diff options
author | Daniel Wilhelm <daniel@wili.li> | 2014-04-18 17:10:11 +0200 |
---|---|---|
committer | Daniel Wilhelm <daniel@wili.li> | 2014-04-18 17:10:11 +0200 |
commit | c0cdb2ad99a1e2a6ade5ce76c91177a79258e669 (patch) | |
tree | 4701a015385d9a6a5a4ba99a8f1f5d400fff26b1 /shared/loki/SafeBits.h | |
parent | 3.13 (diff) | |
download | FreeFileSync-c0cdb2ad99a1e2a6ade5ce76c91177a79258e669.tar.gz FreeFileSync-c0cdb2ad99a1e2a6ade5ce76c91177a79258e669.tar.bz2 FreeFileSync-c0cdb2ad99a1e2a6ade5ce76c91177a79258e669.zip |
3.14
Diffstat (limited to 'shared/loki/SafeBits.h')
-rw-r--r-- | shared/loki/SafeBits.h | 128 |
1 files changed, 64 insertions, 64 deletions
diff --git a/shared/loki/SafeBits.h b/shared/loki/SafeBits.h index f45065ed..4105f375 100644 --- a/shared/loki/SafeBits.h +++ b/shared/loki/SafeBits.h @@ -102,7 +102,7 @@ namespace Loki /// the template one. The only downside is that instead of compile-time checking /// of the index argument, it does runtime checking. #if defined(__SUNPRO_CC) || ( defined(__GNUC__) && (__GNUC__ < 3) ) - #define LOKI_BIT_FIELD_NONTEMPLATE_INIT +#define LOKI_BIT_FIELD_NONTEMPLATE_INIT #endif /// @par Forbidding Conversions. @@ -118,9 +118,9 @@ template < typename > struct Forbidden_conversion; // This struct must not be d /// Forward declaration of the field type. template < - unsigned int unique_index, - typename word_t = unsigned long -> class SafeBitField; +unsigned int unique_index, + typename word_t = unsigned long + > class SafeBitField; //////////////////////////////////////////////////////////////////////////////// /// \class SafeBitConst Bit constants. @@ -141,9 +141,9 @@ template < template < - unsigned int unique_index, - typename word_t = unsigned long -> +unsigned int unique_index, + typename word_t = unsigned long + > class SafeBitConst { public: @@ -193,32 +193,32 @@ public: SafeBitConst( const SafeBitConst& rhs ) : word( rhs.word ) {} /// Comparison operators which take a constant bit value. - bool operator == ( const SafeBitConst & rhs ) const { return word == rhs.word; } - bool operator != ( const SafeBitConst & rhs ) const { return word != rhs.word; } - bool operator < ( const SafeBitConst & rhs ) const { return word < rhs.word; } - bool operator > ( const SafeBitConst & rhs ) const { return word > rhs.word; } - bool operator <= ( const SafeBitConst & rhs ) const { return word <= rhs.word; } - bool operator >= ( const SafeBitConst & rhs ) const { return word >= rhs.word; } + bool operator == ( const SafeBitConst& rhs ) const { return word == rhs.word; } + bool operator != ( const SafeBitConst& rhs ) const { return word != rhs.word; } + bool operator < ( const SafeBitConst& rhs ) const { return word < rhs.word; } + bool operator > ( const SafeBitConst& rhs ) const { return word > rhs.word; } + bool operator <= ( const SafeBitConst& rhs ) const { return word <= rhs.word; } + bool operator >= ( const SafeBitConst& rhs ) const { return word >= rhs.word; } /// Comparision operators for mutable bit fields. - bool operator == ( const field_t & rhs ) const { return word == rhs.word; } - bool operator != ( const field_t & rhs ) const { return word != rhs.word; } - bool operator < ( const field_t & rhs ) const { return word < rhs.word; } - bool operator > ( const field_t & rhs ) const { return word > rhs.word; } - bool operator <= ( const field_t & rhs ) const { return word <= rhs.word; } - bool operator >= ( const field_t & rhs ) const { return word >= rhs.word; } + bool operator == ( const field_t& rhs ) const { return word == rhs.word; } + bool operator != ( const field_t& rhs ) const { return word != rhs.word; } + bool operator < ( const field_t& rhs ) const { return word < rhs.word; } + bool operator > ( const field_t& rhs ) const { return word > rhs.word; } + bool operator <= ( const field_t& rhs ) const { return word <= rhs.word; } + bool operator >= ( const field_t& rhs ) const { return word >= rhs.word; } /// Bitwise operations. Operation-assignment operators are not needed, /// since bit constants cannot be changed after they are initialized. - const SafeBitConst operator | ( const SafeBitConst & rhs ) const { return SafeBitConst( word | rhs.word ); } - const SafeBitConst operator & ( const SafeBitConst & rhs ) const { return SafeBitConst( word & rhs.word ); } - const SafeBitConst operator ^ ( const SafeBitConst & rhs ) const { return SafeBitConst( word ^ rhs.word ); } + const SafeBitConst operator | ( const SafeBitConst& rhs ) const { return SafeBitConst( word | rhs.word ); } + const SafeBitConst operator & ( const SafeBitConst& rhs ) const { return SafeBitConst( word & rhs.word ); } + const SafeBitConst operator ^ ( const SafeBitConst& rhs ) const { return SafeBitConst( word ^ rhs.word ); } const SafeBitConst operator ~ ( void ) const { return SafeBitConst( ~word ); } /// These bitwise operators return a bit-field instead of a bit-const. - field_t operator | ( const field_t & rhs ) const { return field_t( word | rhs.word ); } - field_t operator & ( const field_t & rhs ) const { return field_t( word & rhs.word ); } - field_t operator ^ ( const field_t & rhs ) const { return field_t( word ^ rhs.word ); } + field_t operator | ( const field_t& rhs ) const { return field_t( word | rhs.word ); } + field_t operator & ( const field_t& rhs ) const { return field_t( word & rhs.word ); } + field_t operator ^ ( const field_t& rhs ) const { return field_t( word ^ rhs.word ); } /// The shift operators move bits inside the bit field. These are useful in /// loops which act over bit fields and increment them. @@ -232,7 +232,7 @@ private: /// Copy-assignment operator is not implemented since it does not make sense /// for a constant object. - SafeBitConst operator = ( const SafeBitConst & rhs ); + SafeBitConst operator = ( const SafeBitConst& rhs ); // Private constructor from an integer type. explicit SafeBitConst( word_t init ) : word( init ) {} @@ -287,9 +287,9 @@ private: template < - unsigned int unique_index, - typename word_t -> +unsigned int unique_index, + typename word_t + > class SafeBitField { public: @@ -305,37 +305,37 @@ public: SafeBitField() : word( 0 ) {} /// Copy constructor and assignment operators. - SafeBitField( const SafeBitField & rhs ) : word( rhs.word ) {} - SafeBitField & operator = ( const SafeBitField & rhs ) { word = rhs.word; return *this; } + SafeBitField( const SafeBitField& rhs ) : word( rhs.word ) {} + SafeBitField& operator = ( const SafeBitField& rhs ) { word = rhs.word; return *this; } /// Copy constructor and assignment operators from constant bit fields. - SafeBitField( const const_t & rhs ) : word( rhs.word ) {} - SafeBitField & operator = ( const const_t & rhs ) { word = rhs.word; return *this; } + SafeBitField( const const_t& rhs ) : word( rhs.word ) {} + SafeBitField& operator = ( const const_t& rhs ) { word = rhs.word; return *this; } /// These comparison operators act on bit-fields of the same type. - bool operator == ( const SafeBitField & rhs ) const { return word == rhs.word; } - bool operator != ( const SafeBitField & rhs ) const { return word != rhs.word; } - bool operator < ( const SafeBitField & rhs ) const { return word < rhs.word; } - bool operator > ( const SafeBitField & rhs ) const { return word > rhs.word; } - bool operator <= ( const SafeBitField & rhs ) const { return word <= rhs.word; } - bool operator >= ( const SafeBitField & rhs ) const { return word >= rhs.word; } + bool operator == ( const SafeBitField& rhs ) const { return word == rhs.word; } + bool operator != ( const SafeBitField& rhs ) const { return word != rhs.word; } + bool operator < ( const SafeBitField& rhs ) const { return word < rhs.word; } + bool operator > ( const SafeBitField& rhs ) const { return word > rhs.word; } + bool operator <= ( const SafeBitField& rhs ) const { return word <= rhs.word; } + bool operator >= ( const SafeBitField& rhs ) const { return word >= rhs.word; } /// These comparison operators act on bit-constants of a similar type. - bool operator == ( const const_t & rhs ) const { return word == rhs.word; } - bool operator != ( const const_t & rhs ) const { return word != rhs.word; } - bool operator < ( const const_t & rhs ) const { return word < rhs.word; } - bool operator > ( const const_t & rhs ) const { return word > rhs.word; } - bool operator <= ( const const_t & rhs ) const { return word <= rhs.word; } - bool operator >= ( const const_t & rhs ) const { return word >= rhs.word; } + bool operator == ( const const_t& rhs ) const { return word == rhs.word; } + bool operator != ( const const_t& rhs ) const { return word != rhs.word; } + bool operator < ( const const_t& rhs ) const { return word < rhs.word; } + bool operator > ( const const_t& rhs ) const { return word > rhs.word; } + bool operator <= ( const const_t& rhs ) const { return word <= rhs.word; } + bool operator >= ( const const_t& rhs ) const { return word >= rhs.word; } /// Bitwise operations that use bit-fields. - SafeBitField operator | ( const SafeBitField & rhs ) const { return SafeBitField( word | rhs.word ); } - SafeBitField operator & ( const SafeBitField & rhs ) const { return SafeBitField( word & rhs.word ); } - SafeBitField operator ^ ( const SafeBitField & rhs ) const { return SafeBitField( word ^ rhs.word ); } + SafeBitField operator | ( const SafeBitField& rhs ) const { return SafeBitField( word | rhs.word ); } + SafeBitField operator & ( const SafeBitField& rhs ) const { return SafeBitField( word & rhs.word ); } + SafeBitField operator ^ ( const SafeBitField& rhs ) const { return SafeBitField( word ^ rhs.word ); } SafeBitField operator ~ ( void ) const { return SafeBitField( ~word ); } - SafeBitField operator |= ( const SafeBitField & rhs ) { word |= rhs.word; return SafeBitField( *this ); } - SafeBitField operator &= ( const SafeBitField & rhs ) { word &= rhs.word; return SafeBitField( *this ); } - SafeBitField operator ^= ( const SafeBitField & rhs ) { word ^= rhs.word; return SafeBitField( *this ); } + SafeBitField operator |= ( const SafeBitField& rhs ) { word |= rhs.word; return SafeBitField( *this ); } + SafeBitField operator &= ( const SafeBitField& rhs ) { word &= rhs.word; return SafeBitField( *this ); } + SafeBitField operator ^= ( const SafeBitField& rhs ) { word ^= rhs.word; return SafeBitField( *this ); } /// Bitwise operators that use bit-constants. SafeBitField operator | ( const_t rhs ) const { return SafeBitField( word | rhs.word ); } @@ -471,42 +471,42 @@ inline SafeBitField< unique_index, word_t > operator != ( bool, SafeBitField< un // This creates a typedef field_t for SafeBitField<unique_index, ulong> where index is the current line number. Since line numbers __LINE__ are counted // separately for all header files, this ends up being the same type in all files using the header which defines field_t. #ifdef LOKI_SAFE_BIT_FIELD - #define LOKI_BIT_FIELD( word_t ) typedef SafeBitField<__LINE__, word_t> +#define LOKI_BIT_FIELD( word_t ) typedef SafeBitField<__LINE__, word_t> #else - #define LOKI_BIT_FIELD( word_t ) typedef word_t +#define LOKI_BIT_FIELD( word_t ) typedef word_t #endif // LOKI_SAFE_BIT_FIELD // The second macro helps to declare static bit constants: // LOKI_BIT_CONST( field_t, Label_1, 1 ); // creates new bit field object named Label_1 of type field_t which represents the field with the 1st (junior) bit set. #ifdef LOKI_SAFE_BIT_FIELD - #ifndef LOKI_BIT_FIELD_NONTEMPLATE_INIT - #define LOKI_BIT_CONST( field_t, label, bit_index ) \ +#ifndef LOKI_BIT_FIELD_NONTEMPLATE_INIT +#define LOKI_BIT_CONST( field_t, label, bit_index ) \ static const field_t::const_t label = field_t::const_t::make_bit_const<bit_index>() - #else - #define LOKI_BIT_CONST( field_t, label, bit_index ) \ +#else +#define LOKI_BIT_CONST( field_t, label, bit_index ) \ static const field_t::const_t label = field_t::const_t::make_bit_const( bit_index ) - #endif // LOKI_BIT_FIELD_NONTEMPLATE_INIT +#endif // LOKI_BIT_FIELD_NONTEMPLATE_INIT #else - inline size_t make_bit_const( size_t i ) { return ( i > 0 ) ? ( size_t(1) << ( ( i > 0 ) ? ( i - 1 ) : 0 ) ) : 0; } - #define LOKI_BIT_CONST( field_t, label, bit_index ) static const field_t label = make_bit_const( bit_index ) +inline size_t make_bit_const( size_t i ) { return ( i > 0 ) ? ( size_t(1) << ( ( i > 0 ) ? ( i - 1 ) : 0 ) ) : 0; } +#define LOKI_BIT_CONST( field_t, label, bit_index ) static const field_t label = make_bit_const( bit_index ) #endif // LOKI_SAFE_BIT_FIELD // The third macro helps to declare complex bit constants which are combination of several bits: // LOKI_BIT_CONSTS( field_t, Label12 ) = Label_1 | Label_2; #ifdef LOKI_SAFE_BIT_FIELD - #define LOKI_BIT_CONSTS( field_t, label ) static const field_t::const_t label +#define LOKI_BIT_CONSTS( field_t, label ) static const field_t::const_t label #else - #define LOKI_BIT_CONSTS( field_t, label ) static const field_t label +#define LOKI_BIT_CONSTS( field_t, label ) static const field_t label #endif // LOKI_SAFE_BIT_FIELD // The fourth macro helps to declare the maximum number of bit constants for a given type: // static const size_t count = LOKI_BIT_FIELD_COUNT( field_t ); // declared a variable "count" initialized to field_t::size() #ifdef LOKI_SAFE_BIT_FIELD - #define LOKI_BIT_FIELD_COUNT( field_t ) field_t::size() +#define LOKI_BIT_FIELD_COUNT( field_t ) field_t::size() #else - #define LOKI_BIT_FIELD_COUNT( field_t ) ( 8 * sizeof(field_t) ) +#define LOKI_BIT_FIELD_COUNT( field_t ) ( 8 * sizeof(field_t) ) #endif // LOKI_SAFE_BIT_FIELD } // namespace Loki |