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Mon Jun 3 18:52:44 2013 UTC (11 years, 9 months ago) by amb
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Mon Jun 3 18:52:44 2013 UTC (11 years, 9 months ago) by amb
File MIME type: text/x-csrc
File size: 27138 byte(s)
Add a new function to convert a TagList into an HTML-like string.
1 | /*************************************** |
2 | Load the tagging rules from a file and the functions for handling them. |
3 | |
4 | Part of the Routino routing software. |
5 | ******************/ /****************** |
6 | This file Copyright 2010-2013 Andrew M. Bishop |
7 | |
8 | This program is free software: you can redistribute it and/or modify |
9 | it under the terms of the GNU Affero General Public License as published by |
10 | the Free Software Foundation, either version 3 of the License, or |
11 | (at your option) any later version. |
12 | |
13 | This program is distributed in the hope that it will be useful, |
14 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
16 | GNU Affero General Public License for more details. |
17 | |
18 | You should have received a copy of the GNU Affero General Public License |
19 | along with this program. If not, see <http://www.gnu.org/licenses/>. |
20 | ***************************************/ |
21 | |
22 | |
23 | #include <stdio.h> |
24 | #include <string.h> |
25 | #include <stdlib.h> |
26 | #include <inttypes.h> |
27 | #include <stdint.h> |
28 | |
29 | #include "files.h" |
30 | #include "tagging.h" |
31 | #include "xmlparse.h" |
32 | #include "logging.h" |
33 | |
34 | |
35 | /* Constants */ |
36 | |
37 | #define TAGACTION_IF 1 |
38 | #define TAGACTION_IFNOT 2 |
39 | |
40 | #define TAGACTION_INHERIT 3 /* Not a real action, just a marker */ |
41 | |
42 | #define TAGACTION_SET 4 |
43 | #define TAGACTION_UNSET 5 |
44 | #define TAGACTION_OUTPUT 6 |
45 | #define TAGACTION_LOGERROR 7 |
46 | |
47 | |
48 | /* Local variables */ |
49 | |
50 | static TaggingRuleList NodeRules={NULL,0}; |
51 | static TaggingRuleList WayRules={NULL,0}; |
52 | static TaggingRuleList RelationRules={NULL,0}; |
53 | |
54 | static int current_list_stack_depth=0; |
55 | static TaggingRuleList **current_list_stack=NULL; |
56 | static TaggingRuleList *current_list=NULL; |
57 | |
58 | static int64_t current_id; |
59 | |
60 | static char *default_logerror_message="ignoring it"; |
61 | |
62 | |
63 | /* Local functions */ |
64 | |
65 | static TaggingRuleList *AppendTaggingRule(TaggingRuleList *rules,const char *k,const char *v,int action); |
66 | static void AppendTaggingAction(TaggingRuleList *rules,const char *k,const char *v,int action,const char *message); |
67 | static void DeleteTaggingRuleList(TaggingRuleList *rules); |
68 | |
69 | static void ApplyRules(TaggingRuleList *rules,TagList *input,TagList *output,const char *match_k,const char *match_v); |
70 | |
71 | |
72 | /* The XML tag processing function prototypes */ |
73 | |
74 | //static int xmlDeclaration_function(const char *_tag_,int _type_,const char *version,const char *encoding); |
75 | //static int RoutinoTaggingType_function(const char *_tag_,int _type_); |
76 | static int NodeType_function(const char *_tag_,int _type_); |
77 | static int WayType_function(const char *_tag_,int _type_); |
78 | static int RelationType_function(const char *_tag_,int _type_); |
79 | static int IfType_function(const char *_tag_,int _type_,const char *k,const char *v); |
80 | static int IfNotType_function(const char *_tag_,int _type_,const char *k,const char *v); |
81 | static int SetType_function(const char *_tag_,int _type_,const char *k,const char *v); |
82 | static int UnsetType_function(const char *_tag_,int _type_,const char *k); |
83 | static int OutputType_function(const char *_tag_,int _type_,const char *k,const char *v); |
84 | static int LogErrorType_function(const char *_tag_,int _type_,const char *k,const char *v,const char *message); |
85 | |
86 | |
87 | /* The XML tag definitions (forward declarations) */ |
88 | |
89 | static xmltag xmlDeclaration_tag; |
90 | static xmltag RoutinoTaggingType_tag; |
