XpsSchemaValidator(
XpsValidatingLoader loader,
XpsSchema schema,
ContentType mimeType,
Stream objectStream,
Uri packageUri,
Uri baseUri
)
{
XmlTextReader xmlTextReader = new XmlEncodingEnforcingTextReader(objectStream);
xmlTextReader.ProhibitDtd = true;
xmlTextReader.Normalization = true;
XmlReader xmlReader = xmlTextReader;
string [] predefinedNamespaces = _predefinedNamespaces;
if (!string.IsNullOrEmpty(schema.RootNamespaceUri))
{
predefinedNamespaces = new string[_predefinedNamespaces.Length + 1];
predefinedNamespaces[0] = schema.RootNamespaceUri;
_predefinedNamespaces.CopyTo(predefinedNamespaces, 1);
}
xmlReader = new XmlCompatibilityReader(xmlReader, predefinedNamespaces);
xmlReader = XmlReader.Create(xmlReader, schema.GetXmlReaderSettings());
if (schema.HasUriAttributes(mimeType) && packageUri != null && baseUri != null)
{
xmlReader = new RootXMLNSAndUriValidatingXmlReader(loader, schema,
xmlReader, packageUri, baseUri);
}
else
{
xmlReader = new RootXMLNSAndUriValidatingXmlReader(loader, schema, xmlReader);
}
_compatReader = xmlReader;
}
private static String _ConstructPageString(Stream pageStream, bool reverseRTL)
{
Debug.Assert(pageStream != null);
XmlTextReader xmlTextReader = new XmlTextReader(pageStream);
//Wrap around a compatibility reader
XmlReader xmlReader = new XmlCompatibilityReader(xmlTextReader, _predefinedNamespaces);
XmlReaderSettings settings = new XmlReaderSettings();
settings.IgnoreWhitespace = true;
settings.IgnoreComments = true;
settings.ProhibitDtd = true;
xmlReader = XmlReader.Create(xmlReader, settings);
xmlReader.MoveToContent();
StringBuilder pageString = new StringBuilder();
bool isSideways = false;
string unicodeStr = null;
while (xmlReader.Read())
{
switch (xmlReader.NodeType)
{
case XmlNodeType.Element:
{
if (xmlReader.Name == "Glyphs")
{
unicodeStr = xmlReader.GetAttribute("UnicodeString");
if (!String.IsNullOrEmpty(unicodeStr))
{
string sidewaysString = xmlReader.GetAttribute("IsSideways");
isSideways = false;
if (sidewaysString != null &&
String.Compare(sidewaysString, Boolean.TrueString, StringComparison.OrdinalIgnoreCase) == 0)
{
isSideways = true;
}
if (reverseRTL)
{
//This is to cover for MXDW generation
//RTL Glyphs are saved LTR and bidi level is not set
//In this case we need to reverse the UnicodeString
string bidiLevelAsString = xmlReader.GetAttribute("BidiLevel");
int bidiLevel = 0;
if (!String.IsNullOrEmpty(bidiLevelAsString))
{
try
{
bidiLevel = Convert.ToInt32(bidiLevelAsString, CultureInfo.InvariantCulture);
}
catch (Exception)
{
}
}
string caretStops = xmlReader.GetAttribute("CaretStops");
if (bidiLevel == 0 &&
!isSideways &&
String.IsNullOrEmpty(caretStops) &&
FixedTextBuilder.MostlyRTL(unicodeStr))
{
char[] chars = unicodeStr.ToCharArray();
Array.Reverse(chars);
unicodeStr = new String(chars);
}
}
pageString.Append(unicodeStr);
}
}
}
break;
}
}
return pageString.ToString();
}
public PreserveItemSet(string namespaceName, XmlCompatibilityReader reader)
{
_namespaceName = namespaceName;
_reader = reader;
}
public ProcessContentSet(string namespaceName, XmlCompatibilityReader reader)
{
_namespaceName = namespaceName;
_reader = reader;
}
public CompatibilityScope(CompatibilityScope previous, int depth, XmlCompatibilityReader reader)
{
_previous = previous;
_depth = depth;
_reader = reader;
}
/// <summary>
/// Creates and initializes the XmlCompatibilityReader
/// </summary>
/// <param name="knownNamespaces">Dictionary of external known namespaces</param>
/// <returns>The XmlCompatibilityReader</returns>
private XmlCompatibilityReader SetupReader(IDictionary<Uri, IList<Uri>> knownNamespaces)
{
IList<string> supportedNamespaces = new List<string>();
//add AnnotationFramework namespaces
foreach (Uri name in _predefinedNamespaces.Keys)
{
supportedNamespaces.Add(name.ToString());
}
//add external namespaces
if (knownNamespaces != null)
{
foreach (Uri knownNamespace in knownNamespaces.Keys)
{
Debug.Assert(knownNamespace != null, "null knownNamespace");
supportedNamespaces.Add(knownNamespace.ToString());
}
}
//create XmlCompatibilityReader first
XmlCompatibilityReader reader = new XmlCompatibilityReader(new XmlTextReader(_stream),
new IsXmlNamespaceSupportedCallback(IsXmlNamespaceSupported), supportedNamespaces);
// Declare compatibility.
// Skip the Framework ones because they are all null in this version
if (knownNamespaces != null)
{
foreach (KeyValuePair<Uri, IList<Uri>> item in knownNamespaces)
{
if (item.Value != null)
{
foreach (Uri name in item.Value)
{
Debug.Assert(name != null, "null compatible namespace");
reader.DeclareNamespaceCompatibility(item.Key.ToString(), name.ToString());
}//foreach
}//if
}//foreach
}//if
//cleanup the _ignoredNamespaces
_ignoredNamespaces.Clear();
return reader;
}