com.inet.sass.tree.MixinDefNode Maven / Gradle / Ivy

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/*
 * Copyright 2023 i-net software
 * Copyright 2000-2014 Vaadin Ltd.
 * 
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not
 * use this file except in compliance with the License. You may obtain a copy of
 * the License at
 * 
 * http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations under
 * the License.
 */

package com.inet.sass.tree;

import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;

import com.inet.sass.ScssContext;
import com.inet.sass.parser.FormalArgumentList;

/**
 * The definition of a mixin (@mixin rule).
 */
public class MixinDefNode extends DefNode {

    public MixinDefNode( String name, FormalArgumentList args ) {
        super( name, args );
    }

    private MixinDefNode(MixinDefNode nodeToCopy) {
        super(nodeToCopy);
    }

    @Override
    public String toString() {
        return "Mixin Definition Node: {name: " + getName() + ", args: "
                + getArglist().size() + "}";
    }

    /**
     * This should only happen on a cloned MixinDefNode, since it changes the
     * Node itself.
     * 
     * @param context context with variables of the caller scope where it is defined
     * @param mixinNode
     */
    public void replaceContentDirective( ScssContext context, MixinNode mixinNode) {
        findAndReplaceContentNodeInChildren( context, this, mixinNode);
    }

    private static void findAndReplaceContentNodeInChildren( ScssContext context, Node node, MixinNode mixinNode ) {
        for( Node child : new ArrayList( node.getChildren() ) ) {
            if( child instanceof ContentNode ) {
                ((ContentNode)child).bind( mixinNode, context.getCurrentScope() );
            } else {
                findAndReplaceContentNodeInChildren( context, child, mixinNode );
            }
        }
    }

    @Override
    public MixinDefNode copy() {
        return new MixinDefNode(this);
    }

    @Override
    public Collection traverse(ScssContext context) {
        context.defineMixin(this);
        setDefinitionScope(context.getCurrentScope());
        return Collections.emptyList();
    }
}