[3848] | 1 | // License: GPL. For details, see LICENSE file.
|
---|
| 2 | options {
|
---|
| 3 | STATIC = false;
|
---|
[6521] | 4 | OUTPUT_DIRECTORY = "parsergen";
|
---|
[3848] | 5 | }
|
---|
| 6 |
|
---|
| 7 | PARSER_BEGIN(MapCSSParser)
|
---|
[4252] | 8 | package org.openstreetmap.josm.gui.mappaint.mapcss.parsergen;
|
---|
[3848] | 9 |
|
---|
| 10 | import java.awt.Color;
|
---|
| 11 | import java.util.ArrayList;
|
---|
| 12 | import java.util.List;
|
---|
| 13 |
|
---|
[3967] | 14 | import org.openstreetmap.josm.gui.mappaint.Keyword;
|
---|
[3848] | 15 | import org.openstreetmap.josm.gui.mappaint.mapcss.Condition;
|
---|
[4069] | 16 | import org.openstreetmap.josm.gui.mappaint.mapcss.Condition.Context;
|
---|
[3848] | 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;
|
---|
[5705] | 22 | import org.openstreetmap.josm.gui.mappaint.mapcss.ExpressionFactory;
|
---|
| 23 | import org.openstreetmap.josm.gui.mappaint.mapcss.LiteralExpression;
|
---|
[4069] | 24 | import org.openstreetmap.josm.gui.mappaint.mapcss.MapCSSException;
|
---|
[4011] | 25 | import org.openstreetmap.josm.gui.mappaint.mapcss.Selector.ChildOrParentSelector;
|
---|
[3902] | 26 | import org.openstreetmap.josm.gui.mappaint.mapcss.Selector.GeneralSelector;
|
---|
[4069] | 27 | import org.openstreetmap.josm.gui.mappaint.mapcss.Selector.LinkSelector;
|
---|
[3848] | 28 | import org.openstreetmap.josm.tools.Pair;
|
---|
[5577] | 29 | import org.openstreetmap.josm.tools.Utils;
|
---|
[6248] | 30 | import org.openstreetmap.josm.Main;
|
---|
[3848] | 31 |
|
---|
| 32 | public class MapCSSParser {
|
---|
[3863] | 33 | MapCSSStyleSource sheet;
|
---|
[3848] | 34 | }
|
---|
| 35 | PARSER_END(MapCSSParser)
|
---|
| 36 |
|
---|
| 37 | /*************
|
---|
| 38 | * Token definitions
|
---|
| 39 | */
|
---|
| 40 |
|
---|
| 41 | <DEFAULT>
|
---|
| 42 | TOKEN:
|
---|
| 43 | {
|
---|
[6560] | 44 | < SET: ("set" | "SET") >
|
---|
| 45 | | < IDENT: ["a"-"z","A"-"Z","_"] ( ["a"-"z","A"-"Z","_","-","0"-"9"] )* >
|
---|
[3848] | 46 | | < UINT: ["1"-"9"] ( ["0"-"9"] )* >
|
---|
| 47 | | < UFLOAT: ( ["0"-"9"] )+ ( "." ( ["0"-"9"] )+ )? >
|
---|
[3876] | 48 | | < STRING: "\"" ( [" ","!","#"-"[","]"-"~","\u0080"-"\uFFFF"] | "\\\"" | "\\\\" )* "\"" >
|
---|
[6532] | 49 | | < #REGEX_CHAR_WITHOUT_STAR: [" "-")","+"-".","0"-"[","]"-"~","\u0080"-"\uFFFF"] | "\\/" | "\\\\" | "\\[" | "\\]" | "\\+" | "\\." | "\\'" | "\\\"" >
|
---|
[3876] | 50 | | < REGEX: "/" <REGEX_CHAR_WITHOUT_STAR> ( <REGEX_CHAR_WITHOUT_STAR> | "*" )* "/" >
|
