jailbreakplusplus/gamemode/util/sh_util.lua

-- ####################################################################################
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-- ##     CASUAL BANANAS CONFIDENTIAL                                                ##
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-- ##     Copyright 2014 (c) Casual Bananas                                          ##
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-- ##     from Casual Bananas                                                        ##
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-- ##     _________________________                                                  ##
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-- ##     Casual Bananas is registered with the "Kamer van Koophandel" (Dutch        ##
-- ##     chamber of commerce) in The Netherlands.                                   ##
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-- ##     Company (KVK) number     : 59449837                                        ##
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-- ####################################################################################



function JB.Util.iterate(tab)
	local wrap = {};
	setmetatable(wrap,{__index = function(self,req)
		return (function(...)
			for _,v in pairs(tab)do
				if not (v[req] and type(v[req]) == "function" ) then continue end

				args={...};
				for i,arg in ipairs(args)do
					if arg == wrap then 
						rawset(args,i,v);
					end
				end
				v[req](unpack(args));

			end
			return wrap;
		end)
	end})
	return wrap;
end

function JB.Util.isValid(...)
	for k,v in ipairs{...}do
		if not IsValid(v) then return false end
	end
	return true;
end

function JB.Util.formatLine(str,size)
	//surface.SetFont( font );
	
	local start = 1;
	local c = 1;	
	local endstr = "";
	local n = 0;
	local lastspace = 0;
	while( string.len( str ) > c )do
		local sub = string.sub( str, start, c );
		if( string.sub( str, c, c ) == " " ) then
			lastspace = c;
		end

		if( surface.GetTextSize( sub ) >= size ) then
			local sub2;
			
			if( lastspace == 0 ) then
				lastspace = c;
			end
			
			if( lastspace > 1 ) then
				sub2 = string.sub( str, start, lastspace - 1 );
				c = lastspace;
			else
				sub2 = string.sub( str, start, c );
			end
			endstr = endstr .. sub2 .. "\n";
			start = c + 1;
			n = n + 1;	
		end
		c = c + 1;
	end
	
	if( start < string.len( str ) ) then
		endstr = endstr .. string.sub( str, start );
	end
	
	return endstr, n;
end

JB.Commands = {};
function JB.Util.addChatCommand(cmd,func)
	JB.Commands[cmd] = {func=func};
end
hook.Add("PlayerSay","JBUtil.PlayerSay.ChatCommands",function(p,t)
	if (p.JBNextCmd and p.JBNextCmd > CurTime()) or not IsValid(p) or not t then return end
	p.JBNextCmd = CurTime()+1; -- prevent spam
	
	local text = t;
	
	if t and ( string.Left(t,1) == "!" or string.Left(t,1) == "/" or string.Left(t,1) == ":") then
		local t = string.Explode(" ",t or "",false);
		t[1] = string.gsub(t[1] or "",string.Left(t[1],1) or "","");

		if t and t[1] then
			local c = string.lower(t[1]);
			if JB.Commands and JB.Commands[c] then
				table.remove(t,1);
				JB.Commands[c].func(p,c,t);

				JB:DebugPrint(p:Nick().." ran chat command '"..text.."'");

				return false
			end
		end

	end
end)