From 852f9f04d7f20f2c48bb740380d36baa03cbcdc4 Mon Sep 17 00:00:00 2001
From: Piotr Tomiak <piotr.tomiak@jetbrains.com>
Date: Tue, 12 May 2020 09:42:16 +0200
Subject: [PATCH] WEB-45429 SVG: Attributes are shown as invalid when using
 `svg:` prefix

IDEA-CR-62489

GitOrigin-RevId: 0e3e5266b197f03b374f833aa175cb5fb11f6292
---
 .../html/dtd/HtmlAttributeDescriptorImpl.java | 28 ++++++++++---------
 1 file changed, 15 insertions(+), 13 deletions(-)

diff --git a/xml/xml-psi-impl/src/com/intellij/psi/impl/source/html/dtd/HtmlAttributeDescriptorImpl.java b/xml/xml-psi-impl/src/com/intellij/psi/impl/source/html/dtd/HtmlAttributeDescriptorImpl.java
index e23199f19b91..f18b3a810b8e 100644
--- a/xml/xml-psi-impl/src/com/intellij/psi/impl/source/html/dtd/HtmlAttributeDescriptorImpl.java
+++ b/xml/xml-psi-impl/src/com/intellij/psi/impl/source/html/dtd/HtmlAttributeDescriptorImpl.java
@@ -17,8 +17,8 @@ package com.intellij.psi.impl.source.html.dtd;
 
 import com.intellij.openapi.util.text.StringUtil;
 import com.intellij.psi.PsiElement;
-import com.intellij.psi.PsiReference;
 import com.intellij.psi.xml.XmlElement;
+import com.intellij.util.containers.ContainerUtil;
 import com.intellij.xml.XmlAttributeDescriptor;
 import com.intellij.xml.impl.BasicXmlAttributeDescriptor;
 import com.intellij.xml.impl.XmlEnumerationDescriptor;
@@ -113,23 +113,25 @@ public class HtmlAttributeDescriptorImpl extends BasicXmlAttributeDescriptor {
 
   @Override
   public PsiElement getValueDeclaration(XmlElement attributeValue, String value) {
-    String s = myCaseSensitive ? value : StringUtil.toLowerCase(value);
+    String searchValue = null;
+    if (!myCaseSensitive) {
+      String[] enumeratedValues = isEnumerated() ? getEnumeratedValues() : null;
+      if (enumeratedValues != null) {
+        searchValue = ContainerUtil.find(getEnumeratedValues(), v -> v.equalsIgnoreCase(value));
+      }
+      if (searchValue == null) {
+        searchValue = StringUtil.toLowerCase(value);
+      }
+    } else {
+      searchValue = value;
+    }
     //noinspection unchecked
     return delegate instanceof XmlEnumerationDescriptor ?
-           ((XmlEnumerationDescriptor<XmlElement>)delegate).getValueDeclaration(attributeValue, s) :
+           ((XmlEnumerationDescriptor<XmlElement>)delegate).getValueDeclaration(attributeValue, searchValue) :
            super.getValueDeclaration(attributeValue, value);
   }
 
-  @SuppressWarnings("unchecked")
-  @Override
-  public PsiReference[] getValueReferences(XmlElement element, @NotNull String text) {
-    if (delegate instanceof XmlEnumerationDescriptor) {
-      return ((XmlEnumerationDescriptor<XmlElement>)delegate).getValueReferences(element, text);
-    }
-    return super.getValueReferences(element, text);
-  }
-
   public boolean isCaseSensitive() {
     return myCaseSensitive;
   }
-}
+}
\ No newline at end of file