// 根据xml编辑框中的内容创建后代
void BuildDescendant()
{
// 采用加虚根的方法
//this.SetFreshValue();
Debug.Assert(this.m_childrenExpand == ExpandStyle.Collapse, "不是闭合状态不要用本函数");
string strAdditionalNsString = "";
string strInnerXml = "";
// 2.得到attributes关闭时的text
XmlText oText = this.GetContentText();
if (oText != null)
{
strInnerXml = oText.Text.Trim();
}
else
{
Debug.Assert(false, "必须有text对象");
}
NamespaceItemCollection nsColl = NamespaceItemCollection.GatherOuterNamespaces(
(ElementItem)this);
if (nsColl.Count > 0)
{
strAdditionalNsString = nsColl.MakeAttrString();
}
string strXml = "";
if (this == this.m_document.VirtualRoot)
{
strXml = strInnerXml;
}
else
{
strXml = "<root "+ strAdditionalNsString + " >\r\n" + strInnerXml + "</root>";
}
this.ClearChildren();
this.children = new ItemList();
XmlDocument dom = new XmlDocument();
dom.LoadXml(strXml);
XmlNode root = null;
if (this == this.m_document.VirtualRoot)
{
root = dom;
}
else
{
root = dom.DocumentElement;
}
foreach(XmlNode node in root.ChildNodes)
{
Item item = this.m_document.allocator.newItem(node,
this.m_document);
ElementInitialStyle style = new ElementInitialStyle();
style.attrsExpandStyle = ExpandStyle.Expand;
style.childrenExpandStyle = ExpandStyle.Expand;
style.bReinitial = false;
item.Initial(node,
this.m_document.allocator,
style,
true);
// 这个函数是为Flush服务的函数，所以不应再使用时间戳加大
this.AppendChildInternal(item,false,true);
}
}
public ItemList SelectItems(string strXpath,
XmlNamespaceManager mngr)
{
ItemList items = new ItemList();
XPathNavigator nav = this.CreateNavigator();
XPathExpression expr = nav.Compile(strXpath);
expr.SetContext(mngr);
XPathNodeIterator ni = nav.Select(expr);
while(ni.MoveNext())
{
Item item = ((XmlEditorNavigator)ni.Current).Item;
items.Add(item);
}
return items;
}
// 根据xml编辑框中的内容创建属性
void BuildAttrs()
{
//this.SetFreshValue();
Debug.Assert(m_attrsExpand == ExpandStyle.Collapse, "不是闭合状态不要用本函数");
NameTable nt = new NameTable();
// 创建名字空间
XmlNamespaceManager nsmgr = GatherOuterNamespaces(
this,
nt);
XmlParserContext context = new XmlParserContext(nt,
nsmgr,
null,
XmlSpace.None);
string strAttrsXml = "";
// 2.得到attributes关闭时的text
XmlText oText = this.GetAttributesText();
if (oText != null)
{
strAttrsXml = oText.Text.Trim();
if (strAttrsXml != "")
strAttrsXml = " " + strAttrsXml;
}
else
{
Debug.Assert(false, "必须有text对象");
}
string strFragmentXml = "<" + this.Name + strAttrsXml + "/>";
/*
TextReader tr = new StringReader(strFragmentXml);
XmlReaderSettings settings = new XmlReaderSettings();
settings..XmlResolver = resolver;
XmlReader reader = XmlReader.Create(tr, settings,
context);
* */
// 过一段时间做XmlSchema校验
XmlValidatingReader reader =
new XmlValidatingReader(strFragmentXml,
XmlNodeType.Element,
context);
// 不根据schema进行校验
reader.ValidationType = ValidationType.None;
this.attrs = new ItemList();
while(true)
{
if (reader.Read() == false)
break;
if (reader.MoveToFirstAttribute() == false)
goto CONTINUE;
while(true)
{
AttrItem attr = this.m_document.CreateAttrItem(reader.Name);
attr.Initial(reader);
this.AppendAttrInternal(attr,false,true);
if (reader.MoveToNextAttribute() == false)
break;
}
CONTINUE:
break;
}
}
// strXpath 可以是相对路径
public ItemList SelectItems(string strXpath)
{
ItemList items = new ItemList();
XPathNavigator nav = this.CreateNavigator();
XPathNodeIterator ni = nav.Select(strXpath);
while(ni.MoveNext())
{
Item item = ((XmlEditorNavigator)ni.Current).Item;
items.Add(item);
}
return items;
}
