Update Lib ChatCmdBuilder

This commit is contained in:
rubenwardy 2019-08-28 18:57:11 +01:00
parent ebf4316594
commit aa0cc1ab53
2 changed files with 116 additions and 41 deletions

View file

@ -19,7 +19,7 @@ globals = {
}
read_globals = {
string = {fields = {"split"}},
string = {fields = {"split", "trim"}},
table = {fields = {"copy", "getn"}},
"dump", "DIR_DELIM",

View file

@ -32,14 +32,28 @@ local function escape(char)
end
end
function ChatCmdBuilder.build(func)
local dprint = function() end
ChatCmdBuilder.types = {
pos = "%(? *(%-?[%d.]+) *, *(%-?[%d.]+) *, *(%-?[%d.]+) *%)?",
text = "(.+)",
number = "(%-?[%d.]+)",
int = "(%-?[%d]+)",
word = "([^ ]+)",
alpha = "([A-Za-z]+)",
modname = "([a-z0-9_]+)",
alphascore = "([A-Za-z_]+)",
alphanumeric = "([A-Za-z0-9]+)",
username = "([A-Za-z0-9-_]+)",
}
function ChatCmdBuilder.build(rfunc)
local cmd = {
_subs = {}
}
function cmd:sub(route, func, def)
print("Parsing " .. route)
function cmd:sub(route, func, _)
dprint("Parsing " .. route)
def = def or {}
if string.trim then
route = string.trim(route)
end
@ -56,25 +70,15 @@ function ChatCmdBuilder.build(func)
local should_be_eos = false
local function finishParam()
if param ~= "" and param_type ~= "" then
print(" - Found param " .. param .. " type " .. param_type)
dprint(" - Found param " .. param .. " type " .. param_type)
if param_type == "pos" then
sub.pattern = sub.pattern .. "%(? *(%-?[%d.]+) *, *(%-?[%d.]+) *, *(%-?[%d.]+) *%)?"
elseif param_type == "text" then
sub.pattern = sub.pattern .. "(*+)"
should_be_eos = true
elseif param_type == "number" then
sub.pattern = sub.pattern .. "([%d.]+)"
elseif param_type == "int" then
sub.pattern = sub.pattern .. "([%d]+)"
else
if param_type ~= "word" then
print("Unrecognised param_type=" .. param_type .. ", using 'word' type instead")
param_type = "word"
end
sub.pattern = sub.pattern .. "([^ ]+)"
local pattern = ChatCmdBuilder.types[param_type]
if not pattern then
error("Unrecognised param_type=" .. param_type)
end
sub.pattern = sub.pattern .. pattern
table.insert(sub.params, param_type)
param = ""
@ -84,6 +88,9 @@ function ChatCmdBuilder.build(func)
-- Iterate through the route to find params
local state = STATE_READY
local catching_space = false
local match_space = " " -- change to "%s" to also catch tabs and newlines
local catch_space = match_space.."+"
for i = 1, #route do
local c = route:sub(i, i)
if should_be_eos then
@ -92,19 +99,33 @@ function ChatCmdBuilder.build(func)
if state == STATE_READY then
if c == ":" then
print(" - Found :, entering param")
dprint(" - Found :, entering param")
state = STATE_PARAM
param_type = "word"
catching_space = false
elseif c:match(match_space) then
print(" - Found space")
if not catching_space then
catching_space = true
sub.pattern = sub.pattern .. catch_space
end
else
catching_space = false
sub.pattern = sub.pattern .. escape(c)
end
elseif state == STATE_PARAM then
if c == ":" then
print(" - Found :, entering param type")
dprint(" - Found :, entering param type")
state = STATE_PARAM_TYPE
param_type = ""
elseif c:match(match_space) then
print(" - Found whitespace, leaving param")
state = STATE_READY
finishParam()
catching_space = true
sub.pattern = sub.pattern .. catch_space
elseif c:match("%W") then
print(" - Found nonalphanum, leaving param")
dprint(" - Found nonalphanum, leaving param")
state = STATE_READY
finishParam()
sub.pattern = sub.pattern .. escape(c)
@ -112,8 +133,14 @@ function ChatCmdBuilder.build(func)
param = param .. c
end
elseif state == STATE_PARAM_TYPE then
if c:match("%W") then
print(" - Found nonalphanum, leaving param type")
if c:match(match_space) then
print(" - Found space, leaving param type")
