1 | // License: GPL. For details, see LICENSE file.
|
---|
2 | options {
|
---|
3 | STATIC = false;
|
---|
4 | OUTPUT_DIRECTORY = "parsergen";
|
---|
5 | }
|
---|
6 |
|
---|
7 | PARSER_BEGIN(MapCSSParser)
|
---|
8 | package org.openstreetmap.josm.gui.mappaint.mapcss.parsergen;
|
---|
9 |
|
---|
10 | import java.awt.Color;
|
---|
11 | import java.util.ArrayList;
|
---|
12 | import java.util.List;
|
---|
13 |
|
---|
14 | import org.openstreetmap.josm.gui.mappaint.Keyword;
|
---|
15 | import org.openstreetmap.josm.gui.mappaint.mapcss.Condition;
|
---|
16 | import org.openstreetmap.josm.gui.mappaint.mapcss.Condition.Context;
|
---|
17 | import org.openstreetmap.josm.gui.mappaint.mapcss.Expression;
|
---|
18 | import org.openstreetmap.josm.gui.mappaint.mapcss.Instruction;
|
---|
19 | import org.openstreetmap.josm.gui.mappaint.mapcss.MapCSSRule;
|
---|
20 | import org.openstreetmap.josm.gui.mappaint.mapcss.MapCSSStyleSource;
|
---|
21 | import org.openstreetmap.josm.gui.mappaint.mapcss.Selector;
|
---|
22 | import org.openstreetmap.josm.gui.mappaint.mapcss.ExpressionFactory;
|
---|
23 | import org.openstreetmap.josm.gui.mappaint.mapcss.LiteralExpression;
|
---|
24 | import org.openstreetmap.josm.gui.mappaint.mapcss.MapCSSException;
|
---|
25 | import org.openstreetmap.josm.gui.mappaint.mapcss.Selector.ChildOrParentSelector;
|
---|
26 | import org.openstreetmap.josm.gui.mappaint.mapcss.Selector.GeneralSelector;
|
---|
27 | import org.openstreetmap.josm.gui.mappaint.mapcss.Selector.LinkSelector;
|
---|
28 | import org.openstreetmap.josm.tools.ColorHelper;
|
---|
29 | import org.openstreetmap.josm.tools.Pair;
|
---|
30 | import org.openstreetmap.josm.tools.Utils;
|
---|
31 | import org.openstreetmap.josm.Main;
|
---|
32 |
|
---|
33 | public class MapCSSParser {
|
---|
34 | MapCSSStyleSource sheet;
|
---|
35 | }
|
---|
36 | PARSER_END(MapCSSParser)
|
---|
37 |
|
---|
38 | /*************
|
---|
39 | * Token definitions
|
---|
40 | */
|
---|
41 |
|
---|
42 | <DEFAULT>
|
---|
43 | TOKEN [IGNORE_CASE]:
|
---|
44 | {
|
---|
45 | /* Special keywords in some contexts, ordinary identifiers in other contexts.
|
---|
46 | Don't use the javacc token contexts (except DEFAULT and COMMENT) because
|
---|
47 | they complicate error handling. Instead simply add a parsing rule <code>ident()</code>
|
---|
48 | that parses the IDENT token and in addition all the keyword tokens. */
|
---|
49 | < AND: "and" >
|
---|
50 | | < SET: "set" >
|
---|
51 | | < NOT: "not" >
|
---|
52 | | < MEDIA: "@media" >
|
---|
53 | }
|
---|
54 |
|
---|
55 | <DEFAULT>
|
---|
56 | TOKEN:
|
---|
57 | {
|
---|
58 | < IDENT: ["a"-"z","A"-"Z","_"] ( ["a"-"z","A"-"Z","_","-","0"-"9"] )* >
|
---|
59 | | < UINT: ["1"-"9"] ( ["0"-"9"] )* >
|
---|
60 | | < UFLOAT: ( ["0"-"9"] )+ ( "." ( ["0"-"9"] )+ )? >
