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-rw-r--r--include/base.h34
1 files changed, 34 insertions, 0 deletions
diff --git a/include/base.h b/include/base.h
index 3fa0dac6d..e41f520f5 100644
--- a/include/base.h
+++ b/include/base.h
@@ -79,6 +79,26 @@ public:
*/
return this->Extension_Items.insert(std::make_pair(key, (char*)p)).second;
}
+
+ /** Extend an Extensible class.
+ *
+ * @param key The key parameter is an arbitary string which identifies the extension data
+ *
+ * You must provide a key to store the data as via the parameter 'key', this single-parameter
+ * version takes no 'data' parameter, this is used purely for boolean values.
+ * The key will be inserted into the map with a NULL 'data' pointer. If the key already exists
+ * then you may not insert it twice, Extensible::Extend will return false in this case.
+ *
+ * @return Returns true on success, false if otherwise
+ */
+ bool Extend(const std::string &key)
+ {
+ /* This will only add an item if it doesnt already exist,
+ * the return value is a std::pair of an iterator to the
+ * element, and a bool saying if it was actually inserted.
+ */
+ return this->Extension_Items.insert(std::make_pair(key, (char*)NULL)).second;
+ }
/** Shrink an Extensible class.
*
@@ -110,6 +130,20 @@ public:
return false;
}
}
+
+ /** Get an extension item.
+ *
+ * @param key The key parameter is an arbitary string which identifies the extension data
+ * @return Returns true if the item was found and false if it was not.
+ *
+ * This single-parameter version only checks if the key exists, it does nothing with
+ * the 'data' field and is probably only useful in conjunction with the single-parameter
+ * version of Extend().
+ */
+ bool GetExt(const std::string &key)
+ {
+ return (this->Extension_Items.find(key) != this->Extension_Items.end());
+ }
/** Get a list of all extension items names.
* @param list A deque of strings to receive the list