#include "var-map.h"

static void var_entry_cleanup(fx_namemap_entry *entry)
{
	struct var_map_entry *map_entry
		= fx_unbox(struct var_map_entry, entry, e_entry);
	bshell_variable_unref(map_entry->e_var);
	free(map_entry);
}

void var_map_cleanup(struct var_map *map)
{
	fx_namemap_cleanup(&map->m_vars, var_entry_cleanup);
}

enum bshell_status var_map_put(struct var_map *map, bshell_variable *var)
{
	const char *name = bshell_variable_get_name(var);
	struct var_map_entry *entry = malloc(sizeof *entry);
	if (!entry) {
		return BSHELL_ERR_NO_MEMORY;
	}

	memset(entry, 0x0, sizeof *entry);

	entry->e_var = var;

	fx_namemap_put(&map->m_vars, name, &entry->e_entry);
	return BSHELL_SUCCESS;
}

bshell_variable *var_map_get(struct var_map *map, const char *name)
{
	fx_namemap_entry *e = fx_namemap_get(&map->m_vars, name);
	if (!e) {
		return NULL;
	}

	struct var_map_entry *entry
		= fx_unbox(struct var_map_entry, e, e_entry);
	return entry->e_var;
}