/// <summary>
/// Takes two tokens and compares them using version info.
/// Note only tokens that match on Vendor, ProductLine, Language get compared, the pfDidCompare flag indicates this
/// </summary>
private static int CompareTokenVersions(ObjectToken token1, ObjectToken token2, out bool pfDidCompare)
{
pfDidCompare = false;
RegistryDataKey attributes1 = null;
RegistryDataKey attributes2 = null;
attributes1 = token1.Attributes;
attributes2 = token2.Attributes;
// get vendor, version, language, product line for token 1
if (attributes1 != null)
{
string vendor1;
string productLine1;
string version1;
string language1;
attributes1.TryGetString("Vendor", out vendor1);
attributes1.TryGetString("ProductLine", out productLine1);
attributes1.TryGetString("Version", out version1);
attributes1.TryGetString("Language", out language1);
// get vendor, version, language, product line for token 2
if (attributes2 != null)
{
string vendor2;
string productLine2;
string version2;
string language2;
attributes2.TryGetString("Vendor", out vendor2);
attributes2.TryGetString("ProductLine", out productLine2);
attributes2.TryGetString("Version", out version2);
attributes2.TryGetString("Language", out language2);
if (((string.IsNullOrEmpty(vendor1) && string.IsNullOrEmpty(vendor2)) || (!string.IsNullOrEmpty(vendor1) && !string.IsNullOrEmpty(vendor2) && vendor1 == vendor2)) &&
((string.IsNullOrEmpty(productLine1) && string.IsNullOrEmpty(productLine2)) || (!string.IsNullOrEmpty(productLine1) && !string.IsNullOrEmpty(productLine2) && productLine1 == productLine2)) &&
((string.IsNullOrEmpty(language1) && string.IsNullOrEmpty(language2)) || (!string.IsNullOrEmpty(language1) && !string.IsNullOrEmpty(language2) && language1 == language2)))
{
pfDidCompare = true;
return(CompareVersions(version1, version2));
}
else
{
return(-1);
}
}
else
{
return(1);
}
}
else
{
return(-1);
}
}
public override bool Equals(object obj)
{
ObjectToken objectToken = obj as ObjectToken;
if (objectToken != null)
{
return(string.Compare(base.Id, objectToken.Id, StringComparison.OrdinalIgnoreCase) == 0);
}
return(false);
}
internal static ObjectToken DefaultToken(string category)
{
Helpers.ThrowIfEmptyOrNull(category, "category");
ObjectToken objectToken = null;
objectToken = DefaultToken("HKEY_CURRENT_USER\\SOFTWARE\\Microsoft\\Speech\\" + category, "DefaultTokenId");
if (objectToken == null)
{
objectToken = DefaultToken("HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Speech\\" + category, "DefaultTokenId");
}
return(objectToken);
}
private static ObjectToken GetHighestTokenVersion(ObjectToken token, ObjectToken tokenSeed, string[] criterias)
{
if (tokenSeed.MatchesAttributes(criterias))
{
bool pfDidCompare;
int num = CompareTokenVersions(tokenSeed, token, out pfDidCompare);
if (pfDidCompare && num > 0)
{
token = tokenSeed;
}
}
return(token);
}
private static ObjectToken DefaultToken(string category, string defaultTokenIdValueName)
{
ObjectToken token = GetPreference(category, defaultTokenIdValueName);
if (token != null)
{
// Now do special check to see if we have another token from the same vendor with a
// more recent version - if so use that.
// First lets change the category to LOCAL_MACHINE
using (ObjectTokenCategory tokenCategory = ObjectTokenCategory.Create(category))
{
if (tokenCategory != null)
{
if (token != null)
{
foreach (ObjectToken tokenSeed in (IEnumerable <ObjectToken>)tokenCategory)
{
token = GetHighestTokenVersion(token, tokenSeed, s_asVersionDefault);
}
}
else
{
// If there wasn't a default, just pick one with the proper culture
string[] sCultureId = new string[] { string.Format(CultureInfo.InvariantCulture, "{0:x}", CultureInfo.CurrentUICulture.LCID) };
foreach (ObjectToken tokenSeed in (IEnumerable <ObjectToken>)tokenCategory)
{
if (tokenSeed.MatchesAttributes(sCultureId))
{
token = tokenSeed;
break;
}
}
// Still nothing, picks the first one
if (token == null)
{
foreach (ObjectToken tokenSeed in (IEnumerable <ObjectToken>)tokenCategory)
{
token = tokenSeed;
break;
}
}
}
}
}
}
return(token);
}
private static ObjectToken DefaultToken(string category, string defaultTokenIdValueName)
{
ObjectToken objectToken = GetPreference(category, defaultTokenIdValueName);
if (objectToken != null)
{
using (ObjectTokenCategory objectTokenCategory = ObjectTokenCategory.Create(category))
{
if (objectTokenCategory == null)
{
return(objectToken);
}
if (objectToken != null)
{
foreach (ObjectToken item in (IEnumerable <ObjectToken>)objectTokenCategory)
{
objectToken = GetHighestTokenVersion(objectToken, item, asVersionDefault);
}
return(objectToken);
}
string[] sAttributes = new string[1]
{
string.Format(CultureInfo.InvariantCulture, "{0:x}", new object[1]
{
CultureInfo.CurrentUICulture.LCID
})
};
foreach (ObjectToken item2 in (IEnumerable <ObjectToken>)objectTokenCategory)
{
if (item2.MatchesAttributes(sAttributes))
{
objectToken = item2;
break;
}
}
if (objectToken == null)
{
using (IEnumerator <ObjectToken> enumerator3 = ((IEnumerable <ObjectToken>)objectTokenCategory).GetEnumerator())
{
if (enumerator3.MoveNext())
{
return(enumerator3.Current);
}
return(objectToken);
}
}
return(objectToken);
}
}
return(objectToken);
}
private static ObjectToken GetHighestTokenVersion(ObjectToken token, ObjectToken tokenSeed, string[] criterias)
{
// if override and higher version - new preferred.
