dom/openapi/src/com/intellij/patterns/DomPatterns.java

   1 /*
   2  * Copyright (c) 2000-2007 JetBrains s.r.o. All Rights Reserved.
   3  */
   4 package com.intellij.patterns;
   5
   6 import com.intellij.psi.xml.XmlAttribute;
   7 import com.intellij.psi.xml.XmlElement;
   8 import com.intellij.psi.xml.XmlTag;
   9 import com.intellij.util.xml.DomElement;
  10 import com.intellij.util.xml.DomManager;
  11 import org.jetbrains.annotations.NotNull;
  12
  13 /**
  14  * @author peter
  15  */
  16 public class DomPatterns {
  17
  18   public static <T extends DomElement> DomElementPattern.Capture<T> domElement(Class<T> aClass) {
  19     return new DomElementPattern.Capture<T>(aClass);
  20   }
  21
  22   public static DomElementPattern.Capture<DomElement> domElement() {
  23     return domElement(DomElement.class);
  24   }
  25
  26   public static GenericDomValuePattern<?> genericDomValue() {
  27     return new GenericDomValuePattern();
  28   }
  29
  30   public static <T> GenericDomValuePattern<T> genericDomValue(ElementPattern valuePattern) {
  31     return ((GenericDomValuePattern)genericDomValue()).withValue(valuePattern);
  32   }
  33
  34   public static <T> GenericDomValuePattern<T> genericDomValue(Class<T> aClass) {
  35     return new GenericDomValuePattern<T>(aClass);
  36   }
  37
  38   public static XmlElementPattern.Capture withDom(final ElementPattern pattern) {
  39     return new XmlElementPattern.Capture().with(new PatternCondition<XmlElement>() {
  40       public boolean accepts(@NotNull final XmlElement xmlElement, final MatchingContext matchingContext, @NotNull final TraverseContext traverseContext) {
  41         final DomManager manager = DomManager.getDomManager(xmlElement.getProject());
  42         if (xmlElement instanceof XmlAttribute) {
  43           return pattern.accepts(manager.getDomElement((XmlAttribute)xmlElement), matchingContext, traverseContext);
  44         }
  45         if (xmlElement instanceof XmlTag) {
  46           return pattern.accepts(manager.getDomElement((XmlTag)xmlElement), matchingContext, traverseContext);
  47         }
  48         return false;
  49       }
  50     });
  51   }
  52
  53
  54 }