private void DumpNode(Node node)
{
StringBuilder wholeTag = new StringBuilder(node.GetText());
if (!(node is TextNode) && !(node is Comment))
{
_builder.Append(GetIndentationString());
if (node is NodeContainer)
{
NodeContainer container = (NodeContainer)node;
if (container is Element && container.Nodes.Count == 1 &&
container.Nodes[0] is TextNode)
{
// the container is an element and it only has text inside
Element element = (Element)container;
StringBuilder innerText = new StringBuilder(element.Nodes[0].GetText());
if (innerText.Length < MAX_TAG / 2)
{
_builder.Append(IndentOpeningTag(element, element.GetOpenTag()));
_builder.Append(IndentText(innerText, false));
_builder.Append(element.GetCloseTag());
_builder.Append('\n');
return;
}
}
if (!container.HasChildNodes)
{
// the element does not have have any children, its only the element tag
wholeTag.Replace("\r", "");
wholeTag.Replace("\n", "");
_builder.Append(IndentOpeningTag(container, wholeTag.ToString()));
_builder.Append('\n');
return;
}
if (container is Element)
{
// a normal element with any number of children.
Element element = (Element)container;
_builder.Append(IndentOpeningTag(element, element.GetOpenTag()));
_builder.Append('\n');
_indentation++;
DumpNodes(element.Nodes);
_indentation--;
_builder.Append(GetIndentationString());
_builder.Append(element.GetCloseTag());
_builder.Append('\n');
}
else
{
// it's not an element and it does not have children. Just write it.
_builder.Append(wholeTag);
_builder.Append('\n');
}
}
else
{
// it is not a container object, just write it.
_builder.Append(wholeTag);
_builder.Append('\n');
return;
}
}
else
{
// it is a textnode or a comment, write it with format.
_builder.Append(IndentText(wholeTag, true));
_builder.Append("\r\n");
}
}
private string IndentOpeningTag(NodeContainer container, string text)
{
if (!container.HasAttributes)
{
// if it doesn't have attributes, just return the open tag
return(text);
}
int pos = text.IndexOf(container.Attributes[0].GetText());
StringBuilder wholeTag = new StringBuilder();
wholeTag.Append(text.Substring(0, pos));
//clean up the element string
for (int i = wholeTag.Length - 1; i >= 0; i--)
{
if (wholeTag[i] != ' ' && wholeTag[i] != '\t' && wholeTag[i] != '\n' && wholeTag[i] != '\r')
{
if (i == wholeTag.Length - 1)
{
break;
}
wholeTag.Remove(i + 1, wholeTag.Length - i - 1);
break;
}
}
string newIndent = new string('\t', _indentation + 1);
StringBuilder currentRow = new StringBuilder(MAX_TAG);
bool isFirstRow = true;
foreach (Attribute a in container.Attributes)
{
if (currentRow.Length >= MAX_TAG)
{
if (!isFirstRow)
{
wholeTag.Append('\n');
wholeTag.Append(newIndent);
}
isFirstRow = false;
wholeTag.Append(currentRow);
currentRow = new StringBuilder(MAX_TAG);
}
currentRow.Append(' ');
currentRow.Append(a.GetText());
}
//add the left over attributes
if (currentRow.Length > 0)
{
if (!isFirstRow && currentRow.Length > 15)
{
wholeTag.Append('\n');
wholeTag.Append(newIndent);
}
wholeTag.Append(currentRow);
}
//add the closing element tag
string lastAttributeText = container.Attributes[container.Attributes.Count - 1].GetText();
pos = text.LastIndexOf(lastAttributeText);
string endTag = text.Substring(pos + lastAttributeText.Length).Replace(" ", "").Replace("\t", "");
if (endTag == "/>")
{
endTag = " " + endTag;
}
wholeTag.Append(endTag);
return(wholeTag.ToString());
}
public TagDocument Parse(string text, int startIndex, bool justFirstTag)
{
_document = new TagDocument(text);
NodeReader reader = new NodeReader(text, startIndex);
NodeContainer current = _document;
Node node = reader.ReadNext();
int nodeCount = 0;
while (node != null)
{
if (node is ElementCloseTag)
{
if (string.Compare(node.Name, current.Name, _ignoreCase, CultureInfo.InvariantCulture) == 0)
{
((Element)current).SetElementPosition(current.StartPosition, current.EndPosition, node.StartPosition, node.EndPosition);
current = current.Parent;
}
else
{
// oops, we should fix the document here
NodeContainer temp = current.Parent;
ArrayList list = new ArrayList();
list.Add(current);
while (temp != null)
{
if (string.Compare(node.Name, temp.Name, _ignoreCase, CultureInfo.InvariantCulture) == 0)
{
((Element)temp).SetElementPosition(temp.StartPosition, temp.EndPosition, node.StartPosition, node.EndPosition);
current = temp.Parent;
for (int i = list.Count - 1; i >= 0; i--)
{
Element tempNode = (Element)list[i];
int index = temp.Nodes.IndexOf(tempNode) + 1;
tempNode.SetIsInlineClosed(true);
tempNode.SetIsClosed(false);
for (int child = tempNode.Nodes.Count - 1; child >= 0; child--)
{
Node childNode = tempNode.Nodes[child];
tempNode.Nodes.Remove(childNode);
childNode.SetParent(temp);
temp.Nodes.Insert(index, childNode);
}
}
break;
}
list.Add(temp);
temp = temp.Parent;
}
if (temp == null)
{
// oops
// this seems to be a never-opened tag,
// must likely a wrongly nested like <b><i></b></i>
// shall we try doing something???
nodeCount++;
InvalidNode textNode = new InvalidNode();
textNode.SetPosition(node.StartPosition, node.EndPosition);
textNode._globalIndex = nodeCount;
current.Nodes.Add(textNode);
_hasInvalidMarkup = true;
}
}
}
else
{
current.Nodes.Add(node);
nodeCount++;
node._globalIndex = nodeCount;
if (node is Element)
{
Element element = (Element)node;
if (!element.IsInlineClosed)
{
current = element;
}
}
}
if (justFirstTag)
{
// For wrongly nested documents I might end with more than one node, so
// if the user said only one, then remove all of the rest
if (_document.Nodes.Count > 1)
{
for (int i = _document.Nodes.Count; i > 1; i--)
{
_document.Nodes.RemoveAt(i);
}
}
break;
}
node = reader.ReadNext();
}
_document._nodeCount = nodeCount;
return(_document);
}
internal void SetParent(NodeContainer parent)
{
this._parent = parent;
}
public AttributeCollection(NodeContainer parent)
{
this._parent = parent;
}
internal NodeCollection(NodeContainer parent)
{
this._parent = parent;
}