Add PList::Dictionary::const_iterator

... and const versions of three member functions, each returning const_iterator:
* Plist::Dictionary::Begin()
* PList::Dictionary::End()
* PList::Dictionary::Find()

1 files changed, 4 insertions, 0 deletions

diff --git a/include/plist/Dictionary.h b/include/plist/Dictionary.h
index 7a29f14..71d40ac 100644
--- a/include/plist/Dictionary.h
+++ b/include/plist/Dictionary.h
@@ -41,11 +41,15 @@ public :
     Node* Clone() const;
 
     typedef std::map<std::string,Node*>::iterator iterator;
+    typedef std::map<std::string,Node*>::const_iterator const_iterator;
 
     Node* operator[](const std::string& key);
     iterator Begin();
     iterator End();
     iterator Find(const std::string& key);
+    const_iterator Begin() const;
+    const_iterator End() const;
+    const_iterator Find(const std::string& key) const;
     iterator Set(const std::string& key, const Node* node);
     iterator Set(const std::string& key, const Node& node);
     iterator Insert(const std::string& key, Node* node) PLIST_WARN_DEPRECATED("use Set() instead");