/// <summary>
/// 解析HTML时遇到结束标签时的处理
/// </summary>
/// <param name="myReader"></param>
/// <param name="vTagName"></param>
/// <returns></returns>
internal virtual bool MeetEndTag(HTMLTextReader myReader, string vTagName)
{
if (vTagName == this.TagName || this.CheckChildTagName(vTagName) == false)
{
myReader.MoveAfter('>');
return(true);
}
else
{
return(false);
}
}
/// <summary>
/// 处理结束标签
/// </summary>
/// <param name="myReader"></param>
/// <param name="vTagName"></param>
/// <returns></returns>
internal override bool MeetEndTag(HTMLTextReader myReader, string vTagName)
{
if (vTagName == StringConstTagName.Head)
{
myReader.MoveAfter('>');
return(true);
}
else
{
return(false);
}
}
/// <summary>
/// 加载内容
/// </summary>
/// <param name="myReader">HTML文本读取器</param>
/// <returns>操作是否成功</returns>
internal virtual bool InnerRead(HTMLTextReader myReader)
{
if (this.HasText)
{
// 加载文本内容
string vText = myReader.ReadString();
if (myReader.StartWidth("</" + this.TagName))
{
myReader.MoveAfter('>');
}
this.Text = vText;
}
return(true);
}
/// <summary>
/// 从HTML文本读取器读取数据并加载子元素
/// </summary>
/// <param name="myReader">HTML文本读取器</param>
/// <returns>操作是否成功</returns>
internal override bool InnerRead(HTMLTextReader myReader)
{
string strTagName;
while (!myReader.EOF)
{
string strText = myReader.ReadString();
if (strText != null && this.CheckChildTagName(StringConstTagName.TextNode))
{
HTMLTextNodeElement txt = new HTMLTextNodeElement();
txt.Text = strText;
AppendChild(txt);
}
if (myReader.EOF)
{
break;
}
if (myReader.NextChar == '!')
{
if (myReader.StartWidth("<!--"))
{
myReader.MoveStep(4);
strText = myReader.ReadUntil("-->");
if (strText != null)
{
if (this.CheckChildTagName(StringConstTagName.Comment))
{
HTMLCommentElement com = new HTMLCommentElement();
com.Text = strText;
AppendChild(com);
}
}
myReader.MoveStep(3);
continue;
}
else
{
myReader.MoveAfter('>');
myReader.SkipWhiteSpace();
continue;
}
}
// else if( myReader.NextChar == '/')
// {
// if( myReader.StartWidth("</" + this.TagName ))
// {
// myReader.MoveAfter('>');
// break;
// }
// else
// {
// myReader.MoveAfter('>');
// continue;
// }
// }
else if (myReader.NextChar == '/')
{
myReader.MoveStep(2);
string vEndTag = myReader.PeekWord();
myReader.MoveStep(-2);
// if( ( vEndTag != null ) && vEndTag.ToLower() == this.TagName )
// {
// myReader.MoveAfter('>');
// break;
// }
if ((vEndTag != null) && (MeetEndTag(myReader, vEndTag.ToLower())))
{
break;
}
else
{
myReader.MoveAfter('>');
continue;
}
}
else if (myReader.NextChar == '?')
{
myReader.MoveAfter('>');
continue;
}
myReader.MoveNext();
strTagName = myReader.ReadWord();
if (strTagName != null)
{
strTagName = strTagName.ToLower();
if (!BeforeLoadTag(strTagName))
{
myReader.MovePreTo('<');
break;
}
if (this.CheckChildTagName(strTagName))
{
HTMLElement NewElement = myOwnerDocument.InnerCreateElement(strTagName, this);
if (NewElement != null)
{
AppendChild(NewElement);
NewElement.Read(myReader);
}
else
{
myReader.ReadToEndTag(strTagName);
}
}
}
} //while
return(true);
}