|
---|
61 | | < STRING: "\"" ( [" ","!","#"-"[","]"-"~","\u0080"-"\uFFFF"] | "\\\"" | "\\\\" )* "\"" >
|
---|
62 | | < #PREDEFINED: "\\" ["d","D","s","S","w","W"] >
|
---|
63 | | < #REGEX_CHAR_WITHOUT_STAR: [" "-")","+"-".","0"-"[","]"-"~","\u0080"-"\uFFFF"] | "\\/" | "\\\\" | "\\[" | "\\]" | "\\+" | "\\." | "\\'" | "\\\"" | <PREDEFINED> >
|
---|
64 | | < REGEX: "/" <REGEX_CHAR_WITHOUT_STAR> ( <REGEX_CHAR_WITHOUT_STAR> | "*" )* "/" >
|
---|
65 | | < #H: ["0"-"9","a"-"f","A"-"F"] >
|
---|
66 | | < HEXCOLOR: "#" ( <H><H><H><H><H><H><H><H> | <H><H><H><H><H><H> | <H><H><H> ) >
|
---|
67 | | < S: ( " " | "\t" | "\n" | "\r" | "\f" )+ >
|
---|
68 | | < STAR: "*" >
|
---|
69 | | < SLASH: "/" >
|
---|
70 | | < LBRACE: "{" >
|
---|
71 | | < RBRACE: "}" >
|
---|
72 | | < LSQUARE: "[" >
|
---|
73 | | < RSQUARE: "]" >
|
---|
74 | | < LPAR: "(" >
|
---|
75 | | < RPAR: ")" >
|
---|
76 | | < GREATER_EQUAL: ">=" >
|
---|
77 | | < LESS_EQUAL: "<=" >
|
---|
78 | | < GREATER: ">" >
|
---|
79 | | < LESS: "<" >
|
---|
80 | | < EQUAL: "=" >
|
---|
81 | | < EXCLAMATION: "!" >
|
---|
82 | | < TILDE: "~" >
|
---|
83 | | < COLON: ":" >
|
---|
84 | | < DCOLON: "::" >
|
---|
85 | | < SEMICOLON: ";" >
|
---|
86 | | < COMMA: "," >
|
---|
87 | | < PIPE: "|" >
|
---|
88 | | < PIPE_Z: "|z" >
|
---|
89 | | < PLUS: "+" >
|
---|
90 | | < MINUS: "-" >
|
---|
91 | | < AMPERSAND: "&" >
|
---|
92 | | < QUESTION: "?" >
|
---|
93 | | < DOLLAR: "$" >
|
---|
94 | | < CARET: "^" >
|
---|
95 | | < FULLSTOP: "." >
|
---|
96 | | < ELEMENT_OF: "∈" >
|
---|
97 | | < CROSSING: "⧉" >
|
---|
98 | | < COMMENT_START: "/*" > : COMMENT
|
---|
99 | | < UNEXPECTED_CHAR : ~[] > // avoid TokenMgrErrors because they are hard to recover from
|
---|
100 | }
|
---|
101 |
|
---|
102 | <COMMENT>
|
---|
103 | TOKEN:
|
---|
104 | {
|
---|
105 | < COMMENT_END: "*/" > : DEFAULT
|
---|
106 | }
|
---|
107 |
|
---|
108 | <COMMENT>
|
---|
109 | SKIP:
|
---|
110 | {
|
---|
111 | < ~[] >
|
---|
112 | }
|
---|
113 |
|
---|
114 | /*************
|
---|
115 | * Parser definitions
|
---|
116 | *
|
---|
117 | * rule
|
---|
118 | * _______________________|______________________________
|
---|
119 | * | |
|
---|
120 | * selector declaration
|
---|
121 | * _________|___________________ _________|____________
|
---|
122 | * | | | |
|
---|
123 | *
|
---|
124 | * way|z11-12[highway=residential] { color: red; width: 3 }
|
---|
125 | *
|
---|
126 | * |_____||___________________| |_________|
|
---|
127 | * | | |
|
---|
128 | * zoom condition instruction
|
---|
129 | *
|
---|
130 | * more general:
|
---|
131 | *
|
---|
132 | * way|z13-[a=b][c=d]::subpart, way|z-3[u=v]:closed::subpart2 { p1 : val; p2 : val; }
|
---|
133 | *
|
---|
134 | * 'val' can be a literal, or an expression like "prop(width, default) + 0.8".
