property NSUUID : a reference to current application’s NSUUID
property NSString : a reference to current application’s NSString
property HTMLDocument : a reference to current application’s HTMLDocument
property NSMutableArray : a reference to current application’s NSMutableArray
property NSJSONSerialization : a reference to current application’s NSJSONSerialization

set aTag to "table"

set indRes to getVisibleElementIndexList(aTag) of me
if indRes = false or indRes = {} then
　　display notification "No Visible Table in Web browser"
　　return
end if

tell application "Safari"
　　tell front document
　　　　set aSource to source
　　end tell
end tell

repeat with i in indRes
　　set inList to filterATableAndPaseCells(aSource, i, aTag) of me
　　if inList = false or inList = {} then return
　　set aUUID to current application’s NSUUID’s UUID()’s UUIDString() as text
　　set aNewFile to ((path to desktop) as string) & aUUID & ".csv"
　　saveAsCSV(inList, aNewFile) of me
　　
　　tell application "Numbers"
　　　　open (aNewFile as alias)
　　end tell
end repeat

tell application "Numbers" to activate

on filterATableAndPaseCells(aSource as string, targInd as integer, aTag as string)
　　set aHTML to current application’s HTMLDocument’s documentWithString:(aSource as string)
　　
　　–Table要素をリストアップ
　　set eList to (aHTML’s nodesMatchingSelector:aTag) as list
　　set aObj to contents of item (targInd + 1) of eList
　　
　　
　　–Count columns of Table Header
　　set aTableHeader to (aObj’s nodesMatchingSelector:"tr")’s firstObject()
　　set hList to aTableHeader’s nodesMatchingSelector:"th"
　　set hStrList to {}
　　repeat with i1 in hList
　　　　set the end of hStrList to i1’s textContent() as string
　　end repeat
　　set hLen to length of hStrList –count columns
　　
　　–Acquire whole table body contents
　　set aTableBody to (aObj’s nodesMatchingSelector:"tbody")’s firstObject()
　　set bList to aTableBody’s nodesMatchingSelector:"td"
　　set bbList to {}
　　repeat with i2 in bList
　　　　set the end of bbList to i2’s textContent() as string
　　end repeat
　　
　　set tbList to makeList1DTo2D(bbList, hLen) of me
　　
　　return {hStrList} & tbList
end filterATableAndPaseCells

–1D Listを2D化
on makeList1DTo2D(orig1DList as list, aMax)
　　set tbList to {}
　　set tmpList to {}
　　set aCount to 1
　　
　　repeat with i3 in orig1DList
　　　　set j to contents of i3
　　　　set the end of tmpList to j
　　　　
　　　　if aCount ≥ aMax then
　　　　　　set aCount to 1
　　　　　　set the end of tbList to tmpList
　　　　　　set tmpList to {}
　　　　else
　　　　　　set aCount to aCount + 1
　　　　end if
　　end repeat
　　
　　return tbList
end makeList1DTo2D

–Safariのウィンドウ上で表示中のDOM Elementsを座標計算して返す
on getVisibleElementIndexList(aTag as string)
　　tell application "Safari"
　　　　set dCount to count every document
　　　　if dCount = 0 then return false
　　　　
　　　　set jRes to do JavaScript "var winWidth = window.innerWidth,
winHeight = window.innerHeight,
winLeft = window.scrollX
winTop = window.scrollY,
winBottom = winTop + winHeight,
winRight = winLeft + winWidth,
　　　　elementsArray = document.body.getElementsByTagName(’" & aTag & "’),
　　　　elemLen = elementsArray.length,
inView = [];
　　　　　　
　　　　var step;
　　　　for (step = 0 ; step < elemLen ; step++) {
　　　　　　var tmpElem = document.body.getElementsByTagName(’" & aTag & "’)[step];
　　　　　　var bVar = tmpElem.getBoundingClientRect();
　　　　　　if (bVar.top > 0 && bVar.top < winHeight) {
　　　　　　　　inView.push(step);
　　　　　　}
　　　　}
　　　　JSON.stringify(inView);" in front document
　　　　
　　　　set jList to parseJSONAsList(jRes) of me
　　　　return jList
　　　　
　　end tell
end getVisibleElementIndexList

on parseJSONAsList(jsRes as string)
　　set jsonString to NSString’s stringWithString:jsRes
　　set jsonData to jsonString’s dataUsingEncoding:(current application’s NSUTF8StringEncoding)
　　set aJsonDict to NSJSONSerialization’s JSONObjectWithData:jsonData options:0 |error|:(missing value)
　　return aJsonDict as list
end parseJSONAsList

–Save 2D List to CSV file
on saveAsCSV(aList as list, aPath)
　　set crlfChar to (string id 13) & (string id 10)
　　set LF to (string id 10)
　　set wholeText to ""
　　
　　repeat with i in aList
　　　　set newLine to {}
　　　　
　　　　–Sanitize (Double Quote)
　　　　repeat with ii in i
　　　　　　set jj to ii as text
　　　　　　set kk to repChar(jj, string id 34, (string id 34) & (string id 34)) of me –Escape Double Quote
　　　　　　set the end of newLine to kk
　　　　end repeat
　　　　
　　　　–Change Delimiter
　　　　set aLineText to ""
　　　　set curDelim to AppleScript’s text item delimiters
　　　　set AppleScript’s text item delimiters to "＼",＼""
　　　　set aLineList to newLine as text
　　　　set AppleScript’s text item delimiters to curDelim
　　　　
　　　　set aLineText to repChar(aLineList, return, "") of me –delete return
　　　　set aLineText to repChar(aLineText, LF, "") of me –delete lf
　　　　
　　　　set wholeText to wholeText & "＼"" & aLineText & "＼"" & crlfChar –line terminator: CR＋LF
　　end repeat
　　
　　if (aPath as string) does not end with ".csv" then
　　　　set bPath to aPath & ".csv" as Unicode text
　　else
　　　　set bPath to aPath as Unicode text
　　end if
　　
　　writeToFileAsUTF8(wholeText, bPath, false) of me
　　
end saveAsCSV

on writeToFileAsUTF8(this_data, target_file, append_data)
　　tell current application
　　　　try
　　　　　　set the target_file to the target_file as text
　　　　　　set the open_target_file to open for access file target_file with write permission
　　　　　　if append_data is false then set eof of the open_target_file to 0
　　　　　　write this_data as «class utf8» to the open_target_file starting at eof
　　　　　　close access the open_target_file
　　　　　　return true
　　　　on error error_message
　　　　　　try
　　　　　　　　close access file target_file
　　　　　　end try
　　　　　　return error_message
　　　　end try
　　end tell
end writeToFileAsUTF8

on repChar(origText as text, targChar as text, repChar as text)
　　set curDelim to AppleScript’s text item delimiters
　　set AppleScript’s text item delimiters to targChar
　　set tmpList to text items of origText
　　set AppleScript’s text item delimiters to repChar
　　set retText to tmpList as string
　　set AppleScript’s text item delimiters to curDelim
　　return retText
end repChar