package org.jetbrains.plugins.cucumber.psi.impl;
import com.intellij.extapi.psi.PsiFileBase;
import com.intellij.lang.ASTNode;
import com.intellij.openapi.fileTypes.FileType;
import com.intellij.psi.FileViewProvider;
import com.intellij.psi.PsiElement;
import com.intellij.psi.TokenType;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.plugins.cucumber.psi.*;
import java.util.ArrayList;
import java.util.List;
/**
* @author yole
*/
public class GherkinFileImpl extends PsiFileBase implements GherkinFile {
public GherkinFileImpl(FileViewProvider viewProvider) {
super(viewProvider, GherkinLanguage.INSTANCE);
}
@NotNull
public FileType getFileType() {
return GherkinFileType.INSTANCE;
}
@Override
public String toString() {
return "GherkinFile:" + getName();
}
public List<String> getStepKeywords() {
final GherkinKeywordProvider provider = CucumberLanguageService.getInstance(getProject()).getKeywordProvider();
List<String> result = new ArrayList<String>();
// find language comment
final String language = getLocaleLanguage();
// step keywords
final GherkinKeywordTable table = provider.getKeywordsTable(language);
result.addAll(table.getStepKeywords());
return result;
}
public String getLocaleLanguage() {
final ASTNode node = getNode();
assert node != null;
ASTNode child = node.getFirstChildNode();
while (child != null) {
if (child.getElementType() == GherkinTokenTypes.COMMENT) {
final String text = child.getText().substring(1).trim();
final String lang = GherkinLexer.fetchLocationLanguage(text);
if (lang != null) {
return lang;
}
} else {
if (child.getElementType() != TokenType.WHITE_SPACE) {
break;
}
}
child = child.getTreeNext();
}
return getDefaultLocale();
}
@Override
public GherkinFeature[] getFeatures() {
return findChildrenByClass(GherkinFeature.class);
}
public static String getDefaultLocale() {
return "en";
}
@Override
public PsiElement findElementAt(int offset) {
PsiElement result = super.findElementAt(offset);
if (result == null && offset == getTextLength()) {
final PsiElement last = getLastChild();
result = last != null ? last.getLastChild() : last;
}
return result;
}
}