private Object ParseTlv(Type propType, TlvConfig cfg, String tagName, int lengthBytes, Type tlvType,
byte[] bytesValue, String locMsg, bool isAlwaysOneTag, ref int tlvLength)
{
int tagLength = (cfg != null && cfg.TagsCount > 0) ? cfg.GetTag(0).Name.Length
: (tagName.Length > 0 ? tagName.Length : 2);
if (cfg != null && cfg.LengthBytes > 0)
{
lengthBytes = cfg.LengthBytes;
}
if (cfg != null && cfg.ClassType != null)
{
tlvType = cfg.ClassType;
}
IDictionary <String, Object> tagValMap = new Dictionary <String, Object>();
int i = 0;
byte[] bytes;
while (i < bytesValue.Length)
{
CheckTlvToken(i, tagLength, bytesValue, locMsg);
bytes = new byte[tagLength];
Array.Copy(bytesValue, i, bytes, 0, tagLength);
i += tagLength;
String tag = MessageUtility.AsciiArrayToString(bytes);
if (tag == null)
{
throw new MessageParserException("Invalid tag value for a tlv field. Check configuration " + locMsg);
}
CheckTlvToken(i, lengthBytes, bytesValue, locMsg);
bytes = new byte[lengthBytes];
Array.Copy(bytesValue, i, bytes, 0, lengthBytes);
i += lengthBytes;
int len = MessageUtility.AsciiArrayToInt(bytes);
if (len < 0)
{
throw new MessageParserException("Invalid length value for a tlv field. Check configuration " + locMsg);
}
if (len > 0)
{
CheckTlvToken(i, len, bytesValue, locMsg);
bytes = new byte[len];
Array.Copy(bytesValue, i, bytes, 0, len);
i += len;
TlvTagConfig tagCfg = cfg != null?cfg.GetTag(tag) : null;
if (tagCfg != null && tagCfg.BitContent != null)
{
tagValMap[tag] = ParseBitContent(tagCfg.BitContent, bytes);
}
else
{
String value = System.Text.Encoding.ASCII.GetString(bytes);
if (tagCfg != null && tagCfg.Splitter != null)
{
tagValMap[tag] = value.Split(new String[] { tagCfg.Splitter }, StringSplitOptions.None);
}
else
{
tagValMap[tag] = value;
}
}
}
if (isAlwaysOneTag)
{
break;
}
}
tlvLength = i;
if (tagValMap.Count <= 0)
{
return(null);
}
String convertFailedMsg = "Cannot convert a tlv field into the mapped property. Check " + locMsg;
if (tlvType != null && propType.IsAssignableFrom(tlvType))
{
Object propValue = Activator.CreateInstance(tlvType);
foreach (KeyValuePair <String, Object> kvp in tagValMap)
{
PropertyInfo property = tlvType.GetProperty(kvp.Key);
if (property == null)
{
throw new MessageParserException(convertFailedMsg);
}
Object propValue2 = kvp.Value;
if (propValue2 != null)
{
propValue2 = Util.GetAssignableValue(property.PropertyType, kvp.Value);
if (propValue2 == null)
{
throw new MessageParserException(convertFailedMsg);
}
}
property.SetValue(propValue, propValue2, null);
}
return(propValue);
}
else
{
if (tagValMap.Count == 1)
{
foreach (Object value in tagValMap.Values)
{
if (value == null)
{
return(null);
}
Object val = Util.GetAssignableValue(propType, value);
if (val != null)
{
return(val);
}
}
}
if (!propType.IsAssignableFrom(tagValMap.GetType()))
{
Object propValue = Activator.CreateInstance(propType);
foreach (KeyValuePair <String, Object> kvp in tagValMap)
{
PropertyInfo property = propType.GetProperty(kvp.Key);
if (property == null)
{
throw new MessageParserException(convertFailedMsg);
}
Object propValue2 = kvp.Value;
if (propValue2 != null)
{
propValue2 = Util.GetAssignableValue(property.PropertyType, kvp.Value);
if (propValue2 == null)
{
throw new MessageParserException(convertFailedMsg);
}
}
property.SetValue(propValue, propValue2, null);
}
return(propValue);
}
}
return(tagValMap);
}
private byte[] CompileTlv(TlvConfig cfg, String tagName, int lengthBytes, Object obj, String locMsg)
{
int tagLength = (cfg != null && cfg.TagsCount > 0) ? cfg.GetTag(0).Name.Length
: (tagName.Length > 0 ? tagName.Length : 2);
if (cfg != null && cfg.LengthBytes > 0)
{
lengthBytes = cfg.LengthBytes;
}
if (String.IsNullOrEmpty(tagName) && (cfg == null || cfg.TagsCount <= 0))
{
throw new MessageCompilerException(
"Cannot compile a tlv field. It cannot determine the tag ID. Check configuration "
+ locMsg);
}
IList <TlvTagConfig> tagCfgs = null;
if (cfg != null)
{
tagCfgs = cfg.Tags;
}
if (tagCfgs == null)
{
tagCfgs = new List <TlvTagConfig>();
}
if (tagCfgs.Count <= 0)
{
TlvTagConfig tagCfg = new TlvTagConfig();
tagCfg.Name = tagName;
tagCfgs.Add(tagCfg);
}
IDictionary <String, Object> tagMapVal = new Dictionary <String, Object>();
if (obj is IDictionary <String, Object> )
{
IDictionary <String, Object> map = (IDictionary <String, Object>)obj;
foreach (TlvTagConfig tagCfg in tagCfgs)
{
if (map.ContainsKey(tagCfg.Name))
{
tagMapVal[tagCfg.Name] = map[tagCfg.Name];
}
}
}
else if (obj != null)
{
foreach (TlvTagConfig tagCfg in tagCfgs)
{
PropertyInfo property = obj.GetType().GetProperty(tagCfg.Name);
if (property != null)
{
tagMapVal[tagCfg.Name] = property.GetValue(obj, null);
}
}
}
if (tagMapVal.Count <= 0 && tagCfgs.Count == 1)
{
tagMapVal[tagCfgs[0].Name] = obj;
}
StringBuilder sb = new StringBuilder();
foreach (TlvTagConfig tagCfg in tagCfgs)
{
sb.Append(tagCfg.Name);
String len = "0";
String strVal = "";
if (tagMapVal.ContainsKey(tagCfg.Name) && tagMapVal[tagCfg.Name] != null)
{
Object value = tagMapVal[tagCfg.Name];
if (tagCfg.Splitter != null)
{
if (value is IEnumerable <Object> )
{
strVal = Util.Join((IEnumerable <Object>)value, tagCfg.Splitter);
}
else
{
throw new MessageCompilerException(
"Cannot compile a tlv field. The passed value is not an array. Check configuration "
+ locMsg + " for tag " + tagCfg.Name);
}
}
else if (tagCfg.BitContent != null)
{
byte[] val = CompileBitContent(tagCfg.BitContent, value);
strVal = System.Text.Encoding.ASCII.GetString(val);
}
else
{
strVal = value.ToString();
}
}
len = strVal.Length.ToString();
if (len.Length > lengthBytes)
{
throw new MessageCompilerException(
"Cannot compile a tlv field. The length's value is too big more than " + lengthBytes
+ " digits. Check configuration " + locMsg + " for tag " + tagCfg.Name);
}
else if (len.Length < lengthBytes)
{
len = len.PadLeft(lengthBytes, '0');
}
sb.Append(len);
sb.Append(strVal);
}
return(MessageUtility.StringToAsciiArray(sb.ToString()));
}
