| /* |
| * Copyright 2007 Sascha Weinreuter |
| * |
| * 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.plugins.relaxNG.compact.psi.impl; |
| |
| import com.intellij.lang.ASTNode; |
| import com.intellij.openapi.util.TextRange; |
| import com.intellij.psi.PsiElement; |
| import com.intellij.psi.PsiFile; |
| import com.intellij.psi.PsiReference; |
| import com.intellij.psi.ResolveState; |
| import com.intellij.psi.impl.source.resolve.reference.impl.providers.FileReferenceSet; |
| import com.intellij.psi.scope.PsiScopeProcessor; |
| import com.intellij.xml.util.XmlUtil; |
| import org.intellij.plugins.relaxNG.compact.RncFileType; |
| import org.intellij.plugins.relaxNG.compact.RncTokenTypes; |
| import org.intellij.plugins.relaxNG.compact.psi.RncFile; |
| import org.intellij.plugins.relaxNG.compact.psi.RncFileReference; |
| import org.intellij.plugins.relaxNG.compact.psi.util.EscapeUtil; |
| import org.intellij.plugins.relaxNG.references.FileReferenceUtil; |
| import org.jetbrains.annotations.NotNull; |
| import org.jetbrains.annotations.Nullable; |
| |
| /** |
| * Created by IntelliJ IDEA. |
| * User: sweinreuter |
| * Date: 29.08.2007 |
| */ |
| abstract class RncFileReferenceImpl extends RncElementImpl implements RncFileReference { |
| public RncFileReferenceImpl(ASTNode node) { |
| super(node); |
| } |
| |
| @NotNull |
| @Override |
| @SuppressWarnings({ "SSBasedInspection" }) |
| public PsiReference[] getReferences() { |
| final ASTNode literal = getNode().findChildByType(RncTokenTypes.LITERAL); |
| if (literal == null) return PsiReference.EMPTY_ARRAY; |
| |
| final String s = literal.getText(); |
| final FileReferenceSet set = |
| new FileReferenceSet(s.substring(1, s.length() - 1), this, |
| getReferenceRange().getStartOffset(), |
| null, true, false); |
| |
| return FileReferenceUtil.restrict(set, FileReferenceUtil.byType(RncFileType.getInstance())); |
| } |
| |
| @Override |
| public RncFile getReferencedFile() { |
| final String href = getFileReference(); |
| if (href != null) { |
| final PsiFile file = XmlUtil.findRelativeFile(href, getContainingFile()); |
| if (file instanceof RncFile) { |
| return (RncFile)file; |
| } |
| } |
| return null; |
| } |
| |
| @Override |
| @Nullable |
| public String getFileReference() { |
| final ASTNode element = getNode().findChildByType(RncTokenTypes.LITERAL); |
| if (element == null) return null; |
| final String s = EscapeUtil.unescapeText(element); |
| return s.substring(1, s.length() - 1); |
| } |
| |
| @Override |
| public TextRange getReferenceRange() { |
| final ASTNode literal = getNode().findChildByType(RncTokenTypes.LITERAL); |
| if (literal == null) return TextRange.from(0, 0); |
| final int startInElement = literal.getStartOffset() - getTextOffset() + 1; |
| return TextRange.from(startInElement, literal.getTextLength() - 2); |
| } |
| |
| @Override |
| public boolean processDeclarations(@NotNull PsiScopeProcessor processor, @NotNull ResolveState substitutor, PsiElement lastParent, @NotNull PsiElement place) { |
| final FollowFileHint hint = processor.getHint(FollowFileHint.KEY); |
| final RncFile file = getReferencedFile(); |
| if (file != null && hint != null && hint.doFollow(file)) { |
| file.processDeclarations(processor, substitutor, lastParent, place); |
| } |
| return true; |
| } |
| } |