Module:Lustache/Context
Documentation for this module may be created at Module:Lustache/Context/doc
local string_find, string_split, tostring, type =
string.find, string.split, tostring, type
local context = {}
context.__index = context
function context:clear_cache()
self.cache = {}
end
function context:push(view)
return self:new(view, self)
end
function context:lookup(name)
local value = self.cache[name]
if not value then
if name == "." then
value = self.view
else
local context = self
while context do
if string_find(name, ".") > 0 then
local names = string_split(name, ".")
local i = 0
value = context.view
if(type(value)) == "number" then
value = tostring(value)
end
while value and i < #names do
i = i + 1
value = value[names[i]]
end
else
value = context.view[name]
end
if value then
break
end
context = context.parent
end
end
self.cache[name] = value
end
return value
end
function context:new(view, parent)
local out = {
view = view,
parent = parent,
cache = {},
}
return setmetatable(out, context)
end
return context