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/*
* writer.h
*
* This file is a part of NSIS.
*
* Copyright (C) 1999-2008 Nullsoft and Contributors
*
* Licensed under the zlib/libpng license (the "License");
* you may not use this file except in compliance with the License.
*
* Licence details can be found in the file COPYING.
*
* This software is provided 'as-is', without any express or implied
* warranty.
*/
#ifndef ___WRITER__H___
#define ___WRITER__H___
#include "exehead/config.h"
#include "growbuf.h"
#include "crc32.h"
#include <stdio.h>
class writer_sink {
public:
writer_sink() {}
virtual ~writer_sink() {}
virtual void write_byte(const unsigned char b);
virtual void write_short(const short s);
virtual void write_int(const int i);
virtual void write_int_array(const int i[], const size_t len);
virtual void write_string(const char *s);
virtual void write_string(const char *s, const size_t size);
virtual void write_growbuf(const IGrowBuf *b);
virtual void write_data(const void *data, const size_t size) = 0;
};
class writer {
public:
writer(writer_sink *sink) : m_sink(sink) {}
virtual ~writer() {}
protected:
writer_sink *m_sink;
};
class growbuf_writer_sink : public writer_sink {
public:
growbuf_writer_sink(IGrowBuf *buf) : m_buf(buf) {}
virtual void write_data(const void *data, const size_t size);
private:
IGrowBuf *m_buf;
};
class file_writer_sink : public writer_sink {
public:
file_writer_sink(FILE *fp) : m_fp(fp) {}
virtual void write_data(const void *data, const size_t size);
private:
FILE *m_fp;
};
#ifdef NSIS_CONFIG_CRC_SUPPORT
class crc_writer_sink : public writer_sink {
public:
crc_writer_sink(crc32_t *crc) : m_crc(crc) {}
virtual void write_data(const void *data, const size_t size);
private:
crc32_t *m_crc;
};
#endif
#endif//!___WRITER__H___
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