| 1 | -- utils.lua |
| 2 | -- basic utilities for git status site implementation |
| 3 |
|
| 4 | -- Copyright (c) 2020 Joshua 'joshuas3' Stockin |
| 5 | -- <https://github.com/JoshuaS3/joshstock.in> |
| 6 | -- <https://joshstock.in> |
| 7 |
|
| 8 | local _M = {} |
| 9 |
|
| 10 | string.split = function(str, delimiter) |
| 11 | local t = {} |
| 12 | if not str or str == "" then |
| 13 | return t |
| 14 | end |
| 15 | if delimiter == "" then -- string to table |
| 16 | string.gsub(str, ".", function(c) table.insert(t, c) end) |
| 17 | return t |
| 18 | end |
| 19 | delimiter = delimiter or "%s" |
| 20 | local str_len = string.len(str) |
| 21 | local ptr = 1 |
| 22 | while true do |
| 23 | local sub = string.sub(str, ptr, str_len) |
| 24 | local pre, after = string.find(sub, delimiter) |
| 25 | if pre then -- delimiter found |
| 26 | table.insert(t, string.sub(str, ptr, ptr + (pre - 2))) |
| 27 | ptr = ptr + after |
| 28 | else -- delimiter not found |
| 29 | table.insert(t, string.sub(str, ptr, str_len)) |
| 30 | break |
| 31 | end |
| 32 | end |
| 33 | return t |
| 34 | end |
| 35 |
|
| 36 |
|
| 37 | string.trim = function(str) |
| 38 | return str:match('^()%s*$') and '' or str:match('^%s*(.*%S)') |
| 39 | end |
| 40 |
|
| 41 |
|
| 42 | _M.process = function(command) |
| 43 | local output |
| 44 | local status, err = pcall(function() |
| 45 | local process = io.popen(command, "r") |
| 46 | assert(process, "Error opening process") |
| 47 | output = process:read("*all") |
| 48 | process:close() |
| 49 | end) |
| 50 | if status then |
| 51 | return output |
| 52 | else |
| 53 | return string.format("Error in call: %s", err or command) |
| 54 | end |
| 55 | end |
| 56 |
|
| 57 | _M.markdown = function(input) |
| 58 | local output |
| 59 | local status, err = pcall(function() |
| 60 | local tmpfile = os.tmpname() |
| 61 | local fp = io.open(tmpfile, "w") |
| 62 | fp:write(input) |
| 63 | fp:close() |
| 64 | local process = io.popen("md2html --github "..tmpfile, "r") |
| 65 | assert(process, "Error opening process") |
| 66 | output = process:read("*all") |
| 67 | process:close() |
| 68 | os.remove(tmpfile) |
| 69 | end) |
| 70 | if status then |
| 71 | return output |
| 72 | else |
| 73 | return string.format("Error in call: %s", err or command) |
| 74 | end |
| 75 | end |
| 76 |
|
| 77 | _M.iso8601 = function(iso8601) |
| 78 | iso8601 = iso8601 or "0000-00-00T00:00:00GMT-5:00" |
| 79 | local y,mo,d,h,mi,s = iso8601:match("(%d%d%d%d)-(%d%d)-(%d%d)T(%d%d):(%d%d):(%d%d)") |
| 80 | local luatime = os.time{year=y,month=mo,day=d,hour=h,min=mi,sec=s} |
| 81 | return os.date("%d %b %Y %H:%M", luatime) |
| 82 | end |
| 83 |
|
| 84 | return _M |
| 85 |
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