83 lines
1.9 KiB
C++
83 lines
1.9 KiB
C++
/*
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* Copyright 2003-2016 The Music Player Daemon Project
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* http://www.musicpd.org
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#ifndef MPD_BUFFERED_OUTPUT_STREAM_HXX
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#define MPD_BUFFERED_OUTPUT_STREAM_HXX
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#include "check.h"
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#include "Compiler.h"
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#include "util/DynamicFifoBuffer.hxx"
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#include <stddef.h>
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#ifdef _UNICODE
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#include <wchar.h>
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#endif
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class OutputStream;
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/**
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* An #OutputStream wrapper that buffers its output to reduce the
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* number of OutputStream::Write() calls.
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*
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* All wchar_t based strings are converted to UTF-8.
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*/
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class BufferedOutputStream {
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OutputStream &os;
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DynamicFifoBuffer<char> buffer;
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public:
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BufferedOutputStream(OutputStream &_os)
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:os(_os), buffer(32768) {}
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void Write(const void *data, size_t size);
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void Write(const char &ch) {
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Write(&ch, sizeof(ch));
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}
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void Write(const char *p);
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gcc_printf(2,3)
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void Format(const char *fmt, ...);
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#ifdef _UNICODE
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void Write(const wchar_t &ch) {
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WriteWideToUTF8(&ch, 1);
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}
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void Write(const wchar_t *p);
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#endif
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/**
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* Write buffer contents to the #OutputStream.
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*/
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void Flush();
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private:
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bool AppendToBuffer(const void *data, size_t size) noexcept;
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#ifdef _UNICODE
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void WriteWideToUTF8(const wchar_t *p, size_t length);
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#endif
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};
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#endif
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