/// <summary>
/// Replaces all line breaks in the text with the specied value.
/// </summary>
public EditString ReplaceLineBreaks(string newValue)
{
var text = this.CurrentText;
List <StringEdit> edits = null;
for (int i = 0; i < text.Length; i++)
{
if (TextFacts.IsLineBreakStart(text[i]))
{
var len = TextFacts.GetLineBreakLength(text, i);
// only make the edit if the newValue is different than the existing line break
if (len != newValue.Length || string.Compare(text, i, newValue, 0, len) != 0)
{
if (edits == null)
{
edits = new List <StringEdit>();
}
edits.Add(StringEdit.Replacement(i, len, newValue));
}
// add one less because for-loop will add one back
i += len - 1;
}
}
return(this.ApplyAll(edits));
}
/// <summary>
/// Removes the blank lines from the text.
/// </summary>
public EditString RemoveBlankLines()
{
var pos = 0;
var text = this.CurrentText;
List <StringEdit> edits = null;
while (pos < text.Length)
{
var len = TextFacts.GetLineLength(text, pos, includeLineBreak: true);
if (TextFacts.IsBlankLine(text, pos))
{
if (edits == null)
{
edits = new List <StringEdit>();
}
edits.Add(StringEdit.Deletion(pos, len));
}
pos += len;
}
return(this.ApplyAll(edits));
}
/// <summary>
/// Replaces all occurrances of <see cref="p:oldValue"/> with <see cref="p:newValue"/>
/// </summary>
public EditString Replace(string oldValue, string newValue)
{
int startIndex = 0;
List <StringEdit> edits = null;
while (true)
{
int oldValueStart = this.CurrentText.IndexOf(oldValue, startIndex);
if (oldValueStart < startIndex)
{
break;
}
if (edits == null)
{
edits = new List <StringEdit>();
}
edits.Add(StringEdit.Replacement(oldValueStart, oldValue.Length, newValue));
startIndex = oldValueStart + oldValue.Length;
}
return(this.ApplyAll(edits));
}
/// <summary>
/// Applies the edit.
/// </summary>
public EditString Apply(StringEdit edit)
{
return(ReplaceAt(edit.Start, edit.DeleteLength, edit.InsertText));
}