package fr.adrienbrault.idea.symfony2plugin.stubs.indexes;
import com.intellij.psi.PsiFile;
import com.intellij.util.indexing.*;
import com.intellij.util.io.DataExternalizer;
import com.intellij.util.io.EnumeratorStringDescriptor;
import com.intellij.util.io.KeyDescriptor;
import com.jetbrains.twig.TwigFile;
import com.jetbrains.twig.TwigFileType;
import fr.adrienbrault.idea.symfony2plugin.Symfony2ProjectComponent;
import fr.adrienbrault.idea.symfony2plugin.templating.util.TwigUtil;
import gnu.trove.THashMap;
import org.jetbrains.annotations.NotNull;
import java.util.Map;
/**
* @author Daniel Espendiller <daniel@espendiller.net>
*/
public class TwigIncludeStubIndex extends FileBasedIndexExtension<String, Void> {
public static final ID<String, Void> KEY = ID.create("fr.adrienbrault.idea.symfony2plugin.twig_include_tags");
private final KeyDescriptor<String> myKeyDescriptor = new EnumeratorStringDescriptor();
@NotNull
@Override
public ID<String, Void> getName() {
return KEY;
}
@NotNull
@Override
public DataIndexer<String, Void, FileContent> getIndexer() {
return inputData -> {
final Map<String, Void> map = new THashMap<>();
PsiFile psiFile = inputData.getPsiFile();
if(!Symfony2ProjectComponent.isEnabledForIndex(psiFile.getProject())) {
return map;
}
if(!(psiFile instanceof TwigFile)) {
return map;
}
TwigUtil.visitTemplateIncludes((TwigFile) psiFile, templateInclude ->
map.put(templateInclude.getTemplateName(), null)
);
return map;
};
}
@NotNull
@Override
public KeyDescriptor<String> getKeyDescriptor() {
return this.myKeyDescriptor;
}
@NotNull
@Override
public DataExternalizer<Void> getValueExternalizer() {
return ScalarIndexExtension.VOID_DATA_EXTERNALIZER;
}
@NotNull
@Override
public FileBasedIndex.InputFilter getInputFilter() {
return file -> file.getFileType() == TwigFileType.INSTANCE;
}
@Override
public boolean dependsOnFileContent() {
return true;
}
@Override
public int getVersion() {
return 3;
}
}