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-rw-r--r--util/datamapper.lua103
1 files changed, 102 insertions, 1 deletions
diff --git a/util/datamapper.lua b/util/datamapper.lua
index 05f4da8c..e0a8493a 100644
--- a/util/datamapper.lua
+++ b/util/datamapper.lua
@@ -93,4 +93,105 @@ local function parse(schema, s)
end
end
-return {parse = parse}
+local function unparse(schema, t, current_name, current_ns)
+ if schema.type == "object" then
+
+ if schema.xml then
+ if schema.xml.name then
+ current_name = schema.xml.name
+ end
+ if schema.xml.namespace then
+ current_ns = schema.xml.namespace
+ end
+
+ end
+
+ local out = st.stanza(current_name, {xmlns = current_ns})
+
+ for prop, propschema in pairs(schema.properties) do
+ local v = t[prop]
+
+ if v ~= nil then
+ local proptype
+ if type(propschema) == "table" then
+ proptype = propschema.type
+ elseif type(propschema) == "string" then
+ proptype = propschema
+ end
+
+ local name = prop
+ local namespace = current_ns
+ local prefix = nil
+ local is_attribute = false
+ local is_text = false
+
+ if type(propschema) == "table" and propschema.xml then
+
+ if propschema.xml.name then
+ name = propschema.xml.name
+ end
+ if propschema.xml.namespace then
+ namespace = propschema.xml.namespace
+ end
+
+ if propschema.xml.prefix then
+ prefix = propschema.xml.prefix
+ end
+
+ if propschema.xml.attribute then
+ is_attribute = true
+ elseif propschema.xml.text then
+ is_text = true
+ end
+ end
+
+ if is_attribute then
+ local attr = name
+ if prefix then
+ attr = prefix .. ":" .. name
+ elseif namespace ~= current_ns then
+ attr = namespace .. "\1" .. name
+ end
+
+ if proptype == "string" and type(v) == "string" then
+ out.attr[attr] = v
+ elseif proptype == "number" and type(v) == "number" then
+ out.attr[attr] = string.format("%g", v)
+ elseif proptype == "integer" and type(v) == "number" then
+ out.attr[attr] = string.format("%d", v)
+ elseif proptype == "boolean" then
+ out.attr[attr] = v and "1" or "0"
+ end
+ elseif is_text then
+ if type(v) == "string" then
+ out:text(v)
+ end
+ else
+ local propattr
+ if namespace ~= current_ns then
+ propattr = {xmlns = namespace}
+ end
+ if proptype == "string" and type(v) == "string" then
+ out:text_tag(name, v, propattr)
+ elseif proptype == "number" and type(v) == "number" then
+ out:text_tag(name, string.format("%g", v), propattr)
+ elseif proptype == "integer" and type(v) == "number" then
+ out:text_tag(name, string.format("%d", v), propattr)
+ elseif proptype == "boolean" and type(v) == "boolean" then
+ out:text_tag(name, v and "1" or "0", propattr)
+ elseif proptype == "object" and type(propschema) == "table" and type(v) == "table" then
+ local c = unparse(propschema, v, name, namespace);
+ if c then
+ out:add_direct_child(c);
+ end
+
+ end
+ end
+ end
+ end
+ return out
+
+ end
+end
+
+return {parse = parse; unparse = unparse}