pollymc/launcher/minecraft/mod/Resource.cpp

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#include "Resource.h"
#include <QRegularExpression>
#include <QFileInfo>
#include "FileSystem.h"
Resource::Resource(QObject* parent) : QObject(parent) {}
Resource::Resource(QFileInfo file_info) : QObject()
{
setFile(file_info);
}
void Resource::setFile(QFileInfo file_info)
{
m_file_info = file_info;
parseFile();
}
void Resource::parseFile()
{
QString file_name{ m_file_info.fileName() };
m_type = ResourceType::UNKNOWN;
m_internal_id = file_name;
if (m_file_info.isDir()) {
m_type = ResourceType::FOLDER;
m_name = file_name;
} else if (m_file_info.isFile()) {
if (file_name.endsWith(".disabled")) {
file_name.chop(9);
m_enabled = false;
}
if (file_name.endsWith(".zip") || file_name.endsWith(".jar")) {
m_type = ResourceType::ZIPFILE;
file_name.chop(4);
} else if (file_name.endsWith(".nilmod")) {
m_type = ResourceType::ZIPFILE;
file_name.chop(7);
} else if (file_name.endsWith(".litemod")) {
m_type = ResourceType::LITEMOD;
file_name.chop(8);
} else {
m_type = ResourceType::SINGLEFILE;
}
m_name = file_name;
}
m_changed_date_time = m_file_info.lastModified();
}
static void removeThePrefix(QString& string)
{
QRegularExpression regex(QStringLiteral("^(?:the|teh) +"), QRegularExpression::CaseInsensitiveOption);
string.remove(regex);
string = string.trimmed();
}
std::pair<int, bool> Resource::compare(const Resource& other, SortType type) const
{
switch (type) {
default:
case SortType::ENABLED:
if (enabled() && !other.enabled())
return { 1, type == SortType::ENABLED };
if (!enabled() && other.enabled())
return { -1, type == SortType::ENABLED };
case SortType::NAME: {
QString this_name{ name() };
QString other_name{ other.name() };
removeThePrefix(this_name);
removeThePrefix(other_name);
auto compare_result = QString::compare(this_name, other_name, Qt::CaseInsensitive);
if (compare_result != 0)
return { compare_result, type == SortType::NAME };
}
case SortType::DATE:
if (dateTimeChanged() > other.dateTimeChanged())
return { 1, type == SortType::DATE };
if (dateTimeChanged() < other.dateTimeChanged())
return { -1, type == SortType::DATE };
}
return { 0, false };
}
bool Resource::applyFilter(QRegularExpression filter) const
{
return filter.match(name()).hasMatch();
}
bool Resource::enable(EnableAction action)
{
if (m_type == ResourceType::UNKNOWN || m_type == ResourceType::FOLDER)
return false;
QString path = m_file_info.absoluteFilePath();
QFile file(path);
bool enable = true;
switch (action) {
case EnableAction::ENABLE:
enable = true;
break;
case EnableAction::DISABLE:
enable = false;
break;
case EnableAction::TOGGLE:
default:
enable = !enabled();
break;
}
if (m_enabled == enable)
return false;
if (enable) {
// m_enabled is false, but there's no '.disabled' suffix.
// TODO: Report error?
if (!path.endsWith(".disabled"))
return false;
path.chop(9);
if (!file.rename(path))
return false;
} else {
path += ".disabled";
if (!file.rename(path))
return false;
}
setFile(QFileInfo(path));
m_enabled = enable;
return true;
}
bool Resource::destroy()
{
m_type = ResourceType::UNKNOWN;
if (FS::trash(m_file_info.filePath()))
return true;
return FS::deletePath(m_file_info.filePath());
}
bool Resource::isSymLinkUnder(const QString& instPath) const
{
if (isSymLink())
return true;
auto instDir = QDir(instPath);
auto relAbsPath = instDir.relativeFilePath(m_file_info.absoluteFilePath());
auto relCanonPath = instDir.relativeFilePath(m_file_info.canonicalFilePath());
return relAbsPath != relCanonPath;
}
bool Resource::isMoreThanOneHardLink() const
{
return FS::hardLinkCount(m_file_info.absoluteFilePath()) > 1;
}