Moving prepopulated search engines to a JSON file.

tools/json_to_struct/struct_generator.py

Index: tools/json_to_struct/struct_generator.py
diff --git a/tools/json_to_struct/struct_generator.py b/tools/json_to_struct/struct_generator.py
new file mode 100644
index 0000000000000000000000000000000000000000..b49cc6d9a9a96527ff7165582b6a016aed87f35f
--- /dev/null
+++ b/tools/json_to_struct/struct_generator.py
@@ -0,0 +1,56 @@
+# 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.
+
+def GenerateIntField(field_info):

[not at google - send to devlin, 2012/11/12 18:38:13]

private functions and variables prefix with _, use Code, etc.

[beaudoin, 2012/11/13 18:44:26]

Done. (I think :))

+  """Generate a string defining an int field in a C structure.
+  """
+  return 'const int %s' % field_info['field']
+
+def GenerateStringField(field_info):
+  """Generate a string defining a string field in a C structure.
+  """
+  return 'const char* const %s' % field_info['field']
+
+def GenerateString16Field(field_info):
+  """Generate a string defining an 16 bit string field in a C structure.
+  """
+  return 'const wchar_t* const %s' % field_info['field']
+
+def GenerateEnumField(field_info):
+  """Generate a string defining an enum field in a C structure.
+  """
+  return 'const %s %s' % (field_info['ctype'], field_info['field'])
+
+def GenerateArrayField(field_info):
+  """Generate a string defining an array field in a C structure.
+  """
+  contents = field_info['contents']
+  contents['field'] = '* ' + field_info['field']
+  return GenerateField(contents)
+
+# Map of supported types to generator functions.
+field_generators = {
+  'int': GenerateIntField,
+  'string': GenerateStringField,
+  'string16': GenerateString16Field,
+  'enum': GenerateEnumField,
+  'array': GenerateArrayField,
+}
+
+def GenerateField(field_info):
+  """Generate a string defining a field of the type specified by
+  field_info['type'] in a C structure.
+  """
+  return field_generators[field_info['type']](field_info)
+
+def GenerateStruct(type_name, schema):
+  """Generate a string defining a structure containing the fields specified in
+  the schema list.
+  """
+  lines = [];
+  lines.append('struct %s {' % type_name)
+  for field_info in schema:
+    lines.append('  ' + GenerateField(field_info) + ';')
+  lines.append('};');
+  return '\n'.join(lines) + '\n';