Mercurial > octave
annotate src/load-path.h @ 8920:eb63fbe60fab
update copyright notices
| author | John W. Eaton <jwe@octave.org> |
|---|---|
| date | Sat, 07 Mar 2009 10:41:27 -0500 |
| parents | 31ab3b83bc8a |
| children | d865363208d6 |
| rev | line source |
|---|---|
| 5832 | 1 /* |
| 2 | |
| 8920 | 3 Copyright (C) 2006, 2007, 2008, 2009 John W. Eaton |
| 5832 | 4 |
| 5 This file is part of Octave. | |
| 6 | |
| 7 Octave is free software; you can redistribute it and/or modify it | |
| 8 under the terms of the GNU General Public License as published by the | |
| 7016 | 9 Free Software Foundation; either version 3 of the License, or (at your |
| 10 option) any later version. | |
| 5832 | 11 |
| 12 Octave is distributed in the hope that it will be useful, but WITHOUT | |
| 13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 15 for more details. | |
| 16 | |
| 17 You should have received a copy of the GNU General Public License | |
| 7016 | 18 along with Octave; see the file COPYING. If not, see |
| 19 <http://www.gnu.org/licenses/>. | |
| 5832 | 20 |
| 21 */ | |
| 22 | |
| 23 #if !defined (octave_load_path_h) | |
| 24 #define octave_load_path_h 1 | |
| 25 | |
| 26 #include <iostream> | |
| 27 #include <list> | |
| 28 #include <map> | |
| 29 #include <string> | |
| 30 | |
| 5835 | 31 #include "pathsearch.h" |
| 5832 | 32 #include "str-vec.h" |
| 33 | |
| 34 class | |
| 6241 | 35 OCTINTERP_API |
| 5832 | 36 load_path |
| 37 { | |
| 38 protected: | |
| 39 | |
| 7336 | 40 load_path (void) : dir_info_list (), fcn_map (), method_map () { } |
| 5832 | 41 |
| 42 public: | |
| 43 | |
| 7336 | 44 typedef void (*hook_fcn_ptr) (const std::string& dir); |
| 5832 | 45 |
| 46 ~load_path (void) { } | |
| 47 | |
| 6365 | 48 static void initialize (bool set_initial_path = false) |
| 5832 | 49 { |
| 50 if (instance_ok ()) | |
| 6365 | 51 instance->do_initialize (set_initial_path); |
| 5832 | 52 } |
| 53 | |
| 54 static void clear (void) | |
| 55 { | |
| 56 if (instance_ok ()) | |
| 57 instance->do_clear (); | |
| 58 } | |
| 59 | |
| 5867 | 60 static void set (const std::string& p, bool warn = false) |
| 5832 | 61 { |
| 62 if (instance_ok ()) | |
| 5867 | 63 instance->do_set (p, warn); |
| 5832 | 64 } |
| 65 | |
| 5867 | 66 static void append (const std::string& dir, bool warn = false) |
| 5832 | 67 { |
| 68 if (instance_ok ()) | |
| 5867 | 69 instance->do_append (dir, warn); |
| 5832 | 70 } |
| 71 | |
| 5867 | 72 static void prepend (const std::string& dir, bool warn = false) |
| 5832 | 73 { |
| 74 if (instance_ok ()) | |
| 5867 | 75 instance->do_prepend (dir, warn); |
| 5832 | 76 } |
| 77 | |
| 78 static bool remove (const std::string& dir) | |
| 79 { | |
| 80 return instance_ok () ? instance->do_remove (dir) : false; | |
| 81 } | |
| 82 | |
| 83 static void update (void) | |
| 84 { | |
| 85 if (instance_ok ()) | |
| 86 instance->do_update (); | |
| 87 } | |
| 88 | |
| 7336 | 89 static std::string find_method (const std::string& class_name, |
| 90 const std::string& meth, | |
| 91 std::string& dir_name) | |
| 92 { | |
| 93 return instance_ok () | |
| 94 ? instance->do_find_method (class_name, meth, dir_name) : std::string (); | |
| 95 } | |
| 96 | |
| 97 static std::string find_method (const std::string& class_name, | |
| 98 const std::string& meth) | |
| 99 { | |
| 100 std::string dir_name; | |
| 101 return find_method (class_name, meth, dir_name); | |
| 102 } | |
| 103 | |
| 104 static std::list<std::string> methods (const std::string& class_name) | |
| 105 { | |
| 106 return instance_ok () | |
| 107 ? instance->do_methods (class_name) : std::list<std::string> (); | |
| 108 } | |
| 109 | |
| 110 static std::string find_fcn (const std::string& fcn, std::string& dir_name) | |
| 111 { | |
| 112 return instance_ok () | |
| 113 ? instance->do_find_fcn (fcn, dir_name) : std::string (); | |
| 114 } | |
| 115 | |
| 5832 | 116 static std::string find_fcn (const std::string& fcn) |
| 117 { | |
| 7336 | 118 std::string dir_name; |
| 119 return find_fcn (fcn, dir_name); | |
| 120 } | |
| 121 | |
