src/blame.h

   1 #ifndef INCLUDE_blame_h__
   2 #define INCLUDE_blame_h__
   3
   4 #include "common.h"
   5
   6 #include "git2/blame.h"
   7 #include "vector.h"
   8 #include "diff.h"
   9 #include "array.h"
  10 #include "git2/oid.h"
  11
  12 /*
  13  * One blob in a commit that is being suspected
  14  */
  15 typedef struct git_blame__origin {
  16         int refcnt;
  17         struct git_blame__origin *previous;
  18         git_commit *commit;
  19         git_blob *blob;
  20         char path[GIT_FLEX_ARRAY];
  21 } git_blame__origin;
  22
  23 /*
  24  * Each group of lines is described by a git_blame__entry; it can be split
  25  * as we pass blame to the parents.  They form a linked list in the
  26  * scoreboard structure, sorted by the target line number.
  27  */
  28 typedef struct git_blame__entry {
  29         struct git_blame__entry *prev;
  30         struct git_blame__entry *next;
  31
  32         /* the first line of this group in the final image;
  33          * internally all line numbers are 0 based.
  34          */
  35         size_t lno;
  36
  37         /* how many lines this group has */
  38         size_t num_lines;
  39
  40         /* the commit that introduced this group into the final image */
  41         git_blame__origin *suspect;
  42
  43         /* true if the suspect is truly guilty; false while we have not
  44          * checked if the group came from one of its parents.
  45          */
  46         bool guilty;
  47
  48         /* true if the entry has been scanned for copies in the current parent
  49          */
  50         bool scanned;
  51
  52         /* the line number of the first line of this group in the
  53          * suspect's file; internally all line numbers are 0 based.
  54          */
  55         size_t s_lno;
  56
  57         /* how significant this entry is -- cached to avoid
  58          * scanning the lines over and over.
  59          */
  60         unsigned score;
  61
  62         /* Whether this entry has been tracked to a boundary commit.
  63          */
  64         bool is_boundary;
  65 } git_blame__entry;
  66
  67 struct git_blame {
  68         char *path;
  69         git_repository *repository;
  70         git_mailmap *mailmap;
  71         git_blame_options options;
  72
  73         git_vector hunks;
  74         git_vector paths;
  75
  76         git_blob *final_blob;
  77         git_array_t(size_t) line_index;
  78
  79         size_t current_diff_line;
  80         git_blame_hunk *current_hunk;
  81
  82         /* Scoreboard fields */
  83         git_commit *final;
  84         git_blame__entry *ent;
  85         int num_lines;
  86         const char *final_buf;
  87         size_t final_buf_size;
  88 };
  89
  90 git_blame *git_blame__alloc(
  91         git_repository *repo,
  92         git_blame_options opts,
  93         const char *path);
  94
  95 #endif