+/** Types of data in the core config
+ */
+enum ConfigDataType
+{
+ DT_NOTHING = 0, /* No data */
+ DT_INTEGER = 1, /* Integer */
+ DT_CHARPTR = 2, /* Char pointer */
+ DT_BOOLEAN = 3, /* Boolean */
+ DT_HOSTNAME = 4, /* Hostname syntax */
+ DT_NOSPACES = 5, /* No spaces */
+ DT_IPADDRESS = 6, /* IP address (v4, v6) */
+ DT_CHANNEL = 7, /* Channel name */
+ DT_ALLOW_WILD = 64, /* Allow wildcards/CIDR in DT_IPADDRESS */
+ DT_ALLOW_NEWLINE = 128, /* New line characters allowed in DT_CHARPTR */
+ DT_BOOTONLY = 256 /* Can only be set on startup, not on rehash */
+};
+
+/** The maximum number of values in a core configuration tag. Can be increased if needed.
+ */
+#define MAX_VALUES_PER_TAG 18
+
+/** Holds a config value, either string, integer or boolean.
+ * Callback functions receive one or more of these, either on
+ * their own as a reference, or in a reference to a deque of them.
+ * The callback function can then alter the values of the ValueItem
+ * classes to validate the settings.
+ */
+class ValueItem
+{
+ /** Actual data */
+ std::string v;
+ public:
+ /** Initialize with an int */
+ ValueItem(int value);
+ /** Initialize with a bool */
+ ValueItem(bool value);
+ /** Initialize with a char pointer */
+ ValueItem(const char* value);
+ /** Change value to a char pointer */
+ void Set(const char* val);
+ /** Change value to an int */
+ void Set(int value);
+ /** Get value as an int */
+ int GetInteger();
+ /** Get value as a string */
+ char* GetString();
+ /** Get value as a bool */
+ bool GetBool();
+};
+
+/** The base class of the container 'ValueContainer'
+ * used internally by the core to hold core values.
+ */
+class ValueContainerBase
+{
+ public:
+ /** Constructor */
+ ValueContainerBase() { }
+ /** Destructor */
+ virtual ~ValueContainerBase() { }
+};
+
+/** ValueContainer is used to contain pointers to different
+ * core values such as the server name, maximum number of
+ * clients etc.
+ * It is specialized to hold a data type, then pointed at
+ * a value in the ServerConfig class. When the value has been
+ * read and validated, the Set method is called to write the
+ * value safely in a type-safe manner.
+ */
+template<typename T> class ValueContainer : public ValueContainerBase
+{
+ /** Contained item */
+ T val;
+ public:
+
+ /** Initialize with nothing */
+ ValueContainer()
+ {
+ val = NULL;
+ }
+
+ /** Initialize with a value of type T */
+ ValueContainer(T Val)
+ {
+ val = Val;
+ }
+
+ /** Change value to type T of size s */
+ void Set(T newval, size_t s)
+ {
+ memcpy(val, newval, s);
+ }
+};
+
+/** A specialization of ValueContainer to hold a pointer to a bool
+ */
+typedef ValueContainer<bool*> ValueContainerBool;
+
+/** A specialization of ValueContainer to hold a pointer to
+ * an unsigned int
+ */
+typedef ValueContainer<unsigned int*> ValueContainerUInt;
+
+/** A specialization of ValueContainer to hold a pointer to
+ * a char array.
+ */
+typedef ValueContainer<char*> ValueContainerChar;
+
+/** A specialization of ValueContainer to hold a pointer to
+ * an int
+ */
+typedef ValueContainer<int*> ValueContainerInt;
+
+typedef ValueContainer<size_t*> ValueContainerST;