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			500 lines
		
	
	
	
		
			16 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			500 lines
		
	
	
	
		
			16 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
#include "gamesettings.hpp"
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#include "launchersettings.hpp"
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#include <QTextCodec>
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#include <QDir>
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#include <QRegExp>
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#include <components/files/configurationmanager.hpp>
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const char Config::GameSettings::sContentKey[] = "content";
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Config::GameSettings::GameSettings(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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    QStringList paths = mSettings.values(QString("data"));
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    Files::PathContainer dataDirs;
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    for (const QString &path : paths)
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    {
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        QByteArray bytes = path.toUtf8();
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        dataDirs.push_back(Files::PathContainer::value_type(std::string(bytes.constData(), bytes.length())));
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    }
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    // Parse the data dirs to convert the tokenized paths
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    mCfgMgr.processPaths(dataDirs);
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    mDataDirs.clear();
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    for (auto & dataDir : dataDirs) {
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        QString path = QString::fromUtf8(dataDir.string().c_str());
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        QDir dir(path);
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        if (dir.exists())
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            mDataDirs.append(path);
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    }
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    // Do the same for data-local
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    QString local = mSettings.value(QString("data-local"));
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    if (local.length() && local.at(0) == QChar('\"'))
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    {
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        local.remove(0, 1);
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        local.chop(1);
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    }
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    if (local.isEmpty())
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        return;
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    dataDirs.clear();
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    QByteArray bytes = local.toUtf8();
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    dataDirs.push_back(Files::PathContainer::value_type(std::string(bytes.constData(), bytes.length())));
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    mCfgMgr.processPaths(dataDirs);
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    if (!dataDirs.empty()) {
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        QString path = QString::fromUtf8(dataDirs.front().string().c_str());
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        QDir dir(path);
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        if (dir.exists())
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            mDataLocal = path;
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    }
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}
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QStringList Config::GameSettings::values(const QString &key, const QStringList &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::readFile(QTextStream &stream)
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{
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    return readFile(stream, mSettings);
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}
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bool Config::GameSettings::readUserFile(QTextStream &stream)
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{
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    return readFile(stream, mUserSettings);
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}
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bool Config::GameSettings::readFile(QTextStream &stream, QMultiMap<QString, QString> &settings)
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{
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    QMultiMap<QString, QString> cache;
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    QRegExp keyRe("^([^=]+)\\s*=\\s*(.+)$");
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    while (!stream.atEnd()) {
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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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        if (keyRe.indexIn(line) != -1) {
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            QString key = keyRe.cap(1).trimmed();
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            QString value = keyRe.cap(2).trimmed();
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            // Don't remove composing entries
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            if (key != QLatin1String("data")
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                && key != QLatin1String("fallback-archive")
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                && key != QLatin1String("content")
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                && key != QLatin1String("groundcover")
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                && key != QLatin1String("script-blacklist"))
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                settings.remove(key);
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            if (key == QLatin1String("data")
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                || key == QLatin1String("data-local")
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                || key == QLatin1String("resources")
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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 calling those functions did not work as there are too may QStrings involved
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                QChar delim = '\"';
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                QChar escape = '&';
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                if (value.at(0) == delim)
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                {
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                    QString valueOriginal = value;
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                    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 += *it;
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                    }
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                }
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            }
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            QStringList values = cache.values(key);
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            values.append(settings.values(key));
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            if (!values.contains(value)) {
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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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        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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    QMapIterator<QString, QString> i(mUserSettings);
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    i.toBack();
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    while (i.hasPrevious()) {
