[3848] | 1 | // License: GPL. For details, see LICENSE file.
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| 2 | options {
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| 3 | STATIC = false;
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[6521] | 4 | OUTPUT_DIRECTORY = "parsergen";
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[3848] | 5 | }
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| 6 |
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| 7 | PARSER_BEGIN(MapCSSParser)
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[4252] | 8 | package org.openstreetmap.josm.gui.mappaint.mapcss.parsergen;
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[3848] | 9 |
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| 10 | import java.awt.Color;
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| 11 | import java.util.ArrayList;
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| 12 | import java.util.List;
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| 13 |
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[3967] | 14 | import org.openstreetmap.josm.gui.mappaint.Keyword;
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[3848] | 15 | import org.openstreetmap.josm.gui.mappaint.mapcss.Condition;
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[4069] | 16 | import org.openstreetmap.josm.gui.mappaint.mapcss.Condition.Context;
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[3848] | 17 | import org.openstreetmap.josm.gui.mappaint.mapcss.Expression;
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| 18 | import org.openstreetmap.josm.gui.mappaint.mapcss.Instruction;
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| 19 | import org.openstreetmap.josm.gui.mappaint.mapcss.MapCSSRule;
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| 20 | import org.openstreetmap.josm.gui.mappaint.mapcss.MapCSSStyleSource;
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| 21 | import org.openstreetmap.josm.gui.mappaint.mapcss.Selector;
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[5705] | 22 | import org.openstreetmap.josm.gui.mappaint.mapcss.ExpressionFactory;
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| 23 | import org.openstreetmap.josm.gui.mappaint.mapcss.LiteralExpression;
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[4069] | 24 | import org.openstreetmap.josm.gui.mappaint.mapcss.MapCSSException;
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[4011] | 25 | import org.openstreetmap.josm.gui.mappaint.mapcss.Selector.ChildOrParentSelector;
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[3902] | 26 | import org.openstreetmap.josm.gui.mappaint.mapcss.Selector.GeneralSelector;
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[4069] | 27 | import org.openstreetmap.josm.gui.mappaint.mapcss.Selector.LinkSelector;
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[6740] | 28 | import org.openstreetmap.josm.tools.ColorHelper;
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[3848] | 29 | import org.openstreetmap.josm.tools.Pair;
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[5577] | 30 | import org.openstreetmap.josm.tools.Utils;
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[6248] | 31 | import org.openstreetmap.josm.Main;
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[3848] | 32 |
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[6897] | 33 | /*************
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| 34 | * <pre>
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| 35 | * Parser definitions
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| 36 | *
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| 37 | * rule
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| 38 | * _______________________|______________________________
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| 39 | * | |
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| 40 | * selector declaration
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| 41 | * _________|___________________ _________|____________
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| 42 | * | | | |
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| 43 | *
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| 44 | * way|z11-12[highway=residential] { color: red; width: 3 }
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| 45 | *
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| 46 | * |_____||___________________| |_________|
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| 47 | * | | |
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| 48 | * zoom condition instruction
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| 49 | *
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| 50 | * more general:
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| 51 | *
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| 52 | * way|z13-[a=b][c=d]::subpart, way|z-3[u=v]:closed::subpart2 { p1 : val; p2 : val; }
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| 53 | *
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| 54 | * 'val' can be a literal, or an expression like "prop(width, default) + 0.8".
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| 55 | *
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| 56 | * {@literal @media} { ... } queries are supported, following http://www.w3.org/TR/css3-mediaqueries/#syntax
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| 57 | *
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| 58 | * media_query
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| 59 | * ___________________________|_______________________________
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| 60 | * | |
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| 61 | * {@literal @media} all and (min-josm-version: 7789) and (max-josm-version: 7790), all and (user-agent: xyz) { ... }
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| 62 | * |______________________|
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| 63 | * |
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| 64 | * media_expression
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| 65 | * </pre>
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| 66 | */
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| 67 |
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[3848] | 68 | public class MapCSSParser {
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[3863] | 69 | MapCSSStyleSource sheet;
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[3848] | 70 | }
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| 71 | PARSER_END(MapCSSParser)
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| 72 |
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| 73 | /*************
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| 74 | * Token definitions
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| 75 | */
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| 76 |
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| 77 | <DEFAULT>
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[6896] | 78 | TOKEN [IGNORE_CASE]:
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| 79 | {
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| 80 | /* Special keywords in some contexts, ordinary identifiers in other contexts.
