scuffed-code/icu4c/source/common/uscript.c
2004-09-01 01:17:47 +00:00

103 lines
3.4 KiB
C

/*
**********************************************************************
* Copyright (C) 1997-2001, 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 "uprops.h"
#include "cmemory.h"
#include "cstring.h"
static const char kLocaleScript[] = "LocaleScript";
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;
}
/* try long and abbreviated script names first */
code = (UScriptCode) u_getPropertyValueEnum(UCHAR_SCRIPT, nameOrAbbrOrLocale);
/* we still haven't found it try locale */
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);
}
ures_close(resB);
}else{
/* 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);
}