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local text, utils = pandoc.text, pandoc.utils
local filters = {}
local function add_filter(x)
table.insert(filters, x)
end
local is_latex = FORMAT:match "latex"
local is_man = FORMAT:match "man"
add_filter {
Pandoc = function(elem)
local blocks, meta = elem.blocks, elem.meta
local page_title = utils.stringify(meta.title)
local page_manual = utils.stringify(meta.manual)
local page_name, page_section = page_title:match("^([^%(]+)%(([^%)]+)%)$")
-- add page title
meta.title = pandoc.MetaString(string.format("%s | %s", text.upper(page_title), page_manual))
if is_latex then
local titleid = string.format("man:%s.%s", page_name, page_section)
local titleobj = pandoc.Header(1, pandoc.Code(page_title))
titleobj.identifier = titleid
blocks:insert(1, titleobj)
end
-- add "See Also" section
local seealso = elem.meta.seealso
if not seealso then
return elem
end
blocks:insert(pandoc.Header(1, pandoc.Str("See Also")))
if is_man then
for k, v in pairs(seealso) do
seealso[k] = utils.stringify(v)
end
blocks:insert(pandoc.Plain(table.concat(seealso, ", ")))
else
local list = {}
for _, i in ipairs(seealso) do
local page = utils.stringify(i)
local pgname, pgsection = string.match(page, "^([^%)]+)%(([^%)]+)%)$")
local item = pandoc.Plain(page)
if is_latex and pgname and pgsection then
pgname = pgname:gsub("_","\\string_")
item = pandoc.RawBlock("latex", string.format("\\manref{%s}{%s}", pgname, pgsection))
end
table.insert(list, item)
end
blocks:insert(pandoc.BulletList(list))
end
return elem
end
}
if is_latex then
add_filter {
Str = function(elem)
if elem.tex == "Advtrains" then
return pandoc.RawInline("latex", "\\advtrains{}")
end
end
}
add_filter {
Header = function(elem)
if (elem.identifier or ""):match("^man:") then
return elem -- do not modify title header
end
local attr = {
class = "unnumbered unlisted",
}
return pandoc.Header(elem.level+1, elem.content, attr)
end,
}
end
if is_man then
add_filter {
Header = function(elem)
local filter = {
Str = function(elem)
return pandoc.Str(text.upper(elem.text))
end,
Code = function(elem)
return pandoc.Str(elem.text)
end,
}
return pandoc.walk_block(elem, filter)
end
}
end
return filters
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