ntopng/scripts/lua/modules/template_utils.lua
emanuele-f 0ad1b65512 Add plugins support for httpdocs, HTML templates and Lua modules
Such resources can be placed into the following plugin subdirs:

- ./httpdocs: javascript, css and similar, see plugins_utils.getHttpdocsDir
- ./modules: Lua modules, see plugins_utils.loadModule
- ./templates: HTML templates, see plugins_utils.renderTemplate
2020-04-14 17:53:25 +02:00

41 lines
1.1 KiB
Lua

local template = require "resty.template"
local os_utils = require "os_utils"
-- This can be used inside templates
-- range(a) returns an iterator from 1 to a (step = 1)
-- range(a, b) returns an iterator from a to b (step = 1)
-- range(a, b, step) returns an iterator from a to b, counting by step.
function range(a, b, step)
if not b then
b = a
a = 1
end
step = step or 1
local f =
step > 0 and
function(_, lastvalue)
local nextvalue = lastvalue + step
if nextvalue <= b then return nextvalue end
end or
step < 0 and
function(_, lastvalue)
local nextvalue = lastvalue + step
if nextvalue >= b then return nextvalue end
end or
function(_, lastvalue) return lastvalue end
return f, nil, a - step
end
function template.gen(template_file, context, is_full_path)
local path
if is_full_path then
path = template_file
else
path = dirs.installdir.."/httpdocs/templates/"..template_file
end
return template.compile(os_utils.fixPath(path), nil, nil)(context)
end
return template