Method evaluateExpression

code/src/java/pcgen/io/ExportHandler.java:416–623

Helper method to evaluate an expression, used by OIF and IIF tokens @param expr Expression to evaluate @param aPC PC containing values to help evaluate the expression @return true if the expression was evaluated successfully, else false

(final String expr, final PlayerCharacter aPC)

	 * @return true if the expression was evaluated successfully, else false
	 */
	private boolean evaluateExpression(final String expr, final PlayerCharacter aPC)
	{
		// Deal with the AND case
		if (expr.indexOf(".AND.") > 0)
		{
			final String part1 = expr.substring(0, expr.indexOf(".AND."));
			final String part2 = expr.substring(expr.indexOf(".AND.") + 5);

			return (evaluateExpression(part1, aPC) && evaluateExpression(part2, aPC));
		}

		// Deal with the OR case
		if (expr.indexOf(".OR.") > 0)
		{
			final String part1 = expr.substring(0, expr.indexOf(".OR."));
			final String part2 = expr.substring(expr.indexOf(".OR.") + 4);

			return (evaluateExpression(part1, aPC) || evaluateExpression(part2, aPC));
		}

		/*
		 * Deal with objects held in the loopVariables and loopParameters
		 * sets, e.g. replace the key place holder with the actual value
		 */
		String expr1 = expr;
		expr1 = replaceVariables(expr1, loopParameters);
		expr1 = replaceVariables(expr1, loopVariables);

		// Deal with HASVAR:
		if (expr1.startsWith("HASVAR:"))
		{
			expr1 = expr1.substring(7).trim();
			return (aPC.getVariableValue(expr1, "").intValue() > 0);
		}

		// Deal with HASFEAT:
		if (expr1.startsWith("HASFEAT:"))
		{
			expr1 = expr1.substring(8).trim();
			return (aPC.hasAbilityKeyed(AbilityCategory.FEAT, expr1));
		}

		// Deal with HASSA:
		if (expr1.startsWith("HASSA:"))
		{
			expr1 = expr1.substring(6).trim();
			return (aPC.hasSpecialAbility(expr1));
		}

		// Deal with HASEQUIP:
		if (expr1.startsWith("HASEQUIP:"))
		{
			expr1 = expr1.substring(9).trim();
			return (aPC.getEquipmentNamed(expr1) != null);
		}

		if (expr1.startsWith("SPELLCASTER:"))
		{