@Override
public Object childEvaluate(Parser parser, String functionName, List<Object> parameters)
throws ParserException {
Object numArgs = parser.getVariable("macro.args.num");
int argCount = 0;
if (numArgs instanceof BigDecimal) {
argCount = ((BigDecimal) numArgs).intValue();
}
if (functionName.equals("argCount")) {
return BigDecimal.valueOf(argCount);
}
if (parameters.size() != 1 || !(parameters.get(0) instanceof BigDecimal)) {
throw new ParserException(I18N.getText("macro.function.args.incorrectParam", "arg"));
}
int argNo = ((BigDecimal) parameters.get(0)).intValue();
if (argCount == 0 && argNo == 0) {
return parser.getVariable("macro.args");
}
if (argNo < 0 || argNo >= argCount) {
throw new ParserException(
I18N.getText("macro.function.args.outOfRange", "arg", argNo, argCount - 1));
}
return parser.getVariable("macro.args." + argNo);
}
/**
* Gets the label of the token
*
* @param parser The parser that called the Object.
* @param args The arguments passed.
* @return the name of the token.
* @throws ParserException when an error occurs.
*/
private Object getLabel(Parser parser, List<Object> args) throws ParserException {
Token token;
if (args.size() == 1) {
if (!MapTool.getParser().isMacroTrusted()) {
throw new ParserException(I18N.getText("macro.function.general.noPermOther", "getLabel"));
}
token = FindTokenFunctions.findToken(args.get(0).toString(), null);
if (token == null) {
throw new ParserException(
I18N.getText(
"macro.function.general.unknownToken", "getLabel", args.get(0).toString()));
}
} else if (args.isEmpty()) {
MapToolVariableResolver res = (MapToolVariableResolver) parser.getVariableResolver();
token = res.getTokenInContext();
if (token == null) {
throw new ParserException(
I18N.getText("macro.function.general.noImpersonated", "getLabel"));
}
} else {
throw new ParserException(
I18N.getText("macro.function.general.tooManyParam", "getLabel", 1, args.size()));
}
return getLabel(token);
}
/**
* Sets the label of the token.
*
* @param parser The parser that called the Object.
* @param args The arguments passed.
* @return the new name of the token.
* @throws ParserException when an error occurs.
*/
private Object setLabel(Parser parser, List<Object> args) throws ParserException {
Token token;
if (args.size() == 2) {
if (!MapTool.getParser().isMacroTrusted()) {
throw new ParserException(I18N.getText("macro.function.general.noPermOther", "setLabel"));
}
token = FindTokenFunctions.findToken(args.get(1).toString(), null);
if (token == null) {
throw new ParserException(
I18N.getText(
"macro.function.general.unknownToken", "setLabel", args.get(1).toString()));
}
} else if (args.size() == 1) {
MapToolVariableResolver res = (MapToolVariableResolver) parser.getVariableResolver();
token = res.getTokenInContext();
if (token == null) {
throw new ParserException(
I18N.getText("macro.function.general.noImpersonated", "setLabel"));
}
} else if (args.isEmpty()) {
throw new ParserException(
I18N.getText("macro.function.general.notEnoughParam", "setLabel", 1, args.size()));
} else {
throw new ParserException(
I18N.getText("macro.function.general.tooManyParam", "setLabel", 2, args.size()));
}
setLabel(token, args.get(0).toString());
Zone zone = MapTool.getFrame().getCurrentZoneRenderer().getZone();
MapTool.serverCommand().putToken(zone.getId(), token);
zone.putToken(token);
return args.get(0);
}
