diff options
Diffstat (limited to 'tex/generic/context/luatex/luatex-core.lua')
| -rw-r--r-- | tex/generic/context/luatex/luatex-core.lua | 72 |
1 files changed, 61 insertions, 11 deletions
diff --git a/tex/generic/context/luatex/luatex-core.lua b/tex/generic/context/luatex/luatex-core.lua index 35005d1c8..6e1b31e96 100644 --- a/tex/generic/context/luatex/luatex-core.lua +++ b/tex/generic/context/luatex/luatex-core.lua @@ -1,18 +1,21 @@ -- luatex-core security and io overloads ........... -- if not modules then modules = { } end modules ['luatex-core'] = { --- version = 1.005, +-- version = 1.080, -- comment = 'companion to luatex', -- author = 'Hans Hagen & Luigi Scarso', -- copyright = 'LuaTeX Development Team', -- } -LUATEXCOREVERSION = 1.005 +LUATEXCOREVERSION = 1.080 -- we reflect the luatex version where changes happened -- This file overloads some Lua functions. The readline variants provide the same -- functionality as LuaTeX <= 1.04 and doing it this way permits us to keep the -- original io libraries clean. Performance is probably even a bit better now. +-- We test for functions already being defined so that we don't overload ones that +-- are provided in the startup script. + local type, next, getmetatable, require = type, next, getmetatable, require local find, gsub, format = string.find, string.gsub, string.format @@ -51,7 +54,7 @@ local function luatex_io_open(name,how) end local function luatex_io_open_readonly(name,how) - if how then + if not how then how = 'r' else how = gsub(how,'[^rb]','') @@ -171,6 +174,8 @@ if saferoption == 1 then lfs.rmdir = installdummy("lfs.rmdir") lfs.mkdir = installdummy("lfs.mkdir") + debug = nil + end if saferoption == 1 or shellescape ~= 1 then @@ -195,16 +200,20 @@ if md5 then local format = string.format local byte = string.byte - function md5.sumhexa(k) - return (gsub(sum(k), ".", function(c) - return format("%02x",byte(c)) - end)) + if not md5.sumhexa then + function md5.sumhexa(k) + return (gsub(sum(k), ".", function(c) + return format("%02x",byte(c)) + end)) + end end - function md5.sumHEXA(k) - return (gsub(sum(k), ".", function(c) - return format("%02X",byte(c)) - end)) + if not md5.sumHEXA then + function md5.sumHEXA(k) + return (gsub(sum(k), ".", function(c) + return format("%02X",byte(c)) + end)) + end end end @@ -367,6 +376,47 @@ do if not loaded.socket then loaded.socket = loaded["socket.core"] end if not loaded.mime then loaded.mime = loaded["mime.core"] end + if not loaded.lfs then loaded.lfs = lfs end + +end + +do + + local lfsattributes = lfs.attributes + local symlinkattributes = lfs.symlinkattributes + + -- these can now be done using lfs (was dead slow before) + + if not lfs.isfile then + function lfs.isfile(name) + local m = lfsattributes(name,"mode") + return m == "file" or m == "link" + end + end + + if not lfs.isdir then + function lfs.isdir(name) + local m = lfsattributes(name,"mode") + return m == "directory" + end + end + + -- shortnames have also be sort of dropped from kpse + + if not lfs.shortname then + function lfs.shortname(name) + return name + end + end + + -- now there is a target field, so ... + + if not lfs.readlink then + function lfs.readlink(name) + return symlinkattributes(name,"target") or nil + end + end + end -- so far |