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https://bugzilla.tianocore.org/show_bug.cgi?id=1201 Update Brotli to the latest version 1.0.6 https://github.com/google/brotli Verify VS2017, GCC5 build. Verify Decompression boot functionality. Contributed-under: TianoCore Contribution Agreement 1.1 Signed-off-by: Liming Gao <liming.gao@intel.com> Reviewed-by: Star Zeng <star.zeng@intel.com>
81 lines
3.0 KiB
C
81 lines
3.0 KiB
C
/* transforms is a part of ABI, but not API.
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It means that there are some functions that are supposed to be in "common"
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library, but header itself is not placed into include/brotli. This way,
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aforementioned functions will be available only to brotli internals.
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*/
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#ifndef BROTLI_COMMON_TRANSFORM_H_
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#define BROTLI_COMMON_TRANSFORM_H_
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#include <brotli/port.h>
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#include <brotli/types.h>
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#if defined(__cplusplus) || defined(c_plusplus)
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extern "C" {
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#endif
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enum BrotliWordTransformType {
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BROTLI_TRANSFORM_IDENTITY = 0,
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BROTLI_TRANSFORM_OMIT_LAST_1 = 1,
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BROTLI_TRANSFORM_OMIT_LAST_2 = 2,
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BROTLI_TRANSFORM_OMIT_LAST_3 = 3,
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BROTLI_TRANSFORM_OMIT_LAST_4 = 4,
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BROTLI_TRANSFORM_OMIT_LAST_5 = 5,
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BROTLI_TRANSFORM_OMIT_LAST_6 = 6,
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BROTLI_TRANSFORM_OMIT_LAST_7 = 7,
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BROTLI_TRANSFORM_OMIT_LAST_8 = 8,
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BROTLI_TRANSFORM_OMIT_LAST_9 = 9,
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BROTLI_TRANSFORM_UPPERCASE_FIRST = 10,
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BROTLI_TRANSFORM_UPPERCASE_ALL = 11,
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BROTLI_TRANSFORM_OMIT_FIRST_1 = 12,
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BROTLI_TRANSFORM_OMIT_FIRST_2 = 13,
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BROTLI_TRANSFORM_OMIT_FIRST_3 = 14,
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BROTLI_TRANSFORM_OMIT_FIRST_4 = 15,
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BROTLI_TRANSFORM_OMIT_FIRST_5 = 16,
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BROTLI_TRANSFORM_OMIT_FIRST_6 = 17,
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BROTLI_TRANSFORM_OMIT_FIRST_7 = 18,
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BROTLI_TRANSFORM_OMIT_FIRST_8 = 19,
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BROTLI_TRANSFORM_OMIT_FIRST_9 = 20,
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BROTLI_NUM_TRANSFORM_TYPES /* Counts transforms, not a transform itself. */
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};
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#define BROTLI_TRANSFORMS_MAX_CUT_OFF BROTLI_TRANSFORM_OMIT_LAST_9
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typedef struct BrotliTransforms {
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uint16_t prefix_suffix_size;
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/* Last character must be null, so prefix_suffix_size must be at least 1. */
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const uint8_t* prefix_suffix;
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const uint16_t* prefix_suffix_map;
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uint32_t num_transforms;
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/* Each entry is a [prefix_id, transform, suffix_id] triplet. */
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const uint8_t* transforms;
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/* Indices of transforms like ["", BROTLI_TRANSFORM_OMIT_LAST_#, ""].
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0-th element corresponds to ["", BROTLI_TRANSFORM_IDENTITY, ""].
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-1, if cut-off transform does not exist. */
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int16_t cutOffTransforms[BROTLI_TRANSFORMS_MAX_CUT_OFF + 1];
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} BrotliTransforms;
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/* T is BrotliTransforms*; result is uint8_t. */
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#define BROTLI_TRANSFORM_PREFIX_ID(T, I) ((T)->transforms[((I) * 3) + 0])
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#define BROTLI_TRANSFORM_TYPE(T, I) ((T)->transforms[((I) * 3) + 1])
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#define BROTLI_TRANSFORM_SUFFIX_ID(T, I) ((T)->transforms[((I) * 3) + 2])
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/* T is BrotliTransforms*; result is const uint8_t*. */
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#define BROTLI_TRANSFORM_PREFIX(T, I) (&(T)->prefix_suffix[ \
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(T)->prefix_suffix_map[BROTLI_TRANSFORM_PREFIX_ID(T, I)]])
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#define BROTLI_TRANSFORM_SUFFIX(T, I) (&(T)->prefix_suffix[ \
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(T)->prefix_suffix_map[BROTLI_TRANSFORM_SUFFIX_ID(T, I)]])
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BROTLI_COMMON_API const BrotliTransforms* BrotliGetTransforms(void);
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BROTLI_COMMON_API int BrotliTransformDictionaryWord(
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uint8_t* dst, const uint8_t* word, int len,
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const BrotliTransforms* transforms, int transform_idx);
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#if defined(__cplusplus) || defined(c_plusplus)
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} /* extern "C" */
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#endif
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#endif /* BROTLI_COMMON_TRANSFORM_H_ */
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