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147 lines
5.5 KiB
147 lines
5.5 KiB
//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: DjVmNav.h,v 1.1 2005/05/25 17:36:53 leonb Exp $
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// $Name: release_3_5_15 $
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#ifndef _DJVMNAV_H
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#define _DJVMNAV_H
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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 interface
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#endif
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#include "DjVuGlobal.h"
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#include "GString.h"
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#include "GThreads.h"
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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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class ByteStream;
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/** The NAVM chunk.
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The optional #"NAVM"# chunk which follows the DIRM chunk describes
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how the user can navigate the document.
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This is a list of DjVuBookMarks.
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**/
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class DjVmNav : public GPEnabled
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{
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public:
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/** Class \Ref{DjVmNav::DjVuBookMark} represents a entry in the
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hierarchy of contents. */
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class DjVuBookMark;
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static GP<DjVmNav> create(void);
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/** Decodes the directory from the specified stream. */
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void decode(const GP<ByteStream> &stream);
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/** Encodes the directory into the specified stream. */
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void encode(const GP<ByteStream> &stream) ;
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void dump(const GP<ByteStream> &stream) ;
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/** Return bookmark at zero-based position i */
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bool getBookMark(GP<DjVuBookMark> &gpBookMark, int i) ;
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int getBookMarkCount();
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/** Append the BookMark to the end of the list */
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void append (const GP<DjVuBookMark> &gpBookMark) ;
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/** This function will check the given bookmark is valid or not */
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bool isValidBookmark();
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/** This function determines if the given count_array is a tree
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sequence, that is if it fits a tree. */
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int get_tree(int index, int* count_array, int count_array_size);
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protected:
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DjVmNav(void) { } ;
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private:
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GCriticalSection class_lock;
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GPList<DjVuBookMark> bookmark_list;
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};
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/** The DjVuBookMark.
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Each entry in the Navigation chunk (NAVM) is a bookmark. A bookmark
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contains a count of immediate tqchildren, a display string and a url.
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**/
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class DjVmNav::DjVuBookMark : public GPEnabled
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{
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protected:
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/** Default constructor. */
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DjVuBookMark(void);
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public:
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static GP<DjVuBookMark> create(void);
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static GP<DjVuBookMark> create(const unsigned short count,
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const GUTF8String &displayname,
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const GUTF8String &url);
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void encode(const GP<ByteStream> &stream);
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void dump(const GP<ByteStream> &stream);
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void decode(const GP<ByteStream> &stream);
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int count; // count of immediate tqchildren.
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GUTF8String displayname; // example: "Section 3.5 - Encryption"
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GUTF8String url; // url, may be blank or relative.
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};
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#ifdef HAVE_NAMESPACES
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}
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# ifndef NOT_USING_DJVU_NAMESPACE
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using namespace DJVU;
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# endif
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#endif
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#endif
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