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Remove fallback break index logic from Hyphenator

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This commit is contained in:
Arthur Tazhitdinov 2025-12-17 18:46:22 +03:00
parent 13a6c43b87
commit 074bab82ff
1 changed files with 2 additions and 34 deletions
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36
lib/Epub/Epub/hyphenation/Hyphenator.cpp
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@ -60,36 +60,6 @@ bool hasOnlyAlphabetic(const std::vector<CodepointInfo>& cps) {
return true;
}
std::vector<size_t> fallbackBreakIndexes(const std::vector<CodepointInfo>& cps) {
std::vector<size_t> indexes;
if (cps.size() < MIN_PREFIX_CP + MIN_SUFFIX_CP) {
return indexes;
}
for (size_t i = MIN_PREFIX_CP; i + MIN_SUFFIX_CP <= cps.size(); ++i) {
const uint32_t prev = cps[i - 1].value;
const uint32_t curr = cps[i].value;
if (!isAlphabetic(prev) || !isAlphabetic(curr)) {
continue;
}
const bool prevVowel = isVowel(prev);
const bool currVowel = isVowel(curr);
const bool prevConsonant = !prevVowel;
const bool currConsonant = !currVowel;
const bool breakable =
(prevVowel && currConsonant) || (prevConsonant && currConsonant) || (prevConsonant && currVowel);
if (breakable) {
indexes.push_back(i);
}
}
return indexes;
}
std::vector<size_t> collectBreakIndexes(const std::vector<CodepointInfo>& cps) {
if (cps.size() < MIN_PREFIX_CP + MIN_SUFFIX_CP) {
return {};
@ -98,12 +68,10 @@ std::vector<size_t> collectBreakIndexes(const std::vector<CodepointInfo>& cps) {
const Script script = detectScript(cps);
if (const auto* hyphenator = hyphenatorForScript(script)) {
auto indexes = hyphenator->breakIndexes(cps);
if (!indexes.empty()) {
return indexes;
}
return indexes;
}
return fallbackBreakIndexes(cps);
return {};
}
size_t byteOffsetForIndex(const std::vector<CodepointInfo>& cps, const size_t index) {