kc3-lang/kc3/libkc3/facts.h

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• Hash : bb77d2b1
  Author : Thomas de Grivel
  Date : 2024-09-05T16:09:00
  

  Facts.first_with_tags()

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• libkc3/facts.h

• /* kc3
   * Copyright 2022,2023,2024 kmx.io <contact@kmx.io>
   *
   * Permission is hereby granted to use this software granted the above
   * copyright notice and this permission paragraph are included in all
   * copies and substantial portions of this software.
   *
   * THIS SOFTWARE IS PROVIDED "AS-IS" WITHOUT ANY GUARANTEE OF
   * PURPOSE AND PERFORMANCE. IN NO EVENT WHATSOEVER SHALL THE
   * AUTHOR BE CONSIDERED LIABLE FOR THE USE AND PERFORMANCE OF
   * THIS SOFTWARE.
   */
  #ifndef LIBKC3_FACTS_H
  #define LIBKC3_FACTS_H
  
  #include "types.h"
  
  #define FACTS_EXT ".facts"
  
  #define facts_count(f) ((f)->facts.count)
  
  /* Stack allocation compatible functions */
  void      facts_clean (s_facts *facts);
  s_facts * facts_init (s_facts *facts);
  
  /* Constructors */
  s_facts * facts_new (void);
  
  /* Destructor */
  void     facts_delete (s_facts *facts);
  
  /* Modifiers */
  const s_fact * facts_add_fact (s_facts *facts, const s_fact *fact);
  const s_fact * facts_add_tags (s_facts *facts, const s_tag *subject,
                                 const s_tag *predicate,
                                 const s_tag *object);
  void           facts_close (s_facts *facts);
  sw             facts_load (s_facts *facts, s_buf *buf,
                             const s_str *path);
  sw             facts_load_file (s_facts *facts, const s_str *path);
  s_facts *      facts_lock_clean (s_facts *facts);
  s_facts *      facts_lock_init (s_facts *facts);
  s_facts *      facts_lock_r (s_facts *facts);
  s_facts *      facts_lock_unlock_r (s_facts *facts);
  s_facts *      facts_lock_unlock_w (s_facts *facts);
  s_facts *      facts_lock_w (s_facts *facts);
  sw             facts_open_file (s_facts *facts, const s_str *path);
  const s_tag *  facts_ref_tag (s_facts *facts, const s_tag *tag);
  bool *         facts_remove_fact (s_facts *facts, const s_fact *fact,
                                    bool *dest);
  bool *         facts_remove_fact_tags (s_facts *facts,
                                         const s_tag *subject,
                                         const s_tag *predicate,
                                         const s_tag *object,
                                         bool *dest);
  s_facts *      facts_remove_all (s_facts *facts);
  const s_fact * facts_replace_fact (s_facts *facts, const s_fact *fact);
  const s_fact * facts_replace_tags (s_facts *facts, const s_tag *subject,
                                     const s_tag *predicate,
                                     const s_tag *object);
  sw             facts_save_file (s_facts *facts, const char *path);
  s_facts_transaction * facts_transaction_clean
                   (s_facts_transaction *transaction);
  s_facts *      facts_transaction_rollback
                   (s_facts *facts,
                    const s_facts_transaction *transaction);
  void           facts_transaction_start
                   (s_facts *facts, s_facts_transaction *transaction);
  bool           facts_unref_tag (s_facts *facts, const s_tag *tag);
  
  /* Observers */
  sw              facts_dump (s_facts *facts, s_buf *buf);
  sw              facts_dump_file (s_facts *facts, const char *path);
  const s_fact ** facts_find_fact (s_facts *facts, const s_fact *fact,
                                   const s_fact **dest);
  const s_fact ** facts_find_fact_by_tags (s_facts *facts,
                                           const s_tag *subject,
                                           const s_tag *predicate,
                                           const s_tag *object,
                                           const s_fact **dest);
  const s_tag **  facts_find_tag (s_facts *facts, const s_tag *tag,
                                  const s_tag **dest);
  sw              facts_log_add (s_log *log, const s_fact *fact);
  sw              facts_log_remove (s_log *log, const s_fact *fact);
  
  #endif /* LIBKC3_FACTS_H */
  

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