mirror of
https://github.com/OpenMW/openmw.git
synced 2025-10-23 04:56:42 +00:00
243b5b6666
The old code was legal, and the things it did worked in other places, so should have worked here, too. Hopefully just rearranging stuff convinces what I assume to be a compiler bug to not happen.
587 lines
20 KiB
C++
587 lines
20 KiB
C++
#include "gamesettings.hpp"
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#include <QDir>
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#include <QRegularExpression>
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#include <components/files/configurationmanager.hpp>
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#include <components/files/qtconversion.hpp>
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#include <components/misc/utf8qtextstream.hpp>
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const char Config::GameSettings::sArchiveKey[] = "fallback-archive";
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const char Config::GameSettings::sContentKey[] = "content";
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const char Config::GameSettings::sDirectoryKey[] = "data";
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namespace
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{
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template <typename T>
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QList<T> reverse(QList<T> values)
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{
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std::reverse(values.begin(), values.end());
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return values;
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}
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}
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Config::GameSettings::GameSettings(const Files::ConfigurationManager& cfg)
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: mCfgMgr(cfg)
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{
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}
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void Config::GameSettings::validatePaths()
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{
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QList<SettingValue> paths = mSettings.values(QString("data"));
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mDataDirs.clear();
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for (const auto& dataDir : paths)
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{
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if (QDir(dataDir.value).exists())
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mDataDirs.append(dataDir);
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}
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// Do the same for data-local
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const QString& local = mSettings.value(QString("data-local")).value;
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if (!local.isEmpty() && QDir(local).exists())
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mDataLocal = local;
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}
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QString Config::GameSettings::getResourcesVfs() const
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{
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QString resources = mSettings.value(QString("resources"), { "./resources", "", "" }).value;
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resources += "/vfs";
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return QFileInfo(resources).canonicalFilePath();
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}
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QList<Config::SettingValue> Config::GameSettings::values(
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const QString& key, const QList<SettingValue>& defaultValues) const
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{
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if (!mSettings.values(key).isEmpty())
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return mSettings.values(key);
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return defaultValues;
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}
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bool Config::GameSettings::containsValue(const QString& key, const QString& value) const
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{
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auto [itr, end] = mSettings.equal_range(key);
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while (itr != end)
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{
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if (itr->value == value)
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return true;
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++itr;
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}
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return false;
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}
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bool Config::GameSettings::readFile(QTextStream& stream, const QString& context, bool ignoreContent)
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{
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if (readFile(stream, mSettings, context, ignoreContent))
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{
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mContexts.push_back(context);
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return true;
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}
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return false;
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}
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bool Config::GameSettings::readUserFile(QTextStream& stream, const QString& context, bool ignoreContent)
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{
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return readFile(stream, mUserSettings, context, ignoreContent);
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}
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bool Config::GameSettings::readFile(
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QTextStream& stream, QMultiMap<QString, SettingValue>& settings, const QString& context, bool ignoreContent)
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{
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QMultiMap<QString, SettingValue> cache;
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QRegularExpression replaceRe("^\\s*replace\\s*=\\s*(.+)$");
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QRegularExpression keyRe("^([^=]+)\\s*=\\s*(.+)$");
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auto initialPos = stream.pos();
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while (!stream.atEnd())
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{
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QString line = stream.readLine();
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if (line.isEmpty() || line.startsWith("#"))
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continue;
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QRegularExpressionMatch match = replaceRe.match(line);
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if (match.hasMatch())
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{
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QString key = match.captured(1).trimmed();
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// Replace composing entries with a replace= line
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if (key == QLatin1String("config") || key == QLatin1String("replace") || key == QLatin1String("data")
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|| key == QLatin1String("fallback-archive") || key == QLatin1String("content")
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|| key == QLatin1String("groundcover") || key == QLatin1String("script-blacklist")
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|| key == QLatin1String("fallback"))
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settings.remove(key);
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}
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}
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stream.seek(initialPos);
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while (!stream.atEnd())
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{
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QString line = stream.readLine();
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if (line.isEmpty() || line.startsWith("#"))
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continue;
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QRegularExpressionMatch match = keyRe.match(line);
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if (match.hasMatch())
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{
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QString key = match.captured(1).trimmed();
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SettingValue value{ match.captured(2).trimmed(), value.value, context };
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// Don't remove composing entries
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if (key != QLatin1String("config") && key != QLatin1String("replace") && key != QLatin1String("data")
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&& key != QLatin1String("fallback-archive") && key != QLatin1String("content")
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&& key != QLatin1String("groundcover") && key != QLatin1String("script-blacklist")
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&& key != QLatin1String("fallback"))
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settings.remove(key);
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if (key == QLatin1String("config") || key == QLatin1String("user-data") || key == QLatin1String("resources")
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|| key == QLatin1String("data") || key == QLatin1String("data-local")
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|| key == QLatin1String("load-savegame"))
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{
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// Path line (e.g. 'data=...'), so needs processing to deal with ampersands and quotes
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// The following is based on boost::io::detail::quoted_manip.hpp, but we don't actually use
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// boost::filesystem::path anymore, and use a custom class MaybeQuotedPath which uses Boost-like quoting
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// rules but internally stores as a std::filesystem::path.