---|
[3848] | 51 | | < #H: ["0"-"9","a"-"f","A"-"F"] >
|
---|
| 52 | | < HEXCOLOR: "#" ( <H><H><H><H><H><H> | <H><H><H> ) >
|
---|
| 53 | | < S: ( " " | "\t" | "\n" | "\r" | "\f" )+ >
|
---|
| 54 | | < STAR: "*" >
|
---|
| 55 | | < SLASH: "/" >
|
---|
| 56 | | < LBRACE: "{" >
|
---|
| 57 | | < RBRACE: "}" >
|
---|
| 58 | | < LSQUARE: "[" >
|
---|
| 59 | | < RSQUARE: "]" >
|
---|
| 60 | | < LPAR: "(" >
|
---|
| 61 | | < RPAR: ")" >
|
---|
[3867] | 62 | | < GREATER_EQUAL: ">=" >
|
---|
| 63 | | < LESS_EQUAL: "<=" >
|
---|
| 64 | | < GREATER: ">" >
|
---|
| 65 | | < LESS: "<" >
|
---|
[3848] | 66 | | < EQUAL: "=" >
|
---|
| 67 | | < EXCLAMATION: "!" >
|
---|
[3876] | 68 | | < TILDE: "~" >
|
---|
[3848] | 69 | | < COLON: ":" >
|
---|
| 70 | | < DCOLON: "::" >
|
---|
| 71 | | < SEMICOLON: ";" >
|
---|
| 72 | | < COMMA: "," >
|
---|
[3856] | 73 | | < PIPE: "|" >
|
---|
[3848] | 74 | | < PIPE_Z: "|z" >
|
---|
| 75 | | < PLUS: "+" >
|
---|
| 76 | | < MINUS: "-" >
|
---|
[3856] | 77 | | < AMPERSAND: "&" >
|
---|
| 78 | | < QUESTION: "?" >
|
---|
[3876] | 79 | | < DOLLAR: "$" >
|
---|
| 80 | | < CARET: "^" >
|
---|
[6560] | 81 | | < FULLSTOP: "." >
|
---|
[6609] | 82 | | < ELEMENT_OF: "∈" >
|
---|
[6613] | 83 | | < CROSSING: "⧉" >
|
---|
[3848] | 84 | | < COMMENT_START: "/*" > : COMMENT
|
---|
| 85 | | < UNEXPECTED_CHAR : ~[] > // avoid TokenMgrErrors because they are hard to recover from
|
---|
| 86 | }
|
---|
| 87 |
|
---|
| 88 | <COMMENT>
|
---|
| 89 | TOKEN:
|
---|
| 90 | {
|
---|
| 91 | < COMMENT_END: "*/" > : DEFAULT
|
---|
| 92 | }
|
---|
| 93 |
|
---|
| 94 | <COMMENT>
|
---|
| 95 | SKIP:
|
---|
| 96 | {
|
---|
| 97 | < ~[] >
|
---|
| 98 | }
|
---|
| 99 |
|
---|
| 100 | /*************
|
---|
| 101 | * Parser definitions
|
---|
| 102 | *
|
---|
| 103 | * rule
|
---|
| 104 | * _______________________|______________________________
|
---|
| 105 | * | |
|
---|
| 106 | * selector declaration
|
---|
| 107 | * _________|___________________ _________|____________
|
---|
| 108 | * | | | |
|
---|
| 109 | *
|
---|
| 110 | * way|z11-12[highway=residential] { color: red; width: 3 }
|
---|
| 111 | *
|
---|
| 112 | * |_____||___________________| |_________|
|
---|
| 113 | * | | |
|
---|
| 114 | * zoom condition instruction
|
---|
| 115 | *
|
---|
| 116 | * more general:
|
---|
| 117 | *
|
---|
| 118 | * way|z13-[a=b][c=d]::subpart, way|z-3[u=v]:closed::subpart2 { p1 : val; p2 : val; }
|
---|
| 119 | *
|
---|
| 120 | * 'val' can be a literal, or an expression like "prop(width, default) + 0.8".
