X-Git-Url: https://git.archive.openwrt.org/?p=project%2Fluci.git;a=blobdiff_plain;f=libs%2Fcore%2Fluasrc%2Ffs.lua;fp=libs%2Fcore%2Fluasrc%2Ffs.lua;h=5c1f2a051b4ad1d2bdd63c0615c0fcc56d25a747;hp=0000000000000000000000000000000000000000;hb=d35a620e9f5665a94967f4bd02c93581a1dd7e00;hpb=5df565faba5eb0c26a7ce0e2d6e9092bf71cb1e8

diff --git a/libs/core/luasrc/fs.lua b/libs/core/luasrc/fs.lua
new file mode 100644
index 000000000..5c1f2a051
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+++ b/libs/core/luasrc/fs.lua
@@ -0,0 +1,129 @@
+--[[
+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.
+
+]]--
+
+module("luci.fs", package.seeall)
+
+require("posix")
+
+-- Glob
+glob = posix.glob
+
+-- Checks whether a file exists
+function isfile(filename)
+	local fp = io.open(filename, "r")
+	if fp then fp:close() end
+	return fp ~= nil
+end
+
+-- Returns the content of file
+function readfile(filename)
+	local fp, err = io.open(filename)
+
+	if fp == nil then
+		return nil, err
+	end
+
+	local data = fp:read("*a")
+	fp:close()
+	return data
+end
+
+-- Writes given data to a file
+function writefile(filename, data)
+	local fp, err = io.open(filename, "w")
+
+	if fp == nil then
+		return nil, err
+	end
+
+	fp:write(data)
+	fp:close()
+
+	return true
+end
+
+-- Returns the file modification date/time of "path"
+function mtime(path)
+	return posix.stat(path, "mtime")
+end
+
+-- basename wrapper
+basename = posix.basename
+
+-- dirname wrapper
+dirname = posix.dirname
+
+-- dir wrapper
+dir = posix.dir
+
+-- wrapper for posix.mkdir
+function mkdir(path, recursive)
+	if recursive then
+		local base = "."
+
+		if path:sub(1,1) == "/" then
+			base = ""
+			path = path:gsub("^/+","")
+		end
+
+		for elem in path:gmatch("([^/]+)/*") do
+			base = base .. "/" .. elem
+
+			local stat = posix.stat( base )
+
+			if not stat then
+				local stat, errmsg, errno = posix.mkdir( base )
+
+				if type(stat) ~= "number" or stat ~= 0 then
+					return stat, errmsg, errno
+				end
+			else
+				if stat.type ~= "directory" then
+					return nil, base .. ": File exists", 17
+				end
+			end
+		end
+
+		return 0
+	else
+		return posix.mkdir( path )
+	end
+end
+
+-- Alias for posix.rmdir
+rmdir = posix.rmdir
+
+-- Alias for posix.stat
+stat = posix.stat
+
+-- Alias for posix.chmod
+chmod = posix.chmod
+
+-- Alias for posix.link
+link = posix.link
+
+-- Alias for posix.unlink
+unlink = posix.unlink