com.perl5.lang.perl.psi.references.PerlNamespaceFileReference.java Source code

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Here is the source code for com.perl5.lang.perl.psi.references.PerlNamespaceFileReference.java

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/*
 * Copyright 2015 Alexandr Evstigneev
 *
 * 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.perl5.lang.perl.psi.references;

import com.intellij.openapi.util.TextRange;
import com.intellij.psi.PsiElement;
import com.intellij.psi.ResolveResult;
import com.intellij.psi.impl.source.resolve.ResolveCache;
import com.intellij.util.IncorrectOperationException;
import com.perl5.lang.perl.psi.PerlNamespaceElement;
import com.perl5.lang.perl.psi.references.resolvers.PerlNamespaceFileResolver;
import com.perl5.lang.perl.util.PerlPackageUtil;
import org.apache.commons.lang.StringUtils;
import org.jetbrains.annotations.NotNull;

/**
 * Created by hurricup on 28.05.2015.
 */
public class PerlNamespaceFileReference extends PerlPolyVariantReference<PerlNamespaceElement> {
    protected static final ResolveCache.PolyVariantResolver<PerlNamespaceFileReference> RESOLVER = new PerlNamespaceFileResolver();

    public PerlNamespaceFileReference(@NotNull PerlNamespaceElement element, TextRange textRange) {
        super(element, textRange);
    }

    public String getPackageName() {
        return myElement.getCanonicalName();
    }

    @NotNull
    @Override
    public ResolveResult[] multiResolve(boolean incompleteCode) {
        return ResolveCache.getInstance(myElement.getProject()).resolveWithCaching(this, RESOLVER, true, false);
    }

    @Override
    public PsiElement handleElementRename(String newElementName) throws IncorrectOperationException {
        String currentName = myElement.getCanonicalName();
        if (currentName != null && newElementName.endsWith(".pm")) {
            String[] nameChunks = currentName.split(PerlPackageUtil.PACKAGE_SEPARATOR);
            nameChunks[nameChunks.length - 1] = newElementName.replaceFirst("\\.pm$", "");
            newElementName = StringUtils.join(nameChunks, PerlPackageUtil.PACKAGE_SEPARATOR);

            return super.handleElementRename(newElementName);
        }

        throw new IncorrectOperationException("Can't bind package use/require to a non-pm file: " + newElementName);
    }

    @Override
    public PsiElement bindToElement(@NotNull PsiElement element) throws IncorrectOperationException {
        // fixme this is a stub to avoid exception
        return myElement;
    }
}