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mirror of https://github.com/esiur/esiur-dart.git synced 2025-05-06 12:02:57 +00:00
esiur-dart/lib/src/Data/DataDeserializer.dart
2022-04-02 22:36:52 +03:00

504 lines
15 KiB
Dart

import 'dart:core';
import 'IEnum.dart';
import '../Core/Tuple.dart';
import '../Resource/Template/TemplateType.dart';
import '../Resource/Warehouse.dart';
import '../../esiur.dart';
import '../Core/AsyncBag.dart';
import '../Core/AsyncReply.dart';
import 'DC.dart';
import '../Net/IIP/DistributedConnection.dart';
import 'NotModified.dart';
import 'RepresentationType.dart';
class PropertyValueParserResults {
final int size;
final AsyncReply<PropertyValue> reply;
PropertyValueParserResults(this.size, this.reply);
}
class DataDeserializer {
static AsyncReply nullParser(DC data, int offset, int length,
DistributedConnection? connection, List<int>? requestSequence) {
return AsyncReply.ready(null);
}
static AsyncReply booleanTrueParser(DC data, int offset, int length,
DistributedConnection? connection, List<int>? requestSequence) {
return new AsyncReply<bool>.ready(true);
}
static AsyncReply booleanFalseParser(DC data, int offset, int length,
DistributedConnection? connection, List<int>? requestSequence) {
return new AsyncReply<bool>.ready(false);
}
static AsyncReply notModifiedParser(DC data, int offset, int length,
DistributedConnection? connection, List<int>? requestSequence) {
return new AsyncReply<NotModified>.ready(NotModified());
}
static AsyncReply byteParser(DC data, int offset, int length,
DistributedConnection? connection, List<int>? requestSequence) {
return new AsyncReply<int>.ready(data[offset]);
}
static AsyncReply sByteParser(DC data, int offset, int length,
DistributedConnection? connection, List<int>? requestSequence) {
return new AsyncReply<int>.ready(
data[offset] > 127 ? data[offset] - 256 : data[offset]);
}
static AsyncReply char16Parser(DC data, int offset, int length,
DistributedConnection? connection, List<int>? requestSequence) {
return AsyncReply<String>.ready(data.getChar(offset));
}
static AsyncReply char8Parser(DC data, int offset, int length,
DistributedConnection? connection, List<int>? requestSequence) {
return new AsyncReply<String>.ready(String.fromCharCode(data[offset]));
}
static AsyncReply int16Parser(DC data, int offset, int length,
DistributedConnection? connection, List<int>? requestSequence) {
return AsyncReply<int>.ready(data.getInt16(offset));
}
static AsyncReply uInt16Parser(DC data, int offset, int length,
DistributedConnection? connection, List<int>? requestSequence) {
return AsyncReply<int>.ready(data.getUint16(offset));
}
static AsyncReply int32Parser(DC data, int offset, int length,
DistributedConnection? connection, List<int>? requestSequence) {
return AsyncReply<int>.ready(data.getInt32(offset));
}
static AsyncReply uInt32Parser(DC data, int offset, int length,
DistributedConnection? connection, List<int>? requestSequence) {
return AsyncReply<int>.ready(data.getUint32(offset));
}
static AsyncReply float32Parser(DC data, int offset, int length,
DistributedConnection? connection, List<int>? requestSequence) {
return AsyncReply<double>.ready(data.getFloat32(offset));
}
static AsyncReply float64Parser(DC data, int offset, int length,
DistributedConnection? connection, List<int>? requestSequence) {
return AsyncReply<double>.ready(data.getFloat64(offset));
}
static AsyncReply float128Parser(DC data, int offset, int length,
DistributedConnection? connection, List<int>? requestSequence) {
// @TODO
return AsyncReply<double>.ready(data.getFloat64(offset));
}
static AsyncReply int128Parser(DC data, int offset, int length,
DistributedConnection? connection, List<int>? requestSequence) {
// @TODO
return AsyncReply<int>.ready(data.getInt64(offset));
}
static AsyncReply uInt128Parser(DC data, int offset, int length,
DistributedConnection? connection, List<int>? requestSequence) {
return AsyncReply<int>.ready(data.getUint64(offset));
}
static AsyncReply int64Parser(DC data, int offset, int length,
DistributedConnection? connection, List<int>? requestSequence) {
return AsyncReply<int>.ready(data.getInt64(offset));
}
static AsyncReply uInt64Parser(DC data, int offset, int length,
DistributedConnection? connection, List<int>? requestSequence) {
return AsyncReply<int>.ready(data.getUint64(offset));
}
static AsyncReply dateTimeParser(DC data, int offset, int length,
DistributedConnection? connection, List<int>? requestSequence) {
return AsyncReply<DateTime>.ready(data.getDateTime(offset));
}