|
---|
| 121 | *
|
---|
| 122 | */
|
---|
| 123 |
|
---|
| 124 | int uint() :
|
---|
| 125 | {
|
---|
| 126 | Token i;
|
---|
| 127 | }
|
---|
| 128 | {
|
---|
| 129 | i=<UINT> { return Integer.parseInt(i.image); }
|
---|
| 130 | }
|
---|
| 131 |
|
---|
[3911] | 132 | int int_() :
|
---|
| 133 | {
|
---|
| 134 | int i;
|
---|
| 135 | }
|
---|
| 136 | {
|
---|
| 137 | <MINUS> i=uint() { return -i; } | i=uint() { return i; }
|
---|
| 138 | }
|
---|
| 139 |
|
---|
[3848] | 140 | float ufloat() :
|
---|
| 141 | {
|
---|
| 142 | Token f;
|
---|
| 143 | }
|
---|
| 144 | {
|
---|
| 145 | ( f=<UFLOAT> | f=<UINT> )
|
---|
| 146 | { return Float.parseFloat(f.image); }
|
---|
| 147 | }
|
---|
| 148 |
|
---|
[3876] | 149 | float float_() :
|
---|
| 150 | {
|
---|
| 151 | float f;
|
---|
| 152 | }
|
---|
| 153 | {
|
---|
| 154 | <MINUS> f=ufloat() { return -f; } | f=ufloat() { return f; }
|
---|
| 155 | }
|
---|
| 156 |
|
---|
[3848] | 157 | String string() :
|
---|
| 158 | {
|
---|
| 159 | Token t;
|
---|
| 160 | }
|
---|
| 161 | {
|
---|
| 162 | t=<STRING>
|
---|
[3876] | 163 | { return t.image.substring(1, t.image.length() - 1).replace("\\\"", "\"").replace("\\\\", "\\"); }
|
---|
[3848] | 164 | }
|
---|
| 165 |
|
---|
| 166 | String string_or_ident() :
|
---|
| 167 | {
|
---|
| 168 | Token t;
|
---|
| 169 | String s;
|
---|
| 170 | }
|
---|
| 171 | {
|
---|
| 172 | t=<IDENT> { return t.image; } | s=string() { return s; }
|
---|
| 173 | }
|
---|
| 174 |
|
---|
[3876] | 175 | String regex() :
|
---|
| 176 | {
|
---|
| 177 | Token t;
|
---|
| 178 | }
|
---|
| 179 | {
|
---|
| 180 | t=<REGEX>
|
---|
| 181 | { return t.image.substring(1, t.image.length() - 1); }
|
---|
| 182 | }
|
---|
| 183 |
|
---|
[3848] | 184 | /**
|
---|
| 185 | * white-space
|
---|
| 186 | */
|
---|
| 187 | void s() :
|
---|
| 188 | {
|
---|
| 189 | }
|
---|
| 190 | {
|
---|
| 191 | ( <S> )?
|
---|
| 192 | }
|
---|
| 193 |
|
---|
| 194 | /**
|
---|
| 195 | * mix of white-space and comments
|
---|
| 196 | */
|
---|
| 197 | void w() :
|
---|
| 198 | {
|
---|
| 199 | }
|
---|
| 200 | {
|
---|
[3876] | 201 | ( <S> | <COMMENT_START> <COMMENT_END> )*
|
---|
[3848] | 202 | }
|
---|
| 203 |
|
---|
| 204 | /**
|
---|
| 205 | * comma delimited list of floats (at least 2, all >= 0)
|
---|
| 206 | */
|
---|
[3856] | 207 | List<Float> float_array() :
|
---|
[3848] | 208 | {
|
---|
| 209 | float f;
|
---|
| 210 | List<Float> fs = new ArrayList<Float>();
|
---|
| 211 | }
|
---|
| 212 | {
|
---|
| 213 | f=ufloat() { fs.add(f); }
|
---|
| 214 | (
|
---|
| 215 | <COMMA> s()
|
---|
| 216 | f=ufloat() { fs.add(f); }
|
---|
| 217 | )+
|
---|
| 218 | {
|
---|
[3856] | 219 | return fs;
|
---|
[3848] | 220 | }
|
---|
| 221 | }
|
---|
| 222 |
|
---|
| 223 | /**
|
---|
| 224 | * root
|
---|
| 225 | */
|
---|
| 226 | void sheet(MapCSSStyleSource sheet):
|
---|
| 227 | {
|
---|
| 228 | MapCSSRule r;
|
---|
| 229 | Token com = null;
|
---|
| 230 | }
|
---|
| 231 | {
|
---|
[3863] | 232 | { this.sheet = sheet; }
|
---|
[3848] | 233 | w()
|
---|
[3876] | 234 | (
|
---|
| 235 | try {
|
---|
[4069] | 236 | r=rule() { if (r != null) { sheet.rules.add(r); } } w()
|
---|
| 237 | } catch (MapCSSException mex) {
