This file is indexed.

/usr/include/octave-3.8.1/octave/cmd-edit.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
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
/*

Copyright (C) 1996-2013 John W. Eaton

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_cmd_edit_h)
#define octave_cmd_edit_h 1

#include <cstdio>

#include <set>
#include <string>

#include "str-vec.h"

class
OCTAVE_API
command_editor
{
protected:

  command_editor (void)
    : command_number (0), interrupted (false), initial_input () { }

public:

  typedef int (*startup_hook_fcn) (void);

  typedef int (*pre_input_hook_fcn) (void);

  typedef int (*event_hook_fcn) (void);

  typedef std::string (*completion_fcn) (const std::string&, int);

  typedef std::string (*quoting_fcn) (const std::string&, int, char);

  typedef std::string (*dequoting_fcn) (const std::string&, int);

  typedef int (*char_is_quoted_fcn) (const std::string&, int);

  typedef void (*user_accept_line_fcn) (const std::string&);

  virtual ~command_editor (void) { }

  static void set_name (const std::string& n);

  static std::string readline (const std::string& prompt);

  static std::string readline (const std::string& prompt, bool& eof);

  static void set_input_stream (FILE *f);

  static FILE *get_input_stream (void);

  static void set_output_stream (FILE *f);

  static FILE *get_output_stream (void);

  static void redisplay (void);

  static int terminal_rows (void);

  static int terminal_cols (void);

  static void clear_screen (bool skip_redisplay = false);

  static void resize_terminal (void);

  static std::string decode_prompt_string (const std::string& s);

  static void restore_terminal_state (void);

  static void blink_matching_paren (bool flag);

  static void set_basic_word_break_characters (const std::string& s);

  static void set_completer_word_break_characters (const std::string& s);

  static void set_basic_quote_characters (const std::string& s);

  static void set_filename_quote_characters (const std::string& s);

  static void set_completer_quote_characters (const std::string& s);

  static void set_completion_append_character (char c);

  static void set_completion_function (completion_fcn f);

  static void set_quoting_function (quoting_fcn f);

  static void set_dequoting_function (dequoting_fcn f);

  static void set_char_is_quoted_function (char_is_quoted_fcn f);

  static void set_user_accept_line_function (user_accept_line_fcn f);

  static completion_fcn get_completion_function (void);

  static quoting_fcn get_quoting_function (void);

  static dequoting_fcn get_dequoting_function (void);

  static char_is_quoted_fcn get_char_is_quoted_function (void);

  static user_accept_line_fcn get_user_accept_line_function (void);

  static string_vector generate_filename_completions (const std::string& text);

  static std::string get_line_buffer (void);

  static std::string get_current_line (void);

  static void replace_line (const std::string& text, bool clear_undo = true);

  static void insert_text (const std::string& text);

  static void newline (void);

  static void accept_line (void);

  static bool undo (void);

  static void clear_undo_list (void);

  static void add_startup_hook (startup_hook_fcn f);

  static void remove_startup_hook (startup_hook_fcn f);

  static void add_pre_input_hook (pre_input_hook_fcn f);

  static void remove_pre_input_hook (pre_input_hook_fcn f);

  static void add_event_hook (event_hook_fcn f);

  static void remove_event_hook (event_hook_fcn f);

  static void run_event_hooks (void);

  static void read_init_file (const std::string& file = std::string ());

  static void re_read_init_file (void);

  static bool filename_completion_desired (bool);

  static bool filename_quoting_desired (bool);

  static bool interrupt (bool = true);

  static int current_command_number (void);

  static void reset_current_command_number (int n);

  static void increment_current_command_number (void);

  static void force_default_editor (void);

  static void set_initial_input (const std::string& text);

  static int insert_initial_input (void);

private:

  // No copying!

  command_editor (const command_editor&);

  command_editor& operator = (const command_editor&);

  static bool instance_ok (void);

  static void make_command_editor (void);

  static int startup_handler (void);

  static int pre_input_handler (void);

  static int event_handler (void);

  static std::set<startup_hook_fcn> startup_hook_set;

  static std::set<pre_input_hook_fcn> pre_input_hook_set;

  static std::set<event_hook_fcn> event_hook_set;

  typedef std::set<startup_hook_fcn>::iterator startup_hook_set_iterator;
  typedef std::set<startup_hook_fcn>::const_iterator startup_hook_set_const_iterator;

  typedef std::set<pre_input_hook_fcn>::iterator pre_input_hook_set_iterator;
  typedef std::set<pre_input_hook_fcn>::const_iterator pre_input_hook_set_const_iterator;

  typedef std::set<event_hook_fcn>::iterator event_hook_set_iterator;
  typedef std::set<event_hook_fcn>::const_iterator event_hook_set_const_iterator;

