////////////////////////////////////////////////////////////////////////////////////////////////////////////////
/// <summary>
/// Method: State Attribute.
/// </summary>
/// <param name="c"> The char c.</param>
/// <returns>
/// The Scan.TokenType value.
/// </returns>
////////////////////////////////////////////////////////////////////////////////////////////////////////////////
private TokenType StateAttribute(char c)
{
switch (c)
{
case '>':
Scanner.AppendMoveNext(c);
_state = _state == State.ScriptAttribute?State.Script: State.Body;
return(TokenType.Punctuation);
case '/':
c = Scanner.AppendMoveNext(c);
if (c == '>')
{
Scanner.AppendMoveNext(c);
_state = State.None;
}
return(TokenType.Punctuation);
case '\'':
case '"':
return(Scanner.ScanDelimited(c, TokenType.String, '\0'));
case '\n':
return(Scanner.ScanEol());
}
return(char.IsLetter(c) ? Scanner.ScanName(c) : base.ClassifyCharacter(c));
}
////////////////////////////////////////////////////////////////////////////////////////////////////////////////
/// <summary>
/// Method: Block Comment.
/// </summary>
/// <param name="c"> The char c.</param>
/// <returns>
/// The SourcePreview.TokenType value.
/// </returns>
////////////////////////////////////////////////////////////////////////////////////////////////////////////////
private TokenType BlockComment(char c)
{
while (c != '\0')
{
switch (c)
{
case '\n':
if (Scanner.Token.Length > 0)
{
return(TokenType.Comment);
}
return(Scanner.ScanEol());
case '\r':
c = Scanner.MoveNext();
break;
default:
if (Scanner.Accept(Scanner.Language.BlockComment[1], false))
{
_inBlockComment = false;
return(TokenType.Comment);
}
c = Scanner.AppendMoveNext(c);
break;
}
}
return(TokenType.Comment);
}
////////////////////////////////////////////////////////////////////////////////////////////////////////////////
/// <summary>
/// Method: Classify Possible Tag.
/// </summary>
/// <param name="c"> The char c.</param>
/// <returns>
/// The Scan.TokenType value.
/// </returns>
////////////////////////////////////////////////////////////////////////////////////////////////////////////////
private TokenType ClassifyPossibleTag(char c)
{
while (c != '\0')
{
switch (c)
{
case '\n':
return(Scanner.Token.Length > 0 ? (TokenType)TokenType.Default : Scanner.ScanEol());
case '<':
if (Scanner.Token.Length > 0)
{
return(TokenType.Default);
}
c = Scanner.AppendMoveNext(c);
if (c == '/')
{
// end tag
Scanner.AppendMoveNext(c);
_state = State.Tag;
return(TokenType.Punctuation);
}
else if (c == '!')
{
// <!DOCTYPE xxxxxx >
// <!-- xxxxxxx -->
c = Scanner.AppendMoveNext(c);
if (c == '-' && Scanner.PeekNextChar() == '-')
{
// looking for ending comment, treat as comment
_state = State.Comment;
return(ScanComment(c));
}
_state = State.Tag;
return(TokenType.Punctuation);
}
else
{
// start tag
_state = State.Tag;
return(TokenType.Punctuation);
}
default:
c = Scanner.AppendMoveNext(c);
break;
}
}
return(TokenType.End);
}
////////////////////////////////////////////////////////////////////////////////////////////////////////////////
/// <summary>
/// Method: Scan Comment. Either entering a comment or in a comment after Eol
/// </summary>
/// <returns>
/// The Scan.TokenType value.
/// </returns>
////////////////////////////////////////////////////////////////////////////////////////////////////////////////
private TokenType ScanComment(char c)
{
while (c != '\0' && c != '\n')
{
if (Scanner.Accept("-->", false))
{
_state = State.None;
break;
}
c = Scanner.AppendMoveNext(c);
}
return(TokenType.Comment);
}
////////////////////////////////////////////////////////////////////////////////////////////////////////////////
/// <summary>
/// Method: Scan Script.
/// </summary>
/// <param name="c"> The char c.</param>
/// <returns>
/// The Scan.TokenType value.
/// </returns>
////////////////////////////////////////////////////////////////////////////////////////////////////////////////
private TokenType ScanScript(char c)
{
while (c != '\0' && c != '\n')
{
if (c == '<')
{
c = Scanner.AppendMoveNext(c);
if (c == '/')
{
c = Scanner.AppendMoveNext(c);
Scanner.ScanName(c);
c = Scanner.CurrentChar;
if (c == '>')
{
Scanner.AppendMoveNext(c);
_state = State.None;
break;
}
}
}
c = Scanner.AppendMoveNext(c);
}
return(TokenType.Keyword3);
}
