public static ICollection <IXmlChild> Parse(ref string text)
{
int index = 0;
uint endLevel;
XmlParent self = new XmlParent(0, "", null);
return(Parse(ref text, ref index, out endLevel, self));
}
private static ICollection <IXmlChild> Parse(ref string text, ref int index, out uint endLevel, XmlParent parent)
{
LinkedList <IXmlChild> xmlChilds = new LinkedList <IXmlChild>();
int contentStart = index;
int contentEnd = contentStart;
endLevel = 0;
while (index < text.Length)
{
IXmlElement xmlElement = GetElement(ref text, ref index, out endLevel, parent);
if (endLevel != 0)
{
if (xmlElement != null)
{
xmlChilds.AddLast(xmlElement);
}
break;
}
else if (xmlElement == null)
{
SkipContentEnd(ref text, ref index, ref contentEnd);
}
else
{
if (contentEnd > contentStart)
{
xmlChilds.AddLast(MyXml.Content(text.Substring(contentStart, contentEnd - contentStart)));
}
xmlChilds.AddLast(xmlElement);
contentStart = index;
contentEnd = contentStart;
}
}
if (parent.level == 0)
{
if (contentEnd > contentStart && IsContainNonWhiteChar(ref text, contentStart, contentEnd))
{
xmlChilds.AddLast(MyXml.Content(text.Substring(contentStart, contentEnd - contentStart)));
}
return(xmlChilds);
}
else if (endLevel != 0)
{
if (contentEnd > contentStart)
{
xmlChilds.AddLast(MyXml.Content(text.Substring(contentStart, contentEnd - contentStart)));
}
return(xmlChilds);
}
else
{
return(null);
}
}
private static IXmlElement GetElement(ref string text, ref int index, out uint endLevel, XmlParent parent)
{
endLevel = 0;
if (!SkipLessThanChar(ref text, ref index))
{
return(null);
}
if (text[index] == '/')
{
index++;
if (parent.parent == null)
{
return(null);
}
XmlParent curr = parent;
int skipStringIndex;
do
{
skipStringIndex = index;
if (SkipString(ref text, ref curr.name, ref skipStringIndex) && SkipGreaterThanChar(ref text, ref skipStringIndex))
{
endLevel = curr.level;
break;
}
curr = curr.parent;
}while (curr.parent != null);
index = skipStringIndex;
return(null);
}
string elementName = GetElementName(ref text, ref index);
if (elementName == null)
{
return(null);
}
ICollection <IXmlAttribute> attributes = GetAttributes(ref text, ref index);
if (attributes == null)
{
return(null);
}
uint nextEndLevel;
XmlParent self = new XmlParent(parent.level + 1, elementName, parent);
ICollection <IXmlChild> xmlChilds = Parse(ref text, ref index, out nextEndLevel, self);
if (nextEndLevel <= parent.level)
{
endLevel = nextEndLevel;
}
if (xmlChilds == null)
{
return(null);
}
else
{
return(MyXml.Element(elementName, attributes, xmlChilds));
}
}
public XmlParent(uint level, string name, XmlParent parent)
{
this.level = level;
this.name = name;
this.parent = parent;
}