91 | static xmltag NodeType_tag; |
92 | static xmltag WayType_tag; |
93 | static xmltag RelationType_tag; |
94 | static xmltag IfType_tag; |
95 | static xmltag IfNotType_tag; |
96 | static xmltag SetType_tag; |
97 | static xmltag UnsetType_tag; |
98 | static xmltag OutputType_tag; |
99 | static xmltag LogErrorType_tag; |
100 | |
101 | |
102 | /* The XML tag definition values */ |
103 | |
104 | /*+ The complete set of tags at the top level. +*/ |
105 | static xmltag *xml_toplevel_tags[]={&xmlDeclaration_tag,&RoutinoTaggingType_tag,NULL}; |
106 | |
107 | /*+ The xmlDeclaration type tag. +*/ |
108 | static xmltag xmlDeclaration_tag= |
109 | {"xml", |
110 | 2, {"version","encoding"}, |
111 | NULL, |
112 | {NULL}}; |
113 | |
114 | /*+ The RoutinoTaggingType type tag. +*/ |
115 | static xmltag RoutinoTaggingType_tag= |
116 | {"routino-tagging", |
117 | 0, {NULL}, |
118 | NULL, |
119 | {&NodeType_tag,&WayType_tag,&RelationType_tag,NULL}}; |
120 | |
121 | /*+ The NodeType type tag. +*/ |
122 | static xmltag NodeType_tag= |
123 | {"node", |
124 | 0, {NULL}, |
125 | NodeType_function, |
126 | {&IfType_tag,&IfNotType_tag,NULL}}; |
127 | |
128 | /*+ The WayType type tag. +*/ |
129 | static xmltag WayType_tag= |
130 | {"way", |
131 | 0, {NULL}, |
132 | WayType_function, |
133 | {&IfType_tag,&IfNotType_tag,NULL}}; |
134 | |
135 | /*+ The RelationType type tag. +*/ |
136 | static xmltag RelationType_tag= |
137 | {"relation", |
138 | 0, {NULL}, |
139 | RelationType_function, |
140 | {&IfType_tag,&IfNotType_tag,NULL}}; |
141 | |
142 | /*+ The IfType type tag. +*/ |
143 | static xmltag IfType_tag= |
144 | {"if", |
145 | 2, {"k","v"}, |
146 | IfType_function, |
147 | {&IfType_tag,&IfNotType_tag,&SetType_tag,&UnsetType_tag,&OutputType_tag,&LogErrorType_tag,NULL}}; |
148 | |
149 | /*+ The IfNotType type tag. +*/ |
150 | static xmltag IfNotType_tag= |
151 | {"ifnot", |
152 | 2, {"k","v"}, |
153 | IfNotType_function, |
154 | {&IfType_tag,&IfNotType_tag,&SetType_tag,&UnsetType_tag,&OutputType_tag,&LogErrorType_tag,NULL}}; |
155 | |
156 | /*+ The SetType type tag. +*/ |
157 | static xmltag SetType_tag= |
158 | {"set", |
159 | 2, {"k","v"}, |
160 | SetType_function, |
161 | {NULL}}; |
162 | |
163 | /*+ The UnsetType type tag. +*/ |
164 | static xmltag UnsetType_tag= |
165 | {"unset", |
166 | 1, {"k"}, |
167 | UnsetType_function, |
168 | {NULL}}; |
169 | |
170 | /*+ The OutputType type tag. +*/ |
171 | static xmltag OutputType_tag= |
172 | {"output", |
173 | 2, {"k","v"}, |
174 | OutputType_function, |
175 | {NULL}}; |
176 | |
177 | /*+ The LogErrorType type tag. +*/ |
178 | static xmltag LogErrorType_tag= |
179 | {"logerror", |
180 | 3, {"k","v","message"}, |
181 | LogErrorType_function, |
182 | {NULL}}; |
183 | |
184 | |
185 | /* The XML tag processing functions */ |
186 | |
187 | |
188 | /*++++++++++++++++++++++++++++++++++++++ |
189 | The function that is called when the XML declaration is seen |
190 | |
191 | int xmlDeclaration_function Returns 0 if no error occured or something else otherwise. |
192 | |
193 | const char *_tag_ Set to the name of the element tag that triggered this function call. |
194 | |
195 | int _type_ Set to XMLPARSE_TAG_START at the start of a tag and/or XMLPARSE_TAG_END at the end of a tag. |
196 | |
197 | const char *version The contents of the 'version' attribute (or NULL if not defined). |
198 | |
199 | const char *encoding The contents of the 'encoding' attribute (or NULL if not defined). |
200 | ++++++++++++++++++++++++++++++++++++++*/ |
201 | |
202 | //static int xmlDeclaration_function(const char *_tag_,int _type_,const char *version,const char *encoding) |
203 | //{ |
204 | // return(0); |
205 | //} |
206 | |
207 | |
208 | /*++++++++++++++++++++++++++++++++++++++ |
209 | The function that is called when the RoutinoTaggingType XSD type is seen |
210 | |
211 | int RoutinoTaggingType_function Returns 0 if no error occured or something else otherwise. |
212 | |
213 | const char *_tag_ Set to the name of the element tag that triggered this function call. |
214 | |