| 122 static std::string find_private_fcn (const std::string& dir, | |
| 123 const std::string& fcn) | |
| 124 { | |
| 5832 | 125 return instance_ok () |
| 7336 | 126 ? instance->do_find_private_fcn (dir, fcn) : std::string (); |
| 5832 | 127 } |
| 128 | |
| 129 static std::string find_fcn_file (const std::string& fcn) | |
| 130 { | |
| 7336 | 131 std::string dir_name; |
| 132 | |
| 5832 | 133 return instance_ok () ? |
| 7336 | 134 instance->do_find_fcn (fcn, dir_name, M_FILE) : std::string (); |
| 5832 | 135 } |
| 136 | |
| 137 static std::string find_oct_file (const std::string& fcn) | |
| 138 { | |
| 7336 | 139 std::string dir_name; |
| 140 | |
| 5832 | 141 return instance_ok () ? |
| 7336 | 142 instance->do_find_fcn (fcn, dir_name, OCT_FILE) : std::string (); |
| 5832 | 143 } |
| 144 | |
| 5864 | 145 static std::string find_mex_file (const std::string& fcn) |
| 146 { | |
| 7336 | 147 std::string dir_name; |
| 148 | |
| 5864 | 149 return instance_ok () ? |
| 7336 | 150 instance->do_find_fcn (fcn, dir_name, MEX_FILE) : std::string (); |
| 5864 | 151 } |
| 152 | |
| 5832 | 153 static std::string find_file (const std::string& file) |
| 154 { | |
| 155 return instance_ok () | |
| 156 ? instance->do_find_file (file) : std::string (); | |
| 157 } | |
| 158 | |
|
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159 static std::string find_dir (const std::string& dir) |
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160 { |
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161 return instance_ok () |
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162 ? instance->do_find_dir (dir) : std::string (); |
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163 } |
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164 |
| 5832 | 165 static std::string find_first_of (const string_vector& files) |
| 166 { | |
| 167 return instance_ok () ? | |
| 168 instance->do_find_first_of (files) : std::string (); | |
| 169 } | |
| 170 | |
| 171 static string_vector find_all_first_of (const string_vector& files) | |
| 172 { | |
| 173 return instance_ok () ? | |
| 174 instance->do_find_all_first_of (files) : string_vector (); | |
| 175 } | |
| 176 | |
| 177 static string_vector dirs (void) | |
| 178 { | |
| 179 return instance_ok () ? instance->do_dirs () : string_vector (); | |
| 180 } | |
| 181 | |
| 182 static std::list<std::string> dir_list (void) | |
| 183 { | |
| 184 return instance_ok () | |
| 185 ? instance->do_dir_list () : std::list<std::string> (); | |
| 186 } | |
| 187 | |
| 188 static string_vector files (const std::string& dir) | |
| 189 { | |
| 190 return instance_ok () ? instance->do_files (dir) : string_vector (); | |
| 191 } | |
| 192 | |
| 193 static string_vector fcn_names (void) | |
| 194 { | |
| 195 return instance_ok () ? instance->do_fcn_names () : string_vector (); | |
| 196 } | |
| 197 | |
| 198 static std::string path (void) | |
| 199 { | |
| 200 return instance_ok () ? instance->do_path () : std::string (); | |
| 201 } | |
| 202 | |
| 203 static void display (std::ostream& os) | |
| 204 { | |
| 205 if (instance_ok ()) | |
| 206 instance->do_display (os); | |
| 207 } | |
| 208 | |
| 7336 | 209 static void set_add_hook (hook_fcn_ptr f) { add_hook = f; } |
| 5832 | 210 |
| 7336 | 211 static void set_remove_hook (hook_fcn_ptr f) { remove_hook = f; } |
| 5832 | 212 |
| 213 static void set_command_line_path (const std::string& p) | |
| 214 { | |
| 5835 | 215 if (command_line_path.empty ()) |
| 216 command_line_path = p; | |
| 217 else | |
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218 command_line_path += dir_path::path_sep_str () + p; |
| 5832 | 219 } |
| 220 | |
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221 static std::string get_command_line_path (void) |
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222 { |
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223 return instance_ok () ? instance->do_get_command_line_path () : std::string (); |
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224 } |
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225 |
