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using System;
namespace ICSharpCode.NRefactory.CSharp
{
/// <summary>
/// A New line node represents a line break in the text.
/// </summary>
public abstract class NewLineNode : AstNode
{
public override NodeType NodeType {
get {
return NodeType.Whitespace;
}
}
public abstract UnicodeNewline NewLineType {
get;
}
TextLocation startLocation;
public override TextLocation StartLocation {
get {
return startLocation;
}
}
public override TextLocation EndLocation {
get {
return new TextLocation (startLocation.Line + 1, 1);
}
}
public NewLineNode() : this (TextLocation.Empty)
{
}
public NewLineNode(TextLocation startLocation)
{
this.startLocation = startLocation;
}
public sealed override string ToString(CSharpFormattingOptions formattingOptions)
{
return NewLine.GetString (NewLineType);
}
public override void AcceptVisitor(IAstVisitor visitor)
{
visitor.VisitNewLine (this);
}
public override T AcceptVisitor<T>(IAstVisitor<T> visitor)
{
return visitor.VisitNewLine (this);
}
public override S AcceptVisitor<T, S>(IAstVisitor<T, S> visitor, T data)
{
return visitor.VisitNewLine (this, data);
}
}
class UnixNewLine : NewLineNode
{
public override UnicodeNewline NewLineType {
get {
return UnicodeNewline.LF;
}
}
public UnixNewLine()
{
}
public UnixNewLine(TextLocation startLocation) : base (startLocation)
{
}
protected internal override bool DoMatch(AstNode other, PatternMatching.Match match)
{
var o = other as UnixNewLine;
return o != null;
}
}
class WindowsNewLine : NewLineNode
{
public override UnicodeNewline NewLineType {
get {
return UnicodeNewline.CRLF;
}
}
public WindowsNewLine()
{
}
public WindowsNewLine(TextLocation startLocation) : base (startLocation)
{
}
protected internal override bool DoMatch(AstNode other, PatternMatching.Match match)
{
var o = other as WindowsNewLine;
return o != null;
}
}
class MacNewLine : NewLineNode
{
public override UnicodeNewline NewLineType {
get {
return UnicodeNewline.CR;
}
}
public MacNewLine()
{
}
public MacNewLine(TextLocation startLocation) : base (startLocation)
{
}
protected internal override bool DoMatch(AstNode other, PatternMatching.Match match)
{
var o = other as MacNewLine;
return o != null;
}
}
}
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