#include <vector>
#include <QCoreApplication>
+#include <QFile>
+#include <QObject>
#include <QLocale>
#include <QString>
+#include <QStringList>
#include "abstractcliparser.h"
class QFile;
-class Quassel
+class Quassel : public QObject
{
- Q_DECLARE_TR_FUNCTIONS(Quassel)
+ // TODO Qt5: Use Q_GADGET
+ Q_OBJECT
public:
enum RunMode {
QString organizationDomain;
};
- //! A list of features that are optional in core and/or client, but need runtime checking
- /** Some features require an uptodate counterpart, but don't justify a protocol break.
- * This is what we use this enum for. Add such features to it and check at runtime on the other
- * side for their existence.
+ /**
+ * This enum defines the optional features supported by cores/clients prior to version 0.13.
+ *
+ * Since the number of features declared this way is limited to 16 (due to the enum not having a defined
+ * width in cores/clients prior to 0.13), and for more robustness when negotiating features on connect,
+ * the bitfield-based representation was replaced by a string-based representation in 0.13, support for
+ * which is indicated by having the ExtendedFeatures flag set. Extended features are defined in the Feature
+ * enum.
+ *
+ * @warning Do not alter this enum; new features must be added (only) to the @a Feature enum.
*
- * This list should be cleaned up after every protocol break, as we can assume them to be present then.
+ * @sa Feature
*/
- enum Feature {
+ enum class LegacyFeature : quint32 {
SynchronizedMarkerLine = 0x0001,
- SaslAuthentication = 0x0002,
- SaslExternal = 0x0004,
- HideInactiveNetworks = 0x0008,
- PasswordChange = 0x0010,
- CapNegotiation = 0x0020, /// IRCv3 capability negotiation, account tracking
- VerifyServerSSL = 0x0040, /// IRC server SSL validation
- CustomRateLimits = 0x0080, /// IRC server custom message rate limits
- DccFileTransfer = 0x0100, /// DCC file transfer support (forcefully disabled for now)
- AwayFormatTimestamp = 0x0200, /// Timestamp formatting in away (e.g. %%hh:mm%%)
- Authenticators = 0x0400, /// Whether or not the core supports auth backends.
- BufferActivitySync = 0x0800, /// Sync buffer activity status
- CoreSideHighlights = 0x1000, /// Core-Side highlight configuration and matching
- SenderPrefixes = 0x2000, /// Show prefixes for senders in backlog
- RemoteDisconnect = 0x4000, /// Allow this peer to be remotely disconnected
-
- NumFeatures = 0x4000
+ SaslAuthentication = 0x0002,
+ SaslExternal = 0x0004,
+ HideInactiveNetworks = 0x0008,
+ PasswordChange = 0x0010,
+ CapNegotiation = 0x0020,
+ VerifyServerSSL = 0x0040,
+ CustomRateLimits = 0x0080,
+ // DccFileTransfer = 0x0100, // never in use
+ AwayFormatTimestamp = 0x0200,
+ Authenticators = 0x0400,
+ BufferActivitySync = 0x0800,
+ CoreSideHighlights = 0x1000,
+ SenderPrefixes = 0x2000,
+ RemoteDisconnect = 0x4000,
+ ExtendedFeatures = 0x8000,
};
- Q_DECLARE_FLAGS(Features, Feature)
+ Q_FLAGS(LegacyFeature)
+ Q_DECLARE_FLAGS(LegacyFeatures, LegacyFeature)
- //! The features the current version of Quassel supports (\sa Feature)
- /** \return An ORed list of all enum values in Feature
+ /**
+ * A list of features that are optional in core and/or client, but need runtime checking.
+ *
+ * Some features require an uptodate counterpart, but don't justify a protocol break.
+ * This is what we use this enum for. Add such features to it and check at runtime on the other
+ * side for their existence.