|
---|
| 238 | error_skipto(RBRACE, mex);
|
---|
| 239 | w();
|
---|
[3876] | 240 | } catch (ParseException ex) {
|
---|
[4069] | 241 | error_skipto(RBRACE, null);
|
---|
[3876] | 242 | w();
|
---|
| 243 | }
|
---|
| 244 | )*
|
---|
[3848] | 245 | <EOF>
|
---|
| 246 | }
|
---|
| 247 |
|
---|
| 248 | MapCSSRule rule():
|
---|
| 249 | {
|
---|
| 250 | List<Selector> selectors = new ArrayList<Selector>();
|
---|
| 251 | Selector sel;
|
---|
| 252 | List<Instruction> decl;
|
---|
| 253 | }
|
---|
| 254 | {
|
---|
[3902] | 255 | sel=child_selector() { selectors.add(sel); }
|
---|
[3876] | 256 | (
|
---|
| 257 | <COMMA> w()
|
---|
[3902] | 258 | sel=child_selector() { selectors.add(sel); }
|
---|
[3876] | 259 | )*
|
---|
[3848] | 260 | decl=declaration()
|
---|
| 261 | { return new MapCSSRule(selectors, decl); }
|
---|
| 262 | }
|
---|
| 263 |
|
---|
[3902] | 264 | Selector child_selector() :
|
---|
| 265 | {
|
---|
[6607] | 266 | Selector.ChildOrParentSelectorType type = null;
|
---|
[4069] | 267 | Condition c;
|
---|
| 268 | List<Condition> conditions = new ArrayList<Condition>();
|
---|
| 269 | Selector selLeft;
|
---|
| 270 | LinkSelector selLink = null;
|
---|
| 271 | Selector selRight = null;
|
---|
[3902] | 272 | }
|
---|
| 273 | {
|
---|
[4069] | 274 | selLeft=selector() w()
|
---|
[3902] | 275 | (
|
---|
[6607] | 276 | (
|
---|
| 277 | ( <GREATER> { type = Selector.ChildOrParentSelectorType.CHILD; } | <LESS> { type = Selector.ChildOrParentSelectorType.PARENT; } )
|
---|
| 278 | ( ( c=condition(Context.LINK) | c=class_or_pseudoclass(Context.LINK) ) { conditions.add(c); } )*
|
---|
| 279 | |
|
---|
[6609] | 280 | <ELEMENT_OF> { type = Selector.ChildOrParentSelectorType.ELEMENT_OF; }
|
---|
[6613] | 281 | |
|
---|
| 282 | <CROSSING> { type = Selector.ChildOrParentSelectorType.CROSSING; }
|
---|
[6607] | 283 | )
|
---|
[4069] | 284 | { selLink = new LinkSelector(conditions); }
|
---|
| 285 | w()
|
---|
| 286 | selRight=selector() w()
|
---|
[3902] | 287 | )?
|
---|
[6607] | 288 | { return selRight != null ? new ChildOrParentSelector(selLeft, selLink, selRight, type) : selLeft; }
|
---|
[3902] | 289 | }
|
---|
| 290 |
|
---|
[3848] | 291 | Selector selector() :
|
---|
| 292 | {
|
---|
| 293 | Token base;
|
---|
| 294 | Condition c;
|
---|
| 295 | Pair<Integer, Integer> r = null;
|
---|
| 296 | List<Condition> conditions = new ArrayList<Condition>();
|
---|
| 297 | String sub = null;
|
---|
| 298 | }
|
---|
| 299 | {
|
---|
| 300 | ( base=<IDENT> | base=<STAR> )
|
---|
| 301 | ( r=zoom() )?
|
---|
[6560] | 302 | ( ( c=condition(Context.PRIMITIVE) | c=class_or_pseudoclass(Context.PRIMITIVE) ) { conditions.add(c); } )*
|
---|
[3848] | 303 | ( sub=subpart() )?
|
---|
[3902] | 304 | { return new GeneralSelector(base.image, r, conditions, sub); }
|
---|
[3848] | 305 | }
|
---|
| 306 |
|
---|
| 307 | Pair<Integer, Integer> zoom() :
|
---|
| 308 | {
|
---|
| 309 | Integer min = 0;
|
---|
| 310 | Integer max = Integer.MAX_VALUE;
|
---|
| 311 | }
|
---|
| 312 | {
|
---|
| 313 | <PIPE_Z>
|
---|
| 314 | (
|
---|
[3876] | 315 | <MINUS> max=uint()
|
---|
| 316 | |
|
---|
[4280] | 317 | LOOKAHEAD(2)
|
---|
| 318 | min=uint() <MINUS> ( max=uint() )?
