Mercurial > hg > octave-nkf
annotate src/load-path.h @ 10843:229675bb7647 ss-3-3-52
version is now 3.3.52
| author | John W. Eaton <jwe@octave.org> |
|---|---|
| date | Sun, 01 Aug 2010 11:49:45 -0400 |
| parents | 4d1fc073fbb7 |
| children | 6105ed2db9d7 |
| rev | line source |
|---|---|
| 5832 | 1 /* |
| 2 | |
| 8920 | 3 Copyright (C) 2006, 2007, 2008, 2009 John W. Eaton |
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4 Copyright (C) 2010 VZLU Prague |
| 5832 | 5 |
| 6 This file is part of Octave. | |
| 7 | |
| 8 Octave is free software; you can redistribute it and/or modify it | |
| 9 under the terms of the GNU General Public License as published by the | |
| 7016 | 10 Free Software Foundation; either version 3 of the License, or (at your |
| 11 option) any later version. | |
| 5832 | 12 |
| 13 Octave is distributed in the hope that it will be useful, but WITHOUT | |
| 14 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 16 for more details. | |
| 17 | |
| 18 You should have received a copy of the GNU General Public License | |
| 7016 | 19 along with Octave; see the file COPYING. If not, see |
| 20 <http://www.gnu.org/licenses/>. | |
| 5832 | 21 |
| 22 */ | |
| 23 | |
| 24 #if !defined (octave_load_path_h) | |
| 25 #define octave_load_path_h 1 | |
| 26 | |
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27 #include <iosfwd> |
| 5832 | 28 #include <list> |
| 29 #include <map> | |
| 30 #include <string> | |
| 31 | |
| 5835 | 32 #include "pathsearch.h" |
| 5832 | 33 #include "str-vec.h" |
| 34 | |
| 35 class | |
| 6241 | 36 OCTINTERP_API |
| 5832 | 37 load_path |
| 38 { | |
| 39 protected: | |
| 40 | |
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41 load_path (void) |
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42 : dir_info_list (), fcn_map (), method_map () { } |
| 5832 | 43 |
| 44 public: | |
| 45 | |
| 7336 | 46 typedef void (*hook_fcn_ptr) (const std::string& dir); |
| 5832 | 47 |
| 48 ~load_path (void) { } | |
| 49 | |
| 6365 | 50 static void initialize (bool set_initial_path = false) |
| 5832 | 51 { |
| 52 if (instance_ok ()) | |
| 6365 | 53 instance->do_initialize (set_initial_path); |
| 5832 | 54 } |
| 55 | |
| 56 static void clear (void) | |
| 57 { | |
| 58 if (instance_ok ()) | |
| 59 instance->do_clear (); | |
| 60 } | |
| 61 | |
| 5867 | 62 static void set (const std::string& p, bool warn = false) |
| 5832 | 63 { |
| 64 if (instance_ok ()) | |
| 5867 | 65 instance->do_set (p, warn); |
| 5832 | 66 } |
| 67 | |
| 5867 | 68 static void append (const std::string& dir, bool warn = false) |
| 5832 | 69 { |
| 70 if (instance_ok ()) | |
| 5867 | 71 instance->do_append (dir, warn); |
| 5832 | 72 } |
| 73 | |
| 5867 | 74 static void prepend (const std::string& dir, bool warn = false) |
| 5832 | 75 { |
| 76 if (instance_ok ()) | |
| 5867 | 77 instance->do_prepend (dir, warn); |
| 5832 | 78 } |
| 79 | |
| 80 static bool remove (const std::string& dir) | |
| 81 { | |
| 82 return instance_ok () ? instance->do_remove (dir) : false; | |
| 83 } | |
| 84 | |
| 85 static void update (void) | |
| 86 { | |
| 87 if (instance_ok ()) | |
| 88 instance->do_update (); | |
| 89 } | |
| 90 | |
| 7336 | 91 static std::string find_method (const std::string& class_name, |
| 10313 | 92 const std::string& meth, |
| 93 std::string& dir_name) | |
| 7336 | 94 { |
| 95 return instance_ok () | |
| 96 ? instance->do_find_method (class_name, meth, dir_name) : std::string (); | |
| 97 } | |
| 98 | |
| 99 static std::string find_method (const std::string& class_name, | |
| 10313 | 100 const std::string& meth) |
| 7336 | 101 { |
| 102 std::string dir_name; | |
| 103 return find_method (class_name, meth, dir_name); | |
| 104 } | |
| 105 | |
| 106 static std::list<std::string> methods (const std::string& class_name) | |
| 107 { | |
| 108 return instance_ok () | |
| 109 ? instance->do_methods (class_name) : std::list<std::string> (); | |
| 110 } | |
| 111 | |
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112 static std::list<std::string> overloads (const std::string& meth) |
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113 { |
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114 return instance_ok () |
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115 ? instance->do_overloads (meth) : std::list<std::string> (); |
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116 } |
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117 |