|
---|
135 | *
|
---|
136 | * @media { ... } queries are supported, following http://www.w3.org/TR/css3-mediaqueries/#syntax
|
---|
137 | *
|
---|
138 | * media_query
|
---|
139 | * ___________________________|_______________________________
|
---|
140 | * | |
|
---|
141 | * @media all and (min-josm-version: 7789) and (max-josm-version: 7790), all and (user-agent: xyz) { ... }
|
---|
142 | * |______________________|
|
---|
143 | * |
|
---|
144 | * media_expression
|
---|
145 | */
|
---|
146 |
|
---|
147 | int uint() :
|
---|
148 | {
|
---|
149 | Token i;
|
---|
150 | }
|
---|
151 | {
|
---|
152 | i=<UINT> { return Integer.parseInt(i.image); }
|
---|
153 | }
|
---|
154 |
|
---|
155 | int int_() :
|
---|
156 | {
|
---|
157 | int i;
|
---|
158 | }
|
---|
159 | {
|
---|
160 | <MINUS> i=uint() { return -i; } | i=uint() { return i; }
|
---|
161 | }
|
---|
162 |
|
---|
163 | float ufloat() :
|
---|
164 | {
|
---|
165 | Token f;
|
---|
166 | }
|
---|
167 | {
|
---|
168 | ( f=<UFLOAT> | f=<UINT> )
|
---|
169 | { return Float.parseFloat(f.image); }
|
---|
170 | }
|
---|
171 |
|
---|
172 | float float_() :
|
---|
173 | {
|
---|
174 | float f;
|
---|
175 | }
|
---|
176 | {
|
---|
177 | <MINUS> f=ufloat() { return -f; } | f=ufloat() { return f; }
|
---|
178 | }
|
---|
179 |
|
---|
180 | String string() :
|
---|
181 | {
|
---|
182 | Token t;
|
---|
183 | }
|
---|
184 | {
|
---|
185 | t=<STRING>
|
---|
186 | { return t.image.substring(1, t.image.length() - 1).replace("\\\"", "\"").replace("\\\\", "\\"); }
|
---|
187 | }
|
---|
188 |
|
---|
189 | String ident():
|
---|
190 | {
|
---|
191 | Token t;
|
---|
192 | String s;
|
---|
193 | }
|
---|
194 | {
|
---|
195 | ( t=<IDENT> | t=<SET> | t=<NOT> | t=<AND> ) { return t.image; }
|
---|
196 | }
|
---|
197 |
|
---|
198 | String string_or_ident() :
|
---|
199 | {
|
---|
200 | Token t;
|
---|
201 | String s;
|
---|
202 | }
|
---|
203 | {
|
---|
204 | ( s=ident() | s=string() ) { return s; }
|
---|
205 | }
|
---|
206 |
|
---|
207 | String regex() :
|
---|
208 | {
|
---|
209 | Token t;
|
---|
210 | }
|
---|
211 | {
|
---|
212 | t=<REGEX>
|
---|
213 | { return t.image.substring(1, t.image.length() - 1); }
|
---|
214 | }
|
---|
215 |
|
---|
216 | /**
|
---|
217 | * white-space
|
---|
218 | */
|
---|
219 | void s() :
|
---|
220 | {
|
---|
221 | }
|
---|
222 | {
|
---|
223 | ( <S> )?
|
---|
224 | }
|
---|
225 |
|
---|
226 | /**
|
---|
227 | * mix of white-space and comments
|
---|
228 | */
|
---|
229 | void w() :
|
---|
230 | {
|
---|
231 | }
|
---|
232 | {
|
---|
233 | ( <S> | <COMMENT_START> <COMMENT_END> )*
|
---|
234 | }
|
---|
235 |
|
---|
236 | /**
|
---|
237 | * comma delimited list of floats (at least 2, all >= 0)
|
---|
238 | */
|
---|
239 | List<Float> float_array() :
|
---|
240 | {
|
---|
241 | float f;
|
---|
242 | List<Float> fs = new ArrayList<Float>();
|
---|
243 | }
|
---|
244 | {
|
---|
245 | f=ufloat() { fs.add(f); }
|
---|
246 | (
|
---|
247 | <COMMA> s()
|
---|
248 | f=ufloat() { fs.add(f); }
|
---|
249 | )+
|
---|
250 | {
|
---|
251 | return fs;
|
---|
252 | }
|
---|
253 | }
|
---|
254 |
|
---|
255 | /**
|
---|
256 | * root
|
---|
257 | */
|
---|
258 | void sheet(MapCSSStyleSource sheet):
|
---|
259 | {
|
---|
260 | MapCSSRule r;
|
---|
261 | }
|
---|
262 | {
|
---|
263 | { this.sheet = sheet; }
|
---|
264 | w()
|
---|
265 | rules(true) ( media() w() rules(true) )*
|
---|
266 | <EOF>
|
---|
267 | }
|
---|
268 |
|
---|
269 | void media():
|
---|
270 | {
|
---|
271 | boolean pass = false;
|
---|
272 | boolean q;
|
---|
273 | boolean empty = true;
|
---|
274 | }
|
---|
275 | {
|
---|
276 | <MEDIA> w()
|
---|
277 | ( q=media_query() { pass = pass || q; empty = false; }
|
---|
278 | ( <COMMA> w() q=media_query() { pass = pass || q; } )*
|
---|
279 | )?
