/*

 * Copyright (c) 2016-present, Yann Collet, Facebook, Inc.

 * All rights reserved.

 *

 * This source code is licensed under both the BSD-style license (found in the

 * LICENSE file in the root directory of this source tree) and the GPLv2 (found

 * in the COPYING file in the root directory of this source tree).

 * You may select, at your option, one of the above-listed licenses.

 */

#ifndef ZSTD_COMPRESS_SEQUENCES_H

#define ZSTD_COMPRESS_SEQUENCES_H

#include "fse.h" /* FSE_repeat, FSE_CTable */

#include "zstd_internal.h" /* symbolEncodingType_e, ZSTD_strategy */

typedef enum {

    ZSTD_defaultDisallowed = 0,

    ZSTD_defaultAllowed = 1

} ZSTD_defaultPolicy_e;

symbolEncodingType_e

ZSTD_selectEncodingType(

        FSE_repeat* repeatMode, unsigned const* count, unsigned const max,

        size_t const mostFrequent, size_t nbSeq, unsigned const FSELog,

        FSE_CTable const* prevCTable,

        short const* defaultNorm, U32 defaultNormLog,

        ZSTD_defaultPolicy_e const isDefaultAllowed,

        ZSTD_strategy const strategy);

size_t

ZSTD_buildCTable(void* dst, size_t dstCapacity,

                FSE_CTable* nextCTable, U32 FSELog, symbolEncodingType_e type,

                unsigned* count, U32 max,

                const BYTE* codeTable, size_t nbSeq,

                const S16* defaultNorm, U32 defaultNormLog, U32 defaultMax,

                const FSE_CTable* prevCTable, size_t prevCTableSize,

                void* entropyWorkspace, size_t entropyWorkspaceSize);

size_t ZSTD_encodeSequences(

            void* dst, size_t dstCapacity,

            FSE_CTable const* CTable_MatchLength, BYTE const* mlCodeTable,

            FSE_CTable const* CTable_OffsetBits, BYTE const* ofCodeTable,

            FSE_CTable const* CTable_LitLength, BYTE const* llCodeTable,

            seqDef const* sequences, size_t nbSeq, int longOffsets, int bmi2);

#endif /* ZSTD_COMPRESS_SEQUENCES_H */