public OptionVariable ToOptionVariable(Dictionary <string, string> SbsVarDict)
{
var optnVar = new OptionVariable(this.NameCode, this.NameText);
if (this.ValueEmpty == true)
{
optnVar.ValueEmpty = true;
}
if (this.ValueText != null)
{
optnVar.ValueText = this.ValueText;
}
if (this.ValueBytes != null)
{
optnVar.ValueBytes = this.ValueBytes;
}
// a subsitution variable name is spcfd. Retrieve the value from the
// substitution value dictionary. Apply the value as the value of this variable.
if (this.ValueSubstitute != null)
{
if (SbsVarDict.ContainsKey(this.ValueSubstitute))
{
optnVar.ValueText = SbsVarDict[this.ValueSubstitute];
}
}
return(optnVar);
}
/// <summary>
/// construct an OptionVariable starting at the next byte in the input array.
/// </summary>
/// <param name="ByteArray"></param>
/// <returns></returns>
public static OptionVariable Construct(InputByteArray InputArray)
{
OptionVariable optnVar = null;
if (InputArray.IsEof() == false)
{
var b1 = InputArray.PeekNextByte();
var ev = b1.ToEnvironVarCode();
if (ev != null)
{
var varCode = ev.Value;
if ((varCode == EnvironVarCode.VAR) || (varCode == EnvironVarCode.USERVAR))
{
byte[] valueBytes = null;
bool gotValue = false;
// advance past the VAR or USERVAR code.
InputArray.GetNextByte();
// isolate the name text which follows the VAR or USERVAR code.
// ( return the stop code. But do not consume it. )
var rv = InputArray.GetBytesUntilCode(
new byte[] { 0xff, 0x00, 0x01, 0x02, 0x03 });
var nameBytes = rv.Item1;
var endAccumCode = rv.Item2.ToEnvironVarCode();
// the name text ends with VALUE marker. The text that follows is the text value
// of the variable.
if ((endAccumCode != null) && (endAccumCode.Value == EnvironVarCode.VALUE))
{
gotValue = true;
// advance past the VALUE var code.
InputArray.GetNextByte();
// get the value bytes until end of value code.
var rv2 = InputArray.GetBytesUntilCode(
new byte[] { 0xff, 0x00, 0x01, 0x02, 0x03 });
valueBytes = rv2.Item1;
}
optnVar = new OptionVariable(varCode, nameBytes, valueBytes);
if (gotValue == true)
{
optnVar.ValueEmpty = true;
}
}
}
}
return(optnVar);
}