/// <summary>
/// Performs simple parsing of the text.
/// </summary>
protected override void ProcessText()
{
string[] ss = Split(RawText);
foreach (string s in ss)
{
InnerWords.Add(new Word(s));
}
}
/// <summary>
/// Processes formatting text.
/// </summary>
protected override void ProcessText()
{
Stack formatting = new Stack();
int pos = 0;
// Locate formatting tags
MatchCollection matches = _recognizer.Matches(RawText);
foreach (Match match in matches)
{
if (match.Index > pos)
{
string[] ss = Split(
RawText.Substring(pos, match.Index - pos));
// Collect formatting
Styles f = Styles.Regular;
object color = null;
foreach (FormatToken token in formatting)
{
f |= token.Format;
if (token.Format == Styles.Color)
{
color = token.Param;
}
}
foreach (string s in ss)
{
Word word = null;
if (color != null)
{
word = new StyledWord(s, f, (Color)color);
}
else
{
word = new StyledWord(s, f, Color.Empty);
}
InnerWords.Add(word);
}
// Advance pos
pos = match.Index;
}
if (match.Index == pos)
{
// Modify formatting
Styles f = Styles.Regular;
object param = null;
bool closing = match.Value.IndexOf("/") != -1;
string mval = match.Value.ToLower();
if (mval == "<b>" || mval == "</b>")
{
f = Styles.Bold;
}
else if (mval == "<i>" || mval == "</i>")
{
f = Styles.Italic;
}
else if (mval == "<u>" || mval == "</u>")
{
f = Styles.Underline;
}
else if (mval == "<sub>" || mval == "</sub>")
{
f = Styles.Sub;
}
else if (mval == "<sup>" || mval == "</sup>")
{
f = Styles.Sup;
}
else if (mval.IndexOf("color") != -1)
{
f = Styles.Color;
if (!closing)
{
int spos = mval.IndexOf("#");
string color = mval.Substring(spos + 1, 6);
param = Color.FromArgb(
int.Parse(color.Substring(0, 2), System.Globalization.NumberStyles.HexNumber),
int.Parse(color.Substring(2, 2), System.Globalization.NumberStyles.HexNumber),
int.Parse(color.Substring(4, 2), System.Globalization.NumberStyles.HexNumber));
}
}
// It it is opening tag, add it to the stack,
// otherwise - find the last corresponding opening
// tag and remove it from the stack.
if (!closing)
{
formatting.Push(new FormatToken(f, param));
}
else
{
Stack temp = new Stack();
while (formatting.Count > 0)
{
if ((formatting.Peek() as FormatToken).Format == f)
{
break;
}
temp.Push(formatting.Pop());
}
// Remove if found
if (formatting.Count > 0)
{
formatting.Pop();
}
// Return the remaining tokens
while (temp.Count > 0)
{
formatting.Push(temp.Pop());
}
}
// Advance pos
pos += match.Length;
continue;
}
throw new Exception("Styled text internal error.");
}
if (pos < RawText.Length)
{
string[] ss = Split(RawText.Substring(pos));
// Collect formatting
Styles f = Styles.Regular;
object color = null;
foreach (FormatToken token in formatting)
{
f |= token.Format;
if (token.Format == Styles.Color)
{
color = token.Param;
}
}
foreach (string s in ss)
{
Word word = null;
if (color != null)
{
word = new StyledWord(s, f, (Color)color);
}
else
{
word = new StyledWord(s, f, Color.Empty);
}
InnerWords.Add(word);
}
}
// Update the pure text
_plainText = "";
foreach (Word word in InnerWords)
{
_plainText += word.Value;
}
}
