public void CopyTo(AttributeList list)
{
if (list == null)
{
list = new AttributeList();
}
this.Reset();
for (Attribute attribute = this.Next(); attribute != null; attribute = this.Next())
{
Attribute a = new Attribute(attribute.name, attribute.val, attribute.ns, attribute.system);
list.Add(a);
}
this.Reset();
list.Reset();
}
public void CopyTo(AttributeList list)
{
if (list == null)
{
list = new AttributeList();
}
this.Reset();
for (Attribute attribute = this.Next(); attribute != null; attribute = this.Next())
{
Attribute a = new Attribute(attribute.name, attribute.val, attribute.ns, attribute.system);
list.Add(a);
}
this.Reset();
list.Reset();
}
public Node Parse(XmlNode XMLNode, Types mTypes, EntityManager mEntities, bool recurse, StyleAttributes styleAttributes, bool bParentShift)
{
bool hasSelect = false;
bool hasSelectRight = false;
Node result = null;
if (!bParentShift)
{
xmlTagName = XMLNode.LocalName;
namespaceURI = XMLNode.NamespaceURI;
}
int numAttrs = 0;
if ((recurse && (XMLNode.Attributes != null)) && !bParentShift)
{
StyleAttributes attributes = ParseMStyle(XMLNode, style_);
if (attributes != null)
{
if (style_ == null)
{
style_ = new StyleAttributes();
}
attributes.CopyTo(style_);
}
numAttrs = XMLNode.Attributes.Count;
if (numAttrs > 0)
{
if (attrs == null)
{
attrs = new AttributeList();
}
for (int i = 0; i < numAttrs; i++)
{
if (XMLNode.Attributes[i].Name == "nugenCursor")
{
result = this;
hasSelect = true;
}
else if (XMLNode.Attributes[i].Name == "nugenCursorEnd")
{
result = this;
result.IsAppend = true;
hasSelectRight = true;
}
else
{
attrs.Add(new Attribute(XMLNode.Attributes[i].Name, XMLNode.Attributes[i].Value, XMLNode.Attributes[i].NamespaceURI));
}
}
if (hasSelect)
{
XMLNode.Attributes.RemoveNamedItem("nugenCursor");
}
if (hasSelectRight)
{
XMLNode.Attributes.RemoveNamedItem("nugenCursorEnd");
}
}
}
if ((XMLNode.NodeType == XmlNodeType.Element) && !bParentShift)
{
if (type_ == null)
{
type_ = mTypes[xmlTagName];
}
if ((hasSelect && (type_.type == ElementType.Mi)) &&
(literalText != null))
{
InternalMark = literalText.Length;
}
}
if (recurse && XMLNode.HasChildNodes)
{
XmlNodeList list = XMLNode.ChildNodes;
for (int i = 0; i < list.Count; i++)
{
if (list[i].NodeType == XmlNodeType.Text)
{
if ((type_.type == ElementType.Mtext) || (type_.type == ElementType.Ms))
{
literalText += list[i].Value;
continue;
}
if (type_.type == ElementType.Mn)
{
literalText += list[i].Value.Trim();
continue;
}
if (type_.type == ElementType.Mi)
{
literalText += list[i].Value.Trim();
continue;
}
if (type_.type != ElementType.Mo)
{
continue;
}
string entityChar = list[i].Value.Trim();
bool isGlyph = false;
try
{
Glyph glyph;
if (!(((((entityChar != "(") && (entityChar != ")")) && ((entityChar != "[") && (entityChar != "]"))) &&
(((entityChar != "{") && (entityChar != "}")) && ((entityChar != "|") && (entityChar != "||")))) &&
(((entityChar != "+") && (entityChar != "-")) && ((entityChar != "=") && (entityChar != "/")))))
{
string entityName = "";
switch (entityChar)
{
case "(":
{
entityName = "lpar";
break;
}
case ")":
{
entityName = "rpar";
break;
}
case "[":
{
entityName = "lbrack";
break;
}
case "]":
{
entityName = "rbrack";
break;
}
case "{":
{
entityName = "lbrace";
break;
}
case "}":
{
entityName = "rbrace";
break;
}
case "|":
{
entityName = "verbar";
break;
}
case "||":
{
entityName = "Verbar";
break;
}
case "+":
{
entityName = "plus";
break;
}
case "-":
{
entityName = "minus";
break;
}
case "=":
{
entityName = "equals";
break;
}
case "/":
{
entityName = "sol";
break;
}
}
glyph = mEntities.ByName(entityName);
if (glyph != null)
{
Node glyphNode = new Node();
glyphNode.type_ = mTypes["entity"];
glyphNode.literalText = "" + glyph.CharValue;