| 7336 | 118 static std::string find_fcn (const std::string& fcn, std::string& dir_name) |
| 119 { | |
| 120 return instance_ok () | |
| 121 ? instance->do_find_fcn (fcn, dir_name) : std::string (); | |
| 122 } | |
| 123 | |
| 5832 | 124 static std::string find_fcn (const std::string& fcn) |
| 125 { | |
| 7336 | 126 std::string dir_name; |
| 127 return find_fcn (fcn, dir_name); | |
| 128 } | |
| 129 | |
| 130 static std::string find_private_fcn (const std::string& dir, | |
| 10313 | 131 const std::string& fcn) |
| 7336 | 132 { |
| 5832 | 133 return instance_ok () |
| 7336 | 134 ? instance->do_find_private_fcn (dir, fcn) : std::string (); |
| 5832 | 135 } |
| 136 | |
| 137 static std::string find_fcn_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, M_FILE) : std::string (); |
| 5832 | 143 } |
| 144 | |
| 145 static std::string find_oct_file (const std::string& fcn) | |
| 146 { | |
| 7336 | 147 std::string dir_name; |
| 148 | |
| 5832 | 149 return instance_ok () ? |
| 7336 | 150 instance->do_find_fcn (fcn, dir_name, OCT_FILE) : std::string (); |
| 5832 | 151 } |
| 152 | |
| 5864 | 153 static std::string find_mex_file (const std::string& fcn) |
| 154 { | |
| 7336 | 155 std::string dir_name; |
| 156 | |
| 5864 | 157 return instance_ok () ? |
| 7336 | 158 instance->do_find_fcn (fcn, dir_name, MEX_FILE) : std::string (); |
| 5864 | 159 } |
| 160 | |
| 5832 | 161 static std::string find_file (const std::string& file) |
| 162 { | |
| 163 return instance_ok () | |
| 164 ? instance->do_find_file (file) : std::string (); | |
| 165 } | |
| 166 | |
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167 static std::string find_dir (const std::string& dir) |
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168 { |
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169 return instance_ok () |
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170 ? instance->do_find_dir (dir) : std::string (); |
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171 } |
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172 |
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173 static string_vector find_matching_dirs (const std::string& dir) |
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174 { |
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175 return instance_ok () |
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176 ? instance->do_find_matching_dirs (dir) : string_vector (); |
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177 } |
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178 |
| 5832 | 179 static std::string find_first_of (const string_vector& files) |
| 180 { | |
| 181 return instance_ok () ? | |
| 182 instance->do_find_first_of (files) : std::string (); | |
| 183 } | |
| 184 | |
| 185 static string_vector find_all_first_of (const string_vector& files) | |
| 186 { | |
| 187 return instance_ok () ? | |
| 188 instance->do_find_all_first_of (files) : string_vector (); | |
| 189 } | |
| 190 | |
| 191 static string_vector dirs (void) | |
| 192 { | |
| 193 return instance_ok () ? instance->do_dirs () : string_vector (); | |
| 194 } | |
| 195 | |
| 196 static std::list<std::string> dir_list (void) | |
| 197 { | |
| 198 return instance_ok () | |
| 199 ? instance->do_dir_list () : std::list<std::string> (); | |
| 200 } | |
| 201 | |
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202 static string_vector files (const std::string& dir, bool omit_exts = false) |
| 5832 | 203 { |
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204 return instance_ok () |
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205 ? instance->do_files (dir, omit_exts) : string_vector (); |
| 5832 | 206 } |
| 207 | |
| 208 static string_vector fcn_names (void) | |
| 209 { | |
| 210 return instance_ok () ? instance->do_fcn_names () : string_vector (); | |
| 211 } | |
| 212 | |
| 213 static std::string path (void) | |
| 214 { | |
| 215 return instance_ok () ? instance->do_path () : std::string (); | |
| 216 } | |
| 217 | |
| 218 static void display (std::ostream& os) | |
| 219 { | |
| 220 if (instance_ok ()) | |
| 221 instance->do_display (os); | |
| 222 } | |
| 223 | |
| 7336 | 224 static void set_add_hook (hook_fcn_ptr f) { add_hook = f; } |
| 5832 | 225 |
| 7336 | 226 static void set_remove_hook (hook_fcn_ptr f) { remove_hook = f; } |
| 5832 | 227 |
| 228 static void set_command_line_path (const std::string& p) | |
| 229 { | |
| 5835 | 230 if (command_line_path.empty ()) |