215 | int _type_ Set to XMLPARSE_TAG_START at the start of a tag and/or XMLPARSE_TAG_END at the end of a tag. |
216 | ++++++++++++++++++++++++++++++++++++++*/ |
217 | |
218 | //static int RoutinoTaggingType_function(const char *_tag_,int _type_) |
219 | //{ |
220 | // return(0); |
221 | //} |
222 | |
223 | |
224 | /*++++++++++++++++++++++++++++++++++++++ |
225 | The function that is called when the NodeType XSD type is seen |
226 | |
227 | int NodeType_function Returns 0 if no error occured or something else otherwise. |
228 | |
229 | const char *_tag_ Set to the name of the element tag that triggered this function call. |
230 | |
231 | int _type_ Set to XMLPARSE_TAG_START at the start of a tag and/or XMLPARSE_TAG_END at the end of a tag. |
232 | ++++++++++++++++++++++++++++++++++++++*/ |
233 | |
234 | static int NodeType_function(const char *_tag_,int _type_) |
235 | { |
236 | if(_type_&XMLPARSE_TAG_START) |
237 | { |
238 | current_list_stack_depth=0; |
239 | current_list=&NodeRules; |
240 | } |
241 | |
242 | return(0); |
243 | } |
244 | |
245 | |
246 | /*++++++++++++++++++++++++++++++++++++++ |
247 | The function that is called when the WayType XSD type is seen |
248 | |
249 | int WayType_function Returns 0 if no error occured or something else otherwise. |
250 | |
251 | const char *_tag_ Set to the name of the element tag that triggered this function call. |
252 | |
253 | int _type_ Set to XMLPARSE_TAG_START at the start of a tag and/or XMLPARSE_TAG_END at the end of a tag. |
254 | ++++++++++++++++++++++++++++++++++++++*/ |
255 | |
256 | static int WayType_function(const char *_tag_,int _type_) |
257 | { |
258 | if(_type_&XMLPARSE_TAG_START) |
259 | { |
260 | current_list_stack_depth=0; |
261 | current_list=&WayRules; |
262 | } |
263 | |
264 | return(0); |
265 | } |
266 | |
267 | |
268 | /*++++++++++++++++++++++++++++++++++++++ |
269 | The function that is called when the RelationType XSD type is seen |
270 | |
271 | int RelationType_function Returns 0 if no error occured or something else otherwise. |
272 | |
273 | const char *_tag_ Set to the name of the element tag that triggered this function call. |
274 | |
275 | int _type_ Set to XMLPARSE_TAG_START at the start of a tag and/or XMLPARSE_TAG_END at the end of a tag. |
276 | ++++++++++++++++++++++++++++++++++++++*/ |
277 | |
278 | static int RelationType_function(const char *_tag_,int _type_) |
279 | { |
280 | if(_type_&XMLPARSE_TAG_START) |
281 | { |
282 | current_list_stack_depth=0; |
283 | current_list=&RelationRules; |
284 | } |
285 | |
286 | return(0); |
287 | } |
288 | |
289 | |
290 | /*++++++++++++++++++++++++++++++++++++++ |
291 | The function that is called when the IfType XSD type is seen |
292 | |
293 | int IfType_function Returns 0 if no error occured or something else otherwise. |
294 | |
295 | const char *_tag_ Set to the name of the element tag that triggered this function call. |
296 | |
297 | int _type_ Set to XMLPARSE_TAG_START at the start of a tag and/or XMLPARSE_TAG_END at the end of a tag. |
298 | |
299 | const char *k The contents of the 'k' attribute (or NULL if not defined). |
300 | |
301 | const char *v The contents of the 'v' attribute (or NULL if not defined). |
302 | ++++++++++++++++++++++++++++++++++++++*/ |
303 | |
304 | static int IfType_function(const char *_tag_,int _type_,const char *k,const char *v) |
305 | { |
306 | if(_type_&XMLPARSE_TAG_START) |
307 | { |
308 | if(!current_list_stack || (current_list_stack_depth%8)==7) |
309 | current_list_stack=(TaggingRuleList**)realloc((void*)current_list_stack,(current_list_stack_depth+8)*sizeof(TaggingRuleList*)); |
310 | |
311 | current_list_stack[current_list_stack_depth++]=current_list; |
312 | |
313 | current_list=AppendTaggingRule(current_list,k,v,TAGACTION_IF); |
314 | } |
315 | |
316 | if(_type_&XMLPARSE_TAG_END) |
317 | current_list=current_list_stack[--current_list_stack_depth]; |
318 | |
319 | return(0); |
320 | } |
321 | |
322 | |
323 | /*++++++++++++++++++++++++++++++++++++++ |
324 | The function that is called when the IfNotType XSD type is seen |
