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-rw-r--r--combine-diff.c127
1 files changed, 89 insertions, 38 deletions
diff --git a/combine-diff.c b/combine-diff.c
index bb1cc96c4e..6288485965 100644
--- a/combine-diff.c
+++ b/combine-diff.c
@@ -5,6 +5,7 @@
#include "diffcore.h"
#include "quote.h"
#include "xdiff-interface.h"
+#include "xdiff/xmacros.h"
#include "log-tree.h"
#include "refs.h"
#include "userdiff.h"
@@ -122,7 +123,47 @@ static char *grab_blob(const unsigned char *sha1, unsigned int mode,
return blob;
}
-static void append_lost(struct sline *sline, int n, const char *line, int len)
+static int match_string_spaces(const char *line1, int len1,
+ const char *line2, int len2,
+ long flags)
+{
+ if (flags & XDF_WHITESPACE_FLAGS) {
+ for (; len1 > 0 && XDL_ISSPACE(line1[len1 - 1]); len1--);
+ for (; len2 > 0 && XDL_ISSPACE(line2[len2 - 1]); len2--);
+ }
+
+ if (!(flags & (XDF_IGNORE_WHITESPACE | XDF_IGNORE_WHITESPACE_CHANGE)))
+ return (len1 == len2 && !memcmp(line1, line2, len1));
+
+ while (len1 > 0 && len2 > 0) {
+ len1--;
+ len2--;
+ if (XDL_ISSPACE(line1[len1]) || XDL_ISSPACE(line2[len2])) {
+ if ((flags & XDF_IGNORE_WHITESPACE_CHANGE) &&
+ (!XDL_ISSPACE(line1[len1]) || !XDL_ISSPACE(line2[len2])))
+ return 0;
+
+ for (; len1 > 0 && XDL_ISSPACE(line1[len1]); len1--);
+ for (; len2 > 0 && XDL_ISSPACE(line2[len2]); len2--);
+ }
+ if (line1[len1] != line2[len2])
+ return 0;
+ }
+
+ if (flags & XDF_IGNORE_WHITESPACE) {
+ /* Consume remaining spaces */
+ for (; len1 > 0 && XDL_ISSPACE(line1[len1 - 1]); len1--);
+ for (; len2 > 0 && XDL_ISSPACE(line2[len2 - 1]); len2--);
+ }
+
+ /* We matched full line1 and line2 */
+ if (!len1 && !len2)
+ return 1;
+
+ return 0;
+}
+
+static void append_lost(struct sline *sline, int n, const char *line, int len, long flags)
{
struct lline *lline;
unsigned long this_mask = (1UL<<n);
@@ -133,8 +174,8 @@ static void append_lost(struct sline *sline, int n, const char *line, int len)
if (sline->lost_head) {
lline = sline->next_lost;
while (lline) {
- if (lline->len == len &&
- !memcmp(lline->line, line, len)) {
+ if (match_string_spaces(lline->line, lline->len,
+ line, len, flags)) {
lline->parent_map |= this_mask;
sline->next_lost = lline->next;
return;
@@ -162,6 +203,7 @@ struct combine_diff_state {
int n;
struct sline *sline;
struct sline *lost_bucket;
+ long flags;
};
static void consume_line(void *state_, char *line, unsigned long len)
@@ -201,7 +243,7 @@ static void consume_line(void *state_, char *line, unsigned long len)
return; /* not in any hunk yet */
switch (line[0]) {
case '-':
- append_lost(state->lost_bucket, state->n, line+1, len-1);
+ append_lost(state->lost_bucket, state->n, line+1, len-1, state->flags);
break;
case '+':
state->sline[state->lno-1].flag |= state->nmask;
@@ -215,7 +257,7 @@ static void combine_diff(const unsigned char *parent, unsigned int mode,
struct sline *sline, unsigned int cnt, int n,
int num_parent, int result_deleted,
struct userdiff_driver *textconv,
- const char *path)
+ const char *path, long flags)
{
unsigned int p_lno, lno;
unsigned long nmask = (1UL << n);
@@ -231,9 +273,10 @@ static void combine_diff(const unsigned char *parent, unsigned int mode,
parent_file.ptr = grab_blob(parent, mode, &sz, textconv, path);
parent_file.size = sz;
memset(&xpp, 0, sizeof(xpp));
- xpp.flags = 0;
+ xpp.flags = flags;
memset(&xecfg, 0, sizeof(xecfg));
memset(&state, 0, sizeof(state));
