diff options
Diffstat (limited to 'xdiff')
-rw-r--r-- | xdiff/xdiff.h | 15 | ||||
-rw-r--r-- | xdiff/xmerge.c | 33 |
2 files changed, 37 insertions, 11 deletions
diff --git a/xdiff/xdiff.h b/xdiff/xdiff.h index 4da052a3ff..3f6229edbe 100644 --- a/xdiff/xdiff.h +++ b/xdiff/xdiff.h @@ -58,6 +58,12 @@ extern "C" { #define XDL_MERGE_ZEALOUS_ALNUM 3 #define XDL_MERGE_LEVEL_MASK 0x0f +/* merge favor modes */ +#define XDL_MERGE_FAVOR_OURS 1 +#define XDL_MERGE_FAVOR_THEIRS 2 +#define XDL_MERGE_FAVOR(flags) (((flags)>>4) & 3) +#define XDL_MERGE_FLAGS(level, style, favor) ((level)|(style)|((favor)<<4)) + /* merge output styles */ #define XDL_MERGE_DIFF3 0x8000 #define XDL_MERGE_STYLE_MASK 0x8000 @@ -108,9 +114,16 @@ long xdl_mmfile_size(mmfile_t *mmf); int xdl_diff(mmfile_t *mf1, mmfile_t *mf2, xpparam_t const *xpp, xdemitconf_t const *xecfg, xdemitcb_t *ecb); +typedef struct s_xmparam { + xpparam_t xpp; + int marker_size; +} xmparam_t; + +#define DEFAULT_CONFLICT_MARKER_SIZE 7 + int xdl_merge(mmfile_t *orig, mmfile_t *mf1, const char *name1, mmfile_t *mf2, const char *name2, - xpparam_t const *xpp, int level, mmbuffer_t *result); + xmparam_t const *xmp, int flags, mmbuffer_t *result); #ifdef __cplusplus } diff --git a/xdiff/xmerge.c b/xdiff/xmerge.c index 1cb65a9516..8cbe45e675 100644 --- a/xdiff/xmerge.c +++ b/xdiff/xmerge.c @@ -145,13 +145,15 @@ 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); @@ -214,14 +216,20 @@ 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); + size, i, style, m, dest, + marker_size); else if (m->mode == 1) size += xdl_recs_copy(xe1, i, m->i1 + m->chg1 - i, 0, dest ? dest + size : NULL); @@ -386,11 +394,13 @@ 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) { + int flags, 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 favor = XDL_MERGE_FAVOR(flags); if (style == XDL_MERGE_DIFF3) { /* @@ -522,26 +532,29 @@ 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, int flags, 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; @@ -574,7 +587,7 @@ int xdl_merge(mmfile_t *orig, mmfile_t *mf1, const char *name1, } else { status = xdl_do_merge(&xe1, xscr1, name1, &xe2, xscr2, name2, - flags, xpp, result); + flags, xmp, result); } xdl_free_script(xscr1); xdl_free_script(xscr2); |