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?? aligned.h(1.11 KB)
?? aria_backup.h(1.51 KB)
?? assume_aligned.h(2.29 KB)
?? atomic
?? authors.h(9.9 KB)
?? backup.h(1.66 KB)
?? bounded_queue.h(5.95 KB)
?? char_buffer.h(3.09 KB)
?? charset_collations.h(6.41 KB)
?? client_settings.h(1.87 KB)
?? compat56.h(2.23 KB)
?? config.h(14.21 KB)
?? contributors.h(4.76 KB)
?? create_options.h(4.09 KB)
?? create_tmp_table.h(2.74 KB)
?? cset_narrowing.h(3.88 KB)
?? custom_conf.h(1.06 KB)
?? data
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?? ddl_log.h(12.51 KB)
?? debug.h(1.26 KB)
?? debug_sync.h(2 KB)
?? deprecation.h(2.74 KB)
?? derived_handler.h(2.32 KB)
?? derror.h(980 B)
?? des_key_file.h(1.21 KB)
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?? ft_global.h(3.04 KB)
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?? grant.h(2.69 KB)
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?? gtid_index.h(19.54 KB)
?? ha_handler_stats.h(2.28 KB)
?? ha_partition.h(63.36 KB)
?? ha_sequence.h(6.1 KB)
?? handle_connections_win.h(884 B)
?? handler.h(206.19 KB)
?? hash.h(4.35 KB)
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?? heap.h(9.26 KB)
?? hostname.h(5.29 KB)
?? ilist.h(6.98 KB)
?? init.h(852 B)
?? innodb_priv.h(1.29 KB)
?? item.h(276.43 KB)
?? item_cmpfunc.h(132.01 KB)
?? item_create.h(11.24 KB)
?? item_func.h(134.64 KB)
?? item_geofunc.h(38.16 KB)
?? item_jsonfunc.h(27.86 KB)
?? item_row.h(5.1 KB)
?? item_strfunc.h(75.33 KB)
?? item_subselect.h(57.63 KB)
?? item_sum.h(70.69 KB)
?? item_timefunc.h(63.85 KB)
?? item_vers.h(4.26 KB)
?? item_windowfunc.h(33.56 KB)
?? item_xmlfunc.h(4.52 KB)
?? json_schema.h(25.1 KB)
?? json_schema_helper.h(1.13 KB)
?? json_table.h(9.44 KB)
?? key.h(2.08 KB)
?? keycaches.h(1.94 KB)
?? lex.h(29.54 KB)
?? lex_charset.h(25.92 KB)
?? lex_hash.h(141.94 KB)
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?? lf.h(6.31 KB)
?? lock.h(2.2 KB)
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?? log_event.h(172.56 KB)
?? log_event_data_type.h(1.85 KB)
?? log_slow.h(2.38 KB)
?? maria.h(5.73 KB)
?? mariadb.h(1.25 KB)
?? mdl.h(37.65 KB)
?? mem_root_array.h(6.94 KB)
?? message.h(1.17 KB)
?? multi_range_read.h(22.65 KB)
?? my_apc.h(4.64 KB)
?? my_atomic.h(7.11 KB)
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?? my_base.h(27.28 KB)
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?? my_check_opt.h(2.56 KB)
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?? my_counter.h(1.68 KB)
?? my_cpu.h(4.74 KB)
?? my_crypt.h(904 B)
?? my_decimal.h(14.15 KB)
?? my_default.h(1.84 KB)
?? my_handler_errors.h(4.77 KB)
?? my_json_writer.h(18.14 KB)
?? my_libwrap.h(1.16 KB)
?? my_md5.h(1.45 KB)
?? my_minidump.h(848 B)
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?? my_rnd.h(1014 B)
?? my_service_manager.h(2.07 KB)
?? my_stack_alloc.h(6.34 KB)
?? my_stacktrace.h(3.14 KB)
?? my_time.h(10.17 KB)
?? my_tracker.h(1.37 KB)
?? my_tree.h(3.9 KB)
?? my_uctype.h(67.9 KB)
