add : USB CDC虚拟串口通讯

4G/tools/_temp/script/temp_script/utils.lua

@@ -0,0 +1,286 @@
+
+
+
+
+
+
+module(..., package.seeall)
+
+
+
+
+
+
+
+
+
+
+function string.toHex(str, separator)
+return str:gsub('.', function(c)
+return string.format("%02X" .. (separator or ""), string.byte(c))
+end)
+end
+
+
+
+
+
+
+
+function string.fromHex(hex)
+
+local hex = hex:gsub("[%s%p]", ""):upper()
+return hex:gsub("%x%x", function(c)
+return string.char(tonumber(c, 16))
+end)
+end
+
+
+
+
+
+
+
+
+function string.toValue(str)
+return string.fromHex(str:gsub("%x", "0%1"))
+end
+
+
+
+
+
+function string.utf8Len(str)
+local _, count = string.gsub(str, "[^\128-\193]", "")
+return count
+end
+
+
+
+
+
+function string.utf8ToTable(str)
+local tab = {}
+for uchar in string.gfind(str, "[%z\1-\127\194-\244][\128-\191]*") do
+tab[#tab + 1] = uchar
+end
+return tab
+end
+
+
+
+
+
+
+function string.rawurlEncode(str)
+local t = str:utf8ToTable()
+for i = 1, #t do
+if #t[i] == 1 then
+t[i] = string.gsub(string.gsub(t[i], "([^%w_%~%.%- ])", function(c) return string.format("%%%02X", string.byte(c)) end), " ", "%%20")
+else
+t[i] = string.gsub(t[i], ".", function(c) return string.format("%%%02X", string.byte(c)) end)
+end
+end
+return table.concat(t)
+end
+
+
+
+
+
+
+function string.urlEncode(str)
+local t = str:utf8ToTable()
+for i = 1, #t do
+if #t[i] == 1 then
+t[i] = string.gsub(string.gsub(t[i], "([^%w_%*%.%- ])", function(c) return string.format("%%%02X", string.byte(c)) end), " ", "+")
+else
+t[i] = string.gsub(t[i], ".", function(c) return string.format("%%%02X", string.byte(c)) end)
+end
+end
+return table.concat(t)
+end
+
+
+
+
+
+
+
+function table.gsort(t, f)
+local a = {}
+for n in pairs(t) do a[#a + 1] = n end
+table.sort(a, f)
+local i = 0
+return function()
+i = i + 1
+return a[i], t[a[i]]
+end
+end
+
+
+
+
+
+function table.rconcat(l)
+if type(l) ~= "table" then return l end
+local res = {}
+for i = 1, #l do
+res[i] =table.rconcat(l[i])
+end
+return table.concat(res)
+end
+
+
+
+
+
+function string.formatNumberThousands(num)
+local k, formatted
+formatted = tostring(tonumber(num))
+while true do
+formatted, k = string.gsub(formatted, "^(-?%d+)(%d%d%d)", '%1,%2')
+if k == 0 then break end
+end
+return formatted
+end
+
+
+
+
+
+
+function string.split(str, delimiter)
+local strlist, tmp = {}, string.byte(delimiter)
+if delimiter == "" then
+for i = 1, #str do strlist[i] = str:sub(i, i) end
+else
+for substr in string.gmatch(str .. delimiter, "(.-)" .. (((tmp > 96 and tmp < 123) or (tmp > 64 and tmp < 91) or (tmp > 47 and tmp < 58)) and delimiter or "%" .. delimiter)) do
+table.insert(strlist, substr)
+end
+end
+return strlist
+end
+
+
+
+
+
+
+function string.checkSum(str, num)
+assert(type(str) == "string", "The first argument is not a string!")
+local sum = 0
+for i = 1, #str do
+sum = sum + str:sub(i, i):byte()
+end
+if num == 2 then
+return sum % 0x10000
+else
+return sum % 0x100
+end
+end
+
+
+
+
+
+function io.exists(path)
+local file = io.open(path, "r")
+if file then
+io.close(file)
+return true
+end
+return false
+end
+
+
+
+
+function io.readFile(path)
+local file = io.open(path, "rb")
+if file then
+local content = file:read("*a")
+io.close(file)
+return content
+end
+end
+
+
+
+
+
+
+
+
+function io.writeFile(path, content, mode)
+local mode = mode or "w+b"
+local file = io.open(path, mode)
+if file then
+if file:write(content) == nil then return false end
+io.close(file)
+return true
+else
+return false
+end
+end
+
+
+
+
+function io.pathInfo(path)
+local pos = string.len(path)
+local extpos = pos + 1
+while pos > 0 do
+local b = string.byte(path, pos)
+if b == 46 then
+extpos = pos
+elseif b == 47 then
+break
+end
+pos = pos - 1
+end
+
+local dirname = string.sub(path, 1, pos)
+local filename = string.sub(path, pos + 1)
+extpos = extpos - pos
+local basename = string.sub(filename, 1, extpos - 1)
+local extname = string.sub(filename, extpos)
+return {
+dirname = dirname,
+filename = filename,
+basename = basename,
+extname = extname
+}
+end
+
+
+
+
+function io.fileSize(path)
+local size = 0
+local file = io.open(path, "r")
+if file then
+local current = file:seek()
+size = file:seek("end")
+file:seek("set", current)
+io.close(file)
+end
+return size
+end
+
+
+
+
+
+
+function io.readStream(path, offset, len)
+local file, str = io.open(path, "r")
+if file then
+local current = file:seek()
+file:seek("set", offset)
+str = file:read(len)
+file:seek("set", current)
+io.close(file)
+end
+return str
+end