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648 lines
18 KiB
648 lines
18 KiB
15 years ago
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//C- -*- C++ -*-
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//C- -------------------------------------------------------------------
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//C- DjVuLibre-3.5
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//C- Copyright (c) 2002 Leon Bottou and Yann Le Cun.
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//C- Copyright (c) 2001 AT&T
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//C-
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//C- This software is subject to, and may be distributed under, the
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//C- GNU General Public License, Version 2. The license should have
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//C- accompanied the software or you may obtain a copy of the license
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//C- from the Free Software Foundation at http://www.fsf.org .
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//C-
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//C- This program is distributed in the hope that it will be useful,
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//C- but WITHOUT ANY WARRANTY; without even the implied warranty of
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//C- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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//C- GNU General Public License for more details.
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//C-
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//C- DjVuLibre-3.5 is derived from the DjVu(r) Reference Library
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//C- distributed by Lizardtech Software. On July 19th 2002, Lizardtech
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//C- Software authorized us to replace the original DjVu(r) Reference
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//C- Library notice by the following text (see doc/lizard2002.djvu):
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//C-
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//C- ------------------------------------------------------------------
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//C- | DjVu (r) Reference Library (v. 3.5)
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//C- | Copyright (c) 1999-2001 LizardTech, Inc. All Rights Reserved.
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//C- | The DjVu Reference Library is protected by U.S. Pat. No.
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//C- | 6,058,214 and patents pending.
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//C- |
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//C- | This software is subject to, and may be distributed under, the
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//C- | GNU General Public License, Version 2. The license should have
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//C- | accompanied the software or you may obtain a copy of the license
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//C- | from the Free Software Foundation at http://www.fsf.org .
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//C- |
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//C- | The computer code originally released by LizardTech under this
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//C- | license and unmodified by other parties is deemed "the LIZARDTECH
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//C- | ORIGINAL CODE." Subject to any third party intellectual property
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//C- | claims, LizardTech grants recipient a worldwide, royalty-free,
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//C- | non-exclusive license to make, use, sell, or otherwise dispose of
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//C- | the LIZARDTECH ORIGINAL CODE or of programs derived from the
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//C- | LIZARDTECH ORIGINAL CODE in compliance with the terms of the GNU
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//C- | General Public License. This grant only confers the right to
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//C- | infringe patent claims underlying the LIZARDTECH ORIGINAL CODE to
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//C- | the extent such infringement is reasonably necessary to enable
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//C- | recipient to make, have made, practice, sell, or otherwise dispose
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//C- | of the LIZARDTECH ORIGINAL CODE (or portions thereof) and not to
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//C- | any greater extent that may be necessary to utilize further
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//C- | modifications or combinations.
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//C- |
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//C- | The LIZARDTECH ORIGINAL CODE is provided "AS IS" WITHOUT WARRANTY
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//C- | OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED
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//C- | TO ANY WARRANTY OF NON-INFRINGEMENT, OR ANY IMPLIED WARRANTY OF
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//C- | MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
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//C- +------------------------------------------------------------------
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//
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// $Id: DjVuMessage.cpp,v 1.16 2005/04/27 16:34:13 leonb Exp $
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// $Name: release_3_5_15 $
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#ifdef HAVE_CONFIG_H
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# include "config.h"
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#endif
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#if NEED_GNUG_PRAGMAS
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# pragma implementation
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#endif
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// From: Leon Bottou, 1/31/2002
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// All these XML messages are Lizardtech innovations.
