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[icu] Pass normalizer instance down as user_data

This commit is contained in:
Behdad Esfahbod 2018-08-13 17:02:21 -07:00
parent f0ef096b8c
commit c9a22fa124
1 changed files with 9 additions and 14 deletions
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23
src/hb-icu.cc
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@ -165,10 +165,6 @@ hb_icu_unicode_script (hb_unicode_funcs_t *ufuncs HB_UNUSED,
return hb_icu_script_to_script (scriptCode);
}
#if U_ICU_VERSION_MAJOR_NUM >= 49
static hb_atomic_ptr_t <const UNormalizer2> normalizer;
#endif
static hb_bool_t
hb_icu_unicode_compose (hb_unicode_funcs_t *ufuncs HB_UNUSED,
hb_codepoint_t a,
@ -178,7 +174,8 @@ hb_icu_unicode_compose (hb_unicode_funcs_t *ufuncs HB_UNUSED,
{
#if U_ICU_VERSION_MAJOR_NUM >= 49
{
UChar32 ret = unorm2_composePair (normalizer.get_relaxed (), a, b);
const UNormalizer2 *normalizer = (const UNormalizer2 *) user_data;
UChar32 ret = unorm2_composePair (normalizer, a, b);
if (ret < 0) return false;
*ab = ret;
return true;
@ -223,10 +220,11 @@ hb_icu_unicode_decompose (hb_unicode_funcs_t *ufuncs HB_UNUSED,
{
#if U_ICU_VERSION_MAJOR_NUM >= 49
{
const UNormalizer2 *normalizer = (const UNormalizer2 *) user_data;
UChar decomposed[4];
int len;
UErrorCode icu_err = U_ZERO_ERROR;
len = unorm2_getRawDecomposition (normalizer.get_relaxed (), ab, decomposed,
len = unorm2_getRawDecomposition (normalizer, ab, decomposed,
ARRAY_LENGTH (decomposed), &icu_err);
if (U_FAILURE (icu_err) || len < 0) return false;
@ -352,20 +350,17 @@ static struct hb_icu_unicode_funcs_lazy_loader_t : hb_unicode_funcs_lazy_loader_
{
static inline hb_unicode_funcs_t *create (void)
{
void *user_data = nullptr;
#if U_ICU_VERSION_MAJOR_NUM >= 49
retry:
if (!normalizer.get ())
{
UErrorCode icu_err = U_ZERO_ERROR;
if (unlikely (!normalizer.cmpexch (nullptr, unorm2_getNFCInstance (&icu_err))))
goto retry;
}
UErrorCode icu_err = U_ZERO_ERROR;
user_data = (void *) unorm2_getNFCInstance (&icu_err);
assert (user_data);
#endif
hb_unicode_funcs_t *funcs = hb_unicode_funcs_create (nullptr);
#define HB_UNICODE_FUNC_IMPLEMENT(name) \
hb_unicode_funcs_set_##name##_func (funcs, hb_icu_unicode_##name, nullptr, nullptr);
hb_unicode_funcs_set_##name##_func (funcs, hb_icu_unicode_##name, user_data, nullptr);
HB_UNICODE_FUNCS_IMPLEMENT_CALLBACKS
#undef HB_UNICODE_FUNC_IMPLEMENT