forked from enlightenment/efl
elua: use string buffer in all places for format plus extra optimizations
This commit is contained in:
parent
a6e50fa9c7
commit
3da9de3d41
|
@ -179,8 +179,6 @@ ffi.cdef [[
|
|||
int isdigit(int c);
|
||||
]]
|
||||
|
||||
local char = string.char
|
||||
local tconc = table.concat
|
||||
local fmt = string.format
|
||||
local pcall = pcall
|
||||
local error = error
|
||||
|
@ -226,6 +224,7 @@ local Str_Buf = ffi.metatype("Str_Buf", {
|
|||
self.len = len + 1
|
||||
end,
|
||||
append_str = function(self, str, strlen)
|
||||
if type(str) == "string" then strlen = strlen or #str end
|
||||
local strp = cast("const char*", str)
|
||||
strlen = strlen or C.strlen(strp)
|
||||
local len = self.len
|
||||
|
@ -240,13 +239,15 @@ local Str_Buf = ffi.metatype("Str_Buf", {
|
|||
|
||||
getmetatable("").__mod = function(fmts, params)
|
||||
if not fmts then return nil end
|
||||
if type(params) ~= "table" then params = { params } end
|
||||
local s = cast("const char*", fmts)
|
||||
local buf = {}
|
||||
local c
|
||||
c, s = s[0], s + 1
|
||||
local argn = 1
|
||||
local nbuf = Str_Buf()
|
||||
if type(params) ~= "table" then
|
||||
params = { params }
|
||||
end
|
||||
|
||||
local buf, nbuf = Str_Buf(), Str_Buf()
|
||||
local s = cast("const char*", fmts)
|
||||
local c, s = s[0], s + 1
|
||||
local argn = 1
|
||||
|
||||
while c ~= 0 do
|
||||
if c == 37 then -- %
|
||||
c, s = s[0], s + 1
|
||||
|
@ -263,9 +264,9 @@ getmetatable("").__mod = function(fmts, params)
|
|||
c, s = s[0], s + 1
|
||||
end
|
||||
if bytes[c] then
|
||||
buf[#buf + 1] = n
|
||||
buf[#buf + 1] = "$"
|
||||
buf[#buf + 1] = char(c)
|
||||
buf:append_str(n)
|
||||
buf:append_char(36) -- $
|
||||
buf:append_char(c)
|
||||
else
|
||||
nbuf:append_char(c)
|
||||
local idx = tonumber(n) or n
|
||||
|
@ -273,7 +274,7 @@ getmetatable("").__mod = function(fmts, params)
|
|||
params[idx])
|
||||
nbuf:clear()
|
||||
if stat then
|
||||
buf[#buf + 1] = val
|
||||
buf:append_str(val)
|
||||
else
|
||||
local argerr = (type(idx) == "number")
|
||||
and ("#" .. idx)
|
||||
|
@ -292,20 +293,20 @@ getmetatable("").__mod = function(fmts, params)
|
|||
params[argn])
|
||||
nbuf:clear()
|
||||
if stat then
|
||||
buf[#buf + 1] = val
|
||||
buf:append_str(val)
|
||||
else
|
||||
error("bad argument #" .. argn .. " to '%' "
|
||||
.. val:match("%(.+%)"), 2)
|
||||
end
|
||||
if c then buf[#buf + 1] = char(c) end
|
||||
if c then buf:append_char(c) end
|
||||
argn = argn + 1
|
||||
end
|
||||
else
|
||||
buf[#buf + 1] = char(c)
|
||||
buf:append_char(c)
|
||||
end
|
||||
c, s = s[0], s + 1
|
||||
end
|
||||
return tconc(buf)
|
||||
return tostr(buf)
|
||||
end
|
||||
|
||||
return M
|
Loading…
Reference in New Issue