private void ParseMessageFields(Type modelType, MessageConfig cfg, string sourceMsg)
{
IDictionary <int, MessageFieldConfig> configs = new Dictionary <int, MessageFieldConfig>();
List <FieldAttribute> attrs = new List <FieldAttribute>();
attrs.AddRange(GetClassFieldAttributes(modelType));
List <PropertyInfo> propInfos = new List <PropertyInfo>();
for (int i = 0; i < attrs.Count; i++)
{
propInfos.Add(null);
}
foreach (var propInfo in modelType.GetProperties())
{
var attr = GetAttribute <FieldAttribute>(propInfo);
if (attr == null)
{
continue;
}
attrs.Add(attr);
propInfos.Add(propInfo);
}
for (int i = 0; i < attrs.Count; i++)
{
var attr = attrs[i];
string srcMsg = sourceMsg;
if (propInfos[i] != null)
{
srcMsg = "Check attribute for " + propInfos[i].Name + " property of " + modelType.FullName + " class.";
}
MessageFieldConfig ccfg = new MessageFieldConfig();
ccfg.FieldType = attr.FieldClass;
CheckPositiveValue(attr, "Seq", srcMsg);
ccfg.Seq = attr.Seq;
if (attr.FieldType == FieldType.Null)
{
ccfg.Length = 0;
}
else if (attr.FieldType == FieldType.BitMap)
{
CheckPositiveValue(attr, "Length", srcMsg);
ccfg.Length = ((BitMapFieldAttribute)attr).Length;
}
else
{
var attr2 = (PropertyFieldAttribute)attr;
if (!(attr2.Length > 0 ^ attr2.LengthHeader > 0))
{
throw new ConfigParserException(
"Either Length or LengthHeader property of PropertyFieldAttribute must be greater than 0 but NOT BOTH. "
+ srcMsg);
}
if (attr2.Length > 0)
{
ccfg.Length = attr2.Length;
ccfg.LengthHeader = -1;
}
else
{
ccfg.Length = -1;
ccfg.LengthHeader = attr2.LengthHeader;
}
ccfg.FromRequest = attr2.FromRequest;
if (attr2.FieldDelegateClass != null)
{
CheckRequired(attr2, "FieldDelegateMethod", srcMsg);
ccfg.GetFieldBytesFunc = ParseDelegate(typeof(GetFieldBytes <>), attr2.FieldDelegateClass,
attr2.FieldDelegateMethod, srcMsg);
}
}
if (configs.ContainsKey(attr.Seq))
{
throw new ConfigParserException("There are more than one message field whose the same Seq value (Seq=" + attr.Seq
+ "). " + sourceMsg);
}
configs.Add(attr.Seq, ccfg);
}
/*** Sorts the fields based on their sequence number. It ensures we get the field
* from the lowest sequence until the highest one consecutively when they are iterated. ***/
List <int> keys = configs.Keys.ToList();
keys.Sort();
for (int i = 0; i < keys.Count; i++)
{
int iSeq = keys[i];
cfg.Fields.Add(iSeq, configs[iSeq]);
}
}
protected static void HookPropertyToField(ModelPropertyConfig propertyConfig, MessageFieldConfig fieldConfig,
string fieldType)
{
propertyConfig.FieldBit = fieldConfig;
ParameterModifier[] pm = null;// new ParameterModifier[] { };
switch (fieldType.ToLower())
{
case "string":
propertyConfig.GetValueFromBytes = fieldConfig.FieldType.GetProperty("StringValue");
propertyConfig.SetValueFromProperty = fieldConfig.FieldType.GetMethod("SetValue",
BindingFlags.NonPublic | BindingFlags.Public | BindingFlags.Instance,
null, new Type[] { typeof(String) }, pm);
//propertyConfig.SetValueFromProperty = fieldConfig.FieldType.GetMethod("SetValue", new Type[] { typeof(String) });
break;
case "int":
propertyConfig.GetValueFromBytes = fieldConfig.FieldType.GetProperty("IntValue");
propertyConfig.SetValueFromProperty = fieldConfig.FieldType.GetMethod("SetValue",
BindingFlags.NonPublic | BindingFlags.Public | BindingFlags.Instance,
null, new Type[] { typeof(int) }, pm);
//propertyConfig.SetValueFromProperty = fieldConfig.FieldType.GetMethod("SetValue", new Type[] { typeof(int) });
break;
case "decimal":
propertyConfig.GetValueFromBytes = fieldConfig.FieldType.GetProperty("DecimalValue");
propertyConfig.SetValueFromProperty = fieldConfig.FieldType.GetMethod("SetValue",
BindingFlags.NonPublic | BindingFlags.Public | BindingFlags.Instance,
null, new Type[] { typeof(decimal) }, pm);
//propertyConfig.SetValueFromProperty = fieldConfig.FieldType.GetMethod("SetValue", new Type[] { typeof(decimal) });
break;
case "bytes":
propertyConfig.GetValueFromBytes = fieldConfig.FieldType.GetProperty("BytesValue",
BindingFlags.NonPublic | BindingFlags.Public | BindingFlags.Instance);
propertyConfig.SetValueFromProperty = fieldConfig.FieldType.GetMethod("SetValue",
BindingFlags.NonPublic | BindingFlags.Public | BindingFlags.Instance,
null, new Type[] { typeof(byte[]) }, pm);
//propertyConfig.SetValueFromProperty = fieldConfig.FieldType.GetMethod("SetValue", new Type[] { typeof(byte[]) });
break;
}
}
