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LibHTML: Preserve UTF-8 codepoints when collapsing whitespace

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This is extremely awkward and I'm sure there are many better ways to
achieve this..
This commit is contained in:
Andreas Kling 2019-10-18 22:50:44 +02:00
parent f4e6dae6fe
commit 07cbe2daa4
Notes: sideshowbarker 2024-07-19 11:38:54 +09:00
1 changed files with 11 additions and 8 deletions
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19
Libraries/LibHTML/Layout/LayoutText.cpp
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@ -141,16 +141,19 @@ void LayoutText::split_into_lines(LayoutBlock& container)
}
// Collapse whitespace into single spaces
auto& raw_text = node().data();
StringBuilder builder(raw_text.length());
for (int i = 0; i < raw_text.length(); ++i) {
if (!isspace(raw_text[i])) {
builder.append(raw_text[i]);
auto utf8_view = Utf8View(node().data());
StringBuilder builder(node().data().length());
for (auto it = utf8_view.begin(); it != utf8_view.end(); ++it) {
if (!isspace(*it)) {
builder.append(utf8_view.as_string().characters_without_null_termination() + utf8_view.byte_offset_of(it), it.codepoint_length_in_bytes());
} else {
builder.append(' ');
while (i < raw_text.length() && isspace(raw_text[i]))
++i;
--i;
auto prev = it;
while (it != utf8_view.end() && isspace(*it)) {
prev = it;
++it;
}
it = prev;
}
}
m_text_for_rendering = builder.to_string();