java-commons/muscript/src/main/java/io/gitlab/jfronny/muscript/compiler/expr/Variable.java

package io.gitlab.jfronny.muscript.compiler.expr;

import io.gitlab.jfronny.muscript.compiler.*;
import io.gitlab.jfronny.muscript.dynamic.*;

public class Variable extends Expr.DynamicExpr {
    private final String name;

    public Variable(String name) {
        this.name = name;
    }

    @Override
    public Dynamic<?> get(Dynamic<?> branch, Dynamic<?> dataRoot) {
        if (branch.asObject().has(name)) return branch.asObject().get(name);
        else if (name.contains("::")) {
            Dynamic<?> res = branch;
            for (String s : name.split("::")) {
                if (!res.asObject().has(s))
                    throw new IllegalArgumentException("This object doesn't contain that name");
                res = res.asObject().get(s);
            }
            return res;
        } else throw new IllegalArgumentException("This object doesn't contain that name");
    }
}