?? my_user.h(1.1 KB)
?? my_virtual_mem.h(1.1 KB)
?? myisam.h(17.18 KB)
?? myisamchk.h(4.62 KB)
?? myisammrg.h(4.78 KB)
?? myisampack.h(14.58 KB)
?? mysqld.h(41.11 KB)
?? mysqld_default_groups.h(204 B)
?? mysqld_suffix.h(1.17 KB)
?? mysys_err.h(2.99 KB)
?? opt_histogram_json.h(4.71 KB)
?? opt_range.h(64.78 KB)
?? opt_rewrite_date_cmp.h(3.84 KB)
?? opt_subselect.h(14.78 KB)
?? opt_trace.h(8.29 KB)
?? opt_trace_context.h(3.21 KB)
?? optimizer_costs.h(5.89 KB)
?? optimizer_defaults.h(7.37 KB)
?? parse_file.h(4.28 KB)
?? partition_element.h(5.3 KB)
?? partition_info.h(19.4 KB)
?? password.h(1.14 KB)
?? pfs_file_provider.h(3.08 KB)
?? pfs_idle_provider.h(1.35 KB)
?? pfs_memory_provider.h(1.59 KB)
?? pfs_metadata_provider.h(1.85 KB)
?? pfs_socket_provider.h(2.21 KB)
?? pfs_stage_provider.h(1.52 KB)
?? pfs_statement_provider.h(4.25 KB)
?? pfs_table_provider.h(2.56 KB)
?? pfs_thread_provider.h(5.43 KB)
?? pfs_transaction_provider.h(2.78 KB)
?? privilege.h(28.44 KB)
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?? probes_mysql_dtrace.h(32.23 KB)
?? probes_mysql_nodtrace.h(5.94 KB)
?? procedure.h(6.63 KB)
?? protocol.h(12.27 KB)
?? providers
?? proxy_protocol.h(548 B)
?? queues.h(3.4 KB)
?? records.h(3.07 KB)
?? repl_failsafe.h(1.55 KB)
?? replication.h(15.2 KB)
?? rijndael.h(1.67 KB)
?? rowid_filter.h(16.03 KB)
?? rpl_constants.h(3.28 KB)
?? rpl_filter.h(4.66 KB)
?? rpl_gtid.h(29.95 KB)
?? rpl_injector.h(9.4 KB)
?? rpl_mi.h(16.29 KB)
?? rpl_parallel.h(17.8 KB)
?? rpl_record.h(1.49 KB)
?? rpl_reporting.h(3.63 KB)
?? rpl_rli.h(35.02 KB)
?? rpl_tblmap.h(3.1 KB)
?? rpl_utility.h(10.93 KB)
?? scheduler.h(3.12 KB)
?? scope.h(4.29 KB)
?? select_handler.h(3.34 KB)
?? semisync.h(2.23 KB)
?? semisync_master.h(25.16 KB)
?? semisync_master_ack_receiver.h(8.5 KB)
?? semisync_slave.h(3.65 KB)
?? service_versions.h(2.23 KB)
?? session_tracker.h(13.75 KB)
?? set_var.h(16.39 KB)
?? simple_tokenizer.h(1.97 KB)
?? slave.h(11.99 KB)
?? socketpair.h(842 B)
?? source_revision.h(67 B)
?? sp.h(23.11 KB)
?? sp_cache.h(1.99 KB)
?? sp_head.h(38.61 KB)
?? sp_instr.h(40.41 KB)
?? sp_pcontext.h(24.71 KB)
?? sp_rcontext.h(14.08 KB)
?? span.h(3.84 KB)
?? spatial.h(21.78 KB)
?? sql_acl.h(13.75 KB)
?? sql_admin.h(2.85 KB)
?? sql_alloc.h(1.69 KB)
?? sql_alter.h(15.08 KB)
?? sql_analyse.h(10.86 KB)
?? sql_analyze_stmt.h(12.4 KB)
?? sql_array.h(6.97 KB)
?? sql_audit.h(13.83 KB)
?? sql_base.h(25.87 KB)
?? sql_basic_types.h(9.3 KB)
?? sql_binlog.h(895 B)
?? sql_bitmap.h(7.88 KB)
?? sql_bootstrap.h(1.77 KB)
?? sql_cache.h(21.34 KB)
?? sql_callback.h(1.51 KB)
?? sql_class.h(270.56 KB)
?? sql_cmd.h(15.11 KB)
?? sql_connect.h(3.96 KB)
?? sql_const.h(10.07 KB)
?? sql_crypt.h(1.4 KB)
?? sql_cte.h(16.15 KB)
?? sql_cursor.h(4.14 KB)
?? sql_db.h(2.28 KB)
?? sql_debug.h(5.51 KB)
?? sql_delete.h(3.52 KB)
?? sql_derived.h(1.26 KB)
?? sql_digest.h(3.73 KB)
?? sql_digest_stream.h(1.53 KB)
?? sql_do.h(954 B)
?? sql_error.h(39.39 KB)
?? sql_explain.h(30.39 KB)
