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+//C- -*- C++ -*-
+//C- -------------------------------------------------------------------
+//C- DjVuLibre-3.5
+//C- Copyright (c) 2002 Leon Bottou and Yann Le Cun.
+//C- Copyright (c) 2001 AT&T
+//C-
+//C- This software is subject to, and may be distributed under, the
+//C- GNU General Public License, Version 2. The license should have
+//C- accompanied the software or you may obtain a copy of the license
+//C- from the Free Software Foundation at http://www.fsf.org .
+//C-
+//C- This program is distributed in the hope that it will be useful,
+//C- but WITHOUT ANY WARRANTY; without even the implied warranty of
+//C- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+//C- GNU General Public License for more details.
+//C-
+//C- DjVuLibre-3.5 is derived from the DjVu(r) Reference Library
+//C- distributed by Lizardtech Software. On July 19th 2002, Lizardtech
+//C- Software authorized us to replace the original DjVu(r) Reference
+//C- Library notice by the following text (see doc/lizard2002.djvu):
+//C-
+//C- ------------------------------------------------------------------
+//C- | DjVu (r) Reference Library (v. 3.5)
+//C- | Copyright (c) 1999-2001 LizardTech, Inc. All Rights Reserved.
+//C- | The DjVu Reference Library is protected by U.S. Pat. No.
+//C- | 6,058,214 and patents pending.
+//C- |
+//C- | This software is subject to, and may be distributed under, the
+//C- | GNU General Public License, Version 2. The license should have
+//C- | accompanied the software or you may obtain a copy of the license
+//C- | from the Free Software Foundation at http://www.fsf.org .
+//C- |
+//C- | The computer code originally released by LizardTech under this
+//C- | license and unmodified by other parties is deemed "the LIZARDTECH
+//C- | ORIGINAL CODE." Subject to any third party intellectual property
+//C- | claims, LizardTech grants recipient a worldwide, royalty-free,
+//C- | non-exclusive license to make, use, sell, or otherwise dispose of
+//C- | the LIZARDTECH ORIGINAL CODE or of programs derived from the
+//C- | LIZARDTECH ORIGINAL CODE in compliance with the terms of the GNU
+//C- | General Public License. This grant only confers the right to
+//C- | infringe patent claims underlying the LIZARDTECH ORIGINAL CODE to
+//C- | the extent such infringement is reasonably necessary to enable
+//C- | recipient to make, have made, practice, sell, or otherwise dispose
+//C- | of the LIZARDTECH ORIGINAL CODE (or portions thereof) and not to
+//C- | any greater extent that may be necessary to utilize further
+//C- | modifications or combinations.
+//C- |
+//C- | The LIZARDTECH ORIGINAL CODE is provided "AS IS" WITHOUT WARRANTY
+//C- | OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED
+//C- | TO ANY WARRANTY OF NON-INFRINGEMENT, OR ANY IMPLIED WARRANTY OF
+//C- | MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
+//C- +------------------------------------------------------------------
+//
+// $Id: DjVuMessageLite.h,v 1.9 2003/11/07 22:08:21 leonb Exp $
+// $Name: release_3_5_15 $
+
+#ifndef __DJVU_MESSAGE_LITE_H__
+#define __DJVU_MESSAGE_LITE_H__
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+#if NEED_GNUG_PRAGMAS
+# pragma interface
+#endif
+
+// From: Leon Bottou, 1/31/2002
+// All these I18N XML messages are Lizardtech innovations.
+// For DjvuLibre, I changed the path extraction logic
+// and added support for non I18N messages.
+
+
+#include "GString.h"
+
+#ifdef HAVE_NAMESPACES
+namespace DJVU {
+# ifdef NOT_DEFINED // Just to fool emacs c++ mode
+}
+#endif
+#endif
+
+class lt_XMLTags;
+class ByteStream;
+
+/** Exception causes and external messages are passed as message lists which
+ have the following syntax:
+
+ message_list ::= single_message |
+ single_message separator message_list
+
+ separator ::= newline |
+ newline | separator
+
+ single_message ::= message_ID |
+ message_ID parameters
+
+ parameters ::= tab string |
+ tab string parameters
+
+ Message_IDs are looked up an external file and replaced by the message
+ text strings they are mapped to. The message text may contain the
+ following:
+
+ Parameter specifications: These are modelled after printf format
+ specifications and have one of the following forms:
+
+ %n!s! %n!d! %n!i! %n!u! %n!x! %n!X!
+
+ where n is the parameter number. The parameter number is indicated
+ explicitly to allow for the possibility that the parameter order may
+ change when the message text is translated into another language.
