public virtual IEnumerable<string> GetAttributesTextFor(FieldInfo field, Usage defaultUsage, ParsingPolicyAttribute[] parsingPolicies)
{
var result = new List<string>();
var fieldType = field.FieldType;
string usageAttribute = null;
bool isForcedUsage = defaultUsage == Usage.ForceRequired || defaultUsage == Usage.ForceOptional;
if (isForcedUsage)
{
if (defaultUsage == Usage.ForceRequired) usageAttribute = AttributeBuilder.GetTextFor<RequiredAttribute>();
else if (defaultUsage == Usage.ForceOptional) usageAttribute = AttributeBuilder.GetTextFor<OptionalAttribute>();
}
else if (fieldType.IsValueType && Nullable.GetUnderlyingType(field.FieldType) == null)
{
usageAttribute = AttributeBuilder.GetTextFor<RequiredAttribute>();
}
else if (Nullable.GetUnderlyingType(field.FieldType) != null)
{
usageAttribute = AttributeBuilder.GetTextFor<OptionalAttribute>();
}
else if (!field.IsDefined<RequiredAttribute>() && !field.IsDefined<OptionalAttribute>())
{
if (defaultUsage == Usage.Required) usageAttribute = AttributeBuilder.GetTextFor<RequiredAttribute>();
else if (defaultUsage == Usage.Optional) usageAttribute = AttributeBuilder.GetTextFor<OptionalAttribute>();
}
if (usageAttribute != null)
result.Add(usageAttribute);
var attributes = field.GetCustomAttributes().ToArray();
var attributesData = field.GetCustomAttributesData();
for (int i = 0; i < attributes.Length; i++)
{
// Skip any usage attributes, if field usage is forced by the calling method.
bool isUsageAttribute = attributes[i] is OptionalAttribute || attributes[i] is RequiredAttribute;
if (isForcedUsage && isUsageAttribute) continue;
// Get c# compatible attribute text.
string attributeText = CommonAttributeTranslator.Translate(attributes[i], attributesData[i], field);
if (attributeText != null)
result.Add(attributeText);
}
return result;
}
private int _getStringLength(FieldInfo fieldInfo)
{
try
{
int length = 0;
foreach (Attribute attr in fieldInfo.GetCustomAttributes(false))
{
if (attr is MaxLengthAttribute)
{
var attributeData = fieldInfo.GetCustomAttributesData();
CustomAttributeData cd = attributeData[0];
length = (int)cd.ConstructorArguments[0].Value;
}
}
return length;
}
catch (Exception)
{
throw;
}
}
static private void AppendFieldInfo(FieldInfo field, StringBuilder sb)
{
sb.Append(".field ");
foreach (var attribute in field.GetCustomAttributesData())
{
AppendCustomAttributeData(attribute, sb);
sb.Append(" ");
}
foreach (var modreq in field.GetRequiredCustomModifiers())
{
sb.Append("modreq(");
AppendType(modreq, sb);
sb.Append(") ");
}
foreach (var modopt in field.GetOptionalCustomModifiers())
{
sb.Append("modopt(");
AppendType(modopt, sb);
sb.Append(") ");
}
if (field.IsPrivate) sb.Append("private ");
if (field.IsPublic) sb.Append("public ");
if (field.IsFamily) sb.Append("family ");
if (field.IsAssembly) sb.Append("assembly ");
if (field.IsFamilyOrAssembly) sb.Append("famorassem ");
if (field.IsFamilyAndAssembly) sb.Append("famandassem ");
if (field.IsInitOnly) sb.Append("initonly ");
if (field.IsLiteral) sb.Append("literal ");
if (field.IsNotSerialized) sb.Append("notserialized ");
if (field.Attributes.HasFlag(FieldAttributes.SpecialName)) sb.Append("specialname ");
if (field.Attributes.HasFlag(FieldAttributes.RTSpecialName)) sb.Append("rtspecialname ");
if (field.IsPinvokeImpl) sb.Append("pinvokeimpl ");
sb.Append(field.IsStatic ? "static " : "instance ");
AppendType(field.FieldType, sb);
sb.Append(" ");
sb.Append(field.Name);
if (field.IsLiteral)
{
AppendValue(field.GetRawConstantValue(), sb);
}
}
