serialize_config.c

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// SPDX-FileCopyrightText: 2020 Florian Märkl <info@florianmaerkl.de>
// SPDX-License-Identifier: LGPL-3.0-only
 
#include <rz_util/rz_serialize.h>
#include <rz_config.h>
 
/*
 *
 * RzConfig isn't completely serialized, only the values.
 *
 * SDB Format:
 *
 * /
 *   <name>=<value>
 *   ...
 *
 */
 
RZ_API void rz_serialize_config_save(RZ_NONNULL Sdb *db, RZ_NONNULL RzConfig *config) {
    RzListIter *iter;
    RzConfigNode *node;
    rz_list_foreach (config->nodes, iter, node) {
        sdb_set(db, node->name, node->value, 0);
    }
}
 
typedef struct load_config_ctx_t {
    RzConfig *config;
    HtPP *exclude;
} LoadConfigCtx;
 
static bool load_config_cb(void *user, const char *k, const char *v) {
    LoadConfigCtx *ctx = user;
    if (ctx->exclude && ht_pp_find_kv(ctx->exclude, k, NULL)) {
        return true;
    }
    RzConfigNode *node = rz_config_node_get(ctx->config, k);
    if (!node) {
        return 1;
    }
    rz_config_set(ctx->config, k, v);
    return 1;
}
 
RZ_API bool rz_serialize_config_load(RZ_NONNULL Sdb *db, RZ_NONNULL RzConfig *config,
    RZ_NULLABLE const char *const *exclude, RZ_NULLABLE RzSerializeResultInfo *res) {
    LoadConfigCtx ctx = { config, NULL };
    if (exclude) {
        ctx.exclude = ht_pp_new(NULL, NULL, NULL);
        if (!ctx.exclude) {
            return false;
        }
        for (; *exclude; exclude++) {
            ht_pp_insert(ctx.exclude, *exclude, NULL);
        }
    }
    sdb_foreach(db, load_config_cb, &ctx);
    ht_pp_free(ctx.exclude);
    return true;
}