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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: 14 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_IOUTSEQUENCE_H_
#define LSP_PLUG_IN_IO_IOUTSEQUENCE_H_
#include <lsp-plug.in/runtime/version.h>
#include <lsp-plug.in/runtime/LSPString.h>
#include <lsp-plug.in/common/types.h>
#include <lsp-plug.in/common/status.h>
namespace lsp
{
namespace io
{
class IOutSequence
{
protected:
status_t nErrorCode;
protected:
inline status_t set_error(status_t error) { return nErrorCode = error; }
private:
IOutSequence & operator = (const IOutSequence &);
public:
explicit IOutSequence();
virtual ~IOutSequence();
public:
/**
* Return last error code
* @return last error code
*/
inline status_t last_error() const { return nErrorCode; };
/**
* Write single character to output stream
* @param c character to write
* @return status of operation
*/
virtual status_t write(lsp_wchar_t c);
/**
* Write single character to output stream and trailing end-of-line
* @param c character to write
* @return status of operation
*/
virtual status_t writeln(lsp_wchar_t c);
/**
* Write multiple characters to output stream
* @param c array of characters to write
* @param count number of characters to write
* @return status of operation
*/
virtual status_t write(const lsp_wchar_t *c, size_t count);
/**
* Write multiple characters to output stream and end-of-line
* @param c array of characters to write
* @param count number of characters to write
* @return status of operation
*/
virtual status_t writeln(const lsp_wchar_t *c, size_t count);
/**
* Write null-terminated ASCII string to output
* @param s ASCII string to write
* @param count number of characters to write
* @return status of operation
*/
virtual status_t write_ascii(const char *s);
/**
* Write ASCII character sequence to output
* @param s ASCII string to write
* @param count number of characters to write
* @return status of operation
*/
virtual status_t write_ascii(const char *s, size_t count);
/**
* Write zero-terminated ASCII string to output and end-of-line
* @param s ASCII string to write
* @param count number of characters to write
* @return status of operation
*/
virtual status_t writeln_ascii(const char *s);
/**
* Write string to output stream
* @param s string to write
* @return status of operation
*/
virtual status_t write(const LSPString *s);
/**
* Write string to output stream and end-of-line
* @param s string to write
* @return status of operation
*/
virtual status_t writeln(const LSPString *s);
/**
* Write substring to output stream
* @param s string to write
* @param first index of first character to write substring from
* @return status of operation
*/
virtual status_t write(const LSPString *s, ssize_t first);
/**
* Write substring to output stream and end-of-line
* @param s string to write
* @param first index of first character to write substring from
* @return status of operation
*/
virtual status_t writeln(const LSPString *s, ssize_t first);
/**
* Write substring to output stream
* @param s string to write
* @param first index of first character to write substring from
* @param last index of last character to write substring
* @return status of operation
*/
virtual status_t write(const LSPString *s, ssize_t first, ssize_t last);
/**
* Write substring to output stream and end-of-line
* @param s string to write
* @param first index of first character to write substring from
* @param last index of last character to write substring
* @return status of operation
*/
virtual status_t writeln(const LSPString *s, ssize_t first, ssize_t last);
/**
* Flush all underlying buffers
* @return status of operation
*/
virtual status_t flush();
/**
* Close character output stream
* @return status of operation
*/
virtual status_t close();
};
}
} /* namespace lsp */
#endif /* LSP_PLUG_IN_IO_IOUTSEQUENCE_H_ */
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