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        i.previous();
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        // path lines (e.g. 'data=...') need quotes and ampersands escaping to match how boost::filesystem::path uses boost::io::quoted
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        if (i.key() == QLatin1String("data")
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            || i.key() == QLatin1String("data-local")
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            || i.key() == QLatin1String("resources")
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            || i.key() == QLatin1String("load-savegame"))
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        {
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            stream << i.key() << "=";
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            // The following is based on boost::io::detail::quoted_manip.hpp, but calling those functions did not work as there are too may QStrings involved
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            QChar delim = '\"';
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            QChar escape = '&';
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            QString string = i.value();
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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() << "\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(QRegExp("^\\s*fallback-archive\\s*="))
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           || line.contains(QRegExp("^\\s*fallback\\s*="))
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           || line.contains(QRegExp("^\\s*data\\s*="))
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           || line.contains(QRegExp("^\\s*data-local\\s*="))
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           || line.contains(QRegExp("^\\s*resources\\s*="))
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           || line.contains(QRegExp("^\\s*groundcover\\s*="))
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           || line.contains(QRegExp("^\\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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    stream.setCodec(QTextCodec::codecForName("UTF-8"));
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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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    QRegExp 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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                if (settingRegex.indexIn(*iter) != -1)
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                {
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                    commentsMap[settingRegex.cap(1)+"="+settingRegex.cap(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(QRegExp("^\\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(QRegExp("^##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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            int index = settingRegex.indexIn(*iter);
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            // blank or non-"ordered" line, write saved comments
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            if (!comments.empty() && index != -1 && settingRegex.captureCount() >= 2 &&
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                mUserSettings.find(settingRegex.cap(1)) != mUserSettings.end())
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            {
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                if (commentStart == fileCopy.end())
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                    throw std::runtime_error("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 (index == -1 || 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 remved 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 = settingRegex.cap(1);
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            QString keyVal = settingRegex.cap(1)+"="+settingRegex.cap(2);
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            QMultiMap<QString, QString>::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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                QString settingLine = i.key() + "=" + i.value();
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                if (settingRegex.indexIn(settingLine) != -1)
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                {
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                    if ((settingRegex.cap(1)+"="+settingRegex.cap(2)) == keyVal)
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                    {
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                        *iter = 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(QRegExp("^\\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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    QMapIterator<QString, QString> it(mUserSettings);
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    it.toBack();
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    while (it.hasPrevious())
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    {
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        it.previous();
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        if (it.key() == QLatin1String("data")
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            || it.key() == QLatin1String("data-local")
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            || it.key() == QLatin1String("resources")
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            || it.key() == QLatin1String("load-savegame"))
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        {
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            settingLine = it.key() + "=";
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            // The following is based on boost::io::detail::quoted_manip.hpp, but calling those functions did not work as there are too may QStrings involved
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            QChar delim = '\"';
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            QChar escape = '&';
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            QString string = it.value();
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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();
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        if (settingRegex.indexIn(settingLine) != -1)
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        {
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            auto i = commentsMap.find(settingRegex.cap(1)+"="+settingRegex.cap(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("##"+settingRegex.cap(1)+"="+settingRegex.cap(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(QRegExp("^\\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()
 | 
						|
{
 | 
						|
    bool result = false;
 | 
						|
    QStringList content = mSettings.values(QString(Config::GameSettings::sContentKey));
 | 
						|
    for (int i = 0; i < content.count(); ++i) 
 | 
						|
    {
 | 
						|
        if (content.at(i).endsWith(QLatin1String(".omwgame"), Qt::CaseInsensitive) || content.at(i).endsWith(QLatin1String(".esm"), Qt::CaseInsensitive)) 
 | 
						|
        {
 | 
						|
            result = true;
 | 
						|
            break;
 | 
						|
        }
 | 
						|
    }
 | 
						|
 | 
						|
    return result;
 | 
						|
}
 | 
						|
 | 
						|
void Config::GameSettings::setContentList(const QStringList& fileNames)
 | 
						|
{
 | 
						|
    remove(sContentKey);
 | 
						|
    for (const QString& fileName : fileNames)
 | 
						|
    {
 | 
						|
        setMultiValue(sContentKey, fileName);
 | 
						|
    }
 | 
						|
}
 | 
						|
 | 
						|
QStringList Config::GameSettings::getContentList() const
 | 
						|
{
 | 
						|
    // QMap returns multiple rows in LIFO order, so need to reverse
 | 
						|
    return Config::LauncherSettings::reverse(values(sContentKey));
 | 
						|
}
 | 
						|
 | 
						|
void Config::GameSettings::clear()
 | 
						|
{
 | 
						|
    mSettings.clear();
 | 
						|
    mUserSettings.clear();
 | 
						|
    mDataDirs.clear();
 | 
						|
    mDataLocal.clear();
 | 
						|
}
 | 
						|
 |