/// <summary>
/// Registers file extension mapping.
/// </summary>
/// <param name="json">The mapping source.</param>
/// <param name="overrideIfExist">true if override the existed one; otherwise, false.</param>
/// <returns>The count of item added or changed.</returns>
public static int RegisterFileExtensionMapping(JsonObjectNode json, bool overrideIfExist = false)
{
var mapping = FileExtensionMapping;
if (json == null || mapping == null)
{
return(0);
}
var arr = json.TryGetArrayValue("mime");
if (arr != null)
{
return(RegisterFileExtensionMapping(arr, overrideIfExist));
}
var body = json.TryGetObjectValue("mime");
if (body != null)
{
json = body;
}
var i = 0;
foreach (var item in json)
{
if (item.Value?.ValueKind != JsonValueKind.String)
{
continue;
}
if (!item.Value.TryGetString(out var s))
{
continue;
}
if (mapping.Set(item.Key, s, overrideIfExist))
{
i++;
}
}
return(i);
}