package net.sourceforge.phpeclipse.xdebug.php.model;

import org.w3c.dom.Node;

public class XDebugBooleanValue extends XDebugAbstractValue {

	public XDebugBooleanValue(XDebugVariable variable, Node varNode,
			String typeName) {
		super(variable, varNode, typeName);
	}

	public boolean supportsValueModification() {
		return true;
	}

	public void setType(String typeName) {
		fType = XDebugAbstractValue.VALUETYPE_BOOLEAN;
		fTypeName = typeName;
	}

	public void renderValueString(String data) {
		int value = -1;
		try {
			value = Integer.parseInt(data);
		} catch (NumberFormatException e) {
			data = data.toLowerCase();
			if (data.equals("true") || data.equals("false"))
				fValueString = data;
			else
				fValueString = "not defined";
		}
		if (value == 0)
			fValueString = "false";
		else if (value == 1)
			fValueString = "true";
		else
			fValueString = "not defined";
	}

	public boolean verifyValue(String expression) {
		int value = -1;
		try {
			value = Integer.parseInt(expression);
		} catch (NumberFormatException e) {
			expression = expression.toLowerCase();
			if (expression.equals("true") || expression.equals("false"))
				return true;
			else
				return false;
		}
		if ((value >= 0) && (value <= 1))
			return true;
		return false;
	}

}