private BitContentConfig ParseBitContent(Type bitContentType, string sourceMsg)
{
if (MessageConfigs.BitContents.ContainsKey(bitContentType.FullName))
{
if (MessageConfigs.BitContents[bitContentType.FullName].ClassType != bitContentType)
{
throw new ConfigParserException("There is already BitContent whose type of " + bitContentType.FullName + ". "
+ sourceMsg);
}
return(MessageConfigs.BitContents[bitContentType.FullName]);
}
BitContentConfig cfg = new BitContentConfig();
cfg.Id = bitContentType.FullName;
cfg.ClassType = bitContentType;
ParseBitContentFields(bitContentType, cfg, sourceMsg);
MessageConfigs.BitContents.Add(cfg.Id, cfg);
return(cfg);
}
private void ParseBitContentFields(Type bitContentType, BitContentConfig cfg, string sourceMsg)
{
IList <BitContentFieldAttribute> fields = new List <BitContentFieldAttribute>();
IList <PropertyInfo> properties = new List <PropertyInfo>();
foreach (var propInfo in bitContentType.GetProperties())
{
var attr = GetAttribute <BitContentFieldAttribute>(propInfo);
if (attr == null)
{
continue;
}
fields.Add(attr);
properties.Add(propInfo);
}
int fieldCount = fields.Count;
if (fieldCount <= 0)
{
throw new ConfigParserException("There is no property which defines BitContentFieldAttribute in "
+ bitContentType.FullName + " class. " + sourceMsg);
}
sourceMsg = "Check attribute for {0} property of " + bitContentType.FullName + " class.";
for (int i = 0; i < fieldCount; i++)
{
var ccfg = new BitContentFieldConfig();
var attr = fields[i];
var propInfo = properties[i];
string srcMsg = String.Format(sourceMsg, propInfo.Name);
CheckNonNegativeValue(attr, "Length", srcMsg);
attr.TlvTagName = Trim(attr.TlvTagName);
if (attr.Length <= 0 && IsEmpty(attr.Tlv) && IsEmpty(attr.TlvTagName))
{
throw new ConfigParserException(
"Length must be set to a positive value if Tlv and TlvTagName are not specified. " + srcMsg);
}
if (Encoding.UTF8.GetByteCount(attr.PadChar.ToString()) != 1)
{
throw new ConfigParserException("PadChar must be a valid ASCII character. " + srcMsg);
}
if (IsEmpty(attr.Align))
{
throw new ConfigParserException("Invalid Align value, it must be 'Left' or 'Right'. " + srcMsg);
}
if (Encoding.UTF8.GetByteCount(attr.NullChar.ToString()) != 1)
{
throw new ConfigParserException("NullChar must be a valid ASCII character. " + srcMsg);
}
if (attr.IsOptional && i < fieldCount - 1)
{
throw new ConfigParserException("IsOptional may only be true for the last field of a BitContent class. "
+ srcMsg);
}
if (!IsEmpty(attr.Tlv))
{
ccfg.Tlv = ParseTlv(attr.Tlv, srcMsg);
}
ccfg.PropertyInfo = propInfo;
ccfg.Length = attr.Length;
ccfg.PadChar = MessageUtility.CharToByte(attr.PadChar);
ccfg.Align = attr.Align.ToString().ToLower();
ccfg.NullChar = MessageUtility.CharToByte(attr.NullChar);
ccfg.IsTrim = attr.IsTrim;
ccfg.IsOptional = attr.IsOptional;
ccfg.TlvTagName = attr.TlvTagName;
ccfg.TlvLengthBytes = attr.TlvLengthBytes;
ccfg.TlvClassType = attr.Tlv;
cfg.Fields.Add(ccfg);
}
}