glyphNode.fontFamily = glyph.FontFamily;
glyphNode.glyph = glyph;
glyphNode.xmlTagName = glyph.Name;
AdoptChild(glyphNode);
isGlyph = true;
}
}
}
catch
{
}
if (!isGlyph)
{
literalText += entityChar;
}
continue;
}
if (list[i].NodeType == XmlNodeType.SignificantWhitespace)
{
continue;
}
if (list[i].NodeType == XmlNodeType.Whitespace)
{
if ((type_.type == ElementType.Mtext) || (type_.type == ElementType.Ms))
{
literalText += " ";
}
continue;
}
if (list[i].NodeType == XmlNodeType.Element)
{
if ((list[i].NamespaceURI == "http://www.w3.org/1998/Math/MathML") && (list[i].LocalName == "mstyle"))
{
Node mstyl = ParseMstyle(list[i], mTypes, mEntities, recurse, styleAttributes);
if (mstyl != null)
{
result = mstyl;
}
}
else
{
Node n = new Node(XMLNode.Name, styleAttributes);
n.type_ = mTypes[list[i].LocalName];
if (AdoptChild(n))
{
Node sn = n.Parse(list[i], mTypes, mEntities, recurse, styleAttributes, false);
if (sn != null)
{
result = sn;
}
}
}
continue;
}
if (list[i].NodeType == XmlNodeType.EntityReference)
{
Node n = new Node();
n.type_ = mTypes["entity"];
if ((type_.type == ElementType.Mtext) ||
(type_.type == ElementType.Ms))
{
Glyph glyph = mEntities.ByName(list[i].LocalName);
if (glyph != null)
{
char c = Convert.ToChar(Convert.ToUInt32(glyph.Code, 0x10));
if (char.IsWhiteSpace(c) || char.IsControl(c))
{
literalText = literalText + " ";
}
else
{
literalText = literalText + c;
}
}
}
else
{
try
{
Glyph glyph = mEntities.ByName(list[i].LocalName);
if (glyph != null)
{
n.literalText = "";
n.literalText = n.literalText + glyph.CharValue;
n.fontFamily = glyph.FontFamily;
n.glyph = glyph;
n.xmlTagName = list[i].LocalName;
}
else
{
n.literalText = "?";
n.xmlTagName = list[i].LocalName;
}
AdoptChild(n);
}
catch
{
n.literalText = "?";
n.xmlTagName = list[i].LocalName;
AdoptChild(n);
}
}
}
}
}
return(result);
}
private AttributeList ParseAttributes(Stream stream)
{
var attributes = new AttributeList(_host);
var open = stream.Next();
Token token = null;
//expecting identifier
while (stream.Peek() != null)
{
token = stream.Peek();
if (token == null)
{
break;
}
switch (token.Type)
{
case TokenType.Identifier:
attributes.Add(ParseAttribute(stream));
break;
case TokenType.CloseBracket:
//consume close bracket
stream.NextNoReturn();
goto doneWithAttribute;
default:
//invalid token
throw new ParserException(token);
}
}
doneWithAttribute:
if (attributes.Count == 0)
{
//must be empty attribute list
throw new ParserException(token);
}
//do reduction here
return attributes;
}
public Node Parse(XmlNode XMLNode, Types mTypes, EntityManager mEntities, bool recurse, StyleAttributes styleAttributes, bool bParentShift)
{
bool hasSelect = false;
bool hasSelectRight = false;
Node result = null;
if (!bParentShift)
{
xmlTagName = XMLNode.LocalName;
namespaceURI = XMLNode.NamespaceURI;
}
int numAttrs = 0;
if ((recurse && (XMLNode.Attributes != null)) && !bParentShift)
{
StyleAttributes attributes = ParseMStyle(XMLNode, style_);
if (attributes != null)
{
if (style_ == null)
{
style_ = new StyleAttributes();
}
attributes.CopyTo(style_);
}
numAttrs = XMLNode.Attributes.Count;
if (numAttrs > 0)
{
if (attrs == null)
{
attrs = new AttributeList();
}
for (int i = 0; i < numAttrs; i++)
{
if (XMLNode.Attributes[i].Name == "nugenCursor")
{
result = this;
hasSelect = true;
}
else if (XMLNode.Attributes[i].Name == "nugenCursorEnd")
{
result = this;
result.IsAppend = true;
hasSelectRight = true;
}
else
{
attrs.Add(new Attribute(XMLNode.Attributes[i].Name, XMLNode.Attributes[i].Value, XMLNode.Attributes[i].NamespaceURI));
}
}
if (hasSelect)
{
XMLNode.Attributes.RemoveNamedItem("nugenCursor");
}
if (hasSelectRight)
{
XMLNode.Attributes.RemoveNamedItem("nugenCursorEnd");
