1 /* 2 ********************************************************************** 3 * Copyright (C) 1997-2011, International Business Machines 4 * Corporation and others. All Rights Reserved. 5 ********************************************************************** 6 * 7 * File USCRIPT.C 8 * 9 * Modification History: 10 * 11 * Date Name Description 12 * 07/06/2001 Ram Creation. 13 ****************************************************************************** 14 */ 15 16 #include "unicode/uscript.h" 17 #include "unicode/ures.h" 18 #include "unicode/uchar.h" 19 #include "unicode/putil.h" 20 #include "uprops.h" 21 #include "cmemory.h" 22 #include "cstring.h" 23 24 static const char kLocaleScript[] = "LocaleScript"; 25 26 /* TODO: this is a bad API should be deprecated */ 27 U_CAPI int32_t U_EXPORT2 28 uscript_getCode(const char* nameOrAbbrOrLocale, 29 UScriptCode* fillIn, 30 int32_t capacity, 31 UErrorCode* err){ 32 33 UScriptCode code = USCRIPT_INVALID_CODE; 34 int32_t numFilled=0; 35 int32_t len=0; 36 /* check arguments */ 37 if(err==NULL ||U_FAILURE(*err)){ 38 return numFilled; 39 } 40 if(nameOrAbbrOrLocale==NULL || fillIn == NULL || capacity<0){ 41 *err = U_ILLEGAL_ARGUMENT_ERROR; 42 return numFilled; 43 } 44 45 if(uprv_strchr(nameOrAbbrOrLocale, '-')==NULL && uprv_strchr(nameOrAbbrOrLocale, '_')==NULL ){ 46 /* try long and abbreviated script names first */ 47 code = (UScriptCode) u_getPropertyValueEnum(UCHAR_SCRIPT, nameOrAbbrOrLocale); 48 49 } 50 if(code==(UScriptCode)UCHAR_INVALID_CODE){ 51 /* Do not propagate error codes from just not finding a locale bundle. */ 52 UErrorCode localErrorCode = U_ZERO_ERROR; 53 UResourceBundle* resB = ures_open(NULL,nameOrAbbrOrLocale,&localErrorCode); 54 if(U_SUCCESS(localErrorCode)&& localErrorCode != U_USING_DEFAULT_WARNING){ 55 UResourceBundle* resD = ures_getByKey(resB,kLocaleScript,NULL,&localErrorCode); 56 if(U_SUCCESS(localErrorCode) ){ 57 len =0; 58 while(ures_hasNext(resD)){ 59 const UChar* name = ures_getNextString(resD,&len,NULL,&localErrorCode); 60 if(U_SUCCESS(localErrorCode)){ 61 char cName[50] = {'\0'}; 62 u_UCharsToChars(name,cName,len); 63 code = (UScriptCode) u_getPropertyValueEnum(UCHAR_SCRIPT, cName); 64 /* got the script code now fill in the buffer */ 65 if(numFilled<capacity){ 66 *(fillIn)++=code; 67 numFilled++; 68 }else{ 69 ures_close(resD); 70 ures_close(resB); 71 *err=U_BUFFER_OVERFLOW_ERROR; 72 return len; 73 } 74 } 75 } 76 } 77 ures_close(resD); 78 } 79 ures_close(resB); 80 code = USCRIPT_INVALID_CODE; 81 } 82 if(code==(UScriptCode)UCHAR_INVALID_CODE){ 83 /* still not found .. try long and abbreviated script names again */ 84 code = (UScriptCode) u_getPropertyValueEnum(UCHAR_SCRIPT, nameOrAbbrOrLocale); 85 } 86 if(code!=(UScriptCode)UCHAR_INVALID_CODE){ 87 /* we found it */ 88 if(numFilled<capacity){ 89 *(fillIn)++=code; 90 numFilled++; 91 }else{ 92 *err=U_BUFFER_OVERFLOW_ERROR; 93 return len; 94 } 95 } 96 return numFilled; 97 } 98
