/// <summary>
/// 字段属性信息
/// </summary>
/// <param name="cp">字段代码位置</param>
/// <param name="fInfo">字段信息</param>
/// <param name="belongEntity">所属实体</param>
public EntityParamField(CodeElementPosition cp, ClrField fInfo, EntityConfig belongEntity)
{
_cp = cp;
_fInfo = fInfo;
GetEntityParamInfo(fInfo);
_belongEntity = belongEntity;
}
public static ClrType GetDeclaringType(this ClrField field, ClrType containingType)
{
if (field.Offset == -1)
{
return(containingType);
}
List <ClrType> types = new List <ClrType>();
ClrType t = containingType;
while (t != null)
{
types.Add(t);
t = t.BaseType;
}
types.Reverse();
foreach (var type in types)
{
if (type.Fields.Any(item => item.Offset == field.Offset))
{
return(type);
}
}
return(containingType);
}
public void NoFieldCachingTest()
{
using DataTarget dt = TestTargets.Types.LoadFullDump();
dt.CacheOptions.CacheFields = false;
dt.CacheOptions.CacheFieldNames = StringCaching.None;
using ClrRuntime runtime = dt.ClrVersions.Single().CreateRuntime();
ClrModule module = runtime.GetModule("sharedlibrary.dll");
ClrType type = module.GetTypeByName("Foo");
Assert.NotEqual(0ul, type.MethodTable); // Sanity test
Assert.NotEqual(type.Fields, type.Fields);
ClrField field = type.GetFieldByName("o");
ClrField field2 = type.Fields.Single(f => f.Name == "o");
Assert.NotSame(field, field2);
Assert.NotSame(field.Name, field.Name);
dt.CacheOptions.CacheFieldNames = StringCaching.Intern;
Assert.Same(field.Name, field.Name);
Assert.Same(field.Name, string.Intern(field.Name));
}
/// <summary>
/// 实体映射
/// </summary>
/// <param name="cp"></param>
/// <param name="fInfo"></param>
/// <param name="belongEntity"></param>
public EntityRelationItem(CodeElementPosition cp, ClrField fInfo, EntityConfig belongEntity)
{
_cp = cp;
_fInfo = fInfo;
//_isParent = GetIsParent(fInfo);
GetInfo(fInfo);
_belongEntity = belongEntity;
}
/// <summary>
/// 获取此字段是否主表属性
/// </summary>
/// <param name="fInfo"></param>
/// <returns></returns>
private static bool GetIsParent(ClrField fInfo)
{
if (fInfo.MemberType != null && fInfo.MemberType.Generic)
{
return(false);
}
return(true);
}
public static bool IsOfObjectReferenceType(this ClrField field)
{
return
(field.ElementType == ClrElementType.String ||
field.ElementType == ClrElementType.Class ||
field.ElementType == ClrElementType.Array ||
field.ElementType == ClrElementType.SZArray ||
field.ElementType == ClrElementType.Object);
}
private static DynamicInstance FromField(object fieldValue, ClrField field, ClrHeap heap)
{
if (field.IsPrimitive || field.Type.IsString)
{
return(new DynamicInstance(fieldValue, field.Type, heap));
}
return(new DynamicInstance((ulong)fieldValue, field.Type, heap));
}
public FieldInfo(ClrField Field)
{
TypeName = Field.Type.Name;
Name = Field.Name;
MethodTable = HeapStatItem.GetMTOfType(Field.Type);
Offset = Field.Offset;
IsStatic = false;
IsThreadStatic = false;
Token = Field.Type.MetadataToken;
}
public static string GetFieldTypeNameTrimmed(this ClrField field, int trim = 16)
{
var fieldTypeName = field.Type == null?field.ElementType.ToString() : field.Type.Name;
if (fieldTypeName.Length > trim)
{
fieldTypeName = "..." + fieldTypeName.Substring(fieldTypeName.Length - trim);
}
return(fieldTypeName);
}
public void PrintFieldVisibility(ClrField field, bool isStatic = false)
{
Write("{0}", field.IsInternal ? "internal " : field.IsProtected ? "protected " : field.IsPrivate ? "private " : field.IsPublic ? "public " : "undefinedvisibility ");
if (isStatic)
{
Write("static ");
}
Write("{0} ", field.Type == null ? "object" : field.Type.Name);
WriteLine("{0};", field.Name);
}
public static bool IsOfPrimitiveType(this ClrField field)
{
return
(field.ElementType != ClrElementType.Struct &&
field.ElementType != ClrElementType.String &&
field.ElementType != ClrElementType.Class &&
field.ElementType != ClrElementType.Array &&
field.ElementType != ClrElementType.SZArray &&
field.ElementType != ClrElementType.Object);
}
/// <summary>
/// 获取字段的配置信息
/// </summary>
/// <param name="fInfo"></param>
private void GetEntityParamInfo(ClrField fInfo)
{
_propertyName = ToPascalName(FieldName);
_paramName = FieldName.Trim('_');
DataTypeInfos info = EntityFieldBase.GetTypeInfo(fInfo);
if (info != null)
{
_dbType = info.DbTypes[0].ToString();
_length = info.DbLength;
}
}
private string DateToString(ClrField field)
{
string stringres = string.Empty;
var dt = DateTimeReader.FromObjToDate(this.Obj, field);
if (dt == DateTime.MinValue)
{
return(string.Format(fieldPrintFormat, field.Name, "[EmptyDate]", Environment.NewLine));
}
var timeSince = MetadataManager.GetDumpTime(this.Obj) - dt;
return(dt.ToString("s") + " ( " + timeSince.ToString("g") + " ago)");
}
// Get the serialization data for this object.
