internal UpdatableHelpVersionRange ParseManifestForApplicableUpdates(string xml, UpdatableHelpVersion currentVersion, int currentRevision)
{
UpdatableHelpVersionRange result = null;
XmlDocument xmlDocument = null;
try
{
xmlDocument = this.CreateValidXmlDocument(xml, new ValidationEventHandler(this.ManifestValidationHandler), true);
}
catch (XmlException innerException)
{
throw new UpdatableExchangeHelpSystemException(UpdatableHelpStrings.UpdateManifestXmlValidationFailureErrorID, UpdatableHelpStrings.UpdateManifestXmlValidationFailure, ErrorCategory.InvalidData, null, innerException);
}
new SortedList <int, UpdatableHelpVersion>();
XmlNodeList childNodes = xmlDocument["ExchangeHelpInfo"]["HelpVersions"].ChildNodes;
foreach (object obj in childNodes)
{
XmlNode xmlNode = (XmlNode)obj;
if (xmlNode.HasChildNodes)
{
List <string> list = new List <string>();
string text = string.Empty;
string cabinetUrl = string.Empty;
int num = 0;
foreach (object obj2 in xmlNode.ChildNodes)
{
XmlNode xmlNode2 = (XmlNode)obj2;
string name;
if ((name = xmlNode2.Name) != null)
{
if (!(name == "Version"))
{
if (!(name == "Revision"))
{
if (!(name == "CulturesUpdated"))
{
if (name == "CabinetUrl")
{
cabinetUrl = xmlNode["CabinetUrl"].InnerText;
}
}
else
{
text = xmlNode2.InnerText;
}
}
else if (!int.TryParse(xmlNode2.InnerText, out num))
{
throw new UpdatableExchangeHelpSystemException(UpdatableHelpStrings.UpdateInvalidVersionNumberErrorID, UpdatableHelpStrings.UpdateInvalidVersionNumber(xmlNode2.InnerText), ErrorCategory.InvalidData, null, null);
}
}
else
{
list.Add(xmlNode2.InnerText.Trim());
}
}
}
int newestRevisionFound = currentRevision;
if (list.Count > 0 && num > 0 && !string.IsNullOrEmpty(text) && !string.IsNullOrEmpty("CabinetUrl"))
{
foreach (string versionRange in list)
{
UpdatableHelpVersionRange updatableHelpVersionRange = new UpdatableHelpVersionRange(versionRange, num, text, cabinetUrl);
if (updatableHelpVersionRange.IsInRangeAndNewerThan(currentVersion, newestRevisionFound))
{
result = updatableHelpVersionRange;
newestRevisionFound = updatableHelpVersionRange.HelpRevision;
}
}
}
}
}
return(result);
}
internal UpdatableExchangeHelpSystemException UpdateHelp()
{
double num = 90.0;
UpdatableExchangeHelpSystemException result = null;
this.ProgressNumerator = 0.0;
if (!this.Cmdlet.Force)
{
if (!this.DownloadThrottleExpired())
{
this.Cmdlet.WriteVerbose(UpdatableHelpStrings.UpdateUseForceToUpdateHelp(this.ThrottlingPeriodHours));
return(result);
}
}
try
{
this.UpdateProgress(UpdatePhase.Checking, LocalizedString.Empty, (int)this.ProgressNumerator, 100);
string path = this.LocalTempBase + "UpdateHelp.$$$\\";
this.CleanDirectory(path);
this.EnsureDirectory(path);
HelpDownloader helpDownloader = new HelpDownloader(this);
helpDownloader.DownloadManifest();
if (!this.Cmdlet.Abort)
{
UpdatableHelpVersionRange updatableHelpVersionRange = helpDownloader.SearchManifestForApplicableUpdates(this.CurrentHelpVersion, this.CurrentHelpRevision);
if (updatableHelpVersionRange != null)
{
double num2 = 20.0;
this.ProgressNumerator = 10.0;