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| 81 | Don't use the javacc token contexts (except DEFAULT and COMMENT) because
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| 82 | they complicate error handling. Instead simply add a parsing rule <code>ident()</code>
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| 83 | that parses the IDENT token and in addition all the keyword tokens. */
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| 84 | < AND: "and" >
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| 85 | | < SET: "set" >
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| 86 | | < NOT: "not" >
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| 87 | | < MEDIA: "@media" >
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| 88 | }
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| 89 |
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| 90 | <DEFAULT>
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[3848] | 91 | TOKEN:
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| 92 | {
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[6896] | 93 | < IDENT: ["a"-"z","A"-"Z","_"] ( ["a"-"z","A"-"Z","_","-","0"-"9"] )* >
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[3848] | 94 | | < UINT: ["1"-"9"] ( ["0"-"9"] )* >
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| 95 | | < UFLOAT: ( ["0"-"9"] )+ ( "." ( ["0"-"9"] )+ )? >
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[3876] | 96 | | < STRING: "\"" ( [" ","!","#"-"[","]"-"~","\u0080"-"\uFFFF"] | "\\\"" | "\\\\" )* "\"" >
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[6686] | 97 | | < #PREDEFINED: "\\" ["d","D","s","S","w","W"] >
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| 98 | | < #REGEX_CHAR_WITHOUT_STAR: [" "-")","+"-".","0"-"[","]"-"~","\u0080"-"\uFFFF"] | "\\/" | "\\\\" | "\\[" | "\\]" | "\\+" | "\\." | "\\'" | "\\\"" | <PREDEFINED> >
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[3876] | 99 | | < REGEX: "/" <REGEX_CHAR_WITHOUT_STAR> ( <REGEX_CHAR_WITHOUT_STAR> | "*" )* "/" >
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[3848] | 100 | | < #H: ["0"-"9","a"-"f","A"-"F"] >
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[6774] | 101 | | < HEXCOLOR: "#" ( <H><H><H><H><H><H><H><H> | <H><H><H><H><H><H> | <H><H><H> ) >
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[3848] | 102 | | < S: ( " " | "\t" | "\n" | "\r" | "\f" )+ >
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| 103 | | < STAR: "*" >
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| 104 | | < SLASH: "/" >
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| 105 | | < LBRACE: "{" >
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| 106 | | < RBRACE: "}" >
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| 107 | | < LSQUARE: "[" >
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| 108 | | < RSQUARE: "]" >
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| 109 | | < LPAR: "(" >
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| 110 | | < RPAR: ")" >
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[3867] | 111 | | < GREATER_EQUAL: ">=" >
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| 112 | | < LESS_EQUAL: "<=" >
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| 113 | | < GREATER: ">" >
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| 114 | | < LESS: "<" >
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[3848] | 115 | | < EQUAL: "=" >
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| 116 | | < EXCLAMATION: "!" >
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[3876] | 117 | | < TILDE: "~" >
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[3848] | 118 | | < COLON: ":" >
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| 119 | | < DCOLON: "::" >
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| 120 | | < SEMICOLON: ";" >
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| 121 | | < COMMA: "," >
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[3856] | 122 | | < PIPE: "|" >
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[3848] | 123 | | < PIPE_Z: "|z" >
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| 124 | | < PLUS: "+" >
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| 125 | | < MINUS: "-" >
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[3856] | 126 | | < AMPERSAND: "&" >
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| 127 | | < QUESTION: "?" >
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[3876] | 128 | | < DOLLAR: "$" >
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| 129 | | < CARET: "^" >
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[6560] | 130 | | < FULLSTOP: "." >
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[6609] | 131 | | < ELEMENT_OF: "∈" >
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[6613] | 132 | | < CROSSING: "⧉" >
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[3848] | 133 | | < COMMENT_START: "/*" > : COMMENT
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| 134 | | < UNEXPECTED_CHAR : ~[] > // avoid TokenMgrErrors because they are hard to recover from
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| 135 | }
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| 136 |
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| 137 | <COMMENT>
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| 138 | TOKEN:
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| 139 | {
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| 140 | < COMMENT_END: "*/" > : DEFAULT
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| 141 | }
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| 142 |
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| 143 | <COMMENT>
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| 144 | SKIP:
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| 145 | {
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| 146 | < ~[] >
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| 147 | }
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| 148 |
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| 149 | int uint() :
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| 150 | {
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| 151 | Token i;
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| 152 | }
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| 153 | {
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| 154 | i=<UINT> { return Integer.parseInt(i.image); }
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| 155 | }
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| 156 |
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[3911] | 157 | int int_() :
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| 158 | {
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| 159 | int i;
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| 160 | }
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| 161 | {
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| 162 | <MINUS> i=uint() { return -i; } | i=uint() { return i; }
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| 163 | }
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| 164 |
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[3848] | 165 | float ufloat() :
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| 166 | {
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| 167 | Token f;
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| 168 | }
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| 169 | {
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| 170 | ( f=<UFLOAT> | f=<UINT> )
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| 171 | { return Float.parseFloat(f.image); }
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| 172 | }
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| 173 |
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[3876] | 174 | float float_() :
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| 175 | {
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| 176 | float f;
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| 177 | }
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| 178 | {
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| 179 | <MINUS> f=ufloat() { return -f; } | f=ufloat() { return f; }
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| 180 | }
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| 181 |