?? sql_expression_cache.h(4.26 KB)
?? sql_get_diagnostics.h(7.7 KB)
?? sql_handler.h(2.84 KB)
?? sql_help.h(995 B)
?? sql_hset.h(3.32 KB)
?? sql_i_s.h(8.29 KB)
?? sql_insert.h(5.05 KB)
?? sql_join_cache.h(47.52 KB)
?? sql_lex.h(174.22 KB)
?? sql_lifo_buffer.h(9.45 KB)
?? sql_limit.h(3.11 KB)
?? sql_list.h(21.87 KB)
?? sql_load.h(1.25 KB)
?? sql_locale.h(3.16 KB)
?? sql_manager.h(960 B)
?? sql_mode.h(6.58 KB)
?? sql_parse.h(8.31 KB)
?? sql_partition.h(12.38 KB)
?? sql_partition_admin.h(5.8 KB)
?? sql_plist.h(7.53 KB)
?? sql_plugin.h(7.4 KB)
?? sql_plugin_compat.h(2.18 KB)
?? sql_prepare.h(11.4 KB)
?? sql_priv.h(15.08 KB)
?? sql_profile.h(7.63 KB)
?? sql_reload.h(1.01 KB)
?? sql_rename.h(982 B)
?? sql_repl.h(2.99 KB)
?? sql_schema.h(3.23 KB)
?? sql_select.h(91 KB)
?? sql_sequence.h(5.06 KB)
?? sql_servers.h(1.74 KB)
?? sql_show.h(9.73 KB)
?? sql_signal.h(3.28 KB)
?? sql_sort.h(21.96 KB)
?? sql_statistics.h(16.41 KB)
?? sql_string.h(37.92 KB)
?? sql_table.h(9.52 KB)
?? sql_test.h(1.55 KB)
?? sql_time.h(7.24 KB)
?? sql_trigger.h(11.88 KB)
?? sql_truncate.h(2.03 KB)
?? sql_tvc.h(2.36 KB)
?? sql_type.h(291.25 KB)
?? sql_type_fixedbin.h(63.94 KB)
?? sql_type_fixedbin_storage.h(5.34 KB)
?? sql_type_geom.h(18.59 KB)
?? sql_type_int.h(9.77 KB)
?? sql_type_json.h(6.01 KB)
?? sql_type_real.h(1.23 KB)
?? sql_type_string.h(1.59 KB)
?? sql_type_timeofday.h(2.26 KB)
?? sql_udf.h(4.74 KB)
?? sql_union.h(1.04 KB)
?? sql_update.h(3.55 KB)
?? sql_used.h(1.02 KB)
?? sql_view.h(2.41 KB)
?? sql_window.h(6.65 KB)
?? ssl_compat.h(3.3 KB)
?? strfunc.h(2.22 KB)
?? structs.h(30.55 KB)
?? sys_vars_shared.h(2.67 KB)
?? t_ctype.h(5.51 KB)
?? table.h(118.11 KB)
?? table_cache.h(4.13 KB)
?? thr_lock.h(7.06 KB)
?? thr_malloc.h(1.17 KB)
?? thr_timer.h(1.53 KB)
?? thread_cache.h(5.77 KB)
?? threadpool.h(4.7 KB)
?? threadpool_generic.h(3.88 KB)
?? threadpool_winsockets.h(2.24 KB)
?? transaction.h(1.43 KB)
?? tzfile.h(4.9 KB)
?? tztime.h(3.65 KB)
?? uniques.h(4.13 KB)
?? unireg.h(7.76 KB)
?? vers_string.h(2.39 KB)
?? violite.h(9.85 KB)
?? waiting_threads.h(4.43 KB)
?? welcome_copyright_notice.h(1.42 KB)
?? winservice.h(5.88 KB)
?? wqueue.h(1.53 KB)
?? wsrep.h(3.23 KB)
?? wsrep_allowlist_service.h(1.01 KB)
?? wsrep_applier.h(2.64 KB)
?? wsrep_binlog.h(3.36 KB)
?? wsrep_client_service.h(2.5 KB)
?? wsrep_client_state.h(1.53 KB)
?? wsrep_condition_variable.h(1.45 KB)
?? wsrep_event_service.h(1.32 KB)
?? wsrep_high_priority_service.h(4.8 KB)
?? wsrep_mutex.h(1.21 KB)
?? wsrep_mysqld.h(20.93 KB)
?? wsrep_mysqld_c.h(1.2 KB)
?? wsrep_on.h(1.68 KB)
?? wsrep_plugin.h(1.35 KB)
?? wsrep_priv.h(1.6 KB)
?? wsrep_schema.h(5.48 KB)
?? wsrep_server_service.h(3.55 KB)
?? wsrep_server_state.h(3.06 KB)
?? wsrep_sst.h(3.86 KB)
?? wsrep_status.h(1.93 KB)
?? wsrep_storage_service.h(1.77 KB)
?? wsrep_thd.h(10.9 KB)
?? wsrep_trans_observer.h(17.75 KB)
?? wsrep_types.h(1.08 KB)
?? wsrep_utils.h(9.58 KB)
?? wsrep_var.h(4.25 KB)
?? wsrep_xid.h(1.51 KB)
?? xa.h(1.86 KB)

