builtin-apply.c: move copy_wsfix() function a bit higher.

I'll be calling this from match_fragment() in later rounds.

Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Junio C Hamano 2008-01-30 15:11:23 -08:00
Родитель 42ab241cfa
Коммит ee810b7159
1 изменённых файлов: 94 добавлений и 94 удалений

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@ -1515,6 +1515,100 @@ static int read_old_data(struct stat *st, const char *path, struct strbuf *buf)
}
}
static int copy_wsfix(char *output, const char *patch, int plen,
unsigned ws_rule)
{
/*
* plen is number of bytes to be copied from patch, starting
* at patch. Typically patch[plen-1] is '\n', unless this is
* the incomplete last line.
*/
int i;
int add_nl_to_tail = 0;
int fixed = 0;
int last_tab_in_indent = -1;
int last_space_in_indent = -1;
int need_fix_leading_space = 0;
char *buf;
/*
* Strip trailing whitespace
*/
if ((ws_rule & WS_TRAILING_SPACE) &&
(2 < plen && isspace(patch[plen-2]))) {
if (patch[plen-1] == '\n')
add_nl_to_tail = 1;
plen--;
while (0 < plen && isspace(patch[plen-1]))
plen--;
fixed = 1;
}
/*
* Check leading whitespaces (indent)
*/
for (i = 0; i < plen; i++) {
char ch = patch[i];
if (ch == '\t') {
last_tab_in_indent = i;
if ((ws_rule & WS_SPACE_BEFORE_TAB) &&
0 <= last_space_in_indent)
need_fix_leading_space = 1;
} else if (ch == ' ') {
last_space_in_indent = i;
if ((ws_rule & WS_INDENT_WITH_NON_TAB) &&
8 <= i - last_tab_in_indent)
need_fix_leading_space = 1;
} else
break;
}
buf = output;
if (need_fix_leading_space) {
/* Process indent ourselves */
int consecutive_spaces = 0;
int last = last_tab_in_indent + 1;
if (ws_rule & WS_INDENT_WITH_NON_TAB) {
/* have "last" point at one past the indent */
if (last_tab_in_indent < last_space_in_indent)
last = last_space_in_indent + 1;
else
last = last_tab_in_indent + 1;
}
/*
* between patch[0..last-1], strip the funny spaces,
* updating them to tab as needed.
*/
for (i = 0; i < last; i++) {
char ch = patch[i];
if (ch != ' ') {
consecutive_spaces = 0;
*output++ = ch;
} else {
consecutive_spaces++;
if (consecutive_spaces == 8) {
*output++ = '\t';
consecutive_spaces = 0;
}
}
}
while (0 < consecutive_spaces--)
*output++ = ' ';
plen -= last;
patch += last;
fixed = 1;
}
memcpy(output, patch, plen);
if (add_nl_to_tail)
output[plen++] = '\n';
if (fixed)
applied_after_fixing_ws++;
return output + plen - buf;
}
static int match_fragment(struct image *img,
struct image *preimage,
struct image *postimage,
@ -1642,100 +1736,6 @@ static void remove_last_line(struct image *img)
img->len -= img->line[--img->nr].len;
}
static int copy_wsfix(char *output, const char *patch, int plen,
unsigned ws_rule)
{
/*
* plen is number of bytes to be copied from patch, starting
* at patch. Typically patch[plen-1] is '\n', unless this is
* the incomplete last line.
*/
int i;
int add_nl_to_tail = 0;
int fixed = 0;
int last_tab_in_indent = -1;
int last_space_in_indent = -1;
int need_fix_leading_space = 0;
char *buf;
/*
* Strip trailing whitespace
*/
if ((ws_rule & WS_TRAILING_SPACE) &&
(2 < plen && isspace(patch[plen-2]))) {
if (patch[plen-1] == '\n')
add_nl_to_tail = 1;
plen--;
while (0 < plen && isspace(patch[plen-1]))
plen--;
fixed = 1;
}
/*
* Check leading whitespaces (indent)
*/
for (i = 0; i < plen; i++) {
char ch = patch[i];
if (ch == '\t') {
last_tab_in_indent = i;
if ((ws_rule & WS_SPACE_BEFORE_TAB) &&
0 <= last_space_in_indent)
need_fix_leading_space = 1;
} else if (ch == ' ') {
last_space_in_indent = i;
if ((ws_rule & WS_INDENT_WITH_NON_TAB) &&
8 <= i - last_tab_in_indent)
need_fix_leading_space = 1;
} else
break;
}
buf = output;
if (need_fix_leading_space) {
/* Process indent ourselves */
int consecutive_spaces = 0;
int last = last_tab_in_indent + 1;
if (ws_rule & WS_INDENT_WITH_NON_TAB) {
/* have "last" point at one past the indent */
if (last_tab_in_indent < last_space_in_indent)
last = last_space_in_indent + 1;
else
last = last_tab_in_indent + 1;
}
/*
* between patch[0..last-1], strip the funny spaces,
* updating them to tab as needed.
*/
for (i = 0; i < last; i++) {
char ch = patch[i];
if (ch != ' ') {
consecutive_spaces = 0;
*output++ = ch;
} else {
consecutive_spaces++;
if (consecutive_spaces == 8) {
*output++ = '\t';
consecutive_spaces = 0;
}
}
}
while (0 < consecutive_spaces--)
*output++ = ' ';
plen -= last;
patch += last;
fixed = 1;
}
memcpy(output, patch, plen);
if (add_nl_to_tail)
output[plen++] = '\n';
if (fixed)
applied_after_fixing_ws++;
return output + plen - buf;
}
static void update_image(struct image *img,
int applied_pos,
struct image *preimage,