public void GetObjectData(SerializationInfo info,
StreamingContext context)
{
if (info == null)
{
throw new ArgumentNullException("info");
}
if (value_ == IntPtr.Zero)
{
throw new SerializationException
(_("Serialize_StateMissing"));
}
ClrField field = (ClrField)(FieldInfo.GetFieldFromHandle(this));
info.AddValue("FieldObj", field, typeof(ClrField));
}
/// <summary>
/// 初始化字段信息
/// </summary>
private void InitField()
{
List <ClrField> lstFields = GetAllMember <ClrField>(_classType, false);
_fields = new Dictionary <string, CodeElementPosition>();
for (int j = 0; j < lstFields.Count; j++)
{
ClrField field = lstFields[j];
if (field == null)
{
continue;
}
if (field.SourceCodePositions == null)
{
continue;
}
foreach (CodeElementPosition cp in field.SourceCodePositions)
{
if (!IsManyOne(field))
{
EntityParamField epf = new EntityParamField(cp, field, this);
epf.AllowNull = EntityFieldBase.IsNullProperty(field.MemberTypeShortName);
_eParamFields.Add(epf);
}
else
{
EntityRelationItem erf = new EntityRelationItem(cp, field, this);
_eRelation.Add(erf);
}
_fields[field.Name] = cp;
}
_eParamFields.SortItem();
_eRelation.SortItem();
}
_hasConfig = EntityMappingConfig.LoadConfigInfo(this);
}
public void TestInstanceFieldModifiers()
{
using DataTarget dt = TestTargets.NestedTypes.LoadFullDump();
using ClrRuntime runtime = dt.ClrVersions.Single().CreateRuntime();
ClrModule module = runtime.GetModule(TypeTests.NestedTypesModuleName);
ClrType program = module.GetTypeByName("Program");
ClrField publicField = program.GetInstanceFieldByName("publicField");
Assert.True(publicField.IsPublic);
ClrField privateField = program.GetInstanceFieldByName("privateField");
Assert.True(privateField.IsPrivate);
ClrField internalField = program.GetInstanceFieldByName("internalField");
Assert.True(internalField.IsInternal);
ClrField protectedField = program.GetInstanceFieldByName("protectedField");
Assert.True(protectedField.IsProtected);
}
public static bool IsOfValueClass(this ClrField field)
{
return(field.ElementType == ClrElementType.Struct);
}
/// <summary>
/// 获取字段的配置信息
/// </summary>
/// <param name="fInfo"></param>
private void GetInfo(ClrField fInfo)
{
_propertyName = ToPascalName(FieldName);
}
public static bool IsObjectReferenceNotString(this ClrField field)
{
return((field.ElementType != ClrElementType.String) && field.IsObjectReference());
}
private DynamicProxy LinkToStruct(ClrField field)
{
var childAddress = AddressWithoutHeader + (ulong)field.Offset;
return(new DynamicProxy(_heap, childAddress, field.Type));
}
protected virtual void AppendFieldToStringBuilder(StringBuilder sb, ClrField field)
{
Assert.ArgumentNotNull(sb, "stringbuilder");
Assert.ArgumentNotNull(field, "field");
switch (field.ElementType)
{
case ClrElementType.String:
{
sb.AppendFormat(fieldPrintFormat, field.Name, this.Obj.GetStringSafe(field.Name), Environment.NewLine);
break;
}
case ClrElementType.Object:
{
sb.AppendFormat("{0}: {1}: {2}{3}", field.Name, field.Type.Name, this.Obj.GetRefFld(field.Name).HexAddress, Environment.NewLine);
break;
}
case ClrElementType.Int32:
{
sb.AppendFormat(fieldPrintFormat, field.Name, this.Obj.GetSimpleFld <int>(field.Name), Environment.NewLine);
break;
}
case ClrElementType.Int64:
{
sb.AppendFormat(fieldPrintFormat, field.Name, this.Obj.GetSimpleFld <long>(field.Name), Environment.NewLine);
break;
}
case ClrElementType.Boolean:
{
sb.AppendFormat(fieldPrintFormat, field.Name, this.Obj.GetBoolFld(field.Name), Environment.NewLine);
break;
}
case ClrElementType.Double:
{
sb.AppendFormat(fieldPrintFormat, field.Name, this.Obj.GetDoubleFld(field.Name), Environment.NewLine);
break;
}
case ClrElementType.UInt64:
{
sb.AppendFormat(fieldPrintFormat, field.Name, this.Obj.GetUInt64Fld(field.Name), Environment.NewLine);
break;
}
case ClrElementType.Struct:
{
var t = field.Type;
if (t == null)
{
break;
}
// check date
string stringres = string.Empty;
var fld = field.Type.GetFieldByName("dateData");
if (fld != null)
{
stringres = this.DateToString(field);
}
else if (TimeSpanReader.CanRead(this.Obj, field.Name))
{
stringres = TimeSpanReader.Read(this.Obj, field.Name).ToString("g");
}
else
{
break; // Cannot Read anyway =\
}
sb.AppendFormat(fieldPrintFormat, field.Name, stringres, Environment.NewLine);
break;
}
}
sb.AppendLine(string.Empty); // delimitor to simplify reading for human eye
}
/// <summary>
/// Reads date from given object field.
/// </summary>
/// <param name="obj">The object.</param>
/// <param name="fld">The field.</param>
/// <returns></returns>
public static DateTime FromObjToDate(ClrObject obj, ClrField fld)
{
Assert.ArgumentNotNull(fld, "field");
return(FromObjToDate(obj, fld.Name));
}
