diff options
| -rw-r--r-- | xdiff/xmerge.c | 121 |
1 files changed, 70 insertions, 51 deletions
diff --git a/xdiff/xmerge.c b/xdiff/xmerge.c index 82b3573e7a..6ffaa4f9e5 100644 --- a/xdiff/xmerge.c +++ b/xdiff/xmerge.c @@ -113,65 +113,84 @@ static int xdl_recs_copy(xdfenv_t *xe, int i, int count, int add_nl, char *dest) return size; } -static int xdl_fill_merge_buffer(xdfenv_t *xe1, const char *name1, - xdfenv_t *xe2, const char *name2, xdmerge_t *m, char *dest) +static int fill_conflict_hunk(xdfenv_t *xe1, const char *name1, + xdfenv_t *xe2, const char *name2, + int size, int i, + xdmerge_t *m, char *dest) { const int marker_size = 7; int marker1_size = (name1 ? strlen(name1) + 1 : 0); int marker2_size = (name2 ? strlen(name2) + 1 : 0); - int conflict_marker_size = 3 * (marker_size + 1) - + marker1_size + marker2_size; - int size, i1, j; - - for (size = i1 = 0; m; m = m->next) { - if (m->mode == 0) { - size += xdl_recs_copy(xe1, i1, m->i1 - i1, 0, - dest ? dest + size : NULL); - if (dest) { - for (j = 0; j < marker_size; j++) - dest[size++] = '<'; - if (marker1_size) { - dest[size] = ' '; - memcpy(dest + size + 1, name1, - marker1_size - 1); - size += marker1_size; - } - dest[size++] = '\n'; - } else - size += conflict_marker_size; - size += xdl_recs_copy(xe1, m->i1, m->chg1, 1, - dest ? dest + size : NULL); - if (dest) { - for (j = 0; j < marker_size; j++) - dest[size++] = '='; - dest[size++] = '\n'; - } - size += xdl_recs_copy(xe2, m->i2, m->chg2, 1, - dest ? dest + size : NULL); - if (dest) { - for (j = 0; j < marker_size; j++) - dest[size++] = '>'; - if (marker2_size) { - dest[size] = ' '; - memcpy(dest + size + 1, name2, - marker2_size - 1); - size += marker2_size; - } - dest[size++] = '\n'; - } - } else if (m->mode == 1) - size += xdl_recs_copy(xe1, i1, m->i1 + m->chg1 - i1, 0, - dest ? dest + size : NULL); + int j; + + /* Before conflicting part */ + size += xdl_recs_copy(xe1, i, m->i1 - i, 0, + dest ? dest + size : NULL); + + if (!dest) { + size += marker_size + 1 + marker1_size; + } else { + for (j = 0; j < marker_size; j++) + dest[size++] = '<'; + if (marker1_size) { + dest[size] = ' '; + memcpy(dest + size + 1, name1, marker1_size - 1); + size += marker1_size; + } + dest[size++] = '\n'; + } + + /* Postimage from side #1 */ + size += xdl_recs_copy(xe1, m->i1, m->chg1, 1, + dest ? dest + size : NULL); + if (!dest) { + size += marker_size + 1; + } else { + for (j = 0; j < marker_size; j++) + dest[size++] = '='; + dest[size++] = '\n'; + } + + /* Postimage from side #2 */ + size += xdl_recs_copy(xe2, m->i2, m->chg2, 1, + dest ? dest + size : NULL); + if (!dest) { + size += marker_size + 1 + marker2_size; + } else { + for (j = 0; j < marker_size; j++) + dest[size++] = '>'; + if (marker2_size) { + dest[size] = ' '; + memcpy(dest + size + 1, name2, marker2_size - 1); + size += marker2_size; + } + dest[size++] = '\n'; + } + return size; +} + +static int xdl_fill_merge_buffer(xdfenv_t *xe1, const char *name1, + xdfenv_t *xe2, const char *name2, xdmerge_t *m, char *dest) +{ + int size, i; + + for (size = i = 0; m; m = m->next) { + if (m->mode == 0) + size = fill_conflict_hunk(xe1, name1, xe2, name2, + size, i, m, dest); + else if (m->mode == 1) + size += xdl_recs_copy(xe1, i, m->i1 + m->chg1 - i, 0, + dest ? dest + size : NULL); else if (m->mode == 2) - size += xdl_recs_copy(xe2, m->i2 - m->i1 + i1, - m->i1 + m->chg2 - i1, 0, - dest ? dest + size : NULL); + size += xdl_recs_copy(xe2, m->i2 - m->i1 + i, + m->i1 + m->chg2 - i, 0, + dest ? dest + size : NULL); else continue; - i1 = m->i1 + m->chg1; + i = m->i1 + m->chg1; } - size += xdl_recs_copy(xe1, i1, xe1->xdf2.nrec - i1, 0, - dest ? dest + size : NULL); + size += xdl_recs_copy(xe1, i, xe1->xdf2.nrec - i, 0, + dest ? dest + size : NULL); return size; } |