Editing: json_schema.h

#ifndef JSON_SCHEMA_INCLUDED
#define JSON_SCHEMA_INCLUDED

This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; version 2 of the License.

This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.

You should have received a copy of the GNU General Public License
   along with this program; if not, write to the Free Software
   Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301  USA */

/* This file defines all json schema classes. */

#include "sql_class.h"
#include "sql_type_json.h"
#include "json_schema_helper.h"

struct st_json_schema_keyword_map;

class Json_schema_keyword : public Sql_alloc
{
  public:
    Json_schema_keyword *alternate_schema;
    st_json_schema_keyword_map *keyword_map;
    double value;
    uint priority;
    bool allowed;

Json_schema_keyword() : alternate_schema(NULL), keyword_map(NULL),
                            value(0), priority(0), allowed(true)
    {
    }
    virtual ~Json_schema_keyword() = default;

/*
     Called for each keyword on the current level.
    */
    virtual bool validate(const json_engine_t *je, const uchar *k_start= NULL,
                          const uchar *k_end= NULL)
    { return false; }
    virtual bool handle_keyword(THD *thd, json_engine_t *je,
                                const char* key_start,
                                const char* key_end,
                                List<Json_schema_keyword> *all_keywords)
    {
      return false;
    }
    virtual List<Json_schema_keyword>* get_validation_keywords()
    {
      return NULL;
    }
    void set_alternate_schema(Json_schema_keyword *schema)
    {
      alternate_schema= schema;
    }
    virtual bool fall_back_on_alternate_schema(const json_engine_t *je,
                                               const uchar* k_start= NULL,
                                               const uchar* k_end= NULL);
    virtual bool validate_as_alternate(const json_engine_t *je,
                                               const uchar* k_start= NULL,
                                               const uchar* k_end= NULL)
    {
      return false;
    }
    virtual bool validate_schema_items(const json_engine_t *je,
                                       List<Json_schema_keyword>*schema_items);
    virtual void set_alternate_schema_choice(Json_schema_keyword *schema1,
                                             Json_schema_keyword *schema2)
    {
      return;
    }
    virtual void set_dependents(Json_schema_keyword *schema1,
                                Json_schema_keyword *schema2)
    {
      return;
    }
};

/*
  Additional and unvaluated keywords and items handle
  keywords and validate schema in same way, so it makes sense
  to have a base class for them.
*/
class Json_schema_additional_and_unevaluated : public Json_schema_keyword
{
  public:
    List<Json_schema_keyword> schema_list;
    Json_schema_additional_and_unevaluated()
    {
      allowed= true;
    }
    void set_allowed(bool allowed_val)
    {
      allowed= allowed_val;
    }
    bool handle_keyword(THD *thd, json_engine_t *je,
                        const char* key_start,
                        const char* key_end,
                        List<Json_schema_keyword> *all_keywords) override;
    bool validate(const json_engine_t *je,
                  const uchar *k_start= NULL,
                  const uchar *k_end= NULL) override
    {
      return false;
    }
    bool validate_as_alternate(const json_engine_t *je, const uchar *k_start,
                               const uchar *k_end) override;
};

class Json_schema_annotation : public Json_schema_keyword
{
  public:
    bool handle_keyword(THD *thd, json_engine_t *je,
                        const char* key_start,
                        const char* key_end,
                        List<Json_schema_keyword> *all_keywords) override;
};