325 | |
326 | int IfNotType_function Returns 0 if no error occured or something else otherwise. |
327 | |
328 | const char *_tag_ Set to the name of the element tag that triggered this function call. |
329 | |
330 | int _type_ Set to XMLPARSE_TAG_START at the start of a tag and/or XMLPARSE_TAG_END at the end of a tag. |
331 | |
332 | const char *k The contents of the 'k' attribute (or NULL if not defined). |
333 | |
334 | const char *v The contents of the 'v' attribute (or NULL if not defined). |
335 | ++++++++++++++++++++++++++++++++++++++*/ |
336 | |
337 | static int IfNotType_function(const char *_tag_,int _type_,const char *k,const char *v) |
338 | { |
339 | if(_type_&XMLPARSE_TAG_START) |
340 | { |
341 | if(!current_list_stack || (current_list_stack_depth%8)==7) |
342 | current_list_stack=(TaggingRuleList**)realloc((void*)current_list_stack,(current_list_stack_depth+8)*sizeof(TaggingRuleList*)); |
343 | |
344 | current_list_stack[current_list_stack_depth++]=current_list; |
345 | |
346 | current_list=AppendTaggingRule(current_list,k,v,TAGACTION_IFNOT); |
347 | } |
348 | |
349 | if(_type_&XMLPARSE_TAG_END) |
350 | current_list=current_list_stack[--current_list_stack_depth]; |
351 | |
352 | return(0); |
353 | } |
354 | |
355 | |
356 | /*++++++++++++++++++++++++++++++++++++++ |
357 | The function that is called when the SetType XSD type is seen |
358 | |
359 | int SetType_function Returns 0 if no error occured or something else otherwise. |
360 | |
361 | const char *_tag_ Set to the name of the element tag that triggered this function call. |
362 | |
363 | int _type_ Set to XMLPARSE_TAG_START at the start of a tag and/or XMLPARSE_TAG_END at the end of a tag. |
364 | |
365 | const char *k The contents of the 'k' attribute (or NULL if not defined). |
366 | |
367 | const char *v The contents of the 'v' attribute (or NULL if not defined). |
368 | ++++++++++++++++++++++++++++++++++++++*/ |
369 | |
370 | static int SetType_function(const char *_tag_,int _type_,const char *k,const char *v) |
371 | { |
372 | if(_type_&XMLPARSE_TAG_START) |
373 | AppendTaggingAction(current_list,k,v,TAGACTION_SET,NULL); |
374 | |
375 | return(0); |
376 | } |
377 | |
378 | |
379 | /*++++++++++++++++++++++++++++++++++++++ |
380 | The function that is called when the UnsetType XSD type is seen |
381 | |
382 | int UnsetType_function Returns 0 if no error occured or something else otherwise. |
383 | |
384 | const char *_tag_ Set to the name of the element tag that triggered this function call. |
385 | |
386 | int _type_ Set to XMLPARSE_TAG_START at the start of a tag and/or XMLPARSE_TAG_END at the end of a tag. |
387 | |
388 | const char *k The contents of the 'k' attribute (or NULL if not defined). |
389 | ++++++++++++++++++++++++++++++++++++++*/ |
390 | |
391 | static int UnsetType_function(const char *_tag_,int _type_,const char *k) |
392 | { |
393 | if(_type_&XMLPARSE_TAG_START) |
394 | AppendTaggingAction(current_list,k,NULL,TAGACTION_UNSET,NULL); |
395 | |
396 | return(0); |
397 | } |
398 | |
399 | |
400 | /*++++++++++++++++++++++++++++++++++++++ |
401 | The function that is called when the OutputType XSD type is seen |
402 | |
403 | int OutputType_function Returns 0 if no error occured or something else otherwise. |
404 | |
405 | const char *_tag_ Set to the name of the element tag that triggered this function call. |
406 | |
407 | int _type_ Set to XMLPARSE_TAG_START at the start of a tag and/or XMLPARSE_TAG_END at the end of a tag. |
408 | |
409 | const char *k The contents of the 'k' attribute (or NULL if not defined). |
410 | |
411 | const char *v The contents of the 'v' attribute (or NULL if not defined). |
412 | ++++++++++++++++++++++++++++++++++++++*/ |
413 | |
414 | static int OutputType_function(const char *_tag_,int _type_,const char *k,const char *v) |
415 | { |
416 | if(_type_&XMLPARSE_TAG_START) |
417 | AppendTaggingAction(current_list,k,v,TAGACTION_OUTPUT,NULL); |
418 | |
419 | return(0); |
420 | } |
421 | |
422 | |
423 | /*++++++++++++++++++++++++++++++++++++++ |
