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) 1997-2006, International Business Machines
       7             : *   Corporation and others.  All Rights Reserved.
       8             : *
       9             : *******************************************************************************
      10             : *   file name:  ures_cnv.c
      11             : *   encoding:   UTF-8
      12             : *   tab size:   8 (not used)
      13             : *   indentation:4
      14             : *
      15             : *   created on: 2004aug25
      16             : *   created by: Markus W. Scherer
      17             : *
      18             : *   Character conversion functions moved here from uresbund.c
      19             : */
      20             : 
      21             : #include "unicode/utypes.h"
      22             : #include "unicode/putil.h"
      23             : #include "unicode/ustring.h"
      24             : #include "unicode/ucnv.h"
      25             : #include "unicode/ures.h"
      26             : #include "uinvchar.h"
      27             : #include "ustr_cnv.h"
      28             : 
      29             : U_CAPI UResourceBundle * U_EXPORT2
      30           0 : ures_openU(const UChar *myPath, 
      31             :            const char *localeID, 
      32             :            UErrorCode *status)
      33             : {
      34             :     char pathBuffer[1024];
      35             :     int32_t length;
      36           0 :     char *path = pathBuffer;
      37             : 
      38           0 :     if(status==NULL || U_FAILURE(*status)) {
      39           0 :         return NULL;
      40             :     }
      41           0 :     if(myPath==NULL) {
      42           0 :         path = NULL;
      43             :     }
      44             :     else {
      45           0 :         length=u_strlen(myPath);
      46           0 :         if(length>=(int32_t)sizeof(pathBuffer)) {
      47           0 :             *status=U_ILLEGAL_ARGUMENT_ERROR;
      48           0 :             return NULL;
      49           0 :         } else if(uprv_isInvariantUString(myPath, length)) {
      50             :             /*
      51             :              * the invariant converter is sufficient for package and tree names
      52             :              * and is more efficient
      53             :              */
      54           0 :             u_UCharsToChars(myPath, path, length+1); /* length+1 to include the NUL */
      55             :         } else {
      56             : #if !UCONFIG_NO_CONVERSION
      57             :             /* use the default converter to support variant-character paths */
      58           0 :             UConverter *cnv=u_getDefaultConverter(status);
      59           0 :             length=ucnv_fromUChars(cnv, path, (int32_t)sizeof(pathBuffer), myPath, length, status);
      60           0 :             u_releaseDefaultConverter(cnv);
      61           0 :             if(U_FAILURE(*status)) {
      62           0 :                 return NULL;
      63             :             }
      64           0 :             if(length>=(int32_t)sizeof(pathBuffer)) {
      65             :                 /* not NUL-terminated - path too long */
      66           0 :                 *status=U_ILLEGAL_ARGUMENT_ERROR;
      67           0 :                 return NULL;
      68             :             }
      69             : #else
      70             :             /* the default converter is not available */
      71             :             *status=U_UNSUPPORTED_ERROR;
      72             :             return NULL;
      73             : #endif
      74             :         }
      75             :     }
      76             : 
      77           0 :     return ures_open(path, localeID, status);
      78             : }