public InlineElementRule(InlineElementType elementType, Regex regex, InlineElementConstraint constraint)
{
ElementType = elementType;
Regex = regex;
Constraint = constraint;
}
private InlineElementRuleMatch <TInlineElement> CreateInlineElement <TInlineElement>(Match match, InlineElementConstraint constraint)
where TInlineElement : IInlineElement, IText, IAttributable, new()
{
string unEscapedAttributes = null;
var firstMatch = match.Groups[0].Value;
if (firstMatch.StartsWith("\\"))
{
if (constraint == InlineElementConstraint.Constrained && !string.IsNullOrEmpty(match.Groups[2].Value))
{
unEscapedAttributes = match.Groups[2].Value;
}
else
{
var element = new TInlineElement
{
Text = firstMatch.Substring(1, firstMatch.Length - 1)
};
return(new InlineElementRuleMatch <TInlineElement>(element, match.Index, match.Index + match.Length, new string(' ', match.Length)));
}
}
if (constraint == InlineElementConstraint.Constrained)
{
if (unEscapedAttributes != null)
{
// TODO: Parse the unEscapedAttributes and add to element
var element = new TInlineElement
{
Text = match.Groups[3].Value
};
var startIndex = match.Value[0] == ' ' || match.Value[0] == '\t'
? match.Index + 1
: match.Index;
var endIndex = match.Index + match.Length;
return(new InlineElementRuleMatch <TInlineElement>(element, startIndex, endIndex, new string(' ', match.Length)));
}
else
{
var attributes = ParseQuotedAttributes(match.Groups[2].Value);
var element = new TInlineElement
{
Text = match.Groups[3].Value
};
if (attributes != null)
{
element.Attributes.Add(attributes);
}
var group1 = match.Groups[1].Value;
var startIndex = !string.IsNullOrEmpty(group1)
? match.Index + group1.Length
: match.Index;
var endIndex = match.Index + match.Length;
//TODO: do something with match.Groups[1].Value
var replacement = !string.IsNullOrEmpty(group1)
? group1 + new string(' ', match.Length - group1.Length)
: new string(' ', match.Length);
return(new InlineElementRuleMatch <TInlineElement>(element, startIndex, endIndex, replacement));
}
}
else
{
var element = new TInlineElement
{
Text = match.Groups[2].Value
};
var attributes = ParseQuotedAttributes(match.Groups[1].Value);
if (attributes != null)
{
element.Attributes.Add(attributes);
}
return(new InlineElementRuleMatch <TInlineElement>(element, match.Index, match.Index + match.Length, new string(' ', match.Length)));
}
}
