BitMagic-C++
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Class for decoding data from memory buffer. More...
#include <encoding.h>
Public Member Functions | |
decoder (const unsigned char *buf) BMNOEXCEPT | |
Construction. More... | |
bm::short_t | get_16 () BMNOEXCEPT |
Reads 16-bit word from the decoding buffer. More... | |
bm::word_t | get_24 () BMNOEXCEPT |
Reads 32-bit word from the decoding buffer. More... | |
bm::word_t | get_32 () BMNOEXCEPT |
Reads 32-bit word from the decoding buffer. More... | |
bm::id64_t | get_48 () BMNOEXCEPT |
Reads 64-bit word from the decoding buffer. More... | |
bm::id64_t | get_64 () BMNOEXCEPT |
Reads 64-bit word from the decoding buffer. More... | |
void | get_32 (bm::word_t *w, unsigned count) BMNOEXCEPT |
Reads block of 32-bit words from the decoding buffer. More... | |
bool | get_32_OR (bm::word_t *w, unsigned count) BMNOEXCEPT |
Reads block of 32-bit words from the decoding buffer and ORs to the destination. More... | |
void | get_32_AND (bm::word_t *w, unsigned count) BMNOEXCEPT |
Reads block of 32-bit words from the decoding buffer and ANDs to the destination. More... | |
void | get_16 (bm::short_t *s, unsigned count) BMNOEXCEPT |
Reads block of 32-bit words from the decoding buffer. More... | |
Public Member Functions inherited from bm::decoder_base | |
decoder_base (const unsigned char *buf) BMNOEXCEPT | |
unsigned char | get_8 () BMNOEXCEPT |
Reads character from the decoding buffer. More... | |
size_t | size () const BMNOEXCEPT |
Returns size of the current decoding stream. More... | |
void | seek (int delta) BMNOEXCEPT |
change current position More... | |
void | memcpy (unsigned char *dst, size_t count) BMNOEXCEPT |
read bytes from the decode buffer More... | |
const unsigned char * | get_pos () const BMNOEXCEPT |
Return current buffer pointer. More... | |
void | set_pos (const unsigned char *pos) BMNOEXCEPT |
Set current buffer pointer. More... | |
bm::id64_t | get_h64 () BMNOEXCEPT |
Read h-64-bit. More... | |
Additional Inherited Members | |
Protected Attributes inherited from bm::decoder_base | |
const unsigned char * | buf_ |
More... | |
const unsigned char * | start_ |
Class for decoding data from memory buffer.
Properly handles aligment issues with integer data types.
Definition at line 125 of file encoding.h.
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inline |
Construction.
buf | - pointer to the decoding memory. |
Definition at line 713 of file encoding.h.
BMFORCEINLINE bm::short_t bm::decoder::get_16 | ( | ) |
Reads 16-bit word from the decoding buffer.
Definition at line 722 of file encoding.h.
References bm::encoder::memcpy().
Referenced by bm::sparse_vector_deserializer< SV >::load_remap(), bm::deseriaizer_base< DEC, BLOCK_IDX >::read_gap_block(), bm::deseriaizer_base< DEC, BLOCK_IDX >::read_id_list(), and bm::deseriaizer_base< DEC, BLOCK_IDX >::try_skip().
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inline |
Reads block of 32-bit words from the decoding buffer.
s | - pointer on memory block to read into. |
count | - size of memory block in words. |
Definition at line 923 of file encoding.h.
References BM_ASSERT, and bm::encoder::memcpy().
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inline |
Reads 32-bit word from the decoding buffer.
Definition at line 738 of file encoding.h.
Referenced by bm::deseriaizer_base< DEC, BLOCK_IDX >::try_skip().
BMFORCEINLINE bm::word_t bm::decoder::get_32 | ( | ) |
Reads 32-bit word from the decoding buffer.
Definition at line 751 of file encoding.h.
References bm::encoder::memcpy().
Referenced by bm::sparse_vector_deserializer< SV >::load_planes_off_table(), bm::sparse_vector_deserializer< SV >::load_remap(), and bm::deseriaizer_base< DEC, BLOCK_IDX >::try_skip().
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inline |
Reads block of 32-bit words from the decoding buffer.
w | - pointer on memory block to read into. |
count | - size of memory block in words. |
Definition at line 812 of file encoding.h.
References bm::encoder::memcpy().
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inline |
Reads block of 32-bit words from the decoding buffer and ANDs to the destination.
w | - pointer on memory block to read into |
count | - should match bm::set_block_size |
Definition at line 885 of file encoding.h.
References bm::avx2_and_arr_unal(), and bm::sse2_and_arr_unal().
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inline |
Reads block of 32-bit words from the decoding buffer and ORs to the destination.
w | - pointer on memory block to read into |
count | - should match bm::set_block_size |
Definition at line 844 of file encoding.h.
References bm::avx2_or_arr_unal(), and bm::sse2_or_arr_unal().
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inline |
Reads 64-bit word from the decoding buffer.
Definition at line 769 of file encoding.h.
Referenced by bm::deseriaizer_base< DEC, BLOCK_IDX >::try_skip().
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inline |
Reads 64-bit word from the decoding buffer.
Definition at line 786 of file encoding.h.
References bm::encoder::memcpy().
Referenced by bm::compressed_collection_deserializer< CBC >::deserialize(), bm::sparse_vector_deserializer< SV >::load_header(), bm::sparse_vector_deserializer< SV >::load_planes_off_table(), bm::sparse_vector_deserializer< SV >::load_remap(), and bm::deseriaizer_base< DEC, BLOCK_IDX >::try_skip().