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if not modules then modules = { } end modules ['core-two'] = {
version = 1.001,
comment = "companion to core-two.mkiv",
author = "Hans Hagen, PRAGMA-ADE, Hasselt NL",
copyright = "PRAGMA ADE / ConTeXt Development Team",
license = "see context related readme files"
}
local remove, concat = table.remove, table.concat
local allocate = utilities.storage.allocate
--[[ldx--
<p>We save multi-pass information in the main utility table. This is a
bit of a mess because we support old and new methods.</p>
--ldx]]--
local collected = allocate()
local tobesaved = allocate()
local jobpasses = {
collected = collected,
tobesaved = tobesaved,
}
job.passes = jobpasses
local function initializer()
collected = jobpasses.collected
tobesaved = jobpasses.tobesaved
end
job.register('job.passes.collected', tobesaved, initializer, nil)
local function allocate(id)
local p = tobesaved[id]
if not p then
p = { }
tobesaved[id] = p
end
return p
end
jobpasses.define = allocate
function jobpasses.save(id,str,index)
local jti = allocate(id)
if index then
jti[index] = str
else
jti[#jti+1] = str
end
end
function jobpasses.savetagged(id,tag,str)
local jti = allocate(id)
jti[tag] = str
end
function jobpasses.getdata(id,index,default)
local jti = collected[id]
local value = jti and jti[index]
return value ~= "" and value or default or ""
end
function jobpasses.getfield(id,index,tag,default)
local jti = collected[id]
jti = jti and jti[index]
local value = jti and jti[tag]
return value ~= "" and value or default or ""
end
function jobpasses.getcollected(id)
return collected[id] or { }
end
function jobpasses.gettobesaved(id)
return allocate(id)
end
local function get(id)
local jti = collected[id]
if jti and #jti > 0 then
return remove(jti,1)
end
end
local function first(id)
local jti = collected[id]
if jti and #jti > 0 then
return jti[1]
end
end
local function last(id)
local jti = collected[id]
if jti and #jti > 0 then
return jti[#jti]
end
end
local function find(id,n)
local jti = collected[id]
if jti and jti[n] then
return jti[n]
end
end
local function count(id)
local jti = collected[id]
return jti and #jti or 0
end
local function list(id)
local jti = collected[id]
if jti then
return concat(jti,',')
end
end
local function inlist(id,str)
local jti = collected[id]
if jti then
for _, v in next, jti do
if v == str then
return true
end
end
end
return false
end
local check = first
--
jobpasses.get = get
jobpasses.first = first
jobpasses.last = last
jobpasses.find = find
jobpasses.list = list
jobpasses.count = count
jobpasses.check = check
jobpasses.inlist = inlist
-- interface
local implement = interfaces.implement
implement { name = "gettwopassdata", actions = { get , context }, arguments = "string" }
implement { name = "getfirsttwopassdata",actions = { first, context }, arguments = "string" }
implement { name = "getlasttwopassdata", actions = { last , context }, arguments = "string" }
implement { name = "findtwopassdata", actions = { find , context }, arguments = { "string", "string" } }
implement { name = "gettwopassdatalist", actions = { list , context }, arguments = "string" }
implement { name = "counttwopassdata", actions = { count, context }, arguments = "string" }
implement { name = "checktwopassdata", actions = { check, context }, arguments = "string" }
implement {
name = "definetwopasslist",
actions = jobpasses.define,
arguments = "string"
}
implement {
name = "savetwopassdata",
actions = jobpasses.save,
arguments = { "string", "string" }
}
implement {
name = "savetaggedtwopassdata",
actions = jobpasses.savetagged,
arguments = { "string", "string", "string" }
}
implement {
name = "doifelseintwopassdata",
actions = { inlist, commands.doifelse },
arguments = { "string", "string" }
}
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