cache/compressors/cpack.hh

84             const std::array<uint8_t, 4>& bytes,
88             // location is used, the patterns that use the dictionary bytes
91             if (Head::isPattern(bytes, dict_bytes, match_location)) {
93                             new Head(bytes, match_location));
96                 return Factory<Tail...>::getPattern(bytes, dict_bytes,
109             const std::array<uint8_t, 4>& bytes,
113             return std::unique_ptr<Pattern>(new Head(bytes, match_location));
251      * Number of unmatched bytes;
279      * @param num_unmatched_bytes Number of unmatched bytes.
359      * @param dict_bytes The bytes in the corresponding matching entry.
370     PatternZZZZ(const std::array<uint8_t, 4> bytes, const int match_location)
373     static bool isPattern(const std::array<uint8_t, 4>& bytes,
377         return (bytes[3] == 0) && (bytes[2] == 0) && (bytes[1] == 0) &&
378                (bytes[0] == 0);
395     const std::array<uint8_t, 4> bytes;
398     PatternXXXX(const std::array<uint8_t, 4> bytes, const int match_location)
399         : Pattern(XXXX, 0x1, 2, 4, 0, true), bytes(bytes) {}
401     static bool isPattern(const std::array<uint8_t, 4>& bytes,
413         data = bytes;
421     PatternMMMM(const std::array<uint8_t, 4> bytes, const int match_location)
424     static bool isPattern(const std::array<uint8_t, 4>& bytes,
428         return (bytes == dict_bytes) && (match_location >= 0);
443      * A copy of the unmatched bytes.
449     PatternMMXX(const std::array<uint8_t, 4> bytes, const int match_location)
451                   byte0(bytes[0]), byte1(bytes[1]) {}
453     static bool isPattern(const std::array<uint8_t, 4>& bytes,
457         // Notice we don't compare bytes[0], as otherwise we'd be unnecessarily
459         return (bytes[3] == dict_bytes[3]) && (bytes[2] == dict_bytes[2]) &&
460                (bytes[1] != dict_bytes[1]) && (match_location >= 0);
481     PatternZZZX(const std::array<uint8_t, 4> bytes, const int match_location)
482         : Pattern(ZZZX, 0xD, 4, 1, 0, false), byte(bytes[0]) {}
484     static bool isPattern(const std::array<uint8_t, 4>& bytes,
488         return (bytes[3] == 0) && (bytes[2] == 0) && (bytes[1] == 0) &&
489                (bytes[0] != 0);
509     PatternMMMX(const std::array<uint8_t, 4> bytes, const int match_location)
511                   byte(bytes[0]) {}
513     static bool isPattern(const std::array<uint8_t, 4>& bytes,
517         return (bytes[3] == dict_bytes[3]) && (bytes[2] == dict_bytes[2]) &&
518                (bytes[1] == dict_bytes[1]) && (bytes[0] != dict_bytes[0]) &&