Line data    Source code

       1             : // © 2016 and later: Unicode, Inc. and others.
       2             : // License & terms of use: http://www.unicode.org/copyright.html
       3             : /*
       4             : ******************************************************************************
       5             : *
       6             : *   Copyright (C) 1998-2004, International Business Machines
       7             : *   Corporation and others.  All Rights Reserved.
       8             : *
       9             : ******************************************************************************
      10             : *
      11             : *  ucnvdisp.c:
      12             : *  Implements APIs for the ICU's codeset conversion library display names.
      13             : *
      14             : * Modification History:
      15             : *
      16             : *   Date        Name        Description
      17             : *   04/04/99    helena      Fixed internal header inclusion.
      18             : *   05/09/00    helena      Added implementation to handle fallback mappings.
      19             : *   06/20/2000  helena      OS/400 port changes; mostly typecast.
      20             : *   09/08/2004  grhoten     split from ucnv.c
      21             : */
      22             : 
      23             : #include "unicode/utypes.h"
      24             : 
      25             : #if !UCONFIG_NO_CONVERSION
      26             : 
      27             : #include "unicode/ustring.h"
      28             : #include "unicode/ures.h"
      29             : #include "unicode/ucnv.h"
      30             : #include "cstring.h"
      31             : #include "ustr_imp.h"
      32             : #include "ucnv_imp.h"
      33             : #include "putilimp.h"
      34             : 
      35             : U_CAPI int32_t U_EXPORT2
      36           0 : ucnv_getDisplayName(const UConverter *cnv,
      37             :                     const char *displayLocale,
      38             :                     UChar *displayName, int32_t displayNameCapacity,
      39             :                     UErrorCode *pErrorCode) {
      40             :     UResourceBundle *rb;
      41             :     const UChar *name;
      42             :     int32_t length;
      43           0 :     UErrorCode localStatus = U_ZERO_ERROR;
      44             : 
      45             :     /* check arguments */
      46           0 :     if(pErrorCode==NULL || U_FAILURE(*pErrorCode)) {
      47           0 :         return 0;
      48             :     }
      49             : 
      50           0 :     if(cnv==NULL || displayNameCapacity<0 || (displayNameCapacity>0 && displayName==NULL)) {
      51           0 :         *pErrorCode=U_ILLEGAL_ARGUMENT_ERROR;
      52           0 :         return 0;
      53             :     }
      54             : 
      55             :     /* open the resource bundle and get the display name string */
      56           0 :     rb=ures_open(NULL, displayLocale, pErrorCode);
      57           0 :     if(U_FAILURE(*pErrorCode)) {
      58           0 :         return 0;
      59             :     }
      60             : 
      61             :     /* use the internal name as the key */
      62           0 :     name=ures_getStringByKey(rb, cnv->sharedData->staticData->name, &length, &localStatus);
      63           0 :     ures_close(rb);
      64             : 
      65           0 :     if(U_SUCCESS(localStatus)) {
      66             :         /* copy the string */
      67           0 :         if (*pErrorCode == U_ZERO_ERROR) {
      68           0 :             *pErrorCode = localStatus;
      69             :         }
      70           0 :         u_memcpy(displayName, name, uprv_min(length, displayNameCapacity)*U_SIZEOF_UCHAR);
      71             :     } else {
      72             :         /* convert the internal name into a Unicode string */
      73           0 :         length=(int32_t)uprv_strlen(cnv->sharedData->staticData->name);
      74           0 :         u_charsToUChars(cnv->sharedData->staticData->name, displayName, uprv_min(length, displayNameCapacity));
      75             :     }
      76           0 :     return u_terminateUChars(displayName, displayNameCapacity, length, pErrorCode);
      77             : }
      78             : 
      79             : #endif
      80             : 
      81             : /*
      82             :  * Hey, Emacs, please set the following:
      83             :  *
      84             :  * Local Variables:
      85             :  * indent-tabs-mode: nil
      86             :  * End:
      87             :  *
      88             :  */