class Json_schema_format : public Json_schema_keyword
{
  public:
    bool handle_keyword(THD *thd, json_engine_t *je,
                        const char* key_start,
                        const char* key_end,
                        List<Json_schema_keyword> *all_keywords) override;
};

typedef List<Json_schema_keyword> List_schema_keyword;

class Json_schema_type : public Json_schema_keyword
{
  private:
    uint type;

class Json_schema_const : public Json_schema_keyword
{
  private:
    char *const_json_value;

public:
    enum json_value_types type;
    bool validate(const json_engine_t *je,
                  const uchar *k_start= NULL,
                  const uchar *k_end= NULL) override;
    bool handle_keyword(THD *thd, json_engine_t *je,
                        const char* key_start,
                        const char* key_end,
                        List<Json_schema_keyword> *all_keywords) override;
    Json_schema_const()
    {
      const_json_value= NULL;
    }
};

class Json_schema_enum : public  Json_schema_keyword
{
  private:
    HASH enum_values;
    uint enum_scalar;

class Json_schema_maximum : public Json_schema_keyword
{
  public:
    bool validate(const json_engine_t *je,
                  const uchar *k_start= NULL,
                  const uchar *k_end= NULL) override;
    bool handle_keyword(THD *thd, json_engine_t *je,
                        const char* key_start,
                        const char* key_end,
                        List<Json_schema_keyword> *all_keywords) override;
};

class Json_schema_minimum : public Json_schema_keyword
{
  public:
    bool validate(const json_engine_t *je,
                  const uchar *k_start= NULL,
                  const uchar *k_end= NULL) override;
    bool handle_keyword(THD *thd, json_engine_t *je,
                        const char* key_start,
                        const char* key_end,
                        List<Json_schema_keyword> *all_keywords) override;
};

class Json_schema_multiple_of : public Json_schema_keyword
{
  private:
    longlong multiple_of;

class Json_schema_ex_maximum : public Json_schema_keyword
{
  public:
    bool validate(const json_engine_t *je, const uchar *k_start= NULL,
                  const uchar *k_end= NULL) override;
    bool handle_keyword(THD *thd, json_engine_t *je,
                        const char* key_start,
                        const char* key_end,
                        List<Json_schema_keyword> *all_keywords) override;
};

class Json_schema_ex_minimum : public Json_schema_keyword
{
  public:
    bool validate(const json_engine_t *je, const uchar *k_start= NULL,
                  const uchar *k_end= NULL) override;
    bool handle_keyword(THD *thd, json_engine_t *je,
                        const char* key_start,
                        const char* key_end,
                        List<Json_schema_keyword> *all_keywords) override;
};

class Json_schema_max_len : public Json_schema_keyword
{
  public:
    bool validate(const json_engine_t *je, const uchar *k_start= NULL,
                  const uchar *k_end= NULL) override;
    bool handle_keyword(THD *thd, json_engine_t *je,
                        const char* key_start,
                        const char* key_end,
                        List<Json_schema_keyword> *all_keywords) override;
};

class Json_schema_min_len : public Json_schema_keyword
{
  public:
    bool validate(const json_engine_t *je, const uchar *k_start= NULL,
                  const uchar *k_end= NULL) override;
    bool handle_keyword(THD *thd, json_engine_t *je,
                        const char* key_start,
                        const char* key_end,
                        List<Json_schema_keyword> *all_keywords) override;
};

class Json_schema_pattern : public Json_schema_keyword
{
  private:
    Regexp_processor_pcre re;
    Item *pattern;
    Item_string *str;

class Json_schema_max_items : public Json_schema_keyword
{
  public:
    bool validate(const json_engine_t *je, const uchar *k_start= NULL,
                  const uchar *k_end= NULL) override;
    bool handle_keyword(THD *thd, json_engine_t *je,
                        const char* key_start,
                        const char* key_end,
                        List<Json_schema_keyword> *all_keywords) override;
};

class Json_schema_min_items : public Json_schema_keyword
{
  public:
    bool validate(const json_engine_t *je, const uchar *k_start= NULL,
                  const uchar *k_end= NULL) override;
    bool handle_keyword(THD *thd, json_engine_t *je,
                        const char* key_start,
                        const char* key_end,
                        List<Json_schema_keyword> *all_keywords) override;
};

class Json_schema_max_contains : public Json_schema_keyword
{
  public:
    bool handle_keyword(THD *thd, json_engine_t *je,
                        const char* key_start,
                        const char* key_end,
                        List<Json_schema_keyword> *all_keywords) override;
};

