idea-php-symfony2-plugin/src/main/java/fr/adrienbrault/idea/symfony2plugin/templating/inspection/TwigAssetMissingInspection.java at 2351b19b22a6159d47f88b46d1b3b6fc6ee11b43 · Haehnchen/idea-php-symfony2-plugin · GitHub

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package fr.adrienbrault.idea.symfony2plugin.templating.inspection;

import com.intellij.codeInspection.LocalInspectionTool;
import com.intellij.patterns.ElementPattern;
import com.intellij.codeInspection.ProblemsHolder;
import com.intellij.psi.PsiElement;
import com.intellij.psi.PsiElementVisitor;
import com.intellij.psi.impl.source.tree.LeafPsiElement;
import com.jetbrains.twig.TwigTokenTypes;
import fr.adrienbrault.idea.symfony2plugin.Symfony2ProjectComponent;
import fr.adrienbrault.idea.symfony2plugin.templating.TwigPattern;
import fr.adrienbrault.idea.symfony2plugin.templating.util.TwigUtil;
import org.apache.commons.lang3.StringUtils;
import org.jetbrains.annotations.NotNull;
import org.jspecify.annotations.NonNull;

/**
 * asset('<caret>')
 *
 * @author Daniel Espendiller <daniel@espendiller.net>
 */
public class TwigAssetMissingInspection extends LocalInspectionTool {
    @NotNull
    public PsiElementVisitor buildVisitor(final @NotNull ProblemsHolder holder, boolean isOnTheFly) {
        if(!Symfony2ProjectComponent.isEnabled(holder.getProject())) {
            return super.buildVisitor(holder, isOnTheFly);
        }

        return new MyPsiElementVisitor(holder);
    }

    private static class MyPsiElementVisitor extends PsiElementVisitor {
        private final ProblemsHolder holder;

        private ElementPattern<PsiElement> assetPattern;

        MyPsiElementVisitor(ProblemsHolder holder) {
            this.holder = holder;
        }

        @Override
        public void visitElement(@NonNull PsiElement element) {
            if (!(element instanceof LeafPsiElement) || element.getNode().getElementType() != TwigTokenTypes.STRING_TEXT) {
                super.visitElement(element);
                return;
            }

            if(getAssetPattern().accepts(element) && TwigUtil.isValidStringWithoutInterpolatedOrConcat(element)) {
                invoke(element, holder);
            }

            super.visitElement(element);
        }

        private void invoke(@NotNull PsiElement element, @NotNull ProblemsHolder holder) {
            String asset = element.getText();

            if(StringUtils.isBlank(asset) || !TwigUtil.resolveAssetsFiles(element.getProject(), asset).isEmpty()) {
                return;
            }

            holder.registerProblem(element, "Missing asset");
        }

        private ElementPattern<PsiElement> getAssetPattern() {
            return assetPattern != null ? assetPattern : (assetPattern = TwigPattern.getAutocompletableAssetPattern());
        }
    }
}