private EntityInfo EntityParse(string entityFilePath, ProjectInfo projectInfo)
{
string sourceText = File.ReadAllText(entityFilePath);
SyntaxTree tree = CSharpSyntaxTree.ParseText(sourceText);
CompilationUnitSyntax root = tree.GetCompilationUnitRoot();
string @namespace = root.DescendantNodes().OfType <NamespaceDeclarationSyntax>().Single().Name.ToString();//不满足项目命名空间
ClassDeclarationSyntax classDeclarationSyntax = root.DescendantNodes().OfType <ClassDeclarationSyntax>().Single();
string className = classDeclarationSyntax.Identifier.ToString();
BaseListSyntax baseList = classDeclarationSyntax.BaseList;
GenericNameSyntax genericNameSyntax = baseList.DescendantNodes().OfType <SimpleBaseTypeSyntax>()
.First(node => !node.ToFullString().StartsWith("I")) // Not interface
.DescendantNodes().OfType <GenericNameSyntax>()
.FirstOrDefault();
string baseType;
string primaryKey;
if (genericNameSyntax == null)
{
// No generic parameter -> Entity with Composite Keys
baseType = baseList.DescendantNodes().OfType <SimpleBaseTypeSyntax>().Single().Type.ToString();
primaryKey = "long";
}
else
{
// Normal entity
baseType = genericNameSyntax.Identifier.ToString();
primaryKey = genericNameSyntax.DescendantNodes().OfType <TypeArgumentListSyntax>().Single().Arguments[0].ToString();
}
List <PropertyInfo> properties = root.DescendantNodes().OfType <PropertyDeclarationSyntax>()
.Select(prop =>
new PropertyInfo(prop.Type.ToString(), prop.Identifier.Value.ToString())
)
.ToList();
string xmlPath = _settingOptions.BaseDirectory + projectInfo.FullName + ".Core.xml";
string entityRemark = Util.GetEntityRemarkBySummary(xmlPath, properties, @namespace + "." + className);
if (_settingOptions.Areas != null)
{
@namespace = projectInfo.FullName + "." + _settingOptions.Areas + "." + className.Pluralize();
}
else
{
@namespace = projectInfo.FullName + "." + className.Pluralize();
}
string relativeDirectory = @namespace.RemovePreFix(projectInfo.FullName + ".").Replace('.', '/');
EntityInfo entityInfo = new EntityInfo(@namespace, className, baseType, primaryKey, relativeDirectory);
entityInfo.Properties.AddRange(properties);
entityInfo.EntityRemark = entityRemark;
return(entityInfo);
}
private void ProcessProperties([NotNull] ClassDeclarationSyntax classDecl)
{
if (classDecl == null)
{
throw new ArgumentNullException(nameof(classDecl));
}
Transaction tx = Store.TransactionManager.CurrentTransaction == null
? Store.TransactionManager.BeginTransaction()
: null;
try
{
string className = classDecl.Identifier.Text;
ModelRoot modelRoot = Store.ModelRoot();
ModelClass modelClass = Store.Get <ModelClass>().FirstOrDefault(c => c.Name == className);
modelClass.Attributes.Clear();
foreach (PropertyDeclarationSyntax propertyDecl in classDecl.DescendantNodes().OfType <PropertyDeclarationSyntax>())
{
// if the property has a fat arrow expression as its direct descendent, it's a readonly calculated property
// TODO: we should handle this
// but for this release, ignore it
if (propertyDecl.ChildNodes().OfType <ArrowExpressionClauseSyntax>().Any())
{
continue;
}
AccessorDeclarationSyntax getAccessor = (AccessorDeclarationSyntax)propertyDecl.DescendantNodes().FirstOrDefault(node => node.IsKind(SyntaxKind.GetAccessorDeclaration));
AccessorDeclarationSyntax setAccessor = (AccessorDeclarationSyntax)propertyDecl.DescendantNodes().FirstOrDefault(node => node.IsKind(SyntaxKind.SetAccessorDeclaration));
// if there's no getAccessor, why are we bothering?
if (getAccessor == null)
{
continue;
}
string propertyName = propertyDecl.Identifier.ToString();
string propertyType = propertyDecl.Type.ToString();
ModelClass target = modelRoot.Classes.FirstOrDefault(t => t.Name == propertyType);
// is the property type a generic?
