Hilbish/cmd/docgen/docgen.lua

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local fs = require 'fs'
local emmyPattern = '^%-%-%- (.+)'
local modpattern = '^%-+ @module (%w+)'
local pieces = {}
local files = fs.readdir 'nature'
for _, fname in ipairs(files) do
local isScript = fname:match'%.lua$'
if not isScript then goto continue end
local f = io.open(string.format('nature/%s', fname))
local header = f:read '*l'
local mod = header:match(modpattern)
if not mod then goto continue end
print(fname, mod)
pieces[mod] = {}
local docPiece = {}
local lines = {}
local lineno = 0
for line in f:lines() do
lineno = lineno + 1
lines[lineno] = line
if line == header then goto continue2 end
if not line:match(emmyPattern) then
if line:match '^function' then
local pattern = (string.format('^function %s%%.', mod) .. '(%w+)')
local funcName = line:match(pattern)
if not funcName then goto continue2 end
local dps = {
description = {},
params = {}
}
local offset = 1
while true do
local prev = lines[lineno - offset]
local docline = prev:match '^%-+ (.+)'
if docline then
local emmy = docline:match '@(%w+)'
local cut = 0
if emmy then cut = emmy:len() + 3 end
local emmythings = string.split(docline:sub(cut), ' ')
if emmy then
if emmy == 'param' then
table.insert(dps.params, 1, {
name = emmythings[1],
type = emmythings[2]
})
end
else
table.insert(dps.description, 1, docline)
end
offset = offset + 1
else
break
end
end
pieces[mod][funcName] = dps
end
docPiece = {}
goto continue2
end
table.insert(docPiece, line)
::continue2::
end
::continue::
end
local header = [[---
title: %s %s
description: %s
layout: doc
menu:
docs:
parent: "Nature"
---
]]
for iface, dps in pairs(pieces) do
local mod = iface:match '(%w+)%.' or 'nature'
local path = string.format('docs/%s/%s.md', mod, iface)
fs.mkdir(fs.dir(path), true)
local f <close> = io.open(path, 'w')
f:write(string.format(header, 'Module', iface, 'No description.'))
print(f)
print(mod, path)
for func, docs in pairs(dps) do
f:write(string.format('<hr>\n<div id=\'%s\'>', func))
local sig = string.format('%s.%s(', iface, func)
for idx, param in ipairs(docs.params) do
sig = sig .. ((param.name:gsub('%?$', '')))
if idx ~= #docs.params then sig = sig .. ', ' end
end
sig = sig .. ')'
f:write(string.format([[
<h4 class='heading'>
%s
<a href="#%s" class='heading-link'>
<i class="fas fa-paperclip"></i>
</a>
</h4>
]], sig, func))
f:write(table.concat(docs.description, '\n') .. '\n')
f:write '#### Parameters\n'
if #docs.params == 0 then
f:write 'This function has no parameters. \n'
end
for _, param in ipairs(docs.params) do
f:write(string.format('`%s` **`%s`**\n', param.name:gsub('%?$', ''), param.type))
end
--[[
local params = table.filter(docs, function(t)
return t:match '^%-%-%- @param'
end)
for i, str in ipairs(params) do
if i ~= 1 then
f:write ', '
end
f:write(str:match '^%-%-%- @param ([%w]+) ')
end
f:write(')\n')
for _, str in ipairs(docs) do
if not str:match '^%-%-%- @' then
f:write(str:match '^%-%-%- (.+)' .. '\n')
end
end
]]--
f:write('</div>')
f:write('\n\n')
end
end