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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: 16 июн. 2018 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_INSEQUENCE_H_
#define LSP_PLUG_IN_IO_INSEQUENCE_H_
#include <lsp-plug.in/runtime/version.h>
#include <lsp-plug.in/common/types.h>
#include <lsp-plug.in/io/charset.h>
#include <lsp-plug.in/io/Path.h>
#include <lsp-plug.in/io/File.h>
#include <lsp-plug.in/io/CharsetDecoder.h>
#include <lsp-plug.in/io/IInSequence.h>
#include <lsp-plug.in/io/IInStream.h>
#include <lsp-plug.in/stdlib/stdio.h>
namespace lsp
{
namespace io
{
class InSequence: public IInSequence
{
protected:
IInStream *pIS;
size_t nWrapFlags;
CharsetDecoder sDecoder;
LSPString sLine;
private:
InSequence & operator = (const InSequence &);
lsp_swchar_t read_internal();
public:
explicit InSequence();
virtual ~InSequence();
public:
/** Wrap stdio file descriptor. The Sequence should be in closed state.
*
* @param fd file descriptor
* @param close close file descriptor on close()
* @param charset character set to use, system charset if NULL
* @return status of operation
*/
status_t wrap(FILE *fd, bool close, const char *charset = NULL);
/** Wrap native file descriptor. The Sequence should be in closed state.
*
* @param fd file descriptor
* @param close close file descriptor on close()
* @param charset character set to use, system charset if NULL
* @return status of operation
*/
status_t wrap_native(fhandle_t fd, bool close, const char *charset = NULL);
/** Wrap file descriptor. The Sequence should be in closed state.
*
* @param fd file descriptor
* @param flags wrapping flags
* @param charset character set to use, system charset if NULL
* @return status of operation
*/
status_t wrap(File *fd, size_t flags, const char *charset = NULL);
/** Wrap input stream. The Sequence should be in closed state.
*
* @param is input stream to wrap
* @param flags wrapping flags
* @param charset character set to use, system charset if NULL
* @return status of operation
*/
status_t wrap(IInStream *is, size_t flags, const char *charset = NULL);
/** Open input stream associated with file. The Sequence should be in closed state.
*
* @param path file location path
* @param charset character set to use, system charset if NULL
* @return status of operation
*/
status_t open(const char *path, const char *charset = NULL);
/** Open input stream associated with file. The Sequence should be in closed state.
*
* @param path file location path
* @param charset character set to use, system charset if NULL
* @return status of operation
*/
status_t open(const LSPString *path, const char *charset = NULL);
/** Open input stream associated with file. Before open currently open stream is closed and it's
* state is reset.
*
* @param path file location path
* @param charset character set to use, system charset if NULL
* @return status of operation
*/
status_t open(const Path *path, const char *charset = NULL);
virtual ssize_t read(lsp_wchar_t *dst, size_t count);
virtual lsp_swchar_t read();
virtual status_t read_line(LSPString *s, bool force = false);
virtual ssize_t skip(size_t count);
virtual status_t close();
};
}
} /* namespace lsp */
#endif /* LSP_PLUG_IN_IO_INSEQUENCE_H_ */
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