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Merge pull request #397 from flowln/windows_mod_updater_fixes_maybe

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Fixes https://github.com/PrismLauncher/PrismLauncher/issues/226
This commit is contained in:
Sefa Eyeoglu 2022-11-10 14:34:15 +01:00
parent 79617d0c50
commit 0120d170b7
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GPG key ID: C10411294912A422
21 changed files with 102 additions and 90 deletions
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76
launcher/StringUtils.cpp Normal file
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#include "StringUtils.h"
/// If you're wondering where these came from exactly, then know you're not the only one =D
/// TAKEN FROM Qt, because it doesn't expose it intelligently
static inline QChar getNextChar(const QString& s, int location)
{
return (location < s.length()) ? s.at(location) : QChar();
}
/// TAKEN FROM Qt, because it doesn't expose it intelligently
int StringUtils::naturalCompare(const QString& s1, const QString& s2, Qt::CaseSensitivity cs)
{
int l1 = 0, l2 = 0;
while (l1 <= s1.count() && l2 <= s2.count()) {
// skip spaces, tabs and 0's
QChar c1 = getNextChar(s1, l1);
while (c1.isSpace())
c1 = getNextChar(s1, ++l1);
QChar c2 = getNextChar(s2, l2);
while (c2.isSpace())
c2 = getNextChar(s2, ++l2);
if (c1.isDigit() && c2.isDigit()) {
while (c1.digitValue() == 0)
c1 = getNextChar(s1, ++l1);
while (c2.digitValue() == 0)
c2 = getNextChar(s2, ++l2);
int lookAheadLocation1 = l1;
int lookAheadLocation2 = l2;
int currentReturnValue = 0;
// find the last digit, setting currentReturnValue as we go if it isn't equal
for (QChar lookAhead1 = c1, lookAhead2 = c2; (lookAheadLocation1 <= s1.length() && lookAheadLocation2 <= s2.length());
lookAhead1 = getNextChar(s1, ++lookAheadLocation1), lookAhead2 = getNextChar(s2, ++lookAheadLocation2)) {
bool is1ADigit = !lookAhead1.isNull() && lookAhead1.isDigit();
bool is2ADigit = !lookAhead2.isNull() && lookAhead2.isDigit();
if (!is1ADigit && !is2ADigit)
break;
if (!is1ADigit)
return -1;
if (!is2ADigit)
return 1;
if (currentReturnValue == 0) {
if (lookAhead1 < lookAhead2) {
currentReturnValue = -1;
} else if (lookAhead1 > lookAhead2) {
currentReturnValue = 1;
}
}
}
if (currentReturnValue != 0)
return currentReturnValue;
}
if (cs == Qt::CaseInsensitive) {
if (!c1.isLower())
c1 = c1.toLower();
if (!c2.isLower())
c2 = c2.toLower();
}
int r = QString::localeAwareCompare(c1, c2);
if (r < 0)
return -1;
if (r > 0)
return 1;
l1 += 1;
l2 += 1;
}
// The two strings are the same (02 == 2) so fall back to the normal sort
return QString::compare(s1, s2, cs);
}