[luci] [PATCH 4/4] libs/web: add support for string templates to luci.template module
Matthias Schiffer
mschiffer at universe-factory.net
Sun Jul 27 04:44:55 CEST 2014
Signed-off-by: Matthias Schiffer <mschiffer at universe-factory.net>
---
modules/base/luasrc/template.lua | 30 +++++++++++++++++++++++-------
1 file changed, 23 insertions(+), 7 deletions(-)
diff --git a/modules/base/luasrc/template.lua b/modules/base/luasrc/template.lua
index 72127d1..ea01d3c 100644
--- a/modules/base/luasrc/template.lua
+++ b/modules/base/luasrc/template.lua
@@ -50,6 +50,13 @@ 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()
@@ -59,11 +66,14 @@ Template.cache = setmetatable({}, {__mode = "v"})
-- Constructor - Reads and compiles the template on-demand
-function Template.__init__(self, name)
+function Template.__init__(self, name, template)
+ if name then
+ self.template = self.cache[name]
+ self.name = name
+ else
+ self.name = "[string]"
+ end
- self.template = self.cache[name]
- self.name = name
-
-- Create a new namespace for this template
self.viewns = context.viewns
@@ -72,16 +82,22 @@ function Template.__init__(self, name)
-- Compile template
local err
- local sourcefile = viewdir .. "/" .. name .. ".htm"
+ local sourcefile
- self.template, _, err = tparser.parse(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 '" .. name .. "'.\n" ..
"Error while parsing template '" .. sourcefile .. "':\n" ..
(err or "Unknown syntax error"))
- else
+ elseif name then
self.cache[name] = self.template
end
end
--
2.0.3
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