String_Traits_T.h
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00001 #ifndef guard_string_traits_hpp 00002 #define guard_string_traits_hpp 00003 /** 00004 * @file 00005 * 00006 * @brief Implement the element manipulation traits for string types. 00007 * 00008 * $Id: String_Traits_T.h 88803 2010-02-02 11:13:27Z vzykov $ 00009 * 00010 * @author Carlos O'Ryan 00011 */ 00012 00013 #include "String_Traits_Base_T.h" 00014 #include "ace/OS_NS_string.h" 00015 00016 #include <algorithm> 00017 #include <functional> 00018 00019 TAO_BEGIN_VERSIONED_NAMESPACE_DECL 00020 00021 namespace TAO 00022 { 00023 namespace details 00024 { 00025 00026 template<typename char_type, class derived> 00027 struct string_traits_decorator 00028 { 00029 typedef char_type * value_type; 00030 typedef char_type const * const_value_type; 00031 00032 inline static void zero_range( 00033 char_type ** begin, char_type ** end) 00034 { 00035 ACE_OS::memset (begin, 0, (end - begin) * sizeof (char_type*)); 00036 } 00037 00038 inline static void initialize_range( 00039 char_type ** begin, char_type ** end) 00040 { 00041 std::generate(begin, end, &derived::default_initializer); 00042 } 00043 00044 # if !defined (ACE_LACKS_MEMBER_TEMPLATES) 00045 // Allow MSVC++ >= 8 checked iterators to be used. 00046 template <typename iter> 00047 inline static void copy_range( 00048 char_type ** begin, char_type ** end, iter dst) 00049 { 00050 std::transform(begin, end, dst, &derived::duplicate); 00051 } 00052 # else 00053 inline static void copy_range( 00054 char_type ** begin, char_type ** end, char_type ** dst) 00055 { 00056 std::transform(begin, end, dst, &derived::duplicate); 00057 } 00058 # endif /* !ACE_LACKS_MEMBER_TEMPLATES */ 00059 00060 # if !defined (ACE_LACKS_MEMBER_TEMPLATES) 00061 // Allow MSVC++ >= 8 checked iterators to be used. 00062 template <typename iter> 00063 inline static void copy_swap_range( 00064 char_type ** begin, char_type ** end, iter dst) 00065 { 00066 std::swap_ranges(begin, end, dst); 00067 } 00068 # else 00069 inline static void copy_swap_range( 00070 char_type ** begin, char_type ** end, char_type ** dst) 00071 { 00072 std::swap_ranges(begin, end, dst); 00073 } 00074 # endif /* !ACE_LACKS_MEMBER_TEMPLATES */ 00075 00076 inline static void release_range( 00077 char_type ** begin, char_type ** end) 00078 { 00079 std::for_each(begin, end, &derived::release); 00080 } 00081 00082 inline static char_type const * initialize_if_zero(char_type * & element) 00083 { 00084 if (element == 0) 00085 { 00086 element = derived::default_initializer(); 00087 } 00088 return element; 00089 } 00090 }; 00091 00092 template<class charT, bool dummy> 00093 struct string_traits 00094 : public string_traits_base<charT> 00095 , public string_traits_decorator<charT,string_traits<charT,dummy> > 00096 { 00097 }; 00098 00099 } // namespace details 00100 } // namespace CORBA 00101 00102 TAO_END_VERSIONED_NAMESPACE_DECL 00103 00104 #endif // guard_string_traits_hpp
