private void OpenTag(HtmlNodeOpenTag openTag)
{
_node = null;
// tag : <P> <br> <a> <img>
switch (openTag.Name.ToLower())
{
case "p":
_node = new HtmlDocNodeBeginTag() { Tag = HtmlTagType.P, Index = ++_nodeIndex, Line = openTag.Line, Column = openTag.Column };
break;
case "br":
_node = new HtmlDocNodeTag() { Tag = HtmlTagType.BR, Index = ++_nodeIndex, Line = openTag.Line, Column = openTag.Column };
break;
case "a":
_node = new HtmlDocNodeBeginTagA() { Index = ++_nodeIndex, Line = openTag.Line, Column = openTag.Column };
break;
case "img":
_node = new HtmlDocNodeTagImg() { Index = ++_nodeIndex, Line = openTag.Line, Column = openTag.Column };
break;
}
}
private IEnumerable<HtmlNode> ReadOpenTag()
{
// read <
_charStreamReader.ReadChar();
HtmlNodeOpenTag openTag = new HtmlNodeOpenTag { Index = _htmlNodeIndex++, Line = _disableLineColumn ? 0 : _charStreamReader.Line,
Column = _disableLineColumn ? 0 : _charStreamReader.Column };
// read tag name
openTag.Name = ReadTagName();
//if (string.Compare(openTag.Name, "script", true) == 0)
if (!_disableScriptTreatment && string.Compare(openTag.Name, "script", true) == 0)
openTag.IsScript = true;
yield return openTag;
int code = _charStreamReader.PeekChar();
if (code == -1)
yield break;
char car = (char)code;
ReadSeparator();
int line = 0;
int column = 0;
code = _charStreamReader.PeekChar();
car = (char)code;
// read properties
if (car != '/' && car != '>')
{
while (true)
{
// read property name
_stringBuilder.Remove(0, _stringBuilder.Length);
line = 0;
column = 0;
while (true)
{
code = _charStreamReader.PeekChar();
if (code == -1)
break;
car = (char)code;
if (car == ' ' || car == '\t' || car == '\r' || car == '\n' || car == '=' || car == '>' || car == '<' || car == '/')
break;
_stringBuilder.Append(car);
_charStreamReader.ReadChar();
if (line == 0)
{
line = _charStreamReader.Line;
column = _charStreamReader.Column;
}
}
if (_stringBuilder.Length == 0)
break;
HtmlNodeProperty property = new HtmlNodeProperty
{
Index = _htmlNodeIndex++,
Line = _disableLineColumn ? 0 : line,
Column = _disableLineColumn ? 0 : column
};
property.Name = _stringBuilder.ToString();
ReadSeparator();
if ((char)_charStreamReader.PeekChar() == '=')
{
_charStreamReader.ReadChar();
ReadSeparator();
HtmlReaderStringValue value = ReadStringValue();
property.Quote = value.Quote;
property.Value = value.Value;
ReadSeparator();
}
yield return property;
}
}
code = _charStreamReader.PeekChar();
car = (char)code;
bool endTag = false;
line = 0;
column = 0;
if (car == '/')
{
endTag = true;
_charStreamReader.ReadChar();
line = _charStreamReader.Line;
column = _charStreamReader.Column;
code = _charStreamReader.PeekChar();
car = (char)code;
}
if (car == '>')
{
_charStreamReader.ReadChar();
if (endTag)
yield return CreateHtmlNodeEndTag(openTag.Name, line, column);
else if (_generateCloseTag)
yield return CreateHtmlNodeCloseTag(openTag.Name, _charStreamReader.Line, _charStreamReader.Column);
}
}
