org.apache.sling.scripting.sightly.compiler.commands.Procedure Maven / Gradle / Ivy

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package org.apache.sling.scripting.sightly.compiler.commands;

import java.util.Collections;
import java.util.HashSet;
import java.util.Set;

/**
 * This {@link Command} allows defining a HTL template - the only functional construct of the language.
 */
public class Procedure {

    public static class Start implements Command {

        private String name;
        private Set parameters;

        public Start(String name, Set parameters) {
            this.name = name;
            this.parameters = new HashSet(parameters);
        }

        public String getName() {
            return name;
        }

        public Set getParameters() {
            return Collections.unmodifiableSet(parameters);
        }

        @Override
        public void accept(CommandVisitor visitor) {
            visitor.visit(this);
        }
    }

    public static final End END = new End();

    public static final class End implements Command {

        private End() {
        }

        @Override
        public void accept(CommandVisitor visitor) {
            visitor.visit(this);
        }
    }

    public static class Call implements Command {

        private final String templateVariable;
        private final String argumentsVariable;

        public Call(String templateVariable, String argumentsVariable) {
            this.templateVariable = templateVariable;
            this.argumentsVariable = argumentsVariable;
        }

        public String getTemplateVariable() {
            return templateVariable;
        }

        public String getArgumentsVariable() {
            return argumentsVariable;
        }

        @Override
        public void accept(CommandVisitor visitor) {
            visitor.visit(this);
        }
    }

}