cfml.parsing.cfscript.CFLiteral.java Source code

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Here is the source code for cfml.parsing.cfscript.CFLiteral.java

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/* 
 *  Copyright (C) 2000 - 2010 TagServlet Ltd
 *
 *  This file is part of Open BlueDragon (OpenBD) CFML Server Engine.
 *  
 *  OpenBD is free software: you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  Free Software Foundation,version 3.
 *  
 *  OpenBD is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *  
 *  You should have received a copy of the GNU General Public License
 *  along with OpenBD.  If not, see http://www.gnu.org/licenses/
 *  
 *  Additional permission under GNU GPL version 3 section 7
 *  
 *  If you modify this Program, or any covered work, by linking or combining 
 *  it with any of the JARS listed in the README.txt (or a modified version of 
 *  (that library), containing parts covered by the terms of that JAR, the 
 *  licensors of this Program grant you additional permission to convey the 
 *  resulting work. 
 *  README.txt @ http://www.openbluedragon.org/license/README.txt
 *  
 *  http://www.openbluedragon.org/
 */

package cfml.parsing.cfscript;

import org.antlr.v4.runtime.Token;

import cfml.CFSCRIPTLexer;

public class CFLiteral extends CFExpression implements java.io.Serializable {
    private static final long serialVersionUID = 1L;

    private String val;
    private int kind;
    private String image;

    public CFLiteral(Token _t, String img) {
        this(_t);
        val = img;
        image = img;
    }

    public CFLiteral(Token _t) {
        super(_t);
        kind = _t.getType();
        image = _t.getText();
        switch (kind) {
        case CFSCRIPTLexer.FLOATING_POINT_LITERAL:
        case CFSCRIPTLexer.INTEGER_LITERAL:
            val = _t.getText();
            break;
        case CFSCRIPTLexer.STRING_LITERAL:
            // create a String, stripping off the surrounding quotes and
            // replacing any escaped quotes with a single quote
            String quote = _t.getText().substring(0, 1);
            String str = _t.getText().substring(1, _t.getText().length() - 1);
            str = str.replaceAll(quote + quote, quote);
            image = str;
            val = str;
            break;
        case CFSCRIPTLexer.BOOLEAN_LITERAL:
            val = _t.getText();
            break;
        // CFML doesn't do nulls, to my knowledge
        // case CFSCRIPTLexer.NULL:
        // val = "";
        // break;
        default:
            break;
        }
    }

    public byte getType() {
        return CFExpression.LITERAL;
    }

    public String getStringImage() {
        return image;
    }

    public String Decompile(int indent) {
        try {
            if (CFSCRIPTLexer.STRING_LITERAL == kind && val != null) {
                return "'" + val + "'";
            } else {
                return val;
            }
        } catch (Exception e) {
            return "Couldn't get literal value";
        }

    }
}