|
---|
| 319 | |
|
---|
| 320 | min=uint() { max = min; }
|
---|
[3848] | 321 | )
|
---|
| 322 | { return new Pair<Integer, Integer>(min, max); }
|
---|
| 323 | }
|
---|
| 324 |
|
---|
[4069] | 325 | Condition condition(Context context) :
|
---|
[3848] | 326 | {
|
---|
[3856] | 327 | Condition c;
|
---|
| 328 | Expression e;
|
---|
| 329 | }
|
---|
| 330 | {
|
---|
[3911] | 331 | <LSQUARE> s()
|
---|
[3876] | 332 | (
|
---|
[4069] | 333 | LOOKAHEAD( simple_key_condition(context) s() <RSQUARE> )
|
---|
| 334 | c=simple_key_condition(context) s() <RSQUARE> { return c; }
|
---|
[3876] | 335 | |
|
---|
[4069] | 336 | LOOKAHEAD( simple_key_value_condition(context) s() <RSQUARE> )
|
---|
| 337 | c=simple_key_value_condition(context) s() <RSQUARE> { return c; }
|
---|
[3876] | 338 | |
|
---|
[6560] | 339 | e=expression() <RSQUARE> { return Condition.createExpressionCondition(e, context); }
|
---|
[3856] | 340 | )
|
---|
| 341 | }
|
---|
| 342 |
|
---|
[3902] | 343 | String tag_key() :
|
---|
| 344 | {
|
---|
| 345 | String s;
|
---|
| 346 | Token t;
|
---|
| 347 | }
|
---|
| 348 | {
|
---|
| 349 | s=string() { return s; }
|
---|
| 350 | |
|
---|
| 351 | t=<IDENT> { s = t.image; } ( <COLON> t=<IDENT> { s += ':' + t.image; } )* { return s; }
|
---|
| 352 | }
|
---|
| 353 |
|
---|
[4069] | 354 | Condition simple_key_condition(Context context) :
|
---|
[3856] | 355 | {
|
---|
[3848] | 356 | boolean not = false;
|
---|
[6547] | 357 | Condition.KeyMatchType matchType = null;;
|
---|
[3848] | 358 | String key;
|
---|
| 359 | }
|
---|
| 360 | {
|
---|
| 361 | ( <EXCLAMATION> { not = true; } )?
|
---|
[6547] | 362 | (
|
---|
| 363 | { matchType = Condition.KeyMatchType.REGEX; } key = regex()
|
---|
| 364 | |
|
---|
| 365 | key = tag_key()
|
---|
| 366 | )
|
---|
| 367 | ( LOOKAHEAD(2) <QUESTION> <EXCLAMATION> { matchType = Condition.KeyMatchType.FALSE; } )?
|
---|
| 368 | ( <QUESTION> { matchType = Condition.KeyMatchType.TRUE; } )?
|
---|
[6560] | 369 | { return Condition.createKeyCondition(key, not, matchType, context); }
|
---|
[3848] | 370 | }
|
---|
| 371 |
|
---|
[4069] | 372 | Condition simple_key_value_condition(Context context) :
|
---|
[3856] | 373 | {
|
---|
| 374 | String key;
|
---|
| 375 | String val;
|
---|
[3876] | 376 | float f;
|
---|
[3911] | 377 | int i;
|
---|
[3876] | 378 | Condition.Op op;
|
---|
[6554] | 379 | boolean considerValAsKey = false;
|
---|
[3856] | 380 | }
|
---|
| 381 | {
|
---|
[3911] | 382 | key=tag_key() s()
|
---|
[3876] | 383 | (
|
---|
[6554] | 384 | LOOKAHEAD(3)
|
---|
| 385 | (
|
---|
| 386 | <EQUAL> <TILDE> { op=Condition.Op.REGEX; }
|
---|
| 387 | |
|
---|
| 388 | <EXCLAMATION> <TILDE> { op=Condition.Op.NREGEX; }
|
---|
| 389 | )
|
---|
| 390 | s()
|
---|
| 391 | ( <STAR> { considerValAsKey=true; } )?
|
---|
| 392 | val=regex()
|
---|
[3911] | 393 | |
|
---|
[3876] | 394 | (
|
---|
[3911] | 395 | <EXCLAMATION> <EQUAL> { op=Condition.Op.NEQ; }
|
---|
[3876] | 396 | |
|
---|
| 397 | <EQUAL> { op=Condition.Op.EQ; }
|
---|
| 398 | |
|
---|
[3912] | 399 | <TILDE> <EQUAL> { op=Condition.Op.ONE_OF; }
|
---|
[3876] | 400 | |
|
---|
[3912] | 401 | <CARET> <EQUAL> { op=Condition.Op.BEGINS_WITH; }
|
---|
[3876] | 402 | |
|
---|
[3912] | 403 | <DOLLAR> <EQUAL> { op=Condition.Op.ENDS_WITH; }
|
---|
[3876] | 404 | |
|
---|
[3912] | 405 | <STAR> <EQUAL> { op=Condition.Op.CONTAINS; }
|
---|
[3876] | 406 | )
|
---|
[3911] | 407 | s()
|
---|
[6554] | 408 | ( <STAR> { considerValAsKey=true; } )?
