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Micro optimization

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Kovid Goyal 2021-04-19 08:05:00 +05:30
parent ef61093181
commit 961607c554
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GPG Key ID: 06BC317B515ACE7C
1 changed files with 3 additions and 3 deletions
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6
src/calibre/srv/fast_css_transform.cpp
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@ -621,14 +621,14 @@ class TokenQueue {
it->erase_text_substring(0, 5);
size_t pos = std::distance(queue.begin(), it);
std::vector<Token> copies;
copies.reserve(queue.size());
copies.reserve(queue.size() + 2);
while (it < queue.end() && !it->is_property_terminator()) { copies.push_back(*(it++)); }
if (copies.size()) {
copies.emplace_back(TokenType::delimiter, ';');
copies.emplace_back(TokenType::whitespace, ' ');
queue.insert(queue.begin() + pos, std::make_move_iterator(copies.begin()), std::make_move_iterator(copies.end()));
size_t idx = pos + copies.size();
queue[idx].prepend(U"-webkit-column-");
queue.emplace(queue.begin() + idx, TokenType::whitespace, ' ');
queue.emplace(queue.begin() + idx, TokenType::delimiter, ';');
}
changed = true; keep_going = false;
}