Silence strict casting warnings and apply bidi mirroring - libgrapheme - unicode string library
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---
(DIR) commit ba923230c7b25b0737d151c3f607a75b63676456
(DIR) parent c2aa140007c3fe8f6b58839668219e9c8414865b
(HTM) Author: Laslo Hunhold <dev@frign.de>
Date: Mon, 29 May 2023 08:37:11 +0200
Silence strict casting warnings and apply bidi mirroring
The mirroring-part must have been accidentally dropped in one previous
refactoring.
Signed-off-by: Laslo Hunhold <dev@frign.de>
Diffstat:
M src/bidirectional.c | 21 +++++++++++++--------
1 file changed, 13 insertions(+), 8 deletions(-)
---
(DIR) diff --git a/src/bidirectional.c b/src/bidirectional.c
@@ -903,7 +903,7 @@ get_isolated_paragraph_level(const uint_least32_t *state, size_t statelen)
/* determine paragraph level (rules P1-P3) and terminate on PDI */
for (stateoff = 0, isolate_level = 0; stateoff < statelen; stateoff++) {
- prop = get_state(STATE_PROP, state[stateoff]);
+ prop = (uint_least8_t)get_state(STATE_PROP, state[stateoff]);
if (prop == BIDI_PROP_PDI && isolate_level == 0) {
/*
@@ -1488,6 +1488,7 @@ get_line_embedding_levels(const uint_least32_t *linedata, size_t linelen,
/* rule L1.4 */
runsince = SIZE_MAX;
+ runlevel = -1;
for (i = 0, levlen = 0; i < linelen; i++) {
level = (int_least8_t)get_state(STATE_LEVEL, linedata[i]);
prop = (uint_least8_t)get_state(STATE_PRESERVED_PROP,
@@ -1512,8 +1513,8 @@ get_line_embedding_levels(const uint_least32_t *linedata, size_t linelen,
if (runsince == SIZE_MAX) {
/* a new run has begun */
runsince = levlen - 1; /* levlen > 0 */
- runlevel = get_state(STATE_PARAGRAPH_LEVEL,
- linedata[i]);
+ runlevel = (int_least8_t)get_state(
+ STATE_PARAGRAPH_LEVEL, linedata[i]);
}
} else {
/* sequence ended */
@@ -1539,7 +1540,7 @@ get_line_embedding_levels(const uint_least32_t *linedata, size_t linelen,
static inline int_least8_t
get_level_int8(const void *lev, size_t off)
{
- return ((int_least8_t *)lev)[off];
+ return ((const int_least8_t *)lev)[off];
}
static inline void
@@ -1561,7 +1562,7 @@ grapheme_bidirectional_get_line_embedding_levels(const uint_least32_t *linedata,
static inline int_least8_t
get_level_uint32(const void *lev, size_t off)
{
- return (int_least8_t)((((uint_least32_t *)lev)[off] &
+ return (int_least8_t)((((const uint_least32_t *)lev)[off] &
UINT32_C(0x1FE00000)) >>
21) -
1;
@@ -1591,15 +1592,19 @@ grapheme_bidirectional_reorder_line(const uint_least32_t *line,
size_t linelen, uint_least32_t *output,
size_t outputsize)
{
- size_t i, outputlen, first, last, j, k, l, laststart;
+ size_t i, outputlen, first, last, j, k, l /*, laststart*/;
int_least8_t level, min_odd_level = MAX_DEPTH + 2, max_level = 0;
uint_least32_t tmp;
- /* write output characters */
+ /* write output characters (and apply possible mirroring) */
for (i = 0, outputlen = 0; i < linelen; i++) {
if (get_state(STATE_LEVEL, linedata[i]) != -1) {
if (outputlen < outputsize) {
- output[outputlen] = line[i];
+ output[outputlen] =
+ (uint_least32_t)((int_least32_t)
+ line[i] +
+ get_mirror_offset(
+ line[i]));
}
outputlen++;
}