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authorThomas Voss <mail@thomasvoss.com> 2024-01-21 20:06:25 +0100
committerThomas Voss <mail@thomasvoss.com> 2024-01-21 20:06:25 +0100
commit9dffaf04d5c4c58e50df74dd68b11862e2a35e05 (patch)
tree2705c9b1dcae86375b7037791cfdfa83f6f5d9bd /src
parent360d1a1db1521b04b738697e7b13508625248288 (diff)
Vastly simplify position trackingv1.2.0
Diffstat (limited to 'src')
-rw-r--r--src/grab.c48
1 files changed, 14 insertions, 34 deletions
diff --git a/src/grab.c b/src/grab.c
index 38ce94f..112df40 100644
--- a/src/grab.c
+++ b/src/grab.c
@@ -56,7 +56,7 @@ struct ops {
};
struct sv {
- char *bp, *p;
+ char *p;
size_t len;
};
@@ -88,6 +88,11 @@ static bool bflag, cflag, nflag, sflag, Uflag, zflag;
static bool fflag = GIT_GRAB;
static put_func putf;
+static struct {
+ const char *p, *bp;
+ size_t col, row;
+} pos;
+
static const cmd_func op_table[UCHAR_MAX] = {
['g'] = cmdg,
['v'] = cmdg,
@@ -297,10 +302,11 @@ grab(struct ops ops, FILE *stream, const char *filename)
warn("fread: %s", filename);
else {
struct sv sv = {
- .bp = chars.buf,
.p = chars.buf,
.len = chars.len,
};
+ pos.col = pos.row = 1;
+ pos.bp = pos.p = chars.buf;
op_table[(uchar)ops.buf[0].c](sv, ops, 0, filename);
}
@@ -342,7 +348,6 @@ cmdx(struct sv sv, struct ops ops, size_t i, const char *filename)
if (regexec(&op.pat, sv.p, 1, &rm, REG_STARTEND) == REG_NOMATCH)
break;
nsv = (struct sv){
- .bp = sv.bp,
.p = sv.p + rm.rm_so,
.len = rm.rm_eo - rm.rm_so,
};
@@ -381,7 +386,6 @@ cmdy(struct sv sv, struct ops ops, size_t i, const char *filename)
if (prev.rm_so || prev.rm_eo || rm.rm_so) {
nsv = (struct sv){
- .bp = sv.bp,
.p = sv.p + prev.rm_eo,
.len = rm.rm_so - prev.rm_eo,
};
@@ -402,7 +406,6 @@ cmdy(struct sv sv, struct ops ops, size_t i, const char *filename)
if (prev.rm_eo < rm.rm_eo) {
struct sv nsv = {
- .bp = sv.bp,
.p = sv.p + rm.rm_so,
.len = rm.rm_eo - rm.rm_so,
};
@@ -417,13 +420,6 @@ void
putm(struct sv sv, regmatch_t *rm, const char *filename)
{
static const char *fn, *ln, *ma, *se;
- static struct {
- const char8_t *p;
- size_t col, row;
- } pos = {
- .col = 1,
- .row = 1,
- };
if (cflag && !fn) {
char *optstr;
@@ -489,16 +485,12 @@ putm(struct sv sv, regmatch_t *rm, const char *filename)
if (bflag) {
printf("\33[%sm%td\33[0m" /* byte offset */
"\33[%sm%c\33[0m", /* separator */
- ln, sv.p - sv.bp, se, sep);
+ ln, sv.p - pos.bp, se, sep);
} else {
- size_t len;
struct u8view v;
+ size_t len = sv.p - pos.p;
- if (!pos.p)
- pos.p = (char8_t *)sv.bp;
- len = (char8_t *)sv.p - pos.p;
-
- while (u8gnext(&v, &pos.p, &len)) {
+ while (u8gnext(&v, (const char8_t **)&pos.p, &len)) {
if (islbrk(v)) {
pos.col = 1;
pos.row++;
@@ -529,29 +521,17 @@ putm_nc(struct sv sv, regmatch_t *rm, const char *filename)
{
(void)rm;
- static struct {
- const char8_t *p;
- size_t col, row;
- } pos = {
- .col = 1,
- .row = 1,
- };
-
if (fflag || filecnt > 1) {
char sep = zflag ? '\0' : ':';
printf("%s%c", filename, sep);
if (bflag)
- printf("%td%c", sv.p - sv.bp, sep);
+ printf("%td%c", sv.p - pos.bp, sep);
else {
- size_t len;
struct u8view v;
+ size_t len = sv.p - pos.p;
- if (!pos.p)
- pos.p = (char8_t *)sv.bp;
- len = (char8_t *)sv.p - pos.p;
-
- while (u8gnext(&v, &pos.p, &len)) {
+ while (u8gnext(&v, (const char8_t **)&pos.p, &len)) {
if (islbrk(v)) {
pos.col = 1;
pos.row++;