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author | Petr Mrázek <peterix@gmail.com> | 2016-04-10 04:29:29 +0200 |
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committer | Petr Mrázek <peterix@gmail.com> | 2016-04-30 23:59:23 +0200 |
commit | 47e37635f50c09b4f9a9ee7699e3120bab3e4088 (patch) | |
tree | 061c2f675fb7e244ebe4b54ef206bfbd615c91f8 /libraries/logic/Version.cpp | |
parent | fcd4a482f759cd58ee319a51082d0146b7e426e2 (diff) | |
download | PrismLauncher-47e37635f50c09b4f9a9ee7699e3120bab3e4088.tar.gz PrismLauncher-47e37635f50c09b4f9a9ee7699e3120bab3e4088.tar.bz2 PrismLauncher-47e37635f50c09b4f9a9ee7699e3120bab3e4088.zip |
NOISSUE split GUI stuff from logic library
Diffstat (limited to 'libraries/logic/Version.cpp')
-rw-r--r-- | libraries/logic/Version.cpp | 140 |
1 files changed, 140 insertions, 0 deletions
diff --git a/libraries/logic/Version.cpp b/libraries/logic/Version.cpp new file mode 100644 index 00000000..3c4727ad --- /dev/null +++ b/libraries/logic/Version.cpp @@ -0,0 +1,140 @@ +#include "Version.h" + +#include <QStringList> +#include <QUrl> +#include <QRegularExpression> +#include <QRegularExpressionMatch> + +Version::Version(const QString &str) : m_string(str) +{ + parse(); +} + +bool Version::operator<(const Version &other) const +{ + const int size = qMax(m_sections.size(), other.m_sections.size()); + for (int i = 0; i < size; ++i) + { + const Section sec1 = (i >= m_sections.size()) ? Section("0") : m_sections.at(i); + const Section sec2 = + (i >= other.m_sections.size()) ? Section("0") : other.m_sections.at(i); + if (sec1 != sec2) + { + return sec1 < sec2; + } + } + + return false; +} +bool Version::operator<=(const Version &other) const +{ + return *this < other || *this == other; +} +bool Version::operator>(const Version &other) const +{ + const int size = qMax(m_sections.size(), other.m_sections.size()); + for (int i = 0; i < size; ++i) + { + const Section sec1 = (i >= m_sections.size()) ? Section("0") : m_sections.at(i); + const Section sec2 = + (i >= other.m_sections.size()) ? Section("0") : other.m_sections.at(i); + if (sec1 != sec2) + { + return sec1 > sec2; + } + } + + return false; +} +bool Version::operator>=(const Version &other) const +{ + return *this > other || *this == other; +} +bool Version::operator==(const Version &other) const +{ + const int size = qMax(m_sections.size(), other.m_sections.size()); + for (int i = 0; i < size; ++i) + { + const Section sec1 = (i >= m_sections.size()) ? Section("0") : m_sections.at(i); + const Section sec2 = + (i >= other.m_sections.size()) ? Section("0") : other.m_sections.at(i); + if (sec1 != sec2) + { + return false; + } + } + + return true; +} +bool Version::operator!=(const Version &other) const +{ + return !operator==(other); +} + +void Version::parse() +{ + m_sections.clear(); + + QStringList parts = m_string.split('.'); + + for (const auto part : parts) + { + m_sections.append(Section(part)); + } +} + +bool versionIsInInterval(const QString &version, const QString &interval) +{ + return versionIsInInterval(Version(version), interval); +} +bool versionIsInInterval(const Version &version, const QString &interval) +{ + if (interval.isEmpty() || version.toString() == interval) + { + return true; + } + + // Interval notation is used + QRegularExpression exp( + "(?<start>[\\[\\]\\(\\)])(?<bottom>.*?)(,(?<top>.*?))?(?<end>[\\[\\]\\(\\)]),?"); + QRegularExpressionMatch match = exp.match(interval); + if (match.hasMatch()) + { + const QChar start = match.captured("start").at(0); + const QChar end = match.captured("end").at(0); + const QString bottom = match.captured("bottom"); + const QString top = match.captured("top"); + + // check if in range (bottom) + if (!bottom.isEmpty()) + { + const auto bottomVersion = Version(bottom); + if ((start == '[') && !(version >= bottomVersion)) + { + return false; + } + else if ((start == '(') && !(version > bottomVersion)) + { + return false; + } + } + + // check if in range (top) + if (!top.isEmpty()) + { + const auto topVersion = Version(top); + if ((end == ']') && !(version <= topVersion)) + { + return false; + } + else if ((end == ')') && !(version < topVersion)) + { + return false; + } + } + + return true; + } + + return false; +} |