|
5832
|
1 /* |
|
|
2 |
|
|
3 Copyright (C) 2006 John W. Eaton |
|
|
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 |
|
|
9 Free Software Foundation; either version 2, or (at your option) any |
|
|
10 later version. |
|
|
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 |
|
|
18 along with Octave; see the file COPYING. If not, write to the Free |
|
|
19 Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA |
|
|
20 02110-1301, USA. |
|
|
21 |
|
|
22 */ |
|
|
23 |
|
|
24 #if !defined (octave_load_path_h) |
|
|
25 #define octave_load_path_h 1 |
|
|
26 |
|
|
27 #include <iostream> |
|
|
28 #include <list> |
|
|
29 #include <map> |
|
|
30 #include <string> |
|
|
31 |
|
5835
|
32 #include "pathsearch.h" |
|
5832
|
33 #include "str-vec.h" |
|
|
34 |
|
|
35 class |
|
|
36 load_path |
|
|
37 { |
|
|
38 protected: |
|
|
39 |
|
|
40 load_path (void) : dir_info_list (), fcn_map () { } |
|
|
41 |
|
|
42 public: |
|
|
43 |
|
|
44 typedef void (*hook_function_ptr) (const std::string& dir); |
|
|
45 |
|
|
46 ~load_path (void) { } |
|
|
47 |
|
|
48 static void initialize (void) |
|
|
49 { |
|
|
50 if (instance_ok ()) |
|
|
51 instance->do_initialize (); |
|
|
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 |
|
|
89 static std::string find_fcn (const std::string& fcn) |
|
|
90 { |
|
|
91 return instance_ok () |
|
|
92 ? instance->do_find_fcn (fcn) : std::string (); |
|
|
93 } |
|
|
94 |
|
|
95 static std::string find_fcn_file (const std::string& fcn) |
|
|
96 { |
|
|
97 return instance_ok () ? |
|
|
98 instance->do_find_fcn (fcn, M_FILE) : std::string (); |
|
|
99 } |
|
|
100 |
|
|
101 static std::string find_oct_file (const std::string& fcn) |
|
|
102 { |
|
|
103 return instance_ok () ? |
|
|
104 instance->do_find_fcn (fcn, OCT_FILE) : std::string (); |
|
|
105 } |
|
|
106 |
|
5864
|
107 static std::string find_mex_file (const std::string& fcn) |
|
|
108 { |
|
|
109 return instance_ok () ? |
|
|
110 instance->do_find_fcn (fcn, MEX_FILE) : std::string (); |
|
|
111 } |
|
|
112 |
|
5832
|
113 static std::string find_file (const std::string& file) |
|
|
114 { |
|
|
115 return instance_ok () |
|
|
116 ? instance->do_find_file (file) : std::string (); |
|
|
117 } |
|
|
118 |
|
|
119 static std::string find_first_of (const string_vector& files) |
|
|
120 { |
|
|
121 return instance_ok () ? |
|
|
122 instance->do_find_first_of (files) : std::string (); |
|
|
123 } |
|
|
124 |
|
|
125 static string_vector find_all_first_of (const string_vector& files) |
|
|
126 { |
|
|
127 return instance_ok () ? |
|
|
128 instance->do_find_all_first_of (files) : string_vector (); |
|
|
129 } |
|
|
130 |
|
|
131 static string_vector dirs (void) |
|
|
132 { |
|
|
133 return instance_ok () ? instance->do_dirs () : string_vector (); |
|
|
134 } |
|
|
135 |
|
|
136 static std::list<std::string> dir_list (void) |
|
|
137 { |
|
|
138 return instance_ok () |
|
|
139 ? instance->do_dir_list () : std::list<std::string> (); |
|
|
140 } |
|
|
141 |
|
|
142 static string_vector files (const std::string& dir) |
|
|
143 { |
|
|
144 return instance_ok () ? instance->do_files (dir) : string_vector (); |
|
|
145 } |
|
|
146 |
|
|
147 static string_vector fcn_names (void) |
|
|
148 { |
|
|
149 return instance_ok () ? instance->do_fcn_names () : string_vector (); |
|
|
150 } |
|
|
151 |
|
|
152 static std::string path (void) |
