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if not modules then modules = { } end modules ['strc-bkm'] = {
version = 0.200,
comment = "companion to strc-bkm.mkiv",
author = "Hans Hagen, PRAGMA-ADE, Hasselt NL",
copyright = "PRAGMA ADE / ConTeXt Development Team",
license = "see context related readme files"
}
-- Future version will support adding arbitrary bookmarks with
-- associated complex actions (rather trivial to implement).
local format, concat, gsub = string.format, table.concat, string.gsub
local texsprint, utfvalues = tex.sprint, string.utfvalues
local ctxcatcodes = tex.ctxcatcodes
local lists = structure.lists
local levelmap = structure.sections.levelmap
structure.bookmarks = structure.bookmarks or { }
local bookmarks = structure.bookmarks
bookmarks.method = "internal" -- or "page"
local names, opened = "", ""
function bookmarks.register(n,o)
if names == "" then names = n else names = names .. "," .. n end
if opened == "" then opened = o else opened = opened .. "," .. o end
end
function bookmarks.overload(name,text)
local l, ls = lists.tobesaved, nil
if #l == 0 then
-- no entries
elseif name == "" then
ls = l[#l]
else
for i=#l,0,-1 do
local li = l[i]
local metadata = li.metadata
if metadata and not metadata.nolist and metadata.name == name then
ls = li
break
end
end
end
if ls then
ls.titledata.bookmark = text
end
end
local function stripped(str) -- kind of generic
str = gsub(str,"\\([A-Z]+)","%1") -- \LOGO
str = gsub(str,"\\ "," ") -- \
str = gsub(str,"\\([A-Za-z]+) *{(.-)}","%1") -- \bla{...}
str = gsub(str," +"," ") -- spaces
return str
end
-- todo: collect specs and collect later i.e. multiple places
function bookmarks.place()
if names ~= "" then
local list = lists.filter(names,"all",nil,lists.collected)
local lastlevel = 1
if #list > 0 then
local opened, levels = aux.settings_to_set(opened), { }
for i=1,#list do
local li = list[i]
local metadata = li.metadata
local name = metadata.name
if not metadata.nolist then -- and levelmap[name] then
local titledata = li.titledata
if titledata then
local structural = levelmap[name]
lastlevel = structural or lastlevel
local title = titledata.bookmark
if not title or title == "" then
if not structural then
-- placeholder, todo: bookmarklabel
title = name .. ": " .. (titledata.title or "?")
else
title = titledata.title or "?"
end
end
levels[#levels+1] = {
lastlevel,
stripped(title),
li.references, -- has internal and realpage
allopen or opened[name]
}
end
end
end
backends.codeinjections.addbookmarks(levels,bookmarks.method)
end
function bookmarks.place() end -- prevent second run
end
end
lpdf.registerdocumentfinalizer(function() structure.bookmarks.place() end,1)
-- bkm
--~ function nodes.toutf(list)
--~ local t= { }
--~ for n in node.traverse(list) do
--~ local id = n.id
--~ if id == node.id("glyph") then
--~ local c = n.char
--~ local f = fonts.ids[n.font]
--~ if f then
--~ local u = f.characters[c].tounicode
--~ if u then
--~ for s in string.gmatch(u,"..") do
--~ t[#t+1] = utf.char(tonumber(s,16))
--~ end
--~ else
--~ t[#t+1] = utf.char(c)
--~ end
--~ else
--~ t[#t+1] = utf.char(c)
--~ end
--~ elseif id == node.id("glue") then
--~ t[#t+1] = " "
--~ end
--~ end
--~ return table.concat(t,"")
--~ end
--~ print(nodes.toutf(tex.box[999].list))
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