From d00fea566004e67161ee45246b239fff5d416b0e Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Hugo=20H=C3=B6rnquist?= <hugo@lysator.liu.se>
Date: Tue, 21 Dec 2021 16:17:28 +0100
Subject: Cleanup modules.

Primarly this moves all vcompenent input and output code to clearly
labeled modules, instead of being spread out. At the same time it also
removes a handfull of unused procedures.
---
 module/vcomponent/parse/types.scm | 140 --------------------------------------
 1 file changed, 140 deletions(-)
 delete mode 100644 module/vcomponent/parse/types.scm

(limited to 'module/vcomponent/parse')

diff --git a/module/vcomponent/parse/types.scm b/module/vcomponent/parse/types.scm
deleted file mode 100644
index ba4b2b47..00000000
--- a/module/vcomponent/parse/types.scm
+++ /dev/null
@@ -1,140 +0,0 @@
-(define-module (vcomponent parse types)
-  :use-module (calp util)
-  :use-module (calp util exceptions)
-  :use-module (base64)
-  :use-module (datetime)
-  :use-module (srfi srfi-9 gnu)
-  )
-
-;; BINARY
-(define (parse-binary props value)
-  ;; p 30
-  (unless (string=? "BASE64" (hashq-ref props 'ENCODING))
-    (warning "Binary field not marked ENCODING=BASE64"))
-
-  ;; For icalendar no extra whitespace is allowed in a
-  ;; binary field (except for line wrapping). This differs
-  ;; from xcal.
-  (base64-string->bytevector value))
-
-;; BOOLEAN
-(define (parse-boolean props value)
-  (cond
-   [(string=? "TRUE" value) #t]
-   [(string=? "FALSE" value) #f]
-   [else (warning "~a invalid boolean" value)]))
-
-;; CAL-ADDRESS ⇒ uri
-
-;; DATE
-(define (parse-date props value)
-  (parse-ics-date value))
-
-;; DATE-TIME
-(define (parse-datetime props value)
-  (define parsed
-    (parse-ics-datetime
-     value (hashq-ref props 'TZID #f)))
-  (hashq-set! props '-X-HNH-ORIGINAL parsed)
-  (get-datetime parsed))
-
-;; DURATION
-(define (parse-duration props value)
-  ((@ (vcomponent duration) parse-duration)
-   value))
-
-;; FLOAT
-;; Note that this is overly permissive, and flawed.
-;; Numbers such as @expr{1/2} is accepted as exact
-;; rationals. Some floats are rounded.
-(define (parse-float props value)
-  (string->number value))
-
-
-;; INTEGER
-(define (parse-integer props value)
-  (let ((n (string->number value)))
-    (unless (integer? n)
-      (warning "Non integer as integer"))
-    n))
-
-;; PERIOD
-(define (parse-period props value)
-  (let* (((left right) (string-split value #\/)))
-    ;; TODO timezones? VALUE=DATE?
-    (cons (parse-ics-datetime left)
-          ((if (memv (string-ref right 0)
-                  '(#\P #\+ #\-))
-               (@ (vcomponent duration) parse-duration)
-               parse-ics-datetime)
-           right))))
-
-;; RECUR
-(define (parse-recur props value)
-  ((@ (vcomponent recurrence parse) parse-recurrence-rule) value))
-
-;; TEXT
-;; TODO quoted strings
-(define (parse-text props value)
-  (let loop ((rem (string->list value))
-             (str '())
-             (done '()))
-    (if (null? rem)
-        (cons (reverse-list->string str) done)
-        (case (car rem)
-          [(#\\)
-           (case (cadr rem)
-             [(#\n #\N) (loop (cddr rem) (cons #\newline str) done)]
-             [(#\; #\, #\\) => (lambda (c) (loop (cddr rem) (cons c str) done))]
-             [else => (lambda (c) (warning "Non-escapable character: ~a" c)
-                         (loop (cddr rem) str done))])]
-          [(#\,)
-           (loop (cdr rem) '() (cons (reverse-list->string str) done))]
-          [else
-           (loop (cdr rem) (cons (car rem) str) done)]))))
-
-
-;; TIME
-(define (parse-time props value)
-  ;; TODO time can have timezones...
-  (parse-ics-time value))
-
-;; URI
-(define (parse-uri props value)
-  value)
-
-(use-modules (datetime timespec))
-
-;; UTC-OFFSET
-(define (parse-utc-offset props value)
-  (make-timespec
-   (time
-    hour: (string->number (substring value 1 3))
-    minute: (string->number (substring value 3 5))
-    second: (if (= 7 (string-length value))
-                (string->number (substring value 5 7))
-                0))
-   ;; sign
-   (string->symbol (substring value 0 1))
-   #\z))
-
-
-(define type-parsers (make-hash-table))
-(hashq-set! type-parsers 'BINARY parse-binary)
-(hashq-set! type-parsers 'BOOLEAN parse-boolean)
-(hashq-set! type-parsers 'CAL-ADDRESS parse-uri)
-(hashq-set! type-parsers 'DATE parse-date)
-(hashq-set! type-parsers 'DATE-TIME parse-datetime)
-(hashq-set! type-parsers 'DURATION parse-duration)
-(hashq-set! type-parsers 'FLOAT parse-float)
-(hashq-set! type-parsers 'INTEGER parse-integer)
-(hashq-set! type-parsers 'PERIOD parse-period)
-(hashq-set! type-parsers 'RECUR parse-recur)
-(hashq-set! type-parsers 'TEXT parse-text)
-(hashq-set! type-parsers 'TIME parse-time)
-(hashq-set! type-parsers 'URI parse-uri)
-(hashq-set! type-parsers 'UTC-OFFSET parse-utc-offset)
-
-(define-public (get-parser type)
-  (or (hashq-ref type-parsers type #f)
-      (error "No parser for type" type)))
-- 
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