/* 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 static Node ParseDocument(Lexer lexer)
{
Node doctype = null;
TagCollection tt = lexer.Options.TagTable;
Node document = lexer.NewNode();
document.Type = Node.ROOT_NODE;
while (true)
{
Node node = lexer.GetToken(Lexer.IGNORE_WHITESPACE);
if (node == null)
{
break;
}
/* deal with comments etc. */
if (Node.InsertMisc(document, node))
{
continue;
}
if (node.Type == Node.DOC_TYPE_TAG)
{
if (doctype == null)
{
Node.InsertNodeAtEnd(document, node);
doctype = node;
}
else
{
Report.Warning(lexer, document, node, Report.DISCARDING_UNEXPECTED);
}
continue;
}
if (node.Type == Node.END_TAG)
{
Report.Warning(lexer, document, node, Report.DISCARDING_UNEXPECTED); //TODO?
continue;
}
Node html;
if (node.Type != Node.START_TAG || node.Tag != tt.TagHtml)
{
lexer.UngetToken();
html = lexer.InferredTag("html");
}
else
{
html = node;
}
Node.InsertNodeAtEnd(document, html);
ParseHtml.Parse(lexer, html, 0); // TODO?
break;
}
return document;
}
public static Node ParseXmlDocument(Lexer lexer)
{
Node document = lexer.NewNode();
document.Type = Node.ROOT_NODE;
Node doctype = null;
lexer.Options.XmlTags = true;
while (true)
{
Node node = lexer.GetToken(Lexer.IGNORE_WHITESPACE);
if (node == null)
{
break;
}
/* discard unexpected end tags */
if (node.Type == Node.END_TAG)
{
Report.Warning(lexer, null, node, Report.UNEXPECTED_ENDTAG);
continue;
}
/* deal with comments etc. */
if (Node.InsertMisc(document, node))
{
continue;
}
if (node.Type == Node.DOC_TYPE_TAG)
{
if (doctype == null)
{
Node.InsertNodeAtEnd(document, node);
doctype = node;
}
else
{
Report.Warning(lexer, document, node, Report.DISCARDING_UNEXPECTED);
}
// TODO
continue;
}
/* if start tag then parse element's content */
if (node.Type == Node.START_TAG)
{
Node.InsertNodeAtEnd(document, node);
ParseXmlElement(lexer, node, Lexer.IGNORE_WHITESPACE);
}
}
if (doctype != null && !lexer.CheckDocTypeKeyWords(doctype))
{
Report.Warning(lexer, doctype, null, Report.DTYPE_NOT_UPPER_CASE);
}
/* ensure presence of initial <?XML version="1.0"?> */
if (lexer.Options.XmlPi)
{
lexer.FixXmlPi(document);
}
return document;
}
/*
This maps
<p>hello<em> world</em>
to
<p>hello <em>world</em>
Trims initial space, by moving it before the
start tag, or if this element is the first in
parent's content, then by discarding the space
*/
public static void TrimInitialSpace(Lexer lexer, Node element, Node text)
{
// GLP: Local fix to Bug 119789. Remove this comment when parser.c is updated.
// 31-Oct-00.
if (text.Type == TEXT_NODE && text.Textarray[text.Start] == (byte) ' ' && (text.Start < text.End))
{
if (((element.Tag.Model & ContentModel.INLINE) != 0) && (element.Tag.Model & ContentModel.FIELD) == 0 &&
element.Parent.Content != element)
{
Node prev = element.Prev;
if (prev != null && prev.Type == TEXT_NODE)
{
if (prev.Textarray[prev.End - 1] != (byte) ' ')
{
prev.Textarray[prev.End++] = (byte) ' ';
}
++element.Start;
}
/* create new node */
else
{
Node node = lexer.NewNode();
// Local fix for bug 228486 (GLP). This handles the case
// where we need to create a preceeding text node but there are
// no "slots" in textarray that we can steal from the current
// element. Therefore, we create a new textarray containing
// just the blank. When Tidy is fixed, this should be removed.
if (element.Start >= element.End)
{
node.Start = 0;
node.End = 1;
node.Textarray = new byte[1];
}
else
{
node.Start = element.Start++;
node.End = element.Start;
node.Textarray = element.Textarray;
}
node.Textarray[node.Start] = (byte) ' ';
node.Prev = prev;
if (prev != null)
{
prev.Next = node;
}
node.Next = element;
element.Prev = node;
node.Parent = element.Parent;
}
}
/* discard the space in current node */
++text.Start;
}
}