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1 /* |
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2 |
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3 Copyright (C) 1996, 1997 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 3 of the License, or (at your |
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10 option) any 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, see |
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19 <http://www.gnu.org/licenses/>. |
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20 |
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21 */ |
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22 |
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23 #if !defined (octave_pathsearch_h) |
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24 #define octave_pathsearch_h 1 |
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25 |
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26 #include <string> |
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27 |
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28 #include "str-vec.h" |
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29 |
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30 class |
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31 OCTAVE_API |
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32 dir_path |
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33 { |
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34 public: |
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35 |
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36 dir_path (const std::string& s = std::string (), |
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37 const std::string& d = std::string ()) |
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38 : p_orig (s), p_default (d), initialized (false) |
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39 { |
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40 if (! p_orig.empty ()) |
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41 init (); |
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42 } |
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43 |
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44 dir_path (const dir_path& dp) |
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45 : p_orig (dp.p_orig), p_default (dp.p_default), |
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46 initialized (dp.initialized), p (dp.p), pv (dp.pv) |
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47 { } |
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48 |
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49 dir_path& operator = (const dir_path& dp) |
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50 { |
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51 p_orig = dp.p_orig; |
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52 p_default = dp.p_default; |
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53 initialized = dp.initialized; |
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54 p = dp.p; |
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55 pv = dp.pv; |
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56 return *this; |
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57 } |
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58 |
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59 ~dir_path (void) { } |
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60 |
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61 void set (const std::string& s) |
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62 { |
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63 initialized = false; |
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64 p_orig = s; |
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65 init (); |
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66 } |
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67 |
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68 string_vector elements (void); |
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69 string_vector all_directories (void); |
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70 |
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71 std::string find_first (const std::string&); |
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72 std::string find (const std::string& nm) { return find_first (nm); } |
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73 |
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74 string_vector find_all (const std::string&); |
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75 |
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76 std::string find_first_of (const string_vector& names); |
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77 string_vector find_all_first_of (const string_vector& names); |
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78 |
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79 void rehash (void) |
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80 { |
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81 initialized = false; |
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82 init (); |
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83 } |
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84 |
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85 static bool is_path_sep (char c) { return c == path_sep_char; } |
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86 |
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87 static char path_sep_char; |
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88 static std::string path_sep_str; |
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89 |
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90 private: |
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91 |
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92 // The colon separated list that we were given. |
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93 std::string p_orig; |
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94 |
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95 // The default path. If specified, replaces leading, trailing, or |
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96 // doubled colons in p_orig. |
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97 std::string p_default; |
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98 |
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99 // TRUE means we've unpacked p. |
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100 bool initialized; |
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101 |
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102 // A version of the colon separate list on which we have performed |
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103 // tilde, variable, and possibly default path expansion. |
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104 std::string p; |
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105 |
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106 // The elements of the list. |
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107 string_vector pv; |
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108 |
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109 void init (void); |
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110 }; |
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111 |
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112 #endif |
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113 |
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114 /* |
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115 ;;; Local Variables: *** |
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116 ;;; mode: C++ *** |
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117 ;;; End: *** |
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118 */ |
