lang-impl/src/com/intellij/openapi/paths/GenericDynamicContextProvider.java

   1 package com.intellij.openapi.paths;
   2
   3 import com.intellij.psi.PsiElement;
   4 import com.intellij.psi.templateLanguages.OuterLanguageElement;
   5
   6 /**
   7  * @author Dmitry Avdeev
   8  */
   9 public class GenericDynamicContextProvider implements DynamicContextProvider {
  10
  11   public int getOffset(PsiElement element, int offset, String elementText) {
  12     final PsiElement[] children = element.getChildren();
  13     for (PsiElement child : children) {
  14       if (isDynamic(child)) {
  15         final int i = child.getStartOffsetInParent();
  16         if (i == offset) {  // dynamic context?
  17           final PsiElement next = child.getNextSibling();
  18           if (next == null || !next.getText().startsWith("/")) {
  19             return -1;
  20           }
  21           offset = next.getStartOffsetInParent();
  22         } else {
  23           final int pos = PathReferenceProviderBase.getLastPosOfURL(offset, elementText);
  24           if (pos == -1 || pos > i) {
  25             return -1;
  26           }
  27           return offset;
  28         }
  29       }
  30     }
  31     return offset;
  32   }
  33
  34   protected boolean isDynamic(PsiElement child) {
  35     return child instanceof OuterLanguageElement;
  36   }
  37
  38 }