private static JsonReader Export(object value)
{
var writer = new JsonBufferWriter();
JsonConvert.Export(value, writer);
return(writer.GetBuffer().CreateReader());
}
static StockJsonBuffers()
{
JsonBufferWriter writer = new JsonBufferWriter(2);
writer.WriteStartObject();
writer.WriteEndObject();
EmptyObject = writer.GetBuffer();
}
static StockJsonBuffers()
{
JsonBufferWriter writer = new JsonBufferWriter(2);
writer.WriteStartObject();
writer.WriteEndObject();
EmptyObject = writer.GetBuffer();
}
public void SubClassCannotExportValueWithNullWriter()
{
var tuple = Tuple.Create(42);
var exporter = new ExportValueTestExporter(tuple.GetType());
exporter.ForceNullWriter = true;
var context = JsonConvert.CreateExportContext();
var writer = new JsonBufferWriter();
exporter.Export(context, tuple, writer);
}
public virtual ObjectConstructionResult CreateObject(ImportContext context)
{
if (context == null) throw new ArgumentNullException("context");
JsonBufferWriter tailw = _tailw;
_tailw = null;
if (tailw != null)
tailw.WriteEndObject();
JsonBuffer tail = (tailw != null ? tailw.GetBuffer() : StockJsonBuffers.EmptyObject);
object obj = OnCreateObject(context);
return new ObjectConstructionResult(obj, tail.CreateReader());
}
public virtual bool Import(ImportContext context, string name, JsonReader reader)
{
if (context == null) throw new ArgumentNullException("context");
if (reader == null) throw new ArgumentNullException("reader");
JsonBufferWriter tailw = _tailw;
if (tailw == null)
{
tailw = _tailw = new JsonBufferWriter();
tailw.WriteStartObject();
}
tailw.WriteMember(name);
tailw.WriteFromReader(reader);
return true;
}
public virtual ObjectConstructionResult CreateObject(ImportContext context)
{
if (context == null)
{
throw new ArgumentNullException(nameof(context));
}
var tailw = _tailw;
_tailw = null;
tailw?.WriteEndObject();
var tail = tailw?.GetBuffer() ?? StockJsonBuffers.EmptyObject;
var obj = OnCreateObject(context);
return(new ObjectConstructionResult(obj, tail.CreateReader()));
}
public virtual ObjectConstructionResult CreateObject(ImportContext context)
{
if (context == null)
{
throw new ArgumentNullException("context");
}
JsonBufferWriter tailw = _tailw;
_tailw = null;
if (tailw != null)
{
tailw.WriteEndObject();
}
JsonBuffer tail = (tailw != null ? tailw.GetBuffer() : StockJsonBuffers.EmptyObject);
object obj = OnCreateObject(context);
return(new ObjectConstructionResult(obj, tail.CreateReader()));
}
public virtual bool Import(ImportContext context, string name, JsonReader reader)
{
if (context == null)
{
throw new ArgumentNullException("context");
}
if (reader == null)
{
throw new ArgumentNullException("reader");
}
JsonBufferWriter tailw = _tailw;
if (tailw == null)
{
tailw = _tailw = new JsonBufferWriter();
tailw.WriteStartObject();
}
tailw.WriteMember(name);
tailw.WriteFromReader(reader);
return(true);
}
public void SubClassCannotExportValueWithNullWriter()
{
var tuple = Tuple.Create(42);
var exporter = new ExportValueTestExporter(tuple.GetType());
exporter.ForceNullWriter = true;
var context = JsonConvert.CreateExportContext();
var writer = new JsonBufferWriter();
exporter.Export(context, tuple, writer);
}
private static JsonReader Export(object value)
{
var writer = new JsonBufferWriter();
JsonConvert.Export(value, writer);
return writer.GetBuffer().CreateReader();
}
private static ObjectConstructionResult TryCreateObject(ImportContext context, ConstructorInfo ctor, NamedJsonBuffer[] members)
{
Debug.Assert(context != null);
Debug.Assert(ctor != null);
Debug.Assert(members != null);
ParameterInfo[] parameters = ctor.GetParameters();
if (parameters.Length > members.Length)
{
return(null);
}
int[] bindings = Bind(context, parameters, members);
int argc = 0;
object[] args = null;
JsonBufferWriter tailw = null;
for (int i = 0; i < bindings.Length; i++)
{
int binding = bindings[i] - 1;
if (binding >= 0)
{
if (args == null)
{
args = new object[parameters.Length];
}
Type type = parameters[binding].ParameterType;
JsonBuffer arg = members[i].Buffer;
args[binding] = context.Import(type, arg.CreateReader());
argc++;
}
else
{
if (tailw == null)
{
tailw = new JsonBufferWriter();
tailw.WriteStartObject();
}
NamedJsonBuffer member = members[i];
tailw.WriteMember(member.Name);
tailw.WriteFromReader(member.Buffer.CreateReader());
}
}
if (tailw != null)
{
tailw.WriteEndObject();
}
if (argc != parameters.Length)
{
return(null);
}
object obj = ctor.Invoke(args);
JsonBuffer tail = tailw != null
? tailw.GetBuffer()
: StockJsonBuffers.EmptyObject;
return(new ObjectConstructionResult(obj, tail.CreateReader()));
}
private static ObjectConstructionResult TryCreateObject(ImportContext context, ConstructorInfo ctor, NamedJsonBuffer[] members)
{
Debug.Assert(context != null);
Debug.Assert(ctor != null);
Debug.Assert(members != null);
ParameterInfo[] parameters = ctor.GetParameters();
if (parameters.Length > members.Length)
return null;
int[] bindings = Bind(context, parameters, members);
int argc = 0;
object[] args = null;
JsonBufferWriter tailw = null;
for (int i = 0; i < bindings.Length; i++)
{
int binding = bindings[i] - 1;
if (binding >= 0)
{
if (args == null)
args = new object[parameters.Length];
Type type = parameters[binding].ParameterType;
JsonBuffer arg = members[i].Buffer;
args[binding] = context.Import(type, arg.CreateReader());
argc++;
}
else
{
if (tailw == null)
{
tailw = new JsonBufferWriter();
tailw.WriteStartObject();
}
NamedJsonBuffer member = members[i];
tailw.WriteMember(member.Name);
tailw.WriteFromReader(member.Buffer.CreateReader());
}
}
if (tailw != null)
tailw.WriteEndObject();
if (argc != parameters.Length)
return null;
object obj = ctor.Invoke(args);
JsonBuffer tail = tailw != null
? tailw.GetBuffer()
: StockJsonBuffers.EmptyObject;
return new ObjectConstructionResult(obj, tail.CreateReader());
}
