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parse ISO 8601 comma-spec'd decimal seconds #31

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merged 3 commits into from Jun 19, 2023
Merged

parse ISO 8601 comma-spec'd decimal seconds #31

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7e53744
parse ISO8601 comma-spec'd decimal seconds
rsk0 Jun 16, 2023
05e4444
add tests for comma decimal and extended format
rsk0 Jun 17, 2023
d7597b2
clean up test comments
rsk0 Jun 17, 2023
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6 changes: 3 additions & 3 deletions src/date.lua
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Expand Up @@ -314,21 +314,21 @@
local function seth(q) h = h and error_dup() or tonumber(q) end
local function setr(q) r = r and error_dup() or tonumber(q) end
local function sets(q) s = s and error_dup() or tonumber(q) end
local function adds(q) s = s + tonumber(q) end
local function adds(q) s = s + tonumber("."..string.sub(q,2,-1)) end
local function setj(q) j = (m or w or j) and error_dup() or tonumber(q); end
local function setz(q) z = (z ~= 0 and z) and error_dup() or q end
local function setzn(zs,zn) zn = tonumber(zn); setz( ((zn<24) and (zn*60) or (mod(zn,100) + floor(zn/100) * 60))*( zs=='+' and -1 or 1) ) end
local function setzc(zs,zh,zm) setz( ((tonumber(zh)*60) + tonumber(zm))*( zs=='+' and -1 or 1) ) end

if not (sw("^(%d%d%d%d)",sety) and (sw("^(%-?)(%d%d)%1(%d%d)",function(_,a,b) setm(tonumber(a)); setd(tonumber(b)) end) or sw("^(%-?)[Ww](%d%d)%1(%d?)",function(_,a,b) w, u = tonumber(a), tonumber(b or 1) end) or sw("^%-?(%d%d%d)",setj) or sw("^%-?(%d%d)",function(a) setm(a);setd(1) end))
and ((sw("^%s*[Tt]?(%d%d):?",seth) and sw("^(%d%d):?",setr) and sw("^(%d%d)",sets) and sw("^(%.%d+)",adds))
and ((sw("^%s*[Tt]?(%d%d):?",seth) and sw("^(%d%d):?",setr) and sw("^(%d%d)",sets) and sw("^([,%.]%d+)",adds))
or sw:finish() or (sw"^%s*$" or sw"^%s*[Zz]%s*$" or sw("^%s-([%+%-])(%d%d):?(%d%d)%s*$",setzc) or sw("^%s*([%+%-])(%d%d)%s*$",setzn))
) )
then --print(y,m,d,h,r,s,z,w,u,j)
sw:restart(); y,m,d,h,r,s,z,w,u,j = nil,nil,nil,nil,nil,nil,nil,nil,nil,nil
repeat -- print(sw:aimchr())
if sw("^[tT:]?%s*(%d%d?):",seth) then --print("$Time")
_ = sw("^%s*(%d%d?)",setr) and sw("^%s*:%s*(%d%d?)",sets) and sw("^(%.%d+)",adds)
_ = sw("^%s*(%d%d?)",setr) and sw("^%s*:%s*(%d%d?)",sets) and sw("^([,%.]%d+)",adds)
elseif sw("^(%d+)[/\\%s,-]?%s*") then --print("$Digits")
x, c = tonumber(sw[1]), len(sw[1])
if (x >= 70) or (m and d and (not y)) or (c > 3) then
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