internal static string GetPropertyName(AttributeFieldSource source)
{
var fieldName = source.FieldName;
var propName = (fieldName[0] == '_') ? fieldName.Substring(1) : fieldName;
return(propName.ToUpperOnlyFirst());
}
public void Execute(GeneratorExecutionContext context)
{
var attrCode = new MetaTagPropertyGeneratorAttributeTemplate().TransformText();
context.AddSource(AttributeName + ".cs", attrCode);
try
{
if (context.SyntaxReceiver is not SyntaxReceiver receiver)
{
return;
}
foreach (var classDeclaration in receiver.Targets)
{
var model = context.Compilation.GetSemanticModel(classDeclaration.SyntaxTree);
var typeSymbol = model.GetDeclaredSymbol(classDeclaration);
if (typeSymbol is null)
{
continue;
}
var candidateFields = classDeclaration.Members.OfType <FieldDeclarationSyntax>()
.Select(field => (field, model))
.SelectMany(x => x.field.Declaration.Variables.Select(v => (x.field, symbol: x.model.GetDeclaredSymbol(v) as IFieldSymbol)))
.Where(x => x.symbol?.GetAttributes().Any(y => y.AttributeClass?.Name is nameof(MetaTagPropertyGenerator) or AttributeName) ?? false)
.ToArray();
var fieldSource = candidateFields.Select(x => AttributeFieldSource.Create(model, x.field)).ToArray();
if (fieldSource is null)
{
continue;
}
var template = new CodeTemplate(classDeclaration, fieldSource !)
{
Namespace = typeSymbol.ContainingNamespace.ToDisplayString(),
};
var text = template.TransformText();
context.AddSource(typeSymbol.GenerateHintName(), text);
}
}
catch (Exception ex)
{
System.Diagnostics.Trace.WriteLine(ex.ToString());
}
}
internal static bool IsBuiltInType(AttributeFieldSource source) => source.FieldType == AttributeFieldSource.FieldDeclarationType.BuiltIn;
internal static string GetOptionId(AttributeFieldSource source) => "0x" + source.Id.ToString("x4");
internal static string GetOptionKey(AttributeFieldSource source) => source.Key;
internal static string GetMethodName(AttributeFieldSource source) => "GetTagValue_" + (source.FieldType == AttributeFieldSource.FieldDeclarationType.BuiltIn ? source.TypeName : "int");
internal static string GetLoadedFlagName(AttributeFieldSource source) => source.FieldName + "_loaded";
internal static string GetBackingFieldName(AttributeFieldSource source) => source.FieldName;
internal static string GetFieldTypeShortName(AttributeFieldSource source) => source.TypeName.Split('.').Last();
internal static string GetFieldTypeFullName(AttributeFieldSource source) => source.TypeName;
