protected override void ShallowCopyFrom(XObject copyFrom)
{
base.ShallowCopyFrom(copyFrom);
XDocType copyFromDT = (XDocType)copyFrom;
//immutable types
RootElement = copyFromDT.RootElement;
PublicFpi = copyFromDT.PublicFpi;
InternalDeclarationRegion = copyFromDT.InternalDeclarationRegion;
Uri = copyFromDT.Uri;
}
void CreateDocType ()
{
DocType = new XDocType (TextLocation.Empty);
var matches = DocTypeRegex.Match (razorDocument.PageInfo.DocType);
if (matches.Success) {
DocType.PublicFpi = matches.Groups ["fpi"].Value;
DocType.Uri = matches.Groups ["uri"].Value;
}
}
void HandleDocType (XDocType docType)
{
DocType = "<!DOCTYPE html";
if (!string.IsNullOrEmpty (docType.PublicFpi))
DocType += " \"" + docType.PublicFpi + "\"";
if (!string.IsNullOrEmpty (docType.Uri))
DocType += " \"" + docType.Uri + "\"";
DocType += ">";
}
public override XmlParserState PushChar (char c, IXmlParserContext context, ref string rollback)
{
var doc = context.Nodes.Peek () as XDocType;
if (doc == null) {
doc = new XDocType (context.LocationMinus ("<!DOCTYPE".Length + 1));
context.Nodes.Push (doc);
}
if (!doc.RootElement.IsValid) {
if (XmlChar.IsWhitespace (c))
return null;
else if (XmlChar.IsFirstNameChar (c)) {
rollback = "";
return nameState;
}
}
else if (doc.PublicFpi == null) {
if (context.StateTag == 0) {
if (c == 's' || c == 'S') {
context.StateTag = 1;
return null;
} else if (c == 'p' || c == 'P') {
context.StateTag = -1;
return null;
} if (XmlChar.IsWhitespace (c)) {
return null;
}
} else if (Math.Abs (context.StateTag) < 6) {
if (context.StateTag > 0) {
if ("YSTEM"[context.StateTag - 1] == c || "ystem"[context.StateTag - 1] == c) {
context.StateTag++;
if (context.StateTag == 6) {
context.StateTag = 0;
doc.PublicFpi = "";
}
return null;
}
} else {
int absState = Math.Abs (context.StateTag) - 1;
if ("UBLIC"[absState] == c || "ublic"[absState] == c) {
context.StateTag--;
return null;
}
}
} else {
if (context.KeywordBuilder.Length == 0) {
if (XmlChar.IsWhitespace (c))
return null;
else if (c == '"') {
context.KeywordBuilder.Append (c);
return null;
}
} else {
if (c == '"') {
context.KeywordBuilder.Remove (0,1);
doc.PublicFpi = context.KeywordBuilder.ToString ();
context.KeywordBuilder.Length = 0;
context.StateTag = 0;
} else {
context.KeywordBuilder.Append (c);
}
return null;
}
}
}
else if (doc.Uri == null) {
if (context.KeywordBuilder.Length == 0) {
if (XmlChar.IsWhitespace (c))
return null;
else if (c == '"') {
context.KeywordBuilder.Append (c);
return null;
}
} else {
if (c == '"') {
context.KeywordBuilder.Remove (0,1);
doc.Uri = context.KeywordBuilder.ToString ();
context.KeywordBuilder.Length = 0;
} else {
context.KeywordBuilder.Append (c);
}
return null;
}
}
else if (doc.InternalDeclarationRegion.EndLine <= 0) {
if (XmlChar.IsWhitespace (c))
return null;
switch (context.StateTag) {
case 0:
if (c == '[') {
doc.InternalDeclarationRegion = new DocumentRegion (context.Location, DocumentLocation.Empty);
context.StateTag = 1;
return null;
}
break;
case 1:
if (c == '<') {
context.StateTag = 2;
return null;
} else if (c == ']') {
context.StateTag = 0;
doc.InternalDeclarationRegion = new DocumentRegion (doc.InternalDeclarationRegion.Begin, context.Location);
return null;
}
break;
case 2:
if (c == '>') {
context.StateTag = 1;
}
return null;
default:
throw new InvalidOperationException ();
}
}
doc = (XDocType)context.Nodes.Pop ();
if (c == '<') {
rollback = string.Empty;
context.LogError ("Doctype ended prematurely.");
} else if (c != '>') {
context.LogError ("Unexpected character '" + c +"' in doctype.");
}
if (context.BuildTree) {
doc.End (context.Location);
((XContainer) context.Nodes.Peek ()).AddChildNode (doc);
}
return Parent;
}