+ *
+ * For feature negotiation, these enum values are serialized as strings, so order does not matter. However,
+ * do not rename existing enum values to avoid breaking compatibility.
+ *
+ * This list should be cleaned up after every protocol break, as we can assume them to be present then.
*/
- static Features features();
+ enum class Feature : quint32 {
+ SynchronizedMarkerLine,
+ SaslAuthentication,
+ SaslExternal,
+ HideInactiveNetworks,
+ PasswordChange, ///< Remote password change
+ CapNegotiation, ///< IRCv3 capability negotiation, account tracking
+ VerifyServerSSL, ///< IRC server SSL validation
+ CustomRateLimits, ///< IRC server custom message rate limits
+ AwayFormatTimestamp, ///< Timestamp formatting in away (e.g. %%hh:mm%%)
+ Authenticators, ///< Whether or not the core supports auth backends
+ BufferActivitySync, ///< Sync buffer activity status
+ CoreSideHighlights, ///< Core-Side highlight configuration and matching
+ SenderPrefixes, ///< Show prefixes for senders in backlog
+ RemoteDisconnect, ///< Allow this peer to be remotely disconnected
+ ExtendedFeatures, ///< Extended features
+ };
+ Q_ENUMS(Feature)
+
+ class Features;
static Quassel *instance();
std::vector<QuitHandler> _quitHandlers;
};
+// --------------------------------------------------------------------------------------------------------------------
+
+/**
+ * Class representing a set of supported core/client features.
+ *
+ * @sa Quassel::Feature
+ */
+class Quassel::Features
+{
+public:
+ /**
+ * Default constructor.
+ *
+ * Creates a Feature instance with all known features (i.e., all values declared in the Quassel::Feature enum) set.
+ * This is useful for easily creating a Feature instance that represent the current version's capabilities.
+ */
+ Features();
+
+ /**
+ * Constructs a Feature instance holding the given list of features.
+ *
+ * Both the @a features and the @a legacyFeatures arguments are considered (additively).
+ * This is useful when receiving a list of features from another peer.
+ *
+ * @param features A list of strings matching values in the Quassel::Feature enum. Strings that don't match are
+ * can be accessed after construction via unknownFeatures(), but are otherwise ignored.
+ * @param legacyFeatures Holds a bit-wise combination of LegacyFeature flag values, which are each added to the list of
+ * features represented by this Features instance.
+ */
+ Features(const QStringList &features, LegacyFeatures legacyFeatures);
-Q_DECLARE_OPERATORS_FOR_FLAGS(Quassel::Features);
+ /**
+ * Check if a given feature is marked as enabled in this Features instance.
+ *
+ * @param feature The feature to be queried
+ * @returns Whether the given feature is marked as enabled
+ */
+ bool isEnabled(Feature feature) const;
+
+ /**
+ * Provides a list of all features marked as either enabled or disabled (as indicated by the @a enabled argument) as strings.
+ *
+ * @param enabled Whether to return the enabled or the disabled features
+ * @return A string list containing all enabled or disabled features
+ */
+ QStringList toStringList(bool enabled = true) const;
+
+ /**
+ * Provides a list of all enabled legacy features (i.e. features defined prior to v0.13) as bit-wise combination in a
+ * LegacyFeatures type.
+ *
+ * @note Extended features cannot be represented this way, and are thus ignored even if set.
+ * @return A LegacyFeatures type holding the bit-wise combination of all legacy features enabled in this Features instance
+ */
+ LegacyFeatures toLegacyFeatures() const;
+
+ /**
+ * Provides the list of strings that could not be mapped to Quassel::Feature enum values on construction.
+ *
+ * Useful for debugging/logging purposes.
+ *
+ * @returns A list of strings that could not be mapped to the Feature enum on construction of this Features instance, if any
+ */
+ QStringList unknownFeatures() const;
+
+private:
+ std::vector<bool> _features;
+ QStringList _unknownFeatures;
+};
projects / quassel.git / blobdiff