/// <summary>
/// Constructor.
/// </summary>
/// <param name="coreProperties">core properties to filter</param>
internal CorePropertiesFilter(PackageProperties coreProperties)
{
if (coreProperties == null)
{
throw new ArgumentNullException("coreProperties");
}
_coreProperties = coreProperties;
}
void LoadRelationships()
{
relationships = new Dictionary <string, PackageRelationship> ();
if (!PartExists(RelationshipUri))
{
return;
}
using (Stream stream = GetPart(RelationshipUri).GetStream())
{
XmlDocument doc = new XmlDocument();
doc.Load(stream);
XmlNamespaceManager manager = new XmlNamespaceManager(doc.NameTable);
manager.AddNamespace("rel", RelationshipNamespace);
foreach (XmlNode node in doc.SelectNodes("/rel:Relationships/*", manager))
{
TargetMode mode = TargetMode.Internal;
if (node.Attributes["TargetMode"] != null)
{
mode = (TargetMode)Enum.Parse(typeof(TargetMode), node.Attributes ["TargetMode"].Value);
}
Uri uri;
try
{
uri = new Uri(node.Attributes ["Target"].Value.ToString(), UriKind.Relative);
}
catch
{
uri = new Uri(node.Attributes ["Target"].Value.ToString(), UriKind.Absolute);
}
CreateRelationship(uri,
mode,
node.Attributes["Type"].Value.ToString(),
node.Attributes["Id"].Value.ToString(),
true);
}
foreach (PackageRelationship r in relationships.Values)
{
if (r.RelationshipType == System.IO.Packaging.PackageProperties.NSPackagePropertiesRelation)
{
PackagePart part = GetPart(PackUriHelper.ResolvePartUri(Uri, r.TargetUri));
packageProperties = new PackagePropertiesPart();
packageProperties.Package = this;
packageProperties.Part = part;
packageProperties.LoadFrom(part.GetStream());
}
}
}
}
/// <summary>
/// Constructor.
/// </summary>
/// <param name="coreProperties">CoreProperties to enumerate</param>
/// <param name="grfFlags">
/// if IFILTER_INIT_APPLY_INDEX_ATTRIBUTES is specified,
/// this indicates all core properties to be returned unless
/// the parameter aAttributes is non-empty.
/// </param>
/// <param name="attributes">
/// attributes specified corresponding to the properties to filter.
/// </param>
internal CorePropertyEnumerator(PackageProperties coreProperties,
IFILTER_INIT grfFlags,
ManagedFullPropSpec[] attributes)
{
if (attributes != null && attributes.Length > 0)
{
//
// If attruibutes list specified,
// return core properties for only those attributes.
//
_attributes = attributes;
}
else if ((grfFlags & IFILTER_INIT.IFILTER_INIT_APPLY_INDEX_ATTRIBUTES)
== IFILTER_INIT.IFILTER_INIT_APPLY_INDEX_ATTRIBUTES)
{
//
// If no attributes list specified,
// but IFILTER_INIT_APPLY_INDEX_ATTRIBUTES is present in grfFlags,
// return all core properties.
//
_attributes = new ManagedFullPropSpec[]
{
//
// SummaryInformation
//
new ManagedFullPropSpec(FormatId.SummaryInformation, PropertyId.Title),
new ManagedFullPropSpec(FormatId.SummaryInformation, PropertyId.Subject),
new ManagedFullPropSpec(FormatId.SummaryInformation, PropertyId.Creator),
new ManagedFullPropSpec(FormatId.SummaryInformation, PropertyId.Keywords),
new ManagedFullPropSpec(FormatId.SummaryInformation, PropertyId.Description),
new ManagedFullPropSpec(FormatId.SummaryInformation, PropertyId.LastModifiedBy),
new ManagedFullPropSpec(FormatId.SummaryInformation, PropertyId.Revision),
new ManagedFullPropSpec(FormatId.SummaryInformation, PropertyId.LastPrinted),
new ManagedFullPropSpec(FormatId.SummaryInformation, PropertyId.DateCreated),
new ManagedFullPropSpec(FormatId.SummaryInformation, PropertyId.DateModified),
//
// DocumentSummaryInformation
//
new ManagedFullPropSpec(FormatId.DocumentSummaryInformation, PropertyId.Category),
new ManagedFullPropSpec(FormatId.DocumentSummaryInformation, PropertyId.Identifier),
new ManagedFullPropSpec(FormatId.DocumentSummaryInformation, PropertyId.ContentType),
new ManagedFullPropSpec(FormatId.DocumentSummaryInformation, PropertyId.Language),
new ManagedFullPropSpec(FormatId.DocumentSummaryInformation, PropertyId.Version),
new ManagedFullPropSpec(FormatId.DocumentSummaryInformation, PropertyId.ContentStatus)
};
}
else
{
// No core properties to be returned.
}
_coreProperties = coreProperties;
_currentIndex = -1;
}
void LoadRelationships ()
{
relationships = new Dictionary<string, PackageRelationship> ();
if (!PartExists (RelationshipUri))
return;
using (Stream stream = GetPart (RelationshipUri).GetStream ()) {
XmlDocument doc = new XmlDocument ();
doc.Load (stream);
XmlNamespaceManager manager = new XmlNamespaceManager (doc.NameTable);
manager.AddNamespace ("rel", RelationshipNamespace);
foreach (XmlNode node in doc.SelectNodes ("/rel:Relationships/*", manager))
{
TargetMode mode = TargetMode.Internal;
if (node.Attributes["TargetMode"] != null)
mode = (TargetMode) Enum.Parse (typeof(TargetMode), node.Attributes ["TargetMode"].Value);
Uri uri;
try {
uri = new Uri (node.Attributes ["Target"].Value.ToString(), UriKind.Relative);
} catch {
uri = new Uri (node.Attributes ["Target"].Value.ToString(), UriKind.Absolute);
}
CreateRelationship (uri,
mode,
node.Attributes["Type"].Value.ToString (),
node.Attributes["Id"].Value.ToString (),
true);
}
foreach (PackageRelationship r in relationships.Values) {
if (r.RelationshipType == System.IO.Packaging.PackageProperties.NSPackagePropertiesRelation) {
PackagePart part = GetPart (PackUriHelper.ResolvePartUri (Uri, r.TargetUri));
packageProperties = new PackagePropertiesPart ();
packageProperties.Package = this;
packageProperties.Part = part;
packageProperties.LoadFrom (part.GetStream ());
}
}
}
}