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#!/usr/bin/env texlua
-----------------------------------------------------------------------
-- FILE: luaotfload-tool.lua
-- DESCRIPTION: database functionality
-- REQUIREMENTS: luaotfload 2.2
-- AUTHOR: Khaled Hosny, Élie Roux, Philipp Gesang
-- VERSION: 2.2
-- CREATED: 2013-05-01 14:40:50+0200
-----------------------------------------------------------------------
--[[doc--
This file was originally written (as \fileent{mkluatexfontdb.lua}) by
Elie Roux and Khaled Hosny and is under CC0 license (see
http://creativecommons.org/publicdomain/zero/1.0/legalcode).
This file is a wrapper for the luaotfload font names module
(luaotfload-database.lua). It is part of the luaotfload bundle, please
see the luaotfload documentation for more info. Report bugs to
\url{https://github.com/lualatex/luaotfload/issues}.
--doc]]--
kpse.set_program_name"luatex"
local stringformat = string.format
local texiowrite_nl = texio.write_nl
local stringfind = string.find
local stringlower = string.lower
local loader_file = "luatexbase.loader.lua"
local loader_path = assert(kpse.find_file(loader_file, "lua"),
"File '"..loader_file.."' not found")
string.quoted = string.quoted or function (str)
return string.format("%q",str)
end
require(loader_path)
--[[doc--
Depending on how the script is called we change its behavior.
For backwards compatibility, moving or symlinking the script to a
file name starting with \fileent{mkluatexfontdb} will cause it to
trigger a database update on every run.
Running as \fileent{luaotfload-tool} -- the new name -- will do this upon
request only.
There are two naming conventions followed here: firstly that of
utilities such as \fileent{mktexpk}, \fileent{mktexlsr} and the likes,
and secondly that of \fileent{fmtutil}.
After support for querying the database was added, the latter appeared
to be the more appropriate.
--doc]]--
config = config or { }
local config = config
config.luaotfload = config.luaotfload or { }
do -- we don’t have file.basename and the likes yet, so inline parser ftw
local C, P = lpeg.C, lpeg.P
local lpegmatch = lpeg.match
local slash = P"/"
local dot = P"."
local noslash = 1 - slash
local slashes = slash^1
local path = slashes^-1 * (noslash^1 * slashes)^1
local thename = (1 - slash - dot)^1
local extension = dot * (1 - slash - dot)^1
local p_basename = path^-1 * C(thename) * extension^-1 * P(-1)
local self = lpegmatch(p_basename, stringlower(arg[0]))
if self == "luaotfload-tool" then
config.luaotfload.self = "luaotfload-tool"
else
config.luaotfload.self = "mkluatexfontdb"
end
end
config.lualibs = config.lualibs or { }
config.lualibs.verbose = false
config.lualibs.prefer_merged = true
config.lualibs.load_extended = false
require"lualibs"
--[[doc--
\fileent{luatex-basics-gen.lua} calls functions from the
\luafunction{texio.*} library; too much for our taste.
We intercept them with dummies.
--doc]]--
local dummy_function = function ( ) end
local backup_write, backup_write_nl = texio.write, texio.write_nl
texio.write, texio.write_nl = dummy_function, dummy_function
require"luaotfload-basics-gen.lua"
texio.write, texio.write_nl = backup_write, backup_write_nl
require"luaotfload-override.lua" --- this populates the logs.* namespace
require"luaotfload-database"
require"alt_getopt"
local version = "2.2" -- same version number as luaotfload
local names = fonts.names
local db_src_out = names.path.dir.."/"..names.path.basename
local db_bin_out = file.replacesuffix(db_src_out, "luc")
local help_messages = {
["luaotfload-tool"] = [[
Usage: %s [OPTION]...
Operations on the LuaTeX font database.
This tool is part of the luaotfload package. Valid options are:
-------------------------------------------------------------------------------
VERBOSITY AND LOGGING
-q --quiet don't output anything
-v --verbose=LEVEL be more verbose (print the searched directories)
-vv print the loaded fonts
-vvv print all steps of directory searching
-V --version print version and exit
-h --help print this message
--alias=<name> force behavior of “luaotfload-tool” or legacy
“mkluatexfontdb”
-------------------------------------------------------------------------------
DATABASE
-u --update update the database
-f --force force re-indexing all fonts
-c --flush-cache empty cache of font requests
--find="font name" query the database for a font name
-F --fuzzy look for approximate matches if --find fails
--limit=n limit display of fuzzy matches to <n>
(default: n = 1)
-i --info display font metadata
--log=stdout redirect log output to stdout
The font database will be saved to
%s
%s
]],
mkluatexfontdb = [[
Usage: %s [OPTION]...
Rebuild the LuaTeX font database.
Valid options:
-f --force force re-indexing all fonts
-q --quiet don't output anything
-v --verbose=LEVEL be more verbose (print the searched directories)
-vv print the loaded fonts
-vvv print all steps of directory searching
-V --version print version and exit
-h --help print this message
--alias=<name> force behavior of “luaotfload-tool” or legacy
“mkluatexfontdb”
The font database will be saved to
%s
%s
]],
}
local help_msg = function ( )
local template = help_messages[config.luaotfload.self]
or help_messages["luaotfload-tool"]
texiowrite_nl(stringformat(template, config.luaotfload.self, db_src_out, db_bin_out))
end
local version_msg = function ( )
texiowrite_nl(stringformat(
"%s version %s, database version %s.\n",
config.luaotfload.self, version, names.version))
end
local show_info_items = function (fontinfo)
local items = table.sortedkeys(fontinfo)
for n = 1, #items do
local item = items[n]
texiowrite_nl(stringformat(
[[ %11s: %s]], item, fontinfo[item]))
end
end
local show_font_info = function (filename)
local fullname = resolvers.findfile(filename)
if fullname then
local fontinfo = fontloader.info(fullname)
local nfonts = #fontinfo
if nfonts > 0 then -- true type collection
logs.names_report(true, 1, "resolve",
[[%s is a font collection]], filename)
for n = 1, nfonts do
logs.names_report(true, 1, "resolve",
[[showing info for font no. %d]], n)
show_info_items(fontinfo[n])
end
else
show_info_items(fontinfo)
end
else
logs.names_report(true, 1, "resolve",
"font %s not found", filename)
end
end
--[[--
Running the scripts triggers one or more actions that have to be
executed in the correct order. To avoid duplication we track them in a
set.
