(61d00a474) v0.9.7.1

Libraries/webm_mem_playback/libwebm/webvtt/vttreader.h

@@ -0,0 +1,44 @@
+// Copyright (c) 2012 The WebM project authors. All Rights Reserved.
+//
+// Use of this source code is governed by a BSD-style license
+// that can be found in the LICENSE file in the root of the source
+// tree. An additional intellectual property rights grant can be found
+// in the file PATENTS.  All contributing project authors may
+// be found in the AUTHORS file in the root of the source tree.
+
+#ifndef WEBVTT_VTTREADER_H_
+#define WEBVTT_VTTREADER_H_
+
+#include <cstdio>
+#include "./webvttparser.h"
+
+namespace libwebvtt {
+
+class VttReader : public libwebvtt::Reader {
+ public:
+  VttReader();
+  virtual ~VttReader();
+
+  // Open the file identified by |filename| in read-only mode, as a
+  // binary stream of bytes.  Returns 0 on success, negative if error.
+  int Open(const char* filename);
+
+  // Closes the file stream.  Note that the stream is automatically
+  // closed when the VttReader object is destroyed.
+  void Close();
+
+  // Reads the next character in the file stream, as per the semantics
+  // of Reader::GetChar.  Returns negative if error, 0 on success, and
+  // positive if end-of-stream has been reached.
+  virtual int GetChar(char* c);
+
+ private:
+  FILE* file_;
+
+  VttReader(const VttReader&);
+  VttReader& operator=(const VttReader&);
+};
+
+}  // namespace libwebvtt
+
+#endif  // WEBVTT_VTTREADER_H_