From 6d7429bf56cc52161ce1932cc13d0594265b4abf Mon Sep 17 00:00:00 2001
From: Ludovic Pouzenc <ludovic@pouzenc.fr>
Date: Fri, 14 Sep 2018 23:42:50 +0200
Subject: target/linux/ramips: add all base-files changes

---
 .../linux/ramips/base-files/usr/lib/lua/shuci.lua  | 141 +++++++++++++++++++++
 1 file changed, 141 insertions(+)
 create mode 100755 target/linux/ramips/base-files/usr/lib/lua/shuci.lua

(limited to 'target/linux/ramips/base-files/usr/lib/lua/shuci.lua')

diff --git a/target/linux/ramips/base-files/usr/lib/lua/shuci.lua b/target/linux/ramips/base-files/usr/lib/lua/shuci.lua
new file mode 100755
index 0000000..1b0109f
--- /dev/null
+++ b/target/linux/ramips/base-files/usr/lib/lua/shuci.lua
@@ -0,0 +1,141 @@
+#!/usr/bin/env lua
+
+--[[
+ * A pure lua library to translate between:
+ *     lua table <--> uci config
+ *
+ * For UCI: http://wiki.openwrt.org/doc/techref/uci
+ *          http://wiki.openwrt.org/doc/uci
+ *
+ * Copyright (C) 2015 Hua Shao <nossiac@163.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License version 2.1
+ * as published by the Free Software Foundation
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+]]
+
+
+local shuci = {}
+
+function shuci.decode(path)
+    function file_exists(name)
+       local f=io.open(name,"r")
+       if f~=nil then io.close(f) return true else return false end
+    end
+    local function linebreaker(str)
+        local i,_ = string.find(str, "([^%s])")
+        if not i then return nil end
+        if string.find(str, "config%s+%w+") then
+            local i,j,k,v = string.find(str, "config%s+([%w-_]+)%s*['\"]*([^%s\'\"]*)")
+            return "section", k, v
+        elseif string.find(str, "option%s+%w+") then
+            local i,j,k,v = string.find(str, "option%s+([%w-_]+)%s*['\"]([^'\"]+)['\"]")
+            if not k or not v then
+                i,j,k,v = string.find(str, "option%s+([%w-_]+)%s*['\"]*([^%s\'\"]*)")
+            end
+            return "option", k, v
+        elseif string.find(str, "list%s+%w+") then
+            local i,j,k,v = string.find(str, "list%s+([%w-_]+)%s*['\"]([^'\"]+)['\"]")
+            if not k or not v then
+                i,j,k,v = string.find(str, "list%s+([%w-_]+)%s*['\"]*([^%s\'\"]*)")
+            end
+            return "list", k, v
+        end
+    end
+
+    if not file_exists(path) then
+        return
+    end
+
+    local _sect_ = nil
+    local t = {}
+    for line in io.lines(path) do
+        local _type, _name, _value = linebreaker(line)
+        if _type == "section" then
+            if not t[_name] then
+                t[_name] = {}
+                _sect_ = t[_name]
+                if _value then
+                    _sect_[".name"] = _value
+                end
+            else
+                if t[_name][1] then -- already a list
+                else -- upgrade from dict to array
+                    local _t = t[_name]
+                    t[_name] = {}
+                    t[_name][1] = _t
+                end
+                t[_name][#t[_name]+1] = {}
+                _sect_ = t[_name][#t[_name]]
+                if _value then
+                    _sect_[".name"] = _value
+                end
+            end
+        end
+        if _type == "option" then
+            if _name and _value then
+                _sect_[_name] = _value
+            end
+        end
+        if _type == "list" and _name and _value then
+            local idx
+            if not _sect_[_name] then
+                _sect_[_name] = {}
+                _sect_[_name][1] = _value
+            else
+                idx = #_sect_[_name]
+                _sect_[_name][idx+1] = _value
+            end
+        end
+    end
+
+    return t
+end
+
+
+function shuci.encode(t, path)
+    local dump = io.write
+    if path then
+        local fp = io.open(path, "w")
+        dump = function(str) fp:write(str) end
+    end
+    for stype,ss in pairs(t) do
+        if #ss > 0 then
+            for _,s in ipairs(ss) do
+                dump(string.format("config\t%s\t'%s'\n", stype, s[".name"] or ""))
+                for k,v in pairs(s) do
+                    if type(v) == "table" then
+                        for _,vv in ipairs(v) do
+                            dump(string.format("\tlist\t%s\t'%s'\n",k,vv))
+                        end
+                    elseif type(v) == "string" and k ~= ".name" then
+                        dump(string.format("\toption\t%s\t'%s'\n",k,v))
+                    elseif type(v) == "number" and k ~= ".name" then
+                        dump(string.format("\toption\t%s\t'%s'\n",k,tonumber(v)))
+                    end
+                end
+            dump("\n")
+            end
+        else
+            dump(string.format("config\t%s\t'%s'\n", stype, ss[".name"] or ""))
+            for k,v in pairs(ss) do
+                if type(v) == "table" then
+                    for _,vv in ipairs(v) do
+                        dump(string.format("\tlist\t%s\t'%s'\n",k,vv))
+                    end
+                elseif type(v) == "string" and k ~= ".name" then
+                    dump(string.format("\toption\t%s\t'%s'\n",k,v))
+                elseif type(v) == "number" and k ~= ".name" then
+                    dump(string.format("\toption\t%s\t'%s'\n",k,tonumber(v)))
+                end
+            end
+        end
+    end
+end
+
+return shuci
-- 
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