+/** BoolSet is a utility class designed to hold eight bools in a bitmask.
+ * Use BoolSet::Set and BoolSet::Get to set and get bools in the bitmask,
+ * and Unset and Invert for special operations upon them.
+ */
+class CoreExport BoolSet : public classbase
+{
+ /** Actual bit values */
+ char bits;
+
+ public:
+
+ /** The default constructor initializes the BoolSet to all values unset.
+ */
+ BoolSet();
+
+ /** This constructor copies the default bitmask from a char
+ */
+ BoolSet(char bitmask);
+
+ /** The Set method sets one bool in the set.
+ *
+ * @param number The number of the item to set. This must be between 0 and 7.
+ */
+ void Set(int number);
+
+ /** The Get method returns the value of one bool in the set
+ *
+ * @param number The number of the item to retrieve. This must be between 0 and 7.
+ *
+ * @return True if the item is set, false if it is unset.
+ */
+ bool Get(int number);
+
+ /** The Unset method unsets one value in the set
+ *
+ * @param number The number of the item to set. This must be between 0 and 7.
+ */
+ void Unset(int number);
+
+ /** The Unset method inverts (flips) one value in the set
+ *
+ * @param number The number of the item to invert. This must be between 0 and 7.
+ */
+ void Invert(int number);
+
+ /** Compare two BoolSets
+ */
+ bool operator==(BoolSet other);
+
+ /** OR two BoolSets together
+ */
+ BoolSet operator|(BoolSet other);
+
+ /** AND two BoolSets together
+ */
+ BoolSet operator&(BoolSet other);
+
+ /** Assign one BoolSet to another
+ */
+ bool operator=(BoolSet other);
+};
+
+/** This class can be used on its own to represent an exception, or derived to represent a module-specific exception.
+ * When a module whishes to abort, e.g. within a constructor, it should throw an exception using ModuleException or
+ * a class derived from ModuleException. If a module throws an exception during its constructor, the module will not
+ * be loaded. If this happens, the error message returned by ModuleException::GetReason will be displayed to the user
+ * attempting to load the module, or dumped to the console if the ircd is currently loading for the first time.
+ */
+class CoreExport CoreException : public std::exception
+{
+ protected:
+ /** Holds the error message to be displayed
+ */
+ const std::string err;
+ /** Source of the exception
+ */
+ const std::string source;
+ public:
+ /** Default constructor, just uses the error mesage 'Core threw an exception'.
+ */
+ CoreException() : err("Core threw an exception"), source("The core") {}
+ /** This constructor can be used to specify an error message before throwing.
+ */
+ CoreException(const std::string &message) : err(message), source("The core") {}
+ /** This constructor can be used to specify an error message before throwing,
+ * and to specify the source of the exception.
+ */
+ CoreException(const std::string &message, const std::string &src) : err(message), source(src) {}
+ /** This destructor solves world hunger, cancels the world debt, and causes the world to end.
+ * Actually no, it does nothing. Never mind.
+ * @throws Nothing!
+ */
+ virtual ~CoreException() throw() {};
+ /** Returns the reason for the exception.
+ * The module should probably put something informative here as the user will see this upon failure.
+ */
+ virtual const char* GetReason()
+ {
+ return err.c_str();
+ }
+
+ virtual const char* GetSource()
+ {
+ return source.c_str();
+ }
+};