public virtual void RemoveAttribute(string name)
{
if (Adaptee == null)
{
return;
}
AttVal att = Adaptee.Attributes;
AttVal pre = null;
while (att != null)
{
if (att.Attribute.Equals(name))
{
break;
}
pre = att;
att = att.Next;
}
if (att != null)
{
if (pre == null)
{
Adaptee.Attributes = att.Next;
}
else
{
pre.Next = att.Next;
}
}
}
public object Clone()
{
var av = new AttVal();
if (Next != null)
{
av.Next = (AttVal)Next.Clone();
}
if (Attribute != null)
{
av.Attribute = Attribute;
}
if (Val != null)
{
av.Val = Val;
}
av.Delim = Delim;
if (Asp != null)
{
av.Asp = (Node)Asp.Clone();
}
if (Php != null)
{
av.Php = (Node)Php.Clone();
}
av.Dict = AttributeTable.DefaultAttributeTable.FindAttribute(this);
return(av);
}
public virtual void Check(Lexer lexer, Node node)
{
node.CheckUniqueAttributes(lexer);
AttVal lang = node.GetAttrByName("language");
AttVal type = node.GetAttrByName("type");
if (type == null)
{
Report.AttrError(lexer, node, "type", Report.MISSING_ATTRIBUTE);
/* check for javascript */
if (lang != null)
{
string str = lang.Val;
if (str.Length > 10)
{
str = str.Substring(0, 10);
}
if ((String.CompareOrdinal(str, "javascript") == 0) || (String.CompareOrdinal(str, "jscript") == 0))
{
node.AddAttribute("type", "text/javascript");
}
}
else
{
node.AddAttribute("type", "text/javascript");
}
}
}
public virtual IAttr CreateAttribute(string name)
{
var av = new AttVal(null, null, '"', name, null);
av.Dict = AttributeTable.DefaultAttributeTable.FindAttribute(av);
return(av.Adapter);
}
public virtual void Check(Lexer lexer, Node node, AttVal attval)
{
string val = attval.Val;
if (val == null)
{
Report.AttrError(lexer, node, attval.Attribute, Report.MISSING_ATTR_VALUE);
}
else if (String.CompareOrdinal(val, "top") == 0 || String.CompareOrdinal(val, "middle") == 0 ||
String.CompareOrdinal(val, "bottom") == 0 || String.CompareOrdinal(val, "baseline") == 0)
{
/* all is fine */
}
else if (String.CompareOrdinal(val, "left") == 0 || String.CompareOrdinal(val, "right") == 0)
{
if (!(node.Tag != null && ((node.Tag.Model & ContentModel.IMG) != 0)))
{
Report.AttrError(lexer, node, val, Report.BAD_ATTRIBUTE_VALUE);
}
}
else if (String.CompareOrdinal(val, "texttop") == 0 || String.CompareOrdinal(val, "absmiddle") == 0 ||
String.CompareOrdinal(val, "absbottom") == 0 || String.CompareOrdinal(val, "textbottom") == 0)
{
lexer.Versions &= HtmlVersion.Proprietary;
Report.AttrError(lexer, node, val, Report.PROPRIETARY_ATTR_VALUE);
}
else
{
Report.AttrError(lexer, node, val, Report.BAD_ATTRIBUTE_VALUE);
}
}
/* remove attribute from node then free it */
public virtual void RemoveAttribute(AttVal attr)
{
AttVal av;
AttVal prev = null;
AttVal next;
for (av = Attributes; av != null; av = next)
{
next = av.Next;
if (av == attr)
{
if (prev != null)
{
prev.Next = next;
}
else
{
Attributes = next;
}
}
else
{
prev = av;
}
}
}
public virtual void Check(Lexer lexer, Node node, AttVal attval)
{
string val = attval.Val;
if (val == null)
{
Report.AttrError(lexer, node, attval.Attribute, Report.MISSING_ATTR_VALUE);
}
else if (String.CompareOrdinal(val, "top") == 0 || String.CompareOrdinal(val, "middle") == 0 ||
String.CompareOrdinal(val, "bottom") == 0 || String.CompareOrdinal(val, "baseline") == 0)
{
/* all is fine */
}
else if (String.CompareOrdinal(val, "left") == 0 || String.CompareOrdinal(val, "right") == 0)
{
