1 /*

     2  *

     3  * Copyright (c) 2004

     4  * John Maddock

     5  *

     6  * Use, modification and distribution are subject to the 

     7  * Boost Software License, Version 1.0. (See accompanying file 

     8  * LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)

     9  *

    10  */

    11 

    12  /*

    13   *   LOCATION:    see http://www.boost.org for most recent version.

    14   *   FILE         basic_regex_creator.cpp

    15   *   VERSION      see <boost/version.hpp>

    16   *   DESCRIPTION: Declares template class basic_regex_creator which fills in

    17   *                the data members of a regex_data object.

    18   */

    19 

    20 #ifndef BOOST_REGEX_V4_PROTECTED_CALL_HPP

    21 #define BOOST_REGEX_V4_PROTECTED_CALL_HPP

    22 

    23 #ifdef BOOST_MSVC

    24 #pragma warning(push)

    25 #pragma warning(disable: 4103)

    26 #endif

    27 #ifdef BOOST_HAS_ABI_HEADERS

    28 #  include BOOST_ABI_PREFIX

    29 #endif

    30 #ifdef BOOST_MSVC

    31 #pragma warning(pop)

    32 #endif

    33 

    34 namespace boost{

    35 namespace re_detail{

    36 

    37 class BOOST_REGEX_DECL abstract_protected_call

    38 {

    39 public:

    40    bool BOOST_REGEX_CALL execute()const;

    41    // this stops gcc-4 from complaining:

    42    virtual ~abstract_protected_call(){}

    43 private:

    44    virtual bool call()const = 0;

    45 };

    46 

    47 template <class T>

    48 class concrete_protected_call

    49    : public abstract_protected_call

    50 {

    51 public:

    52    typedef bool (T::*proc_type)();

    53    concrete_protected_call(T* o, proc_type p)

    54       : obj(o), proc(p) {}

    55 private:

    56    virtual bool call()const;

    57    T* obj;

    58    proc_type proc;

    59 };

    60 

    61 template <class T>

    62 bool concrete_protected_call<T>::call()const

    63 {

    64    return (obj->*proc)();

    65 }

    66 

    67 }

    68 } // namespace boost

    69 

    70 #ifdef BOOST_MSVC

    71 #pragma warning(push)

    72 #pragma warning(disable: 4103)

    73 #endif

    74 #ifdef BOOST_HAS_ABI_HEADERS

    75 #  include BOOST_ABI_SUFFIX

    76 #endif

    77 #ifdef BOOST_MSVC

    78 #pragma warning(pop)

    79 #endif

    80 

    81 #endif