dateValue

dateValue関数は、日付形式の文字列をシリアル値に変換する関数です。

構文
dateValue( str )
引数
str
戻値

プログラム

//////////////////////////////////////////////////
// 【引数】
//   str 
// 【戻値】
// 
//////////////////////////////////////////////////
FUNCTION dateValue(str)
HASHTBL Pattern
Pattern["year"] = "(190[0-9]|19[1-9][0-9]|[2-9][0-9]{3})"
Pattern["month"] = "(1[0-2]|0?[1-9])"
Pattern["day"] = "([1-2][0-9]|3[0-1]|0?[1-9])"
SELECT TRUE
CASE reTest(str, Pattern["year"] + "/" + Pattern["month"] + "/" + Pattern["day"])
Matches = reExecute(str, Pattern["year"] + "/" + Pattern["month"] + "/" + Pattern["day"])
WITH Matches.Item(0)
date = .SubMatches(0) + "/" + text(VAL(.SubMatches(1)), "00") + "/" + text(VAL(.SubMatches(2)), "00")
ENDWITH
CASE reTest(str, Pattern["year"] + "年" + Pattern["month"] + "月" + Pattern["day"] + "日")
Matches = reExecute(str, Pattern["year"] + "年" + Pattern["month"] + "月" + Pattern["day"] + "日")
WITH Matches.Item(0)
date = .SubMatches(0) + "/" + text(VAL(.SubMatches(1)), "00") + "/" + text(VAL(.SubMatches(2)), "00")
ENDWITH
CASE reTest(str, Pattern["month"] + "/" + Pattern["day"])
Matches = reExecute(str, Pattern["month"] + "/" + Pattern["day"])
GETTIME()
WITH Matches.Item(0)
date = G_TIME_YY4 + "/" + text(VAL(.SubMatches(0)), "00") + "/" + text(VAL(.SubMatches(1)), "00")
ENDWITH
CASE reTest(str, Pattern["month"] + "月" + Pattern["day"] + "日")
Matches = reExecute(str, Pattern["month"] + "月" + Pattern["day"] + "日")
GETTIME()
WITH Matches.Item(0)
date = G_TIME_YY4 + "/" + text(VAL(.SubMatches(0)), "00") + "/" + text(VAL(.SubMatches(1)), "00")
ENDWITH
CASE reTest(str, "^(Jan|Feb|Mar|Apr|May|Jun|Jul|Aug|Sep|Oct|Nov|Dec)-" + Pattern["day"] + "$")
Matches = reExecute(str, "^(Jan|Feb|Mar|Apr|May|Jun|Jul|Aug|Sep|Oct|Nov|Dec)-" + Pattern["day"] + "$")
SELECT Matches.Item(0).SubMatches(0)
CASE "Jan";		m = "01"
CASE "Feb";		m = "02"
CASE "Mar";		m = "03"
CASE "Apr";		m = "04"
CASE "May";		m = "05"
CASE "Jun";		m = "06"
CASE "Jul";		m = "07"
CASE "Aug";		m = "08"
CASE "Sep";		m = "09"
CASE "Oct";		m = "10"
CASE "Nov";		m = "11"
CASE "Dec";		m = "12"
SELEND
GETTIME()
date = G_TIME_YY4 + m + Matches.Item(0).SubMatches(1)
SELEND
RESULT = uwscToSerial(GETTIME(0, date))
FEND
//////////////////////////////////////////////////
// 【引数】
//   interval : 時間単位(yyyy︰年、m︰月、d︰日) 
//   date1 : 日時1 
//   date2 : 日時2 
// 【戻値】
//   date2からdate1を引いた日数を求めます。 
//////////////////////////////////////////////////
FUNCTION dateDiff(interval, date1, date2)
DIM y1, y2, m1, m2, d1, d2, d
SELECT interval
CASE "yyyy"
GETTIME(0, date1)
y1 = G_TIME_YY
GETTIME(0, date2)
y2 = G_TIME_YY
d = y2 - y1
CASE "m"
GETTIME(0, date1)
y1 = G_TIME_YY
m1 = G_TIME_MM
GETTIME(0, date2)
y2 = G_TIME_YY
m2 = G_TIME_MM
d = (y2 - y1) * 12 + m2 - m1
CASE "d"
d1 = GETTIME(0, date1)
d2 = GETTIME(0, date2)
d = (d2 - d1) / 86400
SELEND
RESULT = d
FEND
//////////////////////////////////////////////////
// 【引数】
