private bool TryReadProperty(string streamName, string dataName, Property property, List <Property> properties, CodeBuilder builder, SyntaxProvider syntaxProvider, Method readMethod = null)
{
if (readMethod is null)
{
syntaxProvider.Methods.TryGetReadMethod(property, out readMethod);
}
var context = new MethodBuildingContext(streamName, dataName, property, properties, builder, readMethod, syntaxProvider.Methods, syntaxProvider.Context);
if (property.Reading.Execute(context))
{
return(true);
}
// Attributes behavior
for (int i = 0; i < property.Attributes.Length; i++)
{
if (property.Attributes[i].ModifyDeserialization(context))
{
property.Read.Execute(context);
return(true);
}
}
// Default behavior
if (readMethod is null)
{
ReportMissingMethod(syntaxProvider, property, "deserialization");
return(false);
}
builder.Line($"{dataName} = {streamName}.{readMethod}();");
property.Read.Execute(context);
return(true);
}
private bool TrySerializeProperty(string streamName, Property property, List <Property> properties, CodeBuilder builder, SyntaxProvider syntaxProvider, Method writeMethod = null)
{
if (writeMethod is null)
{
syntaxProvider.Methods.TryGetWriteMethod(property, out writeMethod);
}
var context = new MethodBuildingContext(streamName, property.Name, property, properties, builder, writeMethod, syntaxProvider.Methods, syntaxProvider.Context);
if (property.Writing.Execute(context))
{
return(true);
}
// Attributes behavior
for (int i = 0; i < property.Attributes.Length; i++)
{
if (property.Attributes[i].ModifySerialization(context))
{
property.Written.Execute(context);
return(true);
}
}
// Default behavior
if (writeMethod is null)
{
ReportMissingMethod(syntaxProvider, property, "serialization");
return(false);
}
builder.Line($"{streamName}.{writeMethod}({property});");
property.Written.Execute(context);
return(true);
}
public override bool ModifyCollectionPrefixSerialization(MethodBuildingContext context)
{
if (!context.MethodsRegistry.TryGetWriteMethod(context.Property.CloneWithType(Type), out Method writeMethod))
{
DiagnosticHelper.ReportDiagnostic(context.GeneratorContext, DiagnosticSeverity.Warning, "There is no write method for this type, attribute will be ignored.", syntax);
return(false);
}
context.CodeBuilder.Line($"{context.StreamName}.{writeMethod}(({Type}){context.DataName}.{context.Property.Length});");
return(true);
}
public override bool ModifyCollectionPrefixDeserialization(MethodBuildingContext context)
{
if (Length < 0)
{
DiagnosticHelper.ReportDiagnostic(context.GeneratorContext, DiagnosticSeverity.Warning, "Length must be a non-negative number. Attribute will be ignored.", syntax);
return(false);
}
context.CodeBuilder.Line($"{context.DataName} = {context.Property.NewCollection(Length.ToString())}");
return(true);
}
public override bool ModifyCollectionPrefixSerialization(MethodBuildingContext context)
{
if (Length < 0)
{
DiagnosticHelper.ReportDiagnostic(context.GeneratorContext, DiagnosticSeverity.Warning, "Length must be a non-negative number. Attribute will be ignored.", syntax);
return(false);
}
// Doesn't write length prefix
return(true);
}
public override bool ModifyCollectionPrefixDeserialization(MethodBuildingContext context)
{
if (!context.MethodsRegistry.TryGetReadMethod(context.Property.CloneWithType(Type), out Method readMethod))
{
DiagnosticHelper.ReportDiagnostic(context.GeneratorContext, DiagnosticSeverity.Warning, "There is no read method for this type, attribute will be ignored.", syntax);
return(false);
}
string getLength = $"{context.StreamName}.{readMethod}()";
context.CodeBuilder.Line($"{context.DataName} = {context.Property.NewCollection(getLength)};");
return(true);
}
public static bool Execute(this PreactionCallback callback, MethodBuildingContext context)
{
if (callback is null)
{
return(false);
}
foreach (PreactionCallback subcallback in callback.GetInvocationList())
{
if (subcallback(context))
{
return(true);
}
}
return(false);
}
public override bool ModifyDeserialization(MethodBuildingContext context)
{
if (!context.MethodsRegistry.TryGetReadMethod(context.Property.CloneWithType(Type), out Method readMethod))
{
DiagnosticHelper.ReportDiagnostic(context.GeneratorContext, DiagnosticSeverity.Warning, "There is no read method for this type, attribute will be ignored.", syntax);
return(false);
}
if (context.Property.IsGeneric)
{
