/// <summary>Gets the next valid token.</summary>
/// <returns>the next valid token</returns>
public virtual CssDeclarationValueTokenizer.Token GetNextValidToken()
{
CssDeclarationValueTokenizer.Token token = GetNextToken();
while (token != null && !token.IsString() && String.IsNullOrEmpty(token.GetValue().Trim()))
{
token = GetNextToken();
}
if (token != null && functionDepth > 0)
{
StringBuilder functionBuffer = new StringBuilder();
while (token != null && functionDepth > 0)
{
ProcessFunctionToken(token, functionBuffer);
token = GetNextToken();
}
functionDepth = 0;
if (functionBuffer.Length != 0)
{
if (token != null)
{
ProcessFunctionToken(token, functionBuffer);
}
return(new CssDeclarationValueTokenizer.Token(functionBuffer.ToString(), CssDeclarationValueTokenizer.TokenType
.FUNCTION));
}
}
return(token);
}
/// <summary>Processes a function token.</summary>
/// <param name="token">the token</param>
/// <param name="functionBuffer">the function buffer</param>
private void ProcessFunctionToken(CssDeclarationValueTokenizer.Token token, StringBuilder functionBuffer)
{
if (token.IsString())
{
functionBuffer.Append(stringQuote);
functionBuffer.Append(token.GetValue());
functionBuffer.Append(stringQuote);
}
else
{
functionBuffer.Append(token.GetValue());
}
}