public TextLinesCursor(TextLinesCursor InCsr)
{
mLines = InCsr.mLines;
mLinesNode = InCsr.mLinesNode;
mLineOx = InCsr.mLineOx;
mRltv = InCsr.mRltv;
}
public TextLinesCursor()
{
mLines = null;
mLinesNode = null;
mLineOx = -1;
mRltv = RelativePosition.None;
}
public void LineAdvance(TextLines InLines)
{
switch (mRltv)
{
case RelativePosition.Begin:
mLinesNode = InLines.FirstLine;
break;
case RelativePosition.Before:
break;
case RelativePosition.At:
mLinesNode = mLinesNode.Next;
break;
case RelativePosition.After:
mLinesNode = mLinesNode.Next;
break;
default:
mLinesNode = null;
break;
}
if (mLinesNode == null)
{
mRltv = RelativePosition.None;
}
else
{
mRltv = RelativePosition.At;
mLineOx = 0;
}
}
public TextLinesCursor(
LinkedListNode <TextLine> InLinesNode, int InLineOx, RelativePosition InRltv)
{
mLines = null;
mLinesNode = InLinesNode;
mLineOx = InLineOx;
mRltv = InRltv;
}
public TextLinesCursor(
TextLines InLines, RelativePosition InRltv)
{
mLines = InLines;
mLinesNode = null;
mLineOx = -1;
mRltv = InRltv;
if ((InRltv != RelativePosition.Begin) &&
(InRltv != RelativePosition.End) &&
(InRltv != RelativePosition.None))
{
throw new ApplicationException(
"only pos bgn and pos end allowed thru this constructor");
}
}
private static TextLinesCursor Scanner_InitialCursorSetup(
TextLines InLines, TextLinesCursor InCsr)
{
TextLinesCursor csr = new TextLinesCursor(InCsr);
if (csr.Position == RelativePosition.Begin)
{
csr.LineAdvance(InLines);
}
else if (csr.EndOfLine == true)
{
csr.LineAdvance(InLines);
}
return(csr);
}
public static TextLines FileToTextLines(string InPath)
{
TextLines lines = new TextLines();
StringBuilder sb = new StringBuilder(20000);
using (StreamReader sr = new StreamReader(InPath))
{
while (true)
{
string line = sr.ReadLine();
if (line == null)
{
break;
}
lines.AddLast(line);
}
}
return(lines);
}
