diff options
Diffstat (limited to 'teal-src/util/datamapper.tl')
| -rw-r--r-- | teal-src/util/datamapper.tl | 43 |
1 files changed, 31 insertions, 12 deletions
diff --git a/teal-src/util/datamapper.tl b/teal-src/util/datamapper.tl index 78ca3035..73b1dfc0 100644 --- a/teal-src/util/datamapper.tl +++ b/teal-src/util/datamapper.tl @@ -25,7 +25,7 @@ local pointer = require"util.jsonpointer"; local json_type_name = json.json_type_name; local json_schema_object = require "util.jsonschema" -local type schema_t = boolean | json_type_name | json_schema_object +local type schema_t = boolean | json_schema_object local function toboolean ( s : string ) : boolean if s == "true" or s == "1" then @@ -59,15 +59,28 @@ local enum value_goes end local function resolve_schema(schema : schema_t, root : json_schema_object) : schema_t - if schema is json_schema_object and schema["$ref"] and schema["$ref"]:sub(1, 1) == "#" then - local referenced = pointer.resolve(root as table, schema["$ref"]:sub(2)) as schema_t; - if referenced ~= nil then - return referenced + if schema is json_schema_object then + if schema["$ref"] and schema["$ref"]:sub(1, 1) == "#" then + return pointer.resolve(root as table, schema["$ref"]:sub(2)) as schema_t; end end return schema; end +local function guess_schema_type(schema : json_schema_object) : json_type_name + local schema_types = schema.type + if schema_types is json_type_name then + return schema_types + elseif schema_types ~= nil then + error "schema has unsupported 'type' property" + elseif schema.properties then + return "object" + elseif schema.items then + return "array" + end + return "string" -- default assumption +end + local function unpack_propschema( propschema : schema_t, propname : string, current_ns : string ) : json_type_name, value_goes, string, string, string, string, { any } local proptype : json_type_name = "string" @@ -79,9 +92,9 @@ local function unpack_propschema( propschema : schema_t, propname : string, curr local enums : { any } if propschema is json_schema_object then - proptype = propschema.type - elseif propschema is json_type_name then - proptype = propschema + proptype = guess_schema_type(propschema); + elseif propschema is string then -- Teal says this can never be a string, but it could before so best be sure + error("schema as string is not supported: "..propschema.." {"..current_ns.."}"..propname) end if proptype == "object" or proptype == "array" then @@ -120,6 +133,10 @@ local function unpack_propschema( propschema : schema_t, propname : string, curr end end + if current_ns == "urn:xmpp:reactions:0" and name == "reactions" then + assert(proptype=="array") + end + return proptype, value_where, name, namespace, prefix, single_attribute, enums end @@ -239,9 +256,10 @@ function parse_array (schema : json_schema_object, s : st.stanza_t, root : json_ end local function parse (schema : json_schema_object, s : st.stanza_t) : table - if schema.type == "object" then + local s_type = guess_schema_type(schema) + if s_type == "object" then return parse_object(schema, s, schema) - elseif schema.type == "array" then + elseif s_type == "array" then return parse_array(schema, s, schema) else error "top-level scalars unsupported" @@ -333,7 +351,8 @@ function unparse ( schema : json_schema_object, t : table, current_name : string local out = ctx or st.stanza(current_name, { xmlns = current_ns }) - if schema.type == "object" then + local s_type = guess_schema_type(schema) + if s_type == "object" then for prop, propschema in pairs(schema.properties) do propschema = resolve_schema(propschema, root) @@ -346,7 +365,7 @@ function unparse ( schema : json_schema_object, t : table, current_name : string end return out; - elseif schema.type == "array" then + elseif s_type == "array" then local itemschema = resolve_schema(schema.items, root) local proptype, value_where, name, namespace, prefix, single_attribute = unpack_propschema(itemschema, current_name, current_ns) for _, item in ipairs(t as { string }) do |