diff options
Diffstat (limited to 'xdiff/xmerge.c')
-rw-r--r-- | xdiff/xmerge.c | 86 |
1 files changed, 52 insertions, 34 deletions
diff --git a/xdiff/xmerge.c b/xdiff/xmerge.c index d9737f04c..87cafa702 100644 --- a/xdiff/xmerge.c +++ b/xdiff/xmerge.c @@ -28,6 +28,7 @@ typedef struct s_xdmerge { * 0 = conflict, * 1 = no conflict, take first, * 2 = no conflict, take second. + * 3 = no conflict, take both. */ int mode; /* @@ -145,13 +146,15 @@ static int xdl_orig_copy(xdfenv_t *xe, int i, int count, int add_nl, char *dest) static int fill_conflict_hunk(xdfenv_t *xe1, const char *name1, xdfenv_t *xe2, const char *name2, int size, int i, int style, - xdmerge_t *m, char *dest) + xdmerge_t *m, char *dest, int marker_size) { - const int marker_size = 7; int marker1_size = (name1 ? strlen(name1) + 1 : 0); int marker2_size = (name2 ? strlen(name2) + 1 : 0); int j; + if (marker_size <= 0) + marker_size = DEFAULT_CONFLICT_MARKER_SIZE; + /* Before conflicting part */ size += xdl_recs_copy(xe1, i, m->i1 - i, 0, dest ? dest + size : NULL); @@ -214,22 +217,33 @@ static int fill_conflict_hunk(xdfenv_t *xe1, const char *name1, static int xdl_fill_merge_buffer(xdfenv_t *xe1, const char *name1, xdfenv_t *xe2, const char *name2, - xdmerge_t *m, char *dest, int style) + int favor, + xdmerge_t *m, char *dest, int style, + int marker_size) { int size, i; for (size = i = 0; m; m = m->next) { + if (favor && !m->mode) + m->mode = favor; + if (m->mode == 0) size = fill_conflict_hunk(xe1, name1, xe2, name2, - size, i, style, m, dest); - else if (m->mode == 1) - size += xdl_recs_copy(xe1, i, m->i1 + m->chg1 - i, 0, + size, i, style, m, dest, + marker_size); + else if (m->mode & 3) { + /* Before conflicting part */ + size += xdl_recs_copy(xe1, i, m->i1 - i, 0, dest ? dest + size : NULL); - else if (m->mode == 2) - size += xdl_recs_copy(xe2, m->i2 - m->i1 + i, - m->i1 + m->chg2 - i, 0, - dest ? dest + size : NULL); - else + /* Postimage from side #1 */ + if (m->mode & 1) + size += xdl_recs_copy(xe1, m->i1, m->chg1, 1, + dest ? dest + size : NULL); + /* Postimage from side #2 */ + if (m->mode & 2) + size += xdl_recs_copy(xe2, m->i2, m->chg2, 1, + dest ? dest + size : NULL); + } else continue; i = m->i1 + m->chg1; } @@ -386,11 +400,13 @@ static int xdl_simplify_non_conflicts(xdfenv_t *xe1, xdmerge_t *m, */ static int xdl_do_merge(xdfenv_t *xe1, xdchange_t *xscr1, const char *name1, xdfenv_t *xe2, xdchange_t *xscr2, const char *name2, - int flags, xpparam_t const *xpp, mmbuffer_t *result) { + xmparam_t const *xmp, mmbuffer_t *result) { xdmerge_t *changes, *c; + xpparam_t const *xpp = &xmp->xpp; int i0, i1, i2, chg0, chg1, chg2; - int level = flags & XDL_MERGE_LEVEL_MASK; - int style = flags & XDL_MERGE_STYLE_MASK; + int level = xmp->level; + int style = xmp->style; + int favor = xmp->favor; if (style == XDL_MERGE_DIFF3) { /* @@ -522,26 +538,29 @@ static int xdl_do_merge(xdfenv_t *xe1, xdchange_t *xscr1, const char *name1, } /* output */ if (result) { + int marker_size = xmp->marker_size; int size = xdl_fill_merge_buffer(xe1, name1, xe2, name2, - changes, NULL, style); + favor, changes, NULL, style, + marker_size); result->ptr = xdl_malloc(size); if (!result->ptr) { xdl_cleanup_merge(changes); return -1; } result->size = size; - xdl_fill_merge_buffer(xe1, name1, xe2, name2, changes, - result->ptr, style); + xdl_fill_merge_buffer(xe1, name1, xe2, name2, favor, changes, + result->ptr, style, marker_size); } return xdl_cleanup_merge(changes); } int xdl_merge(mmfile_t *orig, mmfile_t *mf1, const char *name1, mmfile_t *mf2, const char *name2, - xpparam_t const *xpp, int flags, mmbuffer_t *result) { + xmparam_t const *xmp, mmbuffer_t *result) { xdchange_t *xscr1, *xscr2; xdfenv_t xe1, xe2; int status; + xpparam_t const *xpp = &xmp->xpp; result->ptr = NULL; result->size = 0; @@ -563,23 +582,22 @@ int xdl_merge(mmfile_t *orig, mmfile_t *mf1, const char *name1, return -1; } status = 0; - if (xscr1 || xscr2) { - if (!xscr1) { - result->ptr = xdl_malloc(mf2->size); - memcpy(result->ptr, mf2->ptr, mf2->size); - result->size = mf2->size; - } else if (!xscr2) { - result->ptr = xdl_malloc(mf1->size); - memcpy(result->ptr, mf1->ptr, mf1->size); - result->size = mf1->size; - } else { - status = xdl_do_merge(&xe1, xscr1, name1, - &xe2, xscr2, name2, - flags, xpp, result); - } - xdl_free_script(xscr1); - xdl_free_script(xscr2); + if (!xscr1) { + result->ptr = xdl_malloc(mf2->size); + memcpy(result->ptr, mf2->ptr, mf2->size); + result->size = mf2->size; + } else if (!xscr2) { + result->ptr = xdl_malloc(mf1->size); + memcpy(result->ptr, mf1->ptr, mf1->size); + result->size = mf1->size; + } else { + status = xdl_do_merge(&xe1, xscr1, name1, + &xe2, xscr2, name2, + xmp, result); } + xdl_free_script(xscr1); + xdl_free_script(xscr2); + xdl_free_env(&xe1); xdl_free_env(&xe2); |