scuffed-code/icu4c/source/common/uscript.c

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/*
**********************************************************************
* Copyright (C) 1997-2008, International Business Machines
* Corporation and others. All Rights Reserved.
**********************************************************************
*
* File USCRIPT.C
*
* Modification History:
*
* Date Name Description
* 07/06/2001 Ram Creation.
******************************************************************************
*/
#include "unicode/uscript.h"
#include "unicode/ures.h"
#include "unicode/uchar.h"
#include "unicode/putil.h"
#include "uprops.h"
#include "cmemory.h"
#include "cstring.h"
static const char kLocaleScript[] = "LocaleScript";
/* TODO: this is a bad API should be deprecated */
U_CAPI int32_t U_EXPORT2
uscript_getCode(const char* nameOrAbbrOrLocale,
UScriptCode* fillIn,
int32_t capacity,
UErrorCode* err){
UScriptCode code = USCRIPT_INVALID_CODE;
int32_t numFilled=0;
int32_t len=0;
/* check arguments */
if(err==NULL ||U_FAILURE(*err)){
return numFilled;
}
if(nameOrAbbrOrLocale==NULL || fillIn == NULL || capacity<0){
*err = U_ILLEGAL_ARGUMENT_ERROR;
return numFilled;
}
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{
2001-10-27 00:15:39 +00:00
ures_close(resD);
ures_close(resB);
*err=U_BUFFER_OVERFLOW_ERROR;
return len;
}
}
}
}
ures_close(resD);
}
ures_close(resB);
code = USCRIPT_INVALID_CODE;
}
if(code==(UScriptCode)UCHAR_INVALID_CODE){
/* still not found .. try long and abbreviated script names again */
code = (UScriptCode) u_getPropertyValueEnum(UCHAR_SCRIPT, nameOrAbbrOrLocale);
}
if(code!=(UScriptCode)UCHAR_INVALID_CODE){
/* we found it */
if(numFilled<=capacity){
*(fillIn)++=code;
numFilled++;
}else{
*err=U_BUFFER_OVERFLOW_ERROR;
return len;
}
}
return numFilled;
}
U_CAPI const char* U_EXPORT2
uscript_getName(UScriptCode scriptCode){
return u_getPropertyValueName(UCHAR_SCRIPT, scriptCode,
U_LONG_PROPERTY_NAME);
}
U_CAPI const char* U_EXPORT2
uscript_getShortName(UScriptCode scriptCode){
return u_getPropertyValueName(UCHAR_SCRIPT, scriptCode,
U_SHORT_PROPERTY_NAME);
}