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src/tools/json_schema_compiler/schema_loader.py
rdevlin.cronin 227d70cd98 [Schema Compiler] Separate out SchemaLoader and namespace resolving
The SchemaLoader name implies that the object is used for loading
schemas, but for some reason also has logic to resolve a type and
namespace. Move this into a separate NamespaceResolver file to
make it easier to reuse SchemaLoader.

BUG=None

Review-Url: https://codereview.chromium.org/2596583002
Cr-Commit-Position: refs/heads/master@{#440201}
2016-12-21 20:26:35 +00:00

34 lines
1.0 KiB
Python

# Copyright (c) 2012 The Chromium Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
import os
import sys
import idl_schema
import json_schema
class SchemaLoader(object):
'''Loads a schema from a provided filename.
|root|: path to the root directory.
'''
def __init__(self, root):
self._root = root
def LoadSchema(self, schema):
'''Load a schema definition. The schema parameter must be a file name
with the full path relative to the root.'''
_, schema_extension = os.path.splitext(schema)
schema_path = os.path.join(self._root, schema)
if schema_extension == '.json':
api_defs = json_schema.Load(schema_path)
elif schema_extension == '.idl':
api_defs = idl_schema.Load(schema_path)
else:
sys.exit('Did not recognize file extension %s for schema %s' %
(schema_extension, schema))
# TODO(devlin): This returns a list. Does it need to? Is it ever > 1?
return api_defs