424 | The function that is called when the LogErrorType XSD type is seen |
425 | |
426 | int LogErrorType_function Returns 0 if no error occured or something else otherwise. |
427 | |
428 | const char *_tag_ Set to the name of the element tag that triggered this function call. |
429 | |
430 | int _type_ Set to XMLPARSE_TAG_START at the start of a tag and/or XMLPARSE_TAG_END at the end of a tag. |
431 | |
432 | const char *k The contents of the 'k' attribute (or NULL if not defined). |
433 | |
434 | const char *v The contents of the 'v' attribute (or NULL if not defined). |
435 | |
436 | const char *message The contents of the 'message' attribute (or NULL if not defined). |
437 | ++++++++++++++++++++++++++++++++++++++*/ |
438 | |
439 | static int LogErrorType_function(const char *_tag_,int _type_,const char *k,const char *v,const char *message) |
440 | { |
441 | if(_type_&XMLPARSE_TAG_START) |
442 | AppendTaggingAction(current_list,k,v,TAGACTION_LOGERROR,message); |
443 | |
444 | return(0); |
445 | } |
446 | |
447 | |
448 | /*++++++++++++++++++++++++++++++++++++++ |
449 | The XML tagging rules parser. |
450 | |
451 | int ParseXMLTaggingRules Returns 0 if OK or something else in case of an error. |
452 | |
453 | const char *filename The name of the file to read. |
454 | ++++++++++++++++++++++++++++++++++++++*/ |
455 | |
456 | int ParseXMLTaggingRules(const char *filename) |
457 | { |
458 | int fd; |
459 | int retval; |
460 | |
461 | if(!ExistsFile(filename)) |
462 | { |
463 | fprintf(stderr,"Error: Specified tagging rules file '%s' does not exist.\n",filename); |
464 | return(1); |
465 | } |
466 | |
467 | fd=ReOpenFile(filename); |
468 | |
469 | retval=ParseXML(fd,xml_toplevel_tags,XMLPARSE_UNKNOWN_ATTR_ERRNONAME); |
470 | |
471 | CloseFile(fd); |
472 | |
473 | if(current_list_stack) |
474 | free(current_list_stack); |
475 | |
476 | if(retval) |
477 | return(1); |
478 | |
479 | return(0); |
480 | } |
481 | |
482 | |
483 | /*++++++++++++++++++++++++++++++++++++++ |
484 | Delete the tagging rules loaded from the XML file. |
485 | ++++++++++++++++++++++++++++++++++++++*/ |
486 | |
487 | void DeleteXMLTaggingRules(void) |
488 | { |
489 | DeleteTaggingRuleList(&NodeRules); |
490 | DeleteTaggingRuleList(&WayRules); |
491 | DeleteTaggingRuleList(&RelationRules); |
492 | } |
493 | |
494 | |
495 | /*++++++++++++++++++++++++++++++++++++++ |
496 | Append a tagging rule to the list of rules. |
497 | |
498 | TaggingRuleList *AppendTaggingRule Returns the new TaggingRuleList inside the new TaggingRule. |
499 | |
500 | TaggingRuleList *rules The list of rules to add to. |
501 | |
502 | const char *k The tag key. |
503 | |
504 | const char *v The tag value. |
505 | |
506 | int action Set to the type of action. |
507 | ++++++++++++++++++++++++++++++++++++++*/ |
508 | |
509 | TaggingRuleList *AppendTaggingRule(TaggingRuleList *rules,const char *k,const char *v,int action) |
510 | { |
511 | if((rules->nrules%16)==0) |
512 | rules->rules=(TaggingRule*)realloc((void*)rules->rules,(rules->nrules+16)*sizeof(TaggingRule)); |
513 | |
514 | rules->nrules++; |
515 | |
516 | rules->rules[rules->nrules-1].action=action; |
517 | |
518 | if(k) |
519 | rules->rules[rules->nrules-1].k=strcpy(malloc(strlen(k)+1),k); |
520 | else |
521 | rules->rules[rules->nrules-1].k=NULL; |
522 | |
523 | if(v) |
524 | rules->rules[rules->nrules-1].v=strcpy(malloc(strlen(v)+1),v); |
525 | else |
526 | rules->rules[rules->nrules-1].v=NULL; |
527 | |
528 | rules->rules[rules->nrules-1].message=NULL; |
529 | |
530 | rules->rules[rules->nrules-1].rulelist=(TaggingRuleList*)calloc(sizeof(TaggingRuleList),1); |
531 | |
532 | return(rules->rules[rules->nrules-1].rulelist); |
533 | } |
534 | |
535 | |
536 | /*++++++++++++++++++++++++++++++++++++++ |
537 | Append a tagging action to the list of rules. |
538 | |
539 | TaggingRuleList *rules The list of rules to add to. |
540 | |
541 | const char *k The tag key. |
542 | |
543 | const char *v The tag value. |
544 | |
545 | int action Set to the type of action. |
546 | |
547 | const char *message The message to use for the logerror action. |
