diff options
Diffstat (limited to 'tex/context/base/mkiv/luat-sta.lua')
| -rw-r--r-- | tex/context/base/mkiv/luat-sta.lua | 211 |
1 files changed, 211 insertions, 0 deletions
diff --git a/tex/context/base/mkiv/luat-sta.lua b/tex/context/base/mkiv/luat-sta.lua new file mode 100644 index 000000000..8b58774d3 --- /dev/null +++ b/tex/context/base/mkiv/luat-sta.lua @@ -0,0 +1,211 @@ +if not modules then modules = { } end modules ['luat-sta'] = { + version = 1.001, + author = "Hans Hagen, PRAGMA-ADE, Hasselt NL", + copyright = "PRAGMA ADE / ConTeXt Development Team", + license = "see context related readme files" +} + +-- this code is used in the updater + +local gmatch, match = string.gmatch, string.match +local type = type + +states = states or { } +local states = states + +states.data = states.data or { } +local data = states.data + +states.hash = states.hash or { } +local hash = states.hash + +states.tag = states.tag or "" +states.filename = states.filename or "" + +function states.save(filename,tag) + tag = tag or states.tag + filename = file.addsuffix(filename or states.filename,'lus') + io.savedata(filename, + "-- generator : luat-sta.lua\n" .. + "-- state tag : " .. tag .. "\n\n" .. + table.serialize(data[tag or states.tag] or {},true) + ) +end + +function states.load(filename,tag) + states.filename = filename + states.tag = tag or "whatever" + states.filename = file.addsuffix(states.filename,'lus') + data[states.tag], hash[states.tag] = (io.exists(filename) and dofile(filename)) or { }, { } +end + +local function set_by_tag(tag,key,value,default,persistent) + local d, h = data[tag], hash[tag] + if d then + if type(d) == "table" then + local dkey, hkey = key, key + local pre, post = match(key,"(.+)%.([^%.]+)$") + if pre and post then + for k in gmatch(pre,"[^%.]+") do + local dk = d[k] + if not dk then + dk = { } + d[k] = dk + elseif type(dk) == "string" then + -- invalid table, unable to upgrade structure + -- hope for the best or delete the state file + break + end + d = dk + end + dkey, hkey = post, key + end + if value == nil then + value = default + elseif value == false then + -- special case + elseif persistent then + value = value or d[dkey] or default + else + value = value or default + end + d[dkey], h[hkey] = value, value + elseif type(d) == "string" then + -- weird + data[tag], hash[tag] = value, value + end + end +end + +local function get_by_tag(tag,key,default) + local h = hash[tag] + if h and h[key] then + return h[key] + else + local d = data[tag] + if d then + for k in gmatch(key,"[^%.]+") do + local dk = d[k] + if dk ~= nil then + d = dk + else + return default + end + end + if d == false then + return false + else + return d or default + end + end + end +end + +states.set_by_tag = set_by_tag +states.get_by_tag = get_by_tag + +function states.set(key,value,default,persistent) + set_by_tag(states.tag,key,value,default,persistent) +end + +function states.get(key,default) + return get_by_tag(states.tag,key,default) +end + +--~ data.update = { +--~ ["version"] = { +--~ ["major"] = 0, +--~ ["minor"] = 1, +--~ }, +--~ ["rsync"] = { +--~ ["server"] = "contextgarden.net", +--~ ["module"] = "minimals", +--~ ["repository"] = "current", +--~ ["flags"] = "-rpztlv --stats", +--~ }, +--~ ["tasks"] = { +--~ ["update"] = true, +--~ ["make"] = true, +--~ ["delete"] = false, +--~ }, +--~ ["platform"] = { +--~ ["host"] = true, +--~ ["other"] = { +--~ ["mswin"] = false, +--~ ["linux"] = false, +--~ ["linux-64"] = false, +--~ ["osx-intel"] = false, +--~ ["osx-ppc"] = false, +--~ ["sun"] = false, +--~ }, +--~ }, +--~ ["context"] = { +--~ ["available"] = {"current", "beta", "alpha", "experimental"}, +--~ ["selected"] = "current", +--~ }, +--~ ["formats"] = { +--~ ["cont-en"] = true, +--~ ["cont-nl"] = true, +--~ ["cont-de"] = false, +--~ ["cont-cz"] = false, +--~ ["cont-fr"] = false, +--~ ["cont-ro"] = false, +--~ }, +--~ ["engine"] = { +--~ ["pdftex"] = { +--~ ["install"] = true, +--~ ["formats"] = { +--~ ["pdftex"] = true, +--~ }, +--~ }, +--~ ["luatex"] = { +--~ ["install"] = true, +--~ ["formats"] = { +--~ }, +--~ }, +--~ ["xetex"] = { +--~ ["install"] = true, +--~ ["formats"] = { +--~ ["xetex"] = false, +--~ }, +--~ }, +--~ ["metapost"] = { +--~ ["install"] = true, +--~ ["formats"] = { +--~ ["mpost"] = true, +--~ ["metafun"] = true, +--~ }, +--~ }, +--~ }, +--~ ["fonts"] = { +--~ }, +--~ ["doc"] = { +--~ }, +--~ ["modules"] = { +--~ ["f-urwgaramond"] = false, +--~ ["f-urwgothic"] = false, +--~ ["t-bnf"] = false, +--~ ["t-chromato"] = false, +--~ ["t-cmscbf"] = false, +--~ ["t-cmttbf"] = false, +--~ ["t-construction-plan"] = false, +--~ ["t-degrade"] = false, +--~ ["t-french"] = false, +--~ ["t-lettrine"] = false, +--~ ["t-lilypond"] = false, +--~ ["t-mathsets"] = false, +--~ ["t-tikz"] = false, +--~ ["t-typearea"] = false, +--~ ["t-vim"] = false, +--~ }, +--~ } + +--~ states.save("teststate", "update") +--~ states.load("teststate", "update") + +--~ print(states.get_by_tag("update","rsync.server","unknown")) +--~ states.set_by_tag("update","rsync.server","oeps") +--~ print(states.get_by_tag("update","rsync.server","unknown")) +--~ states.save("teststate", "update") +--~ states.load("teststate", "update") +--~ print(states.get_by_tag("update","rsync.server","unknown")) |