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-rw-r--r--src/fs/io/BufferedReader.hxx75
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diff --git a/src/fs/io/BufferedReader.hxx b/src/fs/io/BufferedReader.hxx
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+/*
+ * Copyright (C) 2003-2014 The Music Player Daemon Project
+ * http://www.musicpd.org
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#ifndef MPD_BUFFERED_READER_HXX
+#define MPD_BUFFERED_READER_HXX
+
+#include "check.h"
+#include "Compiler.h"
+#include "util/DynamicFifoBuffer.hxx"
+#include "util/Error.hxx"
+
+#include <stddef.h>
+
+class Reader;
+class Error;
+
+class BufferedReader {
+ static constexpr size_t MAX_SIZE = 512 * 1024;
+
+ Reader &reader;
+
+ DynamicFifoBuffer<char> buffer;
+
+ Error last_error;
+
+ bool eof;
+
+public:
+ BufferedReader(Reader &_reader)
+ :reader(_reader), buffer(4096), eof(false) {}
+
+ gcc_pure
+ bool Check() const {
+ return !last_error.IsDefined();
+ }
+
+ bool Check(Error &error) const {
+ if (last_error.IsDefined()) {
+ error.Set(last_error);
+ return false;
+ } else
+ return true;
+ }
+
+ bool Fill(bool need_more);
+
+ gcc_pure
+ WritableBuffer<void> Read() const {
+ return buffer.Read().ToVoid();
+ }
+
+ void Consume(size_t n) {
+ buffer.Consume(n);
+ }
+
+ char *ReadLine();
+};
+
+#endif