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#include "DjVuMessage.h"
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#include "GOS.h"
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#include "XMLTags.h"
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#include "ByteStream.h"
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#include "GURL.h"
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#include "debug.h"
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#include <ctype.h>
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#include <string.h>
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#include <stdlib.h>
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#ifdef WIN32
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# include <tchar.h>
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# include <atlbase.h>
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# include <windows.h>
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# include <winreg.h>
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#endif
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#ifdef UNIX
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# include <unistd.h>
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# include <pwd.h>
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# include <sys/types.h>
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#endif
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#include <locale.h>
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#ifndef LC_MESSAGES
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# define LC_MESSAGES LC_ALL
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#endif
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#ifdef HAVE_NAMESPACES
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namespace DJVU {
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# ifdef NOT_DEFINED // Just to fool emacs c++ mode
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}
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#endif
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#endif
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GUTF8String &
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DjVuMessage::programname(void)
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{
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static GUTF8String xprogramname;
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use_language();
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return xprogramname;
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}
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static const char namestring[]="name";
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static const char srcstring[]="src";
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static const char *failed_to_parse_XML=ERR_MSG("DjVuMessage.failed_to_parse_XML");
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static const char bodystring[]="BODY";
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static const char languagestring[]="LANGUAGE";
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static const char headstring[]="HEAD";
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static const char includestring[]="INCLUDE";
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static const char messagestring[]="MESSAGE";
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static const char localestring[]="locale";
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// directory names for searching messages
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static const char opensourcedir[]="osi";
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#ifdef AUTOCONF
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static const char DjVuDataDir[] = DIR_DATADIR "/djvu";
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static const char ModuleDjVuDir[] ="share/djvu";
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#else /* !AUTOCONF */
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static const char ModuleDjVuDir[] ="profiles";
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#endif /* !AUTOCONF */
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static const char LocalDjVuDir[] =".DjVu"; // relative to ${HOME}
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#ifdef LT_DEFAULT_PREFIX
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static const char DjVuPrefixDir[] = LT_DEFAULT_PREFIX "/profiles";
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#endif
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#ifndef NDEBUG
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static const char DebugModuleDjVuDir[] ="../TOPDIR/SRCDIR/profiles";
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#endif
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#ifdef WIN32
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static const char RootDjVuDir[] ="C:/Program Files/LizardTech/Profiles";
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static const TCHAR registrypath[]= TEXT("Software\\LizardTech\\DjVu\\Profile Path");
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#else
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static const char RootDjVuDir[] ="/etc/DjVu/"; // global last resort
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#endif
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static const char DjVuEnv[] = "DJVU_CONFIG_DIR";
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// The name of the message file
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static const char MessageFile[]="messages.xml";
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static const char LanguageFile[]="languages.xml";
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#ifdef WIN32
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static GURL
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RegOpenReadConfig ( HKEY hParentKey )
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{
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GURL retval;
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// To do: This needs to be shared with SetProfile.cpp
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LPCTSTR path = registrypath;
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HKEY hKey = 0;
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// MultiByteToWideChar(CP_ACP,MB_PRECOMPOSED,argv[1],strlen(argv[1])+1,wszSrcFile,sizeof(wszSrcFile));
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if (RegOpenKeyEx(hParentKey, path, 0,
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KEY_READ, &hKey) == ERROR_SUCCESS )
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{
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TCHAR path[1024];
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// Success
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TCHAR *szPathValue = path;
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LPCTSTR lpszEntry = (LPCTSTR &)TEXT("");
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DWORD dwCount = (sizeof(path)/sizeof(TCHAR))-1;
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DWORD dwType;
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LONG lResult = RegQueryValueEx(hKey, lpszEntry, NULL,
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&dwType, (LPBYTE) szPathValue, &dwCount);
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RegCloseKey(hKey);
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if ((lResult == ERROR_SUCCESS))
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{
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szPathValue[dwCount] = 0;
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USES_CONVERSION;
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retval=GURL::Filename::Native(T2CA(path));
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}
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}
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// if (hKey) RegCloseKey(hKey);
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return retval;
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}
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static GURL
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GetModulePath( void )
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{
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const GUTF8String cwd(GOS::cwd());
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TCHAR path[1024];
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DWORD dwCount = (sizeof(path)/sizeof(TCHAR))-1;
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GetModuleFileName(0, path, dwCount);
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USES_CONVERSION;
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GURL retval=GURL::Filename::Native(T2CA(path)).base();
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GOS::cwd(cwd);
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return retval;
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}
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#elif defined(UNIX)
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static GList<GURL>
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parsePATH(void)
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{
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GList<GURL> retval;
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const char *path=getenv("PATH");
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if(path)
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{
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GNativeString p(path);
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int from=0;
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for(int to;(to=p.search(':',from))>0;from=to+1)
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{
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if(to > from)
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{
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retval.append(GURL::Filename::Native(p.substr(from,to-from)));
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}
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}
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if((from+1)<(int)p.length())
