Mercurial > octave-nkf
annotate src/load-path.h @ 9581:3d0d2bda3a0f
fix previous change, avoid duplicate loads of methods in descendant classes
| author | Jaroslav Hajek <highegg@gmail.com> |
|---|---|
| date | Thu, 27 Aug 2009 16:08:23 +0200 |
| parents | 0c7d84a65386 |
| children | d6b2b708b6b0 |
| 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 | |
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26 #include <iosfwd> |
| 5832 | 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 | |
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40 load_path (void) |
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41 : dir_info_list (), fcn_map (), method_map () { } |
| 5832 | 42 |
| 43 public: | |
| 44 | |
| 7336 | 45 typedef void (*hook_fcn_ptr) (const std::string& dir); |
| 5832 | 46 |
| 47 ~load_path (void) { } | |
| 48 | |
| 6365 | 49 static void initialize (bool set_initial_path = false) |
| 5832 | 50 { |
| 51 if (instance_ok ()) | |
| 6365 | 52 instance->do_initialize (set_initial_path); |
| 5832 | 53 } |
| 54 | |
| 55 static void clear (void) | |
| 56 { | |
| 57 if (instance_ok ()) | |
| 58 instance->do_clear (); | |
| 59 } | |
| 60 | |
| 5867 | 61 static void set (const std::string& p, bool warn = false) |
| 5832 | 62 { |
| 63 if (instance_ok ()) | |
| 5867 | 64 instance->do_set (p, warn); |
| 5832 | 65 } |
| 66 | |
| 5867 | 67 static void append (const std::string& dir, bool warn = false) |
| 5832 | 68 { |
| 69 if (instance_ok ()) | |
| 5867 | 70 instance->do_append (dir, warn); |
| 5832 | 71 } |
| 72 | |
| 5867 | 73 static void prepend (const std::string& dir, bool warn = false) |
| 5832 | 74 { |
| 75 if (instance_ok ()) | |
| 5867 | 76 instance->do_prepend (dir, warn); |
| 5832 | 77 } |
| 78 | |
| 79 static bool remove (const std::string& dir) | |
| 80 { | |
| 81 return instance_ok () ? instance->do_remove (dir) : false; | |
| 82 } | |
| 83 | |
| 84 static void update (void) | |
| 85 { | |
| 86 if (instance_ok ()) | |
| 87 instance->do_update (); | |
| 88 } | |
| 89 | |
| 7336 | 90 static std::string find_method (const std::string& class_name, |
| 91 const std::string& meth, | |
| 92 std::string& dir_name) | |
| 93 { | |
| 94 return instance_ok () | |
| 95 ? instance->do_find_method (class_name, meth, dir_name) : std::string (); | |
| 96 } | |
| 97 | |
| 98 static std::string find_method (const std::string& class_name, | |
| 99 const std::string& meth) | |
| 100 { | |
| 101 std::string dir_name; | |
| 102 return find_method (class_name, meth, dir_name); | |
| 103 } | |
| 104 | |
| 105 static std::list<std::string> methods (const std::string& class_name) | |
| 106 { | |
| 107 return instance_ok () | |
| 108 ? instance->do_methods (class_name) : std::list<std::string> (); | |
| 109 } | |
| 110 | |
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111 static bool any_class_method (const std::string& meth) |
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112 { |
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113 return instance_ok () |
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114 ? instance->do_any_class_method (meth) : false; |
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115 } |
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116 |
| 7336 | 117 static std::string find_fcn (const std::string& fcn, std::string& dir_name) |
| 118 { | |
| 119 return instance_ok () | |
| 120 ? instance->do_find_fcn (fcn, dir_name) : std::string (); | |
| 121 } | |
| 122 | |
| 5832 | 123 static std::string find_fcn (const std::string& fcn) |
| 124 { | |
| 7336 | 125 std::string dir_name; |
| 126 return find_fcn (fcn, dir_name); | |
| 127 } | |
| 128 | |
| 129 static std::string find_private_fcn (const std::string& dir, | |
| 130 const std::string& fcn) | |
| 131 { | |
| 5832 | 132 return instance_ok () |
| 7336 | 133 ? instance->do_find_private_fcn (dir, fcn) : std::string (); |
| 5832 | 134 } |
| 135 | |
| 136 static std::string find_fcn_file (const std::string& fcn) | |
| 137 { | |
| 7336 | 138 std::string dir_name; |
| 139 | |
| 5832 | 140 return instance_ok () ? |
| 7336 | 141 instance->do_find_fcn (fcn, dir_name, M_FILE) : std::string (); |
