public static bool TryParseV2(string message, HashSet <string> registeredCommands, out ActionCommand command)
{
command = null;
if (string.IsNullOrEmpty(message))
{
return(false);
}
try
{
// the message needs to start with the keyword after trim leading space.
message = message.TrimStart();
if (!message.StartsWith(_commandKey))
{
return(false);
}
// Get the index of the separator between the command info and the data.
int endIndex = message.IndexOf(_commandKey, _commandKey.Length);
if (endIndex < 0)
{
return(false);
}
// Get the command info (command and properties).
int cmdIndex = _commandKey.Length;
string cmdInfo = message.Substring(cmdIndex, endIndex - cmdIndex);
// Get the command name
int spaceIndex = cmdInfo.IndexOf(' ');
string commandName =
spaceIndex < 0
? cmdInfo
: cmdInfo.Substring(0, spaceIndex);
if (registeredCommands.Contains(commandName))
{
// Initialize the command.
command = new ActionCommand(commandName);
}
else
{
return(false);
}
// Set the properties.
if (spaceIndex > 0)
{
string propertiesStr = cmdInfo.Substring(spaceIndex + 1).Trim();
string[] splitProperties = propertiesStr.Split(new[] { ',' }, StringSplitOptions.RemoveEmptyEntries);
foreach (string propertyStr in splitProperties)
{
string[] pair = propertyStr.Split(new[] { '=' }, count: 2, options: StringSplitOptions.RemoveEmptyEntries);
if (pair.Length == 2)
{
command.Properties[pair[0]] = UnescapeProperty(pair[1]);
}
}
}
command.Data = UnescapeData(message.Substring(endIndex + _commandKey.Length));
return(true);
}
catch
{
command = null;
return(false);
}
}
public static bool TryParse(string message, HashSet <string> registeredCommands, out ActionCommand command)
{
command = null;
if (string.IsNullOrEmpty(message))
{
return(false);
}
try
{
// Get the index of the prefix.
int prefixIndex = message.IndexOf(Prefix);
if (prefixIndex < 0)
{
return(false);
}
// Get the index of the separator between the command info and the data.
int rbIndex = message.IndexOf(']', prefixIndex);
if (rbIndex < 0)
{
return(false);
}
// Get the command info (command and properties).
int cmdIndex = prefixIndex + Prefix.Length;
string cmdInfo = message.Substring(cmdIndex, rbIndex - cmdIndex);
// Get the command name
int spaceIndex = cmdInfo.IndexOf(' ');
string commandName =
spaceIndex < 0
? cmdInfo
: cmdInfo.Substring(0, spaceIndex);
if (registeredCommands.Contains(commandName))
{
// Initialize the command.
command = new ActionCommand(commandName);
}
else
{
return(false);
}
// Set the properties.
if (spaceIndex > 0)
{
string propertiesStr = cmdInfo.Substring(spaceIndex + 1);
string[] splitProperties = propertiesStr.Split(new[] { ';' }, StringSplitOptions.RemoveEmptyEntries);
foreach (string propertyStr in splitProperties)
{
string[] pair = propertyStr.Split(new[] { '=' }, count: 2, options: StringSplitOptions.RemoveEmptyEntries);
if (pair.Length == 2)
{
command.Properties[pair[0]] = Unescape(pair[1]);
}
}
}
command.Data = Unescape(message.Substring(rbIndex + 1));
return(true);
}
catch
{
command = null;
return(false);
}
}