grocksdb.c

#include "grocksdb.h"
#include "_cgo_export.h"

/* Base */

void grocksdb_destruct_handler(void* state) { }

/* Comparator */

rocksdb_comparator_t* grocksdb_comparator_create(uintptr_t idx) {
    return rocksdb_comparator_create(
        (void*)idx,
        grocksdb_destruct_handler,
        (int (*)(void*, const char*, size_t, const char*, size_t))(grocksdb_comparator_compare),
        (const char *(*)(void*))(grocksdb_comparator_name));
}

rocksdb_comparator_t* grocksdb_comparator_with_ts_create(uintptr_t idx, size_t ts_size) {
    return rocksdb_comparator_with_ts_create(
        (void*)idx,
        grocksdb_destruct_handler,
        (int (*)(void*, const char*, size_t, const char*, size_t))(grocksdb_comparator_compare),
        (int (*)(void*, const char*, size_t, const char*, size_t))(grocksdb_comparator_compare_ts),
        (int (*)(void*, const char*, size_t, unsigned char, const char*, size_t, unsigned char))(grocksdb_comparator_compare_without_ts),
        (const char* (*)(void*))(grocksdb_comparator_name),
        ts_size);
}

/* CompactionFilter */

rocksdb_compactionfilter_t* grocksdb_compactionfilter_create(uintptr_t idx) {
    return rocksdb_compactionfilter_create(
        (void*)idx,
        grocksdb_destruct_handler,
        (unsigned char (*)(void*, int, const char*, size_t, const char*, size_t, char**, size_t*, unsigned char*))(grocksdb_compactionfilter_filter),
        (const char *(*)(void*))(grocksdb_compactionfilter_name));
}

/* Merge Operator */

rocksdb_mergeoperator_t* grocksdb_mergeoperator_create(uintptr_t idx) {
    return rocksdb_mergeoperator_create(
        (void*)idx,
        grocksdb_destruct_handler,
        (char* (*)(void*, const char*, size_t, const char*, size_t, const char* const*, const size_t*, int, unsigned char*, size_t*))(grocksdb_mergeoperator_full_merge),
        (char* (*)(void*, const char*, size_t, const char* const*, const size_t*, int, unsigned char*, size_t*))(grocksdb_mergeoperator_partial_merge_multi),
        grocksdb_mergeoperator_delete_value,
        (const char* (*)(void*))(grocksdb_mergeoperator_name));
}

void grocksdb_mergeoperator_delete_value(void* id, const char* v, size_t s) {
    free((char*)v);
}

/* Slice Transform */

rocksdb_slicetransform_t* grocksdb_slicetransform_create(uintptr_t idx) {
    return rocksdb_slicetransform_create(
    	(void*)idx,
    	grocksdb_destruct_handler,
    	(char* (*)(void*, const char*, size_t, size_t*))(grocksdb_slicetransform_transform),
    	(unsigned char (*)(void*, const char*, size_t))(grocksdb_slicetransform_in_domain),
    	(unsigned char (*)(void*, const char*, size_t))(grocksdb_slicetransform_in_range),
    	(const char* (*)(void*))(grocksdb_slicetransform_name));
}