| 5832 | 142 } |
| 143 | |
| 144 static std::string find_oct_file (const std::string& fcn) | |
| 145 { | |
| 7336 | 146 std::string dir_name; |
| 147 | |
| 5832 | 148 return instance_ok () ? |
| 7336 | 149 instance->do_find_fcn (fcn, dir_name, OCT_FILE) : std::string (); |
| 5832 | 150 } |
| 151 | |
| 5864 | 152 static std::string find_mex_file (const std::string& fcn) |
| 153 { | |
| 7336 | 154 std::string dir_name; |
| 155 | |
| 5864 | 156 return instance_ok () ? |
| 7336 | 157 instance->do_find_fcn (fcn, dir_name, MEX_FILE) : std::string (); |
| 5864 | 158 } |
| 159 | |
| 5832 | 160 static std::string find_file (const std::string& file) |
| 161 { | |
| 162 return instance_ok () | |
| 163 ? instance->do_find_file (file) : std::string (); | |
| 164 } | |
| 165 | |
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166 static std::string find_dir (const std::string& dir) |
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167 { |
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168 return instance_ok () |
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169 ? instance->do_find_dir (dir) : std::string (); |
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170 } |
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171 |
| 5832 | 172 static std::string find_first_of (const string_vector& files) |
| 173 { | |
| 174 return instance_ok () ? | |
| 175 instance->do_find_first_of (files) : std::string (); | |
| 176 } | |
| 177 | |
| 178 static string_vector find_all_first_of (const string_vector& files) | |
| 179 { | |
| 180 return instance_ok () ? | |
| 181 instance->do_find_all_first_of (files) : string_vector (); | |
| 182 } | |
| 183 | |
| 184 static string_vector dirs (void) | |
| 185 { | |
| 186 return instance_ok () ? instance->do_dirs () : string_vector (); | |
| 187 } | |
| 188 | |
| 189 static std::list<std::string> dir_list (void) | |
| 190 { | |
| 191 return instance_ok () | |
| 192 ? instance->do_dir_list () : std::list<std::string> (); | |
| 193 } | |
| 194 | |
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195 static string_vector files (const std::string& dir, bool omit_exts = false) |
| 5832 | 196 { |
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197 return instance_ok () |
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198 ? instance->do_files (dir, omit_exts) : string_vector (); |
| 5832 | 199 } |
| 200 | |
| 201 static string_vector fcn_names (void) | |
| 202 { | |
| 203 return instance_ok () ? instance->do_fcn_names () : string_vector (); | |
| 204 } | |
| 205 | |
| 206 static std::string path (void) | |
| 207 { | |
| 208 return instance_ok () ? instance->do_path () : std::string (); | |
| 209 } | |
| 210 | |
| 211 static void display (std::ostream& os) | |
| 212 { | |
| 213 if (instance_ok ()) | |
| 214 instance->do_display (os); | |
| 215 } | |
| 216 | |
| 7336 | 217 static void set_add_hook (hook_fcn_ptr f) { add_hook = f; } |
| 5832 | 218 |
| 7336 | 219 static void set_remove_hook (hook_fcn_ptr f) { remove_hook = f; } |
| 5832 | 220 |
| 221 static void set_command_line_path (const std::string& p) | |
| 222 { | |
| 5835 | 223 if (command_line_path.empty ()) |
| 224 command_line_path = p; | |
| 225 else | |
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226 command_line_path += dir_path::path_sep_str () + p; |
| 5832 | 227 } |
| 228 | |
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229 static std::string get_command_line_path (void) |
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230 { |
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231 return instance_ok () ? instance->do_get_command_line_path () : std::string (); |
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232 } |
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233 |
| 6626 | 234 static std::string system_path (void) |
| 235 { | |
| 6630 | 236 return instance_ok () ? instance->do_system_path () : std::string (); |
| 6626 | 237 } |
| 238 | |
| 5832 | 239 private: |
| 240 | |
| 241 static const int M_FILE = 1; | |
| 242 static const int OCT_FILE = 2; | |
| 5864 | 243 static const int MEX_FILE = 4; |