548 | ++++++++++++++++++++++++++++++++++++++*/ |
549 | |
550 | static void AppendTaggingAction(TaggingRuleList *rules,const char *k,const char *v,int action,const char *message) |
551 | { |
552 | if((rules->nrules%16)==0) |
553 | rules->rules=(TaggingRule*)realloc((void*)rules->rules,(rules->nrules+16)*sizeof(TaggingRule)); |
554 | |
555 | rules->nrules++; |
556 | |
557 | rules->rules[rules->nrules-1].action=action; |
558 | |
559 | if(k) |
560 | rules->rules[rules->nrules-1].k=strcpy(malloc(strlen(k)+1),k); |
561 | else |
562 | rules->rules[rules->nrules-1].k=NULL; |
563 | |
564 | if(v) |
565 | rules->rules[rules->nrules-1].v=strcpy(malloc(strlen(v)+1),v); |
566 | else |
567 | rules->rules[rules->nrules-1].v=NULL; |
568 | |
569 | if(message) |
570 | rules->rules[rules->nrules-1].message=strcpy(malloc(strlen(message)+1),message); |
571 | else |
572 | rules->rules[rules->nrules-1].message=default_logerror_message; |
573 | |
574 | rules->rules[rules->nrules-1].rulelist=NULL; |
575 | } |
576 | |
577 | |
578 | /*++++++++++++++++++++++++++++++++++++++ |
579 | Delete a tagging rule. |
580 | |
581 | TaggingRuleList *rules The list of rules to be deleted. |
582 | ++++++++++++++++++++++++++++++++++++++*/ |
583 | |
584 | void DeleteTaggingRuleList(TaggingRuleList *rules) |
585 | { |
586 | int i; |
587 | |
588 | for(i=0;i<rules->nrules;i++) |
589 | { |
590 | if(rules->rules[i].k) |
591 | free(rules->rules[i].k); |
592 | if(rules->rules[i].v) |
593 | free(rules->rules[i].v); |
594 | if(rules->rules[i].message && rules->rules[i].message!=default_logerror_message) |
595 | free(rules->rules[i].message); |
596 | |
597 | if(rules->rules[i].rulelist) |
598 | { |
599 | DeleteTaggingRuleList(rules->rules[i].rulelist); |
600 | free(rules->rules[i].rulelist); |
601 | } |
602 | } |
603 | |
604 | if(rules->rules) |
605 | free(rules->rules); |
606 | } |
607 | |
608 | |
609 | /*++++++++++++++++++++++++++++++++++++++ |
610 | Create a new TagList structure. |
611 | |
612 | TagList *NewTagList Returns the new allocated TagList. |
613 | ++++++++++++++++++++++++++++++++++++++*/ |
614 | |
615 | TagList *NewTagList(void) |
616 | { |
617 | return((TagList*)calloc(sizeof(TagList),1)); |
618 | } |
619 | |
620 | |
621 | /*++++++++++++++++++++++++++++++++++++++ |
622 | Delete a tag list and the contents. |
623 | |
624 | TagList *tags The list of tags to delete. |
625 | ++++++++++++++++++++++++++++++++++++++*/ |
626 | |
627 | void DeleteTagList(TagList *tags) |
628 | { |
629 | int i; |
630 | |
631 | for(i=0;i<tags->ntags;i++) |
632 | { |
633 | if(tags->k[i]) free(tags->k[i]); |
634 | if(tags->v[i]) free(tags->v[i]); |
635 | } |
636 | |
637 | if(tags->k) free(tags->k); |
638 | if(tags->v) free(tags->v); |
639 | |
640 | free(tags); |
641 | } |
642 | |
643 | |
644 | /*++++++++++++++++++++++++++++++++++++++ |
645 | Append a tag to the list of tags. |
646 | |
647 | TagList *tags The list of tags to add to. |
648 | |
649 | const char *k The tag key. |
650 | |
651 | const char *v The tag value. |
652 | ++++++++++++++++++++++++++++++++++++++*/ |
653 | |
654 | void AppendTag(TagList *tags,const char *k,const char *v) |
655 | { |
656 | if((tags->ntags%8)==0) |
657 | { |
658 | int i; |
659 | |
660 | tags->k=(char**)realloc((void*)tags->k,(tags->ntags+8)*sizeof(char*)); |
661 | tags->v=(char**)realloc((void*)tags->v,(tags->ntags+8)*sizeof(char*)); |
662 | |
663 | for(i=tags->ntags;i<(tags->ntags+8);i++) |
664 | tags->k[i]=tags->v[i]=NULL; |
665 | } |
666 | |
667 | tags->k[tags->ntags]=strcpy(realloc(tags->k[tags->ntags],strlen(k)+1),k); |
668 | tags->v[tags->ntags]=strcpy(realloc(tags->v[tags->ntags],strlen(v)+1),v); |
669 | |
670 | tags->ntags++; |
671 | } |
672 | |
673 | |
674 | /*++++++++++++++++++++++++++++++++++++++ |
675 | Modify an existing tag or append a new tag to the list of tags. |
676 | |
677 | TagList *tags The list of tags to modify. |
678 | |
679 | const char *k The tag key. |
680 | |
681 | const char *v The tag value. |
682 | ++++++++++++++++++++++++++++++++++++++*/ |
683 | |
