policy: generate JSON schema at build time as a string constant.

chrome/tools/build/generate_policy_source.py

Index: chrome/tools/build/generate_policy_source.py
diff --git a/chrome/tools/build/generate_policy_source.py b/chrome/tools/build/generate_policy_source.py
index d88374d173342f98a96c3f951e641c090256ae58..c06baf8a61a7c6a93d891e15661047f51fb855cd 100755
--- a/chrome/tools/build/generate_policy_source.py
+++ b/chrome/tools/build/generate_policy_source.py
@@ -16,6 +16,7 @@ from optparse import OptionParser
 import re
 import sys
 import textwrap
+import json

[Joao da Silva, 2013/09/11 11:43:37]

alread in line 14

 
 
 CHROME_POLICY_KEY = 'SOFTWARE\\\\Policies\\\\Google\\\\Chrome'
@@ -53,6 +54,7 @@ class PolicyDetails:
     self.name = policy['name']
     self.is_deprecated = policy.get('deprecated', False)
     self.is_device_only = policy.get('device_only', False)
+    self.schema = policy.get('schema', {})
 
     if is_chromium_os:
       expected_platform = 'chrome_os'
@@ -223,7 +225,10 @@ def _WritePolicyConstantHeader(policies, os, f):
             'configuration resides.\n'
             'extern const wchar_t kRegistryChromePolicyKey[];\n')
 
-  f.write('// Lists metadata such as name, expected type and id for all\n'
+  f.write('// JSON schema for policy.\n'
+          'extern const char kPolicyJsonSchema[];\n'
+          '\n'
+          '// Lists metadata such as name, expected type and id for all\n'
           '// policies. Used to initialize ConfigurationPolicyProviders and\n'
           '// CloudExternalDataManagers.\n'
           'struct PolicyDefinitionList {\n'
@@ -308,6 +313,16 @@ def _WritePolicyConstantSource(policies, os, f):
             'L"' + CHROMIUM_POLICY_KEY + '";\n'
             '#endif\n\n')
 
+  # Inline the JSON schema for policy.
+  schema = {}
+  schema['$schema'] = 'http://json-schema.org/draft-03/schema#'
+  schema['type'] = 'object'
+  schema['properties'] = {}
+  for policy in policies:
+    schema['properties'][policy.name] = policy.schema

[Joao da Silva, 2013/09/11 11:43:37]

make this conditional on policy.is_supported.

+  f.write('const char kPolicyJsonSchema[] = %s;\n\n' %
+          json.dumps(json.dumps(schema)))

[Joao da Silva, 2013/09/11 11:59:00]

pass separators=(',', ':') to these 2 calls. It will remove the whitespaces
after commas and colons, and save some more bytes.

+
   f.write('bool IsDeprecatedPolicy(const std::string& policy) {\n')
   if has_deprecated_policies:
     # arraysize() doesn't work with empty arrays.