X-Git-Url: https://git.madduck.net/etc/awesome.git/blobdiff_plain/a74ef4ee5f93ac14d3ee03bf70a78d6a192e351f..6db06b57e851ec08d5355f015d6df1ebe58b4982:/src/timetable.lua diff --git a/src/timetable.lua b/src/timetable.lua index aef8ca4..d1cd534 100644 --- a/src/timetable.lua +++ b/src/timetable.lua @@ -75,7 +75,9 @@ local function unpack_tm ( tm ) assert ( tm.day , "day required" ) , tm.hour or 12 , tm.min or 0 , - tm.sec or 0 + tm.sec or 0 , + tm.yday , + tm.wday end -- Modify parameters so they all fit within the "normal" range @@ -149,14 +151,23 @@ function timetable_methods:rfc_3339 ( ) return strformat ( "%04u-%02u-%02uT%02u:%02u:%06.4g" , unpack_tm ( self ) ) end -local timetable_mt = { +local timetable_mt + +local function coerce_arg ( t ) + if getmetatable ( t ) == timetable_mt then + return t:timestamp ( ) + end + return t +end + +timetable_mt = { __index = timetable_methods ; __tostring = timetable_methods.rfc_3339 ; __eq = function ( a , b ) - return a:timestamp() == b:timestamp() + return coerce_arg ( a ) == coerce_arg ( b ) end ; __lt = function ( a , b ) - return a:timestamp() < b:timestamp() + return coerce_arg ( a ) < coerce_arg ( b ) end ; } @@ -164,7 +175,7 @@ local function cast_timetable ( tm ) return setmetatable ( tm , timetable_mt ) end -local function new_timetable ( year , month , day , hour , min , sec ) +local function new_timetable ( year , month , day , hour , min , sec , yday , wday ) return cast_timetable { year = year ; month = month ; @@ -172,9 +183,15 @@ local function new_timetable ( year , month , day , hour , min , sec ) hour = hour ; min = min ; sec = sec ; + yday = yday ; + wday = wday ; } end +function timetable_methods:clone ( ) + return new_timetable ( unpack_tm ( self ) ) +end + local function new_from_timestamp ( ts ) return new_timetable ( 1970 , 1 , 1 , 0 , 0 , ts ) end