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// Caution: This is intentional behaviour to duplicate how Boost and what we replaced it with worked,
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// and we rely on that.
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QChar delim = '\"';
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QChar escape = '&';
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if (value.value.at(0) == delim)
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{
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QString valueOriginal = value.value;
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value.value = "";
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for (QString::const_iterator it = valueOriginal.begin() + 1; it != valueOriginal.end(); ++it)
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{
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if (*it == escape)
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++it;
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else if (*it == delim)
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break;
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value.value += *it;
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}
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value.originalRepresentation = value.value;
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}
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std::filesystem::path path = Files::pathFromQString(value.value);
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mCfgMgr.processPath(path, Files::pathFromQString(context));
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value.value = Files::pathToQString(path);
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}
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if (ignoreContent && (key == QLatin1String("content") || key == QLatin1String("data")))
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continue;
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QList<SettingValue> values = cache.values(key);
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values.append(settings.values(key));
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bool exists = false;
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for (const auto& existingValue : values)
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{
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if (existingValue.value == value.value)
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{
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exists = true;
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break;
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}
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}
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if (!exists)
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{
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cache.insert(key, value);
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}
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}
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}
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if (settings.isEmpty())
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{
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settings = cache; // This is the first time we read a file
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validatePaths();
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return true;
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}
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// Merge the changed keys with those which didn't
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settings.unite(cache);
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validatePaths();
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return true;
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}
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bool Config::GameSettings::writeFile(QTextStream& stream)
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{
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// Iterate in reverse order to preserve insertion order
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auto i = mUserSettings.end();
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while (i != mUserSettings.begin())
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{
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i--;
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// path lines (e.g. 'data=...') need quotes and ampersands escaping to match how boost::filesystem::path uses
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// boost::io::quoted
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// We don't actually use boost::filesystem::path anymore, but use a custom class MaybeQuotedPath which uses
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// Boost-like quoting rules but internally stores as a std::filesystem::path.
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// Caution: This is intentional behaviour to duplicate how Boost and what we replaced it with worked, and we
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// rely on that.
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if (i.key() == QLatin1String("config") || i.key() == QLatin1String("user-data")
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|| i.key() == QLatin1String("resources") || i.key() == QLatin1String("data")
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|| i.key() == QLatin1String("data-local") || i.key() == QLatin1String("load-savegame"))
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{
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stream << i.key() << "=";
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// Equivalent to stream << std::quoted(i.value(), '"', '&'), which won't work on QStrings.
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QChar delim = '\"';
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QChar escape = '&';
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QString string = i.value().originalRepresentation;
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stream << delim;
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for (auto& it : string)
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{
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if (it == delim || it == escape)
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stream << escape;
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stream << it;
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}
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stream << delim;
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stream << '\n';
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continue;
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}
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stream << i.key() << "=" << i.value().originalRepresentation << "\n";
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}
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return true;
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}
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bool Config::GameSettings::isOrderedLine(const QString& line)
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{
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return line.contains(QRegularExpression("^\\s*fallback-archive\\s*="))
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|| line.contains(QRegularExpression("^\\s*fallback\\s*="))
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|| line.contains(QRegularExpression("^\\s*data\\s*="))
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|| line.contains(QRegularExpression("^\\s*data-local\\s*="))
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|| line.contains(QRegularExpression("^\\s*resources\\s*="))
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|| line.contains(QRegularExpression("^\\s*groundcover\\s*="))
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|| line.contains(QRegularExpression("^\\s*content\\s*="));
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}
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// Policy:
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//
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// - Always ignore a line beginning with '#' or empty lines; added above a config
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// entry.
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//
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// - If a line in file exists with matching key and first part of value (before ',',
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// '\n', etc) also matches, then replace the line with that of mUserSettings.
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// - else remove line
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//
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// - If there is no corresponding line in file, add at the end
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//
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// - Removed content items are saved as comments if the item had any comments.
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// Content items prepended with '##' are considered previously removed.
