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if not modules then modules = { } end modules ['page-sel'] = {
version = 1.001,
comment = "companion to page-sel.mkxl",
author = "Hans Hagen, PRAGMA-ADE, Hasselt NL",
copyright = "PRAGMA ADE / ConTeXt Development Team",
license = "see context related readme files"
}
--- maybe more will end up here
local addsuffix = file.addsuffix
local context = context
do
local sections = { }
local function sectionpage(filename,reference,what)
local filedata = sections[filename]
if not filedata then
filedata = {
data = job.loadother(filename,"tuc") or false,
list = { }
}
sections[filename] = filedata
end
local list = filedata.list
local entry = list[reference]
if not entry then
local first = 0
local last = 0
local data = filedata.data
if data then
local lists = data.structures.lists.collected
local pages = data.structures.pages.collected
if lists and pages then
for i=1,#lists do
local li = lists[i]
if li.references.reference == reference then
local level = li.metadata.level
first = li.references.realpage
last = pages[#pages].number
for j=i+1,#lists do
local lj = lists[j]
if lj.metadata.level == level then
last = lj.references.realpage - 1
break
end
end
end
end
end
end
entry = {
first = first,
last = last,
}
list[reference] = entry
end
context(what and entry.first or entry.last)
end
interfaces.implement {
name = "firstsectionpage",
public = true,
arguments = { "optional", "optional", true },
actions = sectionpage
}
interfaces.implement {
name = "lastsectionpage",
public = true,
arguments = { "optional", "optional", false },
actions = sectionpage
}
end
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