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authorTimo Hirvonen <tihirvon@gmail.com>2006-07-13 19:08:06 +0300
committerJunio C Hamano <junkio@cox.net>2006-07-13 21:53:25 -0700
commitf5b571fcf7929ca6e85b3c35c4bb96db305d0b1e (patch)
tree645347189b7f8af44607687416f8ea61169f3553 /diff.c
parentf37399e6b0689b8b9a5a4cf9149ede5a39fca549 (diff)
downloadgit-f5b571fcf7929ca6e85b3c35c4bb96db305d0b1e.tar.gz
git-f5b571fcf7929ca6e85b3c35c4bb96db305d0b1e.tar.xz
diff: Support 256 colors
Add support for more than 8 colors. Colors can be specified as numbers -1..255. -1 is same as "normal". Signed-off-by: Timo Hirvonen <tihirvon@gmail.com> Signed-off-by: Junio C Hamano <junkio@cox.net>
Diffstat (limited to 'diff.c')
-rw-r--r--diff.c24
1 files changed, 18 insertions, 6 deletions
diff --git a/diff.c b/diff.c
index f350c6ba9..8b4475613 100644
--- a/diff.c
+++ b/diff.c
@@ -26,8 +26,8 @@ enum color_diff {
DIFF_FILE_NEW = 5,
};
-/* "\033[1;30;47m\0" is 11 bytes */
-static char diff_colors[][16] = {
+/* "\033[1;38;5;2xx;48;5;2xxm\0" is 23 bytes */
+static char diff_colors[][24] = {
"\033[m", /* reset */
"", /* normal */
"\033[1m", /* bold */
@@ -57,12 +57,16 @@ static int parse_color(const char *name, int len)
"normal", "black", "red", "green", "yellow",
"blue", "magenta", "cyan", "white"
};
+ char *end;
int i;
for (i = 0; i < ARRAY_SIZE(color_names); i++) {
const char *str = color_names[i];
if (!strncasecmp(name, str, len) && !str[len])
return i - 1;
}
+ i = strtol(name, &end, 10);
+ if (*name && !*end && i >= -1 && i <= 255)
+ return i;
return -2;
}
@@ -135,14 +139,22 @@ static void parse_diff_color_value(const char *value, const char *var, char *dst
if (fg >= 0) {
if (sep++)
*dst++ = ';';
- *dst++ = '3';
- *dst++ = '0' + fg;
+ if (fg < 8) {
+ *dst++ = '3';
+ *dst++ = '0' + fg;
+ } else {
+ dst += sprintf(dst, "38;5;%d", fg);
+ }
}
if (bg >= 0) {
if (sep++)
*dst++ = ';';
- *dst++ = '4';
- *dst++ = '0' + bg;
+ if (bg < 8) {
+ *dst++ = '4';
+ *dst++ = '0' + bg;
+ } else {
+ dst += sprintf(dst, "48;5;%d", bg);
+ }
}
*dst++ = 'm';
}