Keep direct pointer at bracket-struct in bidi-state - libgrapheme - unicode string library
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---
(DIR) commit 2165664f6e2fa381eea54b9f887f152df2d9f817
(DIR) parent df25b40e3ba37e63bf914c199de448c01b3d1b6e
(HTM) Author: Laslo Hunhold <dev@frign.de>
Date: Sun, 30 Oct 2022 01:29:19 +0200
Keep direct pointer at bracket-struct in bidi-state
This makes the information easier to access instead of having to turn
the offset in the bracket-array to a pointer in every case we use it.
Signed-off-by: Laslo Hunhold <dev@frign.de>
Diffstat:
M src/bidirectional.c | 35 +++++++++++++++----------------
1 file changed, 17 insertions(+), 18 deletions(-)
---
(DIR) diff --git a/src/bidirectional.c b/src/bidirectional.c
@@ -1,7 +1,6 @@
/* See LICENSE file for copyright and license details. */
#include <stdbool.h>
#include <stddef.h>
-#include <stdlib.h>
#include "../gen/bidirectional.h"
#include "../grapheme.h"
@@ -50,7 +49,7 @@ struct state {
uint_least8_t paragraph_level;
int_least8_t level;
enum bidi_property prop;
- uint_least8_t bracket_off;
+ const struct bracket *bracket;
bool visited;
enum bidi_property rawprop;
};
@@ -59,23 +58,23 @@ static inline void
state_serialize(const struct state *s, int_least32_t *out)
{
*out = (int_least32_t)(
- ((((uint_least32_t)(s->paragraph_level)) & 0x01 /* 00000001 */) << 0) |
- ((((uint_least32_t)(s->level + 1)) & 0x7F /* 01111111 */) << 1) |
- ((((uint_least32_t)(s->prop)) & 0x1F /* 00011111 */) << 8) |
- ((((uint_least32_t)(s->bracket_off)) & 0xFF /* 11111111 */) << 13) |
- ((((uint_least32_t)(s->visited)) & 0x01 /* 00000001 */) << 21) |
- ((((uint_least32_t)(s->rawprop)) & 0x1F /* 00011111 */) << 22));
+ ((((uint_least32_t)(s->paragraph_level)) & 0x01 /* 00000001 */) << 0) |
+ ((((uint_least32_t)(s->level + 1)) & 0x7F /* 01111111 */) << 1) |
+ ((((uint_least32_t)(s->prop)) & 0x1F /* 00011111 */) << 8) |
+ ((((uint_least32_t)(s->bracket - bidi_bracket)) & 0xFF /* 11111111 */) << 13) |
+ ((((uint_least32_t)(s->visited)) & 0x01 /* 00000001 */) << 21) |
+ ((((uint_least32_t)(s->rawprop)) & 0x1F /* 00011111 */) << 22));
}
static inline void
state_deserialize(int_least32_t in, struct state *s)
{
- s->paragraph_level = (uint_least8_t)((((uint_least32_t)in) >> 0) & 0x01 /* 00000001 */);
- s->level = (int_least8_t)((((uint_least32_t)in) >> 1) & 0x7F /* 01111111 */) - 1;
- s->prop = (enum bidi_property)((((uint_least32_t)in) >> 8) & 0x1F /* 00011111 */);
- s->bracket_off = (uint_least8_t)((((uint_least32_t)in) >> 13) & 0xFF /* 11111111 */);
- s->visited = (bool)((((uint_least32_t)in) >> 21) & 0x01 /* 00000001 */);
- s->rawprop = (enum bidi_property)((((uint_least32_t)in) >> 22) & 0x1F /* 00011111 */);
+ s->paragraph_level = (uint_least8_t)((((uint_least32_t)in) >> 0) & 0x01 /* 00000001 */);
+ s->level = (int_least8_t)((((uint_least32_t)in) >> 1) & 0x7F /* 01111111 */) - 1;
+ s->prop = (enum bidi_property)((((uint_least32_t)in) >> 8) & 0x1F /* 00011111 */);
+ s->bracket = bidi_bracket + (uint_least8_t)((((uint_least32_t)in) >> 13) & 0xFF /* 11111111 */);
+ s->visited = (bool)((((uint_least32_t)in) >> 21) & 0x01 /* 00000001 */);
+ s->rawprop = (enum bidi_property)((((uint_least32_t)in) >> 22) & 0x1F /* 00011111 */);
}
static void
@@ -84,7 +83,7 @@ isolate_runner_init(int_least32_t *buf, size_t buflen, size_t off,
struct isolate_runner *ir)
{
struct state s;
- ssize_t i;
+ size_t i;
int_least8_t cur_level, sos_level;
state_deserialize(buf[off], &s);
@@ -115,8 +114,8 @@ isolate_runner_init(int_least32_t *buf, size_t buflen, size_t off,
*/
cur_level = s.level;
ir->cur.prop = NUM_BIDI_PROPS;
- for (i = (ssize_t)off - 1, sos_level = -1; i >= 0; i--) {
- state_deserialize(buf[i], &s);
+ for (i = off, sos_level = -1; i >= 1; i--) {
+ state_deserialize(buf[i - 1], &s);
if (s.level != -1) {
/*
@@ -935,7 +934,7 @@ get_embedding_levels(HERODOTUS_READER *r, enum grapheme_bidirectional_override o
s.paragraph_level = 0;
s.level = 0;
s.prop = get_bidi_property(cp);
- s.bracket_off = get_bidi_bracket_off(cp);
+ s.bracket = bidi_bracket + get_bidi_bracket_off(cp);
s.visited = 0;
s.rawprop = get_bidi_property(cp);
state_serialize(&s, &(buf[bufoff]));