QUrl stringprep: recalculate the current position if the size changes
If the case folding operation results in either expansion or reduction of the string, we need to adapt. Reduction happens most often when a non-BMP character is case-folded to a character in the BMP (example: mathematical signs at U+1D400-1D7FF). Expansion happens in the rare case of symbols containing words, like U+2121 ℡ (this is part of the unit test), and one common case: the German sharp S (ß) is expanded to "ss". Change-Id: I1bdbdc908b958a89bf30e4bb648d65dfdd9097f8 Reviewed-by: Konstantin Ritt <ritt.ks@gmail.com>
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@ -1472,7 +1472,8 @@ static void mapToLowerCase(QString *str, int from)
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if (uc <= 0xffff)
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if (uc <= 0xffff)
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str->replace(i, 1, reinterpret_cast<const QChar *>(&entry->mapping[0]), l);
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str->replace(i, 1, reinterpret_cast<const QChar *>(&entry->mapping[0]), l);
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else
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else
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str->replace(i-1, 2, reinterpret_cast<const QChar *>(&entry->mapping[0]), l);
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str->replace(--i, 2, reinterpret_cast<const QChar *>(&entry->mapping[0]), l);
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i += l - 1;
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d = 0;
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d = 0;
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} else {
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} else {
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if (!d)
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if (!d)
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