--]]--
local action_sequence = {
"loglevel", "help", "version", "flush", "generate", "query"
}
local action_pending = table.tohash(action_sequence, false)
action_pending.loglevel = true --- always set the loglevel
action_pending.generate = false --- this is the default action
local actions = { } --- (jobspec -> (bool * bool)) list
actions.loglevel = function (job)
logs.set_loglevel(job.log_level)
logs.names_report("info", 3, "util",
"setting log level", "%d", job.log_level)
return true, true
end
actions.version = function (job)
version_msg()
return true, false
end
actions.help = function (job)
help_msg()
return true, false
end
actions.generate = function (job)
local fontnames, savedname
fontnames = names.update(fontnames, job.force_reload)
logs.names_report("info", 2, "db",
"Fonts in the database: %i", #fontnames.mappings)
savedname = names.save(fontnames)
if savedname then --- FIXME have names.save return bool
return true, true
end
return false, false
end
actions.flush = function (job)
local success, lookups = names.flush_cache()
if success then
local savedname = names.save_lookups()
logs.names_report("info", 2, "cache", "Cache emptied")
if savedname then
return true, true
end
end
return false, false
end
actions.query = function (job)
local query = job.query
local tmpspec = {
name = query,
lookup = "name",
specification = "name:" .. query,
optsize = 0,
}
local foundname, subfont, success =
fonts.names.resolve(nil, nil, tmpspec)
if success then
logs.names_report(false, 1,
"resolve", "Font “%s” found!", query)
if subfont then
logs.names_report(false, 1, "resolve",
"Resolved file name “%s”, subfont nr. “%s”",
foundname, subfont)
else
logs.names_report(false, 1,
"resolve", "Resolved file name “%s”", foundname)
end
if job.show_info then
show_font_info(foundname)
end
else
logs.names_report(false, 1,
"resolve", "Cannot find “%s”.", query)
if job.fuzzy == true then
logs.names_report(false, 1,
"resolve", "Looking for close matches, this may take a while ...")
local success = fonts.names.find_closest(query, job.fuzzy_limit)
end
end
return true, true
end
--[[--
Command-line processing.
mkluatexfontdb.lua relies on the script alt_getopt to process argv and
analyzes its output.
TODO with extended lualibs we have the functionality from the
environment.* namespace that could eliminate the dependency on
alt_getopt.
--]]--
local process_cmdline = function ( ) -- unit -> jobspec
local result = { -- jobspec
force_reload = nil,
query = "",
log_level = 1, --- 2 is approx. the old behavior
}
local long_options = {
alias = 1,
["flush-cache"] = "c",
find = 1,
force = "f",
fuzzy = "F",
help = "h",
info = "i",
limit = 1,
log = 1,
quiet = "q",
update = "u",
verbose = 1 ,
version = "V",
}
local short_options = "cfFiquvVh"
local options, _, optarg =
alt_getopt.get_ordered_opts (arg, short_options, long_options)
local nopts = #options
for n=1, nopts do
local v = options[n]
if v == "q" then
result.log_level = 0
elseif v == "u" then
action_pending["generate"] = true
elseif v == "v" then
if result.log_level > 0 then
result.log_level = result.log_level + 1
else
result.log_level = 2
end
elseif v == "V" then
action_pending["version"] = true
elseif v == "h" then
action_pending["help"] = true
elseif v == "f" then
result.update = true
result.force_reload = 1
elseif v == "verbose" then
local lvl = optarg[n]
if lvl then
result.log_level = tonumber(lvl)
end
elseif v == "log" then
local str = optarg[n]
if str then
logs.set_logout(str)
end
elseif v == "find" then
action_pending["query"] = true
result.query = optarg[n]
elseif v == "F" then
result.fuzzy = true
elseif v == "limit" then
local lim = optarg[n]
if lim then
result.fuzzy_limit = tonumber(lim)
end
elseif v == "i" then
result.show_info = true
elseif v == "alias" then
config.luaotfload.self = optarg[n]
elseif v == "c" then
action_pending["flush"] = true
end
end
if config.luaotfload.self == "mkluatexfontdb" then
action_pending["generate"] = true
result.log_level = math.max(2, result.log_level)
end
return result
end
local main = function ( ) -- unit -> int
local retval = 0
local job = process_cmdline()
-- inspect(action_pending)
-- inspect(job)
for i=1, #action_sequence do
local actionname = action_sequence[i]
local exit = false
if action_pending[actionname] then
logs.names_report("log", 3, "util", "preparing for task",
"%s", actionname)
local action = actions[actionname]
local success, continue = action(job)
if not success then
logs.names_report(false, 0, "util",
"could not finish task", "%s", actionname)
retval = -1
exit = true
elseif not continue then
logs.names_report(false, 3, "util",
"task completed, exiting", "%s", actionname)
exit = true
else
logs.names_report(false, 3, "util",
"task completed successfully", "%s", actionname)
end
end
if exit then break end
end
texiowrite_nl""
return retval
end
return main()
-- vim:tw=71:sw=4:ts=4:expandtab
|