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[3848] | 182 | String string() :
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| 183 | {
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| 184 | Token t;
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| 185 | }
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| 186 | {
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| 187 | t=<STRING>
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[3876] | 188 | { return t.image.substring(1, t.image.length() - 1).replace("\\\"", "\"").replace("\\\\", "\\"); }
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[3848] | 189 | }
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| 190 |
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[6896] | 191 | String ident():
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| 192 | {
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| 193 | Token t;
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| 194 | String s;
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| 195 | }
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| 196 | {
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| 197 | ( t=<IDENT> | t=<SET> | t=<NOT> | t=<AND> ) { return t.image; }
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| 198 | }
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| 199 |
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[3848] | 200 | String string_or_ident() :
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| 201 | {
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| 202 | Token t;
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| 203 | String s;
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| 204 | }
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| 205 | {
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[6896] | 206 | ( s=ident() | s=string() ) { return s; }
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[3848] | 207 | }
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| 208 |
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[3876] | 209 | String regex() :
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| 210 | {
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| 211 | Token t;
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| 212 | }
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| 213 | {
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| 214 | t=<REGEX>
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| 215 | { return t.image.substring(1, t.image.length() - 1); }
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| 216 | }
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| 217 |
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[3848] | 218 | /**
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| 219 | * white-space
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| 220 | */
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| 221 | void s() :
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| 222 | {
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| 223 | }
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| 224 | {
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| 225 | ( <S> )?
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| 226 | }
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| 227 |
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| 228 | /**
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| 229 | * mix of white-space and comments
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| 230 | */
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| 231 | void w() :
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| 232 | {
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| 233 | }
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| 234 | {
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[3876] | 235 | ( <S> | <COMMENT_START> <COMMENT_END> )*
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[3848] | 236 | }
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| 237 |
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| 238 | /**
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[6830] | 239 | * comma delimited list of floats (at least 2, all >= 0)
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[3848] | 240 | */
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[3856] | 241 | List<Float> float_array() :
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[3848] | 242 | {
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| 243 | float f;
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| 244 | List<Float> fs = new ArrayList<Float>();
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| 245 | }
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| 246 | {
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| 247 | f=ufloat() { fs.add(f); }
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| 248 | (
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| 249 | <COMMA> s()
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| 250 | f=ufloat() { fs.add(f); }
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| 251 | )+
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| 252 | {
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[3856] | 253 | return fs;
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[3848] | 254 | }
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| 255 | }
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| 256 |
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| 257 | /**
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| 258 | * root
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| 259 | */
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| 260 | void sheet(MapCSSStyleSource sheet):
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| 261 | {
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| 262 | MapCSSRule r;
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| 263 | }
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| 264 | {
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[3863] | 265 | { this.sheet = sheet; }
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[3848] | 266 | w()
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[6896] | 267 | rules(true) ( media() w() rules(true) )*
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| 268 | <EOF>
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| 269 | }
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| 270 |
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| 271 | void media():
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| 272 | {
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| 273 | boolean pass = false;
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| 274 | boolean q;
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| 275 | boolean empty = true;
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| 276 | }
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| 277 | {
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| 278 | <MEDIA> w()
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| 279 | ( q=media_query() { pass = pass || q; empty = false; }
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| 280 | ( <COMMA> w() q=media_query() { pass = pass || q; } )*
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| 281 | )?
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| 282 | <LBRACE> w()
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| 283 | rules(empty || pass)
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| 284 | <RBRACE>
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| 285 | }
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| 286 |
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| 287 | boolean media_query():
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| 288 | {
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| 289 | Token t;
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| 290 | String mediatype = "all";
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| 291 | boolean pass = true;
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| 292 | boolean invert = false;
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| 293 | boolean e;
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| 294 | }
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| 295 | {
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| 296 | ( <NOT> { invert = true; } w() )?
