From d635b2b3870717e4af475e1349765f75878eadcf Mon Sep 17 00:00:00 2001 From: Michael Williamson Date: Wed, 30 Sep 2015 18:55:40 +0100 Subject: Allow arguments to be passed to methods --- src/main/java/org/zwobble/couscous/values/StringValue.java | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) (limited to 'src/main/java/org/zwobble/couscous/values/StringValue.java') diff --git a/src/main/java/org/zwobble/couscous/values/StringValue.java b/src/main/java/org/zwobble/couscous/values/StringValue.java index 0e3f626..3a1a13d 100644 --- a/src/main/java/org/zwobble/couscous/values/StringValue.java +++ b/src/main/java/org/zwobble/couscous/values/StringValue.java @@ -1,15 +1,22 @@ package org.zwobble.couscous.values; +import java.util.List; + import lombok.Value; +import lombok.val; @Value public class StringValue implements InterpreterValue { String value; @Override - public InterpreterValue callMethod(String methodName) { + public InterpreterValue callMethod(String methodName, List arguments) { if (methodName == "length") { return new IntegerValue(value.length()); + } else if (methodName == "substring") { + val startIndex = (IntegerValue)arguments.get(0); + val endIndex = (IntegerValue)arguments.get(1); + return new StringValue(value.substring(startIndex.getValue(), endIndex.getValue())); } else { throw new UnsupportedOperationException(); } -- cgit v1.2.3