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/*
* Copyright (C) 2020 Linux Studio Plugins Project <https://lsp-plug.in/>
* (C) 2020 Vladimir Sadovnikov <sadko4u@gmail.com>
*
* This file is part of lsp-runtime-lib
* Created on: 13 мар. 2019 г.
*
* lsp-runtime-lib is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* any later version.
*
* lsp-runtime-lib 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with lsp-runtime-lib. If not, see <https://www.gnu.org/licenses/>.
*/
#ifndef LSP_PLUG_IN_IO_INFILESTREAM_H_
#define LSP_PLUG_IN_IO_INFILESTREAM_H_
#include <lsp-plug.in/runtime/version.h>
#include <lsp-plug.in/runtime/LSPString.h>
#include <lsp-plug.in/stdlib/stdio.h>
#include <lsp-plug.in/io/File.h>
#include <lsp-plug.in/io/Path.h>
#include <lsp-plug.in/io/IInStream.h>
namespace lsp
{
namespace io
{
class InFileStream: public IInStream
{
protected:
File *pFD;
size_t nWrapFlags;
private:
InFileStream & operator = (const InFileStream &);
public:
explicit InFileStream();
virtual ~InFileStream();
public:
/** Wrap stdio file descriptor. The Reader should be in closed state.
*
* @param fd file descriptor
* @param close close file descriptor on close()
* @return status of operation
*/
status_t wrap(FILE *fd, bool close);
/** Wrap native file descriptor. The Reader should be in closed state.
*
* @param fd file descriptor
* @param close close file descriptor on close()
* @return status of operation
*/
status_t wrap_native(fhandle_t fd, bool close);
/** Wrap file descriptor. The Reader should be in closed state.
*
* @param fd file descriptor
* @param flags wrapping flags
* @return status of operation
*/
status_t wrap(File *fd, size_t flags);
/** Open input stream associated with file. The Reader should be in closed state.
*
* @param path file location path
* @return status of operation
*/
status_t open(const char *path);
/** Open input stream associated with file. The Reader should be in closed state.
*
* @param path file location path
* @return status of operation
*/
status_t open(const LSPString *path);
/** Open input stream associated with file. Before open currently open stream is closed and it's
* state is reset.
*
* @param path file location path
* @return status of operation
*/
status_t open(const Path *path);
virtual wssize_t avail();
virtual wssize_t position();
virtual ssize_t read(void *dst, size_t count);
virtual wssize_t seek(wsize_t position);
virtual wssize_t skip(wsize_t amount);
virtual status_t close();
};
} /* namespace io */
} /* namespace lsp */
#endif /* LSP_PLUG_IN_IO_INFILESTREAM_H_ */
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