salty-ircd/source/ircd/message.d

90 lines
1.5 KiB
D

module ircd.message;
import std.string;
import std.functional;
import std.array;
import std.algorithm;
import std.conv;
//TODO: Make this a class
struct Message
{
string prefix;
string command;
string[] parameters;
bool prefixedParameter;
static Message fromString(string line)
{
string prefix = null;
if(line.startsWith(':'))
{
line = line[1 .. $];
prefix = line[0 .. line.indexOf(' ')];
line = line[prefix.length + 1 .. $];
}
//stop early when no space character can be found (message without parameters)
if(!line.canFind(' '))
{
return Message(prefix, line, [], false);
}
auto command = line[0 .. line.indexOf(' ')];
line = line[command.length + 1 .. $];
string[] params = [];
bool prefixedParam;
while(true)
{
if(line.startsWith(':'))
{
params ~= line[1 .. $];
prefixedParam = true;
break;
}
else if(line.canFind(' '))
{
auto param = line[0 .. line.indexOf(' ')];
line = line[param.length + 1 .. $];
params ~= param;
}
else
{
params ~= line;
break;
}
}
return Message(prefix, command, params, prefixedParam);
}
string toString()
{
auto message = "";
if(prefix != null)
{
message = ":" ~ prefix ~ " ";
}
if(parameters.length == 0)
{
return message ~ command;
}
message ~= command ~ " ";
if(parameters.length > 1)
{
message ~= parameters[0 .. $-1].join(' ') ~ " ";
}
if(parameters[$-1].canFind(' ') || prefixedParameter)
{
message ~= ":";
}
message ~= parameters[$-1];
return message;
}
}