static AsyncReply resourceParser(DC data, int offset, int length,
DistributedConnection? connection, List<int>? requestSequence) {
if (connection != null) {
var id = data.getUint32(offset);
return connection.fetch(id, requestSequence);
}
throw Exception("Can't parse resource with no connection");
}
static AsyncReply localResourceParser(DC data, int offset, int length,
DistributedConnection? connection, List<int>? requestSequence) {
var id = data.getUint32(offset);
return Warehouse.getById(id);
}
static AsyncReply rawDataParser(DC data, int offset, int length,
DistributedConnection? connection, List<int>? requestSequence) {
return new AsyncReply<DC>.ready(data.clip(offset, length));
}
static AsyncReply stringParser(DC data, int offset, int length,
DistributedConnection? connection, List<int>? requestSequence) {
return new AsyncReply<String>.ready(data.getString(offset, length));
}
static AsyncReply recordParser(DC data, int offset, int length,
DistributedConnection? connection, List<int>? requestSequence) {
var reply = new AsyncReply<IRecord>();
var classId = data.getGuid(offset);
offset += 16;
length -= 16;
var template = Warehouse.getTemplateByClassId(classId, TemplateType.Record);
var initRecord = (TypeTemplate template) =>
listParser(data, offset, length, connection, requestSequence).then((r) {
var ar = r as List;
IRecord record;
if (template.definedType != null) {
record = Warehouse.createInstance(template.definedType!) as IRecord;
} else {
record = Record();
}
var kv = Map<String, dynamic>();
for (var i = 0; i < template.properties.length; i++)
kv[template.properties[i].name] = ar[i];
record.deserialize(kv);
reply.trigger(record);
});
if (template != null) {
initRecord(template);
} else {
if (connection == null)
throw Exception("Can't parse record with no connection");
connection.getTemplate(classId).then((tmp) {
if (tmp == null)
reply.triggerError(AsyncException(
ErrorType.Management,
ExceptionCode.TemplateNotFound.index,
"Template not found for record."));
else
initRecord(tmp);
}).error((x) => reply.triggerError(x));
}
return reply;
}
static AsyncReply constantParser(DC data, int offset, int length,
DistributedConnection? connection, List<int>? requestSequence) {
throw Exception("NotImplementedException");
}
static AsyncReply enumParser(DC data, int offset, int length,
DistributedConnection? connection, List<int>? requestSequence) {
var classId = data.getGuid(offset);
offset += 16;
var index = data[offset++];
var template = Warehouse.getTemplateByClassId(classId, TemplateType.Enum);
if (template != null) {
if (template.definedType != null) {
var enumVal = Warehouse.createInstance(template.definedType!) as IEnum;
enumVal.index = index;
enumVal.name = template.constants[index].name;
enumVal.value = template.constants[index].value;
return new AsyncReply.ready(enumVal);
} else {
return AsyncReply.ready(IEnum(index, template.constants[index].value,
template.constants[index].name));
}
} else {
var reply = new AsyncReply();
if (connection == null)
throw Exception("Can't parse enum with no connection");
connection.getTemplate(classId).then((tmp) {
if (tmp != null) {
if (tmp.definedType != null) {
var enumVal = Warehouse.createInstance(tmp.definedType!) as IEnum;
enumVal.index = index;
enumVal.name = tmp.constants[index].name;
enumVal.value = tmp.constants[index].value;
reply.trigger(enumVal);
} else {
reply.trigger(IEnum(
index, tmp.constants[index].value, tmp.constants[index].name));
}
} else
reply.triggerError(Exception("Template not found for enum"));
}).error((x) => reply.triggerError(x));
return reply;
}
}
static AsyncReply recordListParser(DC data, int offset, int length,
DistributedConnection? connection, List<int>? requestSequence) {
var rt = new AsyncBag();
while (length > 0) {
var parsed = Codec.parse(data, offset, connection, requestSequence);
rt.add(parsed.reply);
if (parsed.size > 0) {
offset += parsed.size;
length -= parsed.size;
} else
throw new Exception("Error while parsing structured data");
}
rt.seal();
return rt;
}
static AsyncReply resourceListParser(DC data, int offset, int length,
DistributedConnection? connection, List<int>? requestSequence) {
var rt = new AsyncBag();
while (length > 0) {
var parsed = Codec.parse(data, offset, connection, requestSequence);
rt.add(parsed.reply);
if (parsed.size > 0) {
offset += parsed.size;
length -= parsed.size;
} else
throw new Exception("Error while parsing structured data");
}
rt.seal();
return rt;
}
static AsyncBag listParser(DC data, int offset, int length,
DistributedConnection? connection, List<int>? requestSequence) {