| 231 command_line_path = p; | |
| 232 else | |
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233 command_line_path += dir_path::path_sep_str () + p; |
| 5832 | 234 } |
| 235 | |
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236 static std::string get_command_line_path (void) |
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237 { |
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238 return instance_ok () ? instance->do_get_command_line_path () : std::string (); |
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239 } |
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240 |
| 6626 | 241 static std::string system_path (void) |
| 242 { | |
| 6630 | 243 return instance_ok () ? instance->do_system_path () : std::string (); |
| 6626 | 244 } |
| 245 | |
| 5832 | 246 private: |
| 247 | |
| 248 static const int M_FILE = 1; | |
| 249 static const int OCT_FILE = 2; | |
| 5864 | 250 static const int MEX_FILE = 4; |
| 5832 | 251 |
| 252 class dir_info | |
| 253 { | |
| 254 public: | |
| 255 | |
| 7336 | 256 // <FCN_NAME, TYPE> |
| 257 typedef std::map<std::string, int> fcn_file_map_type; | |
| 258 | |
| 259 typedef fcn_file_map_type::const_iterator const_fcn_file_map_iterator; | |
| 260 typedef fcn_file_map_type::iterator fcn_file_map_iterator; | |
| 261 | |
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262 struct class_info |
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263 { |
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264 fcn_file_map_type method_file_map; |
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265 fcn_file_map_type private_file_map; |
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266 }; |
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267 |
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268 // <CLASS_NAME, CLASS_INFO> |
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269 typedef std::map<std::string, class_info> method_file_map_type; |
| 7336 | 270 |
| 271 typedef method_file_map_type::const_iterator const_method_file_map_iterator; | |
| 272 typedef method_file_map_type::iterator method_file_map_iterator; | |
| 273 | |
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274 // This default constructor is only provided so we can create a |
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275 // std::map of dir_info objects. You should not use this |
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276 // constructor for any other purpose. |
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277 dir_info (void) { } |
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278 |
| 5832 | 279 dir_info (const std::string& d) : dir_name (d) { initialize (); } |
| 280 | |
| 281 dir_info (const dir_info& di) | |
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282 : dir_name (di.dir_name), abs_dir_name (di.abs_dir_name), |
| 10313 | 283 is_relative (di.is_relative), |
| 284 dir_mtime (di.dir_mtime), | |
| 285 dir_time_last_checked (di.dir_time_last_checked), | |
| 286 all_files (di.all_files), fcn_files (di.fcn_files), | |
| 287 private_file_map (di.private_file_map), | |
| 288 method_file_map (di.method_file_map) { } | |
| 5832 | 289 |
| 290 ~dir_info (void) { } | |
| 291 | |
| 292 dir_info& operator = (const dir_info& di) | |
| 293 { | |
| 294 if (&di != this) | |
| 10313 | 295 { |
| 296 dir_name = di.dir_name; | |
| 297 abs_dir_name = di.abs_dir_name; | |
| 298 is_relative = di.is_relative; | |
| 299 dir_mtime = di.dir_mtime; | |
| 300 dir_time_last_checked = di.dir_time_last_checked; | |
| 301 all_files = di.all_files; | |
| 302 fcn_files = di.fcn_files; | |
| 303 private_file_map = di.private_file_map; | |
| 304 method_file_map = di.method_file_map; | |
| 305 } | |
| 5832 | 306 |
| 307 return *this; | |
| 308 } | |
| 309 | |
| 310 void update (void); | |
| 311 | |
| 312 std::string dir_name; | |
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313 std::string abs_dir_name; |
| 5832 | 314 bool is_relative; |
| 315 octave_time dir_mtime; | |
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316 octave_time dir_time_last_checked; |
| 5832 | 317 string_vector all_files; |
| 318 string_vector fcn_files; | |
| 7336 | 319 fcn_file_map_type private_file_map; |
| 320 method_file_map_type method_file_map; | |
| 5832 | 321 |
| 322 private: | |
| 323 | |
| 324 void initialize (void); | |
| 325 | |
| 7336 | 326 void get_file_list (const std::string& d); |
| 327 | |