| 6626 | 226 static std::string system_path (void) |
| 227 { | |
| 6630 | 228 return instance_ok () ? instance->do_system_path () : std::string (); |
| 6626 | 229 } |
| 230 | |
| 5832 | 231 private: |
| 232 | |
| 233 static const int M_FILE = 1; | |
| 234 static const int OCT_FILE = 2; | |
| 5864 | 235 static const int MEX_FILE = 4; |
| 5832 | 236 |
| 237 class dir_info | |
| 238 { | |
| 239 public: | |
| 240 | |
| 7336 | 241 // <FCN_NAME, TYPE> |
| 242 typedef std::map<std::string, int> fcn_file_map_type; | |
| 243 | |
| 244 typedef fcn_file_map_type::const_iterator const_fcn_file_map_iterator; | |
| 245 typedef fcn_file_map_type::iterator fcn_file_map_iterator; | |
| 246 | |
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247 struct class_info |
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248 { |
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249 fcn_file_map_type method_file_map; |
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250 fcn_file_map_type private_file_map; |
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251 }; |
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252 |
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253 // <CLASS_NAME, CLASS_INFO> |
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254 typedef std::map<std::string, class_info> method_file_map_type; |
| 7336 | 255 |
| 256 typedef method_file_map_type::const_iterator const_method_file_map_iterator; | |
| 257 typedef method_file_map_type::iterator method_file_map_iterator; | |
| 258 | |
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259 // This default constructor is only provided so we can create a |
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260 // std::map of dir_info objects. You should not use this |
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261 // constructor for any other purpose. |
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262 dir_info (void) { } |
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263 |
| 5832 | 264 dir_info (const std::string& d) : dir_name (d) { initialize (); } |
| 265 | |
| 266 dir_info (const dir_info& di) | |
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267 : dir_name (di.dir_name), abs_dir_name (di.abs_dir_name), |
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268 is_relative (di.is_relative), |
| 5832 | 269 dir_mtime (di.dir_mtime), all_files (di.all_files), |
| 270 fcn_files (di.fcn_files), | |
| 7336 | 271 private_file_map (di.private_file_map), |
| 272 method_file_map (di.method_file_map) { } | |
| 5832 | 273 |
| 274 ~dir_info (void) { } | |
| 275 | |
| 276 dir_info& operator = (const dir_info& di) | |
| 277 { | |
| 278 if (&di != this) | |
| 279 { | |
| 280 dir_name = di.dir_name; | |
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281 abs_dir_name = di.abs_dir_name; |
| 5832 | 282 is_relative = di.is_relative; |
| 283 dir_mtime = di.dir_mtime; | |
| 284 all_files = di.all_files; | |
| 285 fcn_files = di.fcn_files; | |
| 7336 | 286 private_file_map = di.private_file_map; |
| 287 method_file_map = di.method_file_map; | |
| 5832 | 288 } |
| 289 | |
| 290 return *this; | |
| 291 } | |
| 292 | |
| 293 void update (void); | |
| 294 | |
| 295 std::string dir_name; | |
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296 std::string abs_dir_name; |
| 5832 | 297 bool is_relative; |
| 298 octave_time dir_mtime; | |
| 299 string_vector all_files; | |
| 300 string_vector fcn_files; | |
| 7336 | 301 fcn_file_map_type private_file_map; |
| 302 method_file_map_type method_file_map; | |
| 5832 | 303 |
| 304 private: | |
| 305 | |
| 306 void initialize (void); | |
| 307 | |
| 7336 | 308 void get_file_list (const std::string& d); |
| 309 | |
| 310 void get_private_file_map (const std::string& d); | |
| 5832 | 311 |
| 7336 | 312 void get_method_file_map (const std::string& d, |
| 313 const std::string& class_name); | |
| 314 | |
| 315 friend fcn_file_map_type get_fcn_files (const std::string& d); | |
| 5832 | 316 }; |
| 317 | |
| 318 class file_info | |
| 319 { | |
| 320 public: | |
| 321 | |
