89 lines
3.1 KiB
C
89 lines
3.1 KiB
C
|
// Copyright (c) 2011 Marshall A. Greenblatt. All rights reserved.
|
||
|
|
//
|
||
|
|
// Redistribution and use in source and binary forms, with or without
|
||
|
|
// modification, are permitted provided that the following conditions are
|
||
|
|
// met:
|
||
|
|
//
|
||
|
|
// * Redistributions of source code must retain the above copyright
|
||
|
|
// notice, this list of conditions and the following disclaimer.
|
||
|
|
// * Redistributions in binary form must reproduce the above
|
||
|
|
// copyright notice, this list of conditions and the following disclaimer
|
||
|
|
// in the documentation and/or other materials provided with the
|
||
|
|
// distribution.
|
||
|
|
// * Neither the name of Google Inc. nor the name Chromium Embedded
|
||
|
|
// Framework nor the names of its contributors may be used to endorse
|
||
|
|
// or promote products derived from this software without specific prior
|
||
|
|
// written permission.
|
||
|
|
//
|
||
|
|
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
||
|
|
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
||
|
|
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
|
||
|
|
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
|
||
|
|
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
||
|
|
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
|
||
|
|
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
||
|
|
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
||
|
|
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
||
|
|
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
||
|
|
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
||
|
|
//
|
||
|
|
// ---------------------------------------------------------------------------
|
||
|
|
//
|
||
|
|
// The contents of this file are only available to applications that link
|
||
|
|
// against the libcef_dll_wrapper target.
|
||
|
|
//
|
||
|
|
|
||
|
|
#ifndef CEF_INCLUDE_WRAPPER_CEF_BYTE_READ_HANDLER_H_
|
||
|
|
#define CEF_INCLUDE_WRAPPER_CEF_BYTE_READ_HANDLER_H_
|
||
|
|
#pragma once
|
||
|
|
|
||
|
|
#include "include/cef_base.h"
|
||
|
|
#include "include/cef_stream.h"
|
||
|
|
|
||
|
|
///
|
||
|
|
// Thread safe implementation of the CefReadHandler class for reading an
|
||
|
|
// in-memory array of bytes.
|
||
|
|
///
|
||
|
|
class CefByteReadHandler : public CefReadHandler {
|
||
|
|
public:
|
||
|
|
///
|
||
|
|
// Create a new object for reading an array of bytes. An optional |source|
|
||
|
|
// reference can be kept to keep the underlying data source from being
|
||
|
|
// released while the reader exists.
|
||
|
|
///
|
||
|
|
CefByteReadHandler(const unsigned char* bytes, size_t size,
|
||
|
|
CefRefPtr<CefBase> source);
|
||
|
|
|
||
|
|
///
|
||
|
|
// Read raw binary data.
|
||
|
|
///
|
||
|
|
virtual size_t Read(void* ptr, size_t size, size_t n);
|
||
|
|
|
||
|
|
///
|
||
|
|
// Seek to the specified offset position. |whence| may be any one of
|
||
|
|
// SEEK_CUR, SEEK_END or SEEK_SET.
|
||
|
|
///
|
||
|
|
virtual int Seek(int64 offset, int whence);
|
||
|
|
|
||
|
|
///
|
||
|
|
// Return the current offset position.
|
||
|
|
///
|
||
|
|
virtual int64 Tell();
|
||
|
|
|
||
|
|
///
|
||
|
|
// Return non-zero if at end of file.
|
||
|
|
///
|
||
|
|
virtual int Eof();
|
||
|
|
|
||
|
|
private:
|
||
|
|
const unsigned char* bytes_;
|
||
|
|
int64 size_;
|
||
|
|
int64 offset_;
|
||
|
|
CefRefPtr<CefBase> source_;
|
||
|
|
|
||
|
|
IMPLEMENT_REFCOUNTING(CefByteReadHandler);
|
||
|
|
IMPLEMENT_LOCKING(CefByteReadHandler);
|
||
|
|
};
|
||
|
|
|
||
|
|
#endif // CEF_INCLUDE_WRAPPER_CEF_BYTE_READ_HANDLER_H_
|