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{
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retval.append(GURL::Filename::Native(p.substr(from,-1)));
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}
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}
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return retval;
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}
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static GURL
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GetModulePath( void )
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{
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GURL retval;
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GUTF8String &xprogramname=DjVuMessage::programname();
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if(xprogramname.length())
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{
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if(xprogramname[1]=='/'
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||!xprogramname.cmp("../",3)
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||!xprogramname.cmp("./",2))
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{
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retval=GURL::Filename::UTF8(xprogramname);
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}
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if(retval.is_empty() || !retval.is_file())
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{
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GList<GURL> paths(parsePATH());
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GMap<GUTF8String,void *> pathMAP;
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for(GPosition pos=paths;pos;++pos)
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{
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retval=GURL::UTF8(xprogramname,paths[pos]);
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const GUTF8String path(retval.get_string());
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if(!pathMAP.contains(path))
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{
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if(retval.is_file())
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break;
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pathMAP[path]=0;
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}
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}
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}
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if (! retval.is_empty() )
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retval = retval.follow_symlinks();
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if (! retval.is_empty() )
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retval = retval.base();
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}
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return retval;
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}
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#endif
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static void
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appendPath(const GURL &url,
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GMap<GUTF8String,void *> &map,
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GList<GURL> &list)
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{
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if( !url.is_empty()
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&& !map.contains(url.get_string()) && url.is_dir() )
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{
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map[url.get_string()]=0;
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list.append(url);
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}
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}
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GList<GURL>
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DjVuMessage::GetProfilePaths(void)
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{
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static bool first=true;
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static GList<GURL> realpaths;
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if(first)
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{
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first=false;
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GMap<GUTF8String,void *> pathsmap;
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GList<GURL> paths;
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GURL path;
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const GUTF8String envp(GOS::getenv(DjVuEnv));
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if(envp.length())
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appendPath(GURL::Filename::UTF8(envp),pathsmap,paths);
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#if defined(WIN32) || defined(UNIX)
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GURL mpath(GetModulePath());
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if(!mpath.is_empty() && mpath.is_dir())
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{
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#if defined(UNIX) && !defined(AUTOCONF) && !defined(NDEBUG)
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appendPath(GURL::UTF8(DebugModuleDjVuDir,mpath),pathsmap,paths);
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#endif
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appendPath(mpath,pathsmap,paths);
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mpath=mpath.base();
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appendPath(GURL::UTF8(ModuleDjVuDir,mpath),pathsmap,paths);
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mpath=mpath.base();
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appendPath(GURL::UTF8(ModuleDjVuDir,mpath),pathsmap,paths);
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}
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#endif
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#if defined(AUTOCONF)
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GURL dpath = GURL::Filename::UTF8(DjVuDataDir);
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appendPath(dpath,pathsmap,paths);
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#endif
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#ifdef WIN32
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appendPath(RegOpenReadConfig(HKEY_CURRENT_USER),pathsmap,paths);
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appendPath(RegOpenReadConfig(HKEY_LOCAL_MACHINE),pathsmap,paths);
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#else
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GUTF8String home=GOS::getenv("HOME");
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# if HAVE_GETPWUID
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if (! home.length()) {
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struct passwd *pw=0;
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if ((pw = getpwuid(getuid())))
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home=GNativeString(pw->pw_dir);
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}
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# endif
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if (home.length()) {
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GURL hpath = GURL::UTF8(LocalDjVuDir,GURL::Filename::UTF8(home));
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appendPath(hpath,pathsmap,paths);
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}
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#endif
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#ifdef LT_DEFAULT_PREFIX
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appendPath(GURL::Filename::UTF8(DjVuPrefixDir),pathsmap,paths);
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#endif
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appendPath(GURL::Filename::UTF8(RootDjVuDir),pathsmap,paths);
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pathsmap.empty();
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GPosition pos;
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GList< GMap<GUTF8String,GP<lt_XMLTags> > > localemaps;
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for(pos=paths;pos;++pos)
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{
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path=GURL::UTF8(LanguageFile,paths[pos]);
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if(path.is_file())
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{
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const GP<lt_XMLTags> xml(lt_XMLTags::create(ByteStream::create(path,"rb")));
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const GPList<lt_XMLTags> Body(xml->get_Tags(bodystring));
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GPosition pos=Body;
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if(!pos || (pos != Body.lastpos()))
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{
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G_THROW( ERR_MSG("XMLAnno.extra_body") );
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}
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const GP<lt_XMLTags> GBody(Body[pos]);
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if(!GBody)
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{
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G_THROW( ERR_MSG("XMLAnno.no_body") );
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}
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GMap<GUTF8String,GP<lt_XMLTags> > localemap;
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lt_XMLTags::get_Maps(languagestring,localestring,Body,localemap);
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localemaps.append(localemap);
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}
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}
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GList<GURL> localepaths;
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GList<GURL> osilocalepaths;
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// Need to do it the right way!