if (!(node.Tag != null && ((node.Tag.Model & ContentModel.IMG) != 0)))
{
Report.AttrError(lexer, node, val, Report.BAD_ATTRIBUTE_VALUE);
}
}
else if (String.CompareOrdinal(val, "texttop") == 0 || String.CompareOrdinal(val, "absmiddle") == 0 ||
String.CompareOrdinal(val, "absbottom") == 0 || String.CompareOrdinal(val, "textbottom") == 0)
{
lexer.Versions &= HtmlVersion.Proprietary;
Report.AttrError(lexer, node, val, Report.PROPRIETARY_ATTR_VALUE);
}
else
{
Report.AttrError(lexer, node, val, Report.BAD_ATTRIBUTE_VALUE);
}
}
public AttVal(AttVal next, Attribute dict, int delim, string attribute, string val)
{
Next = next;
_dict = dict;
_asp = null;
Php = null;
Delim = delim;
Attribute = attribute;
Val = val;
}
public AttVal(AttVal next, Attribute dict, Node asp, Node php, int delim, string attribute, string val)
{
Next = next;
_dict = dict;
_asp = asp;
Php = php;
Delim = delim;
Attribute = attribute;
Val = val;
}
public AttVal(AttVal next, Attribute dict, Node asp, Node php, int delim, string attribute, string val)
{
Next = next;
_dict = dict;
_asp = asp;
Php = php;
Delim = delim;
Attribute = attribute;
Val = val;
}
public AttVal(AttVal next, Attribute dict, int delim, string attribute, string val)
{
Next = next;
_dict = dict;
_asp = null;
Php = null;
Delim = delim;
Attribute = attribute;
Val = val;
}
public virtual Attribute FindAttribute(AttVal attval)
{
if (attval.Attribute != null)
{
Attribute np = Lookup(attval.Attribute);
return(np);
}
return(null);
}
public virtual INode GetNamedItem(string name)
{
AttVal att = _first;
while (att != null)
{
if (att.Attribute.Equals(name))
{
break;
}
att = att.Next;
}
return(att != null ? att.Adapter : null);
}
public virtual INode Item(int index)
{
int i = 0;
AttVal att = _first;
while (att != null)
{
if (i >= index)
{
break;
}
i++;
att = att.Next;
}
return(att != null ? att.Adapter : null);
}
public virtual IAttr SetAttributeNode(IAttr newAttr)
{
if (newAttr == null)
{
return(null);
}
if (!(newAttr is DomAttrImpl))
{
throw new DomException(DomException.WRONG_DOCUMENT, "newAttr not instanceof DomAttrImpl");
}
var newatt = (DomAttrImpl)newAttr;
string name = newatt.AttValAdaptee.Attribute;
IAttr result = null;
AttVal att = Adaptee.Attributes;
while (att != null)
{
if (att.Attribute.Equals(name))
{
break;
}
att = att.Next;
}
if (att != null)
{
result = att.Adapter;
att.Adapter = newAttr;
}
else
{
if (Adaptee.Attributes == null)
{
Adaptee.Attributes = newatt.AttValAdaptee;
}
else
{
newatt.AttValAdaptee.Next = Adaptee.Attributes;
Adaptee.Attributes = newatt.AttValAdaptee;
}
}
return(result);
}
public static void AddClass(Node node, string classname)
{
AttVal classattr = node.GetAttrByName("class");
/*
* if there already is a class attribute
* then append class name after a space
*/
if (classattr != null)
{
classattr.Val = classattr.Val + " " + classname;
}
/* create new class attribute */
else
{
node.AddAttribute("class", classname);
}
}
public virtual IAttr GetAttributeNode(string name)
{
if (Adaptee == null)
{
return(null);
}
AttVal att = Adaptee.Attributes;
while (att != null)
{
if (att.Attribute.Equals(name))
{
break;
}
att = att.Next;
}
return(att != null ? att.Adapter : null);
}
public virtual string GetAttribute(string name)
{
if (Adaptee == null)
{
return(null);
}
AttVal att = Adaptee.Attributes;
while (att != null)
{
if (att.Attribute.Equals(name))
{
