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Last change
on this file since 1702 was
1675,
checked in by rgrieder, 17 years ago
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Please always set svn property eol-style to 'native'. That avoids problems with line endings on different platforms.
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Property svn:eol-style set to
native
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File size:
1.4 KB
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| 1 | #include "Bytestream.h" |
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| 2 | #include <assert.h> |
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| 3 | |
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| 4 | #define DEFAULT_SIZE 100 // bytes |
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| 5 | #define RESIZE_AMOUNT 100 |
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| 6 | |
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| 7 | Bytestream::Bytestream(){ |
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| 8 | data_ = new DATA_TYPE[DEFAULT_SIZE+1]; |
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| 9 | readIterator_ = 0; |
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| 10 | writeIterator_ = 0; |
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| 11 | maxSize_ = DEFAULT_SIZE; |
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| 12 | } |
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| 13 | |
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| 14 | Bytestream::Bytestream( unsigned int size ){ |
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| 15 | data_ = new DATA_TYPE[ size+1 ]; |
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| 16 | readIterator_ = 0; |
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| 17 | writeIterator_ = 0; |
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| 18 | maxSize_ = size; |
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| 19 | } |
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| 20 | |
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| 21 | Bytestream::Bytestream( DATA_TYPE *data, unsigned int size, bool empty ){ |
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| 22 | data_ = data; |
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| 23 | if(empty) |
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| 24 | writeIterator_ = 0; |
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| 25 | else |
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| 26 | writeIterator_ = size; |
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| 27 | readIterator_ = 0; |
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| 28 | maxSize_ = size; |
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| 29 | } |
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| 30 | |
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| 31 | Bytestream::~Bytestream(){ |
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| 32 | delete [] data_; |
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| 33 | } |
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| 34 | |
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| 35 | |
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| 36 | void Bytestream::write( void *data, unsigned int length ){ |
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| 37 | if(writeIterator_+length > maxSize_){ |
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| 38 | maxSize_ += RESIZE_AMOUNT; |
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| 39 | data_ = (DATA_TYPE* )realloc(data_, maxSize_); |
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| 40 | } |
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| 41 | memcpy( &data_[writeIterator_], &data, length ); |
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| 42 | writeIterator_+= length; |
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| 43 | } |
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| 44 | |
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| 45 | void Bytestream::read( void *data, unsigned int length ){ |
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| 46 | assert(readIterator_+length <= maxSize_); |
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| 47 | memcpy( &data, &data_[readIterator_], length ); |
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| 48 | readIterator_ += length; |
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| 49 | assert(readIterator_<=maxSize_); |
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| 50 | } |
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| 51 | |
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| 52 | void Bytestream::readString(std::string& s){ |
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| 53 | void readString(std::string& s); |
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| 54 | readIterator_ += s.length()+1; |
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| 55 | assert(readIterator_<=maxSize_); |
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| 56 | } |
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| 57 | |
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| 58 | |
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