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1 /* |
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2 |
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3 Copyright (C) 2000 John W. Eaton |
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4 |
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5 This file is part of Octave. |
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6 |
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7 Octave is free software; you can redistribute it and/or modify it |
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8 under the terms of the GNU General Public License as published by the |
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9 Free Software Foundation; either version 2, or (at your option) any |
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10 later version. |
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11 |
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12 Octave is distributed in the hope that it will be useful, but WITHOUT |
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13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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15 for more details. |
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16 |
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17 You should have received a copy of the GNU General Public License |
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18 along with Octave; see the file COPYING. If not, write to the Free |
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19 Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
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20 |
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21 */ |
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22 |
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23 #if !defined (octave_c_file_ptr_stream_h) |
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24 #define octave_c_file_ptr_stream_h 1 |
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25 |
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26 #ifdef __GNUG__ |
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27 #pragma interface |
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28 #endif |
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29 |
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30 #include <iostream> |
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31 #include <stdio.h> |
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32 |
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33 class |
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34 c_file_ptr_buf : public std::streambuf |
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35 { |
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36 public: |
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37 |
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38 FILE* stdiofile (void) const { return f; } |
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39 |
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40 c_file_ptr_buf (FILE *f_arg) : std::streambuf (), f (f_arg) { } |
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41 |
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42 ~c_file_ptr_buf (void); |
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43 |
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44 int overflow (int); |
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45 |
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46 int underflow (void); |
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47 |
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48 int uflow (void); |
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49 |
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50 int pbackfail (int); |
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51 |
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52 std::streamsize xsputn (const char*, std::streamsize); |
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53 |
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54 std::streamsize xsgetn (char *, std::streamsize); |
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55 |
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56 std::streampos seekoff (std::streamoff, std::ios::seekdir, |
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57 std::ios::openmode = std::ios::in | std::ios::out); |
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58 |
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59 std::streampos seekpos (std::streampos, |
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60 std::ios::openmode = std::ios::in | std::ios::out); |
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61 |
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62 int sync (void); |
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63 |
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64 protected: |
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65 |
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66 FILE *f; |
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67 }; |
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68 |
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69 class |
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70 i_c_file_ptr_stream : public std::istream |
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71 { |
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72 public: |
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73 |
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74 i_c_file_ptr_stream (FILE* f) |
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75 : std::istream (), buf (new c_file_ptr_buf (f)) { init (buf); } |
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76 |
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77 ~i_c_file_ptr_stream (void) { delete buf; buf = 0; } |
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78 |
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79 c_file_ptr_buf *rdbuf (void) { return buf; } |
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80 |
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81 private: |
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82 |
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83 c_file_ptr_buf *buf; |
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84 }; |
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85 |
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86 class |
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87 o_c_file_ptr_stream : public std::ostream |
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88 { |
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89 public: |
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90 |
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91 o_c_file_ptr_stream (FILE* f) |
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92 : std::ostream (), buf (new c_file_ptr_buf (f)) { init (buf); } |
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93 |
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94 ~o_c_file_ptr_stream (void) { delete buf; buf = 0; } |
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95 |
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96 c_file_ptr_buf *rdbuf (void) { return buf; } |
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97 |
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98 private: |
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99 |
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100 c_file_ptr_buf *buf; |
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101 }; |
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102 |
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103 #endif |
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104 |
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105 /* |
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106 ;;; Local Variables: *** |
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107 ;;; mode: C++ *** |
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108 ;;; End: *** |
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109 */ |
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110 |
