Changeset 8256 in josm
- Timestamp:
- 2015-04-25T00:44:00+02:00 (9 years ago)
- Location:
- trunk/src/org/openstreetmap/josm/gui/mappaint/mapcss
- Files:
-
- 2 edited
Legend:
- Unmodified
- Added
- Removed
-
trunk/src/org/openstreetmap/josm/gui/mappaint/mapcss/ExpressionFactory.java
r8253 r8256 618 618 619 619 /** 620 * Determines if the objects {@code a} and {@code b} are not equal. 621 * @param a First object 622 * @param b Second object 623 * @return {@code false} if objects are equal, {@code true} otherwise 624 * @see Object#equals(Object) 625 */ 626 public static boolean not_equal(Object a, Object b) { 627 return !equal(a,b); 628 } 629 /** 620 630 * Determines whether the JOSM search with {@code searchStr} applies to the object. 621 631 * @param env the environment -
trunk/src/org/openstreetmap/josm/gui/mappaint/mapcss/MapCSSParser.jj
r8087 r8256 10 10 import java.io.InputStream; 11 11 import java.util.ArrayList; 12 import java.util.Arrays; 13 import java.util.Collections; 12 14 import java.util.List; 13 15 … … 854 856 } 855 857 856 Expression expression(): 857 { 858 List<Expression> args = new ArrayList<Expression>(); 858 /** 859 * General expression. 860 * Separate production rule for each level of operator precedence (recursive descent). 861 */ 862 Expression expression() : 863 { 864 Expression e; 865 } 866 { 867 e=conditional_expression() 868 { 869 return e; 870 } 871 } 872 873 Expression conditional_expression() : 874 { 875 Expression e, e1, e2; 876 String op = null; 877 } 878 { 879 e=or_expression() 880 ( 881 <QUESTION> w() 882 e1=conditional_expression() 883 <COLON> w() 884 e2=conditional_expression() 885 { 886 e = ExpressionFactory.createFunctionExpression("cond", Arrays.asList(e, e1, e2)); 887 } 888 )? 889 { 890 return e; 891 } 892 } 893 894 Expression or_expression() : 895 { 896 Expression e, e2; 897 String op = null; 898 } 899 { 900 e=and_expression() 901 ( 902 <PIPE> <PIPE> w() 903 e2=and_expression() 904 { 905 e = ExpressionFactory.createFunctionExpression("or", Arrays.asList(e, e2)); 906 } 907 )* 908 { 909 return e; 910 } 911 } 912 913 Expression and_expression() : 914 { 915 Expression e, e2; 916 String op = null; 917 } 918 { 919 e=relational_expression() 920 ( 921 <AMPERSAND> <AMPERSAND> w() 922 e2=relational_expression() 923 { 924 e = ExpressionFactory.createFunctionExpression("and", Arrays.asList(e, e2)); 925 } 926 )* 927 { 928 return e; 929 } 930 } 931 932 Expression relational_expression() : 933 { 934 Expression e, e2; 935 String op = null; 936 } 937 { 938 e=additive_expression() 939 ( 940 ( 941 <GREATER_EQUAL> { op = "greater_equal"; } 942 | 943 <LESS_EQUAL> { op = "less_equal"; } 944 | 945 <GREATER> { op = "greater"; } 946 | 947 <LESS> { op = "less"; } 948 | 949 <EQUAL> ( <EQUAL> )? { op = "equal"; } 950 | 951 <EXCLAMATION> <EQUAL> { op = "not_equal"; } 952 ) w() 953 e2=additive_expression() 954 { 955 e = ExpressionFactory.createFunctionExpression(op, Arrays.asList(e, e2)); 956 } 957 )? 958 { 959 return e; 960 } 961 } 962 963 Expression additive_expression() : 964 { 965 Expression e, e2; 966 String op = null; 967 } 968 { 969 e=multiplicative_expression() 970 ( 971 ( <PLUS> { op = "plus"; } | <MINUS> { op = "minus"; } ) w() 972 e2=multiplicative_expression() 973 { 974 e = ExpressionFactory.createFunctionExpression(op, Arrays.asList(e, e2)); 975 } 976 )* 977 { 978 return e; 979 } 980 } 981 982 Expression multiplicative_expression() : 983 { 984 Expression e, e2; 985 String op = null; 986 } 987 { 988 e=unary_expression() 989 ( 990 ( <STAR> { op = "times"; } | <SLASH> { op = "divided_by"; } ) w() 991 e2=unary_expression() 992 { 993 e = ExpressionFactory.createFunctionExpression(op, Arrays.asList(e, e2)); 994 } 995 )* 996 { 997 return e; 998 } 999 } 1000 1001 Expression unary_expression() : 1002 { 859 1003 Expression e; 860 1004 String op = null; … … 862 1006 { 863 1007 ( 864 <EXCLAMATION> { op = "not"; } w() e=primary() { args.add(e); } w() 865 | 866 <MINUS> { op = "minus"; } w() e=primary() { args.add(e); } w() 867 | 868 869 ( 870 e=primary() { args.add(e); } w() 871 ( 872 ( <PLUS> { op = "plus"; } w() e=primary() { args.add(e); } w() )+ 873 | 874 ( <STAR> { op = "times"; } w() e=primary() { args.add(e); } w() )+ 875 | 876 ( <MINUS> { op = "minus"; } w() e=primary() { args.add(e); } w() )+ 877 | 878 ( <SLASH> { op = "divided_by"; } w() e=primary() { args.add(e); } w() )+ 879 | 880 <GREATER_EQUAL> { op = "greater_equal"; } w() e=primary() { args.add(e); } w() 881 | 882 <LESS_EQUAL> { op = "less_equal"; } w() e=primary() { args.add(e); } w() 883 | 884 <GREATER> { op = "greater"; } w() e=primary() { args.add(e); } w() 885 | 886 <EQUAL> ( <EQUAL> )? { op = "equal"; } w() e=primary() { args.add(e); } w() 887 | 888 <LESS> { op = "less"; } w() e=primary() { args.add(e); } w() 889 | 890 <AMPERSAND> <AMPERSAND> { op = "and"; } w() e=primary() { args.add(e); } w() 891 | 892 <PIPE> <PIPE> { op = "or"; } w() e=primary() { args.add(e); } w() 893 | 894 <QUESTION> { op = "cond"; } w() e=primary() { args.add(e); } w() <COLON> w() e=primary() { args.add(e); } w() 895 )? 896 ) 897 ) 1008 <MINUS> { op = "minus"; } w() 1009 | 1010 <EXCLAMATION> { op = "not"; } w() 1011 )? 1012 e=primary() w() 898 1013 { 899 1014 if (op == null) 900 return args.get(0);901 return ExpressionFactory.createFunctionExpression(op, args);1015 return e; 1016 return ExpressionFactory.createFunctionExpression(op, Collections.singletonList(e)); 902 1017 } 903 1018 }
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