package de.halirutan.mathematica.codeinsight.formatter;
import com.google.common.collect.Lists;
import com.intellij.formatting.*;
import com.intellij.lang.ASTNode;
import com.intellij.psi.codeStyle.CommonCodeStyleSettings;
import com.intellij.psi.tree.IElementType;
import de.halirutan.mathematica.codeinsight.formatter.settings.MathematicaCodeStyleSettings;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import java.util.List;
import static de.halirutan.mathematica.parsing.MathematicaElementTypes.*;
/**
* @author patrick (11/4/13)
*/
public class MathematicaFunctionBlock extends AbstractMathematicaBlock {
public MathematicaFunctionBlock(@NotNull ASTNode node,
@Nullable Alignment alignment,
SpacingBuilder spacingBuilder,
@Nullable Wrap wrap,
CommonCodeStyleSettings settings,
MathematicaCodeStyleSettings mmaSettings) {
super(
node,
alignment,
spacingBuilder,
wrap,
settings,
mmaSettings);
}
@Override
protected List<Block> buildChildren() {
List<Block> result = Lists.newArrayList();
ChildState state = ChildState.BEFORE_BRACE;
Alignment childAlignment = null;
for (ASTNode child = getNode().getFirstChildNode(); child != null; child = child.getTreeNext()) {
IElementType childType = child.getElementType();
if (child.getTextRange().getLength() == 0 ||
childType == WHITE_SPACE ||
childType == LINE_BREAK) continue;
switch (state) {
case BEFORE_BRACE:
if (childType == LEFT_BRACKET) {
state = ChildState.IN_BODY;
}
result.add(createMathematicaBlock(child, null, mySpacingBuilder, myWrap, mySettings, myMathematicaSettings));
break;
case IN_BODY:
if (childType == RIGHT_BRACKET) {
state = ChildState.AFTER_BODY;
result.add(createMathematicaBlock(child, null, mySpacingBuilder, myWrap, mySettings, myMathematicaSettings));
break;
}
result.add(createMathematicaBlock(child, childAlignment, mySpacingBuilder, myWrap, mySettings, myMathematicaSettings));
break;
case AFTER_BODY:
// theoretically not possible!
result.add(createMathematicaBlock(child, null, mySpacingBuilder, myWrap, mySettings, myMathematicaSettings));
break;
}
}
return result;
}
@NotNull
@Override
public ChildAttributes getChildAttributes(int newChildIndex) {
return new ChildAttributes(Indent.getNormalIndent(false), null);
}
private enum ChildState {
BEFORE_BRACE, IN_BODY, AFTER_BODY
}
}