public override void writeObject(ExportContext ctx, object value, TypeData[] typeArgs = null)
{
// make a list of all the fields that have changed, then send only those
// TODO: Improve this.. Perhaps it writes them all to a new stream, a byte[], so that
// we can insert the length afterwards... ugh...
List<FieldData> fields = null;
foreach (FieldData field in _fields) {
if (field.hasChanged(value)) {
(fields ?? (fields = new List<FieldData>())).Add(field);
}
}
if (fields == null) {
ctx.writeLength(0);
return;
}
ctx.writeLength(fields.Count);
foreach (FieldData field in fields) {
field.writeField(ctx, this, value);
}
}
public override void writeObject(ExportContext ctx, object value, TypeData[] typeArgs = null)
{
// TODO: we should consider making a non-generic IMuliset interface for easy wildcarding
TypeData elementType = typeArgs[0];
Type fullType = value.GetType();
int size = (int)fullType.GetProperty("ElementCount").GetValue(value, null);
ctx.writeLength(size);
if (size == 0) {
return;
}
IEnumerable en = (IEnumerable)fullType.GetMethod("EntrySet").Invoke(value, null);
PropertyInfo getKey = null, getVal = null;
foreach (var entry in en) {
if (getKey == null) {
Type entryType = entry.GetType();
getKey = entryType.GetProperty("Key");
getVal = entryType.GetProperty("Value");
}
this.logInfo("Writing value of multiset",
"value", getKey.GetValue(entry, null));
ctx.writeObject(getKey.GetValue(entry, null), elementType);
ctx.writeLength((int)getVal.GetValue(entry, null));
}
}
protected void writeEntries(
ExportContext ctx, IEnumerable enumerable, int size, TypeData expectedElementType)
{
ctx.writeLength(size);
foreach (object entry in enumerable) {
ctx.writeObject(entry, expectedElementType);
}
}
public override void writeObject(ExportContext ctx, object value, TypeData[] typeArgs = null)
{
TypeData keyType = typeArgs[0];
TypeData valType = typeArgs[1];
Type fullType = value.GetType();
int size = (int)fullType.GetProperty("Count").GetValue(value, null);
ctx.writeLength(size);
if (size == 0) {
return;
}
Type entryType = typeof(KeyValuePair<,>).MakeGenericType(
keyType.getType(), valType.getType());
Type ienumerableType = typeof(IEnumerable<>).MakeGenericType(entryType);
IEnumerator en = (IEnumerator)
ienumerableType.GetMethod("GetEnumerator").Invoke(value, null);
PropertyInfo getKey = entryType.GetProperty("Key");
PropertyInfo getVal = entryType.GetProperty("Value");
while (en.MoveNext()) {
var entry = en.Current;
ctx.writeObject(getKey.GetValue(entry, null), keyType);
ctx.writeObject(getVal.GetValue(entry, null), valType);
}
}