//   数値 : GETTIMEで取得した曜日の番号(G_TIME_WW=0:日曜….6:土曜) 
//   フォーマット : 以下のアルファベットは数値で指定した対応する曜日に置き換えられます。(aaa : 日〜土、aaaa : 日曜日〜土曜日、ddd : Sun〜Sat、dddd : Sunday〜Saturday) 
// 【戻値】
//   数値をフォーマットした文字列を返します。 
//////////////////////////////////////////////////
FUNCTION getWeekdayName(num, format = "aaa")
DIM re = CREATEOLEOBJ("VBScript.RegExp")
DIM aaa[] = "日", "月", "火", "水", "木", "金", "土";
DIM aaaa[] = "日曜日", "月曜日", "火曜日", "水曜日", "木曜日", "金曜日", "土曜日";
DIM ddd[] = "Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat";
DIM dddd[] = "Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday";
match = reExecute(format, "(a|d)+")
type = match.Item(0).Value
RESULT = reReplace(format, EVAL(type + "[" + num + "]"), type)
FEND
//////////////////////////////////////////////////
// 【引数】
//   シリアル値 : 時間を表すシリアル値を指定 
// 【戻値】
//   例)0…00、0.5…12、1.0…24 
//////////////////////////////////////////////////
FUNCTION Hour(serial)
RESULT = REPLACE(FORMAT(INT(serial * 24), 2), " ", "0")
FEND
//////////////////////////////////////////////////
// 【引数】
//   str : 正規表現による検索の対象となる文字列 
//   Pattern : 正規表現で使用するパターンを設定 
//   IgnoreCase : 大文字・小文字を区別しない場合はTrue、区別する場合はFalse 
//   Global : 文字列全体を検索する場合はTrue、しない場合はFalse 
// 【戻値】
//   正規表現で検索した結果をMatchesコレクションとして返します。 
//////////////////////////////////////////////////
FUNCTION reExecute(str, Pattern, IgnoreCase = TRUE, Global = TRUE)
DIM re = CREATEOLEOBJ("VBScript.RegExp")
re.Pattern = Pattern
re.IgnoreCase = IgnoreCase
re.Global = Global
RESULT = re.Execute(str)
FEND
//////////////////////////////////////////////////
// 【引数】
//   str1 : 置換される文字列 
//   str2 : 置換後の文字列 
//   Pattern : 置換する文字列のパターン 
//   IgnoreCase : 大文字・小文字を区別しない場合はTrue、区別する場合はFalse 
//   Global : 文字列全体を検索する場合はTrue、しない場合はFalse 
// 【戻値】
//   正規表現置換後の文字列 
//////////////////////////////////////////////////
FUNCTION reReplace(str1, str2, Pattern, IgnoreCase = TRUE, Global = TRUE)
DIM re = CREATEOLEOBJ("VBScript.RegExp")
re.Pattern = Pattern
re.IgnoreCase = IgnoreCase
re.Global = Global
RESULT = re.Replace(str1, str2)
FEND
//////////////////////////////////////////////////
// 【引数】
//   str : 正規表現による検索の対象となる文字列 
//   Pattern : 正規表現で使用するパターンを設定 
//   IgnoreCase : 大文字・小文字を区別しない場合はTrue、区別する場合はFalse 
//   Global : 文字列全体を検索する場合はTrue、しない場合はFalse 
// 【戻値】
//   正規表現にマッチするかどうか 
//////////////////////////////////////////////////
FUNCTION reTest(str, Pattern, IgnoreCase = TRUE, Global = TRUE)
DIM re = CREATEOLEOBJ("VBScript.RegExp")
re.Pattern = Pattern
re.IgnoreCase = IgnoreCase
re.Global = Global
RESULT = re.Test(str)
FEND
//////////////////////////////////////////////////
// 【引数】
//   inputs : 繰り返す文字列 
//   multiplier : inputsを繰り返す回数 
// 【戻値】
//   inputsをmultiplier回を繰り返した文字列を返します 
//////////////////////////////////////////////////
FUNCTION strRepeat(inputs, multiplier)
DIM res = ""
FOR n = 1 TO multiplier
res = res + inputs
NEXT
RESULT = res
FEND
//////////////////////////////////////////////////