}
}
}
if ((XMLNode.NodeType == XmlNodeType.Element) && !bParentShift)
{
if (type_ == null)
{
type_ = mTypes[xmlTagName];
}
if ((hasSelect && (type_.type == ElementType.Mi)) &&
(literalText != null))
{
InternalMark = literalText.Length;
}
}
if (recurse && XMLNode.HasChildNodes)
{
XmlNodeList list = XMLNode.ChildNodes;
for (int i = 0; i < list.Count; i++)
{
if (list[i].NodeType == XmlNodeType.Text)
{
if ((type_.type == ElementType.Mtext) || (type_.type == ElementType.Ms))
{
literalText += list[i].Value;
continue;
}
if (type_.type == ElementType.Mn)
{
literalText += list[i].Value.Trim();
continue;
}
if (type_.type == ElementType.Mi)
{
literalText += list[i].Value.Trim();
continue;
}
if (type_.type != ElementType.Mo)
{
continue;
}
string entityChar = list[i].Value.Trim();
bool isGlyph = false;
try
{
Glyph glyph;
if (! (((((entityChar != "(") && (entityChar != ")")) && ((entityChar != "[") && (entityChar != "]"))) &&
(((entityChar != "{") && (entityChar != "}")) && ((entityChar != "|") && (entityChar != "||")))) &&
(((entityChar != "+") && (entityChar != "-")) && ((entityChar != "=") && (entityChar != "/")))))
{
string entityName = "";
switch (entityChar)
{
case "(":
{
entityName = "lpar";
break;
}
case ")":
{
entityName = "rpar";
break;
}
case "[":
{
entityName = "lbrack";
break;
}
case "]":
{
entityName = "rbrack";
break;
}
case "{":
{
entityName = "lbrace";
break;
}
case "}":
{
entityName = "rbrace";
break;
}
case "|":
{
entityName = "verbar";
break;
}
case "||":
{
entityName = "Verbar";
break;
}
case "+":
{
entityName = "plus";
break;
}
case "-":
{
entityName = "minus";
break;
}
case "=":
{
entityName = "equals";
break;
}
case "/":
{
entityName = "sol";
break;
}
}
glyph = mEntities.ByName(entityName);
if (glyph != null)
{
Node glyphNode = new Node();
glyphNode.type_ = mTypes["entity"];
glyphNode.literalText = "" + glyph.CharValue;
glyphNode.fontFamily = glyph.FontFamily;
glyphNode.glyph = glyph;
glyphNode.xmlTagName = glyph.Name;
AdoptChild(glyphNode);
isGlyph = true;
}
}
}
catch
{
}
if (!isGlyph)
{
literalText += entityChar;
}
continue;
}
if (list[i].NodeType == XmlNodeType.SignificantWhitespace)
{
continue;
}
if (list[i].NodeType == XmlNodeType.Whitespace)
{
if ((type_.type == ElementType.Mtext) || (type_.type == ElementType.Ms))
{
literalText += " ";
}
continue;
}
if (list[i].NodeType == XmlNodeType.Element)
{
if ((list[i].NamespaceURI == "http://www.w3.org/1998/Math/MathML") && (list[i].LocalName == "mstyle"))
{
Node mstyl = ParseMstyle(list[i], mTypes, mEntities, recurse, styleAttributes);
if (mstyl != null)
{
result = mstyl;
}
}
else
{
Node n = new Node(XMLNode.Name, styleAttributes);
n.type_ = mTypes[list[i].LocalName];
if (AdoptChild(n))
{
Node sn = n.Parse(list[i], mTypes, mEntities, recurse, styleAttributes, false);
if (sn != null)
{
result = sn;
}
}
}
continue;
}
if (list[i].NodeType == XmlNodeType.EntityReference)
{
Node n = new Node();
n.type_ = mTypes["entity"];
if ((type_.type == ElementType.Mtext) ||
(type_.type == ElementType.Ms))
{
Glyph glyph = mEntities.ByName(list[i].LocalName);
if (glyph != null)
{
char c = Convert.ToChar(Convert.ToUInt32(glyph.Code, 0x10));
if (char.IsWhiteSpace(c) || char.IsControl(c))
{
literalText = literalText + " ";
}
else
{
literalText = literalText + c;
}
}
}
else
{
try
{
Glyph glyph = mEntities.ByName(list[i].LocalName);
if (glyph != null)
{
n.literalText = "";
n.literalText = n.literalText + glyph.CharValue;
n.fontFamily = glyph.FontFamily;
n.glyph = glyph;
n.xmlTagName = list[i].LocalName;
}
else
{
n.literalText = "?";
n.xmlTagName = list[i].LocalName;
}
AdoptChild(n);
}
catch
{
n.literalText = "?";
n.xmlTagName = list[i].LocalName;
AdoptChild(n);
}
}
}
}
}
return result;
}