public void AddDbParameterInfo(string paramName, MemberInfo memberInfo)
{
Func <object, object> valueGetter;
Type memberType;
// 不是属性就必须是字段，不允许其他情况。
var propertyInfo = memberInfo as PropertyInfo;
if (propertyInfo == null)
{
var fieldInfo = (FieldInfo)memberInfo;
valueGetter = FieldAccessorGenerator.CreateGetter(fieldInfo);
memberType = fieldInfo.FieldType;
}
else
{
valueGetter = PropertyAccessorGenerator.CreateGetter(propertyInfo);
memberType = propertyInfo.PropertyType;
}
var info = new DbParameterInfo
{
Name = paramName,
Type = memberType,
ValueGetter = valueGetter
};
_parameterInfos.Add(info);
}
private static MemberSetupInfo BuildSetupInfo(int dataColIndex, Type dataFieldType, MemberInfo memberInfo)
{
var info = new MemberSetupInfo {
Index = dataColIndex
};
var propInfo = memberInfo as PropertyInfo;
if (propInfo != null)
{
var propertyType = propInfo.PropertyType;
var underlyingType = ReflectionUtils.GetUnderlyingType(propertyType);
info.MemberUnderlyingType = underlyingType;
info.NeedConvertType = !propertyType.IsAssignableFrom(dataFieldType);
info.IsEnum = underlyingType.IsEnum;
info.CanBeNull = ReflectionUtils.IsNullable(propertyType);
info.Setter = PropertyAccessorGenerator.CreateSetter(propInfo);
info.MemberName = propInfo.Name;
}
else
{
var fieldInfo = (FieldInfo)memberInfo;
var fieldType = fieldInfo.FieldType;
var underlyingType = ReflectionUtils.GetUnderlyingType(fieldType);
info.MemberUnderlyingType = underlyingType;
info.NeedConvertType = !fieldType.IsAssignableFrom(dataFieldType);
info.IsEnum = underlyingType.IsEnum;
info.CanBeNull = ReflectionUtils.IsNullable(fieldType);
info.Setter = FieldAccessorGenerator.CreateSetter(fieldInfo);
info.MemberName = fieldInfo.Name;
}
return(info);
}
public void AddDbParameterInfo(string paramName, MemberInfo memberInfo)
{
var isPropertyInfo = memberInfo is PropertyInfo;
var memberType = isPropertyInfo
? ((PropertyInfo)memberInfo).PropertyType
: ((FieldInfo)memberInfo).FieldType;
var dbType = DbTypeConvert.LookupDbType(memberType);
if (dbType == DbTypeConvert.NotSupporteDbType)
{
throw new NotSupportedException(string.Format(
"The type {0} can not be converted to a DbType.", memberType));
}
var info = new DbParameterInfo();
info.Name = paramName;
info.DbType = dbType;
info.IsString = memberType == typeof(string);
info.ValueGetter = isPropertyInfo
? PropertyAccessorGenerator.CreateGetter((PropertyInfo)memberInfo)
: FieldAccessorGenerator.CreateGetter((FieldInfo)memberInfo);
_parameterInfos.Add(info);
}
public static void DoPass(RewriteGlobalContext context)
{
foreach (var assemblyContext in context.Assemblies)
{
foreach (var typeContext in assemblyContext.Types)
{
foreach (var fieldContext in typeContext.Fields)
{
if (typeContext.ComputedTypeSpecifics == TypeRewriteContext.TypeSpecifics.BlittableStruct && !fieldContext.OriginalField.IsStatic)
{
continue;
}
var field = fieldContext.OriginalField;
var unmangleFieldName = fieldContext.UnmangledName;
var property = new PropertyDefinition(unmangleFieldName, PropertyAttributes.None,
assemblyContext.RewriteTypeRef(fieldContext.OriginalField.FieldType));
typeContext.NewType.Properties.Add(property);
FieldAccessorGenerator.MakeGetter(field, fieldContext, property, assemblyContext.Imports);
FieldAccessorGenerator.MakeSetter(field, fieldContext, property, assemblyContext.Imports);
}
}
}
}
public static void DoPass(RewriteGlobalContext context)
{
foreach (var assemblyContext in context.Assemblies)
{
foreach (var typeContext in assemblyContext.Types)
{
foreach (var fieldContext in typeContext.Fields)
{
if (typeContext.OriginalType.IsValueType && !fieldContext.OriginalField.IsStatic)
{
continue;
}
var field = fieldContext.OriginalField;
var unmangleFieldName = fieldContext.UnmangledName;
var property = new PropertyDefinition(unmangleFieldName, PropertyAttributes.None,
assemblyContext.RewriteTypeRef(fieldContext.OriginalField.FieldType));
typeContext.NewType.Properties.Add(property);
var getter = FieldAccessorGenerator.MakeGetter(field, fieldContext.PointerField, property);
var setter = FieldAccessorGenerator.MakeSetter(field, fieldContext.PointerField, property);
typeContext.NewType.Methods.Add(getter);
typeContext.NewType.Methods.Add(setter);
}
}
}
}