break;
}
att = att.Next;
}
return(att != null ? att.Val : String.Empty);
}
public virtual void Check(Lexer lexer, Node node, AttVal attval)
{
/* IMG, OBJECT, APPLET and EMBED use align for vertical position */
if (node.Tag != null && ((node.Tag.Model & ContentModel.IMG) != 0))
{
AttrCheckImpl.CheckValign.Check(lexer, node, attval);
return;
}
string val = attval.Val;
if (val == null)
{
Report.AttrError(lexer, node, attval.Attribute, Report.MISSING_ATTR_VALUE);
}
else if (
!(String.CompareOrdinal(val, "left") == 0 || String.CompareOrdinal(val, "center") == 0 ||
String.CompareOrdinal(val, "right") == 0 || String.CompareOrdinal(val, "justify") == 0))
{
Report.AttrError(lexer, node, attval.Val, Report.BAD_ATTRIBUTE_VALUE);
}
}
public virtual void Check(Lexer lexer, Node node, AttVal attval)
{
/* IMG, OBJECT, APPLET and EMBED use align for vertical position */
if (node.Tag != null && ((node.Tag.Model & ContentModel.IMG) != 0))
{
AttrCheckImpl.CheckValign.Check(lexer, node, attval);
return;
}
string val = attval.Val;
if (val == null)
{
Report.AttrError(lexer, node, attval.Attribute, Report.MISSING_ATTR_VALUE);
}
else if (
!(String.CompareOrdinal(val, "left") == 0 || String.CompareOrdinal(val, "center") == 0 ||
String.CompareOrdinal(val, "right") == 0 || String.CompareOrdinal(val, "justify") == 0))
{
Report.AttrError(lexer, node, attval.Val, Report.BAD_ATTRIBUTE_VALUE);
}
}
public virtual IAttr RemoveAttributeNode(IAttr oldAttr)
{
if (oldAttr == null)
{
return(null);
}
IAttr result;
AttVal att = Adaptee.Attributes;
AttVal pre = null;
while (att != null)
{
if (att.Adapter == oldAttr)
{
break;
}
pre = att;
att = att.Next;
}
if (att != null)
{
if (pre == null)
{
Adaptee.Attributes = att.Next;
}
else
{
pre.Next = att.Next;
}
result = oldAttr;
}
else
{
throw new DomException(DomException.NOT_FOUND, "oldAttr not found");
}
return(result);
}
public virtual void AddAttribute(string name, string val)
{
var av = new AttVal(null, null, null, null, '"', name, val);
av.Dict = AttributeTable.DefaultAttributeTable.FindAttribute(av);
if (Attributes == null)
{
Attributes = av;
/* append to end of attributes */
}
else
{
AttVal here = Attributes;
while (here.Next != null)
{
here = here.Next;
}
here.Next = av;
}
}
public virtual void SetAttribute(string name, string val)
{
if (Adaptee == null)
{
return;
}
AttVal att = Adaptee.Attributes;
while (att != null)
{
if (att.Attribute.Equals(name))
{
break;
}
att = att.Next;
}
if (att != null)
{
att.Val = val;
}
else
{
att = new AttVal(null, null, '"', name, val);
att.Dict = AttributeTable.DefaultAttributeTable.FindAttribute(att);
if (Adaptee.Attributes == null)
{
Adaptee.Attributes = att;
}
else
{
att.Next = Adaptee.Attributes;
Adaptee.Attributes = att;
}
}
}
protected internal DomAttrImpl(AttVal adaptee)
: base(null)
{
_attValAdaptee = adaptee;
}
public virtual IAttr CreateAttribute(string name)
{
var av = new AttVal(null, null, '"', name, null);
av.Dict = AttributeTable.DefaultAttributeTable.FindAttribute(av);
return av.Adapter;
}
public virtual AttVal CloneAttributes(AttVal attrs)
{
var cattrs = (AttVal) attrs.Clone();
for (AttVal att = cattrs; att != null; att = att.Next)
{
if (att.Asp != null)
_nodeList.Add(att.Asp);
if (att.Php != null)
_nodeList.Add(att.Php);
}
return cattrs;
}
public virtual void FixHtmlNameSpace(Node root, string profile)
{
Node node;
//TODO:odd!
