static Type MapTagType(Type tagType)
{
if (tagType == null)
{
return(null);
}
PagesSection ps = WebConfigurationManager.GetSection("system.web/pages") as PagesSection;
if (ps == null)
{
return(tagType);
}
TagMapCollection tags = ps.TagMapping;
if (tags == null || tags.Count == 0)
{
return(tagType);
}
string tagTypeName = tagType.ToString();
Type mappedType, originalType;
string originalTypeName = String.Empty, mappedTypeName = String.Empty;
bool missingType;
Exception error;
foreach (TagMapInfo tmi in tags)
{
error = null;
originalType = null;
try {
originalTypeName = tmi.TagType;
originalType = HttpApplication.LoadType(originalTypeName);
if (originalType == null)
{
missingType = true;
}
else
{
missingType = false;
}
} catch (Exception ex) {
missingType = true;
error = ex;
}
if (missingType)
{
throw new HttpException(String.Format("Could not load type {0}", originalTypeName), error);
}
if (originalTypeName == tagTypeName)
{
mappedTypeName = tmi.MappedTagType;
error = null;
mappedType = null;
try {
mappedType = HttpApplication.LoadType(mappedTypeName);
if (mappedType == null)
{
missingType = true;
}
else
{
missingType = false;
}
} catch (Exception ex) {
missingType = true;
error = ex;
}
if (missingType)
{
throw new HttpException(String.Format("Could not load type {0}", mappedTypeName),
error);
}
if (!mappedType.IsSubclassOf(originalType))
{
throw new ConfigurationErrorsException(
String.Format("The specified type '{0}' used for mapping must inherit from the original type '{1}'.", mappedTypeName, originalTypeName));
}
return(mappedType);
}
}
return(tagType);
}
internal static long GetRecompilationHash(PagesSection ps)
{
HashCodeCombiner combiner = new HashCodeCombiner();
combiner.AddObject(ps.Buffer);
combiner.AddObject(ps.EnableViewState);
combiner.AddObject(ps.EnableViewStateMac);
combiner.AddObject(ps.EnableEventValidation);
combiner.AddObject(ps.SmartNavigation);
combiner.AddObject(ps.ValidateRequest);
combiner.AddObject(ps.AutoEventWireup);
if (ps.PageBaseTypeInternal != null)
{
combiner.AddObject(ps.PageBaseTypeInternal.FullName);
}
if (ps.UserControlBaseTypeInternal != null)
{
combiner.AddObject(ps.UserControlBaseTypeInternal.FullName);
}
if (ps.PageParserFilterTypeInternal != null)
{
combiner.AddObject(ps.PageParserFilterTypeInternal.FullName);
}
combiner.AddObject(ps.MasterPageFile);
combiner.AddObject(ps.Theme);
combiner.AddObject(ps.StyleSheetTheme);
combiner.AddObject(ps.EnableSessionState);
combiner.AddObject(ps.CompilationMode);
combiner.AddObject(ps.MaxPageStateFieldLength);
combiner.AddObject(ps.ViewStateEncryptionMode);
combiner.AddObject(ps.MaintainScrollPositionOnPostBack);
NamespaceCollection namespaces = ps.Namespaces;
combiner.AddObject(namespaces.AutoImportVBNamespace);
if (namespaces.Count == 0)
{
combiner.AddObject("__clearnamespaces");
}
else
{
foreach (NamespaceInfo info in namespaces)
{
combiner.AddObject(info.Namespace);
}
}
TagPrefixCollection controls = ps.Controls;
if (controls.Count == 0)
{
combiner.AddObject("__clearcontrols");
}
else
{
foreach (TagPrefixInfo info2 in controls)
{
combiner.AddObject(info2.TagPrefix);
if ((info2.TagName != null) && (info2.TagName.Length != 0))
{
combiner.AddObject(info2.TagName);
combiner.AddObject(info2.Source);
}
else
{
combiner.AddObject(info2.Namespace);
combiner.AddObject(info2.Assembly);
}
}
}
TagMapCollection tagMapping = ps.TagMapping;
if (tagMapping.Count == 0)
{
combiner.AddObject("__cleartagmapping");
}
else
{
foreach (TagMapInfo info3 in tagMapping)
{
combiner.AddObject(info3.TagType);
combiner.AddObject(info3.MappedTagType);
}
}
return(combiner.CombinedHash);
}
