[PATCH] diff --check: use colour
Reuse the colour handling of the regular diff.
Signed-off-by: Johannes Schindelin <Johannes.Schindelin@gmx.de>
---
Is it possible that diff_get_color() _never_ returns NULL?
Then diff.c can be further cleaned up...
diff.c | 58 ++++++++++++++++++++++++++++++++++++++++------------------
1 files changed, 40 insertions(+), 18 deletions(-)
diff --git a/diff.c b/diff.c
index f11a633..1b31c4f 100644
--- a/diff.c
+++ b/diff.c
@@ -405,22 +405,16 @@ 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.
*/
@@ -475,6 +469,18 @@ 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, reset,
+ line, len);
+}
+
static void fn_out_consume(void *priv, char *line, unsigned long len)
{
int i;
@@ -864,30 +870,45 @@ 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;
+ const char *message = NULL;
/* 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(2, set, reset, ws, line, len);
+ }
data->lineno++;
} else if (line[0] == ' ')
@@ -1145,7 +1166,7 @@ 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;
@@ -1157,6 +1178,7 @@ 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");
@@ -1766,7 +1788,7 @@ 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)
--
1.5.0.rc2.g8b13f-dirty
Johannes Schindelin <johannes.schindelin@gmx.de>