diff options
Diffstat (limited to 'luaextra-os.lua')
| -rw-r--r-- | luaextra-os.lua | 300 |
1 files changed, 0 insertions, 300 deletions
diff --git a/luaextra-os.lua b/luaextra-os.lua deleted file mode 100644 index 4f0c0c1..0000000 --- a/luaextra-os.lua +++ /dev/null @@ -1,300 +0,0 @@ -if not modules then modules = { } end modules ['l-os'] = { - version = 1.001, - comment = "companion to luat-lib.mkiv", - author = "Hans Hagen, PRAGMA-ADE, Hasselt NL", - copyright = "PRAGMA ADE / ConTeXt Development Team", - license = "see context related readme files" -} - --- maybe build io.flush in os.execute - -local find, format, gsub = string.find, string.format, string.gsub -local random, ceil = math.random, math.ceil - -local execute, spawn, exec, ioflush = os.execute, os.spawn or os.execute, os.exec or os.execute, io.flush - -function os.execute(...) ioflush() return execute(...) end -function os.spawn (...) ioflush() return spawn (...) end -function os.exec (...) ioflush() return exec (...) end - -function os.resultof(command) - ioflush() -- else messed up logging - local handle = io.popen(command,"r") - if not handle then - -- print("unknown command '".. command .. "' in os.resultof") - return "" - else - return handle:read("*all") or "" - end -end - ---~ os.type : windows | unix (new, we already guessed os.platform) ---~ os.name : windows | msdos | linux | macosx | solaris | .. | generic (new) ---~ os.platform : extended os.name with architecture - -if not io.fileseparator then - if find(os.getenv("PATH"),";") then - io.fileseparator, io.pathseparator, os.type = "\\", ";", os.type or "mswin" - else - io.fileseparator, io.pathseparator, os.type = "/" , ":", os.type or "unix" - end -end - -os.type = os.type or (io.pathseparator == ";" and "windows") or "unix" -os.name = os.name or (os.type == "windows" and "mswin" ) or "linux" - -if os.type == "windows" then - os.libsuffix, os.binsuffix = 'dll', 'exe' -else - os.libsuffix, os.binsuffix = 'so', '' -end - -function os.launch(str) - if os.type == "windows" then - os.execute("start " .. str) -- os.spawn ? - else - os.execute(str .. " &") -- os.spawn ? - end -end - -if not os.times then - -- utime = user time - -- stime = system time - -- cutime = children user time - -- cstime = children system time - function os.times() - return { - utime = os.gettimeofday(), -- user - stime = 0, -- system - cutime = 0, -- children user - cstime = 0, -- children system - } - end -end - -os.gettimeofday = os.gettimeofday or os.clock - -local startuptime = os.gettimeofday() - -function os.runtime() - return os.gettimeofday() - startuptime -end - ---~ print(os.gettimeofday()-os.time()) ---~ os.sleep(1.234) ---~ print (">>",os.runtime()) ---~ print(os.date("%H:%M:%S",os.gettimeofday())) ---~ print(os.date("%H:%M:%S",os.time())) - --- no need for function anymore as we have more clever code and helpers now - -os.resolvers = os.resolvers or { } - -local resolvers = os.resolvers - -local osmt = getmetatable(os) or { __index = function(t,k) t[k] = "unset" return "unset" end } -local osix = osmt.__index - -osmt.__index = function(t,k) - return (resolvers[k] or osix)(t,k) -end - -setmetatable(os,osmt) - -if not os.setenv then - - -- we still store them but they won't be seen in - -- child processes although we might pass them some day - -- using command concatination - - local env, getenv = { }, os.getenv - - function os.setenv(k,v) - env[k] = v - end - - function os.getenv(k) - return env[k] or getenv(k) - end - -end - --- we can use HOSTTYPE on some platforms - -local name, platform = os.name or "linux", os.getenv("MTX_PLATFORM") or "" - -local function guess() - local architecture = os.resultof("uname -m") or "" - if architecture ~= "" then - return architecture - end - architecture = os.getenv("HOSTTYPE") or "" - if architecture ~= "" then - return architecture - end - return os.resultof("echo $HOSTTYPE") or "" -end - -if platform ~= "" then - - os.platform = platform - -elseif os.type == "windows" then - - -- we could set the variable directly, no function needed here - - function os.resolvers.platform(t,k) - local platform, architecture = "", os.getenv("PROCESSOR_ARCHITECTURE") or "" - if find(architecture,"AMD64") then - platform = "mswin-64" - else - platform = "mswin" - end - os.setenv("MTX_PLATFORM",platform) - os.platform = platform - return platform - end - -elseif name == "linux" then - - function os.resolvers.platform(t,k) - -- we sometims have HOSTTYPE set so let's check that first - local platform, architecture = "", os.getenv("HOSTTYPE") or os.resultof("uname -m") or "" - if find(architecture,"x86_64") then - platform = "linux-64" - elseif find(architecture,"ppc") then - platform = "linux-ppc" - else - platform = "linux" - end - os.setenv("MTX_PLATFORM",platform) - os.platform = platform - return platform - end - -elseif name == "macosx" then - - --[[ - Identifying the architecture of OSX is quite a mess and this - is the best we can come up with. For some reason $HOSTTYPE is - a kind of pseudo environment variable, not known to the current - environment. And yes, uname cannot be trusted either, so there - is a change that you end up with a 32 bit run on a 64 bit system. - Also, some proper 64 bit intel macs are too cheap (low-end) and - therefore not permitted to run the 64 bit kernel. - ]]-- - - function os.resolvers.platform(t,k) - -- local platform, architecture = "", os.getenv("HOSTTYPE") or "" - -- if architecture == "" then - -- architecture = os.resultof("echo $HOSTTYPE") or "" - -- end - local platform, architecture = "", os.resultof("echo $HOSTTYPE") or "" - if architecture == "" then - -- print("\nI have no clue what kind of OSX you're running so let's assume an 32 bit intel.\n") - platform = "osx-intel" - elseif find(architecture,"i386") then - platform = "osx-intel" - elseif find(architecture,"x86_64") then - platform = "osx-64" - else - platform = "osx-ppc" - end - os.setenv("MTX_PLATFORM",platform) - os.platform = platform - return platform - end - -elseif name == "sunos" then - - function os.resolvers.platform(t,k) - local platform, architecture = "", os.resultof("uname -m") or "" - if find(architecture,"sparc") then - platform = "solaris-sparc" - else -- if architecture == 'i86pc' - platform = "solaris-intel" - end - os.setenv("MTX_PLATFORM",platform) - os.platform = platform - return platform - end - -elseif name == "freebsd" then - - function os.resolvers.platform(t,k) - local platform, architecture = "", os.resultof("uname -m") or "" - if find(architecture,"amd64") then - platform = "freebsd-amd64" - else - platform = "freebsd" - end - os.setenv("MTX_PLATFORM",platform) - os.platform = platform - return platform - end - -elseif name == "kfreebsd" then - - function os.resolvers.platform(t,k) - -- we sometims have HOSTTYPE set so let's check that first - local platform, architecture = "", os.getenv("HOSTTYPE") or os.resultof("uname -m") or "" - if find(architecture,"x86_64") then - platform = "kfreebsd-64" - else - platform = "kfreebsd-i386" - end - os.setenv("MTX_PLATFORM",platform) - os.platform = platform - return platform - end - -else - - -- platform = "linux" - -- os.setenv("MTX_PLATFORM",platform) - -- os.platform = platform - - function os.resolvers.platform(t,k) - local platform = "linux" - os.setenv("MTX_PLATFORM",platform) - os.platform = platform - return platform - end - -end - --- beware, we set the randomseed - --- from wikipedia: Version 4 UUIDs use a scheme relying only on random numbers. This algorithm sets the --- version number as well as two reserved bits. All other bits are set using a random or pseudorandom --- data source. Version 4 UUIDs have the form xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx with hexadecimal --- digits x and hexadecimal digits 8, 9, A, or B for y. e.g. f47ac10b-58cc-4372-a567-0e02b2c3d479. --- --- as we don't call this function too often there is not so much risk on repetition - -local t = { 8, 9, "a", "b" } - -function os.uuid() - return format("%04x%04x-4%03x-%s%03x-%04x-%04x%04x%04x", - random(0xFFFF),random(0xFFFF), - random(0x0FFF), - t[ceil(random(4))] or 8,random(0x0FFF), - random(0xFFFF), - random(0xFFFF),random(0xFFFF),random(0xFFFF) - ) -end - -local d - -function os.timezone(delta) - d = d or tonumber(tonumber(os.date("%H")-os.date("!%H"))) - if delta then - if d > 0 then - return format("+%02i:00",d) - else - return format("-%02i:00",-d) - end - else - return 1 - end -end |