for (node = root.Content; node != null && node.Tag != Options.TagTable.TagHtml; node = node.Next)
{
}
if (node != null)
{
AttVal attr;
for (attr = node.Attributes; attr != null; attr = attr.Next)
{
if (attr.Attribute.Equals("xmlns"))
{
break;
}
}
if (attr != null)
{
if (!attr.Val.Equals(profile))
{
Report.Warning(this, node, null, Report.INCONSISTENT_NAMESPACE);
attr.Val = profile;
}
}
else
{
attr = new AttVal(node.Attributes, null, '"', "xmlns", profile);
attr.Dict = AttributeTable.DefaultAttributeTable.FindAttribute(attr);
node.Attributes = attr;
}
}
}
public virtual Attribute FindAttribute(AttVal attval)
{
if (attval.Attribute != null)
{
Attribute np = Lookup(attval.Attribute);
return np;
}
return null;
}
public object Clone()
{
var av = new AttVal();
if (Next != null)
{
av.Next = (AttVal) Next.Clone();
}
if (Attribute != null)
{
av.Attribute = Attribute;
}
if (Val != null)
{
av.Val = Val;
}
av.Delim = Delim;
if (Asp != null)
{
av.Asp = (Node) Asp.Clone();
}
if (Php != null)
{
av.Php = (Node) Php.Clone();
}
av.Dict = AttributeTable.DefaultAttributeTable.FindAttribute(this);
return av;
}
protected internal DomAttrMapImpl(AttVal first)
{
_first = first;
}
private void MergeStyles(Node node, Node child)
{
AttVal av;
string s1, s2;
for (s2 = null, av = child.Attributes; av != null; av = av.Next)
{
if (av.Attribute.Equals("style"))
{
s2 = av.Val;
break;
}
}
for (s1 = null, av = node.Attributes; av != null; av = av.Next)
{
if (av.Attribute.Equals("style"))
{
s1 = av.Val;
break;
}
}
if (s1 != null)
{
if (s2 != null)
{
/* merge styles from both */
string style = MergeProperties(s1, s2);
av.Val = style;
}
}
else if (s2 != null)
{
/* copy style of child */
av = new AttVal(node.Attributes, null, '"', "style", s2);
av.Dict = AttributeTable.DefaultAttributeTable.FindAttribute(av);
node.Attributes = av;
}
}
/*
add style properties to node corresponding to
the font face, size and color attributes
*/
private void AddFontStyles(Node node, AttVal av)
{
while (av != null)
{
if (av.Attribute.Equals("face"))
{
AddFontFace(node, av.Val);
}
else if (av.Attribute.Equals("size"))
{
AddFontSize(node, av.Val);
}
else if (av.Attribute.Equals("color"))
{
AddFontColor(node, av.Val);
}
av = av.Next;
}
}
/*
Add style property to element, creating style
attribute as needed and adding ; delimiter
*/
private void AddStyleProperty(Node node, string property)
{
AttVal av;
for (av = node.Attributes; av != null; av = av.Next)
{
if (av.Attribute.Equals("style"))
{
break;
}
}
/* if style attribute already exists then insert property */
if (av != null)
{
string s = AddProperty(av.Val, property);
av.Val = s;
}
else
{
/* else create new style attribute */
av = new AttVal(node.Attributes, null, '"', "style", property);
av.Dict = AttributeTable.DefaultAttributeTable.FindAttribute(av);
node.Attributes = av;
}
}
public virtual void SetAttribute(string name, string val)
{
if (Adaptee == null)
{
return;
}
AttVal att = Adaptee.Attributes;
while (att != null)
{
if (att.Attribute.Equals(name))
{
break;
}
att = att.Next;
}
if (att != null)
{
att.Val = val;
}
else
{
att = new AttVal(null, null, '"', name, val);
att.Dict = AttributeTable.DefaultAttributeTable.FindAttribute(att);
if (Adaptee.Attributes == null)
{
Adaptee.Attributes = att;
}
else
{
att.Next = Adaptee.Attributes;
Adaptee.Attributes = att;
}
}
}
protected internal DomAttrImpl(AttVal adaptee) : base(null)
{
_attValAdaptee = adaptee;
}
private void PrintAttrs(Out fout, int indent, Node node, AttVal attr)
{
if (attr != null)
{
if (attr.Next != null)
{
PrintAttrs(fout, indent, node, attr.Next);
}
if (attr.Attribute != null)
{
PrintAttribute(fout, indent, node, attr);
}
else if (attr.Asp != null)
{
AddC(' ', _linelen++);
PrintAsp(fout, indent, attr.Asp);
}
else if (attr.Php != null)
{
AddC(' ', _linelen++);
PrintPhp(fout, indent, attr.Php);
}
}
/* add xml:space attribute to pre and other elements */
if (_options.XmlOut && _options.XmlSpace && ParserImpl.XmlPreserveWhiteSpace(node, _options.TagTable) &&
node.GetAttrByName("xml:space") == null)
{
PrintString(" xml:space=\"preserve\"");
}
}
private void PrintAttribute(Out fout, int indent, Node node, AttVal attr)
{
bool wrappable = false;
if (_options.IndentAttributes)
{
FlushLine(fout, indent);
indent += _options.Spaces;
