Initial commit of libcef and cefclient projects.

git-svn-id: https://chromiumembedded.googlecode.com/svn/trunk@2 5089003a-bbd8-11dd-ad1f-f1f9622dbc98

libcef/stream_impl.h

@@ -0,0 +1,95 @@
+// Copyright (c) 2008 The Chromium Embedded Framework Authors. All rights
+// reserved. Use of this source code is governed by a BSD-style license that
+// can be found in the LICENSE file.
+
+#ifndef _STREAM_IMPL_H
+#define _STREAM_IMPL_H
+
+#include "../include/cef.h"
+#include <stdio.h>
+
+// Implementation of CefStreamReader for files.
+class CefFileReader : public CefThreadSafeBase<CefStreamReader>
+{
+public:
+  CefFileReader(FILE* file, bool close);
+  ~CefFileReader();
+
+  virtual size_t Read(void *ptr, size_t size, size_t n);
+  virtual int Seek(long offset, int whence);
+  virtual long Tell();
+  virtual int Eof();
+	
+protected:
+  bool close_;
+  FILE *file_;
+};
+
+// Implementation of CefStreamWriter for files.
+class CefFileWriter : public CefThreadSafeBase<CefStreamWriter>
+{
+public:
+  CefFileWriter(FILE* file, bool close);
+  ~CefFileWriter();
+
+  virtual size_t Write(const void *ptr, size_t size, size_t n);
+  virtual int Seek(long offset, int whence);
+  virtual long Tell();
+  virtual int Flush();
+	
+protected:
+  FILE *file_;
+  bool close_;
+};
+
+// Implementation of CefStreamReader for byte buffers.
+class CefBytesReader : public CefThreadSafeBase<CefStreamReader>
+{
+public:
+  CefBytesReader(void *data, long datasize, bool copy);
+  ~CefBytesReader();
+
+  virtual size_t Read(void *ptr, size_t size, size_t n);
+  virtual int Seek(long offset, int whence);
+  virtual long Tell();
+  virtual int Eof();
+	
+  void SetData(void *data, long datasize, bool copy);
+
+  void *GetData() { return data_; }
+  size_t GetDataSize() { return offset_; }
+
+protected:
+	void *data_;
+	size_t datasize_;
+  bool copy_;
+	size_t offset_;
+};
+
+// Implementation of CefStreamWriter for byte buffers.
+class CefBytesWriter : public CefThreadSafeBase<CefStreamWriter>
+{
+public:
+  CefBytesWriter(size_t grow);
+  ~CefBytesWriter();
+
+  virtual size_t Write(const void *ptr, size_t size, size_t n);
+  virtual int Seek(long offset, int whence);
+  virtual long Tell();
+  virtual int Flush();
+
+  void *GetData() { return data_; }
+	size_t GetDataSize() { return offset_; }
+  std::string GetDataString();
+	
+protected:
+	size_t Grow(size_t size);
+
+protected:
+  size_t grow_;
+  void *data_;
+  size_t datasize_;
+  size_t offset_;
+};
+
+#endif // _STREAM_IMPL_H