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Diffstat (limited to 'modules/luci-base/luasrc/template.lua')
-rw-r--r-- | modules/luci-base/luasrc/template.lua | 100 |
1 files changed, 0 insertions, 100 deletions
diff --git a/modules/luci-base/luasrc/template.lua b/modules/luci-base/luasrc/template.lua deleted file mode 100644 index 3955bd76f3..0000000000 --- a/modules/luci-base/luasrc/template.lua +++ /dev/null @@ -1,100 +0,0 @@ --- Copyright 2008 Steven Barth <steven@midlink.org> --- Licensed to the public under the Apache License 2.0. - -local util = require "luci.util" -local config = require "luci.config" -local tparser = require "luci.template.parser" - -local tostring, pairs, loadstring = tostring, pairs, loadstring -local setmetatable, loadfile = setmetatable, loadfile -local getfenv, setfenv, rawget = getfenv, setfenv, rawget -local assert, type, error = assert, type, error - ---- LuCI template library. -module "luci.template" - -config.template = config.template or {} -viewdir = config.template.viewdir or util.libpath() .. "/view" - - --- Define the namespace for template modules -context = util.threadlocal() - ---- Render a certain template. --- @param name Template name --- @param scope Scope to assign to template (optional) -function render(name, scope) - return Template(name):render(scope or getfenv(2)) -end - ---- Render a template from a string. --- @param template Template string --- @param scope Scope to assign to template (optional) -function render_string(template, scope) - return Template(nil, template):render(scope or getfenv(2)) -end - - --- Template class -Template = util.class() - --- Shared template cache to store templates in to avoid unnecessary reloading -Template.cache = setmetatable({}, {__mode = "v"}) - - --- Constructor - Reads and compiles the template on-demand -function Template.__init__(self, name, template) - if name then - self.template = self.cache[name] - self.name = name - else - self.name = "[string]" - end - - -- Create a new namespace for this template - self.viewns = context.viewns - - -- If we have a cached template, skip compiling and loading - if not self.template then - - -- Compile template - local err - local sourcefile - - if name then - sourcefile = viewdir .. "/" .. name .. ".htm" - self.template, _, err = tparser.parse(sourcefile) - else - sourcefile = "[string]" - self.template, _, err = tparser.parse_string(template) - end - - -- If we have no valid template throw error, otherwise cache the template - if not self.template then - error("Failed to load template '" .. self.name .. "'.\n" .. - "Error while parsing template '" .. sourcefile .. "':\n" .. - (err or "Unknown syntax error")) - elseif name then - self.cache[name] = self.template - end - end -end - - --- Renders a template -function Template.render(self, scope) - scope = scope or getfenv(2) - - -- Put our predefined objects in the scope of the template - setfenv(self.template, setmetatable({}, {__index = - function(tbl, key) - return rawget(tbl, key) or self.viewns[key] or scope[key] - end})) - - -- Now finally render the thing - local stat, err = util.copcall(self.template) - if not stat then - error("Failed to execute template '" .. self.name .. "'.\n" .. - "A runtime error occurred: " .. tostring(err or "(nil)")) - end -end |