/*
* Copyright 2000-2013 JetBrains s.r.o.
* Copyright 2014-2014 AS3Boyan
* Copyright 2014-2014 Elias Ku
*
* 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.intellij.plugins.haxe.ide.formatter;
import com.intellij.formatting.Alignment;
import com.intellij.lang.ASTNode;
import com.intellij.psi.codeStyle.CommonCodeStyleSettings;
import com.intellij.psi.tree.IElementType;
import org.jetbrains.annotations.Nullable;
import static com.intellij.plugins.haxe.lang.lexer.HaxeTokenTypeSets.BINARY_EXPRESSIONS;
import static com.intellij.plugins.haxe.lang.lexer.HaxeTokenTypeSets.FUNCTION_DEFINITION;
import static com.intellij.plugins.haxe.lang.lexer.HaxeTokenTypes.*;
/**
* @author: Fedor.Korotkov
*/
public class HaxeAlignmentProcessor {
private final ASTNode myNode;
private final Alignment myBaseAlignment;
private final CommonCodeStyleSettings mySettings;
public HaxeAlignmentProcessor(ASTNode node, CommonCodeStyleSettings settings) {
myNode = node;
mySettings = settings;
myBaseAlignment = Alignment.createAlignment();
}
@Nullable
public Alignment createChildAlignment() {
IElementType elementType = myNode.getElementType();
ASTNode parent = myNode.getTreeParent();
IElementType parentType = parent == null ? null : parent.getElementType();
if (BINARY_EXPRESSIONS.contains(elementType) && mySettings.ALIGN_MULTILINE_BINARY_OPERATION) {
return myBaseAlignment;
}
if (elementType == TERNARY_EXPRESSION && mySettings.ALIGN_MULTILINE_TERNARY_OPERATION) {
return myBaseAlignment;
}
if (elementType == PARAMETER_LIST || elementType == EXPRESSION_LIST) {
boolean doAlign = false;
if (FUNCTION_DEFINITION.contains(parentType)) {
doAlign = mySettings.ALIGN_MULTILINE_PARAMETERS;
}
else if (parentType == CALL_EXPRESSION) {
doAlign = mySettings.ALIGN_MULTILINE_PARAMETERS_IN_CALLS;
}
if (doAlign) {
return myBaseAlignment;
}
}
return null;
}
}