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authorThomas Voss <mail@thomasvoss.com> 2024-01-20 19:21:59 +0100
committerThomas Voss <mail@thomasvoss.com> 2024-01-20 19:21:59 +0100
commitc0ce21c393dc49b9e542aae1cb4862a8c7e2a5ec (patch)
tree427277c724dbc4a9885c1cc1736a4c7c5ec5a1aa /src/grab.c
parent99a3838242604a4cc888ea7f5019207cfb1d003a (diff)
Add more color highlighting
Diffstat (limited to 'src/grab.c')
-rw-r--r--src/grab.c38
1 files changed, 28 insertions, 10 deletions
diff --git a/src/grab.c b/src/grab.c
index 43d4cef..94bd79a 100644
--- a/src/grab.c
+++ b/src/grab.c
@@ -37,6 +37,7 @@
#define EEARLY "Input string terminated prematurely"
#define DEFCOL_FN "35"
+#define DEFCOL_MA "01;31"
#define DEFCOL_SE "36"
struct op {
@@ -67,7 +68,7 @@ static void cmdx(struct sv, struct ops, size_t, const char *);
static void cmdy(struct sv, struct ops, size_t, const char *);
static void grab(struct ops, FILE *, const char *);
-static void putm(struct sv, const char *);
+static void putm(struct sv, regmatch_t, const char *);
static bool sgrvalid(const char *);
static regex_t mkregex(char *, size_t);
static struct ops comppat(char *);
@@ -313,7 +314,7 @@ cmdg(struct sv sv, struct ops ops, size_t i, const char *filename)
return;
if (i + 1 == ops.len)
- putm(sv, filename);
+ putm(sv, pm, filename);
else
op_table[(uchar)ops.buf[i + 1].c](sv, ops, i + 1, filename);
}
@@ -334,7 +335,7 @@ cmdx(struct sv sv, struct ops ops, size_t i, const char *filename)
break;
nsv = (struct sv){.p = sv.p + pm.rm_so, .len = pm.rm_eo - pm.rm_so};
if (i + 1 == ops.len)
- putm(nsv, filename);
+ putm(nsv, pm, filename);
else
op_table[(uchar)ops.buf[i + 1].c](nsv, ops, i + 1, filename);
@@ -372,7 +373,7 @@ cmdy(struct sv sv, struct ops ops, size_t i, const char *filename)
.len = pm.rm_so - prev.rm_eo,
};
if (i + 1 == ops.len)
- putm(nsv, filename);
+ putm(nsv, pm, filename);
else
op_table[(uchar)ops.buf[i + 1].c](nsv, ops, i + 1, filename);
}
@@ -392,27 +393,29 @@ cmdy(struct sv sv, struct ops ops, size_t i, const char *filename)
.len = pm.rm_eo - pm.rm_so,
};
if (i + 1 == ops.len)
- putm(nsv, filename);
+ putm(nsv, pm, filename);
else
op_table[(uchar)ops.buf[i + 1].c](nsv, ops, i + 1, filename);
}
}
void
-putm(struct sv sv, const char *filename)
+putm(struct sv sv, regmatch_t rm, const char *filename)
{
- static const char *fn, *se;
+ static const char *fn, *ma, *se;
if (cflag && !fn) {
char *optstr;
if ((optstr = env_or_default("GRAB_COLORS", nullptr))) {
enum {
OPT_FN,
+ OPT_MA,
OPT_SE,
};
/* clang-format off */
static char *const tokens[] = {
[OPT_FN] = "fn",
+ [OPT_MA] = "ma",
[OPT_SE] = "se",
nullptr
};
@@ -422,10 +425,16 @@ putm(struct sv sv, const char *filename)
char *val;
switch (getsubopt(&optstr, tokens, &val)) {
case OPT_FN:
- fn = sgrvalid(val) ? val : DEFCOL_FN;
+ if (sgrvalid(val))
+ fn = val;
+ break;
+ case OPT_MA:
+ if (sgrvalid(val))
+ ma = val;
break;
case OPT_SE:
- se = sgrvalid(val) ? val : DEFCOL_SE;
+ if (sgrvalid(val))
+ se = val;
break;
default:
warnx("invalid color value -- '%s'", val);
@@ -436,6 +445,8 @@ putm(struct sv sv, const char *filename)
if (!fn)
fn = DEFCOL_FN;
+ if (!ma)
+ ma = DEFCOL_MA;
if (!se)
se = DEFCOL_SE;
}
@@ -447,7 +458,14 @@ putm(struct sv sv, const char *filename)
} else
printf("%s%c", filename, zflag ? '\0' : ':');
}
- fwrite(sv.p, 1, sv.len, stdout);
+ if ((size_t)(rm.rm_eo - rm.rm_so) == sv.len)
+ fwrite(sv.p, 1, sv.len, stdout);
+ else {
+ fwrite(sv.p, 1, rm.rm_so, stdout);
+ printf("\33[%sm%.*s\33[0m", ma, (int)(rm.rm_eo - rm.rm_so),
+ sv.p + rm.rm_so);
+ fwrite(sv.p + rm.rm_eo, 1, sv.len - rm.rm_eo, stdout);
+ }
if (!(sflag && sv.p[sv.len - 1] == '\n'))
putchar(zflag ? '\0' : '\n');
}