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authorThomas Voss <mail@thomasvoss.com> 2024-01-22 19:15:47 +0100
committerThomas Voss <mail@thomasvoss.com> 2024-01-22 19:15:47 +0100
commitb9e7b9740e766b699534f242d48162d341299a0a (patch)
tree148ba1f3ca94bc38fef8fae3d2d54078f886ea84 /src
parent745e4e3c83b1688d205d5a9a54ef41fbb62efce4 (diff)
Implement H//
Diffstat (limited to 'src')
-rw-r--r--src/grab.c47
1 files changed, 41 insertions, 6 deletions
diff --git a/src/grab.c b/src/grab.c
index b391909..79b8146 100644
--- a/src/grab.c
+++ b/src/grab.c
@@ -386,12 +386,47 @@ void
cmdH(struct sv sv, struct matches *ms, struct ops ops, size_t i,
const char *filename)
{
- (void)sv;
- (void)ms;
- (void)ops;
- (void)i;
- (void)filename;
- assert(!"Not implemented");
+ regmatch_t rm = {
+ .rm_so = 0,
+ .rm_eo = sv.len,
+ };
+ regmatch_t prev = {
+ .rm_so = 0,
+ .rm_eo = 0,
+ };
+ struct op op = ops.buf[i];
+
+ do {
+ struct sv nsv;
+
+ if (regexec(&op.pat, sv.p, 1, &rm, REG_STARTEND) == REG_NOMATCH)
+ break;
+
+ if (prev.rm_so || prev.rm_eo || rm.rm_so) {
+ nsv = (struct sv){
+ .p = sv.p + prev.rm_eo,
+ .len = rm.rm_so - prev.rm_eo,
+ };
+ if (nsv.len)
+ dapush(ms, nsv);
+ }
+
+ prev = rm;
+ if (rm.rm_so == rm.rm_eo)
+ rm.rm_eo++;
+ rm = (regmatch_t){
+ .rm_so = rm.rm_eo,
+ .rm_eo = sv.len,
+ };
+ } while (rm.rm_so < rm.rm_eo);
+
+ if (prev.rm_eo < rm.rm_eo)
+ dapush(ms, ((struct sv){sv.p + rm.rm_so, rm.rm_eo - rm.rm_so}));
+
+ if (i + 1 == ops.len)
+ putf(sv, ms, filename);
+ else
+ op_table[(uchar)ops.buf[i + 1].c](sv, ms, ops, i + 1, filename);
}
void