/// <summary>
/// Gets the rule name for an item type.
/// </summary>
/// <param name="itemType">The item type to get a rule name for.</param>
/// <param name="catalogs">The catalog snapshot to use to find the rule name.</param>
/// <param name="allowNull">Whether or not to allow a null result for a missing or malformed rule.</param>
/// <returns>The matching rule name.</returns>
public string GetRuleNameFromItemType(string itemType,
IProjectCatalogSnapshot catalogs,
bool allowNull = false)
{
Requires.NotNullOrEmpty(itemType, nameof(itemType));
Requires.NotNull(catalogs, nameof(catalogs));
string ruleName;
lock (_syncObject)
{
if (!_itemTypeToRuleName.TryGetValue(itemType, out ruleName))
{
ruleName = GetRuleNameByItemType(catalogs, PropertyPageContexts.Project, itemType)
?? GetRuleNameByItemType(catalogs, PropertyPageContexts.File, itemType);
if (ruleName != null)
{
_ruleNameToItemType[ruleName] = itemType;
_itemTypeToRuleName[itemType] = ruleName;
}
}
}
ProjectErrorUtilities.VerifyThrowProjectException(ruleName != null || allowNull,
VSResources.NoItemTypeForRule,
itemType);
return(ruleName);
}
/// <summary>
/// Gets the item type for a given rule.
/// </summary>
/// <param name="ruleName">The name of the rule to get an item type for.</param>
/// <param name="catalogs">The catalog snapshot to use to find the item type.</param>
/// <param name="allowNull">Whether or not to allow a null result for a missing or malformed rule.</param>
/// <returns>The matching item type.</returns>
public string GetItemTypeFromRuleName(string ruleName,
IProjectCatalogSnapshot catalogs,
bool allowNull = false)
{
Requires.NotNullOrEmpty(ruleName, nameof(ruleName));
Requires.NotNull(catalogs, nameof(catalogs));
string itemType;
lock (_syncObject)
{
if (!_ruleNameToItemType.TryGetValue(ruleName, out itemType))
{
var rule = catalogs.GetSchema(PropertyPageContexts.Project, ruleName)
?? catalogs.GetSchema(PropertyPageContexts.File, ruleName);
itemType = rule != null ? rule.DataSource.ItemType : null;
if (itemType != null)
{
_ruleNameToItemType[ruleName] = itemType;
_itemTypeToRuleName[itemType] = ruleName;
}
}
}
ProjectErrorUtilities.VerifyThrowProjectException(
itemType != null || allowNull, VSResources.NoItemTypeForRule, ruleName);
return(itemType);
}