X-Git-Url: https://git.lyx.org/gitweb/?a=blobdiff_plain;f=src%2Fsupport%2Flimited_stack.h;h=b17eeae19dbca92efecaedff761a8f40d73d8744;hb=8d640dc77608bedddb5b00982c23665584f52d21;hp=f56d0c3ca621f430f9f1f80691c00254c0ce2259;hpb=525259940d40d08d3911e8b055f9e3a546267504;p=lyx.git

diff --git a/src/support/limited_stack.h b/src/support/limited_stack.h
index f56d0c3ca6..b17eeae19d 100644
--- a/src/support/limited_stack.h
+++ b/src/support/limited_stack.h
@@ -6,7 +6,7 @@
  *
  * \author John Levon
  *
- * Full author contact details are available in file CREDITS
+ * Full author contact details are available in file CREDITS.
  */
 
 #ifndef LIMITED_STACK_H
@@ -14,6 +14,9 @@
 
 #include <deque>
 
+
+namespace lyx {
+
 /**
  * limited_stack - A stack of limited size.
  *
@@ -26,6 +29,7 @@ public:
 	typedef std::deque<T> container_type;
 	typedef typename container_type::value_type value_type;
 	typedef typename container_type::size_type size_type;
+	typedef typename container_type::const_iterator const_iterator;
 
 	/// limit is the maximum size of the stack
 	limited_stack(size_type limit = 100) {
@@ -33,7 +37,7 @@ public:
 	}
 
 	/// Return the top element.
-	value_type top() {
+	value_type & top() {
 		return c_.front();
 	}
 
@@ -70,6 +74,15 @@ public:
 	size_type size() const {
 		return c_.size();
 	}
+
+	const_iterator begin() const {
+		return c_.begin();
+	}
+
+	const_iterator end() const {
+		return c_.end();
+	}
+
 private:
 	/// Internal contents.
 	container_type c_;
@@ -81,4 +94,7 @@ private:
 template <typename T>
 class limited_stack<T*>;
 
+
+} // namespace lyx
+
 #endif // LIMITED_STACK_H