/*
* Copyright 2000-2013 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 com.intellij.coldFusion.UI.editorActions.completionProviders;
import com.intellij.coldFusion.model.files.CfmlFile;
import com.intellij.coldFusion.model.psi.CfmlImplicitVariable;
import com.intellij.coldFusion.model.psi.CfmlPsiUtil;
import com.intellij.openapi.util.TextRange;
import com.intellij.patterns.PsiElementPattern;
import com.intellij.psi.*;
import com.intellij.psi.impl.source.resolve.reference.impl.providers.JavaClassReferenceProvider;
import com.intellij.util.ProcessingContext;
import com.intellij.util.SmartList;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import java.util.List;
import static com.intellij.patterns.PlatformPatterns.psiElement;
import static com.intellij.patterns.StandardPatterns.string;
/**
* @author vnikolaenko
*/
public class CfmlReferenceContributor extends PsiReferenceContributor {
public static final PsiElementPattern.Capture<PsiComment> CFMLVARIABLE_COMMENT =
psiElement(PsiComment.class).inFile(psiElement(CfmlFile.class)).withText(string().contains(CfmlFile.CFMLVARIABLE_MARKER));
public static final PsiElementPattern.Capture<PsiComment> CFMLJAVALOADER_COMMENT =
psiElement(PsiComment.class).inFile(psiElement(CfmlFile.class)).withText(string().contains(CfmlFile.CFMLJAVALOADER_MARKER));
/*
public static final PsiElementPattern.Capture<PsiComment> CFMLVARIABLE_COMMENT =
psiElement(PsiComment.class).inFile(psiElement(CfmlFile.class)).withText(string().contains(CfmlFile.CFMLVARIABLE_MARKER));
*/
private class VariableReferenceProvider extends PsiReferenceProvider {
@NotNull
public PsiReference[] getReferencesByElement(@NotNull PsiElement element, @NotNull ProcessingContext context) {
final String text = element.getText();
TextRange range = CfmlPsiUtil.findRange(text, "name=\"", "\"");
if (range == null) {
return PsiReference.EMPTY_ARRAY;
}
final String name = range.substring(text);
final CfmlImplicitVariable variable = ((CfmlFile)element.getContainingFile()).findImplicitVariable(name);
if (variable == null) {
return PsiReference.EMPTY_ARRAY;
}
PsiReferenceBase<PsiComment> ref =
new PsiReferenceBase<PsiComment>((PsiComment)element, TextRange.from(range.getStartOffset(), name.length())) {
public PsiElement resolve() {
return variable;
}
@NotNull
public Object[] getVariants() {
return EMPTY_ARRAY;
}
};
final List<PsiReference> result = new SmartList<PsiReference>();
result.add(ref);
return result.toArray(PsiReference.EMPTY_ARRAY);
}
}
public void registerReferenceProviders(@NotNull final PsiReferenceRegistrar registrar) {
registerImplicitVariableProvider(registrar);
}
private void registerImplicitVariableProvider(PsiReferenceRegistrar registrar) {
// reference to java types
registrar.registerReferenceProvider(CFMLVARIABLE_COMMENT, new PsiReferenceProvider() {
@NotNull
public PsiReference[] getReferencesByElement(@NotNull final PsiElement element, @NotNull final ProcessingContext context) {
return getReferencesToJavaTypes(element);
}
}, PsiReferenceRegistrar.DEFAULT_PRIORITY);
registrar.registerReferenceProvider(CFMLVARIABLE_COMMENT, new VariableReferenceProvider(), PsiReferenceRegistrar.DEFAULT_PRIORITY);
registrar.registerReferenceProvider(CFMLJAVALOADER_COMMENT, new VariableReferenceProvider(), PsiReferenceRegistrar.DEFAULT_PRIORITY);
}
public static PsiReference[] getReferencesToJavaTypes(PsiElement element) {
final String text = element.getText();
TextRange range = findTypeNameRange(text);
if (range == null) {
return PsiReference.EMPTY_ARRAY;
}
final JavaClassReferenceProvider provider = new JavaClassReferenceProvider();
return provider.getReferencesByString(range.substring(text), element, range.getStartOffset());
}
@Nullable
public static TextRange findTypeNameRange(@NotNull String text) {
return CfmlPsiUtil.findRange(text, "type=\"", "\"");
}
}