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1 // procstream.h -*- C++ -*- |
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2 /* |
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3 |
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4 Copyright (C) 1992, 1993 John W. Eaton |
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5 |
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6 This file is part of Octave. |
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7 |
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8 Octave is free software; you can redistribute it and/or modify it |
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9 under the terms of the GNU General Public License as published by the |
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10 Free Software Foundation; either version 2, or (at your option) any |
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11 later version. |
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12 |
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13 Octave is distributed in the hope that it will be useful, but WITHOUT |
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14 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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16 for more details. |
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17 |
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18 You should have received a copy of the GNU General Public License |
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19 along with Octave; see the file COPYING. If not, write to the Free |
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20 Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. |
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21 |
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22 */ |
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23 |
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24 #if !defined (_procstream_h) |
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25 #define _procstream_h 1 |
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26 |
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27 #ifdef __GNUG__ |
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28 #pragma interface |
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29 #endif |
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30 |
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31 #include <iostream.h> |
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32 #include <procbuf.h> |
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33 |
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34 class |
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35 procstreambase : virtual public ios |
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36 { |
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37 public: |
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38 procstreambase (void); |
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39 procstreambase (const char *command, int mode = ios::out); |
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40 |
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41 procbuf *rdbuf (void) const { return (procbuf *) _strbuf; } |
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42 |
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43 void open (const char *command, int mode = ios::out); |
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44 int is_open (void) { return rdbuf()->is_open (); } |
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45 void close (void); |
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46 }; |
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47 |
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48 class |
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49 iprocstream : public procstreambase, public istream |
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50 { |
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51 public: |
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52 iprocstream (void) : procstreambase () {} |
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53 iprocstream (const char *command) : procstreambase (command, ios::in) {} |
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54 |
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55 void open (const char *command) { procstreambase::open (command, ios::in); } |
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56 }; |
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57 |
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58 class |
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59 oprocstream : public procstreambase, public ostream |
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60 { |
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61 public: |
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62 oprocstream (void) : procstreambase () {} |
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63 oprocstream (const char *command) : procstreambase (command, ios::out) {} |
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64 |
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65 void open (const char *command) { procstreambase::open (command, ios::out); } |
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66 }; |
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67 |
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68 #endif |
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69 |
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70 /* |
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71 ;;; Local Variables: *** |
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72 ;;; mode: C++ *** |
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73 ;;; page-delimiter: "^/\\*" *** |
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74 ;;; End: *** |
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75 */ |
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76 |
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77 |
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78 |