state = STATE_READY
finishParam()
catching_space = true
sub.pattern = sub.pattern .. catch_space
elseif c:match("%W") then
dprint(" - Found nonalphanum, leaving param type")
state = STATE_READY
finishParam()
sub.pattern = sub.pattern .. escape(c)
@ -122,22 +149,22 @@ function ChatCmdBuilder.build(func)
end
end
end
print(" - End of route")
dprint(" - End of route")
finishParam()
sub.pattern = sub.pattern .. "$"
print("Pattern: " .. sub.pattern)
dprint("Pattern: " .. sub.pattern)
table.insert(self._subs, sub)
end
if func then
func(cmd)
if rfunc then
rfunc(cmd)
end
cmd.run = function(name, param)
cmd.run = function(name, message)
for i = 1, #cmd._subs do
local sub = cmd._subs[i]
local res = { string.match(param, sub.pattern) }
local res = { string.match(message, sub.pattern) }
if #res > 0 then
local pointer = 1
local params = { name }
@ -159,10 +186,16 @@ function ChatCmdBuilder.build(func)
pointer = pointer + 1
end
end
return sub.func(unpack(params))
if table.unpack then
-- lua 5.2 or later
return sub.func(table.unpack(params))
else
-- lua 5.1 or earlier
return sub.func(unpack(params))
end
end
end
print("No matches")
return false, "Invalid command"
end
return cmd
@ -175,7 +208,7 @@ local function run_tests()
return true
end
end)
end))("singleplayer", "bar abc and def") then
end)).run("singleplayer", "bar abc and def") then
error("Test 1 failed")
end
@ -186,7 +219,7 @@ local function run_tests()
return true
end
end)
end)
end).run
if not move("singleplayer", "move player1 to 0,1,2") then
error("Test 2 failed")
end
@ -206,13 +239,13 @@ local function run_tests()
error("Test 7 failed")
end
if not move("singleplayer", "move player1 to ( 0 ,1 ,2)") then
error("Test 7 failed")
error("Test 8 failed")
end
if move("singleplayer", "move player1 to abc,def,sdosd") then
error("Test 8 failed")
error("Test 9 failed")
end
if move("singleplayer", "move player1 to abc def sdosd") then
error("Test 8 failed")
error("Test 10 failed")
end
if not (ChatCmdBuilder.build(function(cmd)
@ -221,9 +254,51 @@ local function run_tests()
return true
end
end)
end))("singleplayer", "does 1 plus 2 equal 3") then
error("Test 9 failed")
end)).run("singleplayer", "does 1 plus 2 equal 3") then
error("Test 11 failed")
end
local checknegint = ChatCmdBuilder.build(function(cmd)
cmd:sub("checknegint :x:int", function(name, x)
return x
end)
end).run
if checknegint("checker","checknegint -2") ~= -2 then
error("Test 12 failed")
end
local checknegnumber = ChatCmdBuilder.build(function(cmd)
cmd:sub("checknegnumber :x:number", function(name, x)
return x
end)
end).run
if checknegnumber("checker","checknegnumber -3.3") ~= -3.3 then
error("Test 13 failed")
end
local checknegpos = ChatCmdBuilder.build(function(cmd)
cmd:sub("checknegpos :pos:pos", function(name, pos)
return pos
end)
end).run
local negpos = checknegpos("checker","checknegpos (-13.3,-4.6,-1234.5)")
if negpos.x ~= -13.3 or negpos.y ~= -4.6 or negpos.z ~= -1234.5 then
error("Test 14 failed")
end
local checktypes = ChatCmdBuilder.build(function(cmd)
cmd:sub("checktypes :int:int :number:number :pos:pos :word:word :text:text", function(name, int, number, pos, word, text)
return int, number, pos.x, pos.y, pos.z, word, text
end)
end).run
local int, number, posx, posy, posz, word, text
int, number, posx, posy, posz, word, text = checktypes("checker","checktypes -1 -2.4 (-3,-5.3,6.12) some text to finish off with")
--dprint(int, number, posx, posy, posz, word, text)
if int ~= -1 or number ~= -2.4 or posx ~= -3 or posy ~= -5.3 or posz ~= 6.12 or word ~= "some" or text ~= "text to finish off with" then
error("Test 15 failed")
end
dprint("All tests passed")
end
if not minetest then
run_tests()