-- util functions
--------------------------------------------------------------------------------
-local function divide_string( str, max, fillChar )
- fillChar = fillChar or ""
+local function divide_string( str, max )
local result = {}
local start = 1
return ( str:gsub( '.', function ( c )
local byte = string.byte( c )
local bits = {}
- for i = 1,8 do
+ for _ = 1,8 do
table.insert( bits, byte % 2 )
byte = math.floor( byte / 2 )
end
local chunks = divide_string( bitString, bits )
local result = {}
- for key,value in ipairs( chunks ) do
+ for _,value in ipairs( chunks ) do
if ( #value < bits ) then
value = value .. string.rep( '0', bits - #value )
end
end
table.insert( result, pad )
- return table.concat( result )
+ return table.concat( result )
end
--------------------------------------------------------------------------------
"abcdefghijklmnopqrstuvwxyz"..
"0123456789+/"
local base64PadMap = { "", "==", "=" }
-
+
function basexx.from_base64( str, ignore )
str = ignore_set( str, ignore )
return from_basexx( str, base64Alphabet, 6 )
local url64Alphabet = "ABCDEFGHIJKLMNOPQRSTUVWXYZ"..
"abcdefghijklmnopqrstuvwxyz"..
"0123456789-_"
-
+
function basexx.from_url64( str, ignore )
str = ignore_set( str, ignore )
return from_basexx( str, url64Alphabet, 6 )
end
local z85Decoder = { 0x00, 0x44, 0x00, 0x54, 0x53, 0x52, 0x48, 0x00,
- 0x4B, 0x4C, 0x46, 0x41, 0x00, 0x3F, 0x3E, 0x45,
- 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
- 0x08, 0x09, 0x40, 0x00, 0x49, 0x42, 0x4A, 0x47,
- 0x51, 0x24, 0x25, 0x26, 0x27, 0x28, 0x29, 0x2A,
- 0x2B, 0x2C, 0x2D, 0x2E, 0x2F, 0x30, 0x31, 0x32,
- 0x33, 0x34, 0x35, 0x36, 0x37, 0x38, 0x39, 0x3A,
- 0x3B, 0x3C, 0x3D, 0x4D, 0x00, 0x4E, 0x43, 0x00,
- 0x00, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F, 0x10,
- 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18,
- 0x19, 0x1A, 0x1B, 0x1C, 0x1D, 0x1E, 0x1F, 0x20,
+ 0x4B, 0x4C, 0x46, 0x41, 0x00, 0x3F, 0x3E, 0x45,
+ 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
+ 0x08, 0x09, 0x40, 0x00, 0x49, 0x42, 0x4A, 0x47,
+ 0x51, 0x24, 0x25, 0x26, 0x27, 0x28, 0x29, 0x2A,
+ 0x2B, 0x2C, 0x2D, 0x2E, 0x2F, 0x30, 0x31, 0x32,
+ 0x33, 0x34, 0x35, 0x36, 0x37, 0x38, 0x39, 0x3A,
+ 0x3B, 0x3C, 0x3D, 0x4D, 0x00, 0x4E, 0x43, 0x00,
+ 0x00, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F, 0x10,
+ 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18,
+ 0x19, 0x1A, 0x1B, 0x1C, 0x1D, 0x1E, 0x1F, 0x20,
0x21, 0x22, 0x23, 0x4F, 0x00, 0x50, 0x00, 0x00 }
function basexx.from_z85( str, ignore )