class Json_schema_min_contains : public Json_schema_keyword
{
  public:
    bool handle_keyword(THD *thd, json_engine_t *je,
                        const char* key_start,
                        const char* key_end,
                        List<Json_schema_keyword> *all_keywords) override;
};
/*
  The value of max_contains and min_contains is only
  relevant when contains keyword is present.
  Hence the pointers to access them directly.
*/
class Json_schema_contains : public Json_schema_keyword
{
  public:
    List <Json_schema_keyword> contains;
    Json_schema_keyword *max_contains;
    Json_schema_keyword *min_contains;

bool validate(const json_engine_t *je, const uchar *k_start= NULL,
                  const uchar *k_end= NULL) override;
    bool handle_keyword(THD *thd, json_engine_t *je,
                        const char* key_start,
                        const char* key_end,
                        List<Json_schema_keyword> *all_keywords) override;
    void set_dependents(Json_schema_keyword *min, Json_schema_keyword *max) override
    {
      min_contains= min;
      max_contains= max;
    }
};

class Json_schema_unique_items : public Json_schema_keyword
{
  private:
    bool is_unique;

class Json_schema_prefix_items : public Json_schema_keyword
{
  public:
    List <List_schema_keyword> prefix_items;
    bool validate(const json_engine_t *je, const uchar *k_start= NULL,
                  const uchar *k_end= NULL) override;
    bool handle_keyword(THD *thd, json_engine_t *je,
                        const char* key_start,
                        const char* key_end,
                        List<Json_schema_keyword> *all_keywords) override;
    Json_schema_prefix_items()
    {
      priority= 1;
    }
};

class Json_schema_unevaluated_items :
      public Json_schema_additional_and_unevaluated
{
  public:
    Json_schema_unevaluated_items()
    {
      priority= 4;
    }
    bool validate(const json_engine_t *je, const uchar *k_start= NULL,
                  const uchar *k_end= NULL) override;
};

class Json_schema_additional_items :
      public Json_schema_additional_and_unevaluated
{
  public:
    Json_schema_additional_items()
    {
      priority= 3;
    }
    bool validate(const json_engine_t *je, const uchar *k_start= NULL,
                  const uchar *k_end= NULL) override;
};

class Json_schema_items : public Json_schema_keyword
{
  private:
    List<Json_schema_keyword> items_schema;
  public:
    Json_schema_items()
    {
      priority= 2;
    }
    void set_allowed(bool allowed_val) { allowed= allowed_val; }
    bool validate(const json_engine_t *je, const uchar *k_start= NULL,
                  const uchar *k_end= NULL) override;
    bool handle_keyword(THD *thd, json_engine_t *je,
                        const char* key_start,
                        const char* key_end,
                        List<Json_schema_keyword> *all_keywords) override;
    bool validate_as_alternate(const json_engine_t *je, const uchar *k_start,
                           const uchar *k_end) override;
};

class Json_schema_property_names : public Json_schema_keyword
{
  protected:
    List <Json_schema_keyword> property_names;

typedef struct property
{
  List<Json_schema_keyword> *curr_schema;
  char *key_name;
} st_property;

class Json_schema_properties : public Json_schema_keyword
{
  private:
    HASH properties;
    bool is_hash_inited;

public:
    Json_schema_properties()
    {
      priority= 1;
    }
    bool validate(const json_engine_t *je, const uchar *k_start= NULL,
                  const uchar *k_end= NULL) override;
    bool handle_keyword(THD *thd, json_engine_t *je,
                        const char* key_start,
                        const char* key_end,
                        List<Json_schema_keyword> *all_keywords) override;
    ~Json_schema_properties()
    {
      if (is_hash_inited)
        my_hash_free(&properties);
    }
    bool validate_as_alternate(const json_engine_t *je, const uchar *k_start,
                               const uchar *k_end) override;
  };

class Json_schema_dependent_schemas : public Json_schema_keyword
{
  private:
    HASH properties;
    bool is_hash_inited;

public:
    ~Json_schema_dependent_schemas()
    {
      if (is_hash_inited)
       my_hash_free(&properties);
    }
    bool validate(const json_engine_t *je, const uchar *k_start= NULL,
                  const uchar *k_end= NULL) override;
    bool handle_keyword(THD *thd, json_engine_t *je,
                        const char* key_start,
                        const char* key_end,
                        List<Json_schema_keyword> *all_keywords) override;
};

