1 files changed, 0 insertions, 94 deletions
diff --git a/lib/unicode/string/u8norm_nfkd.c b/lib/unicode/string/u8norm_nfkd.c
deleted file mode 100644
index 898b650..0000000
--- a/lib/unicode/string/u8norm_nfkd.c
+++ /dev/null
@@ -1,94 +0,0 @@
-#include <string.h>
-
-#include "macros.h"
-#include "mbstring.h"
-#include "unicode/prop.h"
-#include "unicode/string.h"
-
-static void decomp(char8_t *, size_t *, size_t, rune);
-
-/* Computed using a gen/scale-norm.c */
-constexpr int NFKD_SCALE = 11;
-
-/* For Hangul syllable decomposition */
-constexpr rune SBASE = 0xAC00;
-constexpr rune LBASE = 0x1100;
-constexpr rune VBASE = 0x1161;
-constexpr rune TBASE = 0x11A7;
-constexpr int LCNT = 19;
-constexpr int VCNT = 21;
-constexpr int TCNT = 28;
-constexpr int NCNT = VCNT * TCNT;
-constexpr int SCNT = LCNT * NCNT;
-
-char8_t *
-u8norm_nfkd(size_t *dstn, struct u8view src, alloc_fn alloc, void *ctx)
-{
-	ASSUME(dstn != nullptr);
-	ASSUME(alloc != nullptr);
-
-	/* Pre-allocate a buffer with some initial capacity; there is no need to
-	   check for overflow when computing bufsz because alloc() will handle the
-	   overflow error for us. */
-	size_t bufsz = src.len * NFKD_SCALE;
-	char8_t *dst = alloc(ctx, nullptr, 0, src.len, NFKD_SCALE, alignof(char8_t));
-
-	*dstn = 0;
-	for (rune ch; ucsnext(&ch, &src) != 0; decomp(dst, dstn, bufsz, ch))
-		;
-	return alloc(ctx, dst, src.len, *dstn, 1, alignof(char8_t));
-}
-
-#define WRITE(ch) *dstn += rtoucs(dst + *dstn, bufsz - *dstn, (ch))
-
-void
-decomp(char8_t *dst, size_t *dstn, size_t bufsz, rune ch)
-{
-	if (uprop_get_hst(ch) != HST_NA) {
-		int si = ch - SBASE;
-		if (si < 0 || si > SCNT) {
-			WRITE(ch);
-			return;
-		}
-		rune l, v, t;
-		l = LBASE + si / NCNT;
-		v = VBASE + (si % NCNT) / TCNT;
-		t = TBASE + si % TCNT;
-		WRITE(l);
-		WRITE(v);
-		if (t != TBASE)
-			WRITE(t);
-	} else if (uprop_get_dt(ch) != DT_NONE) {
-		struct rview rv = uprop_get_dm(ch);
-		for (size_t i = 0; i < rv.len; i++)
-			decomp(dst, dstn, bufsz, rv.p[i]);
-	} else {
-		enum uprop_ccc ccc = uprop_get_ccc(ch);
-		if (ccc == CCC_NR) {
-			WRITE(ch);
-			return;
-		}
-
-		int w;
-		rune hc;
-		char8_t *p = dst + *dstn;
-		while (w = ucsprev(&hc, (const char8_t **)&p, dst)) {
-			enum uprop_ccc ccc2 = uprop_get_ccc(hc);
-			if (ccc2 == CCC_NR || ccc2 <= ccc) {
-out:
-				char8_t tmp[U8_LEN_MAX];
-				int w2 = rtoucs(tmp, sizeof(tmp), ch);
-				p += w;
-				memmove(p + w2, p, dst + *dstn - p);
-				memcpy(p, tmp, w2);
-				*dstn += w2;
-				return;
-			}
-		}
-
-		/* Loop didn’t early-return; append to the start */
-		goto out;
-	}
-}
-
-#undef WRITE