| 328 void get_private_file_map (const std::string& d); | |
| 5832 | 329 |
| 7336 | 330 void get_method_file_map (const std::string& d, |
| 10313 | 331 const std::string& class_name); |
| 7336 | 332 |
| 333 friend fcn_file_map_type get_fcn_files (const std::string& d); | |
| 5832 | 334 }; |
| 335 | |
| 336 class file_info | |
| 337 { | |
| 338 public: | |
| 339 | |
| 340 file_info (const std::string& d, int t) : dir_name (d), types (t) { } | |
| 341 | |
| 342 file_info (const file_info& fi) | |
| 343 : dir_name (fi.dir_name), types (fi.types) { } | |
| 344 | |
| 345 ~file_info (void) { } | |
| 346 | |
| 347 file_info& operator = (const file_info& fi) | |
| 348 { | |
| 349 if (&fi != this) | |
| 10313 | 350 { |
| 351 dir_name = fi.dir_name; | |
| 352 types = fi.types; | |
| 353 } | |
| 5832 | 354 |
| 355 return *this; | |
| 356 } | |
| 357 | |
| 358 std::string dir_name; | |
| 359 int types; | |
| 360 }; | |
| 361 | |
| 362 // We maintain two ways of looking at the same information. | |
| 363 // | |
| 364 // First, a list of directories and the set of "public" files and | |
| 365 // private files (those found in the special "private" subdirectory) | |
| 366 // in each directory. | |
| 367 // | |
| 368 // Second, a map from file names (the union of all "public" files for all | |
| 7336 | 369 // directories, but without filename extensions) to a list of |
| 5832 | 370 // corresponding information (directory name and file types). This |
| 371 // way, we can quickly find shadowed file names and look up all | |
| 372 // overloaded functions (in the "@" directories used to implement | |
| 373 // classes). | |
| 374 | |
| 7336 | 375 typedef std::list<dir_info> dir_info_list_type; |
| 376 | |
| 377 typedef dir_info_list_type::const_iterator const_dir_info_list_iterator; | |
| 378 typedef dir_info_list_type::iterator dir_info_list_iterator; | |
| 379 | |
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380 typedef std::map<std::string, dir_info> abs_dir_cache_type; |
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381 |
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382 typedef abs_dir_cache_type::const_iterator const_abs_dir_cache_iterator; |
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383 typedef abs_dir_cache_type::iterator abs_dir_cache_iterator; |
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384 |
| 7336 | 385 typedef std::list<file_info> file_info_list_type; |
| 386 | |
| 387 typedef file_info_list_type::const_iterator const_file_info_list_iterator; | |
| 388 typedef file_info_list_type::iterator file_info_list_iterator; | |
| 389 | |
| 390 // <FCN_NAME, FILE_INFO_LIST> | |
| 391 typedef std::map<std::string, file_info_list_type> fcn_map_type; | |
| 392 | |
| 393 typedef fcn_map_type::const_iterator const_fcn_map_iterator; | |
| 394 typedef fcn_map_type::iterator fcn_map_iterator; | |
| 5832 | 395 |
| 7336 | 396 // <DIR_NAME, <FCN_NAME, TYPE>> |
| 397 typedef std::map<std::string, dir_info::fcn_file_map_type> private_fcn_map_type; | |
| 398 | |
| 399 typedef private_fcn_map_type::const_iterator const_private_fcn_map_iterator; | |
| 400 typedef private_fcn_map_type::iterator private_fcn_map_iterator; | |
| 401 | |
| 402 // <CLASS_NAME, <FCN_NAME, FILE_INFO_LIST>> | |
| 403 typedef std::map<std::string, fcn_map_type> method_map_type; | |
| 404 | |
| 405 typedef method_map_type::const_iterator const_method_map_iterator; | |
| 406 typedef method_map_type::iterator method_map_iterator; | |
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407 |
| 7336 | 408 mutable dir_info_list_type dir_info_list; |
| 409 | |
| 410 mutable fcn_map_type fcn_map; | |
| 411 | |
| 412 mutable private_fcn_map_type private_fcn_map; | |
| 413 | |
| 414 mutable method_map_type method_map; | |
| 5832 | 415 |
| 416 static load_path *instance; | |
| 417 | |
| 7336 | 418 static hook_fcn_ptr add_hook; |
| 5832 | 419 |
| 7336 | 420 static hook_fcn_ptr remove_hook; |
| 5832 | 421 |
| 422 static std::string command_line_path; | |
| 423 | |
| 6626 | 424 static std::string sys_path; |
| 425 | |
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426 static abs_dir_cache_type abs_dir_cache; |
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427 |
| 5832 | 428 static bool instance_ok (void); |
| 429 | |
| 430 const_dir_info_list_iterator find_dir_info (const std::string& dir) const; | |
| 431 dir_info_list_iterator find_dir_info (const std::string& dir); | |
| 432 | |
| 433 bool contains (const std::string& dir) const; | |
