/*
* Copyright 2009 Max Ishchenko
*
* 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 net.ishchenko.idea.nginx.psi.impl;
import com.intellij.lang.ASTNode;
import com.intellij.psi.PsiElementVisitor;
import com.intellij.psi.tree.TokenSet;
import net.ishchenko.idea.nginx.NginxKeywordsManager;
import net.ishchenko.idea.nginx.annotator.NginxElementVisitor;
import net.ishchenko.idea.nginx.lexer.NginxElementTypes;
import net.ishchenko.idea.nginx.psi.NginxComplexValue;
import net.ishchenko.idea.nginx.psi.NginxContext;
import net.ishchenko.idea.nginx.psi.NginxDirective;
import net.ishchenko.idea.nginx.psi.NginxDirectiveName;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import java.util.ArrayList;
import java.util.List;
/**
* Created by IntelliJ IDEA.
* User: Max
* Date: 09.07.2009
* Time: 21:02:29
*/
public class NginxDirectiveImpl extends NginxElementImpl implements NginxDirective {
private static final TokenSet DIRECTIVE_VALUE_TOKENS = TokenSet.create(NginxElementTypes.COMPLEX_VALUE);
public NginxDirectiveImpl(ASTNode node) {
super(node);
}
@Override
public void accept(@NotNull PsiElementVisitor visitor) {
if (visitor instanceof NginxElementVisitor) {
((NginxElementVisitor) visitor).visitDirective(this);
} else {
visitor.visitElement(this);
}
}
@NotNull
public String getNameString() {
return getDirectiveName().getText();
}
@NotNull
public NginxDirectiveName getDirectiveName() {
ASTNode nameNode = getNode().findChildByType(NginxElementTypes.CONTEXT_NAME);
if (nameNode == null) {
nameNode = getNode().findChildByType(NginxElementTypes.DIRECTIVE_NAME);
}
//is npe really probable here?
return (NginxDirectiveName) nameNode.getPsi();
}
@Nullable
public NginxContext getDirectiveContext() {
ASTNode contextNode = getNode().findChildByType(NginxElementTypes.CONTEXT);
return contextNode != null ? (NginxContext) contextNode.getPsi() : null;
}
@Nullable
public NginxContext getParentContext() {
ASTNode parentNode = getNode().getTreeParent();
if (parentNode.getPsi() instanceof NginxContext) {
return (NginxContext) parentNode.getPsi();
} else {
return null;
}
}
@NotNull
public List<NginxComplexValue> getValues() {
ArrayList<NginxComplexValue> result = new ArrayList<NginxComplexValue>();
for (ASTNode value : getNode().getChildren(DIRECTIVE_VALUE_TOKENS)) {
result.add((NginxComplexValue) value.getPsi());
}
return result;
}
public boolean isInChaosContext() {
return getParentContext() != null && NginxKeywordsManager.CHAOS_DIRECTIVES.contains(getParentContext().getDirective().getNameString());
}
public boolean hasContext() {
return getDirectiveContext() != null;
}
}