diff options
Diffstat (limited to 'src/integer.h')
| -rw-r--r-- | src/integer.h | 86 |
1 files changed, 0 insertions, 86 deletions
diff --git a/src/integer.h b/src/integer.h deleted file mode 100644 index a5e0d58..0000000 --- a/src/integer.h +++ /dev/null | |||
| @@ -1,86 +0,0 @@ | |||
| 1 | #ifndef GATS_INTEGER_H | ||
| 2 | #define GATS_INTEGER_H | ||
| 3 | |||
| 4 | #include "gats/object.h" | ||
| 5 | |||
| 6 | #include <stdint.h> | ||
| 7 | |||
| 8 | #include <bu/stream.h> | ||
| 9 | |||
| 10 | namespace Gats | ||
| 11 | { | ||
| 12 | class Integer : public Gats::Object | ||
| 13 | { | ||
| 14 | public: | ||
| 15 | Integer(); | ||
| 16 | Integer( int64_t iVal ); | ||
| 17 | virtual ~Integer(); | ||
| 18 | |||
| 19 | virtual Object *clone() const; | ||
| 20 | |||
| 21 | virtual Type getType() const { return typeInteger; } | ||
| 22 | int64_t getValue() const { return iVal; } | ||
| 23 | |||
| 24 | virtual void write( Bu::Stream &rOut ) const; | ||
| 25 | virtual void read( Bu::Stream &rIn, char cType ); | ||
| 26 | |||
| 27 | template<typename itype> | ||
| 28 | static void readPackedInt( Bu::Stream &rStream, itype &rOut ) | ||
| 29 | { | ||
| 30 | int8_t b; | ||
| 31 | rOut = 0; | ||
| 32 | bool bNeg; | ||
| 33 | |||
| 34 | rStream.read( &b, 1 ); | ||
| 35 | bNeg = ( b&0x40 ); | ||
| 36 | rOut |= (itype(b&0x3F)); | ||
| 37 | int c = 0; | ||
| 38 | while( (b&0x80) ) | ||
| 39 | { | ||
| 40 | rStream.read( &b, 1 ); | ||
| 41 | rOut |= (itype(b&0x7F)) << (6+7*(c++)); | ||
| 42 | } | ||
| 43 | if( bNeg ) rOut = -rOut; | ||
| 44 | } | ||
| 45 | |||
| 46 | template<typename itype> | ||
| 47 | static void writePackedInt( Bu::Stream &rStream, itype iIn ) | ||
| 48 | { | ||
| 49 | uint8_t b; | ||
| 50 | |||
| 51 | if( iIn < 0 ) | ||
| 52 | { | ||
| 53 | iIn = -iIn; | ||
| 54 | b = (iIn&0x3F); | ||
| 55 | if( iIn > b ) | ||
| 56 | b |= 0x80 | 0x40; | ||
| 57 | else | ||
| 58 | b |= 0x40; | ||
| 59 | } | ||
| 60 | else | ||
| 61 | { | ||
| 62 | b = (iIn&0x3F); | ||
| 63 | if( iIn > b ) | ||
| 64 | b |= 0x80; | ||
| 65 | } | ||
| 66 | rStream.write( &b, 1 ); | ||
| 67 | iIn = iIn >> 6; | ||
| 68 | |||
| 69 | while( iIn ) | ||
| 70 | { | ||
| 71 | b = (iIn&0x7F); | ||
| 72 | if( iIn > b ) | ||
| 73 | b |= 0x80; | ||
| 74 | rStream.write( &b, 1 ); | ||
| 75 | iIn = iIn >> 7; | ||
| 76 | } | ||
| 77 | } | ||
| 78 | |||
| 79 | private: | ||
| 80 | int64_t iVal; | ||
| 81 | }; | ||
| 82 | }; | ||
| 83 | |||
| 84 | Bu::Formatter &operator<<( Bu::Formatter &f, const Gats::Integer &i ); | ||
| 85 | |||
| 86 | #endif | ||
