Home | History | Annotate | Download | only in common 
      1 /*
      2 **********************************************************************
      3 *   Copyright (C) 1997-2010, 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 
     99 U_CAPI const char*  U_EXPORT2
    100 uscript_getName(UScriptCode scriptCode){
    101     return u_getPropertyValueName(UCHAR_SCRIPT, scriptCode,
    102                                   U_LONG_PROPERTY_NAME);
    103 }
    104 
    105 U_CAPI const char*  U_EXPORT2
    106 uscript_getShortName(UScriptCode scriptCode){
    107     return u_getPropertyValueName(UCHAR_SCRIPT, scriptCode,
    108                                   U_SHORT_PROPERTY_NAME);
    109 }
    110 
    111