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[3876] | 297 | (
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[6896] | 298 | t=<IDENT> { mediatype = t.image.toLowerCase(); } w()
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| 299 | ( <AND> w() e=media_expression() { pass = pass && e; } w() )*
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| 300 | |
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| 301 | e=media_expression() { pass = pass && e; } w()
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| 302 | ( <AND> w() e=media_expression() { pass = pass && e; } w() )*
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| 303 | )
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| 304 | {
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| 305 | if (!"all".equals(mediatype)) {
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| 306 | pass = false;
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| 307 | }
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| 308 | return invert ? (!pass) : pass;
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| 309 | }
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| 310 | }
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| 311 |
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| 312 | boolean media_expression():
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| 313 | {
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| 314 | Token t;
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| 315 | String feature;
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| 316 | Object val = null;
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| 317 | }
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| 318 | {
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| 319 | <LPAR> w() t=<IDENT> { feature = t.image; } w() ( <COLON> w() val=literal() )? <RPAR>
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| 320 | { return this.sheet.evalMediaExpression(feature, val); }
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| 321 | }
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| 322 |
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| 323 | void rules(boolean add):
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| 324 | {
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| 325 | MapCSSRule r;
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| 326 | }
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| 327 | {
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| 328 | (
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[3876] | 329 | try {
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[6896] | 330 | r=rule() { if (add && r != null) { sheet.rules.add(r); } } w()
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[4069] | 331 | } catch (MapCSSException mex) {
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| 332 | error_skipto(RBRACE, mex);
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| 333 | w();
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[3876] | 334 | } catch (ParseException ex) {
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[4069] | 335 | error_skipto(RBRACE, null);
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[3876] | 336 | w();
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| 337 | }
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| 338 | )*
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[3848] | 339 | }
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| 340 |
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| 341 | MapCSSRule rule():
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| 342 | {
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| 343 | List<Selector> selectors = new ArrayList<Selector>();
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| 344 | Selector sel;
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| 345 | List<Instruction> decl;
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| 346 | }
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| 347 | {
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[3902] | 348 | sel=child_selector() { selectors.add(sel); }
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[3876] | 349 | (
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| 350 | <COMMA> w()
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[3902] | 351 | sel=child_selector() { selectors.add(sel); }
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[3876] | 352 | )*
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[3848] | 353 | decl=declaration()
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| 354 | { return new MapCSSRule(selectors, decl); }
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| 355 | }
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| 356 |
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[3902] | 357 | Selector child_selector() :
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| 358 | {
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[6607] | 359 | Selector.ChildOrParentSelectorType type = null;
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[4069] | 360 | Condition c;
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| 361 | List<Condition> conditions = new ArrayList<Condition>();
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| 362 | Selector selLeft;
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| 363 | LinkSelector selLink = null;
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| 364 | Selector selRight = null;
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[3902] | 365 | }
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| 366 | {
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[4069] | 367 | selLeft=selector() w()
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[3902] | 368 | (
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[6607] | 369 | (
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| 370 | ( <GREATER> { type = Selector.ChildOrParentSelectorType.CHILD; } | <LESS> { type = Selector.ChildOrParentSelectorType.PARENT; } )
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| 371 | ( ( c=condition(Context.LINK) | c=class_or_pseudoclass(Context.LINK) ) { conditions.add(c); } )*
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| 372 | |
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[6609] | 373 | <ELEMENT_OF> { type = Selector.ChildOrParentSelectorType.ELEMENT_OF; }
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[6613] | 374 | |
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| 375 | <CROSSING> { type = Selector.ChildOrParentSelectorType.CROSSING; }
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[6607] | 376 | )
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[4069] | 377 | { selLink = new LinkSelector(conditions); }
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| 378 | w()
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| 379 | selRight=selector() w()
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[3902] | 380 | )?
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[6607] | 381 | { return selRight != null ? new ChildOrParentSelector(selLeft, selLink, selRight, type) : selLeft; }
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[3902] | 382 | }
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| 383 |
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[3848] | 384 | Selector selector() :
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| 385 | {
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| 386 | Token base;
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| 387 | Condition c;
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| 388 | Pair<Integer, Integer> r = null;
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| 389 | List<Condition> conditions = new ArrayList<Condition>();
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| 390 | String sub = null;
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| 391 | }
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| 392 | {
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| 393 | ( base=<IDENT> | base=<STAR> )
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| 394 | ( r=zoom() )?
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[6560] | 395 | ( ( c=condition(Context.PRIMITIVE) | c=class_or_pseudoclass(Context.PRIMITIVE) ) { conditions.add(c); } )*
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[3848] | 396 | ( sub=subpart() )?
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[3902] | 397 | { return new GeneralSelector(base.image, r, conditions, sub); }
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[3848] | 398 | }
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| 399 |
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| 400 | Pair<Integer, Integer> zoom() :
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| 401 | {
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| 402 | Integer min = 0;
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| 403 | Integer max = Integer.MAX_VALUE;
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| 404 | }
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| 405 | {
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| 406 | <PIPE_Z>
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| 407 | (
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[3876] | 408 | <MINUS> max=uint()
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| 409 | |
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[4280] | 410 | LOOKAHEAD(2)
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| 411 | min=uint() <MINUS> ( max=uint() )?