| 5832 | 244 |
| 245 class dir_info | |
| 246 { | |
| 247 public: | |
| 248 | |
| 7336 | 249 // <FCN_NAME, TYPE> |
| 250 typedef std::map<std::string, int> fcn_file_map_type; | |
| 251 | |
| 252 typedef fcn_file_map_type::const_iterator const_fcn_file_map_iterator; | |
| 253 typedef fcn_file_map_type::iterator fcn_file_map_iterator; | |
| 254 | |
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255 struct class_info |
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256 { |
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257 fcn_file_map_type method_file_map; |
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258 fcn_file_map_type private_file_map; |
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259 }; |
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260 |
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261 // <CLASS_NAME, CLASS_INFO> |
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262 typedef std::map<std::string, class_info> method_file_map_type; |
| 7336 | 263 |
| 264 typedef method_file_map_type::const_iterator const_method_file_map_iterator; | |
| 265 typedef method_file_map_type::iterator method_file_map_iterator; | |
| 266 | |
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267 // This default constructor is only provided so we can create a |
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268 // std::map of dir_info objects. You should not use this |
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269 // constructor for any other purpose. |
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270 dir_info (void) { } |
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271 |
| 5832 | 272 dir_info (const std::string& d) : dir_name (d) { initialize (); } |
| 273 | |
| 274 dir_info (const dir_info& di) | |
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275 : dir_name (di.dir_name), abs_dir_name (di.abs_dir_name), |
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276 is_relative (di.is_relative), |
| 5832 | 277 dir_mtime (di.dir_mtime), all_files (di.all_files), |
| 278 fcn_files (di.fcn_files), | |
| 7336 | 279 private_file_map (di.private_file_map), |
| 280 method_file_map (di.method_file_map) { } | |
| 5832 | 281 |
| 282 ~dir_info (void) { } | |
| 283 | |
| 284 dir_info& operator = (const dir_info& di) | |
| 285 { | |
| 286 if (&di != this) | |
| 287 { | |
| 288 dir_name = di.dir_name; | |
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289 abs_dir_name = di.abs_dir_name; |
| 5832 | 290 is_relative = di.is_relative; |
| 291 dir_mtime = di.dir_mtime; | |
| 292 all_files = di.all_files; | |
| 293 fcn_files = di.fcn_files; | |
| 7336 | 294 private_file_map = di.private_file_map; |
| 295 method_file_map = di.method_file_map; | |
| 5832 | 296 } |
| 297 | |
| 298 return *this; | |
| 299 } | |
| 300 | |
| 301 void update (void); | |
| 302 | |
| 303 std::string dir_name; | |
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304 std::string abs_dir_name; |
| 5832 | 305 bool is_relative; |
| 306 octave_time dir_mtime; | |
| 307 string_vector all_files; | |
| 308 string_vector fcn_files; | |
| 7336 | 309 fcn_file_map_type private_file_map; |
| 310 method_file_map_type method_file_map; | |
| 5832 | 311 |
| 312 private: | |
| 313 | |
| 314 void initialize (void); | |
| 315 | |
| 7336 | 316 void get_file_list (const std::string& d); |
| 317 | |
| 318 void get_private_file_map (const std::string& d); | |
| 5832 | 319 |
| 7336 | 320 void get_method_file_map (const std::string& d, |
| 321 const std::string& class_name); | |
| 322 | |
| 323 friend fcn_file_map_type get_fcn_files (const std::string& d); | |
| 5832 | 324 }; |
| 325 | |
| 326 class file_info | |
| 327 { | |
| 328 public: | |
| 329 | |
| 330 file_info (const std::string& d, int t) : dir_name (d), types (t) { } | |
| 331 | |
| 332 file_info (const file_info& fi) | |
| 333 : dir_name (fi.dir_name), types (fi.types) { } | |
| 334 | |
| 335 ~file_info (void) { } | |
| 336 | |
| 337 file_info& operator = (const file_info& fi) | |
| 338 { | |
| 339 if (&fi != this) | |
| 340 { | |
| 341 dir_name = fi.dir_name; | |
