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/*
* Copyright (C) 2008-2012 Geometer Plus <[email protected]>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301, USA.
*/
#ifndef __DOCSTREAMS_H__
#define __DOCSTREAMS_H__
#include <ZLFile.h>
#include <ZLInputStream.h>
class DocReader;
class DocStream : public ZLInputStream {
public:
DocStream(const ZLFile& file, std::size_t maxSize);
~DocStream();
private:
bool open();
std::size_t read(char *buffer, std::size_t maxSize);
void close();
void seek(int offset, bool absoluteOffset);
std::size_t offset() const;
std::size_t sizeOfOpened();
protected:
virtual shared_ptr<DocReader> createReader(char *buffer, std::size_t maxSize) = 0;
private:
const ZLFile myFile;
char *myBuffer;
std::size_t mySize;
std::size_t myOffset;
};
class DocAnsiStream : public DocStream {
public:
DocAnsiStream(const ZLFile& file, std::size_t maxSize);
~DocAnsiStream();
private:
shared_ptr<DocReader> createReader(char *buffer, std::size_t maxSize);
};
class DocUcs2Stream : public DocStream {
public:
DocUcs2Stream(const ZLFile& file, std::size_t maxSize);
~DocUcs2Stream();
private:
shared_ptr<DocReader> createReader(char *buffer, std::size_t maxSize);
};
#endif /* __DOCSTREAMS_H__ */
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