this.UpdateProgress(UpdatePhase.Downloading, LocalizedString.Empty, (int)this.ProgressNumerator, 100);
string[] array = this.EnumerateAffectedCultures(updatableHelpVersionRange.CulturesAffected);
if (array.Length > 0)
{
this.Cmdlet.WriteVerbose(UpdatableHelpStrings.UpdateApplyingRevision(updatableHelpVersionRange.HelpRevision, string.Join(", ", array)));
helpDownloader.DownloadPackage(updatableHelpVersionRange.CabinetUrl);
if (this.Cmdlet.Abort)
{
return(result);
}
this.ProgressNumerator += num2;
this.UpdateProgress(UpdatePhase.Extracting, LocalizedString.Empty, (int)this.ProgressNumerator, 100);
HelpInstaller helpInstaller = new HelpInstaller(this, array, num);
helpInstaller.ExtractToTemp();
if (this.Cmdlet.Abort)
{
return(result);
}
this.ProgressNumerator += num2;
this.UpdateProgress(UpdatePhase.Validating, LocalizedString.Empty, (int)this.ProgressNumerator, 100);
Dictionary <string, LocalizedString> dictionary = helpInstaller.ValidateFiles();
if (this.Cmdlet.Abort)
{
return(result);
}
if (dictionary != null && dictionary.Count > 0)
{
this.Cmdlet.WriteVerbose(UpdatableHelpStrings.UpdateInvalidHelpFiles);
foreach (KeyValuePair <string, LocalizedString> keyValuePair in dictionary)
{
this.Cmdlet.WriteVerbose(UpdatableHelpStrings.UpdateInvalidFileDescription(keyValuePair.Key, keyValuePair.Value));
}
throw new UpdatableExchangeHelpSystemException(UpdatableHelpStrings.UpdateContentXmlValidationFailureErrorID, UpdatableHelpStrings.UpdateContentXmlValidationFailure, ErrorCategory.NotInstalled, null, null);
}
this.ProgressNumerator += num2;
this.UpdateProgress(UpdatePhase.Installing, LocalizedString.Empty, (int)this.ProgressNumerator, 100);
if (!helpInstaller.AtomicInstallFiles())
{
throw new UpdatableExchangeHelpSystemException(UpdatableHelpStrings.UpdateInstallFilesExceptionErrorID, UpdatableHelpStrings.UpdateInstallFilesException, ErrorCategory.NotInstalled, null, null);
}
}
else
{
this.Cmdlet.WriteVerbose(UpdatableHelpStrings.UpdateSkipRevision(updatableHelpVersionRange.HelpRevision));
}
this.UpdateCurrentVersionInRegistry(updatableHelpVersionRange.HelpRevision);
this.Cmdlet.WriteVerbose(UpdatableHelpStrings.UpdateRevisionApplied(updatableHelpVersionRange.HelpRevision));
this.ProgressNumerator += num2;
}
else
{
this.Cmdlet.WriteVerbose(UpdatableHelpStrings.UpdateNoApplicableUpdates);
}
this.ProgressNumerator = num;
this.UpdateProgress(UpdatePhase.Finalizing, LocalizedString.Empty, (int)this.ProgressNumerator, 100);
try
{
this.CleanDirectory(path);
if (Directory.Exists(path))
{
Directory.Delete(path);
}
}
catch
{
}
this.UpdateLastSuccessfulCheckTimestamp(DateTime.UtcNow);
}
}
catch (Exception ex)
{
if (ex.GetType() == typeof(UpdatableExchangeHelpSystemException))
{
result = (UpdatableExchangeHelpSystemException)ex;
}
else
{
result = new UpdatableExchangeHelpSystemException(UpdatableHelpStrings.UpdateInstallFilesExceptionErrorID, UpdatableHelpStrings.UpdateInstallFilesException, ErrorCategory.InvalidOperation, null, ex);
}
}
this.ProgressNumerator = 100.0;
this.UpdateProgress(UpdatePhase.Finalizing, LocalizedString.Empty, (int)this.ProgressNumerator, 100);
return(result);
}