| 342 types = fi.types; | |
| 343 } | |
| 344 | |
| 345 return *this; | |
| 346 } | |
| 347 | |
| 348 std::string dir_name; | |
| 349 int types; | |
| 350 }; | |
| 351 | |
| 352 // We maintain two ways of looking at the same information. | |
| 353 // | |
| 354 // First, a list of directories and the set of "public" files and | |
| 355 // private files (those found in the special "private" subdirectory) | |
| 356 // in each directory. | |
| 357 // | |
| 358 // Second, a map from file names (the union of all "public" files for all | |
| 7336 | 359 // directories, but without filename extensions) to a list of |
| 5832 | 360 // corresponding information (directory name and file types). This |
| 361 // way, we can quickly find shadowed file names and look up all | |
| 362 // overloaded functions (in the "@" directories used to implement | |
| 363 // classes). | |
| 364 | |
| 7336 | 365 typedef std::list<dir_info> dir_info_list_type; |
| 366 | |
| 367 typedef dir_info_list_type::const_iterator const_dir_info_list_iterator; | |
| 368 typedef dir_info_list_type::iterator dir_info_list_iterator; | |
| 369 | |
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370 typedef std::map<std::string, dir_info> abs_dir_cache_type; |
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371 |
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372 typedef abs_dir_cache_type::const_iterator const_abs_dir_cache_iterator; |
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373 typedef abs_dir_cache_type::iterator abs_dir_cache_iterator; |
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374 |
| 7336 | 375 typedef std::list<file_info> file_info_list_type; |
| 376 | |
| 377 typedef file_info_list_type::const_iterator const_file_info_list_iterator; | |
| 378 typedef file_info_list_type::iterator file_info_list_iterator; | |
| 379 | |
| 380 // <FCN_NAME, FILE_INFO_LIST> | |
| 381 typedef std::map<std::string, file_info_list_type> fcn_map_type; | |
| 382 | |
| 383 typedef fcn_map_type::const_iterator const_fcn_map_iterator; | |
| 384 typedef fcn_map_type::iterator fcn_map_iterator; | |
| 5832 | 385 |
| 7336 | 386 // <DIR_NAME, <FCN_NAME, TYPE>> |
| 387 typedef std::map<std::string, dir_info::fcn_file_map_type> private_fcn_map_type; | |
| 388 | |
| 389 typedef private_fcn_map_type::const_iterator const_private_fcn_map_iterator; | |
| 390 typedef private_fcn_map_type::iterator private_fcn_map_iterator; | |
| 391 | |
| 392 // <CLASS_NAME, <FCN_NAME, FILE_INFO_LIST>> | |
| 393 typedef std::map<std::string, fcn_map_type> method_map_type; | |
| 394 | |
| 395 typedef method_map_type::const_iterator const_method_map_iterator; | |
| 396 typedef method_map_type::iterator method_map_iterator; | |
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397 |
| 7336 | 398 mutable dir_info_list_type dir_info_list; |
| 399 | |
| 400 mutable fcn_map_type fcn_map; | |
| 401 | |
| 402 mutable private_fcn_map_type private_fcn_map; | |
| 403 | |
| 404 mutable method_map_type method_map; | |
| 5832 | 405 |
| 406 static load_path *instance; | |
| 407 | |
| 7336 | 408 static hook_fcn_ptr add_hook; |
| 5832 | 409 |
| 7336 | 410 static hook_fcn_ptr remove_hook; |
| 5832 | 411 |
| 412 static std::string command_line_path; | |
| 413 | |
| 6626 | 414 static std::string sys_path; |
| 415 | |
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416 static abs_dir_cache_type abs_dir_cache; |
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417 |
| 5832 | 418 static bool instance_ok (void); |
| 419 | |
| 420 const_dir_info_list_iterator find_dir_info (const std::string& dir) const; | |
| 421 dir_info_list_iterator find_dir_info (const std::string& dir); | |
| 422 | |
| 423 bool contains (const std::string& dir) const; | |
| 424 | |
| 7336 | 425 void move_fcn_map (const std::string& dir, |
| 426 const string_vector& fcn_files, bool at_end); | |
| 427 | |
| 428 void move_method_map (const std::string& dir, bool at_end); | |
| 429 | |
| 5832 | 430 void move (std::list<dir_info>::iterator i, bool at_end); |
| 431 | |
| 6365 | 432 void do_initialize (bool set_initial_path); |
| 5832 | 433 |
| 434 void do_clear (void); | |
