/// <summary>
/// Gets the new line as a string.
/// </summary>
public static string GetString(UnicodeNewline newLine)
{
switch (newLine)
{
case UnicodeNewline.Unknown:
return("");
case UnicodeNewline.LF:
return("\n");
case UnicodeNewline.CRLF:
return("\r\n");
case UnicodeNewline.CR:
return("\r");
case UnicodeNewline.NEL:
return("\u0085");
case UnicodeNewline.VT:
return("\u000B");
case UnicodeNewline.FF:
return("\u000C");
case UnicodeNewline.LS:
return("\u2028");
case UnicodeNewline.PS:
return("\u2029");
default:
throw new ArgumentOutOfRangeException();
}
}
void ChangeLength(TreeNode line, int newLength, UnicodeNewline newLine)
{
line.LengthIncludingDelimiter = newLength;
line.UnicodeNewline = newLine;
OnLineChanged(new LineEventArgs(line));
line.UpdateAugmentedData();
}
public SimpleLineSegment(SimpleReadonlyDocument splitter, int lineNumber, int offset, int length, UnicodeNewline newLine)
{
this.splitter = splitter;
LineNumber = lineNumber;
LengthIncludingDelimiter = length;
UnicodeNewline = newLine;
Offset = offset;
}
public static string NormilizeEols(string text, UnicodeNewline newLine)
{
if (string.IsNullOrEmpty(text))
{
return(text);
}
var eol = GetString(newLine);
text = Regex.Replace(text, @"\r\n|\n\r|\n|\r", eol);
return(text);
}
TreeNode InsertAfter(TreeNode segment, int length, UnicodeNewline newLine)
{
var result = new TreeNode(length, newLine);
if (segment == null)
{
tree.Root = result;
tree.Count = 1;
return(result);
}
tree.InsertAfter(segment, result);
result.UpdateAugmentedData();
OnLineInserted(new LineEventArgs(result));
return(result);
}
/// <summary>
/// Replace Unicode NewLines with ControlChars.NullChar or Specified Character
/// </summary>
/// <param name="text">Source Test</param>
/// <param name="SubstituteChar">Default is vbNullChar</param>
/// <returns>String with Unicode NewLines replaced with SubstituteChar</returns>
public static string WithoutNewLines(this string text, char SubstituteChar = default)
{
System.Diagnostics.Contracts.Contract.Requires(text != null);
var sb = new StringBuilder();
int length = default(int);
UnicodeNewline type = default(UnicodeNewline);
for (int i = 0, loopTo = text.Length - 1; i <= loopTo; i++)
{
char ch = text[i];
// Do not delete the next line
int j = i;
if (TryGetDelimiterLengthAndType(ch, out length, out type, () => j < text.Length - 1 ? text[j + 1] : SubstituteChar))
{
i += length - 1;
continue;
}
sb.Append(ch);
}
return(sb.ToString());
}
/// <summary>
/// Gets the new line as a string.
/// </summary>
public static string GetString(UnicodeNewline newLine)
{
switch (newLine)
{
case UnicodeNewline.Unknown:
return "";
case UnicodeNewline.LF:
return "\n";
case UnicodeNewline.CRLF:
return "\r\n";
case UnicodeNewline.CR:
return "\r";
case UnicodeNewline.NEL:
return "\u0085";
case UnicodeNewline.VT:
return "\u000B";
case UnicodeNewline.FF:
return "\u000C";
case UnicodeNewline.LS:
return "\u2028";
case UnicodeNewline.PS:
return "\u2029";
default:
throw new ArgumentOutOfRangeException();
}
}
/// <summary>
/// Determines if a char is a new line delimiter.
