Software / code / prosody
Changeset
12251:21ed12cfe300
util.pluginloader: Support for a per-file load filter
Load filters can choose to block the loading of certain files, and optionally
return some metadata about the loaded file.
| author | Matthew Wild <mwild1@gmail.com> |
|---|---|
| date | Thu, 03 Feb 2022 12:56:52 +0000 |
| parents | 12250:e157e5c79daa |
| children | 12252:4bfe658415a0 |
| files | util/pluginloader.lua |
| diffstat | 1 files changed, 14 insertions(+), 6 deletions(-) [+] |
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--- a/util/pluginloader.lua Thu Feb 03 12:53:19 2022 +0000 +++ b/util/pluginloader.lua Thu Feb 03 12:56:52 2022 +0000 @@ -24,6 +24,7 @@ function pluginloader_methods:load_file(names) local file, err, path; + local load_filter_cb = self._options.load_filter_cb; for i=1,#plugin_dir do for j=1,#names do path = plugin_dir[i]..names[j]; @@ -31,7 +32,13 @@ if file then local content = file:read("*a"); file:close(); - return content, path; + local metadata; + if load_filter_cb then + path, content, metadata = load_filter_cb(path, content); + end + if content and path then + return content, path, metadata; + end end end end @@ -39,6 +46,7 @@ end function pluginloader_methods:load_resource(plugin, resource) + resource = resource or "mod_"..plugin..".lua"; local names = { "mod_"..plugin..dir_sep..plugin..dir_sep..resource; -- mod_hello/hello/mod_hello.lua "mod_"..plugin..dir_sep..resource; -- mod_hello/mod_hello.lua @@ -52,21 +60,21 @@ end function pluginloader_methods:load_code(plugin, resource, env) - local content, err = load_resource(plugin, resource); + local content, err, metadata = self:load_resource(plugin, resource); if not content then return content, err; end local path = err; local f, err = envload(content, "@"..path, env); if not f then return f, err; end - return f, path; + return f, path, metadata; end function pluginloader_methods:load_code_ext(plugin, resource, extension, env) - local content, err = load_resource(plugin, resource.."."..extension); + local content, err, metadata = self:load_resource(plugin, resource.."."..extension); if not content and extension == "lib.lua" then - content, err = load_resource(plugin, resource..".lua"); + content, err, metadata = self:load_resource(plugin, resource..".lua"); end if not content then - content, err = load_resource(resource, resource.."."..extension); + content, err, metadata = self:load_resource(resource, resource.."."..extension); if not content then return content, err; end
