Package org.apache.beehive.netui.script.el

Examples of org.apache.beehive.netui.script.el.ParsedExpression

33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
    }

// 3.
    final public ParsedExpression parse() throws ParseException {
        Token t = null;
        ParsedExpression pe = new ParsedExpression();
        Term term = null;
        label_1:
        while(true) {
            switch((jj_ntk == -1) ? jj_ntk() : jj_ntk) {
                case NON_EXPRESSION_TEXT:
                case START_EXPRESSION:
                case ESCAPED_START_EXPRESSION:
                    ;
                    break;
                default:
                    jj_la1[0] = jj_gen;
                    break label_1;
            }
            switch((jj_ntk == -1) ? jj_ntk() : jj_ntk) {
                case NON_EXPRESSION_TEXT:
                    term = parseLiteralTerm();
                    pe.addTerm(term);
                    break;
                case START_EXPRESSION:
                    jj_consume_token(START_EXPRESSION);
                    term = parseExpression();
                    jj_consume_token(END_EXPRESSION);
                    pe.addTerm(term);
                    break;
                case ESCAPED_START_EXPRESSION:
                    jj_consume_token(ESCAPED_START_EXPRESSION);
                    term = parseExpression();
                    jj_consume_token(END_EXPRESSION);
                    pe.addTerm(new LiteralTerm("\\"));
                    pe.addTerm(term);
                    break;
                default:
                    jj_la1[1] = jj_gen;
                    jj_consume_token(-1);
                    throw new ParseException();
View Full Code Here
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
    /* do not construct */
    private ParseUtils() {}

    public static final ParsedExpression parse(String exprStr) {
        ParsedExpression pe = (ParsedExpression) PARSED_CACHE.get(exprStr);

        if(pe != null)
            return pe;

        try {
            NetUIELParser learn = new NetUIELParser(new StringReader(exprStr));

            ParsedExpression expr = learn.parse();
            expr.seal();

            /* infrequent; this should only happen when there is a cache miss */
            synchronized(PARSED_CACHE) {
                PARSED_CACHE.put(exprStr, expr);
            }
View Full Code Here
73
74
75
76
77
78
79
80
81
            throw new ExpressionParseException(msg, tm);
        }
    }

    public static final Object evaluate(String exprStr, NetUIVariableResolver vr) {
        ParsedExpression expr = parse(exprStr);
        assert expr != null;
        return expr.evaluate(vr);
    }
View Full Code Here
79
80
81
82
83
84
85
86
87
        assert expr != null;
        return expr.evaluate(vr);
    }

    public static final void update(String exprStr, Object value, NetUIVariableResolver vr) {
        ParsedExpression expr = parse(exprStr);
        assert expr != null;
        expr.update(value, vr);
    }
View Full Code Here
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
    }

// 3.
    final public ParsedExpression parse() throws ParseException {
        Token t = null;
        ParsedExpression pe = new ParsedExpression();
        Term term = null;
        label_1:
        while(true) {
            switch((jj_ntk == -1) ? jj_ntk() : jj_ntk) {
                case NON_EXPRESSION_TEXT:
                case START_EXPRESSION:
                case ESCAPED_START_EXPRESSION:
                    ;
                    break;
                default:
                    jj_la1[0] = jj_gen;
                    break label_1;
            }
            switch((jj_ntk == -1) ? jj_ntk() : jj_ntk) {
                case NON_EXPRESSION_TEXT:
                    term = parseLiteralTerm();
                    pe.addTerm(term);
                    break;
                case START_EXPRESSION:
                    jj_consume_token(START_EXPRESSION);
                    term = parseExpression();
                    jj_consume_token(END_EXPRESSION);
                    pe.addTerm(term);
                    break;
                case ESCAPED_START_EXPRESSION:
                    jj_consume_token(ESCAPED_START_EXPRESSION);
                    term = parseExpression();
                    jj_consume_token(END_EXPRESSION);
                    pe.addTerm(new LiteralTerm("\\"));
                    pe.addTerm(term);
                    break;
                default:
                    jj_la1[1] = jj_gen;
                    jj_consume_token(-1);
                    throw new ParseException();
View Full Code Here
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
     * Parse the givne String into a {@link ParsedExpression}.
     * @param expression the expression
     * @return the parsed expression
     */
    public static ParsedExpression parse(String expression) {
        ParsedExpression pe = (ParsedExpression)PARSED_CACHE.get(expression);

        if(pe != null)
            return pe;

        try {
            NetUIELParser learn = new NetUIELParser(new StringReader(expression));

            ParsedExpression expr = learn.parse();
            expr.seal();

            /* infrequent; this should only happen when there is a cache miss */
            synchronized(PARSED_CACHE) {
                PARSED_CACHE.put(expression, expr);
            }
View Full Code Here
79
80
81
82
83
84
85
86
87
            throw new ExpressionParseException(msg, tm);
        }
    }

    public static Object evaluate(String exprStr, NetUIVariableResolver vr) {
        ParsedExpression expr = parse(exprStr);
        assert expr != null;
        return expr.evaluate(vr);
    }
View Full Code Here
85
86
87
88
89
90
91
92
93
        assert expr != null;
        return expr.evaluate(vr);
    }

    public static void update(String exprStr, Object value, NetUIVariableResolver vr) {
        ParsedExpression expr = parse(exprStr);
        assert expr != null;
        expr.update(value, vr);
    }
View Full Code Here
TOP

Related Classes of org.apache.beehive.netui.script.el.ParsedExpression

  • org.apache.beehive.netui.script.el.parser.NetUIELParser
  • org.apache.beehive.netui.script.el.util.ParseUtils
  • org.apache.beehive.netui.util.internal.InternalStringBuilder
    • Copyright © 2018 www.massapicom. All rights reserved.
    All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.