| 322 file_info (const std::string& d, int t) : dir_name (d), types (t) { } | |
| 323 | |
| 324 file_info (const file_info& fi) | |
| 325 : dir_name (fi.dir_name), types (fi.types) { } | |
| 326 | |
| 327 ~file_info (void) { } | |
| 328 | |
| 329 file_info& operator = (const file_info& fi) | |
| 330 { | |
| 331 if (&fi != this) | |
| 332 { | |
| 333 dir_name = fi.dir_name; | |
| 334 types = fi.types; | |
| 335 } | |
| 336 | |
| 337 return *this; | |
| 338 } | |
| 339 | |
| 340 std::string dir_name; | |
| 341 int types; | |
| 342 }; | |
| 343 | |
| 344 // We maintain two ways of looking at the same information. | |
| 345 // | |
| 346 // First, a list of directories and the set of "public" files and | |
| 347 // private files (those found in the special "private" subdirectory) | |
| 348 // in each directory. | |
| 349 // | |
| 350 // Second, a map from file names (the union of all "public" files for all | |
| 7336 | 351 // directories, but without filename extensions) to a list of |
| 5832 | 352 // corresponding information (directory name and file types). This |
| 353 // way, we can quickly find shadowed file names and look up all | |
| 354 // overloaded functions (in the "@" directories used to implement | |
| 355 // classes). | |
| 356 | |
| 7336 | 357 typedef std::list<dir_info> dir_info_list_type; |
| 358 | |
| 359 typedef dir_info_list_type::const_iterator const_dir_info_list_iterator; | |
| 360 typedef dir_info_list_type::iterator dir_info_list_iterator; | |
| 361 | |
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362 typedef std::map<std::string, dir_info> abs_dir_cache_type; |
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363 |
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364 typedef abs_dir_cache_type::const_iterator const_abs_dir_cache_iterator; |
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365 typedef abs_dir_cache_type::iterator abs_dir_cache_iterator; |
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366 |
| 7336 | 367 typedef std::list<file_info> file_info_list_type; |
| 368 | |
| 369 typedef file_info_list_type::const_iterator const_file_info_list_iterator; | |
| 370 typedef file_info_list_type::iterator file_info_list_iterator; | |
| 371 | |
| 372 // <FCN_NAME, FILE_INFO_LIST> | |
| 373 typedef std::map<std::string, file_info_list_type> fcn_map_type; | |
| 374 | |
| 375 typedef fcn_map_type::const_iterator const_fcn_map_iterator; | |
| 376 typedef fcn_map_type::iterator fcn_map_iterator; | |
| 5832 | 377 |
| 7336 | 378 // <DIR_NAME, <FCN_NAME, TYPE>> |
| 379 typedef std::map<std::string, dir_info::fcn_file_map_type> private_fcn_map_type; | |
| 380 | |
| 381 typedef private_fcn_map_type::const_iterator const_private_fcn_map_iterator; | |
| 382 typedef private_fcn_map_type::iterator private_fcn_map_iterator; | |
| 383 | |
| 384 // <CLASS_NAME, <FCN_NAME, FILE_INFO_LIST>> | |
| 385 typedef std::map<std::string, fcn_map_type> method_map_type; | |
| 386 | |
| 387 typedef method_map_type::const_iterator const_method_map_iterator; | |
| 388 typedef method_map_type::iterator method_map_iterator; | |
| 389 | |
| 390 mutable dir_info_list_type dir_info_list; | |
| 391 | |
| 392 mutable fcn_map_type fcn_map; | |
| 393 | |
| 394 mutable private_fcn_map_type private_fcn_map; | |
| 395 | |
| 396 mutable method_map_type method_map; | |
| 5832 | 397 |
| 398 static load_path *instance; | |
| 399 | |
| 7336 | 400 static hook_fcn_ptr add_hook; |
| 5832 | 401 |
| 7336 | 402 static hook_fcn_ptr remove_hook; |
| 5832 | 403 |
| 404 static std::string command_line_path; | |
| 405 | |
| 6626 | 406 static std::string sys_path; |
| 407 | |
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408 static abs_dir_cache_type abs_dir_cache; |
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409 |
| 5832 | 410 static bool instance_ok (void); |
| 411 | |
| 412 const_dir_info_list_iterator find_dir_info (const std::string& dir) const; | |
| 413 dir_info_list_iterator find_dir_info (const std::string& dir); | |
| 414 | |
| 415 bool contains (const std::string& dir) const; | |
| 416 | |
| 7336 | 417 void move_fcn_map (const std::string& dir, |