684 | void ModifyTag(TagList *tags,const char *k,const char *v) |
685 | { |
686 | int i; |
687 | |
688 | for(i=0;i<tags->ntags;i++) |
689 | if(!strcmp(tags->k[i],k)) |
690 | { |
691 | tags->v[i]=strcpy(realloc(tags->v[i],strlen(v)+1),v); |
692 | return; |
693 | } |
694 | |
695 | AppendTag(tags,k,v); |
696 | } |
697 | |
698 | |
699 | /*++++++++++++++++++++++++++++++++++++++ |
700 | Delete an existing tag from the list of tags. |
701 | |
702 | TagList *tags The list of tags to modify. |
703 | |
704 | const char *k The tag key. |
705 | ++++++++++++++++++++++++++++++++++++++*/ |
706 | |
707 | void DeleteTag(TagList *tags,const char *k) |
708 | { |
709 | int i,j; |
710 | |
711 | for(i=0;i<tags->ntags;i++) |
712 | if(!strcmp(tags->k[i],k)) |
713 | { |
714 | if(tags->k[i]) free(tags->k[i]); |
715 | if(tags->v[i]) free(tags->v[i]); |
716 | |
717 | for(j=i+1;j<tags->ntags;j++) |
718 | { |
719 | tags->k[j-1]=tags->k[j]; |
720 | tags->v[j-1]=tags->v[j]; |
721 | } |
722 | |
723 | tags->ntags--; |
724 | |
725 | tags->k[tags->ntags]=NULL; |
726 | tags->v[tags->ntags]=NULL; |
727 | |
728 | return; |
729 | } |
730 | } |
731 | |
732 | |
733 | /*++++++++++++++++++++++++++++++++++++++ |
734 | Create a string containing all of the tags formatted as if HTML. |
735 | |
736 | char *StringifyTag Returns a static pointer to the created string. |
737 | |
738 | TagList *tags The list of tags to convert. |
739 | ++++++++++++++++++++++++++++++++++++++*/ |
740 | |
741 | char *StringifyTag(TagList *tags) |
742 | { |
743 | static char *string=NULL; |
744 | int i,length=0,used=0; |
745 | |
746 | for(i=0;i<tags->ntags;i++) |
747 | { |
748 | length+=strlen(tags->k[i]); |
749 | length+=strlen(tags->v[i]); |
750 | |
751 | length+=16; |
752 | } |
753 | |
754 | string=realloc((char*)string,length); |
755 | |
756 | for(i=0;i<tags->ntags;i++) |
757 | used+=sprintf(string+used,"<tag k='%s' v='%s'>",tags->k[i],tags->v[i]); |
758 | |
759 | return(string); |
760 | } |
761 | |
762 | |
763 | /*++++++++++++++++++++++++++++++++++++++ |
764 | Apply a set of tagging rules to a set of node tags. |
765 | |
766 | TagList *ApplyTaggingRules Returns the list of output tags after modification. |
767 | |
768 | TagList *tags The tags to be modified. |
769 | |
770 | int64_t id The ID of the node. |
771 | ++++++++++++++++++++++++++++++++++++++*/ |
772 | |
773 | TagList *ApplyNodeTaggingRules(TagList *tags,int64_t id) |
774 | { |
775 | TagList *result=NewTagList(); |
776 | |
777 | current_id=id; |
778 | current_list=&NodeRules; |
779 | |
780 | ApplyRules(current_list,tags,result,NULL,NULL); |
781 | |
782 | return(result); |
783 | } |
784 | |
785 | |
786 | /*++++++++++++++++++++++++++++++++++++++ |
787 | Apply a set of tagging rules to a set of way tags. |
788 | |
789 | TagList *ApplyTaggingRules Returns the list of output tags after modification. |
790 | |
791 | TagList *tags The tags to be modified. |
792 | |
793 | int64_t id The ID of the way. |
794 | ++++++++++++++++++++++++++++++++++++++*/ |
795 | |
796 | TagList *ApplyWayTaggingRules(TagList *tags,int64_t id) |
797 | { |
798 | TagList *result=NewTagList(); |
799 | |
800 | current_id=id; |
801 | current_list=&WayRules; |
802 | |
803 | ApplyRules(current_list,tags,result,NULL,NULL); |
804 | |
805 | return(result); |
806 | } |
807 | |
808 | |
809 | /*++++++++++++++++++++++++++++++++++++++ |
810 | Apply a set of tagging rules to a set of relation tags. |
811 | |
812 | TagList *ApplyTaggingRules Returns the list of output tags after modification. |
813 | |
814 | TagList *tags The tags to be modified. |
815 | |
816 | int64_t id The ID of the relation. |
817 | ++++++++++++++++++++++++++++++++++++++*/ |
818 | |
819 | TagList *ApplyRelationTaggingRules(TagList *tags,int64_t id) |
820 | { |
821 | TagList *result=NewTagList(); |
822 | |
823 | current_id=id; |
824 | current_list=&RelationRules; |
825 | |
826 | ApplyRules(current_list,tags,result,NULL,NULL); |
827 | |
828 | return(result); |
829 | } |
830 | |
831 | |
832 | /*++++++++++++++++++++++++++++++++++++++ |
833 | Apply a set of rules to a matching tag. |
834 | |
