1 # Copyright (c) 2012 The Chromium Authors. All rights reserved. 2 # Use of this source code is governed by a BSD-style license that can be 3 # found in the LICENSE file. 4 5 def _GenerateArrayField(field_info): 6 """Generate a string defining an array field in a C structure. 7 """ 8 contents = field_info['contents'] 9 contents['field'] = '* ' + field_info['field'] 10 if contents['type'] == 'array': 11 raise RuntimeError('Nested arrays are not supported.') 12 return (GenerateField(contents) + ';\n' + 13 ' const size_t %s_size') % field_info['field']; 14 15 def GenerateField(field_info): 16 """Generate a string defining a field of the type specified by 17 field_info['type'] in a C structure. 18 """ 19 field = field_info['field'] 20 type = field_info['type'] 21 if type == 'int': 22 return 'const int %s' % field 23 elif type == 'string': 24 return 'const char* const %s' % field 25 elif type == 'string16': 26 return 'const wchar_t* const %s' % field 27 elif type == 'enum': 28 return 'const %s %s' % (field_info['ctype'], field) 29 elif type == 'array': 30 return _GenerateArrayField(field_info) 31 else: 32 raise RuntimeError('Unknown field type "%s"' % type) 33 34 def GenerateStruct(type_name, schema): 35 """Generate a string defining a structure containing the fields specified in 36 the schema list. 37 """ 38 lines = []; 39 lines.append('struct %s {' % type_name) 40 for field_info in schema: 41 lines.append(' ' + GenerateField(field_info) + ';') 42 lines.append('};'); 43 return '\n'.join(lines) + '\n'; 44