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| 412 | |
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| 413 | min=uint() { max = min; }
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[3848] | 414 | )
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| 415 | { return new Pair<Integer, Integer>(min, max); }
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| 416 | }
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| 417 |
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[4069] | 418 | Condition condition(Context context) :
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[3848] | 419 | {
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[3856] | 420 | Condition c;
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| 421 | Expression e;
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| 422 | }
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| 423 | {
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[3911] | 424 | <LSQUARE> s()
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[3876] | 425 | (
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[4069] | 426 | LOOKAHEAD( simple_key_condition(context) s() <RSQUARE> )
|
---|
| 427 | c=simple_key_condition(context) s() <RSQUARE> { return c; }
|
---|
[3876] | 428 | |
|
---|
[4069] | 429 | LOOKAHEAD( simple_key_value_condition(context) s() <RSQUARE> )
|
---|
| 430 | c=simple_key_value_condition(context) s() <RSQUARE> { return c; }
|
---|
[3876] | 431 | |
|
---|
[6560] | 432 | e=expression() <RSQUARE> { return Condition.createExpressionCondition(e, context); }
|
---|
[3856] | 433 | )
|
---|
| 434 | }
|
---|
| 435 |
|
---|
[3902] | 436 | String tag_key() :
|
---|
| 437 | {
|
---|
[6896] | 438 | String s, s2;
|
---|
[3902] | 439 | Token t;
|
---|
| 440 | }
|
---|
| 441 | {
|
---|
| 442 | s=string() { return s; }
|
---|
| 443 | |
|
---|
[6896] | 444 | s=ident() ( <COLON> s2=ident() { s += ':' + s2; } )* { return s; }
|
---|
[3902] | 445 | }
|
---|
| 446 |
|
---|
[4069] | 447 | Condition simple_key_condition(Context context) :
|
---|
[3856] | 448 | {
|
---|
[3848] | 449 | boolean not = false;
|
---|
[6547] | 450 | Condition.KeyMatchType matchType = null;;
|
---|
[3848] | 451 | String key;
|
---|
| 452 | }
|
---|
| 453 | {
|
---|
| 454 | ( <EXCLAMATION> { not = true; } )?
|
---|
[6547] | 455 | (
|
---|
| 456 | { matchType = Condition.KeyMatchType.REGEX; } key = regex()
|
---|
| 457 | |
|
---|
| 458 | key = tag_key()
|
---|
| 459 | )
|
---|
| 460 | ( LOOKAHEAD(2) <QUESTION> <EXCLAMATION> { matchType = Condition.KeyMatchType.FALSE; } )?
|
---|
| 461 | ( <QUESTION> { matchType = Condition.KeyMatchType.TRUE; } )?
|
---|
[6560] | 462 | { return Condition.createKeyCondition(key, not, matchType, context); }
|
---|
[3848] | 463 | }
|
---|
| 464 |
|
---|
[4069] | 465 | Condition simple_key_value_condition(Context context) :
|
---|
[3856] | 466 | {
|
---|
| 467 | String key;
|
---|
| 468 | String val;
|
---|
[3876] | 469 | float f;
|
---|
[3911] | 470 | int i;
|
---|
[3876] | 471 | Condition.Op op;
|
---|
[6554] | 472 | boolean considerValAsKey = false;
|
---|
[3856] | 473 | }
|
---|
| 474 | {
|
---|
[3911] | 475 | key=tag_key() s()
|
---|
[3876] | 476 | (
|
---|
[6554] | 477 | LOOKAHEAD(3)
|
---|
| 478 | (
|
---|
| 479 | <EQUAL> <TILDE> { op=Condition.Op.REGEX; }
|
---|
| 480 | |
|
---|
| 481 | <EXCLAMATION> <TILDE> { op=Condition.Op.NREGEX; }
|
---|
| 482 | )
|
---|
| 483 | s()
|
---|
| 484 | ( <STAR> { considerValAsKey=true; } )?
|
---|
| 485 | val=regex()
|
---|
[3911] | 486 | |
|
---|
[3876] | 487 | (
|
---|
[3911] | 488 | <EXCLAMATION> <EQUAL> { op=Condition.Op.NEQ; }
|
---|
[3876] | 489 | |
|
---|
| 490 | <EQUAL> { op=Condition.Op.EQ; }
|
---|
| 491 | |
|
---|
[3912] | 492 | <TILDE> <EQUAL> { op=Condition.Op.ONE_OF; }
|
---|
[3876] | 493 | |
|
---|
[3912] | 494 | <CARET> <EQUAL> { op=Condition.Op.BEGINS_WITH; }
|
---|
[3876] | 495 | |
|
---|
[3912] | 496 | <DOLLAR> <EQUAL> { op=Condition.Op.ENDS_WITH; }
|
---|
[3876] | 497 | |
|
---|
[3912] | 498 | <STAR> <EQUAL> { op=Condition.Op.CONTAINS; }
|
---|
[3876] | 499 | )
|
---|
[3911] | 500 | s()
|
---|
[6554] | 501 | ( <STAR> { considerValAsKey=true; } )?
