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authorDavid Robillard <d@drobilla.net>2007-07-26 08:30:11 +0000
committerDavid Robillard <d@drobilla.net>2007-07-26 08:30:11 +0000
commit9867aa08b2566800f81c8b2cdeff7372b2bb8c5b (patch)
tree3c9789b3ab40d11d73e76e16419c2b2ef43a0af3 /raul
parentffe8ccde2157ef802b7876cef9489904c02bcece (diff)
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Implement std::map[key] = value interface.
git-svn-id: http://svn.drobilla.net/lad/raul@632 a436a847-0d15-0410-975c-d299462d15a1
Diffstat (limited to 'raul')
-rw-r--r--raul/Table.hpp2
-rw-r--r--raul/TableImpl.hpp22
2 files changed, 24 insertions, 0 deletions
diff --git a/raul/Table.hpp b/raul/Table.hpp
index db5216f..0e78f2f 100644
--- a/raul/Table.hpp
+++ b/raul/Table.hpp
@@ -81,6 +81,8 @@ public:
const_iterator find(const K& key) const;
iterator find(const K& key);
+ T& operator[](const K& key);
+
const_iterator begin() const { return const_iterator(*this, 0); }
const_iterator end() const { return const_iterator(*this, size()); }
iterator begin() { return iterator(*this, 0); }
diff --git a/raul/TableImpl.hpp b/raul/TableImpl.hpp
index 35bf2f6..8fcba0b 100644
--- a/raul/TableImpl.hpp
+++ b/raul/TableImpl.hpp
@@ -140,6 +140,28 @@ Table<K,T>::insert(const std::pair<K, T>& entry)
return make_pair(iterator(*this, i), true);
}
+
+
+/** Insert an item, and return a reference to it's value.
+ *
+ * This may be used to insert values with pretty syntax:
+ *
+ * table["gorilla"] = "killa";
+ *
+ * T must have a default constructor for this to be possible.
+ */
+template <typename K, typename T>
+T&
+Table<K, T>::operator[](const K& key)
+{
+ iterator i = find(key);
+ if (i != end()) {
+ return i->second;
+ } else {
+ std::pair<iterator,bool> ret = insert(make_pair(key, T()));
+ return ret.first->second;
+ }
+}
template <typename K, typename T>