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annotate liboctave/util/lo-regexp.h @ 33636:3ec6fcce7715 default tip @

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gui: Avoid using HAVE_QSCINTILLA in more header files. * gui-settings.h, settings-dialog.h: Don't include QScintilla header. Forward-declare QSciLexer class instead if necessary. Declare all member functions unconditionally. * gui-settings.cc (gui_settings::get_valid_lexer_styles, gui_settings::read_lexer_settings), settings-dialog.cc (settings_dialog::update_lexer, settings_dialog::get_lexer_settings, settings_dialog::write_lexer_settings): Define functions unconditionally. * gui-preferences-ed.h: Don't include QScintilla header. Remove definition of local variable os_eol_mode from header. * gui-preferences-ed.cc (os_eol_mode): Move definition of local variable here.
author Markus Mützel <markus.muetzel@gmx.de>
date Tue, 28 May 2024 14:54:58 +0200
parents 0b5f3219b650
children
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27923
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1 ////////////////////////////////////////////////////////////////////////
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2 //
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3 // Copyright (C) 2005-2024 The Octave Project Developers
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4 //
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5 // See the file COPYRIGHT.md in the top-level directory of this
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6 // distribution or <https://octave.org/copyright/>.
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7 //
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8 // This file is part of Octave.
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9 //
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10 // Octave is free software: you can redistribute it and/or modify it
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11 // under the terms of the GNU General Public License as published by
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12 // the Free Software Foundation, either version 3 of the License, or
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13 // (at your option) any later version.
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14 //
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15 // Octave is distributed in the hope that it will be useful, but
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16 // WITHOUT ANY WARRANTY; without even the implied warranty of
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17 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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18 // GNU General Public License for more details.
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19 //
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20 // You should have received a copy of the GNU General Public License
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21 // along with Octave; see the file COPYING. If not, see
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22 // <https://www.gnu.org/licenses/>.
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23 //
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24 ////////////////////////////////////////////////////////////////////////
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25
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26 #if ! defined (octave_lo_regexp_h)
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27 #define octave_lo_regexp_h 1
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28
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29 #include "octave-config.h"
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30
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31 #include <list>
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32 #include <sstream>
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33 #include <string>
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34
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35 #include "Array.h"
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36 #include "Matrix.h"
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37 #include "str-vec.h"
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38
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39 OCTAVE_BEGIN_NAMESPACE(octave)
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40
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41 class OCTAVE_API regexp
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42 {
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43 public:
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44
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45 class opts;
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46 class match_data;
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47
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48 regexp (const std::string& pat = "",
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49 const regexp::opts& opt = regexp::opts (),
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50 const std::string& w = "regexp")
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51 : m_pattern (pat), m_options (opt), m_code (nullptr), m_named_pats (),
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52 m_names (0), m_named_idx (), m_who (w)
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53 {
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54 compile_internal ();
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55 }
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56
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57 regexp (const regexp&) = default;
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58
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59 regexp& operator = (const regexp& rx) = default;
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60
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61 ~regexp () { free (); }
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62
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63 void compile (const std::string& pat,
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64 const regexp::opts& opt = regexp::opts ())
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65 {
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66 m_pattern = pat;
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67 m_options = opt;
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68 compile_internal ();
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69 }
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70
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71 match_data match (const std::string& buffer) const;
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72
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73 bool is_match (const std::string& buffer) const;
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74
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75 Array<bool> is_match (const string_vector& buffer) const;
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76
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77 std::string replace (const std::string& buffer,
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78 const std::string& replacement) const;
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79
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80 static match_data
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81 match (const std::string& pat, const std::string& buffer,
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82 const regexp::opts& opt = regexp::opts (),
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83 const std::string& who = "regexp")
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84 {
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85 regexp rx (pat, opt, who);
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86
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87 return rx.match (buffer);
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88 }
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89
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90 static bool
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91 is_match (const std::string& pat, const std::string& buffer,
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92 const regexp::opts& opt = regexp::opts (),
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93 const std::string& who = "regexp")
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94 {
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95 regexp rx (pat, opt, who);
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96
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97 return rx.is_match (buffer);
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98 }
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99
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100 static Array<bool>
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101 is_match (const std::string& pat, const string_vector& buffer,
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102 const regexp::opts& opt = regexp::opts (),
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103 const std::string& who = "regexp")
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104 {
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105 regexp rx (pat, opt, who);
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106
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107 return rx.is_match (buffer);
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108 }
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109
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110 static std::string
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111 replace (const std::string& pat, const std::string& buffer,
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112 const std::string& replacement,
