public virtual bool ShouldAppendFlag(Argument argument, Type type, object value)
{
if (PreAppendChecker != null && !PreAppendChecker(argument, type, value))
{
return(false);
}
if (AppendCheckers.TryGetValue(type, out Func <Argument, Type, object, bool> append))
{
return(append(argument, type, value));
}
return(true);
}
public YoutubeDLApi(string executable, YoutubeDLArguments arguments = null) : base(executable, arguments)
{
ValueTranslators.Add(typeof(DateTime), (a, t, v) => {
return(((DateTime)v).ToString("yyyyMMdd"));
});
ValueTranslators.Add(typeof(ByteSize), (a, t, v) => {
return(((ByteSize)v).Bytes.ToString("#.#"));
});
AppendCheckers.Add(typeof(Dictionary <string, string>), (a, t, v) => {
return(((Dictionary <string, string>)v).Count > 0);
});
}
protected void SetDefaults(bool clear = true)
{
if (clear)
{
ValueTranslators.Clear();
Builders.Clear();
AppendCheckers.Clear();
PreAppendChecker = null;
}
// Translates string properties to string... duh!
ValueTranslators.Add(typeof(string), (a, t, v) => v.ToString());
// Translates enum properties to string by using the name representing the enum value.
ValueTranslators.Add(typeof(Enum), (a, t, v) => {
string name = Enum.GetName(t, v);
return(a.EnumCase == EnumCasePolicy.LOWERCASE ? name.ToLower() : a.EnumCase == EnumCasePolicy.UPPERCASE ? name.ToUpper() : name);
});
// Only append flag if value isn't null. This is checked before any other registered append checkers.
PreAppendChecker = (a, t, v) => v != null;
// Only append boolean flags if the value is true.
AppendCheckers.Add(typeof(bool), (a, t, v) => (bool)v); // Add bool flags if value isnt false.
// Custom builder for string -> string dictionaries repeatedly adds flag with key-value pair seperated by colon.
Builders.Add(typeof(Dictionary <string, string>), (a, t, v) => {
string builtFlag = string.Empty;
int count = 0;
Dictionary <string, string> dic = (Dictionary <string, string>)v;
foreach (KeyValuePair <string, string> entry in dic)
{
string value = string.Format("{0}:{1}", entry.Key, entry.Value);
value = QuoteFlagValue(a.QuotePolicy, value);
builtFlag += string.Format("{0}{1} ", (dic.Count > 1 && count > 0) ? (a.Flag + " ") : string.Empty, value);
count++;
}
if (dic.Count > 0)
{
builtFlag = builtFlag.Remove(builtFlag.Length - 1, 1);
}
return(a.Template.Replace("{flag}", a.Flag).Replace("{value}", builtFlag));
});
}
