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-- Global "constants" for texdoc.
--[[
Copyright 2008, 2009 Manuel Pégourié-Gonnard
Distributed under the terms of the GNU GPL version 3 or later.
See texdoc.tlu for details.
--]]
-- Load a private environment.
-- A name 'foo' defined here will be globally visible as 'C.foo', see EOF.
local L = {}
load_env(L, {
'setmetatable', 'arg',
})
-- progname and version
fullname = arg[0]
progname = 'texdoc'
version = '0.72'
-- make sure to update setup_config_from_cl() accordingly
-- and set a default value in setup_config_from_defaults() if relevant
usage_msg = [[
Usage: texdoc [OPTION]... [NAME]...
Try to find appropriate TeX documentation for the specified NAME(s).
With no NAME, print information about texdoc (--help, --version, --files).
Current settings:
-h, --help Print this help message.
-V, --version Print the version number.
-f, --files Print the list of configuration files used.
-w, --view Use view mode: start a viewer. (default)
-m, --mixed Use mixed mode (view or list).
-l, --list Use list mode: show a list of results.
-s, --showall Use showall mode: show also "bad" results.
-i, --interact Use interactive menus. (default)
-I, --nointeract Use plain lists, no interaction required.
-M, --machine Machine-readable output for lists (implies -I).
-q, --quiet Suppress warnings and most error messages.
-v, --verbose Print additional information (eg, viewer command).
-d, --debug[=list] Print debug info for selected items (default: all).
Environment: PAGER, BROWSER, PDFVIEWER, PSVIEWER, DVIVIEWER.
Files: <texmf>/texdoc/texdoc.cnf, see output of the --files option.
Homepage: http://tug.org/texdoc/
Manual: displayed by `texdoc texdoc'.]]
usage_settings_ph = 'Current settings:' -- keep ../doc/texdoc wrapper in sync!
usage_settings = {
{ name = 'mode', view = '--view', mixed = '--mixed', list = '--list',
showall = '--showall' },
{ name = 'interact_switch',
[true] = '--interact', [false] = '--nointeract' },
}
known_options = {
'viewer_.*',
'mode',
'interact_switch',
'machine_switch',
'alias_switch',
'ext_list',
'badext_list',
'verbosity_level',
'debug_list',
'lastfile_switch',
'rm_dir',
'rm_file',
'unzip_.*',
'zipext_list',
'max_lines',
}
error_msg = [[
Try `texdoc --help' for a short help, `texdoc texdoc' for the user manual.]]
notfound_msg = [[
Sorry, no documentation found for PKGNAME.
If you are unsure about the name, try searching CTAN's TeX catalogue at
http://ctan.org/search.html#byDescription.]]
notfound_msg_ph = 'PKGNAME'
err_priority = {
error = 1,
warning = 2,
info = 3,
}
min_verbosity='0'
max_verbosity='3'
def_verbosity='2'
exit_ok = 0
--exit_error = 1 -- apparently hard-coded in Lua
exit_usage = 2
known_debugs = {
version = {},
files = {},
config = {'files'},
view = {},
texdocs = {},
score = {},
tlpdb = {}
}
-- various cache or non-cache files
cache_name = 'texdoc/cache-tlpdb.lua' -- relative to TEXMFVAR
data_meta_name = 'Data.meta.lua'
data_tlpdb_name = 'Data.tlpdb.lua'
place_holder = '%%s' -- used for viewer commands
-- Make global C a read-only proxy to the local environment.
-- Note this is not deep read-only: C.known_debugs is read-only, but
-- C.known_debugs.version isn't, for instance.
assert(next(C) == nil,
'Internal error: table of constants should be empty at this point')
setmetatable(C, {
__index = L,
__newindew = function ()
error('Internal error: attempt to modify a constant.')
end
})
|