This file is indexed.

/usr/include/octave-3.8.1/octave/lo-regexp.h is in liboctave-dev 3.8.1-1ubuntu1.

This file is owned by root:root, with mode 0o644.

The actual contents of the file can be viewed below.

  1
  2
  3
  4
  5
  6
  7
  8
  9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
/*

Copyright (C) 2012 John W. Eaton
Copyright (C) 2005-2013 David Bateman

This file is part of Octave.

Octave is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by the
Free Software Foundation; either version 3 of the License, or (at your
option) any later version.

Octave is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
for more details.

You should have received a copy of the GNU General Public License
along with Octave; see the file COPYING.  If not, see
<http://www.gnu.org/licenses/>.

*/

#if !defined (octave_lo_regexp_h)
#define octave_lo_regexp_h 1

#include <list>
#include <sstream>
#include <string>

#include "Array.h"
#include "Matrix.h"
#include "base-list.h"
#include "str-vec.h"

class
OCTAVE_API
regexp
{
public:

  class opts;
  class match_data;

  regexp (const std::string& pat = "",
          const regexp::opts& opt = regexp::opts (),
          const std::string& w = "regexp")
    : pattern (pat), options (opt), data (0), named_pats (),
      nnames (0), named_idx (), who (w)
  {
    compile_internal ();
  }

  regexp (const regexp& rx)
    : pattern (rx.pattern), data (rx.data), named_pats (rx.named_pats),
      nnames (rx.nnames), named_idx (rx.named_idx)
  { }

  regexp& operator = (const regexp& rx)
  {
    if (this != &rx)
      {
        pattern = rx.pattern;
        data = rx.data;
        named_pats = rx.named_pats;
        nnames = rx.nnames;
        named_idx = rx.named_idx;
      }

    return *this;
  }

  ~regexp (void) { free (); }

  void compile (const std::string& pat,
                const regexp::opts& opt = regexp::opts ())
  {
    pattern = pat;
    options = opt;
    compile_internal ();
  }

  match_data match (const std::string& buffer);

  bool is_match (const std::string& buffer);

  Array<bool> is_match (const string_vector& buffer);

  std::string replace (const std::string& buffer,
                       const std::string& replacement);

  class opts
  {
  public:

    opts (void)
      : x_case_insensitive (false), x_dotexceptnewline (false),
        x_emptymatch (false), x_freespacing (false), x_lineanchors (false),
        x_once (false) { }

    opts (const opts& o)
      : x_case_insensitive (o.x_case_insensitive),
        x_dotexceptnewline (o.x_dotexceptnewline),
        x_emptymatch (o.x_emptymatch),
        x_freespacing (o.x_freespacing),
        x_lineanchors (o.x_lineanchors),
        x_once (o.x_once)
    { }

    opts& operator = (const opts& o)
    {
      if (this != &o)
        {
          x_case_insensitive = o.x_case_insensitive;
          x_dotexceptnewline = o.x_dotexceptnewline;
          x_emptymatch = o.x_emptymatch;
          x_freespacing = o.x_freespacing;
          x_lineanchors = o.x_lineanchors;
          x_once = o.x_once;
        }

      return *this;
    }

    ~opts (void) { }

    void case_insensitive (bool val) { x_case_insensitive = val; }
    void dotexceptnewline (bool val) { x_dotexceptnewline = val; }
    void emptymatch (bool val) { x_emptymatch = val; }
    void freespacing (bool val) { x_freespacing = val; }
    void lineanchors (bool val) { x_lineanchors = val; }
    void once (bool val) { x_once = val; }

    bool case_insensitive (void) const { return x_case_insensitive; }
    bool dotexceptnewline (void) const { return x_dotexceptnewline; }
    bool emptymatch (void) const { return x_emptymatch; }
    bool freespacing (void) const { return x_freespacing; }
    bool lineanchors (void) const { return x_lineanchors; }
    bool once (void) const { return x_once; }

  private:

    bool x_case_insensitive;
    bool x_dotexceptnewline;
    bool x_emptymatch;
    bool x_freespacing;
    bool x_lineanchors;
    bool x_once;
  };

  class match_element
  {
  public:

    match_element (const string_vector& nt, const string_vector& t,
                   const std::string& ms, const Matrix& te,
                   double s, double e)
      : x_match_string (ms), x_named_tokens (nt), x_tokens (t),
        x_token_extents (te), x_start (s), x_end (e)
    { }

    match_element (const match_element &a)
      : x_match_string (a.x_match_string),
        x_named_tokens (a.x_named_tokens), x_tokens (a.x_tokens),
        x_token_extents (a.x_token_extents),
        x_start (a.x_start), x_end (a.x_end)
    { }

    std::string match_string (void) const { return x_match_string; }
    string_vector named_tokens (void) const { return x_named_tokens; }
    string_vector tokens (void) const { return x_tokens; }
    Matrix token_extents (void) const { return x_token_extents; }
    double start (void) const { return x_start; }
    double end (void) const { return x_end; }

  private:

    std::string x_match_string;
    string_vector x_named_tokens;
    string_vector x_tokens;
    Matrix x_token_extents;
    double x_start;
    double x_end;
  };

  class match_data : public octave_base_list<match_element>
  {
  public:

    match_data (void)
      : octave_base_list<match_element> (), named_pats ()
    { }

    match_data (const std::list<match_element>& l, const string_vector& np)
      : octave_base_list<match_element> (l), named_pats (np)
    { }

    match_data (const match_data& rx_lst)
      : octave_base_list<match_element> (rx_lst),
        named_pats (rx_lst.named_pats)
    { }

    match_data& operator = (const match_data& rx_lst)
    {
      if (this != &rx_lst)
        {
          octave_base_list<match_element>::operator = (rx_lst);
          named_pats = rx_lst.named_pats;
        }

      return *this;
    }

    ~match_data (void) { }

    string_vector named_patterns (void) { return named_pats; }

  private:

    string_vector named_pats;
  };

private:

  // The pattern we've been asked to match.
  std::string pattern;

  opts options;

  // Internal data describing the regular expression.
  void *data;

  std::string m;
  string_vector named_pats;
  int nnames;
  Array<int> named_idx;
  std::string who;

  void free (void);

  void compile_internal (void);
};

inline regexp::match_data
regexp_match (const std::string& pat,
              const std::string& buffer,
              const regexp::opts& opt = regexp::opts (),
              const std::string& who = "regexp")
{
  regexp rx (pat, opt, who);

  return rx.match (buffer);
}

inline bool
is_regexp_match (const std::string& pat,
                 const std::string& buffer,
                 const regexp::opts& opt = regexp::opts (),
                 const std::string& who = "regexp")
{
  regexp rx (pat, opt, who);

  return rx.is_match (buffer);
}

inline Array<bool>
is_regexp_match (const std::string& pat,
                 const string_vector& buffer,
                 const regexp::opts& opt = regexp::opts (),
                 const std::string& who = "regexp")
{
  regexp rx (pat, opt, who);

  return rx.is_match (buffer);
}

inline std::string
regexp_replace (const std::string& pat,
                const std::string& buffer,
                const std::string& replacement,
                const regexp::opts& opt = regexp::opts (),
                const std::string& who = "regexp")
{
  regexp rx (pat, opt, who);

  return rx.replace (buffer, replacement);
}

#endif