|
|
153 { |
|
|
154 return instance_ok () ? instance->do_path () : std::string (); |
|
|
155 } |
|
|
156 |
|
|
157 static void display (std::ostream& os) |
|
|
158 { |
|
|
159 if (instance_ok ()) |
|
|
160 instance->do_display (os); |
|
|
161 } |
|
|
162 |
|
|
163 static void set_add_hook (hook_function_ptr f) { add_hook = f; } |
|
|
164 |
|
|
165 static void set_remove_hook (hook_function_ptr f) { remove_hook = f; } |
|
|
166 |
|
|
167 static void set_command_line_path (const std::string& p) |
|
|
168 { |
|
5835
|
169 if (command_line_path.empty ()) |
|
|
170 command_line_path = p; |
|
|
171 else |
|
|
172 command_line_path += dir_path::path_sep_str + p; |
|
5832
|
173 } |
|
|
174 |
|
|
175 private: |
|
|
176 |
|
|
177 static const int M_FILE = 1; |
|
|
178 static const int OCT_FILE = 2; |
|
5864
|
179 static const int MEX_FILE = 4; |
|
5832
|
180 |
|
|
181 class dir_info |
|
|
182 { |
|
|
183 public: |
|
|
184 |
|
|
185 dir_info (const std::string& d) : dir_name (d) { initialize (); } |
|
|
186 |
|
|
187 dir_info (const dir_info& di) |
|
|
188 : dir_name (di.dir_name), is_relative (di.is_relative), |
|
|
189 dir_mtime (di.dir_mtime), all_files (di.all_files), |
|
|
190 fcn_files (di.fcn_files), |
|
|
191 private_function_map (di.private_function_map) { } |
|
|
192 |
|
|
193 ~dir_info (void) { } |
|
|
194 |
|
|
195 dir_info& operator = (const dir_info& di) |
|
|
196 { |
|
|
197 if (&di != this) |
|
|
198 { |
|
|
199 dir_name = di.dir_name; |
|
|
200 is_relative = di.is_relative; |
|
|
201 dir_mtime = di.dir_mtime; |
|
|
202 all_files = di.all_files; |
|
|
203 fcn_files = di.fcn_files; |
|
|
204 private_function_map = di.private_function_map; |
|
|
205 } |
|
|
206 |
|
|
207 return *this; |
|
|
208 } |
|
|
209 |
|
|
210 void update (void); |
|
|
211 |
|
|
212 std::string dir_name; |
|
|
213 bool is_relative; |
|
|
214 octave_time dir_mtime; |
|
|
215 string_vector all_files; |
|
|
216 string_vector fcn_files; |
|
|
217 std::map<std::string, int> private_function_map; |
|
|
218 |
|
|
219 private: |
|
|
220 |
|
|
221 void initialize (void); |
|
|
222 |
|
|
223 bool get_file_list (const std::string& d); |
|
|
224 |
|
|
225 void get_private_function_map (const std::string& d); |
|
|
226 }; |
|
|
227 |
|
|
228 class file_info |
|
|
229 { |
|
|
230 public: |
|
|
231 |
|
|
232 file_info (const std::string& d, int t) : dir_name (d), types (t) { } |
|
|
233 |
|
|
234 file_info (const file_info& fi) |
|
|
235 : dir_name (fi.dir_name), types (fi.types) { } |
|
|
236 |
|
|
237 ~file_info (void) { } |
|
|
238 |
|
|
239 file_info& operator = (const file_info& fi) |
|
|
240 { |
|
|
241 if (&fi != this) |
|
|
242 { |
|
|
243 dir_name = fi.dir_name; |
|
|
244 types = fi.types; |
|
|
245 } |
|
|
246 |
|
|
247 return *this; |
|
|
248 } |
|
|
249 |
|
|
250 std::string dir_name; |
|
|
251 int types; |
|
|
252 }; |
|
|
253 |
|
|
254 // We maintain two ways of looking at the same information. |
|
|
255 // |
|
|
256 // First, a list of directories and the set of "public" files and |
|
|
257 // private files (those found in the special "private" subdirectory) |
|
|
258 // in each directory. |
|
|
259 // |
|
|
260 // Second, a map from file names (the union of all "public" files for all |
|
|
261 // directories, but without filename exteinsions) to a list of |
|
|
