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author | toma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da> | 2009-11-25 17:56:58 +0000 |
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committer | toma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da> | 2009-11-25 17:56:58 +0000 |
commit | 47d455dd55be855e4cc691c32f687f723d9247ee (patch) | |
tree | 52e236aaa2576bdb3840ebede26619692fed6d7d /kviewshell/plugins/djvu/libdjvu/UnicodeByteStream.h | |
download | tdegraphics-47d455dd55be855e4cc691c32f687f723d9247ee.tar.gz tdegraphics-47d455dd55be855e4cc691c32f687f723d9247ee.zip |
Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.
BUG:215923
git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdegraphics@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da
Diffstat (limited to 'kviewshell/plugins/djvu/libdjvu/UnicodeByteStream.h')
-rw-r--r-- | kviewshell/plugins/djvu/libdjvu/UnicodeByteStream.h | 199 |
1 files changed, 199 insertions, 0 deletions
diff --git a/kviewshell/plugins/djvu/libdjvu/UnicodeByteStream.h b/kviewshell/plugins/djvu/libdjvu/UnicodeByteStream.h new file mode 100644 index 00000000..df678ffe --- /dev/null +++ b/kviewshell/plugins/djvu/libdjvu/UnicodeByteStream.h @@ -0,0 +1,199 @@ +//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: UnicodeByteStream.h,v 1.9 2003/11/07 22:08:22 leonb Exp $ +// $Name: release_3_5_15 $ + +#ifndef _UNICODEBYTESTREAM_H_ +#define _UNICODEBYTESTREAM_H_ +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif +#if NEED_GNUG_PRAGMAS +# pragma interface +#endif + + +/** @name UnicodeByteStream.h + + Files #"UnicodeByteStream.h"# and #"UnicodeByteStream.cpp"# implement a parser for + files structured W3C Extensible Markup Language (XML) 1.0 (Second Edition). + + Class \Ref{UnicodeByteStream} provides a way to read or write XML files. + files. Member functions provide an easy mean to position the underlying + \Ref{ByteStream}. + + {\bf References} --- W3C Extensible Markup Language (XML) 1.0 + (Second Edition) + \URL{http://www.w3.org/TR/2000/REC-xml-20001006.html} + + @memo + XML file parser. + @author + Bill C Riemers <[email protected]> + @version + #$Id: UnicodeByteStream.h,v 1.9 2003/11/07 22:08:22 leonb Exp $# */ +//@{ + +#include "DjVuGlobal.h" +#include "GString.h" +#include "ByteStream.h" + + +#ifdef HAVE_NAMESPACES +namespace DJVU { +# ifdef NOT_DEFINED // Just to fool emacs c++ mode +} +#endif +#endif + + + +/** ByteStream interface for an Unicode file. + + Class #UnicodeByteStream# augments the #ByteStream# interface with + functions for navigating Unicode documents. It works in relation + with a ByteStream specified at construction time. + + {\bf Reading an Unicode file} --- You can read an Unicode file by + constructing an #UnicodeByteStream# object attached to the ByteStream + containing the Unicode file. + + {\bf Writing an Unicode file} --- You can write an Unicode file by + constructing an #UnicodeByteStream# object attached to the seekable + ByteStream object that will contain the XML file. + + Writing an XML file requires a seekable ByteStream (see + \Ref{ByteStream::is_seekable}). This is not much of a problem because you + can always create the XML file into a \Ref{MemoryByteStream} and then use + \Ref{ByteStream::copy} to transfer the XML file into a non seekable + ByteStream. */ + +class UnicodeByteStream : public ByteStream +{ +protected: + UnicodeByteStream(const UnicodeByteStream &bs); + UnicodeByteStream(GP<ByteStream> bs, + const GStringRep::EncodeType encodetype=GStringRep::XUTF8); +public: + /** Constructs an UnicodeByteStream object attached to ByteStream #bs#. + Any ByteStream can be used when reading an XML file. Writing + an XML file however requires a seekable ByteStream. */ + static GP<UnicodeByteStream> create(GP<ByteStream> bs, + const GStringRep::EncodeType encodetype=GStringRep::XUTF8) + { return new UnicodeByteStream(bs,encodetype); } + + // --- BYTESTREAM INTERFACE + ~UnicodeByteStream(); + /// Sets the encoding type and seek's to position 0. + void set_encodetype(const GStringRep::EncodeType et=GStringRep::XUTF8); + void set_encoding(const GUTF8String &encoding); + /// Simmular to fgets(), except read aheads effect the tell() position. + virtual GUTF8String gets(size_t const t=0,unsigned long const stopat='\n',bool const inclusive=true); + /// Resets the gets buffering as well as physically seeking. + virtual int seek(long offset, int whence = SEEK_SET, bool nothrow=false); + /** Physically reads the specified bytes, and truncate the read ahead buffer. + */ + virtual size_t read(void *buffer, size_t size); + /// Not correctly implimented... + virtual size_t write(const void *buffer, size_t size); + /// tell will tell you the read position, including read ahead for gets()... + virtual long tell(void) const; + /// Does a flush, and clears the read ahead buffer. + virtual void flush(void); + + /// Find out how many lines have been read with gets. + int get_lines_read(void) const { return linesread; } +protected: + /// The real byte stream. + GP<ByteStream> bs; + GUTF8String buffer; + int bufferpos; + int linesread; + long startpos; +private: + // Cancel C++ default stuff + UnicodeByteStream & operator=(UnicodeByteStream &); +}; + + +class XMLByteStream : public UnicodeByteStream +{ +protected: + XMLByteStream(GP<ByteStream> &bs); + XMLByteStream(UnicodeByteStream &bs); + void init(void); +public: + static GP<XMLByteStream> create(GP<ByteStream> bs); + static GP<XMLByteStream> create(UnicodeByteStream &bs); + // --- BYTESTREAM INTERFACE + ~XMLByteStream(); +}; + +inline GP<XMLByteStream> +XMLByteStream::create(UnicodeByteStream &bs) +{ + return new XMLByteStream(bs); +} + +//@} + + +#ifdef HAVE_NAMESPACES +} +# ifndef NOT_USING_DJVU_NAMESPACE +using namespace DJVU; +# endif +#endif +#endif + |