public void EnrichField(IProcessingContext context, FieldInfo fieldInfo)
{
GenerateAttributeElements(context, fieldInfo.GetCustomAttributesData());
}
public void validateAttribute(Attribute attr, FieldInfo fInfo)
{
try
{
object obj = fInfo.GetValue(this);
if (attr is RequiredAttribute)
{
if (obj == null)
throw new Exception("RequiredAttribute exception. Required Fields must not equal to null");
if (obj.ToString().Length == 0 )
throw new Exception("RequiredAttribute exception. string lengths must not equal to zero");
}
if (attr is MaxLengthAttribute)
{
var attributeData = fInfo.GetCustomAttributesData();
CustomAttributeData cd = attributeData[0];
int uzunluk = (int)cd.ConstructorArguments[0].Value;
string objString = (string)obj;
if (objString.Length > uzunluk)
throw new Exception("MaxLengthAttribute exception.");
}
}
catch (Exception)
{
throw;
}
}
/// <summary>
/// Convert simple type object to TreeNode
/// </summary>
/// <param name="obj">The object which need to convert</param>
/// <param name="parentobj">The parent object of the object which need to convert</param>
/// <param name="Info">The field Info of the object in parent object</param>
/// <param name="startIndex">The start index of this object in message stream</param>
/// <param name="offset">The offset of this object</param>
/// <returns>The TreeNode with object value information</returns>
public static TreeNode SimpleTypeObjectToNode(object obj, object parentobj, FieldInfo Info, ref int startIndex, out int offset)
{
int os = 0;
TreeNode tn = new TreeNode(string.Format("{0}:{1}", Info.Name, obj.ToString()));
Type type = obj.GetType();
if (Info.GetCustomAttributesData().Count != 0 && Info.GetCustomAttributes(typeof(BitAttribute), false) != null)
{
Type parentType = parentobj.GetType();
FieldInfo[] FieldsInparent = parentType.GetFields();
List<int> FieldsWithBitAttribute = new List<int>();
foreach (FieldInfo f in FieldsInparent)
{
if (f.GetCustomAttributesData().Count != 0 && f.GetCustomAttributes(typeof(BitAttribute), false) != null)
{
BitAttribute attribute = (BitAttribute)f.GetCustomAttributes(typeof(BitAttribute), false)[0];
FieldsWithBitAttribute.Add(attribute.BitLength);
if (f == Info)
break;
}
}
int FieldsBitLength = FieldsWithBitAttribute.Sum();
int[] Fields = FieldsWithBitAttribute.ToArray();
int n = FieldsBitLength / 8;
int r = FieldsBitLength % 8;
int thisFieldBitLength = Fields[Fields.Length - 1];
int thisn = thisFieldBitLength / 8;
int forntEleSum = FieldsBitLength - thisFieldBitLength; // This value indicate the fields sum before this field.
for (int i = FieldsWithBitAttribute.Count - 2; i > 0; i--) // This loop is used to update n and r, if there are fields sum is xompleted bytes, so n and r should subtract the byte length.
{
forntEleSum -= Fields[i];
if (forntEleSum % 8 == 0)
{
n = (FieldsBitLength - forntEleSum) / 8;
r = (FieldsBitLength - forntEleSum) % 8;
}
}
if (FieldsWithBitAttribute.Count != 1 && (FieldsBitLength - thisFieldBitLength) % 8 != 0)
{
startIndex -= 1;
}
if (thisn < n)
{
if ((FieldsBitLength - thisFieldBitLength) % 8 == 0)// This is for bit field which is start from a new byte, but is not the first bit filed in parent field.
{
os += (thisn + 1);
}
else
{
if (r != 0)
os += (thisn + 2);
else
os += (thisn + 1);
}
}
else
{
os += (thisn + 1);
}
}
else
{
if (type.Name == "String")
{
os = ((string)obj).Length * 2;
}
else if (type.Name != "Boolean")
{
os = Marshal.SizeOf(type);
}
else
{
os = sizeof(Boolean);
}
}
Position ps = new Position(startIndex, os);
tn.Tag = ps;
startIndex += os;
offset = os;
return tn;
}