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GUTF8String defaultlocale = getenv("LANGUAGE");
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if (! defaultlocale)
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{
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const GUTF8String oldlocale(setlocale(LC_MESSAGES,0));
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defaultlocale = setlocale(LC_MESSAGES,"");
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setlocale(LC_MESSAGES,(const char *)oldlocale);
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}
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// Unfathomable search.
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for(int loop=0; loop<2; loop++)
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{
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static const char sepchars[]=" _.@";
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const char *p=sepchars+sizeof(sepchars)-1;
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do
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{
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int sepcharpos=p[0]?defaultlocale.search(p[0]):defaultlocale.length();
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if(sepcharpos > 0)
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{
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const GUTF8String sublocale(defaultlocale,sepcharpos);
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const GUTF8String downcasesublocale("downcase^"+sublocale.downcase());
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for(pos=localemaps;pos;++pos)
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{
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const GMap<GUTF8String,GP<lt_XMLTags> > &localemap=localemaps[pos];
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GPosition pos=localemap.contains(sublocale);
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if(!pos)
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pos=localemap.contains(downcasesublocale);
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if(pos)
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{
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const GMap<GUTF8String,GUTF8String>&args
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= localemap[pos]->get_args();
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pos = args.contains(srcstring);
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if (pos)
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{
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const GUTF8String src(args[pos]);
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for(pos=paths;pos;++pos)
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{
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path=GURL::UTF8(src,paths[pos]);
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if(path.is_dir())
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localepaths.append(path);
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path=GURL::UTF8(GUTF8String(opensourcedir)+"/"+src,paths[pos]);
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if(path.is_dir())
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osilocalepaths.append(path);
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}
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}
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// We don't need to check anymore language files.
