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/formats/xcal/types.scm | 54 ++++++++++++++++++++++++++++++++
 1 file changed, 54 insertions(+)
 create mode 100644 module/vcomponent/formats/xcal/types.scm

(limited to 'module/vcomponent/formats/xcal/types.scm')

diff --git a/module/vcomponent/formats/xcal/types.scm b/module/vcomponent/formats/xcal/types.scm
new file mode 100644
index 00000000..34c7c40d
--- /dev/null
+++ b/module/vcomponent/formats/xcal/types.scm
@@ -0,0 +1,54 @@
+(define-module (vcomponent formats xcal types)
+  :use-module (calp util)
+  :use-module (vcomponent formats ical types)
+  :use-module (datetime)
+  )
+
+(define (write-boolean _ v)
+  `(boolean ,(if v "true" "false")))
+
+(define (write-date _ v)
+  `(date ,(date->string v "~Y-~m-~d")))
+
+(define (write-datetime p v)
+  `(date-time
+    ,(datetime->string
+      (hashq-ref p '-X-HNH-ORIGINAL v)
+      ;; 'Z' should be included for UTC,
+      ;; other timezones MUST be specified
+      ;; in the TZID parameter.
+      "~Y-~m-~dT~H:~M:~S~Z")))
+
+(define (write-time _ v)
+  `(time ,(time->string v "~H:~M:S")))
+
+(define (write-recur _ v)
+  `(recur ,@((@@ (vcomponent recurrence internal) recur-rule->rrule-sxml) v)))
+
+;; sepparate since this text shouldn't be escaped
+(define (write-text _ v)
+  ;; TODO out type should be xsd:string.
+  ;; Look into what that means, and escape
+  ;; from there
+  `(text ,v))
+
+
+
+(define sxml-writers (make-hash-table))
+(for simple-type in '(BINARY DURATION CAL-ADDRESS DURATION FLOAT INTEGER
+                             #| TODO PERIOD |# URI UTC-OFFSET)
+     (hashq-set! sxml-writers simple-type
+                 (lambda (p v)
+                   `(,(downcase-symbol simple-type)
+                     ,(((@ (vcomponent formats ical types) get-writer) simple-type) p v)))))
+
+(hashq-set! sxml-writers 'BOOLEAN write-boolean)
+(hashq-set! sxml-writers 'DATE write-date)
+(hashq-set! sxml-writers 'DATE-TIME write-datetime)
+(hashq-set! sxml-writers 'TIME write-time)
+(hashq-set! sxml-writers 'RECUR write-recur)
+(hashq-set! sxml-writers 'TEXT write-text)
+
+(define-public (get-writer type)
+  (or (hashq-ref sxml-writers type #f)
+      (error "No writer for type" type)))
-- 
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