65 lines
1.5 KiB
C++
65 lines
1.5 KiB
C++
// Filename: handleStreamBuf.h
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// Created by: drose (05Jun09)
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//
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////////////////////////////////////////////////////////////////////
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//
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// PANDA 3D SOFTWARE
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// Copyright (c) Carnegie Mellon University. All rights reserved.
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//
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// All use of this software is subject to the terms of the revised BSD
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// license. You should have received a copy of this license along
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// with this source code in a file named "LICENSE."
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//
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////////////////////////////////////////////////////////////////////
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#ifndef HANDLESTREAMBUF_H
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#define HANDLESTREAMBUF_H
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#include "fhandle.h"
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#include "p3d_lock.h"
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#include <iostream>
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using namespace std;
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////////////////////////////////////////////////////////////////////
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// Class : HandleStreamBuf
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// Description :
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////////////////////////////////////////////////////////////////////
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class HandleStreamBuf : public streambuf {
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public:
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HandleStreamBuf();
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virtual ~HandleStreamBuf();
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void open_read(FHandle handle);
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void open_write(FHandle handle);
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bool is_open_read() const;
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bool is_open_write() const;
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void close();
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void close_handle();
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inline FHandle get_handle() const;
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inline bool has_gdata() const;
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protected:
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virtual int overflow(int c);
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virtual int sync();
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virtual int underflow();
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private:
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size_t read_chars(char *start, size_t length);
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size_t write_chars(const char *start, size_t length);
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private:
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bool _is_open_read;
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bool _is_open_write;
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FHandle _handle;
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LOCK _lock;
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char *_buffer;
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};
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#include "handleStreamBuf.I"
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#endif
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