|
---|
280 | <LBRACE> w()
|
---|
281 | rules(empty || pass)
|
---|
282 | <RBRACE>
|
---|
283 | }
|
---|
284 |
|
---|
285 | boolean media_query():
|
---|
286 | {
|
---|
287 | Token t;
|
---|
288 | String mediatype = "all";
|
---|
289 | boolean pass = true;
|
---|
290 | boolean invert = false;
|
---|
291 | boolean e;
|
---|
292 | }
|
---|
293 | {
|
---|
294 | ( <NOT> { invert = true; } w() )?
|
---|
295 | (
|
---|
296 | t=<IDENT> { mediatype = t.image.toLowerCase(); } w()
|
---|
297 | ( <AND> w() e=media_expression() { pass = pass && e; } w() )*
|
---|
298 | |
|
---|
299 | e=media_expression() { pass = pass && e; } w()
|
---|
300 | ( <AND> w() e=media_expression() { pass = pass && e; } w() )*
|
---|
301 | )
|
---|
302 | {
|
---|
303 | if (!"all".equals(mediatype)) {
|
---|
304 | pass = false;
|
---|
305 | }
|
---|
306 | return invert ? (!pass) : pass;
|
---|
307 | }
|
---|
308 | }
|
---|
309 |
|
---|
310 | boolean media_expression():
|
---|
311 | {
|
---|
312 | Token t;
|
---|
313 | String feature;
|
---|
314 | Object val = null;
|
---|
315 | }
|
---|
316 | {
|
---|
317 | <LPAR> w() t=<IDENT> { feature = t.image; } w() ( <COLON> w() val=literal() )? <RPAR>
|
---|
318 | { return this.sheet.evalMediaExpression(feature, val); }
|
---|
319 | }
|
---|
320 |
|
---|
321 | void rules(boolean add):
|
---|
322 | {
|
---|
323 | MapCSSRule r;
|
---|
324 | }
|
---|
325 | {
|
---|
326 | (
|
---|
327 | try {
|
---|
328 | r=rule() { if (add && r != null) { sheet.rules.add(r); } } w()
|
---|
329 | } catch (MapCSSException mex) {
|
---|
330 | error_skipto(RBRACE, mex);
|
---|
331 | w();
|
---|
332 | } catch (ParseException ex) {
|
---|
333 | error_skipto(RBRACE, null);
|
---|
334 | w();
|
---|
335 | }
|
---|
336 | )*
|
---|
337 | }
|
---|
338 |
|
---|
339 | MapCSSRule rule():
|
---|
340 | {
|
---|
341 | List<Selector> selectors = new ArrayList<Selector>();
|
---|
342 | Selector sel;
|
---|
343 | List<Instruction> decl;
|
---|
344 | }
|
---|
345 | {
|
---|
346 | sel=child_selector() { selectors.add(sel); }
|
---|
347 | (
|
---|
348 | <COMMA> w()
|
---|
349 | sel=child_selector() { selectors.add(sel); }
|
---|
350 | )*
|
---|
351 | decl=declaration()
|
---|
352 | { return new MapCSSRule(selectors, decl); }
|
---|
353 | }
|
---|
354 |
|
---|
355 | Selector child_selector() :
|
---|
356 | {
|
---|
357 | Selector.ChildOrParentSelectorType type = null;
|
---|
358 | Condition c;
|
---|
359 | List<Condition> conditions = new ArrayList<Condition>();
|
---|
360 | Selector selLeft;
|
---|
361 | LinkSelector selLink = null;
|
---|
362 | Selector selRight = null;
|
---|
363 | }
|
---|
364 | {
|
---|
365 | selLeft=selector() w()
|
---|
366 | (
|
---|
367 | (
|
---|
368 | ( <GREATER> { type = Selector.ChildOrParentSelectorType.CHILD; } | <LESS> { type = Selector.ChildOrParentSelectorType.PARENT; } )
|
---|
369 | ( ( c=condition(Context.LINK) | c=class_or_pseudoclass(Context.LINK) ) { conditions.add(c); } )*
|
---|
370 | |
|
---|
371 | <ELEMENT_OF> { type = Selector.ChildOrParentSelectorType.ELEMENT_OF; }
|
---|
372 | |
|
---|
373 | <CROSSING> { type = Selector.ChildOrParentSelectorType.CROSSING; }
|
---|
374 | )
|
---|
375 | { selLink = new LinkSelector(conditions); }
|
---|
376 | w()
|
---|
377 | selRight=selector() w()
|
---|
378 | )?