var rt = new AsyncBag();
while (length > 0) {
var parsed = Codec.parse(data, offset, connection, requestSequence);
rt.add(parsed.reply);
if (parsed.size > 0) {
offset += parsed.size;
length -= parsed.size;
} else
throw new Exception("Error while parsing structured data");
}
rt.seal();
return rt;
}
static AsyncReply typedMapParser(DC data, int offset, int length,
DistributedConnection? connection, List<int>? requestSequence) {
// get key type
var keyRep = RepresentationType.parse(data, offset);
offset += keyRep.size;
length -= keyRep.size;
var valueRep = RepresentationType.parse(data, offset);
offset += valueRep.size;
length -= valueRep.size;
var map = Map();
var rt = new AsyncReply();
var results = new AsyncBag();
while (length > 0) {
var parsed = Codec.parse(data, offset, connection, requestSequence);
results.add(parsed.reply);
if (parsed.size > 0) {
offset += parsed.size;
length -= parsed.size;
} else
throw new Exception("Error while parsing structured data");
}
results.seal();
results.then((ar) {
for (var i = 0; i < ar.length; i += 2) map[ar[i]] = ar[i + 1];
rt.trigger(map);
});
return rt;
}
static AsyncReply tupleParser(DC data, int offset, int length,
DistributedConnection? connection, List<int>? requestSequence) {
var results = new AsyncBag();
var rt = new AsyncReply();
var tupleSize = data[offset++];
length--;
var types = <Type>[];
for (var i = 0; i < tupleSize; i++) {
var rep = RepresentationType.parse(data, offset);
if (rep.type != null) types.add(rep.type.getRuntimeType() ?? Object);
offset += rep.size;
length -= rep.size;
}
while (length > 0) {
var parsed = Codec.parse(data, offset, connection, requestSequence);
results.add(parsed.reply);
if (parsed.size > 0) {
offset += parsed.size;
length -= parsed.size;
} else
throw new Exception("Error while parsing structured data");
}
results.seal();
results.then((ar) {
rt.trigger(Tuple(ar));
});
return rt;
}
static AsyncReply typedListParser(DC data, int offset, int length,
DistributedConnection? connection, List<int>? requestSequence) {
var rt = new AsyncBag();
// get the type
var rep = RepresentationType.parse(data, offset);
offset += rep.size;
length -= rep.size;
var runtimeType = rep.type.getRuntimeType();
rt.arrayType = runtimeType;
while (length > 0) {
var parsed = Codec.parse(data, offset, connection, requestSequence);
rt.add(parsed.reply);
if (parsed.size > 0) {
offset += parsed.size;
length -= parsed.size;
} else
throw new Exception("Error while parsing structured data");
}
rt.seal();
return rt;
}
static AsyncBag<PropertyValue> PropertyValueArrayParser(
DC data,
int offset,
int length,
DistributedConnection? connection,
List<int>? requestSequence) //, bool ageIncluded = true)
{
var rt = new AsyncBag<PropertyValue>();
listParser(data, offset, length, connection, requestSequence).then((x) {
var pvs = <PropertyValue>[];
for (var i = 0; i < x.length; i += 3)
pvs.add(new PropertyValue(x[2], x[0] as int, x[1] as DateTime));
rt.trigger(pvs);
});
return rt;
}
static PropertyValueParserResults propertyValueParser(
DC data,
int offset,
DistributedConnection? connection,
List<int>? requestSequence) //, bool ageIncluded = true)
{
var reply = new AsyncReply<PropertyValue>();
var age = data.getUint64(offset);
offset += 8;
DateTime date = data.getDateTime(offset);
offset += 8;
var parsed = Codec.parse(data, offset, connection, requestSequence);
parsed.reply.then((value) {
reply.trigger(new PropertyValue(value, age, date));
});
return PropertyValueParserResults(16 + parsed.size, reply);
}
static AsyncReply<KeyList<PropertyTemplate, List<PropertyValue>>>
historyParser(DC data, int offset, int length, IResource resource,
DistributedConnection? connection, List<int>? requestSequence) {
throw Exception("Not implemented");
// @TODO
// var list = new KeyList<PropertyTemplate, List<PropertyValue>>();
// var reply = new AsyncReply<KeyList<PropertyTemplate, List<PropertyValue[]>>>();
// var bagOfBags = new AsyncBag<PropertyValue[]>();
// var ends = offset + length;
// while (offset < ends)
// {
// var index = data[offset++];
// var pt = resource.Instance.Template.GetPropertyTemplateByIndex(index);
// list.Add(pt, null);
// var cs = data.GetUInt32(offset);
// offset += 4;
// var (len, pv) = PropertyValueParser(data, offset, connection);
// bagOfBags.Add(pv);// ParsePropertyValueArray(data, offset, cs, connection));
// offset += len;
// }
// bagOfBags.Seal();
// bagOfBags.Then(x =>
// {
// for (var i = 0; i < list.Count; i++)
// list[list.Keys.ElementAt(i)] = x[i];
// reply.Trigger(list);
// });
// return reply;
}
}