/// </summary>
/// <returns>0 == no new line, otherwise it returns either 1 or 2 depending of the length of the delimiter.</returns>
/// <param name="curChar">The current character.</param>
/// <param name = "length">The length of the delimiter</param>
/// <param name = "type">The type of the delimiter</param>
/// <param name="nextChar">The next character (if != LF then length will always be 0 or 1).</param>
public static bool TryGetDelimiterLengthAndType(char curChar, out int length, out UnicodeNewline type, char nextChar)
{
if (curChar == CR)
{
if (nextChar == LF)
{
length = 2;
type = UnicodeNewline.CRLF;
}
else
{
length = 1;
type = UnicodeNewline.CR;
}
return true;
}
switch (curChar)
{
case LF:
type = UnicodeNewline.LF;
length = 1;
return true;
case NEL:
type = UnicodeNewline.NEL;
length = 1;
return true;
case VT:
type = UnicodeNewline.VT;
length = 1;
return true;
case FF:
type = UnicodeNewline.FF;
length = 1;
return true;
case LS:
type = UnicodeNewline.LS;
length = 1;
return true;
case PS:
type = UnicodeNewline.PS;
length = 1;
return true;
}
length = -1;
type = UnicodeNewline.Unknown;
return false;
}
public Delimiter (int offset, UnicodeNewline unicodeNewline)
{
Offset = offset;
UnicodeNewline = unicodeNewline;
}
public TreeNode(int length, UnicodeNewline newLine) : base(length, newLine)
{
}
public PrimitiveLineSegment (PrimitiveLineSplitter splitter, int lineNumber, int offset, int length, UnicodeNewline newLine) : base(length, newLine)
{
this.splitter = splitter;
this.lineNumber = lineNumber;
Offset = offset;
}
public Delimiter(int offset, UnicodeNewline unicodeNewline)
{
Offset = offset;
UnicodeNewline = unicodeNewline;
}
public SimpleLineSegment (SimpleReadonlyDocument splitter, int lineNumber, int offset, int length, UnicodeNewline newLine)
{
this.splitter = splitter;
LineNumber = lineNumber;
LengthIncludingDelimiter = length;
UnicodeNewline = newLine;
Offset = offset;
}
public PrimitiveLineSegment(PrimitiveLineSplitter splitter, int lineNumber, int offset, int length, UnicodeNewline newLine) : base(length, newLine)
{
this.splitter = splitter;
this.lineNumber = lineNumber;
Offset = offset;
}
void ChangeLength (TreeNode line, int newLength, UnicodeNewline newLine)
{
line.LengthIncludingDelimiter = newLength;
line.UnicodeNewline = newLine;
OnLineChanged (new LineEventArgs (line));
line.UpdateAugmentedData ();
}
TreeNode InsertAfter (TreeNode segment, int length, UnicodeNewline newLine)
{
var result = new TreeNode (length, newLine) { StartSpan = segment.StartSpan };
if (segment == null) {
tree.Root = result;
tree.Count = 1;
return result;
}
tree.InsertAfter (segment, result);
result.UpdateAugmentedData ();
OnLineInserted (new LineEventArgs (result));
return result;
}
public TreeNode (int length, UnicodeNewline newLine) : base(length, newLine)
{
}
/// <summary>
/// Determines if a char is a new line delimiter.
/// </summary>
/// <returns>0 == no new line, otherwise it returns either 1 or 2 depending of the length of the delimiter.</returns>
/// <param name="curChar">The current character.</param>
/// <param name = "length">The length of the delimiter</param>
/// <param name = "type">The type of the delimiter</param>
/// <param name="nextChar">The next character (if != LF then length will always be 0 or 1).</param>
public static bool TryGetDelimiterLengthAndType(char curChar, out int length, out UnicodeNewline type, char nextChar)
{
if (curChar == CR)
{
if (nextChar == LF)
{
length = 2;
type = UnicodeNewline.CRLF;
}
else
{
length = 1;
type = UnicodeNewline.CR;
}
return(true);
}
switch (curChar)
{
case LF:
type = UnicodeNewline.LF;
length = 1;
return(true);
case NEL:
type = UnicodeNewline.NEL;
length = 1;
return(true);
case VT:
type = UnicodeNewline.VT;
length = 1;
return(true);
case FF:
type = UnicodeNewline.FF;
length = 1;
return(true);
case LS:
type = UnicodeNewline.LS;
length = 1;
return(true);
case PS:
type = UnicodeNewline.PS;
length = 1;
return(true);
}
length = -1;
type = UnicodeNewline.Unknown;
return(false);
}
protected DocumentLine(int length, UnicodeNewline unicodeNewline)
{
LengthIncludingDelimiter = length;
UnicodeNewline = unicodeNewline;
}
static int GetEolMarkerIndex (UnicodeNewline ch)
{
switch (ch) {
case UnicodeNewline.Unknown:
return 0;
case UnicodeNewline.LF:
return 1;
case UnicodeNewline.CRLF:
return 2;
case UnicodeNewline.CR:
return 3;
case UnicodeNewline.NEL:
return 4;
case UnicodeNewline.VT:
return 5;
case UnicodeNewline.FF:
return 6;
case UnicodeNewline.LS:
return 7;
case UnicodeNewline.PS:
return 8;
}
return 0;
}
protected DocumentLine (int length, UnicodeNewline unicodeNewline)
{
LengthIncludingDelimiter = length;
UnicodeNewline = unicodeNewline;
}