|
---|
379 | { return selRight != null ? new ChildOrParentSelector(selLeft, selLink, selRight, type) : selLeft; }
|
---|
380 | }
|
---|
381 |
|
---|
382 | Selector selector() :
|
---|
383 | {
|
---|
384 | Token base;
|
---|
385 | Condition c;
|
---|
386 | Pair<Integer, Integer> r = null;
|
---|
387 | List<Condition> conditions = new ArrayList<Condition>();
|
---|
388 | String sub = null;
|
---|
389 | }
|
---|
390 | {
|
---|
391 | ( base=<IDENT> | base=<STAR> )
|
---|
392 | ( r=zoom() )?
|
---|
393 | ( ( c=condition(Context.PRIMITIVE) | c=class_or_pseudoclass(Context.PRIMITIVE) ) { conditions.add(c); } )*
|
---|
394 | ( sub=subpart() )?
|
---|
395 | { return new GeneralSelector(base.image, r, conditions, sub); }
|
---|
396 | }
|
---|
397 |
|
---|
398 | Pair<Integer, Integer> zoom() :
|
---|
399 | {
|
---|
400 | Integer min = 0;
|
---|
401 | Integer max = Integer.MAX_VALUE;
|
---|
402 | }
|
---|
403 | {
|
---|
404 | <PIPE_Z>
|
---|
405 | (
|
---|
406 | <MINUS> max=uint()
|
---|
407 | |
|
---|
408 | LOOKAHEAD(2)
|
---|
409 | min=uint() <MINUS> ( max=uint() )?
|
---|
410 | |
|
---|
411 | min=uint() { max = min; }
|
---|
412 | )
|
---|
413 | { return new Pair<Integer, Integer>(min, max); }
|
---|
414 | }
|
---|
415 |
|
---|
416 | Condition condition(Context context) :
|
---|
417 | {
|
---|
418 | Condition c;
|
---|
419 | Expression e;
|
---|
420 | }
|
---|
421 | {
|
---|
422 | <LSQUARE> s()
|
---|
423 | (
|
---|
424 | LOOKAHEAD( simple_key_condition(context) s() <RSQUARE> )
|
---|
425 | c=simple_key_condition(context) s() <RSQUARE> { return c; }
|
---|
426 | |
|
---|
427 | LOOKAHEAD( simple_key_value_condition(context) s() <RSQUARE> )
|
---|
428 | c=simple_key_value_condition(context) s() <RSQUARE> { return c; }
|
---|
429 | |
|
---|
430 | e=expression() <RSQUARE> { return Condition.createExpressionCondition(e, context); }
|
---|
431 | )
|
---|
432 | }
|
---|
433 |
|
---|
434 | String tag_key() :
|
---|
435 | {
|
---|
436 | String s, s2;
|
---|
437 | Token t;
|
---|
438 | }
|
---|
439 | {
|
---|
440 | s=string() { return s; }
|
---|
441 | |
|
---|
442 | s=ident() ( <COLON> s2=ident() { s += ':' + s2; } )* { return s; }
|
---|
443 | }
|
---|
444 |
|
---|
445 | Condition simple_key_condition(Context context) :
|
---|
446 | {
|
---|
447 | boolean not = false;
|
---|
448 | Condition.KeyMatchType matchType = null;;
|
---|
449 | String key;
|
---|
450 | }
|
---|
451 | {
|
---|
452 | ( <EXCLAMATION> { not = true; } )?
|
---|
453 | (
|
---|
454 | { matchType = Condition.KeyMatchType.REGEX; } key = regex()
|
---|
455 | |
|
---|
456 | key = tag_key()
|
---|
457 | )
|
---|
458 | ( LOOKAHEAD(2) <QUESTION> <EXCLAMATION> { matchType = Condition.KeyMatchType.FALSE; } )?
|
---|
459 | ( <QUESTION> { matchType = Condition.KeyMatchType.TRUE; } )?
