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Revert "ported from mozilla: Bug 1819025 - Don't consider following join-controls when determining whether a space is collapsible. r=emilio (fad4426b7b)"

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This reverts commit 854fac5c4c.
This commit is contained in:
roytam1 2024-06-28 22:10:57 +08:00
commit 5134d40d65
3 changed files with 1 additions and 17 deletions
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10
intl/unicharutil/util/nsUnicodeProperties.cpp
View file

@ -158,16 +158,6 @@ IsClusterExtender(uint32_t aCh, uint8_t aCategory)
(aCh >= 0xe0020 && aCh <= 0xe007f)); // emoji (flag) tag characters
}
bool IsClusterExtenderExcludingJoiners(uint32_t aCh, uint8_t aCategory)
{
return ((aCategory >= HB_UNICODE_GENERAL_CATEGORY_SPACING_MARK &&
aCategory <= HB_UNICODE_GENERAL_CATEGORY_NON_SPACING_MARK) ||
(aCh >= 0xff9e && aCh <= 0xff9f) || // katakana sound marks
(aCh >= 0x1F3FB && aCh <= 0x1F3FF) || // fitzpatrick skin tone modifiers
(aCh >= 0xe0020 && aCh <= 0xe007f)); // emoji (flag) tag characters
}
enum HSType {
HST_NONE = U_HST_NOT_APPLICABLE,
HST_L = U_HST_LEADING_JAMO,

6
intl/unicharutil/util/nsUnicodeProperties.h
View file

@ -216,12 +216,6 @@ inline bool IsClusterExtender(uint32_t aCh) {
return IsClusterExtender(aCh, GetGeneralCategory(aCh));
}
bool IsClusterExtenderExcludingJoiners(uint32_t aCh, uint8_t aCategory);
inline bool IsClusterExtenderExcludingJoiners(uint32_t aCh) {
return IsClusterExtenderExcludingJoiners(aCh, GetGeneralCategory(aCh));
}
// A simple iterator for a string of char16_t codepoints that advances
// by Unicode grapheme clusters
class ClusterIterator

2
layout/generic/nsTextFrameUtils.h
View file

@ -81,7 +81,7 @@ public:
static bool
IsSpaceCombiningSequenceTail(const char16_t* aChars, int32_t aLength) {
return aLength > 0 &&
(mozilla::unicode::IsClusterExtenderExcludingJoiners(aChars[0]) ||
(mozilla::unicode::IsClusterExtender(aChars[0]) ||
(IsBidiControl(aChars[0]) &&
IsSpaceCombiningSequenceTail(aChars + 1, aLength - 1)
)