/// <summary>
/// Adds context to the result item, coming from code block starting at given position
/// </summary>
protected void AddContextToItem(AbstractResultItem item, EditPoint2 editPoint)
{
StringBuilder context = new StringBuilder();
// indices +1 !!
int topLines = 0;
int currentLine = item.ReplaceSpan.iStartLine;
int contextRelativeLine = 0;
// add NumericConstants.ContextLineRadius lines above the result item with at least 2 non-whitespace characters
while (currentLine >= 1 && topLines < NumericConstants.ContextLineRadius)
{
editPoint.MoveToLineAndOffset(currentLine, 1);
string lineText = editPoint.GetText(editPoint.LineLength);
if (lineText.Trim().Length > 0)
{
context.Insert(0, lineText + Environment.NewLine);
contextRelativeLine++;
if (lineText.Trim().Length > 1)
{
topLines++;
}
}
currentLine--;
}
editPoint.MoveToLineAndOffset(item.ReplaceSpan.iStartLine + 1, 1);
context.Append(editPoint.GetText(item.ReplaceSpan.iStartIndex));
context.Append(StringConstants.ContextSubstituteText); // add text that will be displayed instead of actual result item
editPoint.MoveToLineAndOffset(item.ReplaceSpan.iEndLine + 1, item.ReplaceSpan.iEndIndex + 1);
context.Append(editPoint.GetText(editPoint.LineLength - item.ReplaceSpan.iEndIndex + 1));
int botLines = 0;
currentLine = item.ReplaceSpan.iEndLine + 2;
// add NumericConstants.ContextLineRadius lines below the result item with at least 2 non-whitespace characters
while (botLines < NumericConstants.ContextLineRadius)
{
editPoint.MoveToLineAndOffset(currentLine, 1);
string lineText = editPoint.GetText(editPoint.LineLength);
if (lineText.Trim().Length > 0)
{
context.Append(Environment.NewLine + lineText);
if (lineText.Trim().Length > 1)
{
botLines++;
}
}
editPoint.EndOfLine();
if (editPoint.AtEndOfDocument)
{
break;
}
currentLine++;
}
item.Context = context.ToString();
item.ContextRelativeLine = contextRelativeLine; // index of "middle" line
}