Rename module vcalendar => vcomponent.

1 files changed, 0 insertions, 88 deletions

diff --git a/module/vcalendar/timezone.scm b/module/vcalendar/timezone.scm
deleted file mode 100644
index 560289d4..00000000
--- a/module/vcalendar/timezone.scm
+++ /dev/null
@@ -1,88 +0,0 @@
-(define-module (vcalendar timezone)
-  :use-module (vcalendar)
-  :use-module ((srfi srfi-1) :select (find))
-  :use-module (srfi srfi-19)
-  :use-module (srfi srfi-19 util)
-  :use-module (srfi srfi-41)
-  :use-module (srfi srfi-41 util)
-  :use-module (util)
-  :use-module ((vcalendar recurrence generate) :select (generate-recurrence-set))
-  :use-module ((vcalendar datetime) :select (ev-time<?))
-  )
-
-;;@begin exampe
-;; <VTIMEZONE> :: "#<vcomponent 558c5da80fc0>"
-;;                  TZID: Europe/Stockholm
-;;        X-LIC-LOCATION: Europe/Stockholm
-;; : <DAYLIGHT> :: "#<vcomponent 558c5e11e7c0>"
-;; :                RRULE: FREQ=YEARLY;BYMONTH=3;BYDAY=-1SU
-;; :              DTSTART: 19700329T020000
-;; :               TZNAME: CEST
-;; :           TZOFFSETTO: +0200
-;; :         TZOFFSETFROM: +0100
-;; : <STANDARD> :: "#<vcomponent 558c5e11e7e0>"
-;; :                RRULE: FREQ=YEARLY;BYMONTH=10;BYDAY=-1SU
-;; :              DTSTART: 19701025T030000
-;; :               TZNAME: CET
-;; :           TZOFFSETTO: +0100
-;; :         TZOFFSETFROM: +0200
-;; @end example
-
-;; Given a tz stream of length 2, takes the time difference between the DTSTART
-;; of those two. And creates a new VTIMEZONE with that end time.
-;; TODO set remaining properties, and type of the newly created component.
-(define (extrapolate-tz-stream strm)
-  (let ((nevent (copy-vcomponent (stream-ref strm 1))))
-    (mod! (attr nevent 'DTSTART)
-          = (add-duration (time-difference
-                           (attr (stream-ref strm 1) 'DTSTART)
-                           (attr (stream-ref strm 0) 'DTSTART))))
-    (stream-append strm (stream nevent))))
-
-;; The RFC requires that at least one DAYLIGHT or STANDARD component is present.
-;; Any number of both can be present. This should handle all these cases well,
-;; as long as noone has multiple overlapping timezones, which depend on some
-;; further condition. That feels like something that should be impossible, but
-;; this is (human) time we are talking about.
-(define-public (make-tz-set tz)
-  (let ((strm (interleave-streams
-               ev-time<?
-               ;; { DAYLIGHT, STANDARD }
-               (map generate-recurrence-set (children tz)))))
-
-    (cond [(stream-null? strm) stream-null]
-
-          [(stream-null? (stream-drop 2 strm))
-           (let ((strm (extrapolate-tz-stream strm)))
-             (stream-zip strm (stream-cdr strm)))]
-
-          [else (stream-zip strm (stream-cdr strm))])))
-
-(define (parse-offset str)
-  (let* (((pm h1 h0 m1 m0) (string->list str)))
-    ((primitive-eval (symbol pm))
-     (+ (* 60 (string->number (list->string (list m1 m0))))
-        (* 60 60 (string->number (list->string (list h1 h0))))))))
-
-;; Finds the VTIMEZONE with id @var{tzid} in calendar.
-;; Crashes on error.
-(define (find-tz cal tzid)
-  (let ((ret (find (lambda (tz) (string=? tzid (attr tz 'TZID)))
-                   (children cal 'VTIMEZONE))))
-    ret))
-
-;; Takes a VEVENT.
-;; Assumes that DTSTART has a TZID property, and that that TZID is available as
-;; a direct child of the parent of @var{ev}.
-(define-public (get-tz-offset ev)
-  (let ((ret (stream-find
-              (lambda (z)
-                (let* (((start end) (map (extract 'DTSTART) z)))
-                  (and (time<=? start (attr ev 'DTSTART))
-                       (time<? (attr ev 'DTSTART) end))))
-              (attr (find-tz (parent ev)
-                             (car (prop (attr* ev 'DTSTART) 'TZID)))
-                    'X-HNH-TZSET))))
-    (if (not ret)
-        0 (parse-offset (attr (car ret) 'TZOFFSETTO)))))
-