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