// Path: src/mobi/hsz/idea/latex/psi/impl/LatexInstructionExtImpl.java
// public abstract class LatexInstructionExtImpl extends LatexElementImpl implements LatexInstruction {
// 
//     /** {@link TokenSet} containing all identifier types. */
//     private static final TokenSet IDENTIFIERS = TokenSet.create(IDENTIFIER, IDENTIFIER_BEGIN, IDENTIFIER_END);
// 
//     /** Default constructor. */
//     LatexInstructionExtImpl(ASTNode node) {
//         super(node);
//     }
// 
//     /** Returns list of identifiers and identifiers subtypes. */
//     @NotNull
//     public PsiElement getIdentifier() {
//         return findNotNullChildByType(IDENTIFIERS);
//     }
// 
//     /**
//      * Returns the {@link LatexInstruction} arguments list.
//      *
//      * @return {@link LatexArgument} instances list.
//      */
//     @Override
//     @NotNull
//     public List<LatexArgument> getArgumentList() {
//         return PsiTreeUtil.getChildrenOfTypeAsList(this, LatexArgument.class);
//     }
// 
//     /**
//      * Returns the {@link LatexInstruction} argument.
//      *
//      * @return {@link LatexArgument} instance.
//      */
//     @Nullable
//     public LatexArgument getArgument() {
//         return findChildByClass(LatexArgument.class);
//     }
// 
// }


import mobi.hsz.idea.latex.psi.impl.LatexInstructionExtImpl;
import org.jetbrains.annotations.NotNull;
import java.util.Arrays;
import static com.intellij.patterns.PlatformPatterns.psiElement;
import static com.intellij.patterns.PlatformPatterns.psiFile;
import com.intellij.psi.*;
import com.intellij.psi.impl.source.resolve.reference.impl.providers.FileReferenceSet;
import com.intellij.util.ProcessingContext;
import mobi.hsz.idea.latex.psi.LatexArgument;
import mobi.hsz.idea.latex.psi.LatexFile;
import mobi.hsz.idea.latex.psi.LatexInstruction;
/*
 * The MIT License (MIT)
 *
 * Copyright (c) 2016 hsz Jakub Chrzanowski <jakub@hsz.mobi>
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */

package mobi.hsz.idea.latex.reference;




/**
 * PSI elements references contributor.
 *
 * @author Jakub Chrzanowski <jakub@hsz.mobi>
 * @since 0.3
 */
public class LatexReferenceContributor extends PsiReferenceContributor {

    /**
     * Registers new references provider for PSI element.
     *
     * @param psiReferenceRegistrar reference provider
     */
    @Override
    public void registerReferenceProviders(@NotNull PsiReferenceRegistrar psiReferenceRegistrar) {
        psiReferenceRegistrar.registerReferenceProvider(psiElement().inFile(psiFile(LatexFile.class)), new LatexReferenceProvider());
    }

    /** Reference provider definition.  */
    private static class LatexReferenceProvider extends PsiReferenceProvider {
        private static final String[] IDENTIFIERS = {"\\input", "\\include", "\\includeonly"};

        /**
         * Returns references for given @{link PsiElement}.
         *
         * @param psiElement        current element
         * @param processingContext context
         * @return {@link PsiReference} list
         */
        @NotNull
        @Override
        public PsiReference[] getReferencesByElement(@NotNull PsiElement psiElement, @NotNull ProcessingContext processingContext) {
            if (psiElement instanceof LatexInstruction) {
// Path: src/mobi/hsz/idea/latex/psi/impl/LatexInstructionExtImpl.java
// public abstract class LatexInstructionExtImpl extends LatexElementImpl implements LatexInstruction {
// 
//     /** {@link TokenSet} containing all identifier types. */
//     private static final TokenSet IDENTIFIERS = TokenSet.create(IDENTIFIER, IDENTIFIER_BEGIN, IDENTIFIER_END);
// 
//     /** Default constructor. */
//     LatexInstructionExtImpl(ASTNode node) {
//         super(node);
//     }
// 
//     /** Returns list of identifiers and identifiers subtypes. */
//     @NotNull
//     public PsiElement getIdentifier() {
//         return findNotNullChildByType(IDENTIFIERS);
//     }
// 
//     /**
//      * Returns the {@link LatexInstruction} arguments list.
//      *
//      * @return {@link LatexArgument} instances list.
//      */
//     @Override
//     @NotNull
//     public List<LatexArgument> getArgumentList() {
//         return PsiTreeUtil.getChildrenOfTypeAsList(this, LatexArgument.class);
//     }
// 
//     /**
//      * Returns the {@link LatexInstruction} argument.
//      *
//      * @return {@link LatexArgument} instance.
//      */
//     @Nullable
//     public LatexArgument getArgument() {
//         return findChildByClass(LatexArgument.class);
//     }
// 
// }


// Path: src/mobi/hsz/idea/latex/reference/LatexReferenceContributor.java
import mobi.hsz.idea.latex.psi.impl.LatexInstructionExtImpl;
import org.jetbrains.annotations.NotNull;
import java.util.Arrays;
import static com.intellij.patterns.PlatformPatterns.psiElement;
import static com.intellij.patterns.PlatformPatterns.psiFile;
import com.intellij.psi.*;
import com.intellij.psi.impl.source.resolve.reference.impl.providers.FileReferenceSet;
import com.intellij.util.ProcessingContext;
import mobi.hsz.idea.latex.psi.LatexArgument;
import mobi.hsz.idea.latex.psi.LatexFile;
import mobi.hsz.idea.latex.psi.LatexInstruction;

/*
 * The MIT License (MIT)
 *
 * Copyright (c) 2016 hsz Jakub Chrzanowski <jakub@hsz.mobi>
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */

package mobi.hsz.idea.latex.reference;




/**
 * PSI elements references contributor.
 *
 * @author Jakub Chrzanowski <jakub@hsz.mobi>
 * @since 0.3
 */
public class LatexReferenceContributor extends PsiReferenceContributor {

    /**
     * Registers new references provider for PSI element.
     *
     * @param psiReferenceRegistrar reference provider
     */
    @Override
    public void registerReferenceProviders(@NotNull PsiReferenceRegistrar psiReferenceRegistrar) {
        psiReferenceRegistrar.registerReferenceProvider(psiElement().inFile(psiFile(LatexFile.class)), new LatexReferenceProvider());
    }

    /** Reference provider definition.  */
    private static class LatexReferenceProvider extends PsiReferenceProvider {
        private static final String[] IDENTIFIERS = {"\\input", "\\include", "\\includeonly"};

        /**
         * Returns references for given @{link PsiElement}.
         *
         * @param psiElement        current element
         * @param processingContext context
         * @return {@link PsiReference} list
         */
        @NotNull
        @Override
        public PsiReference[] getReferencesByElement(@NotNull PsiElement psiElement, @NotNull ProcessingContext processingContext) {
            if (psiElement instanceof LatexInstruction) {
                LatexInstructionExtImpl instruction = (LatexInstructionExtImpl) psiElement;