// 【引数】
//   serial : シリアル値 
//   format : フォーマット 
// 【戻値】
//   数値を表示書式に基づいて変換した文字列 
//////////////////////////////////////////////////
FUNCTION text(serial, format)
HASHTBL startDate
startDate["明治"] = "1868/01/25"
startDate["大正"] = "1912/07/30"
startDate["昭和"] = "1926/12/25"
startDate["平成"] = "1989/01/08"
startDate["令和"] = "2019/05/01"
DIM baseDate = "1899/12/30"
SELECT TRUE
CASE reTest(format, "\[h+\]")
Matches = reExecute(format, "\[(h+)\]")
RESULT = text(Hour(serial), strRepeat("0", LENGTH(Matches.Item(0).SubMatches(0))))
CASE reTest(format, "^h+$")
Matches = reExecute(format, "^(h+)$")
RESULT = text(Hour(serial) MOD 24, strRepeat("0", LENGTH(Matches.Item(0).SubMatches(0))))
CASE reTest(format, "\[m+\]")
Matches = reExecute(format, "\[(m+)\]")
RESULT = text(serial * 1440, strRepeat("0", LENGTH(Matches.Item(0).SubMatches(0))))
CASE format = "m"
GETTIME(serial, baseDate)
RESULT = text(G_TIME_MM, "0")
CASE format = "mm"
GETTIME(serial, baseDate)
RESULT = G_TIME_MM2
CASE format = "n"
GETTIME(serial, baseDate)
RESULT = G_TIME_NN
CASE format = "nn"
GETTIME(serial, baseDate)
RESULT = G_TIME_NN2
CASE format = "s"
GETTIME(serial, baseDate)
RESULT = text(G_TIME_SS, "0")
CASE format = "ss"
GETTIME(serial, baseDate)
RESULT = G_TIME_SS2
CASE format = "yyyy"
GETTIME(serial, baseDate)
RESULT = G_TIME_YY4
CASE format = "yy"
GETTIME(serial, baseDate)
RESULT = COPY(G_TIME_YY4, 3, 2)
CASE format = "e"
SELECT TRUE
CASE dateDiff("d", startDate["令和"], text(serial, "yyyy/mm/dd")) >= 0
RESULT = text(serial, "yyyy") - 2018
CASE dateDiff("d", startDate["平成"], text(serial, "yyyy/mm/dd")) >= 0
RESULT = text(serial, "yyyy") - 1988
CASE dateDiff("d", startDate["昭和"], text(serial, "yyyy/mm/dd")) >= 0
RESULT = text(serial, "yyyy") - 1925
CASE dateDiff("d", startDate["大正"], text(serial, "yyyy/mm/dd")) >= 0
RESULT = text(serial, "yyyy") - 1911
CASE dateDiff("d", startDate["明治"], text(serial, "yyyy/mm/dd")) >= 0
RESULT = text(serial, "yyyy") - 1867
SELEND
CASE format = "ee"
SELECT TRUE
CASE dateDiff("d", startDate["令和"], text(serial, "yyyy/mm/dd")) >= 0
RESULT = text(text(serial, "yyyy") - 2018, "00")
CASE dateDiff("d", startDate["平成"], text(serial, "yyyy/mm/dd")) >= 0
RESULT = text(text(serial, "yyyy") - 1988, "00")
CASE dateDiff("d", startDate["昭和"], text(serial, "yyyy/mm/dd")) >= 0
RESULT = text(text(serial, "yyyy") - 1925, "00")
CASE dateDiff("d", startDate["大正"], text(serial, "yyyy/mm/dd")) >= 0
RESULT = text(text(serial, "yyyy") - 1911, "00")
CASE dateDiff("d", startDate["明治"], text(serial, "yyyy/mm/dd")) >= 0
RESULT = text(text(serial, "yyyy") - 1867, "00")
SELEND
CASE format = "g"
SELECT TRUE
CASE dateDiff("d", startDate["令和"], text(serial, "yyyy/mm/dd")) >= 0;		RESULT = "R"
CASE dateDiff("d", startDate["平成"], text(serial, "yyyy/mm/dd")) >= 0;		RESULT = "H"
CASE dateDiff("d", startDate["昭和"], text(serial, "yyyy/mm/dd")) >= 0;		RESULT = "S"