| 435 | |
| 5867 | 436 void do_set (const std::string& p, bool warn); |
| 437 | |
| 438 void do_append (const std::string& dir, bool warn); | |
| 5832 | 439 |
| 5867 | 440 void do_prepend (const std::string& dir, bool warn); |
| 5832 | 441 |
| 5867 | 442 void do_add (const std::string& dir, bool at_end, bool warn); |
| 5832 | 443 |
| 7336 | 444 void remove_fcn_map (const std::string& dir, const string_vector& fcn_files); |
| 445 | |
| 446 void remove_private_fcn_map (const std::string& dir); | |
| 447 | |
| 448 void remove_method_map (const std::string& dir); | |
| 449 | |
| 5832 | 450 bool do_remove (const std::string& dir); |
| 451 | |
| 452 void do_update (void) const; | |
| 453 | |
| 7336 | 454 static bool |
| 455 check_file_type (std::string& fname, int type, int possible_types, | |
| 456 const std::string& fcn, const char *who); | |
| 457 | |
| 5832 | 458 std::string do_find_fcn (const std::string& fcn, |
| 7336 | 459 std::string& dir_name, |
| 5864 | 460 int type = M_FILE | OCT_FILE | MEX_FILE) const; |
| 5832 | 461 |
| 7336 | 462 std::string do_find_private_fcn (const std::string& dir, |
| 463 const std::string& fcn, | |
| 464 int type = M_FILE | OCT_FILE | MEX_FILE) const; | |
| 465 | |
| 466 std::string do_find_method (const std::string& class_name, | |
| 467 const std::string& meth, | |
| 468 std::string& dir_name, | |
| 469 int type = M_FILE | OCT_FILE | MEX_FILE) const; | |
| 470 | |
| 471 std::list<std::string> do_methods (const std::string& class_name) const; | |
| 472 | |
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473 bool do_any_class_method (const std::string& meth) const; |
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474 |
| 5832 | 475 std::string do_find_file (const std::string& file) const; |
| 476 | |
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David Bateman <dbateman@free.fr>
parents:
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477 std::string do_find_dir (const std::string& dir) const; |
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478 |
| 5832 | 479 std::string do_find_first_of (const string_vector& files) const; |
| 480 | |
| 481 string_vector do_find_all_first_of (const string_vector& files) const; | |
| 482 | |
| 483 string_vector do_dirs (void) const; | |
| 484 | |
| 485 std::list<std::string> do_dir_list (void) const; | |
| 486 | |
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parents:
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487 string_vector do_files (const std::string& dir, bool omit_exts) const; |
| 5832 | 488 |
| 489 string_vector do_fcn_names (void) const; | |
| 490 | |
| 491 std::string do_path (void) const; | |
| 492 | |
| 7336 | 493 friend void print_types (std::ostream& os, int types); |
| 494 | |
| 495 friend string_vector get_file_list (const dir_info::fcn_file_map_type& lst); | |
| 496 | |
| 497 friend void | |
| 498 print_fcn_list (std::ostream& os, const dir_info::fcn_file_map_type& lst); | |
| 499 | |
| 5832 | 500 void do_display (std::ostream& os) const; |
| 501 | |
| 6629 | 502 std::string do_system_path (void) const { return sys_path; } |
| 6626 | 503 |
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504 std::string do_get_command_line_path (void) const { return command_line_path; } |
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505 |
| 5832 | 506 void add_to_fcn_map (const dir_info& di, bool at_end) const; |
| 7336 | 507 |
| 508 void add_to_private_fcn_map (const dir_info& di) const; | |
| 509 | |
| 510 void add_to_method_map (const dir_info& di, bool at_end) const; | |
| 511 | |
| 512 friend dir_info::fcn_file_map_type get_fcn_files (const std::string& d); | |
| 5832 | 513 }; |
| 514 | |
| 515 extern std::string | |
| 516 genpath (const std::string& dir, const string_vector& skip = "private"); | |
| 517 | |
| 518 extern void execute_pkg_add (const std::string& dir); | |
| 519 extern void execute_pkg_del (const std::string& dir); | |
| 520 | |
| 521 #endif | |
| 522 | |
| 523 /* | |
| 524 ;;; Local Variables: *** | |
| 525 ;;; mode: C++ *** | |
| 526 ;;; page-delimiter: "^/\\*" *** | |
| 527 ;;; End: *** | |
| 528 */ |