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Diffstat (limited to 'ss/html.scm')
| -rw-r--r-- | ss/html.scm | 214 |
1 files changed, 214 insertions, 0 deletions
diff --git a/ss/html.scm b/ss/html.scm new file mode 100644 index 0000000..7f31f85 --- /dev/null +++ b/ss/html.scm @@ -0,0 +1,214 @@ +(define-module (ss html) + #:use-module (ss dates) + #:use-module (srfi srfi-9) + #:use-module (sxml simple) + #:use-module (ss mime-types) + #:export (render + person + person? + person-name + person-email + person-uri + + post + post? + post-id + post-title + post-published + post-updated + post-authors + post-summary-html + post-content-html + post-categories + post-contributors + post-media + + index + index? + index-title + index-short-description + index-long-description + index-uri + index-atom-feed-uri + index-author + index-posts + index-styles + index-scripts + + media + media? + media-type + media-uri + media-path)) + +(define-record-type <index> + (%make-index title short-description long-description uri atom-feed-uri author posts styles scripts) + index? + (title index-title) + (short-description index-short-description) + (long-description index-long-description) + (uri index-uri) + (atom-feed-uri index-atom-feed-uri) + (author index-author) + (posts index-posts) + (styles index-styles) + (scripts index-scripts)) + +(define-record-type <post> + (%make-post id + title + published + updated + authors + summary-html + content-html + categories + contributors + media) + post? + (id post-id) + (title post-title) + (published post-published) + (updated post-updated) + (authors post-authors) + (summary-html post-summary-html) + (content-html post-content-html) + (categories post-categories) + (contributors post-contributors) + (media post-media)) + +(define-record-type <media> + (%make-media type uri path) + media? + (type media-type) + (uri media-uri) + (path media-path)) + +(define-record-type <person> + (%make-person name email uri) + person? + (name person-name) + (email person-email) + (uri person-uri)) + + +(define* (index #:key (title "") + (short-description "") + (long-description "") + (uri "") + (atom-feed-uri #f) + (author (person "")) + (posts '()) + (styles '()) + (scripts '()) + #:allow-other-keys) + (%make-index + title + short-description + long-description + uri + atom-feed-uri + author + (sort posts (lambda (a b) + (date>? (post-published a) (post-published b)))) + styles + scripts)) + + +(define* (post #:key (id #f) + (title "") + (published unix-date) + (updated unix-date) + (authors '()) + (summary-html '()) + (content-html '()) + (categories '()) + (contributors '()) + (media '()) + #:allow-other-keys) + + (define (id-from-title title) + (string-map (lambda (c) + (if (char-set-contains? char-set:letter c) c #\-)) + title)) + (%make-post (or id (id-from-title title)) + title + published + (find-newest (list published updated)) + authors + summary-html + content-html + categories + contributors + media)) + +(define* (media path #:key (uri "") + #:allow-other-keys) + (define (type path) + (let* ((extension (car (last-pair (string-split path #\.)))) + (type (assoc-ref mime-types extension))) + (if (string? type) type (throw "Unknown mime-type")))) + + (%make-media (type path) + uri + path)) + +(define* (person name #:key (email "") + (uri "") + #:allow-other-keys) + (%make-person name email uri)) + +; Rendering +(define (render-author author) + `(address (@(class author)) + (a (@(rel author)) ,(person-name author)))) + +(define (render-post post) + `(article (@(class "post") + (id ,(post-id post))) ;; For anchors + (h2 ,(post-title post)) + (time (@(datetime ,(date->string/RFC3339 (post-published post))) + (pubdate #t)) + ,(date->string/RFC3339 (post-published post))) ;; TODO make human readable + ,@(map render-author (post-authors post)) + (section (@(class summary)) + ,(post-summary-html post)) + (section (@(class content)) + ,(post-content-html post)))) + +(define (render-style style) + (if (media? style) + `(link (@(rel stylesheet) + (href ,(media-uri style)))) + `(style ,(lambda () (display style))))) + +(define (render-script script) + (if (media? script) + `(script (@(src ,(media-uri script)))) + `(script ,(lambda () (display script))))) + +(define (render-index index) + `(html + (head + (meta (@(author ,(person-name (index-author index))))) + (meta (@(charset "utf-8"))) + (meta (@(name "color-scheme") (content "light dark"))) + (meta (@(name "viewport") + (content "width=device-width, initial-scale=1"))) + (meta (@(name "description") + (content ,(index-short-description index)))) + ,(if (not (index-atom-feed-uri index)) + `() + `(link (@(rel "alternate") + (type "application/atom+xml") + (href ,(index-atom-feed-uri index))))) + ,@(map render-style (index-styles index))) + (body + (h1 (@(class title)) ,(index-title index)) + (section (@(class description)) ,(index-long-description index)) + ,@(map render-post (index-posts index)) + ,@(map render-script (index-scripts index))))) + +(define (render index) + (display "<!DOCTYPE html>") + (sxml->xml (render-index index))) |