IDEA-68391 XPath 2: cast expression: completion shows "No suggestions"

2026-09-27 10:03:11 +07:00 · 2011-04-18 19:38:40 +02:00
parent c9bdb105b2
commit 8af4dc4fe6
51 changed files with 92 additions and 7 deletions
@@ -24,6 +24,7 @@ import com.intellij.psi.util.PsiTreeUtil;
 import com.intellij.util.Function;
 import com.intellij.util.ProcessingContext;
 import com.intellij.util.containers.ContainerUtil;
+import org.intellij.lang.xpath.context.NamespaceContext;
 import org.intellij.lang.xpath.psi.*;
 import org.jetbrains.annotations.NotNull;

@@ -81,7 +82,24 @@ public class XPathCompletionContributor extends CompletionContributor {
    extend(CompletionType.BASIC, psiElement().withParent(psiElement(XPath2TypeElement.class).without(prefix())), new CompletionProvider<CompletionParameters>() {
      protected void addCompletions(@NotNull CompletionParameters parameters, ProcessingContext context, @NotNull CompletionResultSet result) {
        final XPathElement parent = PsiTreeUtil.getParentOfType(parameters.getPosition(), XPathElement.class);
-        addResult(result, CompletionLists.getNodeTypeCompletions(parent), parameters.getPosition(), parameters.getOffset());
+        assert parent != null;
+
+        if (parent.getParent() instanceof XPath2TreatAs || parent.getParent() instanceof XPath2InstanceOf) {
+          addResult(result, CompletionLists.getNodeTypeCompletions(parent), parameters.getPosition(), parameters.getOffset());
+        }
+
+        final NamespaceContext namespaceContext = parent.getXPathContext().getNamespaceContext();
+        if (namespaceContext != null) {
+          final String prefixForURI = namespaceContext.getPrefixForURI(XPath2Type.XMLSCHEMA_NS, parent.getXPathContext().getContextElement());
+          if (prefixForURI != null && prefixForURI.length() > 0) {
+            addResult(result, ContainerUtil.map(XPath2Type.SchemaType.listSchemaTypes(), new Function<XPath2Type, Lookup>() {
+              @Override
+              public Lookup fun(XPath2Type type) {
+                return new MyLookup(prefixForURI + ":" + type.getQName().getLocalPart());
+              }
+            }), parameters.getPosition(), parameters.getOffset());
+          }
+        }
      }
    });
    extend(CompletionType.BASIC, psiElement().withParent(psiElement(XPath2TypeElement.class).with(prefix())), new CompletionProvider<CompletionParameters>() {
@@ -94,8 +112,7 @@ public class XPathCompletionContributor extends CompletionContributor {
          addResult(result, ContainerUtil.map(XPath2Type.SchemaType.listSchemaTypes(), new Function<XPath2Type, Lookup>() {
            @Override
            public Lookup fun(XPath2Type type) {
-              return new AbstractLookup(type.getQName().getLocalPart(), type.getName()) {
-              };
+              return new MyLookup(type.getQName().getLocalPart());
            }
          }), parameters.getPosition(), parameters.getOffset());
        }
@@ -130,7 +147,6 @@ public class XPathCompletionContributor extends CompletionContributor {
    String prefix = CompletionData.findPrefixStatic(element, i);

    if (element.getParent() instanceof XPathVariableReference) {
-      final String text = element.getText();
      prefix = "$" + prefix;
    }

@@ -155,4 +171,10 @@ public class XPathCompletionContributor extends CompletionContributor {

    return prefix;
  }
+
+  private static class MyLookup extends AbstractLookup {
+    public MyLookup(String name) {
+      super(name, name);
+    }
+  }
 }
@@ -0,0 +1,37 @@
+/*
+ * Copyright 2000-2011 JetBrains s.r.o.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.intellij.lang.xpath;
+
+public class XPath2CompletionTest extends TestBase {
+
+  public void testCastInsert() throws Throwable {
+    doXPathCompletion();
+  }
+
+  public void testTreatInsert() throws Throwable {
+    doXPathCompletion();
+  }
+
+  private void doXPathCompletion() throws Throwable {
+    final String name = getTestFileName();
+    myFixture.testCompletion(name + ".xpath2", name + "_after.xpath2");
+  }
+
+  @Override
+  protected String getSubPath() {
+    return "xpath2/completion";
+  }
+}
@@ -51,6 +51,6 @@ public class XPath2HighlightingTest extends XPath2HighlightingTestBase {

  @Override
  protected String getSubPath() {
-    return "xpath/highlighting";
+    return "xpath2/highlighting";
  }
 }
@@ -74,6 +74,6 @@ public class XPath2ParsingTest extends TestBase {

  @Override
  protected String getSubPath() {
-    return "xpath/parsing";
+    return "xpath2/parsing";
  }
 }
@@ -99,6 +99,6 @@ public class XPath2TypeTest extends XPath2HighlightingTestBase {

  @Override
  protected String getSubPath() {
-    return "xpath/highlighting/types";
+    return "xpath2/highlighting/types";
  }
 }
@@ -28,6 +28,10 @@ public class Xslt2CompletionTest extends TestBase {
        doXsltCompletion();
    }

+    public void testTypeCompletion() throws Throwable {
+        doXsltCompletion();
+    }
+
    private void doXsltCompletion(String... moreFiles) throws Throwable {
        final String name = getTestFileName();
        myFixture.testCompletion(name + ".xsl", name + "_after.xsl", moreFiles);
@@ -0,0 +1 @@
+1 cast as a<caret>
@@ -0,0 +1 @@
+1 cast as a<caret>
@@ -0,0 +1 @@
+1 treat as a<caret>
@@ -0,0 +1 @@
+1 treat as attribute()
@@ -0,0 +1,9 @@
+<xsl:stylesheet version="2.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
+                xmlns:xss="http://www.w3.org/2001/XMLSchema"
+                xmlns:n="urn:my">
+
+  <xsl:template match="/">
+    <xsl:value-of select="1 treat as xss:boo<caret>" />
+  </xsl:template>
+
+</xsl:stylesheet>
@@ -0,0 +1,9 @@
+<xsl:stylesheet version="2.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
+                xmlns:xss="http://www.w3.org/2001/XMLSchema"
+                xmlns:n="urn:my">
+
+  <xsl:template match="/">
+    <xsl:value-of select="1 treat as xss:boolean" />
+  </xsl:template>
+
+</xsl:stylesheet>