|
---|
460 | { return Condition.createKeyCondition(key, not, matchType, context); }
|
---|
461 | }
|
---|
462 |
|
---|
463 | Condition simple_key_value_condition(Context context) :
|
---|
464 | {
|
---|
465 | String key;
|
---|
466 | String val;
|
---|
467 | float f;
|
---|
468 | int i;
|
---|
469 | Condition.Op op;
|
---|
470 | boolean considerValAsKey = false;
|
---|
471 | }
|
---|
472 | {
|
---|
473 | key=tag_key() s()
|
---|
474 | (
|
---|
475 | LOOKAHEAD(3)
|
---|
476 | (
|
---|
477 | <EQUAL> <TILDE> { op=Condition.Op.REGEX; }
|
---|
478 | |
|
---|
479 | <EXCLAMATION> <TILDE> { op=Condition.Op.NREGEX; }
|
---|
480 | )
|
---|
481 | s()
|
---|
482 | ( <STAR> { considerValAsKey=true; } )?
|
---|
483 | val=regex()
|
---|
484 | |
|
---|
485 | (
|
---|
486 | <EXCLAMATION> <EQUAL> { op=Condition.Op.NEQ; }
|
---|
487 | |
|
---|
488 | <EQUAL> { op=Condition.Op.EQ; }
|
---|
489 | |
|
---|
490 | <TILDE> <EQUAL> { op=Condition.Op.ONE_OF; }
|
---|
491 | |
|
---|
492 | <CARET> <EQUAL> { op=Condition.Op.BEGINS_WITH; }
|
---|
493 | |
|
---|
494 | <DOLLAR> <EQUAL> { op=Condition.Op.ENDS_WITH; }
|
---|
495 | |
|
---|
496 | <STAR> <EQUAL> { op=Condition.Op.CONTAINS; }
|
---|
497 | )
|
---|
498 | s()
|
---|
499 | ( <STAR> { considerValAsKey=true; } )?
|
---|
500 | (
|
---|
501 | LOOKAHEAD(2)
|
---|
502 | i=int_() { val=Integer.toString(i); }
|
---|
503 | |
|
---|
504 | f=float_() { val=Float.toString(f); }
|
---|
505 | |
|
---|
506 | val=string_or_ident()
|
---|
507 | )
|
---|
508 | |
|
---|
509 | (
|
---|
510 | <GREATER_EQUAL> { op=Condition.Op.GREATER_OR_EQUAL; }
|
---|
511 | |
|
---|
512 | <GREATER> { op=Condition.Op.GREATER; }
|
---|
513 | |
|
---|
514 | <LESS_EQUAL> { op=Condition.Op.LESS_OR_EQUAL; }
|
---|
515 | |
|
---|
516 | <LESS> { op=Condition.Op.LESS; }
|
---|
517 | )
|
---|
518 | s()
|
---|
519 | f=float_() { val=Float.toString(f); }
|
---|
520 | )
|
---|
521 | { return Condition.createKeyValueCondition(key, val, op, context, considerValAsKey); }
|
---|
522 | }
|
---|
523 |
|
---|
524 | Condition class_or_pseudoclass(Context context) :
|
---|
525 | {
|
---|
526 | String s;
|
---|
527 | boolean not = false;
|
---|
528 | boolean pseudo;
|
---|
529 | }
|
---|
530 | {
|
---|
531 | ( <EXCLAMATION> { not = true; } )?
|
---|
532 | (
|
---|
533 | <FULLSTOP> { pseudo = false; }
|
---|
534 | |
|
---|
535 | <COLON> { pseudo = true; }
|
---|
536 | )
|
---|
537 | s=ident()
|
---|
538 | { return pseudo
|
---|
539 | ? Condition.createPseudoClassCondition(s, not, context)
|
---|
540 | : Condition.createClassCondition(s, not, context); }
|
---|
541 | }
|
---|
542 |
|
---|
543 | String subpart() :
|
---|
544 | {
|
---|
545 | String s;
|
---|
546 | }
|
---|
547 | {
|
---|
548 | <DCOLON>
|
---|
549 | ( s=ident() { return s; } | <STAR> { return "*"; } )
|
---|
550 | }
|
---|
551 |
|
---|
552 | List<Instruction> declaration() :
|
---|
553 | {
|
---|
554 | List<Instruction> ins = new ArrayList<Instruction>();
|
---|
555 | Instruction i;
|
---|
556 | Token key;
|
---|
557 | Object val = null;
|
---|
558 | }
|
---|
559 | {
|
---|
560 | <LBRACE> w()
|
---|
561 | (
|
---|
562 | (
|
---|
563 | <SET> w()
|
---|
564 | (<FULLSTOP>)? // specification allows "set .class" to set "class". we also support "set class"
|
---|
565 | key=<IDENT> w()
|
---|
566 | ( <EQUAL> val=expression() )?
