ejabberd db dump importer for Prosody

1 files changed, 45 insertions, 0 deletions

diff --git a/tools/serialize.lua b/tools/serialize.lua
new file mode 100644
index 00000000..57e0eb42
--- /dev/null
+++ b/tools/serialize.lua
@@ -0,0 +1,45 @@
+

+local indent = function(i)

+	return string.rep("\t", i);

+end

+local function basicSerialize (o)

+	if type(o) == "number" or type(o) == "boolean" then

+		return tostring(o);

+	else -- assume it is a string -- FIXME make sure it's a string. throw an error otherwise.

+		return (string.format("%q", tostring(o)):gsub("\\\n", "\\n"));

+	end

+end

+local function _simplesave (o, ind, t)

+	if type(o) == "number" then

+		table.insert(t, tostring(o));

+	elseif type(o) == "string" then

+		table.insert(t, (string.format("%q", o):gsub("\\\n", "\\n")));

+	elseif type(o) == "table" then

+		table.insert(t, "{\n");

+		for k,v in pairs(o) do

+			table.insert(t, indent(ind));

+			table.insert(t, "[");

+			table.insert(t, basicSerialize(k));

+			table.insert(t, "] = ");

+			_simplesave(v, ind+1, t);

+			table.insert(t, ",\n");

+		end

+		table.insert(t, indent(ind-1));

+		table.insert(t, "}");

+	elseif type(o) == "boolean" then

+		table.insert(t, (o and "true" or "false"));

+	else

+		error("cannot serialize a " .. type(o))

+	end

+end

+local t_concat = table.concat;

+

+module "serialize"

+

+function serialize(o)

+	local t = {};

+	_simplesave(o, 1, t);

+	return t_concat(t);

+end

+

+return _M;