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diff --check: use colour 

Reuse the colour handling of the regular diff.

Signed-off-by: Johannes Schindelin <Johannes.Schindelin@gmx.de>
Signed-off-by: Junio C Hamano <junkio@cox.net>
This commit is contained in:
Johannes Schindelin 2007-02-18 17:27:24 +01:00 committed by Junio C Hamano
parent 437b1b20df
commit c5a8c3ecd7
1 changed files with 39 additions and 18 deletions
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57
diff.c
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@ -398,22 +398,16 @@ static void emit_line(const char *set, const char *reset, const char *line, int
puts(reset);
}
static void emit_add_line(const char *reset, struct emit_callback *ecbdata, const char *line, int len)
static void emit_line_with_ws(int nparents,
const char *set, const char *reset, const char *ws,
const char *line, int len)
{
int col0 = ecbdata->nparents;
int col0 = nparents;
int last_tab_in_indent = -1;
int last_space_in_indent = -1;
int i;
int tail = len;
int need_highlight_leading_space = 0;
const char *ws = diff_get_color(ecbdata->color_diff, DIFF_WHITESPACE);
const char *set = diff_get_color(ecbdata->color_diff, DIFF_FILE_NEW);
if (!*ws) {
emit_line(set, reset, line, len);
return;
}
/* The line is a newly added line. Does it have funny leading
* whitespaces? In indent, SP should never precede a TAB.
*/
@ -468,6 +462,18 @@ static void emit_add_line(const char *reset, struct emit_callback *ecbdata, cons
emit_line(set, reset, line + i, len - i);
}
static void emit_add_line(const char *reset, struct emit_callback *ecbdata, const char *line, int len)
{
const char *ws = diff_get_color(ecbdata->color_diff, DIFF_WHITESPACE);
const char *set = diff_get_color(ecbdata->color_diff, DIFF_FILE_NEW);
if (!*ws)
emit_line(set, reset, line, len);
else
emit_line_with_ws(ecbdata->nparents, set, reset, ws,
line, len);
}
static void fn_out_consume(void *priv, char *line, unsigned long len)
{
int i;
@ -870,30 +876,44 @@ static void show_numstat(struct diffstat_t* data, struct diff_options *options)
struct checkdiff_t {
struct xdiff_emit_state xm;
const char *filename;
int lineno;
int lineno, color_diff;
};
static void checkdiff_consume(void *priv, char *line, unsigned long len)
{
struct checkdiff_t *data = priv;
const char *ws = diff_get_color(data->color_diff, DIFF_WHITESPACE);
const char *reset = diff_get_color(data->color_diff, DIFF_RESET);
const char *set = diff_get_color(data->color_diff, DIFF_FILE_NEW);
if (line[0] == '+') {
int i, spaces = 0;
int i, spaces = 0, space_before_tab = 0, white_space_at_end = 0;
/* check space before tab */
for (i = 1; i < len && (line[i] == ' ' || line[i] == '\t'); i++)
if (line[i] == ' ')
spaces++;
if (line[i - 1] == '\t' && spaces)
printf("%s:%d: space before tab:%.*s\n",
data->filename, data->lineno, (int)len, line);
space_before_tab = 1;
/* check white space at line end */
if (line[len - 1] == '\n')
len--;
if (isspace(line[len - 1]))
printf("%s:%d: white space at end: %.*s\n",
data->filename, data->lineno, (int)len, line);
white_space_at_end = 1;
if (space_before_tab || white_space_at_end) {
printf("%s:%d: %s", data->filename, data->lineno, ws);
if (space_before_tab) {
printf("space before tab");
if (white_space_at_end)
putchar(',');
}
if (white_space_at_end)
printf("white space at end");
printf(":%s ", reset);
emit_line_with_ws(1, set, reset, ws, line, len);
}
data->lineno++;
} else if (line[0] == ' ')
@ -1151,7 +1171,7 @@ static void builtin_diffstat(const char *name_a, const char *name_b,
static void builtin_checkdiff(const char *name_a, const char *name_b,
struct diff_filespec *one,
struct diff_filespec *two)
struct diff_filespec *two, struct diff_options *o)
{
mmfile_t mf1, mf2;
struct checkdiff_t data;
@ -1163,6 +1183,7 @@ static void builtin_checkdiff(const char *name_a, const char *name_b,
data.xm.consume = checkdiff_consume;
data.filename = name_b ? name_b : name_a;
data.lineno = 0;
data.color_diff = o->color_diff;
if (fill_mmfile(&mf1, one) < 0 || fill_mmfile(&mf2, two) < 0)
die("unable to read files to diff");
@ -1773,7 +1794,7 @@ static void run_checkdiff(struct diff_filepair *p, struct diff_options *o)
diff_fill_sha1_info(p->one);
diff_fill_sha1_info(p->two);
builtin_checkdiff(name, other, p->one, p->two);
builtin_checkdiff(name, other, p->one, p->two, o);
}
void diff_setup(struct diff_options *options)