36 lines
1.6 KiB
Scheme
36 lines
1.6 KiB
Scheme
#lang scheme/base
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(require setup/dirs net/sendurl net/uri-codec)
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(provide perform-search send-main-page)
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(define search-dir "search/")
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;; Almost nothing to do here -- the real work is done in the browser,
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;; using javascript.
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(define (send-main-page #:sub [sub "index.html"]
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#:fragment [fragment #f] #:query [query #f])
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(let* ([path (build-path (find-user-doc-dir) sub)]
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[path (if (file-exists? path) path (build-path (find-doc-dir) sub))])
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(send-url/file path #:fragment fragment #:query query)))
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(define (perform-search str [context #f])
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;; `context' can be a pre-filter query string to use for a context,
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;; optionally a list of one and a label to display for that context.
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;; In any case, when a context is specified, the search actually
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;; goes through the search-context.html page which tranpolines to
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;; the main search page after setting the cookies (so when the
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;; search page is refreshed it won't reset the context).
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(let* ([label (and (list? context) (= 2 (length context)) (cadr context))]
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[context (if (pair? context) (car context) context)]
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[page (if context "search-context.htm" "index.html")]
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[query (format "q=~a" (uri-encode str))]
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[query (if context
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(format "~a&hq=~a~a"
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query (uri-encode context)
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(if label
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(format "&label=~a" (uri-encode label))
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""))
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query)])
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(send-main-page #:sub (string-append search-dir page) #:query query)))
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