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175 lines
5.1 KiB
175 lines
5.1 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: DjVuErrorList.cpp,v 1.8 2003/11/07 22:08:20 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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#include "DjVuErrorList.h"
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#include "DjVmDoc.h"
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#include "GException.h"
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#include "GContainer.h"
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#include "GOS.h"
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#include "DataPool.h"
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#include <string.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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DjVuErrorList::DjVuErrorList() {}
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GURL
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DjVuErrorList::set_stream(GP<ByteStream> xibs)
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{
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GUTF8String name;
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static unsigned long serial=0;
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pool=DataPool::create(xibs);
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name.format("data://%08lx/%08lx.djvu",
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++serial,(unsigned long)(size_t)((const ByteStream *)xibs));
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pool_url=GURL::UTF8(name);
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return pool_url;
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}
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bool
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DjVuErrorList::notify_error(const DjVuPort * source, const GUTF8String & msg)
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{
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Errors.append(msg);
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return 1;
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}
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bool
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DjVuErrorList::notify_status(const DjVuPort * source, const GUTF8String &msg)
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{
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Status.append(msg);
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return 1;
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}
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GUTF8String
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DjVuErrorList::GetError(void)
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{
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GUTF8String PrevError;
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GPosition pos;
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if((pos=Errors))
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{
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PrevError=Errors[pos];
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Errors.del(pos);
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}
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return PrevError;
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}
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GUTF8String
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DjVuErrorList::GetStatus(void)
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{
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GUTF8String PrevStatus;
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GPosition pos;
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if((pos=Status))
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{
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PrevStatus=Status[pos];
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Status.del(pos);
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}
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return PrevStatus;
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}
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GP<DataPool>
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DjVuErrorList::request_data(const DjVuPort * source, const GURL & url)
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{
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GP<DataPool> retval;
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G_TRY
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{
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if (pool && url.protocol().downcase() == "data")
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{
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if(url == pool_url)
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{
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retval=pool;
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}else if(url.base() == pool_url)
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{
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GUTF8String name=url.fname();
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GP<DjVmDoc> doc=DjVmDoc::create();
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GP<ByteStream> bs=pool->get_stream();
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doc->read(*bs);
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retval=doc->get_data(name);
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}
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}else if (url.is_local_file_url())
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{
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// GUTF8String fname=GOS::url_to_filename(url);
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// if (GOS::basename(fname)=="-") fname="-";
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retval=DataPool::create(url);
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}
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}
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G_CATCH_ALL
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{
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retval=0;
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} G_ENDCATCH;
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return retval;
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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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