81 lines
1.7 KiB
C
81 lines
1.7 KiB
C
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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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* @file pfstreamBuf.h
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* @author cary
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* @date 2000-12-12
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*/
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#ifndef __PFSTREAMBUF_H__
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#define __PFSTREAMBUF_H__
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#include "dtoolbase.h"
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#include <string>
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#include <stdio.h>
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// By default, we'll use the Windows flavor of pipe functions if we're
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// compiling under Windows. Turn this off to use popen(), even on Windows.
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// (popen() doesn't seem to work on Win9x, although it does work on NT-based
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// variants.)
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#ifdef WIN32_VC
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#define WIN_PIPE_CALLS 1
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#endif
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#ifdef WIN_PIPE_CALLS
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#ifndef WIN32_LEAN_AND_MEAN
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#define WIN32_LEAN_AND_MEAN 1
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#endif
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#include <windows.h>
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#else // WIN_PIPE_CALLS
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#ifdef WIN32_VC
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#define popen _popen
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#define pclose _pclose
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#endif
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#endif // WIN_PIPE_CALLS
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class EXPCL_DTOOL_DTOOLUTIL PipeStreamBuf : public std::streambuf {
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public:
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enum Direction { Input, Output };
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PipeStreamBuf(Direction);
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virtual ~PipeStreamBuf(void);
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void flush();
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void command(const std::string);
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protected:
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virtual int overflow(int c);
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virtual int sync(void);
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virtual int underflow(void);
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private:
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void init_pipe();
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bool is_open() const;
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bool eof_pipe() const;
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bool open_pipe(const std::string &cmd);
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void close_pipe();
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size_t write_pipe(const char *data, size_t len);
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size_t read_pipe(char *data, size_t len);
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Direction _dir;
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std::string _line_buffer;
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#ifndef WIN_PIPE_CALLS
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FILE *_pipe;
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#else // WIN_PIPE_CALLS
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HANDLE _child_out;
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#endif // WIN_PIPE_CALLS
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void write_chars(const char*, int, bool);
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};
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#endif /* __PFSTREAMBUF_H__ */
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