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/* |
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* JTreeSS - A Java library for reading and evaluating TreeSS documents |
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* Copyright (C) 2019 Ben Stöver, Charlotte Schmitt |
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* <http://bioinfweb.info/JTreeSS> |
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* |
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* This file is free software: you can redistribute it and/or modify |
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* it under the terms of the GNU Lesser General Public License as published by |
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* the Free Software Foundation, either version 3 of the License, or |
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* (at your option) any later version. |
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* |
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* This file is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU Lesser General Public License for more details. |
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* |
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* You should have received a copy of the GNU Lesser General Public License |
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* along with this program. If not, see <http://www.gnu.org/licenses/>. |
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*/ |
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grammar TreeSS; |
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|
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@header { |
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package info.bioinfweb.jtreess.reader.parser; |
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} |
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/* |
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@lexer::header { |
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package info.bioinfweb.jtreess.antlr; |
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} */ |
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|
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WS : [ \t\r\n]+ -> skip ; |
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COMMENT : [/] [*] .*? [*][/] -> skip; |
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// E : 'e'; |
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POW : '^'; |
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LBRACE : '{'; |
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RBRACE : '}'; |
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DASHMATCH : '|='; |
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INCLUDES : '~='; |
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EQUAL : '='; |
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COMMA : ','; |
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SEMICOLON : ';'; |
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PRECEDES : '>'; |
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LBRACKET : '['; |
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RBRACKET : ']'; |
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DOT : '.'; |
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LPARAN : '('; |
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RPARAN : ')'; |
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COLON : ':'; |
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HASH : '#'; |
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AT : '@'; |
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PLUS : '+'; |
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MINUS : '-'; |
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STAR : '*'; |
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DIVIDE : '/'; |
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PERCENT : '%'; |
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fragment INT: [0-9]+; |
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fragment DOUBLE: [0-9]* DOT [0-9]+; |
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fragment E : 'e'|'E'; |
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|
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|
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// NCNAME : [:a-zA-Z_]+ [:a-zA-Z_\-.0-9]; |
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DECVALUE : ((INT E MINUS? INT)|(DOUBLE E MINUS? INT)|INT|DOUBLE); |
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IDENTIFIER : [\-]? [a-zA-Z\_] [a-zA-Z\-\_0-9]*; |
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STRING : '"' .*? '"'; |
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HEXDIGIT : [a-fA-F0-9]; |
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COLOR : HASH (HEXDIGIT HEXDIGIT HEXDIGIT| HEXDIGIT HEXDIGIT HEXDIGIT HEXDIGIT HEXDIGIT HEXDIGIT); |
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|
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unitValue : (MINUS|PLUS)? DECVALUE (IDENTIFIER|PERCENT)?; |
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|
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expression : |
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(LPARAN expression RPARAN) |
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|expression (DIVIDE | STAR) expression |
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|expression (PLUS | MINUS) expression |
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|value; |
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|
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paramList : |
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(pseudoSelector|expression) (COMMA (pseudoSelector|expression))*; |
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|
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function : IDENTIFIER LPARAN (paramList)? RPARAN; |
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|
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value : |
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unitValue |
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|function |
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|STRING |
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|IDENTIFIER |
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|COLOR; |
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|
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values : value (COMMA value)*; |
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|
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property : IDENTIFIER; |
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|
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propertyRule : property COLON values SEMICOLON; |
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|
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pseudoFunction : COLON function; |
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|
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pseudoClass : COLON IDENTIFIER; |
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|
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pseudoSelector : |
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pseudoClass |
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|pseudoFunction; |
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|
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universalSelector : STAR; |
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|
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simpleSelector : IDENTIFIER; |
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|
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idSelector : HASH IDENTIFIER; |
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|
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basicSelector : |
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simpleSelector |
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|idSelector |
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|universalSelector; |
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|
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selector : |
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basicSelector(pseudoSelector)* |
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|pseudoSelector; |
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|
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selectorRule : selector (COMMA selector)* LBRACE propertyRule* RBRACE; |
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|
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atRule : AT IDENTIFIER; /* TODO Extend expression to allow parameters or property list */ |
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|
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document: (selectorRule | atRule)*; |
