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path: root/tex/context/base/mult-ini.lua
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if not modules then modules = { } end modules ['mult-ini'] = {
    version   = 1.001,
    comment   = "companion to mult-ini.mkiv",
    author    = "Hans Hagen, PRAGMA-ADE, Hasselt NL",
    copyright = "PRAGMA ADE / ConTeXt Development Team",
    license   = "see context related readme files"
}

local format, gmatch, gsub = string.format, string.gmatch, string.gsub
local lpegmatch = lpeg.match
local serialize = table.serialize

interfaces           = interfaces           or { }
interfaces.messages  = interfaces.messages  or { }
interfaces.constants = interfaces.constants or { }
interfaces.variables = interfaces.variables or { }

storage.register("interfaces/messages",  interfaces.messages,  "interfaces.messages" )
storage.register("interfaces/constants", interfaces.constants, "interfaces.constants")
storage.register("interfaces/variables", interfaces.variables, "interfaces.variables")

interfaces.interfaces = {
    "cs", "de", "en", "fr", "it", "nl", "ro", "pe",
}

storage.shared.currentinterface = storage.shared.currentinterface or "en"
storage.shared.currentresponse  = storage.shared.currentresponse  or "en"

function interfaces.setuserinterface(interface,response)
    storage.shared.currentinterface = interface
    storage.shared.currentresponse  = response
end

local messages, constants, variables = interfaces.messages, interfaces.constants, interfaces.variables

function interfaces.setmessages(category,str)
    local m = messages[category] or { }
    for k, v in gmatch(str,"(%S+) *: *(.-) *[\n\r]") do
        m[k] = gsub(v,"%-%-","%%s")
    end
    messages[category] = m
end

function interfaces.setmessage(category,tag,message)
    local m = messages[category]
    if not m then
        m = { }
        messages[category] = m
    end
    m[tag] = gsub(message,"%-%-","%%s")
end

function interfaces.getmessage(category,tag,default)
    local m = messages[category]
    return (m and m[tag]) or default or "unknown message"
end

function interfaces.doifelsemessage(category,tag)
    local m = messages[category]
    return commands.testcase(m and m[tag])
end

local messagesplitter = lpeg.splitat(",")

function interfaces.makemessage(category,tag,arguments)
    local m = messages[category]
    m = (m and (m[tag] or m[tostring(tag)])) or format("unknown message, category '%s', tag '%s'",category,tag)
    if not m then
        return m .. " " .. tag
    elseif not arguments then
        return m
    else
        return format(m,lpegmatch(messagesplitter,arguments))
    end
end

function interfaces.showmessage(category,tag,arguments)
    local m = messages[category]
    commands.writestatus((m and m.title) or "unknown title",interfaces.makemessage(category,tag,arguments))
end

function interfaces.setvariable(variable,given)
--~     variables[given] = variable
    variables[variable] = given
end

function interfaces.setconstant(constant,given)
    constants[given] = constant
end

-- it's nicer to have numbers as reference than a hash

interfaces.cachedsetups = interfaces.cachedsetups or { }
interfaces.hashedsetups = interfaces.hashedsetups or { }

storage.register("interfaces/cachedsetups", interfaces.cachedsetups, "interfaces.cachedsetups")
storage.register("interfaces/hashedsetups", interfaces.hashedsetups, "interfaces.hashedsetups")

local cachedsetups = interfaces.cachedsetups
local hashedsetups = interfaces.hashedsetups

function interfaces.cachesetup(t)
    local hash = serialize(t)
    local done = hashedsetups[hash]
    if done then
        return cachedsetups[done]
    else
        done = #cachedsetups + 1
        cachedsetups[done] = t
        hashedsetups[hash] = done
        return t
    end
end

function interfaces.is_command(str)
    return (str and str ~= "" and token.csname_name(token.create(str)) ~= "") or false -- there will be a proper function for this
end

-- -- --

local complete = { } interfaces.complete = complete

setmetatable(complete, { __index = function(t,k)
    complete = require("mult-def.lua")
    interfaces.complete = complete
    return complete[k]
end } )

function interfaces.interfacedcommand(name)
    local command = complete.commands[name]
    return command and command[storage.shared.currentinterface] or name
end