/*
* Copyright 2008 Google Inc.
*
* 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.common.css.compiler.ast;
import com.google.common.css.SourceCodeLocation;
import com.google.common.css.compiler.ast.CssSelectorNode.Specificity;
/**
* A node representing a refiner of a selector in the AST.
* Examples: <code>.class</code>, <code>#id</code>,
* <code>:nth-child(2n+1)</code>, <code>:not(#id)</code>
*
* @author oana@google.com (Oana Florescu)
* @author fbenz@google.com (Florian Benz)
*/
public abstract class CssRefinerNode extends CssNode {
/** Type of refiner. */
protected Refiner refinerType;
/** Name of the refiner. */
protected String refinerName;
/**
* Contains the list of all possible CSS refiners.
*/
// TODO(fbenz): The handling of the pre- and suffixes should be moved to
// the corresponding classes.
public enum Refiner {
CLASS(".", ""),
ID("#", ""),
PSEUDO_CLASS(":", ""),
PSEUDO_ELEMENT("::", ""),
ATTRIBUTE("[", "]");
private final String prefix;
private final String suffix;
private Refiner(String prefix, String suffix) {
this.prefix = prefix;
this.suffix = suffix;
}
@Override
public String toString() {
return prefix + suffix;
}
public String getPrefix() {
return prefix;
}
public String getSuffix() {
return suffix;
}
}
protected CssRefinerNode(Refiner refinerType,
String refinerName, SourceCodeLocation sourceCodeLocation) {
super(sourceCodeLocation);
this.refinerType = refinerType;
this.refinerName = refinerName;
}
public String getRefinerName() {
return refinerName;
}
public Refiner getRefinerType() {
return refinerType;
}
public String getPrefix() {
return refinerType.getPrefix();
}
public String getSuffix() {
return refinerType.getSuffix();
}
public abstract Specificity getSpecificity();
@Override
public String toString() {
return refinerType.getPrefix() + refinerName + refinerType.getSuffix();
}
}