Aegisub/automation/include/aegisub/lfs.moon

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-- Copyright (c) 2014, Thomas Goyne <plorkyeran@aegisub.org>
--
-- Permission to use, copy, modify, and distribute this software for any
-- purpose with or without fee is hereby granted, provided that the above
-- copyright notice and this permission notice appear in all copies.
--
-- THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
-- WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
-- MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
-- ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
-- WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
-- ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
-- OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
--
-- Aegisub Project http://www.aegisub.org/
impl = require 'aegisub.__lfs_impl'
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check = require 'aegisub.argcheck'
ffi = require 'ffi'
ffi_util = require 'aegisub.ffi'
for k, v in pairs impl
impl[k] = ffi_util.err_arg_to_multiple_return v
string_ret = (f) -> (...) ->
res, err = f ...
ffi_util.string(res), err
number_ret = (f) -> (...) ->
res, err = f ...
tonumber(res), err
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attributes = check'string ?string' (path, field) ->
switch field
when 'mode'
res, err = impl.get_mode path
ffi_util.string(res), err
when 'modification'
res, err = impl.get_mtime path
tonumber(res), err
when 'size'
res, err = impl.get_size path
tonumber(res), err
else
mode, err = impl.get_mode path
if err or mode == nil then return nil, err
mod, err = impl.get_mtime path
if err then return nil, err
size, err = impl.get_size path
if err then return nil, err
mode: ffi_util.string(mode), modification: tonumber(mod), size: tonumber(size)
class dir_iter
new: (iter) =>
@iter = ffi.gc iter, -> impl.dir_free iter
close: =>
impl.dir_close @iter
next: =>
str, err = impl.dir_next @iter
if err then error err, 2
ffi_util.string str
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dir = check'string' (path) ->
obj, err = impl.dir_new path
if err
error 2, err
iter = dir_iter obj
iter.next, iter
return {
:attributes
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chdir: check'string' number_ret impl.chdir
currentdir: check'' string_ret impl.currentdir
:dir
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mkdir: check'string' number_ret impl.mkdir
rmdir: check'string'number_ret impl.rmdir
touch: check'string'number_ret impl.touch
}