Source Code for Module pyplusplus.code_creators.smart_pointers

  1  # Copyright 2004-2008 Roman Yakovenko.
 
  2  # Distributed under the Boost Software License, Version 1.0. (See
 
  3  # accompanying file LICENSE_1_0.txt or copy at
 
  4  # http://www.boost.org/LICENSE_1_0.txt)
 
  5  
 
  6  import os 
  7  import algorithm 
  8  import declaration_based 
  9  import registration_based 
 10  from pygccxml import declarations 
 11  
 
 12  templates = declarations.templates 
 13  
 
 14 -class held_type_t(object): 
 15      """ Helper class that can hold name of smart_ptr type and create
 
 16          identifier for held type from that given a creator.
 
 17      """ 
 18 -    def __init__( self, smart_ptr ): 
 19          """ smart_ptr: string of ptr type.  Ex: 'boost::shared_ptr'  """ 
 20          object.__init__( self ) 
 21          self._smart_ptr = smart_ptr 
 22      
 
 23 -    def _get_smart_ptr( self ): 
 24          return self._smart_ptr 
 25 -    def _set_smart_ptr( self, ptr ): 
 26          self._smart_ptr = ptr 
 27      smart_ptr = property( _get_smart_ptr, _set_smart_ptr ) 
 28  
 
 29 -    def create( self, creator): 
 30          """ Return string of type to use for held type.
 
 31              Ex: boost::shared_ptr<Class>
 
 32          """ 
 33          smart_ptr = algorithm.create_identifier( creator, self.smart_ptr ) 
 34          arg = algorithm.create_identifier( creator, creator.declaration.decl_string ) 
 35          return templates.join( smart_ptr, [ arg ] ) 
 36      
 
 37 -class smart_pointer_registrator_t( registration_based.registration_based_t
 
 38                                     , declaration_based.declaration_based_t ): 
 39      """ Convertor for boost::python::register_ptr_to_python<PTR>.
 
 40          Lets boost python know that it can use smart_ptr to hold a an object.
 
 41          See: http://www.boost.org/libs/python/doc/v2/register_ptr_to_python.html
 
 42      """ 
 43 -    def __init__( self, smart_ptr, class_creator ): 
 44          """ smart_ptr: string of ptr type.  Ex: 'boost::shared_ptr'  """ 
 45          registration_based.registration_based_t.__init__( self ) 
 46          declaration_based.declaration_based_t.