From 9ad6eb11a37815f7aab89163184d519a2183f4f2 Mon Sep 17 00:00:00 2001 From: flow Date: Wed, 9 Nov 2022 14:14:25 -0300 Subject: [PATCH] refactor: fix CodeQL warnings in StringUtils::naturalCompare I have no idea why this function exists, so better to just let it exist. =D Signed-off-by: flow --- launcher/StringUtils.cpp | 40 ++++++++++++++++++++-------------------- 1 file changed, 20 insertions(+), 20 deletions(-) diff --git a/launcher/StringUtils.cpp b/launcher/StringUtils.cpp index 5ae58642..0f3c3669 100644 --- a/launcher/StringUtils.cpp +++ b/launcher/StringUtils.cpp @@ -1,26 +1,28 @@ #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) +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 StringUtils::naturalCompare(const QString& s1, const QString& s2, Qt::CaseSensitivity cs) { - for (int l1 = 0, l2 = 0; l1 <= s1.count() && l2 <= s2.count(); ++l1, ++l2) - { + 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()) - { + if (c1.isDigit() && c2.isDigit()) { while (c1.digitValue() == 0) c1 = getNextChar(s1, ++l1); while (c2.digitValue() == 0) @@ -30,11 +32,8 @@ int StringUtils::naturalCompare(const QString &s1, const QString &s2, Qt::CaseSe 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)) - { + 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) @@ -43,14 +42,10 @@ int StringUtils::naturalCompare(const QString &s1, const QString &s2, Qt::CaseSe return -1; if (!is2ADigit) return 1; - if (currentReturnValue == 0) - { - if (lookAhead1 < lookAhead2) - { + if (currentReturnValue == 0) { + if (lookAhead1 < lookAhead2) { currentReturnValue = -1; - } - else if (lookAhead1 > lookAhead2) - { + } else if (lookAhead1 > lookAhead2) { currentReturnValue = 1; } } @@ -58,19 +53,24 @@ int StringUtils::naturalCompare(const QString &s1, const QString &s2, Qt::CaseSe if (currentReturnValue != 0) return currentReturnValue; } - if (cs == Qt::CaseInsensitive) - { + + 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); }