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(match (split-entry (attr-ref tx 'data-index-entry))
[(list main sub)
(make-cache:index-entry
#:entry main
#:subentry sub
#:page pagenode
#:html-anchor (attr-ref tx 'id))]))
;; Get index entries out of metas
(define (current-metas-keyword-entries pagenode)
(for/list ([kw (in-list (string-split (maybe-meta 'keywords "") #px",\\s*"))])
(match (split-entry kw)
[(list main sub)
(make-cache:index-entry
#:entry main
#:subentry sub
#:page pagenode
#:html-anchor "")])))
;; Save any index entries in doc to the SQLite cache.
;; Sub-entries are specified by "!" in the index key
(define (cache-index-entries! pagenode doc)
(define-values (_ entry-txs) (splitf-txexpr doc index-entry-txpr?))
; Naive idempotence: delete and re-insert all index entries every time doc is rendered.
(query-exec (cache-conn) (delete (~> (from cache:index-entry #:as entry)
(where (= entry.page ,(symbol->string pagenode))))))
(unless (null? entry-txs)
(void
(apply insert! (cache-conn)
(for/list ([etx (in-list entry-txs)])
(define all-entries
(append (for/list ([etx (in-list entry-txs)]) (txexpr->index-entry etx pagenode))
(current-metas-keyword-entries pagenode)))
(delete-index-entries! pagenode)
(save-index-entries! all-entries))
(txexpr->index-entry etx pagenode))))))
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