262 // corresponding information (directory name and file types). This |
|
|
263 // way, we can quickly find shadowed file names and look up all |
|
|
264 // overloaded functions (in the "@" directories used to implement |
|
|
265 // classes). |
|
|
266 |
|
|
267 mutable std::list<dir_info> dir_info_list; |
|
|
268 |
|
|
269 mutable std::map<std::string, std::list<file_info> > fcn_map; |
|
|
270 |
|
|
271 static load_path *instance; |
|
|
272 |
|
|
273 static hook_function_ptr add_hook; |
|
|
274 |
|
|
275 static hook_function_ptr remove_hook; |
|
|
276 |
|
|
277 static std::string command_line_path; |
|
|
278 |
|
|
279 static bool instance_ok (void); |
|
|
280 |
|
|
281 typedef std::list<dir_info>::const_iterator const_dir_info_list_iterator; |
|
|
282 typedef std::list<dir_info>::iterator dir_info_list_iterator; |
|
|
283 |
|
|
284 typedef std::map<std::string, std::list<file_info> >::const_iterator const_fcn_map_iterator; |
|
|
285 typedef std::map<std::string, std::list<file_info> >::iterator fcn_map_iterator; |
|
|
286 |
|
|
287 typedef std::list<file_info>::const_iterator const_file_info_list_iterator; |
|
|
288 typedef std::list<file_info>::iterator file_info_list_iterator; |
|
|
289 |
|
|
290 const_dir_info_list_iterator find_dir_info (const std::string& dir) const; |
|
|
291 dir_info_list_iterator find_dir_info (const std::string& dir); |
|
|
292 |
|
|
293 bool contains (const std::string& dir) const; |
|
|
294 |
|
|
295 void move (std::list<dir_info>::iterator i, bool at_end); |
|
|
296 |
|
|
297 void do_initialize (void); |
|
|
298 |
|
|
299 void do_clear (void); |
|
|
300 |
|
5867
|
301 void do_set (const std::string& p, bool warn); |
|
|
302 |
|
|
303 void do_append (const std::string& dir, bool warn); |
|
5832
|
304 |
|
5867
|
305 void do_prepend (const std::string& dir, bool warn); |
|
5832
|
306 |
|
5867
|
307 void do_add (const std::string& dir, bool at_end, bool warn); |
|
5832
|
308 |
|
|
309 bool do_remove (const std::string& dir); |
|
|
310 |
|
|
311 void do_update (void) const; |
|
|
312 |
|
|
313 std::string do_find_fcn (const std::string& fcn, |
|
5864
|
314 int type = M_FILE | OCT_FILE | MEX_FILE) const; |
|
5832
|
315 |
|
|
316 std::string do_find_file (const std::string& file) const; |
|
|
317 |
|
|
318 std::string do_find_first_of (const string_vector& files) const; |
|
|
319 |
|
|
320 string_vector do_find_all_first_of (const string_vector& files) const; |
|
|
321 |
|
|
322 string_vector do_dirs (void) const; |
|
|
323 |
|
|
324 std::list<std::string> do_dir_list (void) const; |
|
|
325 |
|
|
326 string_vector do_files (const std::string& dir) const; |
|
|
327 |
|
|
328 string_vector do_fcn_names (void) const; |
|
|
329 |
|
|
330 std::string do_path (void) const; |
|
|
331 |
|
|
332 void do_display (std::ostream& os) const; |
|
|
333 |
|
|
334 void add_to_fcn_map (const dir_info& di, bool at_end) const; |
|
|
335 }; |
|
|
336 |
|
|
337 extern std::string |
|
|
338 genpath (const std::string& dir, const string_vector& skip = "private"); |
|
|
339 |
|
|
340 extern void execute_pkg_add (const std::string& dir); |
|
|
341 extern void execute_pkg_del (const std::string& dir); |
|
|
342 |
|
|
343 #endif |
|
|
344 |
|
|
345 /* |
|
|
346 ;;; Local Variables: *** |
|
|
347 ;;; mode: C++ *** |
|
|
348 ;;; page-delimiter: "^/\\*" *** |
|
|
349 ;;; End: *** |
|
|
350 */ |
