/// <summary>
/// Tries to find a value from <paramref name="dictionary"/> with types as keys. If direct lookup fails, this method will accept value of the key which will return <c>true</c> for <see cref="E_CommonUtils.IsAssignableFrom_IgnoreGenericArgumentsForGenericTypes"/> with <paramref name="type"/> as first argument and current key as second argument.
/// </summary>
/// <typeparam name="TValue">The type of the values of the <paramref name="dictionary"/>.</typeparam>
/// <param name="type">The type to search value for.</param>
/// <param name="dictionary">The dictionary to search from.</param>
/// <param name="result">This will contain result if return value is <c>true</c>; otherwise <c>default(TValue)</c>.</param>
/// <returns>If the dictionary contains key <paramref name="type"/> or any of its parent types, <c>true</c>; otherwise, <c>false</c>.</returns>
internal static Boolean TryFindInTypeDictionarySearchSubTypes <TValue>(this DictionaryQuery <Type, TValue> dictionary, Type type, out TValue result)
{
// First try to find directly
var found = dictionary.TryGetValue(type, out result);
if (!found)
{
// Then iterate all value until found
foreach (var kvp in dictionary)
{
found = type.IsAssignableFrom_IgnoreGenericArgumentsForGenericTypes(kvp.Key);
if (found)
{
result = kvp.Value;
break;
}
}
}
return(found);
}
/// <summary>
/// Tries to find a value from <paramref name="dictionary"/> with types as keys. If direct lookup fails, this method will accept value of bottom-most type of <paramref name="type"/>'s inheritance hierarchy found in <paramref name="dictionary"/>.
/// </summary>
/// <typeparam name="TValue">The type of the values of the <paramref name="dictionary"/>.</typeparam>
/// <param name="type">The type to search value for.</param>
/// <param name="dictionary">The dictionary to search from.</param>
/// <param name="result">This will contain result if return value is <c>true</c>; otherwise <c>default(TValue)</c>.</param>
/// <returns>If the dictionary contains key <paramref name="type"/> or any of the keys has <paramref name="type"/> as its parent type, <c>true</c>; otherwise, <c>false</c>.</returns>
internal static Boolean TryFindInTypeDictionarySearchBottommostType <TValue>(this DictionaryQuery <Type, TValue> dictionary, Type type, out TValue result)
{
var found = dictionary.TryGetValue(type, out result);
if (!found)
{
// Search for bottom-most type
var current = type;
var currentOK = false;
foreach (var kvp in dictionary)
{
currentOK = current.IsAssignableFrom(kvp.Key);
found = currentOK || found;
if (currentOK)
{
result = kvp.Value;
current = kvp.Key;
}
}
}
return(found);
}