|
---|
[3911] | 409 | (
|
---|
| 410 | LOOKAHEAD(2)
|
---|
| 411 | i=int_() { val=Integer.toString(i); }
|
---|
| 412 | |
|
---|
| 413 | f=float_() { val=Float.toString(f); }
|
---|
| 414 | |
|
---|
| 415 | val=string_or_ident()
|
---|
| 416 | )
|
---|
[3876] | 417 | |
|
---|
| 418 | (
|
---|
| 419 | <GREATER_EQUAL> { op=Condition.Op.GREATER_OR_EQUAL; }
|
---|
| 420 | |
|
---|
| 421 | <GREATER> { op=Condition.Op.GREATER; }
|
---|
| 422 | |
|
---|
| 423 | <LESS_EQUAL> { op=Condition.Op.LESS_OR_EQUAL; }
|
---|
| 424 | |
|
---|
| 425 | <LESS> { op=Condition.Op.LESS; }
|
---|
| 426 | )
|
---|
[3911] | 427 | s()
|
---|
| 428 | f=float_() { val=Float.toString(f); }
|
---|
[3876] | 429 | )
|
---|
[6560] | 430 | { return Condition.createKeyValueCondition(key, val, op, context, considerValAsKey); }
|
---|
[3856] | 431 | }
|
---|
| 432 |
|
---|
[6560] | 433 | Condition class_or_pseudoclass(Context context) :
|
---|
[3848] | 434 | {
|
---|
| 435 | Token t;
|
---|
| 436 | boolean not = false;
|
---|
[6560] | 437 | boolean pseudo;
|
---|
[3848] | 438 | }
|
---|
| 439 | {
|
---|
[3888] | 440 | ( <EXCLAMATION> { not = true; } )?
|
---|
[6560] | 441 | (
|
---|
| 442 | <FULLSTOP> { pseudo = false; }
|
---|
| 443 | |
|
---|
| 444 | <COLON> { pseudo = true; }
|
---|
| 445 | )
|
---|
[3888] | 446 | t=<IDENT>
|
---|
[6560] | 447 | { return pseudo
|
---|
| 448 | ? Condition.createPseudoClassCondition(t.image, not, context)
|
---|
| 449 | : Condition.createClassCondition(t.image, not, context); }
|
---|
[3848] | 450 | }
|
---|
| 451 |
|
---|
| 452 | String subpart() :
|
---|
| 453 | {
|
---|
| 454 | Token t;
|
---|
| 455 | }
|
---|
| 456 | {
|
---|
[3876] | 457 | <DCOLON>
|
---|
[3848] | 458 | ( t=<IDENT> | t=<STAR> )
|
---|
| 459 | { return t.image; }
|
---|
| 460 | }
|
---|
| 461 |
|
---|
| 462 | List<Instruction> declaration() :
|
---|
| 463 | {
|
---|
| 464 | List<Instruction> ins = new ArrayList<Instruction>();
|
---|
| 465 | Instruction i;
|
---|
| 466 | Token key;
|
---|
[6560] | 467 | Object val = null;
|
---|
[3848] | 468 | }
|
---|
| 469 | {
|
---|
[3876] | 470 | <LBRACE> w()
|
---|
[3848] | 471 | (
|
---|
[6560] | 472 | (
|
---|
[6561] | 473 | <SET> w()
|
---|
| 474 | (<FULLSTOP>)? // specification allows "set .class" to set "class". we also support "set class"
|
---|
| 475 | key=<IDENT> w()
|
---|
| 476 | ( <EQUAL> val=expression() )?