// assume it's a list
// TODO: this really isn't a good assumption. Fix later
if (propertyDecl.ChildNodes().OfType <GenericNameSyntax>().Any())
{
GenericNameSyntax genericDecl = propertyDecl.ChildNodes().OfType <GenericNameSyntax>().FirstOrDefault();
List <string> contentTypes = genericDecl.DescendantNodes().OfType <IdentifierNameSyntax>().Select(i => i.Identifier.ToString()).ToList();
// there can only be one generic argument
if (contentTypes.Count != 1)
{
WarningDisplay.Show($"Found {className}.{propertyName}, but its type ({genericDecl.Identifier}<{String.Join(", ", contentTypes)}>) isn't anything expected. Ignoring...");
continue;
}
propertyType = contentTypes[0];
target = modelRoot.Classes.FirstOrDefault(t => t.Name == propertyType);
if (target == null)
{
target = new ModelClass(Store, new PropertyAssignment(ModelClass.NameDomainPropertyId, propertyType));
modelRoot.Classes.Add(target);
}
ProcessAssociation(modelClass, target, propertyDecl, true);
continue;
}
// is the property type an existing ModelClass?
if (target != null)
{
ProcessAssociation(modelClass, target, propertyDecl);
continue;
}
bool propertyShowsNullable = propertyDecl.DescendantNodes().OfType <NullableTypeSyntax>().Any();
// is the property type something we don't know about?
if (!modelRoot.IsValidCLRType(propertyType))
{
// might be an enum. If so, we'll handle it like a CLR type
// if it's nullable, it's definitely an enum, but if we don't know about it, it could be an enum or a class
if (!KnownEnums.Contains(propertyType) && !propertyShowsNullable)
{
// assume it's a class and create the class
target = new ModelClass(Store, new PropertyAssignment(ModelClass.NameDomainPropertyId, propertyType));
modelRoot.Classes.Add(target);
ProcessAssociation(modelClass, target, propertyDecl);
continue;
}
}
// if we're here, it's just a property (CLR or enum)
try
{
// ReSharper disable once UseObjectOrCollectionInitializer
ModelAttribute modelAttribute = new ModelAttribute(Store, new PropertyAssignment(ModelAttribute.NameDomainPropertyId, propertyName))
{
Type = ModelAttribute.ToCLRType(propertyDecl.Type.ToString()).Trim('?'),
Required = propertyDecl.HasAttribute("RequiredAttribute") || !propertyShowsNullable,
Indexed = propertyDecl.HasAttribute("IndexedAttribute"),
IsIdentity = propertyDecl.HasAttribute("KeyAttribute"),
Virtual = propertyDecl.DescendantTokens().Any(t => t.IsKind(SyntaxKind.VirtualKeyword))
};
if (modelAttribute.Type.ToLower() == "string")
{
AttributeSyntax maxLengthAttribute = propertyDecl.GetAttribute("MaxLengthAttribute");
AttributeArgumentSyntax maxLength = maxLengthAttribute?.GetAttributeArguments()?.FirstOrDefault();
if (maxLength != null)
{
modelAttribute.MaxLength = TryParse(maxLength.Expression.ToString(), out int _max) ? _max : -1;
}
AttributeSyntax minLengthAttribute = propertyDecl.GetAttribute("MinLengthAttribute");
AttributeArgumentSyntax minLength = minLengthAttribute?.GetAttributeArguments()?.FirstOrDefault();
if (minLength != null)
{
modelAttribute.MinLength = TryParse(minLength.Expression.ToString(), out int _min) ? _min : 0;
}
}
else
{
modelAttribute.MaxLength = -1;
modelAttribute.MinLength = 0;
}
// if no setAccessor, it's a calculated readonly property
if (setAccessor == null)
{
modelAttribute.Persistent = false;
modelAttribute.ReadOnly = true;
}
modelAttribute.AutoProperty = !getAccessor.DescendantNodes().Any(node => node.IsKind(SyntaxKind.Block)) && !setAccessor.DescendantNodes().Any(node => node.IsKind(SyntaxKind.Block));
modelAttribute.SetterVisibility = setAccessor.Modifiers.Any(m => m.ToString() == "protected")
? SetterAccessModifier.Protected
: setAccessor.Modifiers.Any(m => m.ToString() == "internal")
? SetterAccessModifier.Internal
: SetterAccessModifier.Public;
XMLDocumentation xmlDocumentation = new XMLDocumentation(propertyDecl);
modelAttribute.Summary = xmlDocumentation.Summary;
modelAttribute.Description = xmlDocumentation.Description;
modelClass.Attributes.Add(modelAttribute);
}
catch
{
WarningDisplay.Show($"Could not parse '{className}.{propertyDecl.Identifier}'.");
}
}
}
catch
{
tx = null;
throw;
}
finally
{
tx?.Commit();
}
}