text_input_stream: input_stream wrapper for reading text files

src/text_input_stream.h

@@ -0,0 +1,52 @@
+/*
+ * Copyright (C) 2003-2009 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_INPUT_STREAM_H
+#define MPD_TEXT_INPUT_STREAM_H
+
+struct input_stream;
+struct text_input_stream;
+
+/**
+ * Wraps an existing #input_stream object into a #text_input_stream,
+ * to read its contents as text lines.
+ *
+ * @param is an open #input_stream object
+ * @return the new #text_input_stream object
+ */
+struct text_input_stream *
+text_input_stream_new(struct input_stream *is);
+
+/**
+ * Frees the #text_input_stream object.  Does not close or free the
+ * underlying #input_stream.
+ */
+void
+text_input_stream_free(struct text_input_stream *tis);
+
+/**
+ * Reads the next line from the stream.
+ *
+ * @return a line (newline character stripped), or NULL on end of file
+ * or error
+ */
+const char *
+text_input_stream_read(struct text_input_stream *tis);
+
+#endif