|
---|
[3911] | 502 | (
|
---|
| 503 | LOOKAHEAD(2)
|
---|
| 504 | i=int_() { val=Integer.toString(i); }
|
---|
| 505 | |
|
---|
| 506 | f=float_() { val=Float.toString(f); }
|
---|
| 507 | |
|
---|
| 508 | val=string_or_ident()
|
---|
| 509 | )
|
---|
[3876] | 510 | |
|
---|
| 511 | (
|
---|
| 512 | <GREATER_EQUAL> { op=Condition.Op.GREATER_OR_EQUAL; }
|
---|
| 513 | |
|
---|
| 514 | <GREATER> { op=Condition.Op.GREATER; }
|
---|
| 515 | |
|
---|
| 516 | <LESS_EQUAL> { op=Condition.Op.LESS_OR_EQUAL; }
|
---|
| 517 | |
|
---|
| 518 | <LESS> { op=Condition.Op.LESS; }
|
---|
| 519 | )
|
---|
[3911] | 520 | s()
|
---|
| 521 | f=float_() { val=Float.toString(f); }
|
---|
[3876] | 522 | )
|
---|
[6560] | 523 | { return Condition.createKeyValueCondition(key, val, op, context, considerValAsKey); }
|
---|
[3856] | 524 | }
|
---|
| 525 |
|
---|
[6560] | 526 | Condition class_or_pseudoclass(Context context) :
|
---|
[3848] | 527 | {
|
---|
[6896] | 528 | String s;
|
---|
[3848] | 529 | boolean not = false;
|
---|
[6560] | 530 | boolean pseudo;
|
---|
[3848] | 531 | }
|
---|
| 532 | {
|
---|
[3888] | 533 | ( <EXCLAMATION> { not = true; } )?
|
---|
[6560] | 534 | (
|
---|
| 535 | <FULLSTOP> { pseudo = false; }
|
---|
| 536 | |
|
---|
| 537 | <COLON> { pseudo = true; }
|
---|
| 538 | )
|
---|
[6896] | 539 | s=ident()
|
---|
[6560] | 540 | { return pseudo
|
---|
[6896] | 541 | ? Condition.createPseudoClassCondition(s, not, context)
|
---|
| 542 | : Condition.createClassCondition(s, not, context); }
|
---|
[3848] | 543 | }
|
---|
| 544 |
|
---|
| 545 | String subpart() :
|
---|
| 546 | {
|
---|
[6896] | 547 | String s;
|
---|
[3848] | 548 | }
|
---|
| 549 | {
|
---|
[3876] | 550 | <DCOLON>
|
---|
[6896] | 551 | ( s=ident() { return s; } | <STAR> { return "*"; } )
|
---|
[3848] | 552 | }
|
---|
| 553 |
|
---|
| 554 | List<Instruction> declaration() :
|
---|
| 555 | {
|
---|
| 556 | List<Instruction> ins = new ArrayList<Instruction>();
|
---|
| 557 | Instruction i;
|
---|
| 558 | Token key;
|
---|
[6560] | 559 | Object val = null;
|
---|
[3848] | 560 | }
|
---|
| 561 | {
|
---|
[3876] | 562 | <LBRACE> w()
|
---|
[3848] | 563 | (
|
---|
[6560] | 564 | (
|
---|
[6561] | 565 | <SET> w()
|
---|
| 566 | (<FULLSTOP>)? // specification allows "set .class" to set "class". we also support "set class"
|
---|
| 567 | key=<IDENT> w()
|
---|
| 568 | ( <EQUAL> val=expression() )?
