/*
 * 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.
 */

#include "config.h"

/* Define a config for each fast level we want to test with. */
#define FAST_LEVEL(x)                                               \
    param_value_t const level_fast##x##_param_values[] = {          \
        {.param = ZSTD_p_compressionLevel, .value = (unsigned)-x},  \
    };                                                              \
    config_t const level_fast##x = {                                \
        .name = "level -" #x,                                       \
        .cli_args = "--fast=" #x,                                   \
        .param_values = PARAM_VALUES(level_fast##x##_param_values), \
    };

/* Define a config for each level we want to test with. */
#define LEVEL(x)                                                  \
    param_value_t const level_##x##_param_values[] = {            \
        {.param = ZSTD_p_compressionLevel, .value = (unsigned)x}, \
    };                                                            \
    config_t const level_##x = {                                  \
        .name = "level " #x,                                      \
        .cli_args = "-" #x,                                       \
        .param_values = PARAM_VALUES(level_##x##_param_values),   \
    };


#define PARAM_VALUES(pv) \
    { .data = pv, .size = sizeof(pv) / sizeof((pv)[0]) }

#include "levels.h"

#undef LEVEL
#undef FAST_LEVEL

static config_t const* g_configs[] = {
#define FAST_LEVEL(x) &level_fast##x,
#define LEVEL(x) &level_##x,
#include "levels.h"
#undef LEVEL
#undef FAST_LEVEL
    NULL,
};

config_t const* const* configs = g_configs;

int config_get_level(config_t const* config) {
    param_values_t const params = config->param_values;
    size_t i;
    for (size_t i = 0; i < params.size; ++i) {
        if (params.data[i].param == ZSTD_p_compressionLevel)
            return params.data[i].value;
    }
    return CONFIG_NO_LEVEL;
}