protected IPDFRemoteComponent GetParsedParent(IPDFComponent component)
{
if (component is IPDFRemoteComponent)
{
IPDFRemoteComponent remote = (IPDFRemoteComponent)component;
return(remote);
}
if (null != component.Parent)
{
return(GetParsedParent(component.Parent));
}
else
{
return(null);
}
}
/// <summary>
/// Gets the closest parent component that was parsed from a file
/// </summary>
/// <returns></returns>
protected virtual IPDFRemoteComponent GetParsedParent()
{
if (this is IPDFRemoteComponent)
{
IPDFRemoteComponent remote = (IPDFRemoteComponent)this;
if (remote.LoadType != ParserLoadType.None && !string.IsNullOrEmpty(remote.LoadedSource))
{
return(remote);
}
}
if (null != this.Parent)
{
return(this.Parent.GetParsedParent());
}
else
{
return(null);
}
}
protected virtual XmlNamespaceManager GetNamespaceManager(IPDFComponent owner)
{
System.Xml.NameTable nt = new System.Xml.NameTable();
System.Xml.XmlNamespaceManager mgr = new System.Xml.XmlNamespaceManager(nt);
IPDFRemoteComponent parsed = this.GetParsedParent(owner);
IDictionary <string, string> parsedNamespaces = null;
//add the namespaces of the last parsed document so we can infer any declarations
if (null != parsed)
{
parsedNamespaces = parsed.GetDeclaredNamespaces();
if (null != parsedNamespaces)
{
foreach (string prefix in parsedNamespaces.Keys)
{
mgr.AddNamespace(prefix, parsedNamespaces[prefix]);
}
}
}
return(mgr);
}
private System.Xml.XmlNamespaceManager GetNamespaceManager()
{
System.Xml.NameTable nt = new System.Xml.NameTable();
System.Xml.XmlNamespaceManager mgr = new System.Xml.XmlNamespaceManager(nt);
IPDFRemoteComponent parsed = this.GetParsedParent();
IDictionary <string, string> parsedNamespaces = null;
//add the namespaces of the last parsed document so we can infer any declarations
if (null != parsed)
{
parsedNamespaces = parsed.GetDeclaredNamespaces();
if (null != parsedNamespaces)
{
foreach (string prefix in parsedNamespaces.Keys)
{
mgr.AddNamespace(prefix, parsedNamespaces[prefix]);
}
}
}
if (null != this._nss)
{
string found;
foreach (XmlNamespaceDeclaration dec in _nss)
{
//makes sure this overrides any existing namespace declaration
if (null != parsedNamespaces && parsedNamespaces.TryGetValue(dec.Prefix, out found))
{
mgr.RemoveNamespace(dec.Prefix, found);
}
mgr.AddNamespace(dec.Prefix, dec.NamespaceURI);
}
}
return(mgr);
}
//
// IPDFTemplate Instantiate method.
//
public IEnumerable <IPDFComponent> Instantiate(int index, IPDFComponent owner)
{
if (!_initialised)
{
this.InitTemplate(this.XmlContent, this.NamespacePrefixMappings);
}
if (null == owner)
{
throw new ArgumentNullException("owner");
}
using (System.IO.StringReader sr = new System.IO.StringReader(this._toparse))
{
//Get the closest remote component
IPDFRemoteComponent remote = this.GetRemoteComponent(owner);
IPDFDocument doc = owner.Document;
IPDFComponent comp;
if (doc is IPDFTemplateParser)
{
comp = ((IPDFTemplateParser)doc).ParseTemplate(remote, sr);
}
else
{
throw RecordAndRaise.NullReference(Errors.ParentDocumentMustBeTemplateParser);
}
if (this.IsBlock)
{
if (!(comp is TemplateBlockInstance))
{
throw RecordAndRaise.InvalidCast(Errors.CannotConvertObjectToType, comp.GetType(), typeof(TemplateBlockInstance));
}
TemplateBlockInstance template = (TemplateBlockInstance)comp;
if (null != this.Style && (template is IPDFStyledComponent))
{
this.Style.MergeInto((template as IPDFStyledComponent).Style);
}
template.StyleClass = this.StyleClass;
template.ElementName = this.ElementName;
}
else
{
if (!(comp is TemplateInstance))
{
throw RecordAndRaise.InvalidCast(Errors.CannotConvertObjectToType, comp.GetType(), typeof(TemplateInstance));
}
TemplateInstance template = (TemplateInstance)comp;
if (null != this.Style && (template is IPDFStyledComponent))
{
this.Style.MergeInto((template as IPDFStyledComponent).Style);
}
template.StyleClass = this.StyleClass;
template.ElementName = this.ElementName;
}
if (comp is Component && owner is Component && this.UseDataStyleIdentifier)
{
var stem = this.DataStyleStem;
if (string.IsNullOrEmpty(stem))
{
stem = ((Component)owner).UniqueID;
}
DataStyleIdentifierVisitor visitor = new DataStyleIdentifierVisitor(stem, 1);
visitor.PushToComponents(comp as Component);
}
List <IPDFComponent> all = new List <IPDFComponent>(1);
all.Add(comp);
return(all);
}
}
