/*
* Copyright 2007-2008 Dave Griffith
*
* 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.editor.inspections.utils;
import com.intellij.psi.tree.IElementType;
import com.sylvanaar.idea.Lua.lang.lexer.LuaTokenTypes;
import com.sylvanaar.idea.Lua.lang.psi.expressions.LuaConditionalExpression;
import com.sylvanaar.idea.Lua.lang.psi.expressions.LuaExpression;
import com.sylvanaar.idea.Lua.lang.psi.expressions.LuaUnaryExpression;
import org.jetbrains.annotations.NotNull;
public class BoolUtils {
public static boolean isNegation(@NotNull LuaExpression exp) {
if (!(exp instanceof LuaUnaryExpression)) {
return false;
}
final LuaUnaryExpression prefixExp = (LuaUnaryExpression) exp;
final IElementType sign = prefixExp.getOperationTokenType();
return LuaTokenTypes.NOT.equals(sign);
}
public static boolean isTrue(LuaConditionalExpression condition) {
if (condition == null) {
return false;
}
return "true".equals(condition.getText());
}
public static boolean isFalse(LuaConditionalExpression condition) {
if (condition == null) {
return false;
}
return "false".equals(condition.getText());
}
}