public Node(StyleAttributes styleAttributes)
{
firstChild = null;
lastChild = null;
nextSibling = null;
prevSibling = null;
parent_ = null;
upperNode = null;
lowerNode = null;
glyph = null;
namespaceURI = "";
isVisible = true;
isGlyph = false;
skip = false;
literalCaret = 0;
literalStart = 0;
isAppend = false;
fontFamily = "";
tokenType = Tokens.ID;
yOffset = 0;
displayStyle = false;
scriptLevel_ = 0;
style_ = null;
literalText = "";
type_ = null;
attrs = null;
tagDeleted = false;
if (styleAttributes != null)
{
style_ = new StyleAttributes();
styleAttributes.CopyTo(style_);
}
}
public Node ParseMstyle(XmlNode XMLNode, Types mTypes, EntityManager mEntities, bool bAll, StyleAttributes styleAttributes)
{
StyleAttributes s = null;
if ((XMLNode.Attributes == null) || (XMLNode.Attributes.Count <= 0))
{
return(Parse(XMLNode, mTypes, mEntities, bAll, styleAttributes, true));
}
Node node = new Node();
node.type_ = mTypes["mstyle"];
node.attrs = new AttributeList();
for (int i = 0; i < XMLNode.Attributes.Count; i++)
{
node.attrs.Add(new Attribute(XMLNode.Attributes[i].Name, XMLNode.Attributes[i].Value, ""));
}
StyleAttributes fromNode = new StyleAttributes();
s = new StyleAttributes();
fromNode = AttributeBuilder.StyleAttrsFromNode(node, true);
if (fromNode != null)
{
if (styleAttributes != null)
{
node.style_ = new StyleAttributes();
fromNode.CopyTo(node.style_);
node.style_.canOverride = true;
s = node.CascadeOverride(styleAttributes);
}
else
{
fromNode.CopyTo(s);
}
}
else
{
if (styleAttributes != null)
{
styleAttributes.CopyTo(s);
}
}
s.canOverride = true;
XMLNode.Attributes.RemoveAll();
return(Parse(XMLNode, mTypes, mEntities, bAll, s, true));
}
public void SetStyle(StyleAttributes styleAttributes)
{
if (style_ == null)
{
style_ = new StyleAttributes();
}
styleAttributes.CopyTo(style_);
style_.canOverride = true;
if (HasChildren())
{
NodesList list = GetChildrenNodes();
for (Node child = list.Next(); child != null; child = list.Next())
{
if (child.type_.type != ElementType.Entity)
{
child.SetStyle(styleAttributes);
}
}
}
}
public void MeasurePass(Painter g)
{
if (parent_ != null)
{
level = parent_.level + 1;
}
int x = 0;
int y = 0;
bool hasBox = false;
if ((box != null))
{
hasBox = true;
x = box.X;
y = box.Y;
}
if ((((box == null) || ((level < 2))) || ((level == 2))) || ((level > 2)))
{
BoxBuilder.MakeBox(this, g);
}
if ((type_ != null) && (type_.type == ElementType.Math))
{
PushdownStyleScript();
}
if (hasBox)
{
box.X = x;
box.Y = y;
}
NodesList list = GetChildrenNodes();
Node n = list.Next();
if ((style_ != null) && (style_.size.Length > 0))
{
try
{
style_.scale = StyleAttributes.FontScale(style_.size, (double)g.GetSuitableFont(this, style_).SizeInPoints);
style_.size = "";
}
catch
{
}
}
if ((style_ != null))
{
if (type_.type == ElementType.Math)
{
style_.isTop = true;
}
else if (style_.canOverride)
{
style_.isTop = false;
}
}
while (n != null)
{
if (style_ != null)
{
if (((n.style_ != null) && n.style_.canOverride) && n.IsSameStyleParent())
{
n.CombineStyles(n.style_, style_);
}
else if (n.type_.type == ElementType.Entity)
{
n.style_ = null;
}
else
{
try
{
StyleAttributes style = n.CascadeOverride(style_);
if (style != null)
{
if (type_.type == ElementType.Math)
{
style.fontFamily = "";
style.isUnderline = false;
}
n.style_ = new StyleAttributes();
style.CopyTo(n.style_);
