sitegen/graph.lua

51 lines
1.3 KiB
Lua
Executable File

#!/usr/bin/env lua
local sitelib = require "sitelib"
local fs = require "lfs"
local tags = {}
if not fs.attributes(sitelib.outpath.."/tag") then
fs.mkdir(sitelib.outpath.."/tag")
end
local mdfiles = {}
local dqueue = {sitelib.srcpath}
for k,path in pairs(dqueue) do
for file in fs.dir(path) do
if file:sub(1,1) ~= "." then
local attr = fs.attributes(path.."/"..file)
if attr.mode == "directory" then
dqueue[#dqueue+1] = path.."/"..file
elseif file:sub(-3) == ".md" then
mdfiles[#mdfiles+1] = path.."/"..file
end
end
end
end
for k,infile in pairs(mdfiles) do
local f = io.open(infile,"rb")
local c = f:read("*a")
f:close()
local page = sitelib.parsepage(c)
if page.tags then
print((infile:sub(sitelib.srcpath:len()+1)):sub(1,-4)..".html")
for w in page.tags:gmatch("%S+") do
tags[w] = tags[w] or {}
table.insert(tags[w],{(infile:sub(sitelib.srcpath:len()+1)):sub(1,-4)..".html",page.title})
end
end
end
local haslabel = {}
print("graph blog {")
for tag,v in pairs(tags) do
for l,m in pairs(v) do
if not haslabel[m[1]:match("(%d+).html")] then
print(m[1]:match("(%d+).html").." [label=\""..m[2]:gsub("\"","").."\"];")
haslabel[m[1]:match("(%d+).html")] = true
end
print(tag:gsub("-","").." -- "..m[1]:match("(%d+).html")..";")
end
end
print("}")