|
---|
[6611] | 477 | { ins.add(new Instruction.AssignmentInstruction(key.image, val == null ? true : val, true)); }
|
---|
[6561] | 478 | ( <RBRACE> { return ins; } | <SEMICOLON> w() )
|
---|
[6560] | 479 | )
|
---|
[6561] | 480 | |
|
---|
[3876] | 481 | key=<IDENT> w() <COLON> w()
|
---|
| 482 | (
|
---|
| 483 | LOOKAHEAD( float_array() w() ( <SEMICOLON> | <RBRACE> ) )
|
---|
| 484 | val=float_array()
|
---|
[6611] | 485 | { ins.add(new Instruction.AssignmentInstruction(key.image, val, false)); }
|
---|
[3876] | 486 | w()
|
---|
| 487 | ( <RBRACE> { return ins; } | <SEMICOLON> w() )
|
---|
| 488 | |
|
---|
| 489 | LOOKAHEAD( expression() ( <SEMICOLON> | <RBRACE> ) )
|
---|
| 490 | val=expression()
|
---|
[6611] | 491 | { ins.add(new Instruction.AssignmentInstruction(key.image, val, false)); }
|
---|
[3876] | 492 | ( <RBRACE> { return ins; } | <SEMICOLON> w() )
|
---|
| 493 | |
|
---|
[6611] | 494 | val=readRaw() w() { ins.add(new Instruction.AssignmentInstruction(key.image, val, false)); }
|
---|
[3876] | 495 | )
|
---|
| 496 | )*
|
---|
| 497 | <RBRACE>
|
---|
| 498 | { return ins; }
|
---|
[3848] | 499 | }
|
---|
| 500 |
|
---|
| 501 | Expression expression():
|
---|
| 502 | {
|
---|
| 503 | List<Expression> args = new ArrayList<Expression>();
|
---|
| 504 | Expression e;
|
---|
| 505 | String op = null;
|
---|
| 506 | }
|
---|
| 507 | {
|
---|
| 508 | (
|
---|
[3876] | 509 | <EXCLAMATION> { op = "not"; } w() e=primary() { args.add(e); } w()
|
---|
[3867] | 510 | |
|
---|
[3876] | 511 | <MINUS> { op = "minus"; } w() e=primary() { args.add(e); } w()
|
---|
[3867] | 512 | |
|
---|
[3876] | 513 |
|
---|
[3867] | 514 | (
|
---|
| 515 | e=primary() { args.add(e); } w()
|
---|
| 516 | (
|
---|
| 517 | ( <PLUS> { op = "plus"; } w() e=primary() { args.add(e); } w() )+
|
---|
| 518 | |
|
---|
| 519 | ( <STAR> { op = "times"; } w() e=primary() { args.add(e); } w() )+
|
---|
| 520 | |
|
---|
| 521 | ( <MINUS> { op = "minus"; } w() e=primary() { args.add(e); } w() )+
|
---|
| 522 | |
|
---|
| 523 | ( <SLASH> { op = "divided_by"; } w() e=primary() { args.add(e); } w() )+
|
---|
| 524 | |
|
---|
[3876] | 525 | <GREATER_EQUAL> { op = "greater_equal"; } w() e=primary() { args.add(e); } w()
|
---|
[3867] | 526 | |
|
---|
[3876] | 527 | <LESS_EQUAL> { op = "less_equal"; } w() e=primary() { args.add(e); } w()
|
---|
[3867] | 528 | |
|
---|
[3876] | 529 | <GREATER> { op = "greater"; } w() e=primary() { args.add(e); } w()
|
---|
[3867] | 530 | |
|
---|
[3876] | 531 | <EQUAL> ( <EQUAL> )? { op = "equal"; } w() e=primary() { args.add(e); } w()
|
---|
[3867] | 532 | |
|
---|
[3876] | 533 | <LESS> { op = "less"; } w() e=primary() { args.add(e); } w()
|
---|
[3867] | 534 | |
|
---|
[3876] | 535 | <AMPERSAND> <AMPERSAND> { op = "and"; } w() e=primary() { args.add(e); } w()
|
---|
[3867] | 536 | |
|
---|
[3876] | 537 | <PIPE> <PIPE> { op = "or"; } w() e=primary() { args.add(e); } w()
|
---|
[3867] | 538 | |
|
---|
[3876] | 539 | <QUESTION> { op = "cond"; } w() e=primary() { args.add(e); } w() <COLON> w() e=primary() { args.add(e); } w()
|
---|
[3867] | 540 | )?
|
---|
| 541 | )
|
---|
| 542 | )
|
---|
[3848] | 543 | {
|
---|
[3856] | 544 | if (op == null)
|
---|
[3848] | 545 | return args.get(0);
|
---|
[5705] | 546 | return ExpressionFactory.createFunctionExpression(op, args);
|
---|
[3848] | 547 | }
|
---|
| 548 | }
|
---|
| 549 |
|
---|
| 550 | Expression primary() :
|
---|
| 551 | {
|
---|
| 552 | Expression nested;
|
---|
[5705] | 553 | Expression fn;
|
---|
[3848] | 554 | Object lit;
|
---|
| 555 | }
|
---|
| 556 | {
|
---|
[3971] | 557 | LOOKAHEAD(3) // both function and identifier start with an identifier (+ optional whitespace)
|
---|
[3848] | 558 | fn=function() { return fn; }
|
---|
| 559 | |
|
---|
| 560 | lit=literal() { return new LiteralExpression(lit); }
|
---|
| 561 | |
|
---|
[3876] | 562 | <LPAR> w() nested=expression() <RPAR> { return nested; }
|
---|
[3848] | 563 | }
|
---|
| 564 |
|
---|
[5705] | 565 | Expression function() :
|
---|
[3848] | 566 | {
|
---|
| 567 | Token tmp;
|
---|
| 568 | Expression arg;
|
---|
| 569 | String name;
|
---|
| 570 | List<Expression> args = new ArrayList<Expression>();
|
---|
| 571 | }
|
---|
| 572 | {
|
---|
| 573 | tmp=<IDENT> { name = tmp.image; } w()
|
---|
| 574 | <LPAR> w()
|
---|
[3856] | 575 | (
|
---|
| 576 | arg=expression() { args.add(arg); }
|
---|
| 577 | ( <COMMA> w() arg=expression() { args.add(arg); } )*
|
---|
| 578 | )?
