michael@0: /*
michael@0: **********************************************************************
michael@0: *   Copyright (C) 1997-2011, International Business Machines
michael@0: *   Corporation and others.  All Rights Reserved.
michael@0: **********************************************************************
michael@0: *
michael@0: * File USCRIPT.C
michael@0: *
michael@0: * Modification History:
michael@0: *
michael@0: *   Date        Name        Description
michael@0: *   07/06/2001    Ram         Creation.
michael@0: ******************************************************************************
michael@0: */
michael@0: 
michael@0: #include "unicode/uscript.h"
michael@0: #include "unicode/ures.h"
michael@0: #include "unicode/uchar.h"
michael@0: #include "unicode/putil.h"
michael@0: #include "uprops.h"
michael@0: #include "cmemory.h"
michael@0: #include "cstring.h"
michael@0: 
michael@0: static const char kLocaleScript[] = "LocaleScript";
michael@0: 
michael@0: /* TODO: this is a bad API should be deprecated */
michael@0: U_CAPI int32_t  U_EXPORT2
michael@0: uscript_getCode(const char* nameOrAbbrOrLocale,
michael@0:                 UScriptCode* fillIn,
michael@0:                 int32_t capacity,
michael@0:                 UErrorCode* err){
michael@0: 
michael@0:     UScriptCode code = USCRIPT_INVALID_CODE;
michael@0:     int32_t numFilled=0;
michael@0:     int32_t len=0;
michael@0:     /* check arguments */
michael@0:     if(err==NULL ||U_FAILURE(*err)){
michael@0:         return numFilled;
michael@0:     }
michael@0:     if(nameOrAbbrOrLocale==NULL || fillIn == NULL || capacity<0){
michael@0:         *err = U_ILLEGAL_ARGUMENT_ERROR;
michael@0:         return numFilled;
michael@0:     }
michael@0: 
michael@0:     if(uprv_strchr(nameOrAbbrOrLocale, '-')==NULL && uprv_strchr(nameOrAbbrOrLocale, '_')==NULL ){
michael@0:         /* try long and abbreviated script names first */
michael@0:         code = (UScriptCode) u_getPropertyValueEnum(UCHAR_SCRIPT, nameOrAbbrOrLocale);
michael@0:         
michael@0:     }
michael@0:     if(code==(UScriptCode)UCHAR_INVALID_CODE){
michael@0:        /* Do not propagate error codes from just not finding a locale bundle. */
michael@0:         UErrorCode localErrorCode = U_ZERO_ERROR;
michael@0:         UResourceBundle* resB = ures_open(NULL,nameOrAbbrOrLocale,&localErrorCode);
michael@0:         if(U_SUCCESS(localErrorCode)&& localErrorCode != U_USING_DEFAULT_WARNING){
michael@0:             UResourceBundle* resD = ures_getByKey(resB,kLocaleScript,NULL,&localErrorCode);
michael@0:             if(U_SUCCESS(localErrorCode) ){
michael@0:                 len =0;
michael@0:                 while(ures_hasNext(resD)){
michael@0:                     const UChar* name = ures_getNextString(resD,&len,NULL,&localErrorCode);
michael@0:                     if(U_SUCCESS(localErrorCode)){
michael@0:                         char cName[50] = {'\0'};
michael@0:                         u_UCharsToChars(name,cName,len);
michael@0:                         code = (UScriptCode) u_getPropertyValueEnum(UCHAR_SCRIPT, cName);
michael@0:                         /* got the script code now fill in the buffer */
michael@0:                         if(numFilled<capacity){ 
michael@0:                             *(fillIn)++=code;
michael@0:                             numFilled++;
michael@0:                         }else{
michael@0:                             ures_close(resD);
michael@0:                             ures_close(resB);
michael@0:                             *err=U_BUFFER_OVERFLOW_ERROR;
michael@0:                             return len;
michael@0:                         }
michael@0:                     }
michael@0:                 }
michael@0:             }
michael@0:             ures_close(resD); 
michael@0:         }
michael@0:         ures_close(resB);
michael@0:         code = USCRIPT_INVALID_CODE;
michael@0:     }
michael@0:     if(code==(UScriptCode)UCHAR_INVALID_CODE){
michael@0:        /* still not found .. try long and abbreviated script names again */
michael@0:         code = (UScriptCode) u_getPropertyValueEnum(UCHAR_SCRIPT, nameOrAbbrOrLocale);
michael@0:     }
michael@0:     if(code!=(UScriptCode)UCHAR_INVALID_CODE){
michael@0:         /* we found it */
michael@0:         if(numFilled<capacity){ 
michael@0:             *(fillIn)++=code;
michael@0:             numFilled++;
michael@0:         }else{
michael@0:             *err=U_BUFFER_OVERFLOW_ERROR;
michael@0:             return len;
michael@0:         }
michael@0:     }
michael@0:     return numFilled;
michael@0: }