/// <summary>
/// Prepares the <see cref="FieldMemberBuilder"/> from the <paramref name="symbol"/>
/// and adds it to <see cref="TypeMemberBuilder.ContentMembers"/>
/// </summary>
/// <param name="symbol">Source <see cref="INamedTypeSymbol"/></param>
/// <param name="root">Builder root</param>
/// <param name="type">Parent <see cref="TypeMemberBuilder"/></param>
/// <param name="level">Hierarchy level (used to indent the console output)</param>
private static void BuildField(IFieldSymbol symbol, RootMemberBuilder root, TypeMemberBuilder type, int level)
{
if (symbol.IsImplicitlyDeclared)
{
return;
}
if (symbol.GetAttributes().Any(a => a.AttributeClassString() == "System.Runtime.CompilerServices.CompilerGeneratedAttribute"))
{
return;
}
var f = new FieldMemberBuilder()
{
Name = symbol.Name,
NameBase = symbol.Name,
Symbol = symbol,
SourceFiles = symbol.DeclaringSyntaxReferences.Select(dsr => dsr.SyntaxTree.FilePath).ToList(),
DocumentationId = symbol.GetDocumentationCommentId(),
DocumentationXml = symbol.GetDocumentationCommentXml(),
Documentation = Documentation.Read(symbol.GetDocumentationCommentXml()),
Modifier = ModifierEnumExtensions.Modifier(symbol.DeclaredAccessibility),
IsAbstract = symbol.IsAbstract,
IsExtern = symbol.IsExtern,
IsSealed = symbol.IsSealed,
IsStatic = symbol.IsStatic,
IsOverride = symbol.IsOverride,
IsVirtual = symbol.IsVirtual,
IsConst = symbol.IsConst,
IsReadOnly = symbol.IsReadOnly,
IsVolatile = symbol.IsVolatile,
ConstantValue = symbol.ConstantValue,
TypeRef = TypeRef.GetOrCreate(symbol.Type, root),
IsNew = symbol.GetIsNew()
};
f.SetAttributes(root);
type.ContentMembers.Add(f);
Console.WriteLine($"{new string(' ', level)} read as {f}");
}
/// <summary>
/// フィールドの処理
/// </summary>
private void ProcessField(StringBuilder source, IFieldSymbol fieldSymbol, ISymbol attributeSymbol)
{
string fieldName = fieldSymbol.Name;
ITypeSymbol fieldType = fieldSymbol.Type;
AttributeData attributeData = fieldSymbol.GetAttributes().Single(ad => ad.AttributeClass.Equals(attributeSymbol, SymbolEqualityComparer.Default));
TypedConstant overridenNameOpt = attributeData.NamedArguments.SingleOrDefault(kvp => kvp.Key == "PropertyName").Value;
string propertyName = chooseName(fieldName, overridenNameOpt);
if (propertyName.Length == 0 || propertyName == fieldName)
{
//TODO: プロパティ名が空か、フィールド名と同名を指定した場合、自動生成できません。
return;
}
// サマリーを抽出します。
var xmlDocument = new XmlDocument();
var xmlComment = fieldSymbol.GetDocumentationCommentXml();
if (!string.IsNullOrEmpty(xmlComment))
{
xmlDocument.LoadXml(xmlComment);
var summaryNode = xmlDocument.SelectSingleNode("member/summary");
var summary = summaryNode?.InnerText?.Replace("\r\n", "");
if (!string.IsNullOrWhiteSpace(summary))
{
source.Append($@"
/// <summary>
/// {summary}
/// </summary>");
}
}
source.Append($@"
public {fieldType} {propertyName}
{{
get => this.{fieldName};
set
{{
this.{fieldName} = value;
this.PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(nameof({propertyName})));
}}
}}
");
string chooseName(string fieldName, TypedConstant overridenNameOpt)
{
if (!overridenNameOpt.IsNull)
{
return(overridenNameOpt.Value.ToString());
}
fieldName = fieldName.TrimStart('_');
if (fieldName.Length == 0)
{
return(string.Empty);
}
if (fieldName.Length == 1)
{
return(fieldName.ToUpper());
}
return(fieldName.Substring(0, 1).ToUpper() + fieldName.Substring(1));
}
}
protected override IEnumerable <Diagnostic> AnalyzeField(IFieldSymbol symbol) => ShallAnalyzeField(symbol)
? AnalyzeField(symbol, symbol.GetDocumentationCommentXml())
: Enumerable.Empty <Diagnostic>();