}
string name = attr.Attribute;
if (indent + _linelen >= _options.WrapLen)
{
WrapLine(fout, indent);
}
if (!_options.XmlTags && !_options.XmlOut && attr.Dict != null)
{
if (AttributeTable.DefaultAttributeTable.IsScript(name))
{
wrappable = _options.WrapScriptlets;
}
else if (!attr.Dict.Nowrap && _options.WrapAttVals)
{
wrappable = true;
}
}
if (indent + _linelen < _options.WrapLen)
{
_wraphere = _linelen;
AddC(' ', _linelen++);
}
else
{
CondFlushLine(fout, indent);
AddC(' ', _linelen++);
}
for (int i = 0; i < name.Length; i++)
{
AddC(Lexer.FoldCase(name[i], _options.UpperCaseAttrs, _options.XmlTags), _linelen++);
}
if (indent + _linelen >= _options.WrapLen)
{
WrapLine(fout, indent);
}
if (attr.Val == null)
{
if (_options.XmlTags || _options.XmlOut)
{
PrintAttrValue(fout, indent, attr.Attribute, attr.Delim, true);
}
else if (!attr.BoolAttribute && !Node.IsNewNode(node))
{
PrintAttrValue(fout, indent, "", attr.Delim, true);
}
else if (indent + _linelen < _options.WrapLen)
{
_wraphere = _linelen;
}
}
else
{
PrintAttrValue(fout, indent, attr.Val, attr.Delim, wrappable);
}
}
/* swallows closing '>' */
public virtual AttVal ParseAttrs(MutableBoolean isempty)
{
var delim = new MutableInteger();
var asp = new MutableObject();
var php = new MutableObject();
AttVal list = null;
while (!EndOfInput())
{
string attribute = ParseAttribute(isempty, asp, php);
AttVal av;
if (attribute == null)
{
/* check if attributes are created by ASP markup */
if (asp.Object != null)
{
av = new AttVal(list, null, (Node) asp.Object, null, '\x0000', null, null);
list = av;
continue;
}
/* check if attributes are created by PHP markup */
if (php.Object != null)
{
av = new AttVal(list, null, null, (Node) php.Object, '\x0000', null, null);
list = av;
continue;
}
break;
}
string val = ParseValue(attribute, false, isempty, delim);
if (IsValidAttrName(attribute))
{
av = new AttVal(list, null, null, null, delim.Val, attribute, val);
av.Dict = AttributeTable.DefaultAttributeTable.FindAttribute(av);
list = av;
}
else
{
//av = new AttVal(null, null, null, null, 0, attribute, val);
Report.AttrError(this, Token, val, Report.BAD_ATTRIBUTE_VALUE);
}
}
return list;
}
protected internal DomAttrMapImpl(AttVal first)
{
_first = first;
}
/* create style element using rules from dictionary */
private void CreateStyleElement(Lexer lexer, Node doc)
{
Style style;
if (lexer.Styles == null && NiceBody(lexer, doc))
{
return;
}
Node node = lexer.NewNode(Node.START_TAG, null, 0, 0, "style");
node.Isimplicit = true;
/* insert type attribute */
var av = new AttVal(null, null, '"', "type", "text/css");
av.Dict = AttributeTable.DefaultAttributeTable.FindAttribute(av);
node.Attributes = av;
Node body = doc.FindBody(lexer.Options.TagTable);
lexer.Txtstart = lexer.Lexsize;
if (body != null)
{
CleanBodyAttrs(lexer, body);
}
for (style = lexer.Styles; style != null; style = style.Next)
{
lexer.AddCharToLexer(' ');
lexer.AddStringLiteral(style.Tag);
lexer.AddCharToLexer('.');
lexer.AddStringLiteral(style.TagClass);
lexer.AddCharToLexer(' ');
lexer.AddCharToLexer('{');
lexer.AddStringLiteral(style.Properties);
lexer.AddCharToLexer('}');
lexer.AddCharToLexer('\n');
}
lexer.Txtend = lexer.Lexsize;
Node.InsertNodeAtEnd(node, lexer.NewNode(Node.TEXT_NODE, lexer.Lexbuf, lexer.Txtstart, lexer.Txtend));
/*
now insert style element into document head
doc is root node. search its children for html node
the head node should be first child of html node
*/
Node head = doc.FindHead(lexer.Options.TagTable);
if (head != null)
{
Node.InsertNodeAtEnd(head, node);
}
}
public virtual void AddAttribute(string name, string val)
{
var av = new AttVal(null, null, null, null, '"', name, val);
av.Dict = AttributeTable.DefaultAttributeTable.FindAttribute(av);
if (Attributes == null)
{
Attributes = av;
/* append to end of attributes */
}
else
{
AttVal here = Attributes;
while (here.Next != null)
{
here = here.Next;
}
here.Next = av;
}
}
/* remove attribute from node then free it */
public virtual void RemoveAttribute(AttVal attr)
{
AttVal av;
AttVal prev = null;
AttVal next;
for (av = Attributes; av != null; av = next)
{
next = av.Next;
if (av == attr)
{
if (prev != null)
{
prev.Next = next;
}
else
{
Attributes = next;
}
}
else
{
prev = av;
}
}
}
