subversion/libsvn_subr/nls.c

   1 /*
   2  * nls.c :  Helpers for NLS programs.
   3  *
   4  * ====================================================================
   5  * Copyright (c) 2000-2005 CollabNet.  All rights reserved.
   6  *
   7  * This software is licensed as described in the file COPYING, which
   8  * you should have received as part of this distribution.  The terms
   9  * are also available at http://subversion.tigris.org/license-1.html.
  10  * If newer versions of this license are posted there, you may use a
  11  * newer version instead, at your option.
  12  *
  13  * This software consists of voluntary contributions made by many
  14  * individuals.  For exact contribution history, see the revision
  15  * history and logs, available at http://subversion.tigris.org/.
  16  * ====================================================================
  17  */
  18
  19 #include <stdlib.h>
  20
  21 #ifndef WIN32
  22 #include <sys/types.h>
  23 #include <sys/stat.h>
  24 #include <fcntl.h>
  25 #include <unistd.h>
  26 #endif
  27
  28 #include <apr_errno.h>
  29
  30 #include "svn_nls.h"
  31 #include "svn_error.h"
  32 #include "svn_pools.h"
  33 #include "svn_path.h"
  34
  35 #include "svn_private_config.h"
  36
  37 #ifdef WIN32
  38 /* FIXME: We're using an internal APR header here, which means we
  39    have to build Subversion with APR sources. This being Win32-only,
  40    that should be fine for now, but a better solution must be found in
  41    combination with issue #850. */
  42 #include <arch/win32/apr_arch_utf8.h>
  43 #endif
  44
  45
  46 svn_error_t *
  47 svn_nls_init(void)
  48 {
  49   svn_error_t *err = SVN_NO_ERROR;
  50
  51 #ifdef ENABLE_NLS
  52 #ifdef WIN32
  53   {
  54     WCHAR ucs2_path[MAX_PATH];
  55     char* utf8_path;
  56     const char* internal_path;
  57     apr_pool_t* pool;
  58     apr_status_t apr_err;
  59     apr_size_t inwords, outbytes, outlength;
  60
  61     apr_pool_create(&pool, 0);
  62     /* get exe name - our locale info will be in '../share/locale' */
  63     inwords = GetModuleFileNameW(0, ucs2_path,
  64                                  sizeof(ucs2_path) / sizeof(ucs2_path[0]));
  65     if (! inwords)
  66       {
  67         /* We must be on a Win9x machine, so attempt to get an ANSI path,
  68            and convert it to Unicode. */
  69         CHAR ansi_path[MAX_PATH];
  70
  71         if (GetModuleFileNameA(0, ansi_path, sizeof(ansi_path)))
  72           {
  73             inwords =
  74               MultiByteToWideChar(CP_ACP, 0, ansi_path, -1, ucs2_path,
  75                                   sizeof(ucs2_path) / sizeof(ucs2_path[0]));
  76             if (! inwords) {
  77               err =
  78                 svn_error_createf(APR_EINVAL, NULL,
  79                                   _("Can't convert string to UCS-2: '%s'"),
  80                                   ansi_path);
  81             }
  82           }
  83         else
  84           {
  85             err = svn_error_create(APR_EINVAL, NULL,
  86                                    _("Can't get module file name"));
  87           }
  88       }
  89
  90     if (! err)
  91       {
  92         outbytes = outlength = 3 * (inwords + 1);
  93         utf8_path = apr_palloc(pool, outlength);
  94         apr_err = apr_conv_ucs2_to_utf8(ucs2_path, &inwords,
  95                                         utf8_path, &outbytes);
  96         if (!apr_err && (inwords > 0 || outbytes == 0))
  97           apr_err = APR_INCOMPLETE;
  98         if (apr_err)
  99           {
 100             err = svn_error_createf(apr_err, NULL,
 101                                     _("Can't convert module path "
 102                                       "to UTF-8 from UCS-2: '%s'"),
 103                                     ucs2_path);
 104           }
 105         else
 106           {
 107             utf8_path[outlength - outbytes] = '\0';
 108             internal_path = svn_path_internal_style(utf8_path, pool);
 109             /* get base path name */
 110             internal_path = svn_path_dirname(internal_path, pool);
 111             internal_path = svn_path_join(internal_path,
 112                                           SVN_LOCALE_RELATIVE_PATH,
 113                                           pool);
 114             bindtextdomain(PACKAGE_NAME, internal_path);
 115           }
 116       }
 117     svn_pool_destroy(pool);
 118   }
 119 #else
 120   bindtextdomain(PACKAGE_NAME, SVN_LOCALE_DIR);
 121 #ifdef HAVE_BIND_TEXTDOMAIN_CODESET
 122   bind_textdomain_codeset(PACKAGE_NAME, "UTF-8");
 123 #endif
 124 #endif
 125 #endif
 126
 127   return err;
 128 }