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if not modules then modules = { } end modules ['strc-lev'] = {
version = 1.001,
comment = "companion to strc-lev.mkiv",
author = "Hans Hagen, PRAGMA-ADE, Hasselt NL",
copyright = "PRAGMA ADE / ConTeXt Development Team",
license = "see context related readme files"
}
local insert, remove = table.insert, table.remove
local context = context
local interfaces = interfaces
local sections = structures.sections
local implement = interfaces.implement
local v_default = interfaces.variables.default
sections.levels = sections.levels or { }
local level = 0
local levels = sections.levels
local categories = { }
local f_two_colon = string.formatters["%s:%s"]
storage.register("structures/sections/levels", levels, "structures.sections.levels")
local function definesectionlevels(category,list)
levels[category] = utilities.parsers.settings_to_array(list)
end
local function startsectionlevel(category)
category = category ~= "" and category or v_default
level = level + 1
local lc = levels[category]
if not lc or level > #lc then
context.nostarthead { f_two_colon(category,level) }
else
context.dostarthead { lc[level] }
end
insert(categories,category)
end
local function stopsectionlevel()
local category = remove(categories)
if category then
local lc = levels[category]
if not lc or level > #lc then
context.nostophead { f_two_colon(category,level) }
else
context.dostophead { lc[level] }
end
level = level - 1
else
-- error
end
end
implement {
name = "definesectionlevels",
actions = definesectionlevels,
arguments = { "string", "string" }
}
implement {
name = "startsectionlevel",
actions = startsectionlevel,
arguments = "string"
}
implement {
name = "stopsectionlevel",
actions = stopsectionlevel,
}
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