CASE dateDiff("d", startDate["大正"], text(serial, "yyyy/mm/dd")) >= 0;		RESULT = "T"
CASE dateDiff("d", startDate["明治"], text(serial, "yyyy/mm/dd")) >= 0;		RESULT = "M"
SELEND
CASE format = "gg"
RESULT = COPY(text(serial, "ggg"), 1, 1)
CASE format = "ggg"
SELECT TRUE
CASE dateDiff("d", startDate["令和"], text(serial, "yyyy/mm/dd")) >= 0;		RESULT = "令和"
CASE dateDiff("d", startDate["平成"], text(serial, "yyyy/mm/dd")) >= 0;		RESULT = "平成"
CASE dateDiff("d", startDate["昭和"], text(serial, "yyyy/mm/dd")) >= 0;		RESULT = "昭和"
CASE dateDiff("d", startDate["大正"], text(serial, "yyyy/mm/dd")) >= 0;		RESULT = "大正"
CASE dateDiff("d", startDate["明治"], text(serial, "yyyy/mm/dd")) >= 0;		RESULT = "明治"
SELEND
CASE format = "mmmmm"
RESULT = COPY(text(serial, "mmmm"), 1, 1)
CASE format = "mmmm"
SELECT text(serial, "m")
CASE 1;  RESULT = "January"
CASE 2;  RESULT = "February"
CASE 3;  RESULT = "March"
CASE 4;  RESULT = "April"
CASE 5;  RESULT = "May"
CASE 6;  RESULT = "June"
CASE 7;  RESULT = "July"
CASE 8;  RESULT = "August"
CASE 9;  RESULT = "September"
CASE 10; RESULT = "October"
CASE 11; RESULT = "November"
CASE 12; RESULT = "December"
SELEND
CASE format = "mmm"
RESULT = COPY(text(serial, "mmmm"), 1, 3)
CASE format = "dd"
GETTIME(serial, baseDate)
RESULT = text(G_TIME_DD2, "00")
CASE format = "d"
GETTIME(serial, baseDate)
RESULT = text(G_TIME_DD, "0")
CASE format = "aaaa"
GETTIME(serial, baseDate)
RESULT = getWeekdayName(G_TIME_WW, "aaaa")
CASE format = "aaa"
GETTIME(serial, baseDate)
RESULT = getWeekdayName(G_TIME_WW, "aaa")
CASE format = "dddd"
GETTIME(serial, baseDate)
RESULT = getWeekdayName(G_TIME_WW, "dddd")
CASE format = "ddd"
GETTIME(serial, baseDate)
RESULT = getWeekdayName(G_TIME_WW, "ddd")
CASE reTest(format, "(0+\.?0+)?%")
Matches = reExecute(format, "(0+\.?0+)?%")
RESULT = text(serial * 100, Matches.Item(0).SubMatches(0)) + "%"
CASE reTest(format, "^\[DBNum\d{1,4}\](.*?)$")
Matches = reExecute(format, "^\[DBNum(\d{1,4})\](.*?)$")
SELECT Matches.Item(0).SubMatches(0)
CASE 1
CASE 2
CASE 3
RESULT = STRCONV(text(serial, Matches.Item(0).SubMatches(1)), SC_FULLWIDTH)
CASE 4
SELEND
CASE reTest(format, "^(.*?)(AM\/PM|am\/pm|A\/P|a\/p)(.*?)$")
Matches = reExecute(format, "^(.*?)(AM\/PM|am\/pm|A\/P|a\/p)(.*?)$")
res = ""
WITH Matches.Item(0)
res = text(serial, .SubMatches(0)) + .SubMatches(1) + text(serial, .SubMatches(2))
ENDWITH
RESULT = res
CASE reTest(format, "([^ymdagehns]{0,})?(([ymdagehns])\3{0,})([^ymdagehns]+)?")
Matches = reExecute(format, "([^ymdagehns]{0,})?(([ymdagehns])\3{0,})([^ymdagehns]+)?")
FOR n = 0 TO Matches.Count - 1
IF n = 0 THEN res = Matches.Item(n).SubMatches(0)
NEXT
FOR n = 0 TO Matches.Count - 1
WITH Matches.Item(n)
res = res + text(serial, .SubMatches(1)) + .SubMatches(3)
ENDWITH
NEXT
RESULT = res
CASE reTest(format, "(0+)\.?(0+)?") AND UBound(SPLIT(format, ".")) <= 1 
Matches = reExecute(format, "(0+)\.?(0+)?")
