1
0
mirror of https://github.com/janet-lang/janet synced 2024-11-06 00:36:17 +00:00
janet/doc/gendoc.janet
2018-12-17 01:41:11 -05:00

72 lines
1.6 KiB
Plaintext

# Generate documentation
(def- prelude
```
<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>Janet Language Documentation</title>
<meta name="description" content="API Documentation for the janet programming language.">
<style>
p {
font-family: monospace;
}
</style>
</head>
```)
(def- postlude
```
</html>
```)
(def- escapes
{10 "<br>"
09 "&nbsp;&nbsp;&nbsp;&nbsp;"
38 "&amp;"
60 "&lt;"
62 "&gt;"
34 "&quot;"
39 "&#39;"
47 "&#47;"})
(defn- trim-lead
"Trim leading newlines"
[str]
(var i 0)
(while (= 10 str.i) (++ i))
(string/slice str i))
(defn- html-escape
"Escape special characters for HTML encoding."
[str]
(def buf @"")
(loop [byte :in str]
(if-let [rep escapes.byte]
(buffer/push-string buf rep)
(buffer/push-byte buf byte)))
buf)
(defn- emit-item
"Generate documentation for one entry."
[key env-entry]
(let [{:macro macro
:value val
:ref ref
:doc docstring} env-entry
binding-type (cond
macro :macro
ref (string :var " (" (type ref.0) ")")
(type val))]
(string "<h2>" (html-escape key) "</h2>"
"<span style=\"color:blue;\">" binding-type "</span>"
"<p>" (trim-lead (html-escape docstring)) "</p>")))
# Generate parts and print them to stdout
(def parts (seq [[k entry]
:in (sort (pairs (table/getproto _env)))
:when (and entry:doc (not entry:private))]
(emit-item k entry)))
(print prelude ;(interpose "<hr>" parts) postlude)