class Json_schema_additional_properties :
      public Json_schema_additional_and_unevaluated
{
  public:
    Json_schema_additional_properties()
    {
      priority= 3;
    }
    bool validate(const json_engine_t *je, const uchar *k_start= NULL,
                  const uchar *k_end= NULL) override;
};

class Json_schema_unevaluated_properties :
      public Json_schema_additional_and_unevaluated
{
  public:
    Json_schema_unevaluated_properties()
    {
      priority= 4;
    }
    bool validate(const json_engine_t *je, const uchar *k_start= NULL,
                  const uchar *k_end= NULL) override;
};

typedef struct pattern_to_property : public Sql_alloc
{
  Regexp_processor_pcre re;
  Item *pattern;
  List<Json_schema_keyword> *curr_schema;
}st_pattern_to_property;

class Json_schema_pattern_properties : public Json_schema_keyword
{
  private:
    Item_string *str;
    List<st_pattern_to_property> pattern_properties;

public:
    bool validate(const json_engine_t *je, const uchar *k_start= NULL,
                  const uchar *k_end= NULL) override;
    bool handle_keyword(THD *thd, json_engine_t *je,
                        const char* key_start,
                        const char* key_end,
                        List<Json_schema_keyword> *all_keywords) override;
    Json_schema_pattern_properties()
    {
      priority= 2;
    }
    ~Json_schema_pattern_properties()
    {
      str= NULL;
      if (!pattern_properties.is_empty())
      {
        st_pattern_to_property *curr_pattern_to_property= NULL;
        List_iterator<st_pattern_to_property> it(pattern_properties);
        while((curr_pattern_to_property= it++))
        {
          curr_pattern_to_property->re.cleanup();
          curr_pattern_to_property->pattern= NULL;
          delete curr_pattern_to_property;
          curr_pattern_to_property= nullptr;
        }
      }
    }
    bool validate_as_alternate(const json_engine_t *je, const uchar *k_start,
                               const uchar *k_end) override;
};

class Json_schema_max_prop : public Json_schema_keyword
{
  public:
    bool validate(const json_engine_t *je, const uchar *k_start= NULL,
                  const uchar *k_end= NULL) override;
    bool handle_keyword(THD *thd, json_engine_t *je,
                        const char* key_start,
                        const char* key_end,
                        List<Json_schema_keyword> *all_keywords) override;
};

class Json_schema_min_prop : public Json_schema_keyword
{
  public:
    bool validate(const json_engine_t *je, const uchar *k_start= NULL,
                  const uchar *k_end= NULL) override;
    bool handle_keyword(THD *thd, json_engine_t *je,
                        const char* key_start,
                        const char* key_end,
                        List<Json_schema_keyword> *all_keywords) override;
};

class Json_schema_required : public Json_schema_keyword
{
  private:
    List <String> required_properties;

typedef struct dependent_keyowrds
{
  String *property;
  List <String> dependents;
} st_dependent_keywords;

class Json_schema_dependent_required : public Json_schema_keyword
{
  private:
    List<st_dependent_keywords> dependent_required;

enum logic_enum { HAS_ALL_OF= 2, HAS_ANY_OF= 4, HAS_ONE_OF= 8, HAS_NOT= 16};
class Json_schema_logic : public Json_schema_keyword
{
  protected:
    uint logic_flag;
    List <List_schema_keyword> schema_items;
    Json_schema_keyword *alternate_choice1, *alternate_choice2;
  public:
    bool validate(const json_engine_t *je, const uchar *k_start= NULL,
                  const uchar *k_end= NULL) override;
    bool handle_keyword(THD *thd, json_engine_t *je,
                        const char* key_start,
                        const char* key_end,
                        List<Json_schema_keyword> *all_keywords) override;
    Json_schema_logic()
    {
      logic_flag= 0;
      alternate_choice1= alternate_choice2= NULL;
      priority= 1;
    }
    virtual bool validate_count(uint* count, uint* total) { return false; }
    void set_alternate_schema_choice(Json_schema_keyword *schema1,
                                     Json_schema_keyword* schema2) override
    {
      alternate_choice1= schema1;
      alternate_choice2= schema2;
    }
    bool check_validation(const json_engine_t *je, const uchar *k_start= NULL,
                          const uchar *k_end= NULL);
};

