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[Glacier][Zion] Add a fix sized string builder to allow non-alloc debug.

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Drew Galbraith 2023-11-09 09:07:09 -08:00
parent 601f29c324
commit 8d10f19312
5 changed files with 62 additions and 3 deletions
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23
lib/glacier/string/string_builder.cpp
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@ -27,4 +27,27 @@ VariableStringBuilder::operator StringView() const {
return StringView(data_.RawPtr(), size());
}
void FixedStringBuilder::PushBack(const StringView& str) {
for (uint64_t i = 0; i < str.size(); i++) {
PushBack(str[i]);
}
}
void FixedStringBuilder::PushBack(const char str) {
if (size_ >= capacity_) {
// Somewhat random sequence of characters to show that we've overrun the
// buffer.
buffer_[capacity_ - 1] = '>';
buffer_[capacity_ - 2] = '!';
} else {
buffer_[size_++] = str;
}
}
String FixedStringBuilder::ToString() const { return String(buffer_, size_); }
FixedStringBuilder::operator StringView() const {
return StringView(buffer_, size_);
}
} // namespace glcr