com.google.gwt.resources.gss.ast.CssDotPathNode.java Source code

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Here is the source code for com.google.gwt.resources.gss.ast.CssDotPathNode.java

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/*
 * Copyright 2013 Julien Dramaix.
 *
 * 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.google.gwt.resources.gss.ast;

import com.google.common.base.Strings;
import com.google.common.css.SourceCodeLocation;
import com.google.common.css.compiler.ast.CssValueNode;
import com.google.gwt.core.ext.Generator;

import java.util.Arrays;
import java.util.List;

public class CssDotPathNode extends CssValueNode {

    public static String resolveExpression(String instance, String path, String prefix, String suffix) {
        String expression = path.replace(".", "().") + "()";

        if (!Strings.isNullOrEmpty(instance)) {
            expression = instance + "." + expression;
        }

        if (!Strings.isNullOrEmpty(prefix)) {
            expression = "\"" + Generator.escape(prefix) + "\" + " + expression;
        }

        if (!Strings.isNullOrEmpty(suffix)) {
            expression += " + \"" + Generator.escape(suffix) + "\"";
        }

        return expression;
    }

    private String suffix;
    private String prefix;
    private String path;
    private String instance;

    public CssDotPathNode(String dotPath, String prefix, String suffix, SourceCodeLocation sourceCodeLocation) {
        this(null, dotPath, prefix, suffix, sourceCodeLocation);
    }

    public CssDotPathNode(String instance, String dotPath, String prefix, String suffix,
            SourceCodeLocation sourceCodeLocation) {
        super(resolveExpression(instance, dotPath, prefix, suffix), sourceCodeLocation);

        this.prefix = prefix;
        this.suffix = suffix;
        this.path = dotPath;
        this.instance = instance;
    }

    @Override
    public CssValueNode deepCopy() {
        return new CssDotPathNode(instance, path, prefix, suffix, getSourceCodeLocation());
    }

    public String getPath() {
        return path;
    }

    public String getSuffix() {
        return suffix;
    }

    public String getPrefix() {
        return prefix;
    }

    public String getInstance() {
        return instance;
    }

    public List<String> getPathElements() {
        return Arrays.asList(path.split("\\."));
    }
}