+ The final letter ('s', 'd', 'i', 'u', 'x', or 'X') indicates the form
+ of the parameter (string, integer, integer, unsigned integer, lowercase
+ hexadecimal, or uppercase hexadecimal, respectively). In addition
+ formating options such as precision available in sprintf, may be used.
+ So, to print the third argument as 5 digit unsigned number, with leading
+ zero's one could use:
+ %3!05u!
+
+ All of the arguments are actually strings. For forms that don't take
+ string input ('d', 'i', 'u', 'x', or 'X'), and atoi() conversion is done
+ on the string before formatting. In addition the form indicates to the
+ translater whether to expect a word or a number.
+
+ The strings are read in from XML. To to format the strings, use the
+ relavent XML escape sequences, such as follows:
+
+ 
 [line feed]
+ 	 [horizontal tab]
+ ' [single quote]
+ " [double quote]
+ < [less than sign]
+ > [greater than sign]
+
+ After parameters have been inserted in the message text, the formatting
+ strings are replaced by their usual equivalents (newline and tab
+ respectively).
+
+ If a message_id cannot be found in the external file, a message text
+ is fabricated giving the message_id and the parameters (if any).
+
+ Separators (newlines) are preserved in the translated message list.
+
+ Expands message lists by looking up the message IDs and inserting
+ arguments into the retrieved messages.
+
+ N.B. The resulting string may be encoded in UTF-8 format (ISO 10646-1
+ Annex R) and SHOULD NOT BE ASSUMED TO BE ASCII.
+ */
+
+class DjVuMessageLite : public GPEnabled
+{
+protected:
+ // Constructor:
+ DjVuMessageLite( void );
+ GMap<GUTF8String,GP<lt_XMLTags> > Map;
+ GUTF8String errors;
+ /// Creates a DjVuMessage class.
+ static const DjVuMessageLite &real_create(void);
+
+public:
+ /// Creates a DjVuMessage class.
+ static const DjVuMessageLite& (*create)(void);
+
+ /// Creates this class specifically.
+ static const DjVuMessageLite &create_lite(void);
+
+ /** Adds a byte stream to be parsed whenever the next DjVuMessage::create()
+ call is made. */
+ static void AddByteStreamLater(const GP<ByteStream> &bs);
+
+ /** Destructor: Does any necessary cleanup. Actions depend on how the message
+ file is implemented. */
+ ~DjVuMessageLite();
+
+ /// Lookup the relavent string and parse the message.
+ GUTF8String LookUp( const GUTF8String & MessageList ) const;
+
+ //// Same as LookUp, but this is a static method.
+ static GUTF8String LookUpUTF8( const GUTF8String & MessageList )
+ { return create().LookUp(MessageList); }
+
+ /** Same as Lookup, but returns the a multibyte character string in the
+ current locale. */
+ static GNativeString LookUpNative( const GUTF8String & MessageList )
+ { return create().LookUp(MessageList).getUTF82Native(); }
+
+ /// This is a simple alias to the above class, but does an fprintf to stderr.
+ static void perror( const GUTF8String & MessageList );
+
+protected:
+
+ /* Looks up the msgID in the file of messages. The strings message_text
+ and message_number are returned if found. If not found, these strings
+ are empty. */
+ void LookUpID( const GUTF8String & msgID,
+ GUTF8String &message_text, GUTF8String &message_number ) const;
+
+ /* Expands a single message and inserts the arguments. Single_Message
+ contains no separators (newlines), but includes all the parameters
+ separated by tabs. */
+ GUTF8String LookUpSingle( const GUTF8String & Single_Message ) const;
+
+ /* Insert a string into the message text. Will insert into any field
+ description. Except for an ArgId of zero (message number), if the
+ #ArgId# is not found, the routine adds a line with the parameter
+ so information will not be lost. */
+ void InsertArg(
+ GUTF8String &message, const int ArgId, const GUTF8String &arg ) const;
+
+ void AddByteStream(const GP<ByteStream> &bs);
+
+protected:
+ /* Static storage of the DjVuMessage class. */
+ static GP<DjVuMessageLite> &getDjVuMessageLite(void);
+ /* Static storage of the ByteStream list. */
+ static GPList<ByteStream> &getByteStream(void);
+};
+
+
+#ifdef HAVE_NAMESPACES
+}
+# ifndef NOT_USING_DJVU_NAMESPACE
+using namespace DJVU;
+# endif
+#endif
+#endif /* __DJVU_MESSAGE_LITE_H__ */
+