| 418 const string_vector& fcn_files, bool at_end); | |
| 419 | |
| 420 void move_method_map (const std::string& dir, bool at_end); | |
| 421 | |
| 5832 | 422 void move (std::list<dir_info>::iterator i, bool at_end); |
| 423 | |
| 6365 | 424 void do_initialize (bool set_initial_path); |
| 5832 | 425 |
| 426 void do_clear (void); | |
| 427 | |
| 5867 | 428 void do_set (const std::string& p, bool warn); |
| 429 | |
| 430 void do_append (const std::string& dir, bool warn); | |
| 5832 | 431 |
| 5867 | 432 void do_prepend (const std::string& dir, bool warn); |
| 5832 | 433 |
| 5867 | 434 void do_add (const std::string& dir, bool at_end, bool warn); |
| 5832 | 435 |
| 7336 | 436 void remove_fcn_map (const std::string& dir, const string_vector& fcn_files); |
| 437 | |
| 438 void remove_private_fcn_map (const std::string& dir); | |
| 439 | |
| 440 void remove_method_map (const std::string& dir); | |
| 441 | |
| 5832 | 442 bool do_remove (const std::string& dir); |
| 443 | |
| 444 void do_update (void) const; | |
| 445 | |
| 7336 | 446 static bool |
| 447 check_file_type (std::string& fname, int type, int possible_types, | |
| 448 const std::string& fcn, const char *who); | |
| 449 | |
| 5832 | 450 std::string do_find_fcn (const std::string& fcn, |
| 7336 | 451 std::string& dir_name, |
| 5864 | 452 int type = M_FILE | OCT_FILE | MEX_FILE) const; |
| 5832 | 453 |
| 7336 | 454 std::string do_find_private_fcn (const std::string& dir, |
| 455 const std::string& fcn, | |
| 456 int type = M_FILE | OCT_FILE | MEX_FILE) const; | |
| 457 | |
| 458 std::string do_find_method (const std::string& class_name, | |
| 459 const std::string& meth, | |
| 460 std::string& dir_name, | |
| 461 int type = M_FILE | OCT_FILE | MEX_FILE) const; | |
| 462 | |
| 463 std::list<std::string> do_methods (const std::string& class_name) const; | |
| 464 | |
| 5832 | 465 std::string do_find_file (const std::string& file) const; |
| 466 | |
|
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467 std::string do_find_dir (const std::string& dir) const; |
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468 |
| 5832 | 469 std::string do_find_first_of (const string_vector& files) const; |
| 470 | |
| 471 string_vector do_find_all_first_of (const string_vector& files) const; | |
| 472 | |
| 473 string_vector do_dirs (void) const; | |
| 474 | |
| 475 std::list<std::string> do_dir_list (void) const; | |
| 476 | |
| 477 string_vector do_files (const std::string& dir) const; | |
| 478 | |
| 479 string_vector do_fcn_names (void) const; | |
| 480 | |
| 481 std::string do_path (void) const; | |
| 482 | |
| 7336 | 483 friend void print_types (std::ostream& os, int types); |
| 484 | |
| 485 friend string_vector get_file_list (const dir_info::fcn_file_map_type& lst); | |
| 486 | |
| 487 friend void | |
| 488 print_fcn_list (std::ostream& os, const dir_info::fcn_file_map_type& lst); | |
| 489 | |
| 5832 | 490 void do_display (std::ostream& os) const; |
| 491 | |
| 6629 | 492 std::string do_system_path (void) const { return sys_path; } |
| 6626 | 493 |
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494 std::string do_get_command_line_path (void) const { return command_line_path; } |
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495 |
| 5832 | 496 void add_to_fcn_map (const dir_info& di, bool at_end) const; |
| 7336 | 497 |
| 498 void add_to_private_fcn_map (const dir_info& di) const; | |
| 499 | |
| 500 void add_to_method_map (const dir_info& di, bool at_end) const; | |
| 501 | |
| 502 friend dir_info::fcn_file_map_type get_fcn_files (const std::string& d); | |
| 5832 | 503 }; |
| 504 | |
| 505 extern std::string | |
| 506 genpath (const std::string& dir, const string_vector& skip = "private"); | |
| 507 | |
| 508 extern void execute_pkg_add (const std::string& dir); | |
| 509 extern void execute_pkg_del (const std::string& dir); | |
| 510 | |
| 511 #endif | |
| 512 | |
| 513 /* | |
| 514 ;;; Local Variables: *** | |
| 515 ;;; mode: C++ *** | |
| 516 ;;; page-delimiter: "^/\\*" *** | |
| 517 ;;; End: *** | |
| 518 */ |