protected override bool TryParse(string[] parts, out Statement statement)
{
statement = null;
var setVar = new SetVarStatement();
if (parts.Count(p => p.Length > 0) < 3)
return false;
if(!string.Equals(parts[0], ":setvar", StringComparison.InvariantCultureIgnoreCase))
return false;
setVar.VariableName = parts.Skip(1).First(p => p.Length > 0);
var value = string.Join(" ", parts.Skip(2));
if(value.StartsWith("\"") ^ value.EndsWith("\""))
return false;
value = value.Trim('\"');
setVar.VariableValue = value;
statement = setVar;
return true;
}
protected override bool TryGetStatement(Match match, out Statement statement)
{
statement = null;
var setVar = new SetVarStatement
{
VariableName = match.Groups["name"].Value
};
if(!match.Groups["value"].Success)
return false;
var value = match.Groups["value"].Value.Trim();
if (value.StartsWith("\"") ^ value.EndsWith("\""))
return false;
value = value.Trim('\"');
setVar.VariableValue = value;
statement = setVar;
return true;
}
protected override bool TryGetStatement(Match match, out Statement statement)
{
statement = new NotSupportedStatement
{
StatementType = _statementType
};
return true;
}
public bool TryParse(string commandLine, out Statement statement)
{
statement = null;
var preparedLine = commandLine.Replace("\t", " ").Trim();
var match = _regex.Match(preparedLine);
if (!match.Success)
return false;
if (TryGetStatement(match, out statement))
{
statement.InitialString = commandLine;
return true;
}
return false;
}
protected abstract bool TryGetStatement(Match match, out Statement statement);
protected abstract bool TryParse(string[] parts, out Statement statement);
public bool TryParse(string commandLine, out Statement statement)
{
var preparedLine = commandLine.Replace("\t", " ").Trim();
return TryParse(preparedLine.Split(_separator, StringSplitOptions.None), out statement);
}
protected override bool TryGetStatement(Match match, out Statement statement)
{
statement = _factory();
return statement != null;
}
