorCode != U_STRING_NOT_TERMINATED_WARNING) {
+ length = getCodesFromLocale(likely, fillIn, capacity, err);
+ if(U_FAILURE(*err) || length != 0) {
+ return length;
+ }
}
- if(code!=(UScriptCode)UCHAR_INVALID_CODE){
- /* we found it */
- if(numFilled<capacity){
- *(fillIn)++=code;
- numFilled++;
- }else{
- *err=U_BUFFER_OVERFLOW_ERROR;
- return len;
+ if(!triedCode) {
+ /* still not found .. try long and abbreviated script names again */
+ UScriptCode code = (UScriptCode) u_getPropertyValueEnum(UCHAR_SCRIPT, nameOrAbbrOrLocale);
+ if(code!=USCRIPT_INVALID_CODE) {
+ return setOneCode(code, fillIn, capacity, err);
}
}
- return numFilled;
+ return 0;
}
projects / apple / icu.git / blobdiff