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XmlParser.java
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XmlParser.java
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package org.petitparser.grammar.xml;
import java.util.Collection;
import java.util.List;
import org.petitparser.grammar.xml.ast.XmlAttribute;
import org.petitparser.grammar.xml.ast.XmlComment;
import org.petitparser.grammar.xml.ast.XmlDoctype;
import org.petitparser.grammar.xml.ast.XmlDocument;
import org.petitparser.grammar.xml.ast.XmlElement;
import org.petitparser.grammar.xml.ast.XmlName;
import org.petitparser.grammar.xml.ast.XmlNode;
import org.petitparser.grammar.xml.ast.XmlProcessing;
import org.petitparser.grammar.xml.ast.XmlText;
import com.google.common.base.Function;
import com.google.common.base.Predicates;
import com.google.common.collect.Collections2;
/**
* XML parser definition.
*
* @author Lukas Renggli (renggli@gmail.com)
*/
public class XmlParser extends XmlGrammar {
@Override
protected void initialize() {
super.initialize();
action("attribute", new Function<List<?>, XmlAttribute>() {
@Override
public XmlAttribute apply(List<?> argument) {
return new XmlAttribute((XmlName) argument.get(0),
(String) argument.get(1));
}
});
action("comment", XmlComment::new);
action("doctype", XmlDoctype::new);
action("document", new Function<List<XmlNode>, XmlDocument>() {
@Override
public XmlDocument apply(List<XmlNode> nodes) {
return new XmlDocument(Collections2.filter(nodes, Predicates.notNull()));
}
});
action("element", new Function<List<?>, XmlElement>() {
@Override
@SuppressWarnings("unchecked")
public XmlElement apply(List<?> list) {
return new XmlElement((XmlName) list.get(0),
(Collection<XmlAttribute>) list.get(1),
(Collection<XmlNode>) list.get(2));
}
});
action("processing", new Function<List<String>, XmlProcessing>() {
@Override
public XmlProcessing apply(List<String> list) {
return new XmlProcessing(list.get(0), list.get(1));
}
});
action("qualified", XmlName::new);
action("characterData", XmlText::new);
}
}