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p=sepchars;
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break;
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}
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}
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if(!pos)
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{
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for(pos=paths;pos;++pos)
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{
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path=GURL::UTF8(sublocale,paths[pos]);
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if(path.is_dir())
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|
{
|
||
|
localepaths.append(path);
|
||
|
}
|
||
|
path=GURL::UTF8(GUTF8String(opensourcedir)+"/"+sublocale,paths[pos]);
|
||
|
if(path.is_dir())
|
||
|
{
|
||
|
osilocalepaths.append(path);
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
} while(p-- != sepchars);
|
||
|
if((GPosition) localepaths)
|
||
|
break;
|
||
|
defaultlocale="C";
|
||
|
}
|
||
|
for(pos=localepaths;pos;++pos)
|
||
|
appendPath(localepaths[pos],pathsmap,realpaths);
|
||
|
for(pos=paths;pos;++pos)
|
||
|
appendPath(paths[pos],pathsmap,realpaths);
|
||
|
for(pos=osilocalepaths;pos;++pos)
|
||
|
appendPath(osilocalepaths[pos],pathsmap,realpaths);
|
||
|
for(pos=paths;pos;++pos)
|
||
|
{
|
||
|
path=GURL::UTF8(opensourcedir,paths[pos]);
|
||
|
appendPath(path,pathsmap,realpaths);
|
||
|
}
|
||
|
}
|
||
|
return realpaths;
|
||
|
}
|
||
|
|
||
|
static GUTF8String
|
||
|
getbodies(
|
||
|
GList<GURL> &paths,
|
||
|
const GUTF8String &MessageFileName,
|
||
|
GPList<lt_XMLTags> &body,
|
||
|
GMap<GUTF8String, void *> & map )
|
||
|
{
|
||
|
GUTF8String errors;
|
||
|
bool isdone=false;
|
||
|
GPosition firstpathpos=paths;
|
||
|
for(GPosition pathpos=firstpathpos;!isdone && pathpos;++pathpos)
|
||
|
{
|
||
|
const GURL::UTF8 url(MessageFileName,paths[pathpos]);
|
||
|
if(url.is_file())
|
||
|
{
|
||
|
map[MessageFileName]=0;
|
||
|
GP<lt_XMLTags> gtags;
|
||
|
{
|
||
|
GP<ByteStream> bs=ByteStream::create(url,"rb");
|
||
|
G_TRY
|
||
|
{
|
||
|
gtags=lt_XMLTags::create(bs);
|
||
|
}
|
||
|
G_CATCH(ex)
|
||
|
{
|
||
|
GUTF8String mesg(failed_to_parse_XML+("\t"+url.get_string()));
|
||
|
if(errors.length())
|
||
|
{
|
||
|
errors+="\n"+mesg;
|
||
|
}else
|
||
|
{
|
||
|
errors=mesg;
|
||
|
}
|
||
|
errors+="\n"+GUTF8String(ex.get_cause());
|
||
|
}
|
||
|
G_ENDCATCH;
|
||
|
}
|
||
|
if(gtags)
|
||
|
{
|
||
|
lt_XMLTags &tags=*gtags;
|
||
|
GPList<lt_XMLTags> Bodies=tags.get_Tags(bodystring);
|
||
|
if(! Bodies.isempty())
|
||
|
{
|
||
|
isdone=true;
|
||
|
for(GPosition pos=Bodies;pos;++pos)
|
||
|
{
|
||
|
body.append(Bodies[pos]);
|
||
|
}
|
||
|
}
|
||
|
GPList<lt_XMLTags> Head=tags.get_Tags(headstring);
|
||
|
if(! Head.isempty())
|
||
|
{
|
||
|
isdone=true;
|
||
|
GMap<GUTF8String, GP<lt_XMLTags> > includes;
|
||
|
lt_XMLTags::get_Maps(includestring,namestring,Head,includes);
|
||
|
for(GPosition pos=includes;pos;++pos)
|
||
|
{
|
||
|
const GUTF8String file=includes.key(pos);
|
||
|
if(! map.contains(file))
|
||
|
{
|
||
|
GList<GURL> xpaths;
|
||
|
xpaths.append(url.base());
|
||
|
const GUTF8String err2(getbodies(xpaths,file,body,map));
|
||
|
if(err2.length())
|
||
|
{
|
||
|
if(errors.length())
|
||
|
{
|
||
|
errors+="\n"+err2;
|
||
|
}else
|
||
|
{
|
||
|
errors=err2;
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
return errors;
|
||
|
}
|
||
|
|
||
|
static GUTF8String
