/*
* Copyright 2011 Jon S Akhtar (Sylvanaar)
*
* 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 com.sylvanaar.idea.Lua.lang.template;
import com.intellij.codeInsight.lookup.LookupElement;
import com.intellij.codeInsight.template.*;
import com.intellij.psi.PsiDocumentManager;
import com.intellij.psi.PsiElement;
import com.intellij.psi.PsiFile;
import com.sylvanaar.idea.Lua.lang.psi.LuaFunctionDefinition;
import com.sylvanaar.idea.Lua.lang.psi.LuaPsiFile;
import com.sylvanaar.idea.Lua.lang.psi.expressions.LuaAnonymousFunctionExpression;
import com.sylvanaar.idea.Lua.lang.psi.statements.LuaFunctionDefinitionStatement;
import org.jetbrains.annotations.NotNull;
/**
* Created by IntelliJ IDEA.
* User: Jon S Akhtar
* Date: 2/25/11
* Time: 1:35 PM
*/
public class LuaFunctionMacro implements Macro {
@Override
public String getName() {
return "currentLuaFunction";
}
@Override
public String getDescription() {
return "Substitutes the name of the current Lua script function";
}
@Override
public String getDefaultValue() {
return "";
}
@Override
public Result calculateResult(@NotNull Expression[] expressions, ExpressionContext expressionContext) {
PsiFile file = PsiDocumentManager.getInstance(expressionContext.getProject()).getPsiFile(
expressionContext.getEditor().getDocument());
if (file instanceof LuaPsiFile) {
PsiElement e = file.findElementAt(expressionContext.getTemplateStartOffset());
while (e != null) {
if (e instanceof LuaFunctionDefinition) break;
e = e.getContext();
}
if (e == null) return null;
if (e instanceof LuaFunctionDefinitionStatement) {
String name = ((LuaFunctionDefinitionStatement) e).getIdentifier().getName();
if (name != null) return new TextResult(name);
}
if (e instanceof LuaAnonymousFunctionExpression) return new TextResult("anon");
}
return null;
}
@Override
public Result calculateQuickResult(@NotNull Expression[] expressions, ExpressionContext expressionContext) {
return null;
}
@Override
public LookupElement[] calculateLookupItems(@NotNull Expression[] expressions,
ExpressionContext expressionContext) {
return new LookupElement[0];
}
}