public TagMarkupBase ParseTag(string markup, int lineNumber, int charPos)
{
IfTagMarkup tagMarkup = null;
ExpressionMarkup expressionMarkup = null;
Match m = IfTagParserRegex.Match(markup);
if (m.Success) {
string tag = m.Groups["Tag"].Success ? m.Groups["Tag"].Value.Trim(): null;
if (string.IsNullOrEmpty(tag))
throw new ImpressionParseException("Unsupported Tag Found", markup, lineNumber, charPos);
string expression = m.Groups["Expression"].Success ? m.Groups["Expression"].Value.Trim() : null;
if (!string.IsNullOrEmpty(expression))
{
expressionMarkup = new ExpressionMarkup(reflector, filterRunner, expression, lineNumber, charPos);
}
switch(tag.ToLower())
{
case "if":
if (expressionMarkup == null)
throw new ImpressionParseException("IF Tag detected without expression", markup, lineNumber, charPos);
tagMarkup = new IfTagMarkup(
IfTagType.If,
expressionMarkup,
markup,
lineNumber,
charPos
);
break;
case "elseif":
if (expressionMarkup == null)
throw new ImpressionParseException("ELSEIF Tag detected without expression", markup, lineNumber, charPos);
tagMarkup = new IfTagMarkup(
IfTagType.ElseIf,
expressionMarkup,
markup,
lineNumber,
charPos
);
break;
case "else":
tagMarkup = new IfTagMarkup(
IfTagType.Else,
null,
markup,
lineNumber,
charPos
);
break;
case "endif":
tagMarkup = new IfTagMarkup(
IfTagType.EndIf,
null,
markup,
lineNumber,
charPos
);
break;
}
}
if (tagMarkup == null)
throw new ImpressionParseException("Unsupported Tag Found", markup, lineNumber, charPos);
return tagMarkup;
}
public TagMarkupBase ParseTag(string markup, int lineNumber, int charPos)
{
IfTagMarkup tagMarkup = null;
ExpressionMarkup expressionMarkup = null;
Match m = IfTagParserRegex.Match(markup);
if (m.Success)
{
string tag = m.Groups["Tag"].Success ? m.Groups["Tag"].Value.Trim(): null;
if (string.IsNullOrEmpty(tag))
{
throw new ImpressionParseException("Unsupported Tag Found", markup, lineNumber, charPos);
}
string expression = m.Groups["Expression"].Success ? m.Groups["Expression"].Value.Trim() : null;
if (!string.IsNullOrEmpty(expression))
{
expressionMarkup = new ExpressionMarkup(reflector, filterRunner, expression, lineNumber, charPos);
}
switch (tag.ToLower())
{
case "if":
if (expressionMarkup == null)
{
throw new ImpressionParseException("IF Tag detected without expression", markup, lineNumber, charPos);
}
tagMarkup = new IfTagMarkup(
IfTagType.If,
expressionMarkup,
markup,
lineNumber,
charPos
);
break;
case "elseif":
if (expressionMarkup == null)
{
throw new ImpressionParseException("ELSEIF Tag detected without expression", markup, lineNumber, charPos);
}
tagMarkup = new IfTagMarkup(
IfTagType.ElseIf,
expressionMarkup,
markup,
lineNumber,
charPos
);
break;
case "else":
tagMarkup = new IfTagMarkup(
IfTagType.Else,
null,
markup,
lineNumber,
charPos
);
break;
case "endif":
tagMarkup = new IfTagMarkup(
IfTagType.EndIf,
null,
markup,
lineNumber,
charPos
);
break;
}
}
if (tagMarkup == null)
{
throw new ImpressionParseException("Unsupported Tag Found", markup, lineNumber, charPos);
}
return(tagMarkup);
}