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113 const regexp::opts& opt = regexp::opts (),
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114 const std::string& who = "regexp")
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115 {
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116 regexp rx (pat, opt, who);
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117
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118 return rx.replace (buffer, replacement);
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119 }
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120
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121 class opts
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122 {
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123 public:
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124
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125 opts ()
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126 : m_case_insensitive (false), m_dotexceptnewline (false),
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127 m_emptymatch (false), m_freespacing (false), m_lineanchors (false),
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128 m_once (false) { }
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129
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130 opts (const opts&) = default;
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131
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132 opts& operator = (const opts&) = default;
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133
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134 ~opts () = default;
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135
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136 void case_insensitive (bool val) { m_case_insensitive = val; }
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137 void dotexceptnewline (bool val) { m_dotexceptnewline = val; }
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138 void emptymatch (bool val) { m_emptymatch = val; }
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139 void freespacing (bool val) { m_freespacing = val; }
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140 void lineanchors (bool val) { m_lineanchors = val; }
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141 void once (bool val) { m_once = val; }
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142
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143 bool case_insensitive () const { return m_case_insensitive; }
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144 bool dotexceptnewline () const { return m_dotexceptnewline; }
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145 bool emptymatch () const { return m_emptymatch; }
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146 bool freespacing () const { return m_freespacing; }
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147 bool lineanchors () const { return m_lineanchors; }
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148 bool once () const { return m_once; }
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149
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150 private:
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151
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152 bool m_case_insensitive;
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153 bool m_dotexceptnewline;
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154 bool m_emptymatch;
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155 bool m_freespacing;
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156 bool m_lineanchors;
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157 bool m_once;
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158 };
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159
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160 class match_element
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161 {
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162 public:
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163
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164 match_element () = delete;
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165
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166 match_element (const string_vector& nt, const string_vector& t,
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167 const std::string& ms, const Matrix& te,
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168 double s, double e)
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169 : m_match_string (ms), m_named_tokens (nt), m_tokens (t),
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170 m_token_extents (te), m_start (s), m_end (e)
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171 { }
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172
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173 OCTAVE_DEFAULT_COPY_MOVE_DELETE (match_element)
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174
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175 std::string match_string () const { return m_match_string; }
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176 string_vector named_tokens () const { return m_named_tokens; }
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177 string_vector tokens () const { return m_tokens; }
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178 Matrix token_extents () const { return m_token_extents; }
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179 double start () const { return m_start; }
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180 double end () const { return m_end; }
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181
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182 private:
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183
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184 std::string m_match_string;
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185 string_vector m_named_tokens;
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186 string_vector m_tokens;
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187 Matrix m_token_extents;
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188
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189 // FIXME: Are these values declared as double because that's what
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190 // Octave interpreter functions will store? Should they be int or
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191 // size_t instead?
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192 double m_start;
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193 double m_end;
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194 };
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195
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196 class match_data : public std::list<match_element>
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197 {
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198 public:
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199
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200 match_data ()
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201 : std::list<match_element> (), m_named_pats ()
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202 { }
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203
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204 match_data (const std::list<match_element>& l, const string_vector& np)
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205 : std::list<match_element> (l), m_named_pats (np)
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206 { }
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207
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208 OCTAVE_DEFAULT_COPY_MOVE_DELETE (match_data)
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209
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210 string_vector named_patterns () const { return m_named_pats; }
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211
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212 private:
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213
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214 string_vector m_named_pats;
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215 };
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216
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217 private:
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218
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219 // The pattern we've been asked to match.
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220 std::string m_pattern;
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221
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222 opts m_options;
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223
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224 // Internal data describing the regular expression.
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225 void *m_code;
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226
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227 string_vector m_named_pats;
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228 int m_names;
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229 Array<int> m_named_idx;
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230 std::string m_who;
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231
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232 void free ();
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233
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234 void compile_internal ();
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235 };
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236
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237 OCTAVE_END_NAMESPACE(octave)
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238
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239 #endif