context.CodeBuilder.Line($"var temp = {context.StreamName}.{readMethod}();");
context.CodeBuilder.Line($"{context.DataName} = Unsafe.As<{readMethod.Type}, {context.Property.Type}>(ref temp);");
}
else
{
context.CodeBuilder.Line($"{context.DataName} = ({context.Property.Type}){context.StreamName}.{readMethod}();");
}
return(true);
}
public static void Execute(this PostactionCallback callback, MethodBuildingContext context)
{
callback?.Invoke(context);
}
public virtual bool ModifyCollectionPrefixDeserialization(MethodBuildingContext context)
{
return(false);
}
public virtual bool ModifySerialization(MethodBuildingContext context)
{
return(false);
}
private bool TryReadPropertyCollection(string streamName, string dataName, Property property, List <Property> properties, CodeBuilder builder, SyntaxProvider syntaxProvider)
{
// If there is a method for writing the whole collection, use it instead
if (syntaxProvider.Methods.TryGetReadMethod(property, collection: true, out Method collectionReadMethod))
{
return(TryReadProperty(streamName, dataName, property, properties, builder, syntaxProvider, collectionReadMethod));
}
syntaxProvider.Methods.TryGetReadMethod(varInt, out Method readMethod);
var context = new MethodBuildingContext(streamName, dataName, property, properties, builder, readMethod, syntaxProvider.Methods, syntaxProvider.Context);
if (property.Reading.Execute(context))
{
return(true);
}
// Attributes behavior
for (int i = 0; i < property.Attributes.Length; i++)
{
if (property.Attributes[i].ModifyCollectionPrefixDeserialization(context))
{
goto LOOP;
}
}
// Default behavior
if (readMethod is null)
{
ReportMissingMethod(syntaxProvider, property, "deserialization");
return(false);
}
string getLength = $"{streamName}.{readMethod}()";
builder.Line($"{dataName} = {property.NewCollection(getLength)};");
LOOP:
builder.Statement($"for (int i = 0; i < {dataName}.{property.Length}; i++)");
context = new MethodBuildingContext(streamName, dataName + "[i]", property, properties, builder, readMethod, syntaxProvider.Methods, syntaxProvider.Context);
// Attributes behavior
for (int i = 0; i < property.Attributes.Length; i++)
{
if (property.Attributes[i].ModifyDeserialization(context))
{
goto END_LOOP;
}
}
// Default behavior
if (readMethod is null)
{
ReportMissingMethod(syntaxProvider, property, "deserialization");
return(false);
}
builder.Line($"{dataName}[i] = {streamName}.{readMethod}();");
END_LOOP:
builder.EndScope();
property.Read.Execute(context);
return(true);
}
private bool TrySerializePropertyCollection(string streamName, Property property, List <Property> properties, CodeBuilder builder, SyntaxProvider syntaxProvider)
{
// If there is a method for writing the whole collection, use it instead
if (syntaxProvider.Methods.TryGetWriteMethod(property, collection: true, out Method collectionWriteMethod))
{
return(TrySerializeProperty(streamName, property, properties, builder, syntaxProvider, collectionWriteMethod));
}
syntaxProvider.Methods.TryGetWriteMethod(varInt, out Method writeMethod);
var context = new MethodBuildingContext(streamName, property.Name, property, properties, builder, writeMethod, syntaxProvider.Methods, syntaxProvider.Context);
if (property.Writing.Execute(context))
{
return(true);
}
// Attributes behavior
for (int i = 0; i < property.Attributes.Length; i++)
{
if (property.Attributes[i].ModifyCollectionPrefixSerialization(context))
{
goto LOOP;
}
}
// Default behavior
if (writeMethod is null)
{
ReportMissingMethod(syntaxProvider, property, "serialization");
return(false);
}
builder.Line($"{streamName}.{writeMethod}({property}.{property.Length});");
LOOP:
property.Written.Execute(context);
// Begin the for loop
builder.Statement($"for (int i = 0; i < {property}.{property.Length}; i++)");
syntaxProvider.Methods.TryGetWriteMethod(property, out writeMethod);
context = new MethodBuildingContext(streamName, property.Name + "[i]", property, properties, builder, writeMethod, syntaxProvider.Methods, syntaxProvider.Context);
// Attributes behavior
for (int i = 0; i < property.Attributes.Length; i++)
{
if (property.Attributes[i].ModifySerialization(context))
{
goto END_LOOP;
}
}
// Default behavior
if (writeMethod is null)
{
ReportMissingMethod(syntaxProvider, property, "serialization");
return(false);
}
builder.Line($"{streamName}.{writeMethod}({property}[i]);");
END_LOOP:
builder.EndScope();
property.Written.Execute(context);
return(true);
}