|
---|
[3848] | 579 | <RPAR>
|
---|
[5705] | 580 | { return ExpressionFactory.createFunctionExpression(name, args); }
|
---|
[3848] | 581 | }
|
---|
| 582 |
|
---|
| 583 | Object literal() :
|
---|
| 584 | {
|
---|
[3967] | 585 | String val;
|
---|
[3848] | 586 | Token t;
|
---|
| 587 | float f;
|
---|
| 588 | }
|
---|
| 589 | {
|
---|
[3967] | 590 | t=<IDENT> { return new Keyword(t.image); }
|
---|
[3848] | 591 | |
|
---|
[3967] | 592 | val=string() { return val; }
|
---|
| 593 | |
|
---|
[3876] | 594 | <PLUS> f=ufloat() { return new Instruction.RelativeFloat(f); }
|
---|
[3848] | 595 | |
|
---|
| 596 | f=ufloat() { return f; }
|
---|
| 597 | |
|
---|
[5577] | 598 | t=<HEXCOLOR> { return Utils.hexToColor(t.image); }
|
---|
[3848] | 599 | }
|
---|
| 600 |
|
---|
| 601 | JAVACODE
|
---|
[4069] | 602 | void error_skipto(int kind, MapCSSException me) {
|
---|
[3893] | 603 | if (token.kind == EOF)
|
---|
| 604 | throw new ParseException("Reached end of file while parsing");
|
---|
[4069] | 605 |
|
---|
| 606 | Exception e = null;
|
---|
| 607 | ParseException pe = generateParseException();
|
---|
| 608 |
|
---|
| 609 | if (me != null) {
|
---|
| 610 | me.setLine(pe.currentToken.next.beginLine);
|
---|
| 611 | me.setColumn(pe.currentToken.next.beginColumn);
|
---|
| 612 | e = me;
|
---|
| 613 | } else {
|
---|
| 614 | e = new ParseException(pe.getMessage()); // prevent memory leak
|
---|
| 615 | }
|
---|
| 616 |
|
---|
[6248] | 617 | Main.error("Skipping to the next rule, because of an error:");
|
---|
| 618 | Main.error(e);
|
---|
[3863] | 619 | if (sheet != null) {
|
---|
[4069] | 620 | sheet.logError(e);
|
---|
[3863] | 621 | }
|
---|
| 622 | Token t;
|
---|
| 623 | do {
|
---|
| 624 | t = getNextToken();
|
---|
[3867] | 625 | } while (t.kind != kind && t.kind != EOF);
|
---|
| 626 | if (t.kind == EOF)
|
---|
| 627 | throw new ParseException("Reached end of file while parsing");
|
---|
[3848] | 628 | }
|
---|
| 629 |
|
---|
[3876] | 630 | JAVACODE
|
---|
| 631 | /**
|
---|
| 632 | * read everything to the next semicolon
|
---|
| 633 | */
|
---|
| 634 | String readRaw() {
|
---|
| 635 | Token t;
|
---|
| 636 | StringBuilder s = new StringBuilder();
|
---|
| 637 | while (true) {
|
---|
| 638 | t = getNextToken();
|
---|
[3893] | 639 | if ((t.kind == S || t.kind == STRING || t.kind == UNEXPECTED_CHAR) &&
|
---|
| 640 | t.image.contains("\n")) {
|
---|
| 641 | ParseException e = new ParseException(String.format("Warning: end of line while reading an unquoted string at line %s column %s.", t.beginLine, t.beginColumn));
|
---|
[6248] | 642 | Main.error(e);
|
---|
[3893] | 643 | if (sheet != null) {
|
---|
| 644 | sheet.logError(e);
|
---|
| 645 | }
|
---|
| 646 | }
|
---|
[3876] | 647 | if (t.kind == SEMICOLON || t.kind == EOF)
|
---|
| 648 | break;
|
---|
| 649 | s.append(t.image);
|
---|
| 650 | }
|
---|
| 651 | if (t.kind == EOF)
|
---|
| 652 | throw new ParseException("Reached end of file while parsing");
|
---|
| 653 | return s.toString();
|
---|
| 654 | }
|
---|
| 655 |
|
---|