1 files changed, 73 insertions, 0 deletions
diff --git a/src/fs/io/TextFile.hxx b/src/fs/io/TextFile.hxx
new file mode 100644
index 000000000..5577363e7
--- /dev/null
+++ b/src/fs/io/TextFile.hxx
@@ -0,0 +1,73 @@
+/*
+ * 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_TEXT_FILE_HXX
+#define MPD_TEXT_FILE_HXX
+
+#include "check.h"
+#include "Compiler.h"
+
+#include <stddef.h>
+
+class Path;
+class Error;
+class FileReader;
+class AutoGunzipReader;
+class BufferedReader;
+
+class TextFile {
+	FileReader *const file_reader;
+
+#ifdef HAVE_ZLIB
+	AutoGunzipReader *const gunzip_reader;
+#endif
+
+	BufferedReader *const buffered_reader;
+
+public:
+	TextFile(Path path_fs, Error &error);
+
+	TextFile(const TextFile &other) = delete;
+
+	~TextFile();
+
+	bool HasFailed() const {
+		return gcc_unlikely(buffered_reader == nullptr);
+	}
+
+	/**
+	 * Reads a line from the input file, and strips trailing
+	 * space.  There is a reasonable maximum line length, only to
+	 * prevent denial of service.
+	 *
+	 * Use Check() after nullptr has been returned to check
+	 * whether an error occurred or end-of-file has been reached.
+	 *
+	 * @param file the source file, opened in text mode
+	 * @return a pointer to the line, or nullptr on end-of-file or error
+	 */
+	char *ReadLine();
+
+	/**
+	 * Check whether a ReadLine() call has thrown an error.
+	 */
+	bool Check(Error &error) const;
+};
+
+#endif