I've decided to update the script to reflect a couple changes to Rainmeter and to optimize the code thanks to a few things I've learned.
Code: Select all
function Initialize()
Set={
vPrefix=SELF:GetOption('VariablePrefix',''),
mItems=SELF:GetNumberOption('MinItems',0),
Finish=SELF:GetOption('FinishAction',''),
Sub=SELF:GetOption('Sub',''),
}
Matches={
'xmlns:gCal',
'<subtitle>rememberthemilk.com</subtitle>',
'<rss.-version=".-".->',
}
sPatternFeedLink={
'.-<link.-rel=.-alternate.-href=\'(.-)\'',
'.-<link.-rel=.-alternate.-href="(.-)"',
'.-<link.->(.-)</link>',
'.-<link.-href="(.-)"',
}
sPatternItem={
'<entry.-</entry>',
'<entry.-</entry>',
'<item.-</item>',
'<entry.-</entry>',
}
sPatternItemLink={
'.-<link.-href=\'(.-)\'',
'.-<link.-href="(.-)"',
'.-<link.->(.-)</link>',
'.-<link.-href="(.-)"',
}
sPatternItemDate={
'.-When: (.-)<',
'<span class="rtm_due_value">(.-)</span>',
'.-<pubDate.->(.-)</pubDate>',
'.-<updated.->(.-)</updated>',
}
iCurrentFeed=1
Measures={}
for a in string.gmatch(SELF:GetOption('FeedMeasureName',''),'[^%|]+') do
table.insert(Measures,SKIN:GetMeasure(a))
end
SKIN:Bang('!SetVariable','NumberOfFeeds',#Measures)
end
function Update()
SKIN:Bang('!SetVariable','CurrentFeed',iCurrentFeed)
tTitles,tLinks,tDates={},{},{}
-- INPUT FEED
sRaw=Substitute(Measures[iCurrentFeed]:GetStringValue(),Set.Sub)
-- DETERMINE FEED FORMAT AND CONTENTS
FeedType=4
for i=1,3 do if string.match(sRaw,Matches[i]) then FeedType=i break end end
-- CREATE DATABASE
sFeedTitle,sFeedLink=string.match(sRaw,'.-<title.->(.-)</title>'..sPatternFeedLink[FeedType])
for sItem in string.gmatch(sRaw,sPatternItem[FeedType]) do
table.insert(tTitles,string.match(sItem,'.-<title.->(.-)</title>'))
table.insert(tLinks,string.match(sItem,sPatternItemLink[FeedType]))
table.insert(tDates,string.match(sItem,sPatternItemDate[FeedType]) or '')
end
-- ERRORS
if not sFeedTitle then
FeedError('Matching Error','','No valid feed was found.')
return 'Error: matching.'
elseif #tTitles==0 then
FeedError(sFeedTitle,'','Empty.')
return 'Error: empty feed.'
end
-- OUTPUT
for k,v in pairs({
NumberOfItems=#tTitles,
FeedTitle=sFeedTitle,
FeedLink=sFeedLink,
}) do SKIN:Bang('!SetVariable',Set.vPrefix..k,v) end
for i=1,(Set.mItems>#tTitles and Set.mItems or #tTitles) do
SKIN:Bang('!SetVariable',Set.vPrefix..'ItemTitle'..i, tTitles[i])
SKIN:Bang('!SetVariable',Set.vPrefix..'ItemLink'..i, tLinks[i] or 'No item found.')
SKIN:Bang('!SetVariable',Set.vPrefix..'ItemDate'..i, tDates[i])
end
-- FINISH ACTION
if Set.Finish~='' then SKIN:Bang(Set.Finish) end
return 'Success!'
end
-- SWITCHERS
function SwitchToNext()
iCurrentFeed=iCurrentFeed%#Measures+1
Update()
end
function SwitchToPrevious()
iCurrentFeed=iCurrentFeed==1 and #Measures or iCurrentFeed-1
Update()
end
function SwitchTo(a)
iCurrentFeed=tonumber(a)
Update()
end
function FeedError(sErrorName,sErrorLink,sErrorDesc)
for k,v in pairs({
FeedTitle=sErrorName,
FeedLink=sErrorLink,
ItemTitle1=sErrorDesc,
ItemLink1='',
ItemDate1='',
}) do SKIN:Bang('!SetVariable',Set.vPrefix..k,v) end
for i=2,Set.mItems do
SKIN:Bang('!SetVariable',Set.vPrefix..'ItemTitle'..i,'')
SKIN:Bang('!SetVariable',Set.vPrefix..'ItemLink'..i,'')
SKIN:Bang('!SetVariable',Set.vPrefix..'ItemDate'..i,'')
end
end
function Substitute(Val,Sub)
Val=tostring(Val)
Sub='"'..string.gsub(Sub,'%[','%%%[')..'"'
local Strip=function(a) return string.match(a,'^[\'"](.*)[\'"]$') or '' end
for a in string.gmatch(Sub,'[^,]+') do
local l,r=string.match(a,'(.*):(.*)')
Val=string.gsub(Val,Strip(l),Strip(r))
end
return Val
end