+ state.flags = flags;
state.nmask = nmask;
state.sline = sline;
state.lno = 1;
@@ -526,7 +569,8 @@ static void show_line_to_eol(const char *line, int len, const char *reset)
saw_cr_at_eol ? "\r" : "");
}
-static void dump_sline(struct sline *sline, unsigned long cnt, int num_parent,
+static void dump_sline(struct sline *sline, const char *line_prefix,
+ unsigned long cnt, int num_parent,
int use_color, int result_deleted)
{
unsigned long mark = (1UL<<num_parent);
@@ -582,7 +626,7 @@ static void dump_sline(struct sline *sline, unsigned long cnt, int num_parent,
rlines -= null_context;
}
- fputs(c_frag, stdout);
+ printf("%s%s", line_prefix, c_frag);
for (i = 0; i <= num_parent; i++) putchar(combine_marker);
for (i = 0; i < num_parent; i++)
show_parent_lno(sline, lno, hunk_end, i, null_context);
@@ -614,7 +658,7 @@ static void dump_sline(struct sline *sline, unsigned long cnt, int num_parent,
struct sline *sl = &sline[lno++];
ll = (sl->flag & no_pre_delete) ? NULL : sl->lost_head;
while (ll) {
- fputs(c_old, stdout);
+ printf("%s%s", line_prefix, c_old);
for (j = 0; j < num_parent; j++) {
if (ll->parent_map & (1UL<<j))
putchar('-');
@@ -627,6 +671,7 @@ static void dump_sline(struct sline *sline, unsigned long cnt, int num_parent,
if (cnt < lno)
break;
p_mask = 1;
+ fputs(line_prefix, stdout);
if (!(sl->flag & (mark-1))) {
/*
* This sline was here to hang the
@@ -680,11 +725,13 @@ static void reuse_combine_diff(struct sline *sline, unsigned long cnt,
static void dump_quoted_path(const char *head,
const char *prefix,
const char *path,
+ const char *line_prefix,
const char *c_meta, const char *c_reset)
{
static struct strbuf buf = STRBUF_INIT;
strbuf_reset(&buf);
+ strbuf_addstr(&buf, line_prefix);
strbuf_addstr(&buf, c_meta);
strbuf_addstr(&buf, head);
quote_two_c_style(&buf, prefix, path, 0);
@@ -696,6 +743,7 @@ static void show_combined_header(struct combine_diff_path *elem,
int num_parent,
int dense,
struct rev_info *rev,
+ const char *line_prefix,
int mode_differs,
int show_file_header)
{
@@ -714,8 +762,8 @@ static void show_combined_header(struct combine_diff_path *elem,
show_log(rev);
dump_quoted_path(dense ? "diff --cc " : "diff --combined ",
- "", elem->path, c_meta, c_reset);
- printf("%sindex ", c_meta);
+ "", elem->path, line_prefix, c_meta, c_reset);
+ printf("%s%sindex ", line_prefix, c_meta);
for (i = 0; i < num_parent; i++) {
abb = find_unique_abbrev(elem->parent[i].sha1,
abbrev);
@@ -734,11 +782,12 @@ static void show_combined_header(struct combine_diff_path *elem,
DIFF_STATUS_ADDED)
added = 0;
if (added)
- printf("%snew file mode %06o",
- c_meta, elem->mode);
+ printf("%s%snew file mode %06o",
+ line_prefix, c_meta, elem->mode);
else {
if (deleted)
- printf("%sdeleted file ", c_meta);
+ printf("%s%sdeleted file ",
+ line_prefix, c_meta);
printf("mode ");
for (i = 0; i < num_parent; i++) {
printf("%s%06o", i ? "," : "",
@@ -755,16 +804,16 @@ static void show_combined_header(struct combine_diff_path *elem,
if (added)
dump_quoted_path("--- ", "", "/dev/null",
- c_meta, c_reset);
+ line_prefix, c_meta, c_reset);
else
dump_quoted_path("--- ", a_prefix, elem->path,
- c_meta, c_reset);
+ line_prefix, c_meta, c_reset);
if (deleted)
dump_quoted_path("+++ ", "", "/dev/null",
- c_meta, c_reset);
+ line_prefix, c_meta, c_reset);
else
dump_quoted_path("+++ ", b_prefix, elem->path,
- c_meta, c_reset);
+ line_prefix, c_meta, c_reset);
}