len1 = LENGTH(Matches.Item(0).SubMatches(0))
len2 = LENGTH(Matches.Item(0).SubMatches(1))
DIM arr[] = LENGTH(INT(serial)), len1
IFB POS(".", format) THEN
RESULT = REPLACE(FORMAT(serial, CALCARRAY(arr, CALC_MAX) + len2 + 1, len2), " ", "0")
ELSE
RESULT = REPLACE(FORMAT(serial, CALCARRAY(arr, CALC_MAX)), " ", "0")
ENDIF
SELEND
FEND
//////////////////////////////////////////////////
// 【引数】
//   配列 : 上限値を求める配列 
// 【戻値】
//   配列の上限値 
//////////////////////////////////////////////////
FUNCTION UBound(array[])
RESULT = RESIZE(array)
FEND
//////////////////////////////////////////////////
// 【引数】
//   uwscTime : UWSC時間 
// 【戻値】
//   シリアル値 
//////////////////////////////////////////////////
FUNCTION uwscToSerial(uwscTime)
uwscDate = uwscTime / 86400
RESULT = 36526 + uwscDate
FEND

解説

  1. 2-5行目
    	HASHTBL Pattern	Pattern["year"] = "(190[0-9]|19[1-9][0-9]|[2-9][0-9]{3})"	Pattern["month"] = "(1[0-2]|0?[1-9])"	Pattern["day"] = "([1-2][0-9]|3[0-1]|0?[1-9])"
    年・月・日それぞれの正規表現パターンを指定した連想配列。
  2. 6行目
    	SELECT TRUE
    reTest(str, Pattern["year"] + "/" + Pattern["month"] + "/" + Pattern["day"])
    7行目>>>
    12行目>>>
    17行目>>>
    23行目>>>
    29行目>>>
  3. 7-11行目
    		CASE reTest(str, Pattern["year"] + "/" + Pattern["month"] + "/" + Pattern["day"])			Matches = reExecute(str, Pattern["year"] + "/" + Pattern["month"] + "/" + Pattern["day"])			WITH Matches.Item(0)				date = .SubMatches(0) + "/" + text(VAL(.SubMatches(1)), "00") + "/" + text(VAL(.SubMatches(2)), "00")			ENDWITH
  4. 12-16行目
    		CASE reTest(str, Pattern["year"] + "年" + Pattern["month"] + "月" + Pattern["day"] + "日")			Matches = reExecute(str, Pattern["year"] + "年" + Pattern["month"] + "月" + Pattern["day"] + "日")			WITH Matches.Item(0)				date = .SubMatches(0) + "/" + text(VAL(.SubMatches(1)), "00") + "/" + text(VAL(.SubMatches(2)), "00")			ENDWITH
  5. 17-22行目
    		CASE reTest(str, Pattern["month"] + "/" + Pattern["day"])			Matches = reExecute(str, Pattern["month"] + "/" + Pattern["day"])			GETTIME()			WITH Matches.Item(0)				date = G_TIME_YY4 + "/" + text(VAL(.SubMatches(0)), "00") + "/" + text(VAL(.SubMatches(1)), "00")			ENDWITH
  6. 23-28行目
    		CASE reTest(str, Pattern["month"] + "月" + Pattern["day"] + "日")			Matches = reExecute(str, Pattern["month"] + "月" + Pattern["day"] + "日")			GETTIME()			WITH Matches.Item(0)				date = G_TIME_YY4 + "/" + text(VAL(.SubMatches(0)), "00") + "/" + text(VAL(.SubMatches(1)), "00")			ENDWITH
  7. 29-46行目
    		CASE reTest(str, "^(Jan|Feb|Mar|Apr|May|Jun|Jul|Aug|Sep|Oct|Nov|Dec)-" + Pattern["day"] + "$")			Matches = reExecute(str, "^(Jan|Feb|Mar|Apr|May|Jun|Jul|Aug|Sep|Oct|Nov|Dec)-" + Pattern["day"] + "$")			SELECT Matches.Item(0).SubMatches(0)				CASE "Jan";		m = "01"				CASE "Feb";		m = "02"				CASE "Mar";		m = "03"				CASE "Apr";		m = "04"				CASE "May";		m = "05"				CASE "Jun";		m = "06"				CASE "Jul";		m = "07"				CASE "Aug";		m = "08"				CASE "Sep";		m = "09"				CASE "Oct";		m = "10"				CASE "Nov";		m = "11"				CASE "Dec";		m = "12"			SELEND			GETTIME()			date = G_TIME_YY4 + m + Matches.Item(0).SubMatches(1)
  8. 48行目
    	RESULT = uwscToSerial(GETTIME(0, date))