public bool AddFromString(BaseUtils.StringParser p, FromMode fm, Dictionary <string, string> altops = null)
{
Dictionary <string, string> newvars = ReadFromString(p, fm, altops);
if (newvars != null)
{
Add(newvars);
}
return(newvars != null);
}
public ConditionVariables(string s, FromMode fm) //v=1,v=2 no brackets
{
FromString(s, fm);
}
private Dictionary <string, string> ReadFromString(BaseUtils.StringParser p, FromMode fm, Dictionary <string, string> altops = null)
{
Dictionary <string, string> newvars = new Dictionary <string, string>();
while (!p.IsEOL)
{
string varname = p.NextQuotedWord("= ");
if (varname == null)
{
return(null);
}
if (altops != null) // with extended ops, the ops are returned in the altops function, one per variable found
{ // used only with let and set..
if (varname.EndsWith("$+"))
{
varname = varname.Substring(0, varname.Length - 2);
altops[varname] = "$+=";
}
else if (varname.EndsWith("$"))
{
varname = varname.Substring(0, varname.Length - 1);
altops[varname] = "$=";
}
else if (varname.EndsWith("+"))
{
varname = varname.Substring(0, varname.Length - 1);
altops[varname] = "+=";
}
else
{
altops[varname] = "="; // varname is good, it ended with a = or space, default is =
bool dollar = p.IsCharMoveOn('$'); // check for varname space $+
bool add = p.IsCharMoveOn('+');
if (dollar && add)
{
altops[varname] = "$+=";
}
else if (dollar)
{
altops[varname] = "$=";
}
else if (add)
{
altops[varname] = "+=";
}
}
}
if (!p.IsCharMoveOn('='))
{
return(null);
}
string value = (fm == FromMode.OnePerLine) ? p.NextQuotedWordOrLine() : p.NextQuotedWord((fm == FromMode.MultiEntryComma) ? ", " : ",) ");
if (value == null)
{
return(null);
}
newvars[varname] = value;
if (fm == FromMode.MultiEntryCommaBracketEnds && p.PeekChar() == ')') // bracket, stop don't remove.. outer bit wants to check its there..
{
return(newvars);
}
else if (fm == FromMode.OnePerLine && !p.IsEOL) // single entry, must be eol now
{
return(null);
}
else if (!p.IsEOL && !p.IsCharMoveOn(',')) // if not EOL, but not comma, incorrectly formed list
{
return(null);
}
}
return(newvars);
}
public bool FromString(string s, FromMode fm) // string, not bracketed.
{
BaseUtils.StringParser p = new BaseUtils.StringParser(s);
return(FromString(p, fm));
}