class Json_schema_not : public Json_schema_logic
{
  private:
  List <Json_schema_keyword> schema_list;
  public:
    Json_schema_not()
    {
      logic_flag= HAS_NOT;
    }
    bool handle_keyword(THD *thd, json_engine_t *je,
                        const char* key_start,
                        const char* key_end,
                        List<Json_schema_keyword> *all_keywords) override;
    bool validate_count(uint *count, uint *total) override
    {
      return *count !=0;
    }
};

class Json_schema_one_of : public Json_schema_logic
{
  public:
    Json_schema_one_of()
    {
      logic_flag= HAS_ONE_OF;
    }
    bool validate_count(uint *count, uint *total) override
    {
      return !(*count == 1);
    }
};

class Json_schema_any_of : public Json_schema_logic
{
  public:
    Json_schema_any_of()
    {
      logic_flag= HAS_ANY_OF;
    }
    bool validate_count(uint *count, uint *total) override
    {
      return *count == 0;
    }
};

class Json_schema_all_of : public Json_schema_logic
{
  public:
    Json_schema_all_of()
    {
      logic_flag= HAS_ALL_OF;
    }
    bool validate_count(uint *count, uint *total) override
    {
      return *count != *total;
    }
};

class Json_schema_conditional : public Json_schema_keyword
{
  private:
    Json_schema_keyword *if_cond, *else_cond, *then_cond;

public:
    List<Json_schema_keyword> conditions_schema;
    Json_schema_conditional()
    {
      if_cond= NULL;
      then_cond= NULL;
      else_cond= NULL;
    }
    bool validate(const json_engine_t *je, const uchar *k_start= NULL,
                  const uchar *k_end= NULL) override;
    bool handle_keyword(THD *thd, json_engine_t *je,
                        const char* key_start,
                        const char* key_end,
                        List<Json_schema_keyword> *all_keywords) override;
    void set_conditions(Json_schema_keyword *if_val,
                        Json_schema_keyword* then_val,
                        Json_schema_keyword *else_val)
    {
      if_cond= if_val;
      then_cond= then_val;
      else_cond= else_val;
    }
    List<Json_schema_keyword>* get_validation_keywords() override
    {
      return &conditions_schema;
    }

};

class Json_schema_if : public Json_schema_conditional
{
};

class Json_schema_else : public Json_schema_conditional
{
};

class Json_schema_then : public Json_schema_conditional
{
};

class Json_schema_media_string : public Json_schema_keyword
{
  public:
    bool handle_keyword(THD *thd, json_engine_t *je,
                        const char* key_start,
                        const char* key_end,
                        List<Json_schema_keyword> *all_keywords) override;
};

class Json_schema_reference : public Json_schema_keyword
{
  public:
    bool handle_keyword(THD *thd, json_engine_t *je,
                        const char* key_start,
                        const char* key_end,
                        List<Json_schema_keyword> *all_keywords) override;
};

bool create_object_and_handle_keyword(THD *thd, json_engine_t *je,
                                      List<Json_schema_keyword> *keyword_list,                           
                                      List<Json_schema_keyword> *all_keywords);
const uchar *get_key_name_for_property(const void *key_name, size_t *length,
                                       my_bool);
const uchar *get_key_name_for_func(const void *key_name, size_t *length,
                                   my_bool);

enum keyword_flag
{
  JSON_SCHEMA_COMMON_KEYWORD= 0,
  JSON_SCHEMA_NUMBER_KEYWORD= 1,
  JSON_SCHEMA_STRING_KEYWORD= 2,
  JSON_SCHEMA_ARRAY_KEYWORD= 3,
  JSON_SCHEMA_OBJECT_KEYWORD= 4,
  JSON_SCHEMA_LOGIC_KEYWORD= 5,
  JSON_SCHEMA_CONDITION_KEYWORD= 6,
  JSON_SCHEMA_ANNOTATION_KEYWORD= 7,
  JSON_SCHEMA_FORMAT_KEYWORD= 8,
  JSON_SCHEMA_MEDIA_KEYWORD= 9,
  JSON_SCHEMA_REFERENCE_KEYWORD= 10,
  JSON_SCHEMA_EMPTY_KEYWORD= 11
};

typedef struct st_json_schema_keyword_map
{
  LEX_CSTRING func_name;
  Json_schema_keyword*(*func)(THD*);
  enum keyword_flag flag;
} json_schema_keyword_map;

bool setup_json_schema_keyword_hash();
void cleanup_json_schema_keyword_hash();

#endif

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