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| -rw-r--r-- | modules/luci-base/luasrc/fs.lua | 244 |
1 files changed, 0 insertions, 244 deletions
diff --git a/modules/luci-base/luasrc/fs.lua b/modules/luci-base/luasrc/fs.lua deleted file mode 100644 index a81ff675d4..0000000000 --- a/modules/luci-base/luasrc/fs.lua +++ /dev/null @@ -1,244 +0,0 @@ ---[[ -LuCI - Filesystem tools - -Description: -A module offering often needed filesystem manipulation functions - -FileId: -$Id$ - -License: -Copyright 2008 Steven Barth <steven@midlink.org> - -Licensed under the Apache License, Version 2.0 (the "License"); -you may not use this file except in compliance with the License. -You may obtain a copy of the License at - - http://www.apache.org/licenses/LICENSE-2.0 - -Unless required by applicable law or agreed to in writing, software -distributed under the License is distributed on an "AS IS" BASIS, -WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -See the License for the specific language governing permissions and -limitations under the License. - -]]-- - -local io = require "io" -local os = require "os" -local ltn12 = require "luci.ltn12" -local fs = require "nixio.fs" -local nutil = require "nixio.util" - -local type = type - ---- LuCI filesystem library. -module "luci.fs" - ---- Test for file access permission on given path. --- @class function --- @name access --- @param str String value containing the path --- @return Number containing the return code, 0 on sucess or nil on error --- @return String containing the error description (if any) --- @return Number containing the os specific errno (if any) -access = fs.access - ---- Evaluate given shell glob pattern and return a table containing all matching --- file and directory entries. --- @class function --- @name glob --- @param filename String containing the path of the file to read --- @return Table containing file and directory entries or nil if no matches --- @return String containing the error description (if no matches) --- @return Number containing the os specific errno (if no matches) -function glob(...) - local iter, code, msg = fs.glob(...) - if iter then - return nutil.consume(iter) - else - return nil, code, msg - end -end - ---- Checks wheather the given path exists and points to a regular file. --- @param filename String containing the path of the file to test --- @return Boolean indicating wheather given path points to regular file -function isfile(filename) - return fs.stat(filename, "type") == "reg" -end - ---- Checks wheather the given path exists and points to a directory. --- @param dirname String containing the path of the directory to test --- @return Boolean indicating wheather given path points to directory -function isdirectory(dirname) - return fs.stat(dirname, "type") == "dir" -end - ---- Read the whole content of the given file into memory. --- @param filename String containing the path of the file to read --- @return String containing the file contents or nil on error --- @return String containing the error message on error -readfile = fs.readfile - ---- Write the contents of given string to given file. --- @param filename String containing the path of the file to read --- @param data String containing the data to write --- @return Boolean containing true on success or nil on error --- @return String containing the error message on error -writefile = fs.writefile - ---- Copies a file. --- @param source Source file --- @param dest Destination --- @return Boolean containing true on success or nil on error -copy = fs.datacopy - ---- Renames a file. --- @param source Source file --- @param dest Destination --- @return Boolean containing true on success or nil on error -rename = fs.move - ---- Get the last modification time of given file path in Unix epoch format. --- @param path String containing the path of the file or directory to read --- @return Number containing the epoch time or nil on error --- @return String containing the error description (if any) --- @return Number containing the os specific errno (if any) -function mtime(path) - return fs.stat(path, "mtime") -end - ---- Set the last modification time of given file path in Unix epoch format. --- @param path String containing the path of the file or directory to read --- @param mtime Last modification timestamp --- @param atime Last accessed timestamp --- @return 0 in case of success nil on error --- @return String containing the error description (if any) --- @return Number containing the os specific errno (if any) -function utime(path, mtime, atime) - return fs.utimes(path, atime, mtime) -end - ---- Return the last element - usually the filename - from the given path with --- the directory component stripped. --- @class function --- @name basename --- @param path String containing the path to strip --- @return String containing the base name of given path --- @see dirname -basename = fs.basename - ---- Return the directory component of the given path with the last element --- stripped of. --- @class function --- @name dirname --- @param path String containing the path to strip --- @return String containing the directory component of given path --- @see basename -dirname = fs.dirname - ---- Return a table containing all entries of the specified directory. --- @class function --- @name dir --- @param path String containing the path of the directory to scan --- @return Table containing file and directory entries or nil on error --- @return String containing the error description on error --- @return Number containing the os specific errno on error -function dir(...) - local iter, code, msg = fs.dir(...) - if iter then - local t = nutil.consume(iter) - t[#t+1] = "." - t[#t+1] = ".." - return t - else - return nil, code, msg - end -end - ---- Create a new directory, recursively on demand. --- @param path String with the name or path of the directory to create --- @param recursive Create multiple directory levels (optional, default is true) --- @return Number with the return code, 0 on sucess or nil on error --- @return String containing the error description on error --- @return Number containing the os specific errno on error -function mkdir(path, recursive) - return recursive and fs.mkdirr(path) or fs.mkdir(path) -end - ---- Remove the given empty directory. --- @class function --- @name rmdir --- @param path String containing the path of the directory to remove --- @return Number with the return code, 0 on sucess or nil on error --- @return String containing the error description on error --- @return Number containing the os specific errno on error -rmdir = fs.rmdir - -local stat_tr = { - reg = "regular", - dir = "directory", - lnk = "link", - chr = "character device", - blk = "block device", - fifo = "fifo", - sock = "socket" -} ---- Get information about given file or directory. --- @class function --- @name stat --- @param path String containing the path of the directory to query --- @return Table containing file or directory properties or nil on error --- @return String containing the error description on error --- @return Number containing the os specific errno on error -function stat(path, key) - local data, code, msg = fs.stat(path) - if data then - data.mode = data.modestr - data.type = stat_tr[data.type] or "?" - end - return key and data and data[key] or data, code, msg -end - ---- Set permissions on given file or directory. --- @class function --- @name chmod --- @param path String containing the path of the directory --- @param perm String containing the permissions to set ([ugoa][+-][rwx]) --- @return Number with the return code, 0 on sucess or nil on error --- @return String containing the error description on error --- @return Number containing the os specific errno on error -chmod = fs.chmod - ---- Create a hard- or symlink from given file (or directory) to specified target --- file (or directory) path. --- @class function --- @name link --- @param path1 String containing the source path to link --- @param path2 String containing the destination path for the link --- @param symlink Boolean indicating wheather to create a symlink (optional) --- @return Number with the return code, 0 on sucess or nil on error --- @return String containing the error description on error --- @return Number containing the os specific errno on error -function link(src, dest, sym) - return sym and fs.symlink(src, dest) or fs.link(src, dest) -end - ---- Remove the given file. --- @class function --- @name unlink --- @param path String containing the path of the file to remove --- @return Number with the return code, 0 on sucess or nil on error --- @return String containing the error description on error --- @return Number containing the os specific errno on error -unlink = fs.unlink - ---- Retrieve target of given symlink. --- @class function --- @name readlink --- @param path String containing the path of the symlink to read --- @return String containing the link target or nil on error --- @return String containing the error description on error --- @return Number containing the os specific errno on error -readlink = fs.readlink |