text: /*
   * Copyright 2013-2016 Andrew Gregory <andrew.gregory.8@gmail.com>
   *
   * Permission is hereby granted, free of charge, to any person obtaining a copy
   * of this software and associated documentation files (the "Software"), to
   * deal in the Software without restriction, including without limitation the
   * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
   * sell copies of the Software, and to permit persons to whom the Software is
   * furnished to do so, subject to the following conditions:
   *
   * The above copyright notice and this permission notice shall be included in
   * all copies or substantial portions of the Software.
   *
   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
   * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
   * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
   * IN THE SOFTWARE.
   */
  
  #ifndef PACUTILS_LOG_H
  #define PACUTILS_LOG_H
  
  #include <stdio.h>
  #include <time.h>
  
  #include <alpm_list.h>
  
  typedef enum {
    PU_LOG_OPERATION_INSTALL,
    PU_LOG_OPERATION_REINSTALL,
    PU_LOG_OPERATION_UPGRADE,
    PU_LOG_OPERATION_DOWNGRADE,
    PU_LOG_OPERATION_REMOVE,
  } pu_log_operation_t;
  
  typedef struct {
    pu_log_operation_t operation;
    char *target;
    char *old_version;
    char *new_version;
  } pu_log_action_t;
  
  typedef struct {
    struct tm tm;
    int gmtoff;
    unsigned int has_seconds: 1;
    unsigned int has_gmtoff: 1;
  } pu_log_timestamp_t;
  
  typedef struct {
    pu_log_timestamp_t timestamp;
    char *caller;
    char *message;
  } pu_log_entry_t;
  
  typedef enum {
    PU_LOG_TRANSACTION_STARTED = 1,
    PU_LOG_TRANSACTION_COMPLETED,
    PU_LOG_TRANSACTION_INTERRUPTED,
    PU_LOG_TRANSACTION_FAILED,
  } pu_log_transaction_status_t;
  
  typedef struct {
    pu_log_transaction_status_t status;
    alpm_list_t *start, *end;
  } pu_log_transaction_t;
  
  typedef struct {
    FILE *stream;
    int eof;
  
    char _buf[256];    /* read buffer */
    char *_next;       /* next line indicator */
    int _close_stream; /* close stream on free */
    pu_log_timestamp_t _next_ts;
  } pu_log_reader_t;
  
  pu_log_transaction_status_t pu_log_transaction_parse(const char *message);
  
  int pu_log_fprint_entry(FILE *stream, pu_log_entry_t *entry);
  pu_log_entry_t *pu_log_reader_next(pu_log_reader_t *reader);
  pu_log_reader_t *pu_log_reader_open_stream(FILE *stream);
  pu_log_reader_t *pu_log_reader_open_file(const char *path);
  void pu_log_reader_free(pu_log_reader_t *p);
  alpm_list_t *pu_log_parse_file(FILE *stream);
  void pu_log_entry_free(pu_log_entry_t *entry);
  
  pu_log_action_t *pu_log_action_parse(const char *message);
  void pu_log_action_free(pu_log_action_t *action);
  
  #endif
  
  /* vim: set ts=2 sw=2 noet: */
  