From 0ace9ad774d0fc1dbabe528bbcd53ce70ff83536 Mon Sep 17 00:00:00 2001
From: Dmitry Avdeev <dmitry.avdeev@jetbrains.com>
Date: Wed, 20 Jan 2016 15:08:20 +0300
Subject: [PATCH] IDEA-149951 Reformatting JSP does not recognize HTML;
 flattens everything: move jsp stuff to jsp plugin make jsp depend on jee

---
 .../JspxIncludePathReferenceProvider.java     | 77 +++++++++++++++++++
 1 file changed, 77 insertions(+)
 create mode 100644 xml/impl/src/com/intellij/psi/impl/source/resolve/reference/impl/providers/JspxIncludePathReferenceProvider.java

diff --git a/xml/impl/src/com/intellij/psi/impl/source/resolve/reference/impl/providers/JspxIncludePathReferenceProvider.java b/xml/impl/src/com/intellij/psi/impl/source/resolve/reference/impl/providers/JspxIncludePathReferenceProvider.java
new file mode 100644
index 000000000000..f9e93f215436
--- /dev/null
+++ b/xml/impl/src/com/intellij/psi/impl/source/resolve/reference/impl/providers/JspxIncludePathReferenceProvider.java
@@ -0,0 +1,77 @@
+package com.intellij.psi.impl.source.resolve.reference.impl.providers;
+
+import com.intellij.psi.PsiElement;
+import com.intellij.psi.PsiReference;
+import com.intellij.psi.PsiReferenceProvider;
+import com.intellij.psi.xml.XmlAttributeValue;
+import com.intellij.psi.xml.XmlTag;
+import com.intellij.psi.xml.XmlTagValue;
+import com.intellij.util.ProcessingContext;
+import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
+
+import java.util.Map;
+
+/**
+ * @author ven
+ */
+public class JspxIncludePathReferenceProvider extends PsiReferenceProvider implements CustomizableReferenceProvider {
+  @Nullable private Map<CustomizationKey, Object> myOptions;
+
+  @Override
+  @NotNull
+  public PsiReference[] getReferencesByElement(@NotNull PsiElement element, @NotNull final ProcessingContext context) {
+    if (element instanceof XmlAttributeValue) {
+      final XmlAttributeValue attributeValue = ((XmlAttributeValue)element);
+
+      String valueString = attributeValue.getValue();
+      if(valueString.indexOf('?') >= 0)
+        return getReferencesByString(valueString.substring(0, valueString.indexOf('?')), attributeValue, 1);
+      return getReferencesByString(valueString, attributeValue, 1);
+    } else if (element instanceof XmlTag) {
+      final XmlTag tag = ((XmlTag)element);
+
+      final XmlTagValue value = tag.getValue();
+      final String text = value.getText();
+      String trimmedText = text.trim();
+
+      return getReferencesByString(
+        trimmedText,
+        tag, value.getTextRange().getStartOffset() + text.indexOf(trimmedText) - element.getTextOffset()
+      );
+    }
+    return PsiReference.EMPTY_ARRAY;
+  }
+
+  @NotNull
+  private PsiReference[] getReferencesByString(String str, @NotNull PsiElement position, int offsetInPosition) {
+    return getFileReferencesFromString(str, position, offsetInPosition, this);
+  }
+
+  public static PsiReference[] getFileReferencesFromString(final String str, @NotNull PsiElement position, final int offsetInPosition,
+                                                           PsiReferenceProvider provider) {
+    return getFileReferenceSet(str, position, offsetInPosition, provider).getAllReferences();
+  }
+
+  public static FileReferenceSet getFileReferenceSet(final String str, @NotNull PsiElement position,
+                                                     final int offsetInPosition,
+                                                     final PsiReferenceProvider provider) {
+    return new FileReferenceSet(str, position, offsetInPosition, provider, true) {
+      @Override
+      protected boolean useIncludingFileAsContext() {
+        return false;
+      }
+    };
+  }
+
+  @Override
+  public void setOptions(@Nullable Map<CustomizationKey, Object> options) {
+    myOptions = options;
+  }
+
+  @Override
+  @Nullable
+  public Map<CustomizationKey, Object> getOptions() {
+    return myOptions;
+  }
+}