diff options
Diffstat (limited to 'ace/Truncate.h')
| -rw-r--r-- | ace/Truncate.h | 119 |
1 files changed, 55 insertions, 64 deletions
diff --git a/ace/Truncate.h b/ace/Truncate.h index a45af94a21a..901e36823de 100644 --- a/ace/Truncate.h +++ b/ace/Truncate.h @@ -491,37 +491,14 @@ namespace ACE_Utils template<typename FROM, typename TO> struct Truncator; - // Partial specialization for the case where the types are the same. - // No truncation is necessary. - template<typename T> - struct Truncator<T, T> - { - static T trunc (T val) - { - return val; - } - }; - //---------------------------------------------------------- // sizeof(FROM) > sizeof(TO) //---------------------------------------------------------- template<> - struct ACE_Export Truncator<ACE_INT32, ACE_INT8> - { - static ACE_INT8 trunc (ACE_INT32 val) - { - return - (val > ACE_Numeric_Limits<ACE_INT8>::max () - ? ACE_Numeric_Limits<ACE_INT8>::max () - : static_cast<ACE_INT8> (val)); - } - }; - - template<> - struct ACE_Export Truncator<ACE_UINT32, ACE_UINT8> + struct Truncator<ACE_INT32, ACE_INT8> { - static ACE_UINT8 truncate (ACE_UINT32 val) + ACE_INT8 operator() (ACE_INT32 val) { return (val > ACE_Numeric_Limits<ACE_INT8>::max () @@ -531,9 +508,9 @@ namespace ACE_Utils }; template<> - struct ACE_Export Truncator<ACE_UINT32, ACE_UINT8> + struct Truncator<ACE_UINT32, ACE_UINT8> { - static ACE_UINT8 trunc (ACE_UINT32 val) + ACE_UINT8 operator() (ACE_UINT32 val) { return (val > static_cast<ACE_UINT32> (ACE_Numeric_Limits<ACE_UINT8>::max ()) @@ -543,9 +520,9 @@ namespace ACE_Utils }; template<> - struct ACE_Export Truncator<ACE_INT32, ACE_UINT8> + struct Truncator<ACE_INT32, ACE_UINT8> { - static ACE_UINT8 trunc (ACE_INT32 val) + ACE_UINT8 operator() (ACE_INT32 val) { return (val > static_cast<ACE_INT32> (ACE_Numeric_Limits<ACE_UINT8>::max ()) @@ -555,9 +532,9 @@ namespace ACE_Utils }; template<> - struct ACE_Export Truncator<ACE_UINT32, ACE_INT8> + struct Truncator<ACE_UINT32, ACE_INT8> { - static ACE_INT8 trunc (ACE_UINT32 val) + ACE_INT8 operator() (ACE_UINT32 val) { return (val > static_cast<ACE_UINT32> (ACE_Numeric_Limits<ACE_INT8>::max ()) @@ -567,9 +544,9 @@ namespace ACE_Utils }; template<> - struct ACE_Export Truncator<ACE_INT64, ACE_INT32> + struct Truncator<ACE_INT64, ACE_INT32> { - static ACE_INT32 trunc (ACE_INT64 val) + ACE_INT32 operator() (ACE_INT64 val) { return (val > ACE_Numeric_Limits<ACE_INT32>::max () @@ -579,9 +556,9 @@ namespace ACE_Utils }; template<> - struct ACE_Export Truncator<ACE_INT64, ACE_UINT32> + struct Truncator<ACE_INT64, ACE_UINT32> { - static ACE_UINT32 trunc (ACE_INT64 val) + ACE_UINT32 operator() (ACE_INT64 val) { return (val > static_cast<ACE_INT64> (ACE_Numeric_Limits<ACE_UINT32>::max ()) @@ -591,10 +568,11 @@ namespace ACE_Utils }; template<> - struct ACE_Export Truncator<ACE_UINT64, ACE_UINT32> + struct Truncator<ACE_UINT64, ACE_UINT32> { - static ACE_UINT32 trunc (ACE_UINT64 val) + ACE_UINT32 operator() (ACE_UINT64 val) { + return (val > static_cast<ACE_UINT64> (ACE_Numeric_Limits<ACE_UINT32>::max ()) ? ACE_Numeric_Limits<ACE_UINT32>::max () : static_cast<ACE_UINT32> (val)); @@ -602,9 +580,9 @@ namespace ACE_Utils }; template<> - struct ACE_Export Truncator<ACE_UINT64, ACE_INT32> + struct Truncator<ACE_UINT64, ACE_INT32> { - static ACE_INT32 trunc (ACE_UINT64 val) + ACE_INT32 operator() (ACE_UINT64 val) { return (val > static_cast<ACE_UINT64> (ACE_Numeric_Limits<ACE_INT32>::max ()) @@ -618,18 +596,18 @@ namespace ACE_Utils //---------------------------------------------------------- template<> - struct ACE_Export Truncator<ACE_INT32, ACE_UINT32> + struct Truncator<ACE_INT32, ACE_UINT32> { - static ACE_UINT32 trunc (ACE_INT32 val) + ACE_UINT32 operator() (ACE_INT32 val) { return static_cast<ACE_UINT32> (val); } }; template<> - struct ACE_Export Truncator<ACE_UINT32, ACE_INT32> + struct Truncator<ACE_UINT32, ACE_INT32> { - static ACE_INT32 trunc (ACE_UINT32 val) + ACE_INT32 operator() (ACE_UINT32 val) { return (val > static_cast<ACE_UINT32> (ACE_Numeric_Limits<ACE_INT32>::max ()) @@ -639,18 +617,18 @@ namespace ACE_Utils }; template<> - struct ACE_Export Truncator<ACE_INT64, ACE_UINT64> + struct Truncator<ACE_INT64, ACE_UINT64> { - static ACE_UINT64 trunc (ACE_INT64 val) + ACE_UINT64 operator() (ACE_INT64 val) { return static_cast<ACE_UINT64> (val); } }; template<> - struct ACE_Export Truncator<ACE_UINT64, ACE_INT64> + struct Truncator<ACE_UINT64, ACE_INT64> { - static ACE_INT64 trunc (ACE_UINT64 val) + ACE_INT64 operator() (ACE_UINT64 val) { return (val > static_cast<ACE_UINT64> (ACE_Numeric_Limits<ACE_INT64>::max ()) @@ -664,82 +642,95 @@ namespace ACE_Utils //---------------------------------------------------------- template<> - struct ACE_Export Truncator<ACE_INT8, ACE_INT32> + struct Truncator<ACE_INT8, ACE_INT32> { - static ACE_INT32 trunc (ACE_INT8 val) + ACE_INT32 operator() (ACE_INT8 val) { return static_cast<ACE_INT32> (val); } }; template<> - struct ACE_Export Truncator<ACE_UINT8, ACE_UINT32> + struct Truncator<ACE_UINT8, ACE_UINT32> { - static ACE_UINT32 trunc (ACE_UINT8 val) + ACE_UINT32 operator() (ACE_UINT8 val) { return static_cast<ACE_UINT32> (val); } }; template<> - struct ACE_Export Truncator<ACE_UINT8, ACE_INT32> + struct Truncator<ACE_UINT8, ACE_INT32> { - static ACE_INT32 trunc (ACE_UINT8 val) + ACE_INT32 operator() (ACE_UINT8 val) { return static_cast<ACE_INT32> (val); } }; template<> - struct ACE_Export Truncator<ACE_INT8, ACE_UINT32> + struct Truncator<ACE_INT8, ACE_UINT32> { - static ACE_UINT32 trunc (ACE_INT8 val) + ACE_UINT32 operator() (ACE_INT8 val) { return static_cast<ACE_UINT32> (val); } }; template<> - struct ACE_Export Truncator<ACE_INT32, ACE_INT64> + struct Truncator<ACE_INT32, ACE_INT64> { - static ACE_INT64 trunc (ACE_INT32 val) + ACE_INT64 operator() (ACE_INT32 val) { return static_cast<ACE_INT64> (val); } }; template<> - struct ACE_Export Truncator<ACE_INT32, ACE_UINT64> + struct Truncator<ACE_INT32, ACE_UINT64> { - static ACE_UINT64 trunc (ACE_INT32 val) + ACE_UINT64 operator() (ACE_INT32 val) { return static_cast<ACE_UINT64> (val); } }; template<> - struct ACE_Export Truncator<ACE_UINT32, ACE_UINT64> + struct Truncator<ACE_UINT32, ACE_UINT64> { - static ACE_UINT64 trunc (ACE_UINT32 val) + ACE_UINT64 operator() (ACE_UINT32 val) { return static_cast<ACE_UINT64> (val); } }; template<> - struct ACE_Export Truncator<ACE_UINT32, ACE_INT64> + struct Truncator<ACE_UINT32, ACE_INT64> { - static ACE_INT64 trunc (ACE_UINT32 val) + ACE_INT64 operator() (ACE_UINT32 val) { return static_cast<ACE_INT64> (val); } }; + // Partial specialization for the case where the types are the same. + // No truncation is necessary. + template<typename T> + struct Truncator<T, T> + { + T operator() (T val) + { + return val; + } + }; + // ------------------------------------- template<typename TO, typename FROM> inline TO Truncate (FROM val) { - return Truncator<FROM, TO>::trunc (val); + typedef Truncator<FROM, TO> truncator; + + return truncator() (val); } #endif /* !__BORLANDC__ || __BORLANDC__ > 0x582 */ |