added iOS source code

[wl-app.git] / iOS / Pods / Realm / include / core / realm / util / cf_ptr.hpp

diff --git a/iOS/Pods/Realm/include/core/realm/util/cf_ptr.hpp b/iOS/Pods/Realm/include/core/realm/util/cf_ptr.hpp
new file mode 100644 (file)
index 0000000..a1ec431
--- /dev/null
+++ b/iOS/Pods/Realm/include/core/realm/util/cf_ptr.hpp
@@ -0,0 +1,108 @@
+/*************************************************************************
+ *
+ * Copyright 2016 Realm Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ **************************************************************************/
+
+#ifndef REALM_UTIL_CF_PTR_HPP
+#define REALM_UTIL_CF_PTR_HPP
+
+#include <realm/util/assert.hpp>
+
+#if REALM_PLATFORM_APPLE
+
+#include <CoreFoundation/CoreFoundation.h>
+
+namespace realm {
+namespace util {
+
+template <class Ref>
+class CFPtr {
+public:
+    explicit CFPtr(Ref ref = nullptr) noexcept
+        : m_ref(ref)
+    {
+    }
+
+    CFPtr(CFPtr&& rg) noexcept
+        : m_ref(rg.m_ref)
+    {
+        rg.m_ref = nullptr;
+    }
+
+    ~CFPtr() noexcept
+    {
+        if (m_ref)
+            CFRelease(m_ref);
+    }
+
+    CFPtr& operator=(CFPtr&& rg) noexcept
+    {
+        REALM_ASSERT(!m_ref || m_ref != rg.m_ref);
+        if (m_ref)
+            CFRelease(m_ref);
+        m_ref = rg.m_ref;
+        rg.m_ref = nullptr;
+        return *this;
+    }
+
+    explicit operator bool() const noexcept
+    {
+        return bool(m_ref);
+    }
+
+    Ref get() const noexcept
+    {
+        return m_ref;
+    }
+
+    Ref release() noexcept
+    {
+        Ref ref = m_ref;
+        m_ref = nullptr;
+        return ref;
+    }
+
+    void reset(Ref ref = nullptr) noexcept
+    {
+        REALM_ASSERT(!m_ref || m_ref != ref);
+        if (m_ref)
+            CFRelease(m_ref);
+        m_ref = ref;
+    }
+
+private:
+    Ref m_ref;
+};
+
+template <class Ref>
+CFPtr<Ref> adoptCF(Ref ptr)
+{
+    return CFPtr<Ref>(ptr);
+}
+
+template <class Ref>
+CFPtr<Ref> retainCF(Ref ptr)
+{
+    CFRetain(ptr);
+    return CFPtr<Ref>(ptr);
+}
+}
+}
+
+
+#endif // REALM_PLATFORM_APPLE
+
+#endif // REALM_UTIL_CF_PTR_HPP