lib/got_lib_diff.h

   1 /*
   2  * Copyright (c) 2020 Stefan Sperling <stsp@openbsd.org>
   3  *
   4  * Permission to use, copy, modify, and distribute this software for any
   5  * purpose with or without fee is hereby granted, provided that the above
   6  * copyright notice and this permission notice appear in all copies.
   7  *
   8  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
   9  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  10  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
  11  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  12  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  13  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  14  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  15  */
  16
  17 #include "arraylist.h"
  18 #include "diff_main.h"
  19 #include "diff_output.h"
  20
  21 enum got_diff_output_format {
  22         GOT_DIFF_OUTPUT_UNIDIFF,
  23         GOT_DIFF_OUTPUT_EDSCRIPT,
  24 };
  25
  26 struct got_diffreg_result {
  27         struct diff_result *result;
  28         char *map1;
  29         size_t size1;
  30         char *map2;
  31         size_t size2;
  32         struct diff_data left;
  33         struct diff_data right;
  34 };
  35
  36 #define GOT_DIFF_CONFLICT_MARKER_BEGIN  "<<<<<<<"
  37 #define GOT_DIFF_CONFLICT_MARKER_ORIG   "|||||||"
  38 #define GOT_DIFF_CONFLICT_MARKER_SEP    "======="
  39 #define GOT_DIFF_CONFLICT_MARKER_END    ">>>>>>>"
  40
  41 const struct got_error *got_diff_get_config(struct diff_config **,
  42     enum got_diff_algorithm, diff_atomize_func_t, void *);
  43 const struct got_error *got_diff_prepare_file(FILE *, char **, size_t *,
  44     struct diff_data *, const struct diff_config *, int, int);
  45 const struct got_error *got_diffreg(struct got_diffreg_result **, FILE *,
  46     FILE *, enum got_diff_algorithm, int, int);
  47 const struct got_error *got_diffreg_output(off_t **, size_t *,
  48     struct got_diffreg_result *, int, int, const char *, const char *,
  49     enum got_diff_output_format, int, FILE *);
  50 const struct got_error *got_diffreg_result_free(struct got_diffreg_result *);
  51 const struct got_error *got_diffreg_result_free_left(
  52     struct got_diffreg_result *);
  53 const struct got_error *got_diffreg_result_free_right(
  54     struct got_diffreg_result *);
  55 const struct got_error *got_diffreg_close(char *, size_t, char *, size_t);
  56
  57 const struct got_error *got_merge_diff3(int *, int, FILE *, FILE *, FILE *,
  58     const char *, const char *, const char *, enum got_diff_algorithm);
  59
  60 const struct got_error *got_diff_files(struct got_diffreg_result **, FILE *,
  61     int, const char *, FILE *, int, const char *, int, int, int, FILE *,
  62     enum got_diff_algorithm);