if ((style_ != null) && style_.isTop)
{
n.style_.canOverride = false;
}
}
}
catch
{
}
}
}
n.MeasurePass(g);
box.setChildSize(n);
n = list.Next();
}
if (((((level < 2)) || ((level == 2))) || ((level > 2))))
{
box.getSize(this);
}
}
public StyleAttributes CascadeOverride(StyleAttributes baseAttrs)
{
StyleAttributes own = null;
StyleAttributes result = null;
if (baseAttrs != null)
{
result = new StyleAttributes();
baseAttrs.CopyTo(result);
}
own = style_;
if (own != null)
{
if (result == null)
{
result = new StyleAttributes();
own.CopyTo(result);
return(result);
}
if (!own.canOverride)
{
return(result);
}
if (own.displayStyle != DisplayStyle.AUTOMATIC)
{
result.displayStyle = own.displayStyle;
}
if (own.scriptLevel != ScriptLevel.NONE)
{
result.scriptLevel = own.scriptLevel;
}
if (own.hasColor)
{
result.color = own.color;
result.hasColor = true;
}
if (own.hasBackground)
{
result.background = own.background;
result.hasBackground = true;
}
if (own.hasSize)
{
result.scale = own.scale;
result.size = own.size;
result.hasSize = true;
}
if (own.IsStyled)
{
result.isBold = own.isBold;
result.isItalic = own.isItalic;
}
result.isUnderline = false;
if (own.isNormal)
{
result.isNormal = true;
}
if (own.isScript)
{
result.isScript = true;
}
if (own.isSans)
{
result.isSans = true;
}
if (own.isFractur)
{
result.isFractur = true;
}
if (own.isDoubleStruck)
{
result.isDoubleStruck = true;
}
if (own.isMonospace)
{
result.isMonospace = true;
}
}
return(result);
}
public StyleAttributes ParseMStyle(XmlNode xmlNode, StyleAttributes baseStyle)
{
bool hasStyleAttrs = false;
bool hasColor = false;
bool hasBackground = false;
bool hasMathsize = false;
bool hasVariant = false;
StyleAttributes r = null;
int count = 0;
if (((xmlNode != null) &&
(((xmlNode.Name == "mi") || (xmlNode.Name == "mo")) ||
(((xmlNode.Name == "mn") || (xmlNode.Name == "ms")) || (xmlNode.Name == "mtext")))) &&
(xmlNode.Attributes != null))
{
try
{
count = xmlNode.Attributes.Count;
for (int i = 0; i < count; i++)
{
string name = xmlNode.Attributes[i].Name.Trim().ToLower();
if (((name == "mathvariant") || (name == "mathcolor")) ||
((name == "mathbackground") || (name == "mathsize")))
{
hasStyleAttrs = true;
}
if (name == "mathvariant")
{
hasVariant = true;
}
if (name == "mathcolor")
{
hasColor = true;
}
if (name == "mathbackground")
{
hasBackground = true;
}
if (name == "mathsize")
{
hasMathsize = true;
}
}
}
catch
{
}
}
if (hasStyleAttrs)
{
try
{
Node n = new Node();
n.attrs = new AttributeList();
for (int i = 0; i < count; i++)
{
n.attrs.Add(new Attribute(xmlNode.Attributes[i].Name, xmlNode.Attributes[i].Value, ""));
}
StyleAttributes nodeStyleAttrs = AttributeBuilder.StyleAttrsFromNode(n);
if (nodeStyleAttrs != null)
{
nodeStyleAttrs.canOverride = true;
r = new StyleAttributes();
if (baseStyle != null)
{
n.style_ = new StyleAttributes();
nodeStyleAttrs.CopyTo(n.style_);
r = n.CascadeOverride(baseStyle);
}
else
{
nodeStyleAttrs.CopyTo(r);
}
r.canOverride = true;
}
if (hasMathsize)
{
xmlNode.Attributes.RemoveNamedItem("mathsize", "");
}
if (hasVariant)
{
xmlNode.Attributes.RemoveNamedItem("mathvariant", "");
}
if (hasColor)
{
xmlNode.Attributes.RemoveNamedItem("mathcolor", "");
}
if (hasBackground)
{
xmlNode.Attributes.RemoveNamedItem("mathbackground", "");
}
}
catch
{
}
}
return(r);
}
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);
}