| 434 | |
| 7336 | 435 void move_fcn_map (const std::string& dir, |
| 10313 | 436 const string_vector& fcn_files, bool at_end); |
| 7336 | 437 |
| 438 void move_method_map (const std::string& dir, bool at_end); | |
| 439 | |
| 5832 | 440 void move (std::list<dir_info>::iterator i, bool at_end); |
| 441 | |
| 6365 | 442 void do_initialize (bool set_initial_path); |
| 5832 | 443 |
| 444 void do_clear (void); | |
| 445 | |
| 5867 | 446 void do_set (const std::string& p, bool warn); |
| 447 | |
| 448 void do_append (const std::string& dir, bool warn); | |
| 5832 | 449 |
| 5867 | 450 void do_prepend (const std::string& dir, bool warn); |
| 5832 | 451 |
| 5867 | 452 void do_add (const std::string& dir, bool at_end, bool warn); |
| 5832 | 453 |
| 7336 | 454 void remove_fcn_map (const std::string& dir, const string_vector& fcn_files); |
| 455 | |
| 456 void remove_private_fcn_map (const std::string& dir); | |
| 457 | |
| 458 void remove_method_map (const std::string& dir); | |
| 459 | |
| 5832 | 460 bool do_remove (const std::string& dir); |
| 461 | |
| 462 void do_update (void) const; | |
| 463 | |
| 7336 | 464 static bool |
| 465 check_file_type (std::string& fname, int type, int possible_types, | |
| 10313 | 466 const std::string& fcn, const char *who); |
| 7336 | 467 |
| 5832 | 468 std::string do_find_fcn (const std::string& fcn, |
| 10313 | 469 std::string& dir_name, |
| 470 int type = M_FILE | OCT_FILE | MEX_FILE) const; | |
| 5832 | 471 |
| 7336 | 472 std::string do_find_private_fcn (const std::string& dir, |
| 10313 | 473 const std::string& fcn, |
| 474 int type = M_FILE | OCT_FILE | MEX_FILE) const; | |
| 7336 | 475 |
| 476 std::string do_find_method (const std::string& class_name, | |
| 10313 | 477 const std::string& meth, |
| 478 std::string& dir_name, | |
| 479 int type = M_FILE | OCT_FILE | MEX_FILE) const; | |
| 7336 | 480 |
| 481 std::list<std::string> do_methods (const std::string& class_name) const; | |
| 482 | |
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483 std::list<std::string> do_overloads (const std::string& meth) const; |
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484 |
| 5832 | 485 std::string do_find_file (const std::string& file) const; |
| 486 | |
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487 std::string do_find_dir (const std::string& dir) const; |
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488 |
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489 string_vector do_find_matching_dirs (const std::string& dir) const; |
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490 |
| 5832 | 491 std::string do_find_first_of (const string_vector& files) const; |
| 492 | |
| 493 string_vector do_find_all_first_of (const string_vector& files) const; | |
| 494 | |
| 495 string_vector do_dirs (void) const; | |
| 496 | |
| 497 std::list<std::string> do_dir_list (void) const; | |
| 498 | |
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499 string_vector do_files (const std::string& dir, bool omit_exts) const; |
| 5832 | 500 |
| 501 string_vector do_fcn_names (void) const; | |
| 502 | |
| 503 std::string do_path (void) const; | |
| 504 | |
| 7336 | 505 friend void print_types (std::ostream& os, int types); |
| 506 | |
| 507 friend string_vector get_file_list (const dir_info::fcn_file_map_type& lst); | |
| 508 | |
| 509 friend void | |
| 510 print_fcn_list (std::ostream& os, const dir_info::fcn_file_map_type& lst); | |
| 511 | |
| 5832 | 512 void do_display (std::ostream& os) const; |
| 513 | |
| 6629 | 514 std::string do_system_path (void) const { return sys_path; } |
| 6626 | 515 |
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516 std::string do_get_command_line_path (void) const { return command_line_path; } |
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517 |
| 5832 | 518 void add_to_fcn_map (const dir_info& di, bool at_end) const; |
| 7336 | 519 |
| 520 void add_to_private_fcn_map (const dir_info& di) const; | |
| 521 | |
| 522 void add_to_method_map (const dir_info& di, bool at_end) const; | |
| 523 | |
| 524 friend dir_info::fcn_file_map_type get_fcn_files (const std::string& d); | |
| 5832 | 525 }; |
| 526 | |
| 527 extern std::string | |
| 528 genpath (const std::string& dir, const string_vector& skip = "private"); | |
| 529 | |
| 530 extern void execute_pkg_add (const std::string& dir); | |
| 531 extern void execute_pkg_del (const std::string& dir); | |
| 532 | |
| 533 #endif |