static void show_patch_diff(struct combine_diff_path *elem, int num_parent,
@@ -782,6 +831,7 @@ static void show_patch_diff(struct combine_diff_path *elem, int num_parent,
struct userdiff_driver *userdiff;
struct userdiff_driver *textconv = NULL;
int is_binary;
+ const char *line_prefix = diff_line_prefix(opt);
context = opt->context;
userdiff = userdiff_find_by_path(elem->path);
@@ -901,7 +951,7 @@ static void show_patch_diff(struct combine_diff_path *elem, int num_parent,
}
if (is_binary) {
show_combined_header(elem, num_parent, dense, rev,
- mode_differs, 0);
+ line_prefix, mode_differs, 0);
printf("Binary files differ\n");
free(result);
return;
@@ -955,15 +1005,15 @@ static void show_patch_diff(struct combine_diff_path *elem, int num_parent,
elem->parent[i].mode,
&result_file, sline,
cnt, i, num_parent, result_deleted,
- textconv, elem->path);
+ textconv, elem->path, opt->xdl_opts);
}
show_hunks = make_hunks(sline, cnt, num_parent, dense);
if (show_hunks || mode_differs || working_tree_file) {
show_combined_header(elem, num_parent, dense, rev,
- mode_differs, 1);
- dump_sline(sline, cnt, num_parent,
+ line_prefix, mode_differs, 1);
+ dump_sline(sline, line_prefix, cnt, num_parent,
opt->use_color, result_deleted);
}
free(result);
@@ -982,14 +1032,11 @@ static void show_patch_diff(struct combine_diff_path *elem, int num_parent,
free(sline);
}
-#define COLONS "::::::::::::::::::::::::::::::::"
-
static void show_raw_diff(struct combine_diff_path *p, int num_parent, struct rev_info *rev)
{
struct diff_options *opt = &rev->diffopt;
- int i, offset;
- const char *prefix;
- int line_termination, inter_name_termination;
+ int line_termination, inter_name_termination, i;
+ const char *line_prefix = diff_line_prefix(opt);
line_termination = opt->line_termination;
inter_name_termination = '\t';
@@ -999,18 +1046,18 @@ static void show_raw_diff(struct combine_diff_path *p, int num_parent, struct re
if (rev->loginfo && !rev->no_commit_id)
show_log(rev);
+
if (opt->output_format & DIFF_FORMAT_RAW) {
- offset = strlen(COLONS) - num_parent;
- if (offset < 0)
- offset = 0;
- prefix = COLONS + offset;
+ printf("%s", line_prefix);
+
+ /* As many colons as there are parents */
+ for (i = 0; i < num_parent; i++)
+ putchar(':');
/* Show the modes */
- for (i = 0; i < num_parent; i++) {
- printf("%s%06o", prefix, p->parent[i].mode);
- prefix = " ";
- }
- printf("%s%06o", prefix, p->mode);
+ for (i = 0; i < num_parent; i++)
+ printf("%06o ", p->parent[i].mode);
+ printf("%06o", p->mode);
/* Show sha1's */
for (i = 0; i < num_parent; i++)
@@ -1040,6 +1087,7 @@ void show_combined_diff(struct combine_diff_path *p,
struct rev_info *rev)
{
struct diff_options *opt = &rev->diffopt;
+
if (!p->len)
return;
if (opt->output_format & (DIFF_FORMAT_RAW |
@@ -1150,8 +1198,10 @@ void diff_tree_combined(const unsigned char *sha1,
if (show_log_first && i == 0) {
show_log(rev);
+
if (rev->verbose_header && opt->output_format)
- putchar(opt->line_termination);
+ printf("%s%c", diff_line_prefix(opt),
+ opt->line_termination);
}
diff_flush(&diffopts);
}
@@ -1179,7 +1229,8 @@ void diff_tree_combined(const unsigned char *sha1,
if (opt->output_format & DIFF_FORMAT_PATCH) {
if (needsep)
- putchar(opt->line_termination);
+ printf("%s%c", diff_line_prefix(opt),
+ opt->line_termination);
for (p = paths; p; p = p->next) {
if (p->len)
show_patch_diff(p, num_parent, dense,
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-15 13:35:25 +0000