|
---|
567 | { ins.add(new Instruction.AssignmentInstruction(key.image, val == null ? true : val, true)); }
|
---|
568 | ( <RBRACE> { return ins; } | <SEMICOLON> w() )
|
---|
569 | )
|
---|
570 | |
|
---|
571 | key=<IDENT> w() <COLON> w()
|
---|
572 | (
|
---|
573 | LOOKAHEAD( float_array() w() ( <SEMICOLON> | <RBRACE> ) )
|
---|
574 | val=float_array()
|
---|
575 | { ins.add(new Instruction.AssignmentInstruction(key.image, val, false)); }
|
---|
576 | w()
|
---|
577 | ( <RBRACE> { return ins; } | <SEMICOLON> w() )
|
---|
578 | |
|
---|
579 | LOOKAHEAD( expression() ( <SEMICOLON> | <RBRACE> ) )
|
---|
580 | val=expression()
|
---|
581 | { ins.add(new Instruction.AssignmentInstruction(key.image, val, false)); }
|
---|
582 | ( <RBRACE> { return ins; } | <SEMICOLON> w() )
|
---|
583 | |
|
---|
584 | val=readRaw() w() { ins.add(new Instruction.AssignmentInstruction(key.image, val, false)); }
|
---|
585 | )
|
---|
586 | )*
|
---|
587 | <RBRACE>
|
---|
588 | { return ins; }
|
---|
589 | }
|
---|
590 |
|
---|
591 | Expression expression():
|
---|
592 | {
|
---|
593 | List<Expression> args = new ArrayList<Expression>();
|
---|
594 | Expression e;
|
---|
595 | String op = null;
|
---|
596 | }
|
---|
597 | {
|
---|
598 | (
|
---|
599 | <EXCLAMATION> { op = "not"; } w() e=primary() { args.add(e); } w()
|
---|
600 | |
|
---|
601 | <MINUS> { op = "minus"; } w() e=primary() { args.add(e); } w()
|
---|
602 | |
|
---|
603 |
|
---|
604 | (
|
---|
605 | e=primary() { args.add(e); } w()
|
---|
606 | (
|
---|
607 | ( <PLUS> { op = "plus"; } w() e=primary() { args.add(e); } w() )+
|
---|
608 | |
|
---|
609 | ( <STAR> { op = "times"; } w() e=primary() { args.add(e); } w() )+
|
---|
610 | |
|
---|
611 | ( <MINUS> { op = "minus"; } w() e=primary() { args.add(e); } w() )+
|
---|
612 | |
|
---|
613 | ( <SLASH> { op = "divided_by"; } w() e=primary() { args.add(e); } w() )+
|
---|
614 | |
|
---|
615 | <GREATER_EQUAL> { op = "greater_equal"; } w() e=primary() { args.add(e); } w()
|
---|
616 | |
|
---|
617 | <LESS_EQUAL> { op = "less_equal"; } w() e=primary() { args.add(e); } w()
|
---|
618 | |
|
---|
619 | <GREATER> { op = "greater"; } w() e=primary() { args.add(e); } w()
|
---|
620 | |
|
---|
621 | <EQUAL> ( <EQUAL> )? { op = "equal"; } w() e=primary() { args.add(e); } w()
|
---|
622 | |
|
---|
623 | <LESS> { op = "less"; } w() e=primary() { args.add(e); } w()
|
---|
624 | |
|
---|
625 | <AMPERSAND> <AMPERSAND> { op = "and"; } w() e=primary() { args.add(e); } w()
|
---|
626 | |
|
---|
627 | <PIPE> <PIPE> { op = "or"; } w() e=primary() { args.add(e); } w()
|
---|
628 | |
|
---|
629 | <QUESTION> { op = "cond"; } w() e=primary() { args.add(e); } w() <COLON> w() e=primary() { args.add(e); } w()
|
---|
630 | )?
|
---|
631 | )
|
---|
632 | )
|
---|
633 | {
|
---|
634 | if (op == null)
|
---|
635 | return args.get(0);
|
---|
636 | return ExpressionFactory.createFunctionExpression(op, args);
|
---|
637 | }
|
---|
638 | }
|
---|
639 |
|
---|
640 | Expression primary() :
|
---|
641 | {
|
---|
642 | Expression nested;
|
---|
643 | Expression fn;
|
---|
644 | Object lit;
|
---|
645 | }
|
---|
646 | {
|
---|
647 | LOOKAHEAD(3) // both function and identifier start with an identifier (+ optional whitespace)
|
---|
648 | fn=function() { return fn; }
|
---|
649 | |
|
---|
650 | lit=literal() { return new LiteralExpression(lit); }
|
---|
651 | |
|
---|
652 | <LPAR> w() nested=expression() <RPAR> { return nested; }
|
---|
653 | }
|
---|
654 |
|
---|
655 | Expression function() :
|
---|
656 | {
|
---|
657 | Token tmp;
|
---|
658 | Expression arg;
|
---|
659 | String name;
|
---|
660 | List<Expression> args = new ArrayList<Expression>();
|
---|
661 | }
|
---|
662 | {
|
---|
663 | name=ident() w()
|
---|
664 | <LPAR> w()
|
---|
665 | (
|
---|
666 | arg=expression() { args.add(arg); }
|
---|
667 | ( <COMMA> w() arg=expression() { args.add(arg); } )*
|
---|
668 | )?