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//
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bool Config::GameSettings::writeFileWithComments(QFile& file)
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{
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QTextStream stream(&file);
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Misc::ensureUtf8Encoding(stream);
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// slurp
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std::vector<QString> fileCopy;
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QString line = stream.readLine();
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while (!line.isNull())
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{
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fileCopy.push_back(line);
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line = stream.readLine();
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}
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stream.seek(0);
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// empty file, no comments to keep
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if (fileCopy.empty())
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return writeFile(stream);
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// start
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// |
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// | +----------------------------------------------------------+
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// | | |
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// v v |
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// skip non-"ordered" lines (remove "ordered" lines) |
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// | ^ |
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// | | |
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// | non-"ordered" line, write saved comments |
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// | ^ |
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// v | |
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// blank or comment line, save in temp buffer <--------+ |
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// | | | |
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// | +------- comment line ------+ |
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// v (special processing '##') |
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// "ordered" line |
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// | |
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// v |
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// save in a separate map of comments keyed by "ordered" line |
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// | |
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// +----------------------------------------------------------+
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//
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//
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QRegularExpression settingRegex("^([^=]+)\\s*=\\s*([^,]+)(.*)$");
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std::vector<QString> comments;
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auto commentStart = fileCopy.end();
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std::map<QString, std::vector<QString>> commentsMap;
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for (auto iter = fileCopy.begin(); iter != fileCopy.end(); ++iter)
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{
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if (isOrderedLine(*iter))
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{
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// save in a separate map of comments keyed by "ordered" line
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if (!comments.empty())
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{
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QRegularExpressionMatch match = settingRegex.match(*iter);
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if (match.hasMatch())
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{
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commentsMap[match.captured(1) + "=" + match.captured(2)] = comments;
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comments.clear();
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commentStart = fileCopy.end();
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}
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// else do nothing, malformed line
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}
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*iter = QString(); // "ordered" lines to be removed later
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}
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else if ((*iter).isEmpty() || (*iter).contains(QRegularExpression("^\\s*#")))
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{
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// comment line, save in temp buffer
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if (comments.empty())
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commentStart = iter;
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// special removed content processing
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if ((*iter).contains(QRegularExpression("^##content\\s*=")))
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{
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if (!comments.empty())
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{
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commentsMap[*iter] = comments;
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comments.clear();
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commentStart = fileCopy.end();
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}
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}
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else
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comments.push_back(*iter);
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*iter = QString(); // assume to be deleted later
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}
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else
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{
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QRegularExpressionMatch match = settingRegex.match(*iter);
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// blank or non-"ordered" line, write saved comments
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if (!comments.empty() && match.hasMatch() && settingRegex.captureCount() >= 2
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&& mUserSettings.find(match.captured(1)) != mUserSettings.end())
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{
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if (commentStart == fileCopy.end())
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throw std::runtime_error(
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"Config::GameSettings: failed to parse settings - iterator is past of end of settings file");
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for (const auto& comment : comments)
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{
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*commentStart = comment;
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++commentStart;
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}
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comments.clear();
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commentStart = fileCopy.end();
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}
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// keep blank lines and non-"ordered" lines other than comments
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// look for a key in the line
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if (!match.hasMatch() || settingRegex.captureCount() < 2)
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{
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// no key or first part of value found in line, replace with a null string which
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// will be removed later
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*iter = QString();
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comments.clear();
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commentStart = fileCopy.end();
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continue;
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}
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// look for a matching key in user settings
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*iter = QString(); // assume no match
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QString key = match.captured(1);
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QString keyVal = match.captured(1) + "=" + match.captured(2);
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QMultiMap<QString, SettingValue>::const_iterator i = mUserSettings.find(key);
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while (i != mUserSettings.end() && i.key() == key)
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{
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// todo: does this need to handle paths?
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QString settingLine = i.key() + "=" + i.value().originalRepresentation;
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QRegularExpressionMatch keyMatch = settingRegex.match(settingLine);
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if (keyMatch.hasMatch())
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{
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if ((keyMatch.captured(1) + "=" + keyMatch.captured(2)) == keyVal)
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{
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*iter = std::move(settingLine);
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break;
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}
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}
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++i;
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}
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}
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}
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// comments at top of file
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for (auto& iter : fileCopy)
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{
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if (iter.isNull())
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continue;
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// Below is based on readFile() code, if that changes corresponding change may be
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// required (for example duplicates may be inserted if the rules don't match)
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if (/*(*iter).isEmpty() ||*/ iter.contains(QRegularExpression("^\\s*#")))
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{
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stream << iter << "\n";
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continue;
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}
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}
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// Iterate in reverse order to preserve insertion order
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QString settingLine;
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auto it = mUserSettings.end();
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while (it != mUserSettings.begin())
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{
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it--;
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// path lines (e.g. 'data=...') need quotes and ampersands escaping to match how boost::filesystem::path uses
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// boost::io::quoted
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// We don't actually use boost::filesystem::path anymore, but use a custom class MaybeQuotedPath which uses
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// Boost-like quoting rules but internally stores as a std::filesystem::path.
