| # Copyright 2012 The Chromium Authors |
| # Use of this source code is governed by a BSD-style license that can be |
| # found in the LICENSE file. |
| |
| def _GenerateArrayField(field_info): |
| """Generate a string defining an array field in a C structure. |
| """ |
| contents = field_info['contents'] |
| contents['field'] = '* ' + field_info['field'] |
| if contents['type'] == 'array': |
| raise RuntimeError('Nested arrays are not supported.') |
| return (GenerateField(contents) + ';\n' + |
| ' const size_t %s_size') % field_info['field']; |
| |
| def GenerateField(field_info): |
| """Generate a string defining a field of the type specified by |
| field_info['type'] in a C structure. |
| """ |
| field = field_info['field'] |
| type = field_info['type'] |
| if type == 'int': |
| return 'const int %s' % field |
| elif type == 'string': |
| return 'const char* const %s' % field |
| elif type == 'string16': |
| return 'const char16_t* const %s' % field |
| elif type == 'enum' or type == 'class': |
| return 'const %s %s' % (field_info['ctype'], field) |
| elif type == 'array': |
| return _GenerateArrayField(field_info) |
| elif type == 'struct': |
| return 'const %s %s' % (field_info['type_name'], field) |
| else: |
| raise RuntimeError('Unknown field type "%s"' % type) |
| |
| 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: |
| if field_info['type'] == 'struct': |
| lines.insert(0, GenerateStruct(field_info['type_name'], |
| field_info['fields'])) |
| elif (field_info['type'] == 'array' |
| and field_info['contents']['type'] == 'struct'): |
| contents = field_info['contents'] |
| lines.insert(0, GenerateStruct(contents['type_name'], |
| contents['fields'])) |
| lines.append(' ' + GenerateField(field_info) + ';') |
| lines.append('};'); |
| return '\n'.join(lines) + '\n'; |