2018-12-16 04:19:28 +00:00
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# Generate documentation
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(def- prelude
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2018-12-17 06:41:11 +00:00
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```
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<!doctype html>
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<html lang="en">
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<head>
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<meta charset="utf-8">
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<title>Janet Language Documentation</title>
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<meta name="description" content="API Documentation for the janet programming language.">
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<style>
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2018-12-17 17:06:50 +00:00
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.docstring {
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2018-12-17 06:41:11 +00:00
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font-family: monospace;
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}
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2018-12-17 17:06:50 +00:00
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.binding-type {
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color: blue;
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}
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.source-map {
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color: steelblue;
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font-size: 0.8em;
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}
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2018-12-17 06:41:11 +00:00
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</style>
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</head>
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```)
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2018-12-16 04:19:28 +00:00
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(def- postlude
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2018-12-17 06:41:11 +00:00
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```
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</html>
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```)
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2018-12-16 04:19:28 +00:00
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(def- escapes
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{10 "<br>"
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09 " "
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38 "&"
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60 "<"
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62 ">"
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34 """
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39 "'"
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47 "/"})
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(defn- trim-lead
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"Trim leading newlines"
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[str]
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(var i 0)
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(while (= 10 str.i) (++ i))
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(string/slice str i))
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(defn- html-escape
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"Escape special characters for HTML encoding."
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[str]
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(def buf @"")
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(loop [byte :in str]
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(if-let [rep escapes.byte]
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(buffer/push-string buf rep)
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(buffer/push-byte buf byte)))
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buf)
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2018-12-17 06:57:09 +00:00
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(defn- make-title
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"Generate title"
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[]
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(string "<h1>Janet Core API</h1>"
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"<p>Version " janet/version "-" janet/build "</p>"
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"<p>Generated "
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(string/number (os/time) :f 0 20)
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" seconds after epoch</p>"
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"<hr>"))
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2018-12-17 06:41:11 +00:00
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(defn- emit-item
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"Generate documentation for one entry."
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[key env-entry]
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(let [{:macro macro
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:value val
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:ref ref
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2018-12-17 17:06:50 +00:00
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:source-map sm
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2018-12-17 06:41:11 +00:00
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:doc docstring} env-entry
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binding-type (cond
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macro :macro
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ref (string :var " (" (type ref.0) ")")
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2018-12-17 17:06:50 +00:00
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(type val))
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source-ref (if-let [[path start end] sm]
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(string "<span class=\"source-map\">" path " (" start ":" end ")</span>")
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"")]
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(string "<h2 class=\"binding\">" (html-escape key) "</h2>\n"
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"<span class=\"binding-type\">" binding-type "</span>\n"
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"<p class=\"docstring\">" (trim-lead (html-escape docstring)) "</p>\n"
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source-ref)))
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2018-12-16 04:19:28 +00:00
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2018-12-16 18:17:30 +00:00
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# Generate parts and print them to stdout
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2018-12-17 06:41:11 +00:00
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(def parts (seq [[k entry]
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:in (sort (pairs (table/getproto _env)))
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2018-12-17 06:41:11 +00:00
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:when (and entry:doc (not entry:private))]
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(emit-item k entry)))
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2018-12-17 06:57:09 +00:00
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(print
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prelude
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(make-title)
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2018-12-17 17:06:50 +00:00
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;(interpose "<hr>\n" parts)
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2018-12-17 06:57:09 +00:00
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postlude)
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