|
||
|
parse(GMap<GUTF8String,GP<lt_XMLTags> > &retval)
|
||
|
{
|
||
|
GUTF8String errors;
|
||
|
GPList<lt_XMLTags> body;
|
||
|
{
|
||
|
GList<GURL> paths=DjVuMessage::GetProfilePaths();
|
||
|
GMap<GUTF8String, void *> map;
|
||
|
GUTF8String m(MessageFile);
|
||
|
errors=getbodies(paths,m,body,map);
|
||
|
}
|
||
|
if(! body.isempty())
|
||
|
{
|
||
|
lt_XMLTags::get_Maps(messagestring,namestring,body,retval);
|
||
|
}
|
||
|
return errors;
|
||
|
}
|
||
|
|
||
|
|
||
|
const DjVuMessageLite &
|
||
|
DjVuMessage::create_full(void)
|
||
|
{
|
||
|
GP<DjVuMessageLite> &static_message=getDjVuMessageLite();
|
||
|
if(!static_message)
|
||
|
{
|
||
|
DjVuMessage *mesg=new DjVuMessage;
|
||
|
static_message=mesg;
|
||
|
mesg->init();
|
||
|
}
|
||
|
return DjVuMessageLite::create_lite();
|
||
|
}
|
||
|
|
||
|
void
|
||
|
DjVuMessage::set_programname(const GUTF8String &xprogramname)
|
||
|
{
|
||
|
programname()=xprogramname;
|
||
|
DjVuMessageLite::create=create_full;
|
||
|
}
|
||
|
|
||
|
void
|
||
|
DjVuMessage::use_language(void)
|
||
|
{
|
||
|
DjVuMessageLite::create=create_full;
|
||
|
}
|
||
|
|
||
|
|
||
|
// Constructor
|
||
|
DjVuMessage::DjVuMessage( void ) {}
|
||
|
|
||
|
void
|
||
|
DjVuMessage::init(void)
|
||
|
{
|
||
|
errors=parse(Map);
|
||
|
}
|
||
|
|
||
|
// Destructor
|
||
|
DjVuMessage::~DjVuMessage( )
|
||
|
{
|
||
|
}
|
||
|
|
||
|
|
||
|
// A C function to perform a message lookup. Arguments are a buffer to receiv
|
||
|
// translated message, a buffer size (bytes), and a message_list. The transla
|
||
|
// result is returned in msg_buffer encoded in Native MBS encoding. In case
|
||
|
// of error, msg_b empty (i.e., msg_buffer[0] == '\0').
|
||
|
void
|
||
|
DjVuMessageLookUpNative(
|
||
|
char *msg_buffer, const unsigned int buffer_size, const char *message)
|
||
|
{
|
||
|
const GNativeString converted(DjVuMessage::LookUpNative( message ));
|
||
|
if( converted.length() >= buffer_size )
|
||
|
msg_buffer[0] = '\0';
|
||
|
else
|
||
|
strcpy( msg_buffer, converted );
|
||
|
}
|
||
|
|
||
|
// A C function to perform a message lookup. Arguments are a buffer to receiv
|
||
|
// translated message, a buffer size (bytes), and a message_list. The transla
|
||
|
// result is returned in msg_buffer encoded in UTF8 encoding. In case
|
||
|
// of error, msg_b empty (i.e., msg_buffer[0] == '\0').
|
||
|
void
|
||
|
DjVuMessageLookUpUTF8(
|
||
|
char *msg_buffer, const unsigned int buffer_size, const char *message)
|
||
|
{
|
||
|
const GUTF8String converted(DjVuMessage::LookUpUTF8( message ));
|
||
|
if( converted.length() >= buffer_size )
|
||
|
msg_buffer[0] = '\0';
|
||
|
else
|
||
|
strcpy( msg_buffer, converted );
|
||
|
}
|
||
|
|
||
|
|
||
|
|
||
|
#ifdef HAVE_NAMESPACES
|
||
|
}
|
||
|
# ifndef NOT_USING_DJVU_NAMESPACE
|
||
|
using namespace DJVU;
|
||
|
# endif
|
||
|
#endif
|
||
|
|
||
|
void
|
||
|
DjVuFormatErrorUTF8( const char *fmt, ... )
|
||
|
{
|
||
|
va_list args;
|
||
|
va_start(args, fmt);
|
||
|
const GUTF8String message(fmt,args);
|
||
|
DjVuWriteError( message );
|
||
|
}
|
||
|
|
||
|
void
|
||
|
DjVuFormatErrorNative( const char *fmt, ... )
|
||
|
{
|
||
|
va_list args;
|
||
|
va_start(args, fmt);
|
||
|
const GNativeString message(fmt,args);
|
||
|
DjVuWriteError( message );
|
||
|
}
|
||
|
|
||
|
const char *
|
||
|
djvu_programname(const char *xprogramname)
|
||
|
{
|
||
|
if(xprogramname)
|
||
|
DjVuMessage::programname()=GNativeString(xprogramname);
|
||
|
return DjVuMessage::programname();
|
||
|
}
|