private static CodeMemberMethod CreateCreateMessageCodeMemberMethod(IEnumerable <Message> messages, string messagesNamespace, TypeInfo messageTypeEnumTypeInfo, TypeInfo messageInterfaceTypeInfo)
{
string mavTypeParamName = "mavType";
CodeMemberMethod codeMemberMethod = new CodeMemberMethod();
codeMemberMethod.Attributes = MemberAttributes.Public | MemberAttributes.Final | MemberAttributes.Static;
codeMemberMethod.Name = "CreateMessage";
codeMemberMethod.ReturnType = new CodeTypeReference(messageInterfaceTypeInfo.Name);
codeMemberMethod.Parameters.Add(new CodeParameterDeclarationExpression(messageTypeEnumTypeInfo.FullName, mavTypeParamName));
foreach (Message message in messages)
{
string messageClassName = NameHelper.GetMessageClassName(message);
string messageClassFullname = NamespaceHelper.GetFullname(messagesNamespace, messageClassName);
CodeBinaryOperatorExpression equalsExpression = new CodeBinaryOperatorExpression(
new CodeVariableReferenceExpression(mavTypeParamName),
CodeBinaryOperatorType.IdentityEquality,
new CodeTypeReferenceExpression(NamespaceHelper.GetFullname(messageTypeEnumTypeInfo.FullName, message.Name)));
CodeConditionStatement conditionalStatement = new CodeConditionStatement(
equalsExpression,
new CodeMethodReturnStatement(new CodeObjectCreateExpression(messageClassFullname)));
codeMemberMethod.Statements.Add(conditionalStatement);
}
CodeStatement returnNullCodeStatement = new CodeMethodReturnStatement(new CodeSnippetExpression("null"));
codeMemberMethod.Statements.Add(returnNullCodeStatement);
return(codeMemberMethod);
}
private static void AddReadPropertyStatements(CodeMemberMethod codeMemberMethod, Message message, string readerParamName, string messageVariableName, string ns)
{
IEnumerable <MessageField> orderedMessageFields = message.Fields.OrderForSerialization().ToList();
foreach (MessageField messageField in orderedMessageFields)
{
CodePropertyReferenceExpression propertyExpression =
new CodePropertyReferenceExpression(
new CodeVariableReferenceExpression(messageVariableName),
messageField.Name);
switch (messageField.Type.FieldType)
{
case FieldType.Array:
AddArrayReadCodeStatements(codeMemberMethod.Statements, readerParamName, messageField, propertyExpression);
break;
case FieldType.Enum:
string enumFullname = NamespaceHelper.GetFullname(ns, messageField.Type.Enum.Name);
AddEnumReadCodeStatements(codeMemberMethod.Statements, readerParamName, messageField.Type, propertyExpression, enumFullname);
break;
default:
AddPrimitiveReadCodeStatements(codeMemberMethod.Statements, readerParamName, messageField, propertyExpression);
break;
}
}
}
private static CodeMemberMethod CreateGetCrcExtraCodeMemberMethod(IEnumerable <Message> messages, TypeInfo messageTypeEnumTypeInfo)
{
string mavTypeParamName = "mavType";
CodeMemberMethod codeMemberMethod = new CodeMemberMethod();
codeMemberMethod.Attributes = MemberAttributes.Public | MemberAttributes.Final | MemberAttributes.Static;
codeMemberMethod.Name = "GetCrcExtra";
codeMemberMethod.ReturnType = new CodeTypeReference(typeof(byte));
codeMemberMethod.Parameters.Add(new CodeParameterDeclarationExpression(messageTypeEnumTypeInfo.FullName, mavTypeParamName));
foreach (Message message in messages)
{
CodeBinaryOperatorExpression equalsExpression = new CodeBinaryOperatorExpression(
new CodeVariableReferenceExpression(mavTypeParamName),
CodeBinaryOperatorType.IdentityEquality,
new CodeTypeReferenceExpression(NamespaceHelper.GetFullname(messageTypeEnumTypeInfo.FullName, message.Name)));
CodeConditionStatement conditionalStatement = new CodeConditionStatement(
equalsExpression,
new CodeMethodReturnStatement(new CodePrimitiveExpression(message.CrcExtra)));
codeMemberMethod.Statements.Add(conditionalStatement);
}
CodeStatement returnNullCodeStatement = new CodeMethodReturnStatement(new CodeSnippetExpression("Byte.MinValue"));
codeMemberMethod.Statements.Add(returnNullCodeStatement);
return(codeMemberMethod);
}
public static CodeCompileUnit CreateCodeCompileUnit(TypeInfo typeInfo, Message message, TypeInfo messageBaseClassTypeInfo, TypeInfo messageTypeEnumTypeInfo, IDictionary <MessageDefinitions.Data.Enum, TypeInfo> typeInfoByEnum)
{
// Generate the container unit
CodeCompileUnit codeCompileUnit = new CodeCompileUnit();
CodeNamespace globalNamespace = new CodeNamespace(String.Empty);
codeCompileUnit.Namespaces.Add(globalNamespace);
// using
globalNamespace.Imports.Add(new CodeNamespaceImport("System"));
globalNamespace.Imports.Add(new CodeNamespaceImport("System.ComponentModel"));
globalNamespace.Imports.Add(new CodeNamespaceImport("MavLink4Net.Messages.Metadata"));
// Generate the namespace
CodeNamespace codeNamespace = new CodeNamespace(typeInfo.Namespace);
codeCompileUnit.Namespaces.Add(codeNamespace);
string messageTypeEnumValue = NamespaceHelper.GetFullname(messageTypeEnumTypeInfo.FullName, message.Name);
// Declare the class
CodeTypeDeclaration classDeclaration = ToCodeTypeDeclaration(typeInfo, message, messageBaseClassTypeInfo, messageTypeEnumValue, typeInfoByEnum);
// Add class to the namespace
codeNamespace.Types.Add(classDeclaration);
return(codeCompileUnit);
}