/**
* Appends C# code to compute an unsigned variant's size at runtime.
*/
public static void AppendGetUnsignedVariantSize(ref string code, string varName, string sizeVarName, string sizeVarType, int maxBytes)
{
string gotoLabel = PB.CreateRandomFieldName("guvsgoto");
string i = PB.CreateRandomFieldName("i");
code += " int " + i + ";\r\n";
code += " for (" + i + " = 0; " + i + " < " + Math.Min(maxBytes, 9) + "; " + i + "++) {\r\n";
code += " if ((ulong)" + varName + " < vuBoundaries[" + i + "]) {\r\n";
code += " " + sizeVarName + " = (" + sizeVarType + ")(" + i + " + 1);\r\n";
code += " goto " + gotoLabel + ";\r\n";
code += " }\r\n";
code += " }\r\n";
code += " " + sizeVarName + " = (" + sizeVarType + ")" + i + " + 1;\r\n";
code += " " + gotoLabel + ":\r\n";
}
/**
* Appends C# code to read a collection of serialized objects into the appropriate collection type.
*/
public static void AppendSerializerReadCollection(ref string code, string fieldName, IFieldType elementType, string collectionTypeName, string subfieldName)
{
// Read the list item count
code += " // Read list item count\r\n";
string countFieldName = PB.CreateRandomFieldName("count");
code += " ushort " + countFieldName + ";\r\n";
PBP.AppendReadVUInt16(ref code, countFieldName);
// Continue if the bytes indicate more than zero items.
code += " // Read list items\r\n";
code += " if (" + countFieldName + " > 0) {\r\n";
// The element size is constant if:
// 1) It's a primitive field
// 2) It's not a variant primitive
// 3) It's not a string
// Serialize constant-sized primitives
if ((elementType is PrimitiveFieldType))
{
PrimitiveFieldType primitiveFieldType = (PrimitiveFieldType)elementType;
string cappedElementName = PB.ToCapitalizedCSharpType(primitiveFieldType);
code += " " + fieldName + " = this.instantiator.Acquire" + collectionTypeName + "Of" + cappedElementName + "();\r\n";
string tempFieldName = PB.CreateRandomFieldName("listValue");
code += " " + PB.ToCSharpType(primitiveFieldType) + " " + tempFieldName + ";\r\n";
string i = PB.CreateRandomFieldName("i");
code += " for (int " + i + " = 0; " + i + " < " + countFieldName + "; " + i + "++) {\r\n";
code += " // Read " + primitiveFieldType.PrimitiveType + " list item\r\n";
PBP.AppendReadPrimitive(ref code, tempFieldName, primitiveFieldType.PrimitiveType);
code += " " + fieldName + ".Add(" + tempFieldName + ");\r\n";
code += " }\r\n";
}
// Serialize variable size list elements (incl. references, enums, strings)
else
{
ReferenceFieldType referenceFieldType = (ReferenceFieldType)elementType;
// list<enum>
if (referenceFieldType.Referrable is PatternBufferEnum)
{
PatternBufferEnum e = (PatternBufferEnum)referenceFieldType.Referrable;
string enumName = PB.ToCSharpName(e.Name);
string cappedElementName = PB.ToCapitalizedCSharpType(referenceFieldType);
code += " " + fieldName + " = this.instantiator.Acquire" + collectionTypeName + "Of" + cappedElementName + "();\r\n";
string i = PB.CreateRandomFieldName("i");
code += " for (int " + i + " = 0; " + i + " < " + countFieldName + "; " + i + "++) {\r\n";
code += " " + fieldName + ".Add((" + enumName + ")System.Enum.Parse(typeof(" + enumName + "), enumIndexValueMap[\"" + referenceFieldType.ReferrableName + "\"][bytes[index++]]));\r\n";
code += " }\r\n";
}
// list<something>
else if (referenceFieldType.Referrable is PatternBufferType)
{
PatternBufferType patternBufferType = (PatternBufferType)referenceFieldType.Referrable;
string elementTypeName = PB.ToCSharpType(referenceFieldType);
string cappedElementName = PB.ToCapitalizedCSharpType(referenceFieldType);
code += " " + fieldName + " = this.instantiator.Acquire" + collectionTypeName + "Of" + cappedElementName + "();\r\n";
string i = PB.CreateRandomFieldName("li");
// All objects in the list are the same type
if (patternBufferType.IsFinal)
{
code += " for (int " + i + " = 0; " + i + " < " + countFieldName + "; " + i + "++) {\r\n";
code += " " + fieldName + ".Add((" + elementTypeName + ")Energize(bytes, ref index, " + patternBufferType.TypeId + "));\r\n";
code += " }\r\n";
}
// The objects in the list may be of different types
else
{
code += " for (int " + i + " = 0; " + i + " < " + countFieldName + "; " + i + "++) {\r\n";
code += " " + fieldName + ".Add((" + elementTypeName + ")Energize(bytes, ref index));\r\n";
code += " }\r\n";
}
}
else
{
// what
}
}
code += " }\r\n";
}