  // The real thing.
  static command_editor *instance;

  static void cleanup_instance (void) { delete instance; instance = 0; }

protected:

  // To use something other than the GNU readline library, derive a new
  // class from command_editor, overload these functions as
  // necessary, and make instance point to the new class.

  virtual void do_set_name (const std::string&) { }

  std::string do_readline (const std::string& prompt)
  {
    bool eof;

    return do_readline (prompt, eof);
  }

  virtual std::string do_readline (const std::string&, bool&) = 0;

  virtual void do_set_input_stream (FILE *) = 0;

  virtual FILE *do_get_input_stream (void) = 0;

  virtual void do_set_output_stream (FILE *) = 0;

  virtual FILE *do_get_output_stream (void) = 0;

  virtual void do_redisplay (void) { }

  virtual int do_terminal_rows (void) { return 24; }

  virtual int do_terminal_cols (void) { return 80; }

  virtual void do_clear_screen (bool) { }

  virtual void do_resize_terminal (void) { }

  virtual std::string do_decode_prompt_string (const std::string&);

  virtual std::string newline_chars (void) { return "\n"; }

  virtual void do_restore_terminal_state (void) { }

  virtual void do_blink_matching_paren (bool) { }

  virtual void do_set_basic_word_break_characters (const std::string&) { }

  virtual void do_set_completer_word_break_characters (const std::string&) { }

  virtual void do_set_basic_quote_characters (const std::string&) { }

  virtual void do_set_filename_quote_characters (const std::string&) { }

  virtual void do_set_completer_quote_characters (const std::string&) { }

  virtual void do_set_completion_append_character (char) { }

  virtual void do_set_completion_function (completion_fcn) { }

  virtual void do_set_quoting_function (quoting_fcn) { }

  virtual void do_set_dequoting_function (dequoting_fcn) { }

  virtual void do_set_char_is_quoted_function (char_is_quoted_fcn) { }

  virtual void do_set_user_accept_line_function (user_accept_line_fcn) { }

  virtual completion_fcn do_get_completion_function (void) const { return 0; }

  virtual quoting_fcn do_get_quoting_function (void) const { return 0; }

  virtual dequoting_fcn do_get_dequoting_function (void) const { return 0; }

  virtual char_is_quoted_fcn do_get_char_is_quoted_function (void) const
  { return 0; }

  virtual user_accept_line_fcn do_get_user_accept_line_function (void) const
  { return 0; }

  virtual string_vector
  do_generate_filename_completions (const std::string& text) = 0;

  virtual std::string do_get_line_buffer (void) const = 0;

  virtual std::string do_get_current_line (void) const = 0;

  virtual void do_replace_line (const std::string& text, bool clear_undo) = 0;

  virtual void do_insert_text (const std::string& text) = 0;

  virtual void do_newline (void) = 0;

  virtual void do_accept_line (void) = 0;

  virtual bool do_undo (void) { return false; }

  virtual void do_clear_undo_list (void) { }

  virtual void set_startup_hook (startup_hook_fcn) { }

  virtual void restore_startup_hook (void) { }

  virtual void set_pre_input_hook (pre_input_hook_fcn) { }

  virtual void restore_pre_input_hook (void) { }

  virtual void set_event_hook (event_hook_fcn) { }

  virtual void restore_event_hook (void) { }

  virtual void do_read_init_file (const std::string&) { }

  virtual void do_re_read_init_file (void) { }

  virtual bool do_filename_completion_desired (bool) { return false; }

  virtual bool do_filename_quoting_desired (bool) { return false; }

  virtual void do_interrupt (bool) { }

  int do_insert_initial_input (void);

  int read_octal (const std::string& s);

  void error (int);

  void error (const std::string&);

  // The current command number.
  int command_number;

  bool interrupted;

  std::string initial_input;
};

#endif