bool fOverride = tokenSeed.MatchesAttributes(criterias);
if (fOverride)
{
bool fDidCompare;
int lRes = CompareTokenVersions(tokenSeed, token, out fDidCompare);
if (fDidCompare && lRes > 0)
{
token = tokenSeed;
}
}
return(token);
}
internal static ObjectToken DefaultToken(string category)
{
Helpers.ThrowIfEmptyOrNull(category, nameof(category));
ObjectToken token = null;
// Try first to get the preferred token for the current user
token = DefaultToken(@"HKEY_CURRENT_USER\SOFTWARE\Microsoft\Speech\" + category, _defaultTokenIdValueName);
// IF failed try to get it for the local machine
if (token == null)
{
token = DefaultToken(SpeechRegistryKey + category, _defaultTokenIdValueName);
}
return(token);
}
/// <summary>
/// Try to get the preferred token for a category
/// </summary>
private static ObjectToken GetPreference(string category, string defaultLocation)
{
ObjectToken token = null;
using (ObjectTokenCategory tokenCategory = ObjectTokenCategory.Create(category))
{
if (tokenCategory != null)
{
string sToken;
if (tokenCategory.TryGetString(defaultLocation, out sToken))
{
token = tokenCategory.OpenToken(sToken);
}
}
}
return(token);
}
private static ObjectToken GetPreference(string category, string defaultLocation)
{
ObjectToken result = null;
using (ObjectTokenCategory objectTokenCategory = ObjectTokenCategory.Create(category))
{
if (objectTokenCategory == null)
{
return(result);
}
string value;
if (objectTokenCategory.TryGetString(defaultLocation, out value))
{
return(objectTokenCategory.OpenToken(value));
}
return(result);
}
}
private static int CompareTokenVersions(ObjectToken token1, ObjectToken token2, out bool pfDidCompare)
{
pfDidCompare = false;
RegistryDataKey registryDataKey = null;
RegistryDataKey registryDataKey2 = null;
registryDataKey = token1.Attributes;
registryDataKey2 = token2.Attributes;
if (registryDataKey != null)
{
string value;
registryDataKey.TryGetString("Vendor", out value);
string value2;
registryDataKey.TryGetString("ProductLine", out value2);
string value3;
registryDataKey.TryGetString("Version", out value3);
string value4;
registryDataKey.TryGetString("Language", out value4);
if (registryDataKey2 != null)
{
string value5;
registryDataKey2.TryGetString("Vendor", out value5);
string value6;
registryDataKey2.TryGetString("ProductLine", out value6);
string value7;
registryDataKey2.TryGetString("Version", out value7);
string value8;
registryDataKey2.TryGetString("Language", out value8);
if (((string.IsNullOrEmpty(value) && string.IsNullOrEmpty(value5)) || (!string.IsNullOrEmpty(value) && !string.IsNullOrEmpty(value5) && value == value5)) && ((string.IsNullOrEmpty(value2) && string.IsNullOrEmpty(value6)) || (!string.IsNullOrEmpty(value2) && !string.IsNullOrEmpty(value6) && value2 == value6)) && ((string.IsNullOrEmpty(value4) && string.IsNullOrEmpty(value8)) || (!string.IsNullOrEmpty(value4) && !string.IsNullOrEmpty(value8) && value4 == value8)))
{
pfDidCompare = true;
return(CompareVersions(value3, value7));
}
return(-1);
}
return(1);
}
return(-1);
}
/// <summary>
/// Tests whether two AutomationIdentifier objects are equivalent
/// </summary>
public override bool Equals(object obj)
{
ObjectToken token = obj as ObjectToken;
return(token != null && string.Equals(Id, token.Id, StringComparison.OrdinalIgnoreCase));
}