835 | TaggingRuleList *rules The rules that are to be matched. |
836 | |
837 | TagList *input The input tags. |
838 | |
839 | TagList *output The output tags. |
840 | |
841 | const char *match_k The key matched at the higher level rule. |
842 | |
843 | const char *match_v The value matched at the higher level rule. |
844 | ++++++++++++++++++++++++++++++++++++++*/ |
845 | |
846 | static void ApplyRules(TaggingRuleList *rules,TagList *input,TagList *output,const char *match_k,const char *match_v) |
847 | { |
848 | int i,j; |
849 | char *match_k_copy=NULL,*match_v_copy=NULL; |
850 | |
851 | if(match_k) |
852 | match_k_copy=strcpy(malloc(strlen(match_k)+1),match_k); |
853 | |
854 | if(match_v) |
855 | match_v_copy=strcpy(malloc(strlen(match_v)+1),match_v); |
856 | |
857 | for(i=0;i<rules->nrules;i++) |
858 | { |
859 | const char *k,*v; |
860 | |
861 | k=rules->rules[i].k; |
862 | |
863 | if(!k && rules->rules[i].action >= TAGACTION_INHERIT) |
864 | k=match_k_copy; |
865 | |
866 | v=rules->rules[i].v; |
867 | |
868 | if(!v && rules->rules[i].action >= TAGACTION_INHERIT) |
869 | v=match_v_copy; |
870 | |
871 | switch(rules->rules[i].action) |
872 | { |
873 | case TAGACTION_IF: |
874 | if(k && v) |
875 | { |
876 | for(j=0;j<input->ntags;j++) |
877 | if(!strcmp(input->k[j],k) && !strcmp(input->v[j],v)) |
878 | ApplyRules(rules->rules[i].rulelist,input,output,input->k[j],input->v[j]); |
879 | } |
880 | else if(k && !v) |
881 | { |
882 | for(j=0;j<input->ntags;j++) |
883 | if(!strcmp(input->k[j],k)) |
884 | ApplyRules(rules->rules[i].rulelist,input,output,input->k[j],input->v[j]); |
885 | } |
886 | else if(!k && v) |
887 | { |
888 | for(j=0;j<input->ntags;j++) |
889 | if(!strcmp(input->v[j],v)) |
890 | ApplyRules(rules->rules[i].rulelist,input,output,input->k[j],input->v[j]); |
891 | } |
892 | else /* if(!k && !v) */ |
893 | { |
894 | for(j=0;j<input->ntags;j++) |
895 | ApplyRules(rules->rules[i].rulelist,input,output,input->k[j],input->v[j]); |
896 | } |
897 | break; |
898 | |
899 | case TAGACTION_IFNOT: |
900 | if(k && v) |
901 | { |
902 | for(j=0;j<input->ntags;j++) |
903 | if(!strcmp(input->k[j],k) && !strcmp(input->v[j],v)) |
904 | break; |
905 | |
906 | if(j!=input->ntags) |
907 | break; |
908 | } |
909 | else if(k && !v) |
910 | { |
911 | for(j=0;j<input->ntags;j++) |
912 | if(!strcmp(input->k[j],k)) |
913 | break; |
914 | |
915 | if(j!=input->ntags) |
916 | break; |
917 | } |
918 | else if(!k && v) |
919 | { |
920 | for(j=0;j<input->ntags;j++) |
921 | if(!strcmp(input->v[j],v)) |
922 | break; |
923 | |
924 | if(j!=input->ntags) |
925 | break; |
926 | } |
927 | else /* if(!k && !v) */ |
928 | { |
929 | break; |
930 | } |
931 | |
932 | ApplyRules(rules->rules[i].rulelist,input,output,k,v); |
933 | break; |
934 | |
935 | case TAGACTION_SET: |
936 | ModifyTag(input,k,v); |
937 | break; |
938 | |
939 | case TAGACTION_UNSET: |
940 | DeleteTag(input,k); |
941 | break; |
942 | |
943 | case TAGACTION_OUTPUT: |
944 | ModifyTag(output,k,v); |
945 | break; |
946 | |
947 | case TAGACTION_LOGERROR: |
948 | if(rules->rules[i].k && !rules->rules[i].v) |
949 | for(j=0;j<input->ntags;j++) |
950 | if(!strcmp(input->k[j],rules->rules[i].k)) |
951 | { |
952 | v=input->v[j]; |
953 | break; |
954 | } |
955 | |
956 | if(current_list==&NodeRules) |
957 | logerror("Node %"Pnode_t" has an unrecognised tag '%s' = '%s' (in tagging rules); %s.\n",logerror_node(current_id),k,v,rules->rules[i].message); |
958 | if(current_list==&WayRules) |
959 | logerror("Way %"Pway_t" has an unrecognised tag '%s' = '%s' (in tagging rules); %s.\n",logerror_way(current_id),k,v,rules->rules[i].message); |
960 | if(current_list==&RelationRules) |
961 | logerror("Relation %"Prelation_t" has an unrecognised tag '%s' = '%s' (in tagging rules); %s.\n",logerror_relation(current_id),k,v,rules->rules[i].message); |
962 | } |
963 | } |
964 | |
965 | if(match_k_copy) free(match_k_copy); |
966 | if(match_v_copy) free(match_v_copy); |
967 | } |
Properties
Name | Value |
---|---|
cvs:description | Functions for reading the tag transformation rules and applying them. |