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authorJay Freeman (saurik) <saurik@saurik.com>2011-03-07 06:30:37 -0800
committerJay Freeman (saurik) <saurik@saurik.com>2011-03-08 01:50:03 -0800
commit86cf87e24a37797fc9899825bd5ce1f1f5c1ce04 (patch)
tree203509bc3d9f5299e9ff9879a65b8df093a56fd6 /Menes/ObjectHandle.h
parent56bf1e78b29a1d15162d7185ee706307e46ea396 (diff)
Copy _H<> into Menes.
Diffstat (limited to 'Menes/ObjectHandle.h')
-rw-r--r--Menes/ObjectHandle.h92
1 files changed, 92 insertions, 0 deletions
diff --git a/Menes/ObjectHandle.h b/Menes/ObjectHandle.h
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+++ b/Menes/ObjectHandle.h
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+/* Cydia - iPhone UIKit Front-End for Debian APT
+ * Copyright (C) 2008-2011 Jay Freeman (saurik)
+*/
+
+/* Modified BSD License {{{ */
+/*
+ * Redistribution and use in source and binary
+ * forms, with or without modification, are permitted
+ * provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the
+ * above copyright notice, this list of conditions
+ * and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the
+ * above copyright notice, this list of conditions
+ * and the following disclaimer in the documentation
+ * and/or other materials provided with the
+ * distribution.
+ * 3. The name of the author may not be used to endorse
+ * or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS''
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING,
+ * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
+ * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+/* }}} */
+
+#ifndef Menes_ObjectHandle_H
+#define Menes_ObjectHandle_H
+
+template <typename Type_>
+class MenesObjectHandle {
+ private:
+ Type_ *value_;
+
+ _finline void Retain_() {
+ if (value_ != nil)
+ CFRetain((CFTypeRef) value_);
+ }
+
+ _finline void Clear_() {
+ if (value_ != nil)
+ CFRelease((CFTypeRef) value_);
+ }
+
+ public:
+ _finline MenesObjectHandle(const MenesObjectHandle &rhs) :
+ value_(rhs.value_ == nil ? nil : (Type_ *) CFRetain((CFTypeRef) rhs.value_))
+ {
+ }
+
+ _finline MenesObjectHandle(Type_ *value = NULL, bool mended = false) :
+ value_(value)
+ {
+ if (!mended)
+ Retain_();
+ }
+
+ _finline ~MenesObjectHandle() {
+ Clear_();
+ }
+
+ _finline operator Type_ *() const {
+ return value_;
+ }
+
+ _finline MenesObjectHandle &operator =(Type_ *value) {
+ if (value_ != value) {
+ Type_ *old(value_);
+ value_ = value;
+ Retain_();
+ if (old != nil)
+ CFRelease((CFTypeRef) old);
+ } return *this;
+ }
+};
+
+#define _H MenesObjectHandle
+
+#endif//Menes_ObjectHandle_H