|
---|
669 | <RPAR>
|
---|
670 | { return ExpressionFactory.createFunctionExpression(name, args); }
|
---|
671 | }
|
---|
672 |
|
---|
673 | Object literal() :
|
---|
674 | {
|
---|
675 | String val;
|
---|
676 | Token t, t2;
|
---|
677 | float f;
|
---|
678 | }
|
---|
679 | {
|
---|
680 | LOOKAHEAD(2)
|
---|
681 | t2=<IDENT> t=<HEXCOLOR>
|
---|
682 | { return Main.pref.getColor("mappaint." + (sheet == null ? "MapCSS" : sheet.title) + "." + t2.image, ColorHelper.html2color(t.image)); }
|
---|
683 | |
|
---|
684 | t=<IDENT> { return new Keyword(t.image); }
|
---|
685 | |
|
---|
686 | val=string() { return val; }
|
---|
687 | |
|
---|
688 | <PLUS> f=ufloat() { return new Instruction.RelativeFloat(f); }
|
---|
689 | |
|
---|
690 | f=ufloat() { return f; }
|
---|
691 | |
|
---|
692 | t=<HEXCOLOR> { return ColorHelper.html2color(t.image); }
|
---|
693 | }
|
---|
694 |
|
---|
695 | JAVACODE
|
---|
696 | void error_skipto(int kind, MapCSSException me) {
|
---|
697 | if (token.kind == EOF)
|
---|
698 | throw new ParseException("Reached end of file while parsing");
|
---|
699 |
|
---|
700 | Exception e = null;
|
---|
701 | ParseException pe = generateParseException();
|
---|
702 |
|
---|
703 | if (me != null) {
|
---|
704 | me.setLine(pe.currentToken.next.beginLine);
|
---|
705 | me.setColumn(pe.currentToken.next.beginColumn);
|
---|
706 | e = me;
|
---|
707 | } else {
|
---|
708 | e = new ParseException(pe.getMessage()); // prevent memory leak
|
---|
709 | }
|
---|
710 |
|
---|
711 | Main.error("Skipping to the next rule, because of an error:");
|
---|
712 | Main.error(e);
|
---|
713 | if (sheet != null) {
|
---|
714 | sheet.logError(e);
|
---|
715 | }
|
---|
716 | Token t;
|
---|
717 | do {
|
---|
718 | t = getNextToken();
|
---|
719 | } while (t.kind != kind && t.kind != EOF);
|
---|
720 | if (t.kind == EOF)
|
---|
721 | throw new ParseException("Reached end of file while parsing");
|
---|
722 | }
|
---|
723 |
|
---|
724 | JAVACODE
|
---|
725 | /**
|
---|
726 | * read everything to the next semicolon
|
---|
727 | */
|
---|
728 | String readRaw() {
|
---|
729 | Token t;
|
---|
730 | StringBuilder s = new StringBuilder();
|
---|
731 | while (true) {
|
---|
732 | t = getNextToken();
|
---|
733 | if ((t.kind == S || t.kind == STRING || t.kind == UNEXPECTED_CHAR) &&
|
---|
734 | t.image.contains("\n")) {
|
---|
735 | ParseException e = new ParseException(String.format("Warning: end of line while reading an unquoted string at line %s column %s.", t.beginLine, t.beginColumn));
|
---|
736 | Main.error(e);
|
---|
737 | if (sheet != null) {
|
---|
738 | sheet.logError(e);
|
---|
739 | }
|
---|
740 | }
|
---|
741 | if (t.kind == SEMICOLON || t.kind == EOF)
|
---|
742 | break;
|
---|
743 | s.append(t.image);
|
---|
744 | }
|
---|
745 | if (t.kind == EOF)
|
---|
746 | throw new ParseException("Reached end of file while parsing");
|
---|
747 | return s.toString();
|
---|
748 | }
|
---|
749 |
|
---|