|
---|
[6611] | 569 | { ins.add(new Instruction.AssignmentInstruction(key.image, val == null ? true : val, true)); }
|
---|
[6561] | 570 | ( <RBRACE> { return ins; } | <SEMICOLON> w() )
|
---|
[6560] | 571 | )
|
---|
[6561] | 572 | |
|
---|
[3876] | 573 | key=<IDENT> w() <COLON> w()
|
---|
| 574 | (
|
---|
| 575 | LOOKAHEAD( float_array() w() ( <SEMICOLON> | <RBRACE> ) )
|
---|
| 576 | val=float_array()
|
---|
[6611] | 577 | { ins.add(new Instruction.AssignmentInstruction(key.image, val, false)); }
|
---|
[3876] | 578 | w()
|
---|
| 579 | ( <RBRACE> { return ins; } | <SEMICOLON> w() )
|
---|
| 580 | |
|
---|
| 581 | LOOKAHEAD( expression() ( <SEMICOLON> | <RBRACE> ) )
|
---|
| 582 | val=expression()
|
---|
[6611] | 583 | { ins.add(new Instruction.AssignmentInstruction(key.image, val, false)); }
|
---|
[3876] | 584 | ( <RBRACE> { return ins; } | <SEMICOLON> w() )
|
---|
| 585 | |
|
---|
[6611] | 586 | val=readRaw() w() { ins.add(new Instruction.AssignmentInstruction(key.image, val, false)); }
|
---|
[3876] | 587 | )
|
---|
| 588 | )*
|
---|
| 589 | <RBRACE>
|
---|
| 590 | { return ins; }
|
---|
[3848] | 591 | }
|
---|
| 592 |
|
---|
| 593 | Expression expression():
|
---|
| 594 | {
|
---|
| 595 | List<Expression> args = new ArrayList<Expression>();
|
---|
| 596 | Expression e;
|
---|
| 597 | String op = null;
|
---|
| 598 | }
|
---|
| 599 | {
|
---|
| 600 | (
|
---|
[3876] | 601 | <EXCLAMATION> { op = "not"; } w() e=primary() { args.add(e); } w()
|
---|
[3867] | 602 | |
|
---|
[3876] | 603 | <MINUS> { op = "minus"; } w() e=primary() { args.add(e); } w()
|
---|
[3867] | 604 | |
|
---|
[3876] | 605 |
|
---|
[3867] | 606 | (
|
---|
| 607 | e=primary() { args.add(e); } w()
|
---|
| 608 | (
|
---|
| 609 | ( <PLUS> { op = "plus"; } w() e=primary() { args.add(e); } w() )+
|
---|
| 610 | |
|
---|
| 611 | ( <STAR> { op = "times"; } w() e=primary() { args.add(e); } w() )+
|
---|
| 612 | |
|
---|
| 613 | ( <MINUS> { op = "minus"; } w() e=primary() { args.add(e); } w() )+
|
---|
| 614 | |
|
---|
| 615 | ( <SLASH> { op = "divided_by"; } w() e=primary() { args.add(e); } w() )+
|
---|
| 616 | |
|
---|
[3876] | 617 | <GREATER_EQUAL> { op = "greater_equal"; } w() e=primary() { args.add(e); } w()
|
---|
[3867] | 618 | |
|
---|
[3876] | 619 | <LESS_EQUAL> { op = "less_equal"; } w() e=primary() { args.add(e); } w()
|
---|
[3867] | 620 | |
|
---|
[3876] | 621 | <GREATER> { op = "greater"; } w() e=primary() { args.add(e); } w()
|
---|
[3867] | 622 | |
|
---|
[3876] | 623 | <EQUAL> ( <EQUAL> )? { op = "equal"; } w() e=primary() { args.add(e); } w()
|
---|
[3867] | 624 | |
|
---|
[3876] | 625 | <LESS> { op = "less"; } w() e=primary() { args.add(e); } w()
|
---|
[3867] | 626 | |
|
---|
[3876] | 627 | <AMPERSAND> <AMPERSAND> { op = "and"; } w() e=primary() { args.add(e); } w()
|
---|
[3867] | 628 | |
|
---|
[3876] | 629 | <PIPE> <PIPE> { op = "or"; } w() e=primary() { args.add(e); } w()
|
---|
[3867] | 630 | |
|
---|
[3876] | 631 | <QUESTION> { op = "cond"; } w() e=primary() { args.add(e); } w() <COLON> w() e=primary() { args.add(e); } w()
|
---|
[3867] | 632 | )?
|
---|
| 633 | )
|
---|
| 634 | )
|
---|
[3848] | 635 | {
|
---|
[3856] | 636 | if (op == null)
|
---|
[3848] | 637 | return args.get(0);
|
---|
[5705] | 638 | return ExpressionFactory.createFunctionExpression(op, args);
|
---|
[3848] | 639 | }
|
---|
| 640 | }
|
---|
| 641 |
|
---|
| 642 | Expression primary() :
|
---|
| 643 | {
|
---|
| 644 | Expression nested;
|
---|
[5705] | 645 | Expression fn;
|
---|
[3848] | 646 | Object lit;
|
---|
| 647 | }
|
---|
| 648 | {
|
---|
[3971] | 649 | LOOKAHEAD(3) // both function and identifier start with an identifier (+ optional whitespace)
|
---|
[3848] | 650 | fn=function() { return fn; }
|
---|
| 651 | |
|
---|
| 652 | lit=literal() { return new LiteralExpression(lit); }
|
---|
| 653 | |
|
---|
[3876] | 654 | <LPAR> w() nested=expression() <RPAR> { return nested; }
|
---|
[3848] | 655 | }
|
---|
| 656 |
|
---|
[5705] | 657 | Expression function() :
|
---|
[3848] | 658 | {
|
---|
| 659 | Token tmp;
|
---|
| 660 | Expression arg;
|
---|
| 661 | String name;
|
---|
| 662 | List<Expression> args = new ArrayList<Expression>();
|
---|
| 663 | }
|
---|
| 664 | {
|
---|
[6896] | 665 | name=ident() w()
|
---|
[3848] | 666 | <LPAR> w()
|
---|
[3856] | 667 | (
|
---|
| 668 | arg=expression() { args.add(arg); }
|
---|
| 669 | ( <COMMA> w() arg=expression() { args.add(arg); } )*
|
---|
| 670 | )?
