/// <summary>
/// Method to check an input tokens min and max based on the min and max field attributes
/// </summary>
/// <param name="fieldName">The name of the field</param>
/// <param name="token"></param>
/// <param name="min"></param>
/// <param name="max"></param>
private static void CheckTokenMinMax(Field f, String token)
{
Decimal result, min, max;
if ((!String.IsNullOrEmpty(f.decimalMinimum)) &&
(!String.IsNullOrEmpty(f.decimalMaximum)) &&
(!String.IsNullOrEmpty(token)) &&
#if PocketPC
(ParseAssistant.TryParse(token, out result)) &
(ParseAssistant.TryParse(f.decimalMinimum, out min)) &
(ParseAssistant.TryParse(f.decimalMaximum, out max)))
#else
(Decimal.TryParse(token, out result)) &
(Decimal.TryParse(f.decimalMinimum, out min)) &
(Decimal.TryParse(f.decimalMaximum, out max)))
#endif
{
if (result < min)
{
throw new TDTTranslationException("TDTFieldBelowMinimum Field:" + f.name + " Value:" + token + " Min:" + min.ToString());
}
if (result > max)
{
throw new TDTTranslationException("TDTFieldAboveMaximum Field:" + f.name + " Value:" + token + " Max:" + max.ToString());
}
}
}
/// <summary>
/// Method for processing extract & format rules
/// </summary>
private void ProcessRules(Tuple <Scheme, Level, Option> option, ModeList ruleType, Dictionary <String, String> tokens)
{
if (option.Item2.rule != null)
{
foreach (Rule r in option.Item2.rule)
{
if (r.type == ruleType)
{
// parse the command name & it's parameters
Regex rx = new Regex(@"^(.+?)\((.+?)\)$");
Match m = rx.Match(r.function);
if ((m.Success) &
(m.Groups.Count == 3)) //TODO fix regex to have 2 groups & not a match on the whole expression
{
//TODO Switch to a parser & AST
String functionName = m.Groups[1].Value.ToLower().Trim();
String[] functionParameters = m.Groups[2].Value.Split(',');
//String field1Name = option.Item3.field.Single(f => f.name == functionParameters[0]).name;
Match mx = new Regex(("^[0-9]*$")).Match(functionParameters[0]);
String field1Value;
if (mx.Success)
{
field1Value = functionParameters[0];
}
else
{
field1Value = tokens[functionParameters[0]];
}
switch (functionName)
{
case "tablelookup":
{
// EX: TABLELOOKUP(gs1companyprefixindex,tdt64bitcpi,gs1companyprefixindex,gs1companyprefix)
if (functionParameters[1].Trim().ToLower() == "tdt64bitcpi")
{
tokens.Add(r.newFieldName, _gs1cpi[field1Value]);
}
else
{
throw new TDTTranslationException("TDTFileNotFound " + functionParameters[1] + " auxillary file not found");
}
break;
}
case "length":
{
tokens.Add(r.newFieldName, field1Value.Length.ToString());
break;
}
case "gs1checksum":
{
int checksum;
int weight;
int total = 0;
int len = field1Value.Length;
int d;
for (int i = 0; i < len; i++)
{
if (i % 2 == 0)
{
weight = -3;
}
else
{
weight = -1;
}
d = int.Parse(field1Value.Substring(len - 1 - i, 1)); // kasuga fixed
total += weight * d;
}
checksum = (10 + total % 10) % 10;
tokens.Add(r.newFieldName, checksum.ToString());
break;
}
case "substr":
{
int offset;
#if PocketPC
if (!ParseAssistant.TryParse(functionParameters[1], out offset))
#else
if (!int.TryParse(functionParameters[1], out offset))
#endif
{
offset = int.Parse(tokens[functionParameters[1]]);
}
if (functionParameters.Length == 2)
{
tokens.Add(r.newFieldName, field1Value.Substring(offset));
}
else if (functionParameters.Length == 3)
{
int length;
#if PocketPC
if (!ParseAssistant.TryParse(functionParameters[2], out length))
#else
if (!int.TryParse(functionParameters[2], out length))
#endif
{
length = int.Parse(tokens[functionParameters[2]]);
}
tokens.Add(r.newFieldName, field1Value.Substring(offset, length));
}
break;
}
case "concat":
{
StringBuilder buffer = new StringBuilder();
for (int p1 = 0; p1 < functionParameters.Length; p1++)
{
Match m2 = new Regex(("^\"(.*?)\"$|^'(.*?)'$|^[0-9]*$")).Match(functionParameters[p1]);
if (m2.Success)
{
buffer.Append(functionParameters[p1]);
}
else
{
if (tokens.ContainsKey(functionParameters[p1]))
{
buffer.Append(tokens[functionParameters[p1]]);
}
}
}
tokens.Add(r.newFieldName, buffer.ToString());
break;
}
case "add":
{
int value1 = int.Parse(field1Value);
int value2 = int.Parse(functionParameters[1]);
tokens.Add(r.newFieldName, (value1 + value2).ToString());
break;
}
case "multiply":
{
int value1 = int.Parse(field1Value);
int value2 = int.Parse(functionParameters[1]);
tokens.Add(r.newFieldName, (value1 * value2).ToString());
break;
}
case "divide":
{
int value1 = int.Parse(field1Value);
int value2 = int.Parse(functionParameters[1]);
tokens.Add(r.newFieldName, (value1 / value2).ToString());
break;
}
case "subtract":
{
int value1 = int.Parse(field1Value);
int value2 = int.Parse(functionParameters[1]);
tokens.Add(r.newFieldName, (value1 - value2).ToString());
break;
}
case "mod":
{
int value1 = int.Parse(field1Value);
int value2 = int.Parse(functionParameters[1]);
tokens.Add(r.newFieldName, (value1 % value2).ToString());
break;
}
}
}
}
}
}
}
