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local M = {}
local mkutils = require "mkutils"
local lfs = require "lfs"
local os = require "os"
local kpse = require "kpse"
local filter = require "make4ht-filter"
local domfilter = require "make4ht-domfilter"
local xtpipeslib = require "make4ht-xtpipes"
local log = logging.new "odt"
function M.prepare_parameters(settings, extensions)
settings.tex4ht_sty_par = settings.tex4ht_sty_par ..",ooffice"
settings.tex4ht_par = settings.tex4ht_par .. " ooffice/! -cmozhtf"
-- settings.t4ht_par = settings.t4ht_par .. " -cooxtpipes -coo "
-- settings.t4ht_par = settings.t4ht_par .. " -cooxtpipes "
settings = mkutils.extensions_prepare_parameters(extensions, settings)
return settings
end
-- object for working with the ODT file
local Odtfile = {}
Odtfile.__index = Odtfile
Odtfile.new = function(archivename)
local self = setmetatable({}, Odtfile)
-- create a temporary file
local tmpname = os.tmpname()
-- remove a temporary file, we are interested only in the unique file name
os.remove(tmpname)
-- get the unique dir name
tmpname = tmpname:match("([a-zA-Z0-9_%-%.]+)$")
local status, msg = lfs.mkdir(tmpname)
if not status then return nil, msg end
-- make picture dir
lfs.mkdir(tmpname .. "/Pictures")
self.archivelocation = tmpname
self.name = archivename
return self
end
function Odtfile:copy(src, dest)
mkutils.cp(src, self.archivelocation .. "/" .. dest)
end
function Odtfile:move(src, dest)
mkutils.mv(src, self.archivelocation .. "/" .. dest)
end
function Odtfile:create_dir(dir)
local currentdir = lfs.currentdir()
lfs.chdir(self.archivelocation)
lfs.mkdir(dir)
lfs.chdir(currentdir)
end
function Odtfile:make_mimetype()
self.mimetypename = "mimetype"
local m = io.open(self.mimetypename, "w")
m:write("application/vnd.oasis.opendocument.text")
m:close()
end
function Odtfile:remove_mimetype()
os.remove(self.mimetypename)
end
function Odtfile:pack()
local currentdir = lfs.currentdir()
local zip_command = mkutils.find_zip()
lfs.chdir(self.archivelocation)
-- make temporary mime type file
self:make_mimetype()
mkutils.execute(zip_command .. " -q0X " .. self.name .. " " .. self.mimetypename)
-- remove it, so the next command doesn't overwrite it
self:remove_mimetype()
mkutils.execute(zip_command .." -r " .. self.name .. " *")
lfs.chdir(currentdir)
mkutils.cp(self.archivelocation .. "/" .. self.name, self.name)
mkutils.delete_dir(self.archivelocation)
end
-- escape string to be used in the gsub search
local function escape_file(filename)
local quotepattern = '(['..("%^$().[]*+-?"):gsub("(.)", "%%%1")..'])'
return filename:gsub(quotepattern, "%%%1")
end
local move_matches = xtpipeslib.move_matches
-- call xtpipes from Lua
local function call_xtpipes(make)
-- we must find root of the TeX distribution
local selfautoparent = xtpipeslib.get_selfautoparent()
if selfautoparent then
local matchfunction = xtpipeslib.get_xtpipes(selfautoparent)
make:match("4oo", matchfunction)
make:match("4om", matchfunction)
-- move last match to a first place
-- we need to move last two matches, for 4oo and 4om files
move_matches(make)
move_matches(make)
else
log:warning "Cannot locate xtpipes. Try to set TEXMFROOT variable to a root directory of your TeX distribution"
end
end
-- sort output files according to their extensions
local function prepare_output_files(lgfiles)
local groups = {}
for _, name in ipairs(lgfiles) do
local basename, extension = name:match("(.-)%.([^%.]+)$")
local group = groups[extension] or {}
table.insert(group, basename)
groups[extension] = group
log:debug("prepare output file", basename, extension)
end
return groups
end
-- execute function on all files in the group
-- function fn takes current filename and table with various attributes
local function exec_group(groups, name, fn)
for _, basename in ipairs(groups[name] or {}) do
fn{basename = basename, extension=name, filename = basename .. "." .. name}
end
end
function M.modify_build(make)
local executed = false
-- execute xtpipes from the build file, instead of t4ht. this fixes issues with wrong paths
-- expanded in tex4ht.env in Miktex or Debian
call_xtpipes(make)
-- fix the image dimensions wrongly set by xtpipes
local domfilters = domfilter {"t4htlinks", "odtpartable"}
make:match("4oo$", domfilters)
-- execute it before xtpipes, because we don't want xtpipes to mess with t4htlink elements
move_matches(make)
-- convert XML entities for Unicode characters produced by Xtpipes to characters
local fixentities = filter {"entities-to-unicode"}
make:match("4oo", fixentities)
make:match("4om", fixentities)
-- build the ODT file. This match must be executed as a last one
-- this will be executed as a first match, just to find the last filename
-- in the lgfile
make:match(".*", function()
-- execute it only once
if not executed then
-- this is list of processed files
local lgfiles = make.lgfile.files
-- find the last file and escape it so it can be used
-- in filename match
local lastfile = escape_file(lgfiles[#lgfiles]) .."$"
-- make match for the last file
-- odt packing will be done here
make:match(lastfile, function()
local groups = prepare_output_files(make.lgfile.files)
local basename = groups.odt[1]
local odtname = basename .. ".odt"
local odt,msg = Odtfile.new(odtname)
if not odt then
log:error("Cannot create ODT file: " .. msg)
end
-- helper function for simple file moving
local function move_file(group, dest)
exec_group(groups, group, function(par)
odt:move("${filename}" % par, dest)
end)
end
-- the document text
exec_group(groups, "4oo", function(par)
odt:move("${filename}" % par, "content.xml")
odt:create_dir("Pictures")
end)
-- manifest
exec_group(groups, "4of", function(par)
odt:create_dir("META-INF")
odt:move("${filename}" % par, "META-INF/manifest.xml")
end)
-- math
exec_group(groups, "4om", function(par)
odt:create_dir(par.basename)
odt:move("${filename}" % par, "${basename}/content.xml" % par)
-- copy the settings file to math subdir
local settings = groups["4os"][1]
odt:copy(settings .. ".4os", "${basename}/settings.xml" % par)
end)
-- these files are created only once, so it doesn't matter that they are
-- copied to one file
move_file("4os", "settings.xml")
move_file("4ot", "meta.xml")
move_file("4oy", "styles.xml")
-- pictures
exec_group(groups, "4og", function(par)
-- add support for images in the TEXMF tree
if not mkutils.file_exists(par.basename) then
par.basename = kpse.find_file(par.basename, "graphic/figure")
if not par.basename then return nil, "Cannot find picture" end
end
-- the Pictues dir is flat, without subdirs
odt:copy("${basename}" % par, "Pictures")
end)
-- remove some spurious file
exec_group(groups, "4od", function(par)
os.remove(par.filename)
end)
odt:pack()
end)
end
executed = true
end)
return make
end
return M
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