|
---|
[3848] | 671 | <RPAR>
|
---|
[5705] | 672 | { return ExpressionFactory.createFunctionExpression(name, args); }
|
---|
[3848] | 673 | }
|
---|
| 674 |
|
---|
| 675 | Object literal() :
|
---|
| 676 | {
|
---|
[3967] | 677 | String val;
|
---|
[6740] | 678 | Token t, t2;
|
---|
[3848] | 679 | float f;
|
---|
| 680 | }
|
---|
| 681 | {
|
---|
[6740] | 682 | LOOKAHEAD(2)
|
---|
| 683 | t2=<IDENT> t=<HEXCOLOR>
|
---|
| 684 | { return Main.pref.getColor("mappaint." + (sheet == null ? "MapCSS" : sheet.title) + "." + t2.image, ColorHelper.html2color(t.image)); }
|
---|
| 685 | |
|
---|
[3967] | 686 | t=<IDENT> { return new Keyword(t.image); }
|
---|
[3848] | 687 | |
|
---|
[3967] | 688 | val=string() { return val; }
|
---|
| 689 | |
|
---|
[3876] | 690 | <PLUS> f=ufloat() { return new Instruction.RelativeFloat(f); }
|
---|
[3848] | 691 | |
|
---|
| 692 | f=ufloat() { return f; }
|
---|
| 693 | |
|
---|
[6740] | 694 | t=<HEXCOLOR> { return ColorHelper.html2color(t.image); }
|
---|
[3848] | 695 | }
|
---|
| 696 |
|
---|
| 697 | JAVACODE
|
---|
[4069] | 698 | void error_skipto(int kind, MapCSSException me) {
|
---|
[3893] | 699 | if (token.kind == EOF)
|
---|
| 700 | throw new ParseException("Reached end of file while parsing");
|
---|
[4069] | 701 |
|
---|
| 702 | Exception e = null;
|
---|
| 703 | ParseException pe = generateParseException();
|
---|
| 704 |
|
---|
| 705 | if (me != null) {
|
---|
| 706 | me.setLine(pe.currentToken.next.beginLine);
|
---|
| 707 | me.setColumn(pe.currentToken.next.beginColumn);
|
---|
| 708 | e = me;
|
---|
| 709 | } else {
|
---|
| 710 | e = new ParseException(pe.getMessage()); // prevent memory leak
|
---|
| 711 | }
|
---|
| 712 |
|
---|
[6248] | 713 | Main.error("Skipping to the next rule, because of an error:");
|
---|
| 714 | Main.error(e);
|
---|
[3863] | 715 | if (sheet != null) {
|
---|
[4069] | 716 | sheet.logError(e);
|
---|
[3863] | 717 | }
|
---|
| 718 | Token t;
|
---|
| 719 | do {
|
---|
| 720 | t = getNextToken();
|
---|
[3867] | 721 | } while (t.kind != kind && t.kind != EOF);
|
---|
| 722 | if (t.kind == EOF)
|
---|
| 723 | throw new ParseException("Reached end of file while parsing");
|
---|
[3848] | 724 | }
|
---|
| 725 |
|
---|
[3876] | 726 | JAVACODE
|
---|
| 727 | /**
|
---|
| 728 | * read everything to the next semicolon
|
---|
| 729 | */
|
---|
| 730 | String readRaw() {
|
---|
| 731 | Token t;
|
---|
| 732 | StringBuilder s = new StringBuilder();
|
---|
| 733 | while (true) {
|
---|
| 734 | t = getNextToken();
|
---|
[3893] | 735 | if ((t.kind == S || t.kind == STRING || t.kind == UNEXPECTED_CHAR) &&
|
---|
| 736 | t.image.contains("\n")) {
|
---|
| 737 | 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] | 738 | Main.error(e);
|
---|
[3893] | 739 | if (sheet != null) {
|
---|
| 740 | sheet.logError(e);
|
---|
| 741 | }
|
---|
| 742 | }
|
---|
[3876] | 743 | if (t.kind == SEMICOLON || t.kind == EOF)
|
---|
| 744 | break;
|
---|
| 745 | s.append(t.image);
|
---|
| 746 | }
|
---|
| 747 | if (t.kind == EOF)
|
---|
| 748 | throw new ParseException("Reached end of file while parsing");
|
---|
| 749 | return s.toString();
|
---|
| 750 | }
|
---|
| 751 |
|
---|