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// Caution: This is intentional behaviour to duplicate how Boost and what we replaced it with worked, and we
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// rely on that.
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if (it.key() == QLatin1String("config") || it.key() == QLatin1String("user-data")
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|| it.key() == QLatin1String("resources") || it.key() == QLatin1String("data")
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|| it.key() == QLatin1String("data-local") || it.key() == QLatin1String("load-savegame"))
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{
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settingLine = it.key() + "=";
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// Equivalent to settingLine += std::quoted(it.value(), '"', '&'), which won't work on QStrings.
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QChar delim = '\"';
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QChar escape = '&';
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QString string = it.value().originalRepresentation;
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settingLine += delim;
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for (auto& iter : string)
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{
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if (iter == delim || iter == escape)
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settingLine += escape;
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settingLine += iter;
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}
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settingLine += delim;
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}
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else
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settingLine = it.key() + "=" + it.value().originalRepresentation;
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QRegularExpressionMatch match = settingRegex.match(settingLine);
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if (match.hasMatch())
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{
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auto i = commentsMap.find(match.captured(1) + "=" + match.captured(2));
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// check if previous removed content item with comments
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if (i == commentsMap.end())
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i = commentsMap.find("##" + match.captured(1) + "=" + match.captured(2));
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if (i != commentsMap.end())
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{
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std::vector<QString> cLines = i->second;
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for (const auto& cLine : cLines)
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stream << cLine << "\n";
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commentsMap.erase(i);
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}
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}
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stream << settingLine << "\n";
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}
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// flush any removed settings
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if (!commentsMap.empty())
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{
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auto i = commentsMap.begin();
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for (; i != commentsMap.end(); ++i)
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{
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if (i->first.contains(QRegularExpression("^\\s*content\\s*=")))
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{
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std::vector<QString> cLines = i->second;
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for (const auto& cLine : cLines)
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stream << cLine << "\n";
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// mark the content line entry for future preocessing
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stream << "##" << i->first << "\n";
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// commentsMap.erase(i);
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}
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}
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}
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// flush any end comments
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if (!comments.empty())
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{
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for (const auto& comment : comments)
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stream << comment << "\n";
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}
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file.resize(file.pos());
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return true;
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}
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bool Config::GameSettings::hasMaster()
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{
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bool result = false;
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QList<SettingValue> content = mSettings.values(QString(Config::GameSettings::sContentKey));
|
|
for (int i = 0; i < content.count(); ++i)
|
|
{
|
|
if (content.at(i).value.endsWith(QLatin1String(".omwgame"), Qt::CaseInsensitive)
|
|
|| content.at(i).value.endsWith(QLatin1String(".esm"), Qt::CaseInsensitive))
|
|
{
|
|
result = true;
|
|
break;
|
|
}
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
void Config::GameSettings::setContentList(
|
|
const QList<SettingValue>& dirNames, const QList<SettingValue>& archiveNames, const QStringList& fileNames)
|
|
{
|
|
remove(sDirectoryKey);
|
|
for (auto const& item : dirNames)
|
|
setMultiValue(sDirectoryKey, item);
|
|
remove(sArchiveKey);
|
|
for (auto const& item : archiveNames)
|
|
setMultiValue(sArchiveKey, item);
|
|
remove(sContentKey);
|
|
for (auto const& item : fileNames)
|
|
setMultiValue(sContentKey, { item });
|
|
}
|
|
|
|
QList<Config::SettingValue> Config::GameSettings::getDataDirs() const
|
|
{
|
|
return reverse(mDataDirs);
|
|
}
|
|
|
|
QList<Config::SettingValue> Config::GameSettings::getArchiveList() const
|
|
{
|
|
// QMap returns multiple rows in LIFO order, so need to reverse
|
|
return reverse(values(sArchiveKey));
|
|
}
|
|
|
|
QList<Config::SettingValue> Config::GameSettings::getContentList() const
|
|
{
|
|
// QMap returns multiple rows in LIFO order, so need to reverse
|
|
return reverse(values(sContentKey));
|
|
}
|
|
|
|
bool Config::GameSettings::isUserSetting(const SettingValue& settingValue) const
|
|
{
|
|
return settingValue.context.isEmpty() || settingValue.context == getUserContext();
|
|
}
|
|
|
|
void Config::GameSettings::clear()
|
|
{
|
|
mSettings.clear();
|
|
mContexts.clear();
|
|
mUserSettings.clear();
|
|
mDataDirs.clear();
|
|
mDataLocal.clear();
|
|
}
|