public LiteralElement(LiteralElementType type, IDictionary attributes)
{
Type = type;
Attributes = attributes;
Text = String.Empty;
}
public LiteralElement(String text)
{
Type = LiteralElementType.Text;
Attributes = null;
Text = text;
}
public LiteralElement(LiteralElementType type, IDictionary attributes)
{
Type = type;
Attributes = attributes;
Text = String.Empty;
}
// Parse a single tag.
private void ParseTag(String literalText, int tagStart, int tagFinish)
{
bool isClosingTag;
if ((isClosingTag = (literalText[tagStart] == '/')) == true)
{
tagStart++;
}
// Empty tag?
if (tagStart == tagFinish)
{
return;
}
// Look for end of tag name.
int tagNameFinish = tagStart;
while (tagNameFinish < tagFinish &&
!Char.IsWhiteSpace(literalText[tagNameFinish]) && literalText[tagNameFinish] != '/')
{
tagNameFinish++;
}
// Extract tag name, and compare to recognized tags.
String tagName = literalText.Substring(tagStart, tagNameFinish - tagStart);
LiteralElementType tagType = TagNameToType(tagName);
if (tagType == LiteralElementType.Unrecognized)
{
return;
}
// Are we already in a complex tag?
if (_currentTag != null)
{
// Ignore any inner tags, except the closing tag.
if (_currentTag.Type == tagType && isClosingTag)
{
ProcessElementInternal(_currentTag);
_currentTag = null;
}
else
{
// TODO: Error?
}
return;
}
switch (tagType)
{
case LiteralElementType.Paragraph:
// Do not create two breaks for </p><p> pairs.
if (!_isBreakingReset)
{
_isBreakingReset = true;
goto case LiteralElementType.Break;
}
break;
case LiteralElementType.Break:
// If a break is already pending, insert an empty one.
if (_beginNewParagraph)
{
ParseText("");
}
if (_lastQueuedElement != null &&
_lastQueuedElement.Text.Length == 0)
{
_lastQueuedElement.ForceBreakTag = true;
}
_beginNewParagraph = true;
break;
case LiteralElementType.Bold:
if (isClosingTag)
{
_formatStack.Pop(FormatStack.Bold);
}
else
{
_formatStack.Push(FormatStack.Bold);
}
break;
case LiteralElementType.Italic:
if (isClosingTag)
{
_formatStack.Pop(FormatStack.Italic);
}
else
{
_formatStack.Push(FormatStack.Italic);
}
break;
default:
{
if (!isClosingTag)
{
IDictionary attribs = ParseTagAttributes(literalText, tagNameFinish, tagFinish, tagName);
_currentTag = new LiteralElement(tagType, attribs);
}
break;
}
}
if (_isBreakingReset && tagType != LiteralElementType.Paragraph)
{
_isBreakingReset = false;
}
}
public LiteralElement(String text)
{
Type = LiteralElementType.Text;
Attributes = null;
Text = text;
}
