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#!/usr/bin/lua
markdown = require('discount')
lyaml = require('lyaml')
lustache = require('lustache')
function read_markdown(file)
local f = assert(io.open(file))
local data = f:read("*a")
f:close()
local yml, md = data:match("^(%-%-%-.-%-%-%-)(.*)$")
local t
local pagename = file:gsub(".md$","")
local pageclass = pagename:gsub("/.*", "")
if yml and md then
t = lyaml.load(yml)
t.pagename = pagename
t.pageclass = pageclass
return t, markdown(md)
else
return {title=pagename:gsub("/index$", ""), pagename=pagename,
pageclass=pageclass}, markdown(data)
end
end
function read_layout(file)
-- try look for template for 'path/file.md' in this order:
-- path/file.template.html
-- layout.template.html
for _,t in pairs{file:gsub(".md$", ".template.html"),
"_default.template.html"} do
local f = io.open(t)
if f then
local data = f:read("*a")
f:close()
return data
end
end
end
function ref_class(pagename, href)
local refpage = href:gsub(".html$", "")
refpage = refpage:gsub("/$", "/index")
if refpage:match("^/?"..pagename.."$") then
return ' class="active"'
end
return ''
end
function import_yaml(filename)
local f = assert(io.open(filename))
local t = lyaml.load(f:read("*a*"))
f:close()
return t
end
page, content = read_markdown(assert(arg[1]))
layout = read_layout(arg[1])
for i = 2, #arg do
local t = {}
for k,v in pairs(import_yaml(arg[i])) do
t[k] = v
end
tname = string.gsub(arg[i], ".yaml$", "")
page[tname] = t
end
page.pagestate = {}
page.pagestate[page.pagename] = 'active'
page.current_year = os.date("%Y")
page.content = lustache:render(content, page)
if page.date then
local y,m,d = page.date:match("(%d+)-(%d+)-(%d+)")
page.pubdate = os.date("%b %d, %Y", os.time{year=y, month=m, day=d})
end
io.write(lustache:render(layout, page))
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