private static Json5Value Transform(Json5Value value, Func <Json5Container, string, Json5Value, Json5Value> transformer)
{
Json5Object holder = new Json5Object();
holder[""] = value;
return(Walk(holder, "", transformer));
}
private static Json5Value Walk(Json5Container holder, string key, Func <Json5Container, string, Json5Value, Json5Value> transformer)
{
Json5Value value = holder[key];
if (value is Json5Container)
{
Json5Container c = (Json5Container)value;
string[] keys = c.Keys.ToArray();
foreach (string k in keys)
{
Json5Value v = Walk(c, k, transformer);
if (v != null)
{
c[k] = v;
}
else
{
c.Remove(k);
}
}
}
// Special case for holder
if (key == "")
{
return(value);
}
return(transformer(holder, key, value));
}
public static string Stringify(Json5Value value, Func <Json5Container, string, Json5Value, Json5Value> replacer, string space = null)
{
if (replacer != null)
{
value = Transform(value, replacer);
}
return(value.ToJson5String(space));
}
public static string Stringify(Json5Value value, IEnumerable <string> keys, string space = null)
{
Func <Json5Container, string, Json5Value, Json5Value> replacer = null;
if (keys != null)
{
replacer = (t, k, v) => keys.Contains(k) ? v : null;
}
return(Stringify(value, replacer, space));
}
/// <summary>
/// Parses JSON5 text into a JSON5 value.
/// </summary>
/// <param name="text">The text to parse.</param>
/// <param name="reviver">An optional function to tranform the parsed values.</param>
/// <returns>A JSON5 value.</returns>
public static Json5Value Parse(string text, Func <Json5Container, string, Json5Value, Json5Value> reviver = null)
{
Json5Parser parser = new Json5Parser(new StringReader(text));
Json5Value value = parser.Parse();
if (reviver != null)
{
return(Transform(value, reviver));
}
return(value);
}
private static Json5Value Walk(Json5Container holder, string key, Func <Json5Container, string, Json5Value, Json5Value> transformer)
{
Json5Value value = holder[key];
if (value is Json5Container)
{
Json5Container c = (Json5Container)value;
foreach (string k in c.Keys)
{
Json5Value v = Walk(c, k, transformer);
if (v != null)
{
c[k] = v;
}
else
{
c.Remove(k);
}
}
}
return(transformer(holder, key, value));
}
public static string Stringify(Json5Value value, int space)
{
return(Stringify(value, (Func <Json5Container, string, Json5Value, Json5Value>)null, space));
}
public static string Stringify(Json5Value value, IEnumerable <string> keys, int space)
{
return(Stringify(value, keys, new string(' ', Math.Max(space, 10))));
}
public static string Stringify(Json5Value value, Func <string, Json5Value, Json5Value> replacer, int space)
{
throw new NotImplementedException();
}
public static string Stringify(Json5Value value, Func <Json5Container, string, Json5Value, Json5Value> replacer, int space)
{
return(Stringify(value, replacer, new string(' ', Math.Max(space, 10))));
}