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Changed lovebird.template() to return compiled template

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lovebird.template() now returns the compiled template as a function
rather than the result of the template. To make this possible the
parameters and usage of the function has also changed.
This commit is contained in:
rxi 2014-04-13 15:48:24 +01:00
parent fe2e607baa
commit 188d052d34
1 changed files with 11 additions and 13 deletions
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24
lovebird.lua
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@ -393,20 +393,18 @@ function lovebird.init()
end
function lovebird.template(str, env)
env = env or {}
local keys, vals = {}, {}
for k, v in pairs(env) do
table.insert(keys, k)
table.insert(vals, v)
end
function lovebird.template(str, params)
params = params and ("," .. params) or ""
local f = function(x) return string.format(" echo(%q)", x) end
str = ("?>"..str.."<?lua"):gsub("%?>(.-)<%?lua", f)
str = "local echo, " .. table.concat(keys, ",") .. " = ..." .. str
local output = {}
local echo = function(str) table.insert(output, str) end
assert(loadstring(str))(echo, unpack(vals))
return table.concat(map(output, tostring))
str = "local echo " .. params .. " = ..." .. str
local fn = assert(loadstring(str))
return function(...)
local output = {}
local echo = function(str) table.insert(output, str) end
fn(echo, ...)
return table.concat(map(output, tostring))
end
end
@ -501,7 +499,7 @@ function lovebird.onrequest(req, client)
xpcall(function()
str = "HTTP/1.1 200 OK\r\nContent-Type: text/html\r\n\r\n" ..
lovebird.template(lovebird.pages[page],
{ lovebird = lovebird, req = req })
"lovebird, req")(lovebird, req)
end, lovebird.onerror)
return str
end