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authorSteve Block <steveblock@google.com>2009-12-15 10:12:09 +0000
committerSteve Block <steveblock@google.com>2009-12-17 17:41:10 +0000
commit643ca7872b450ea4efacab6188849e5aac2ba161 (patch)
tree6982576c228bcd1a7efe98afed544d840751094c /JavaScriptCore/wtf/gtk
parentd026980fde6eb3b01c1fe49441174e89cd1be298 (diff)
downloadexternal_webkit-643ca7872b450ea4efacab6188849e5aac2ba161.zip
external_webkit-643ca7872b450ea4efacab6188849e5aac2ba161.tar.gz
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Merge webkit.org at r51976 : Initial merge by git.
Change-Id: Ib0e7e2f0fb4bee5a186610272edf3186f0986b43
Diffstat (limited to 'JavaScriptCore/wtf/gtk')
-rw-r--r--JavaScriptCore/wtf/gtk/GOwnPtr.cpp67
-rw-r--r--JavaScriptCore/wtf/gtk/GOwnPtr.h146
2 files changed, 213 insertions, 0 deletions
diff --git a/JavaScriptCore/wtf/gtk/GOwnPtr.cpp b/JavaScriptCore/wtf/gtk/GOwnPtr.cpp
new file mode 100644
index 0000000..8999962
--- /dev/null
+++ b/JavaScriptCore/wtf/gtk/GOwnPtr.cpp
@@ -0,0 +1,67 @@
+/*
+ * Copyright (C) 2008 Collabora Ltd.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include "config.h"
+#include "GOwnPtr.h"
+
+#include <glib.h>
+
+namespace WTF {
+
+template <> void freeOwnedGPtr<GError>(GError* ptr)
+{
+ if (ptr)
+ g_error_free(ptr);
+}
+
+template <> void freeOwnedGPtr<GList>(GList* ptr)
+{
+ g_list_free(ptr);
+}
+
+template <> void freeOwnedGPtr<GCond>(GCond* ptr)
+{
+ if (ptr)
+ g_cond_free(ptr);
+}
+
+template <> void freeOwnedGPtr<GMutex>(GMutex* ptr)
+{
+ if (ptr)
+ g_mutex_free(ptr);
+}
+
+template <> void freeOwnedGPtr<GPatternSpec>(GPatternSpec* ptr)
+{
+ if (ptr)
+ g_pattern_spec_free(ptr);
+}
+
+template <> void freeOwnedGPtr<GDir>(GDir* ptr)
+{
+ if (ptr)
+ g_dir_close(ptr);
+}
+
+template <> void freeOwnedGPtr<GHashTable>(GHashTable* ptr)
+{
+ if (ptr)
+ g_hash_table_unref(ptr);
+}
+
+} // namespace WTF
diff --git a/JavaScriptCore/wtf/gtk/GOwnPtr.h b/JavaScriptCore/wtf/gtk/GOwnPtr.h
new file mode 100644
index 0000000..ad2c30e
--- /dev/null
+++ b/JavaScriptCore/wtf/gtk/GOwnPtr.h
@@ -0,0 +1,146 @@
+/*
+ * Copyright (C) 2006, 2007 Apple Inc. All rights reserved.
+ * Copyright (C) 2008 Collabora Ltd.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public License
+ * along with this library; see the file COPYING.LIB. If not, write to
+ * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ *
+ */
+
+#ifndef GOwnPtr_h
+#define GOwnPtr_h
+
+#include <algorithm>
+#include <wtf/Assertions.h>
+#include <wtf/Noncopyable.h>
+
+// Forward delcarations at this point avoid the need to include GLib includes
+// in WTF headers.
+typedef struct _GError GError;
+typedef struct _GList GList;
+typedef struct _GCond GCond;
+typedef struct _GMutex GMutex;
+typedef struct _GPatternSpec GPatternSpec;
+typedef struct _GDir GDir;
+typedef struct _GHashTable GHashTable;
+extern "C" void g_free(void*);
+
+namespace WTF {
+
+template <typename T> inline void freeOwnedGPtr(T* ptr);
+template<> void freeOwnedGPtr<GError>(GError*);
+template<> void freeOwnedGPtr<GList>(GList*);
+template<> void freeOwnedGPtr<GCond>(GCond*);
+template<> void freeOwnedGPtr<GMutex>(GMutex*);
+template<> void freeOwnedGPtr<GPatternSpec>(GPatternSpec*);
+template<> void freeOwnedGPtr<GDir>(GDir*);
+template<> void freeOwnedGPtr<GHashTable>(GHashTable*);
+
+template <typename T> class GOwnPtr : public Noncopyable {
+public:
+ explicit GOwnPtr(T* ptr = 0) : m_ptr(ptr) { }
+ ~GOwnPtr() { freeOwnedGPtr(m_ptr); }
+
+ T* get() const { return m_ptr; }
+ T* release()
+ {
+ T* ptr = m_ptr;
+ m_ptr = 0;
+ return ptr;
+ }
+
+ T*& outPtr()
+ {
+ ASSERT(!m_ptr);
+ return m_ptr;
+ }
+
+ void set(T* ptr)
+ {
+ ASSERT(!ptr || m_ptr != ptr);
+ freeOwnedGPtr(m_ptr);
+ m_ptr = ptr;
+ }
+
+ void clear()
+ {
+ freeOwnedGPtr(m_ptr);
+ m_ptr = 0;
+ }
+
+ T& operator*() const
+ {
+ ASSERT(m_ptr);
+ return *m_ptr;
+ }
+
+ T* operator->() const
+ {
+ ASSERT(m_ptr);
+ return m_ptr;
+ }
+
+ bool operator!() const { return !m_ptr; }
+
+ // This conversion operator allows implicit conversion to bool but not to other integer types.
+ typedef T* GOwnPtr::*UnspecifiedBoolType;
+ operator UnspecifiedBoolType() const { return m_ptr ? &GOwnPtr::m_ptr : 0; }
+
+ void swap(GOwnPtr& o) { std::swap(m_ptr, o.m_ptr); }
+
+private:
+ T* m_ptr;
+};
+
+template <typename T> inline void swap(GOwnPtr<T>& a, GOwnPtr<T>& b)
+{
+ a.swap(b);
+}
+
+template <typename T, typename U> inline bool operator==(const GOwnPtr<T>& a, U* b)
+{
+ return a.get() == b;
+}
+
+template <typename T, typename U> inline bool operator==(T* a, const GOwnPtr<U>& b)
+{
+ return a == b.get();
+}
+
+template <typename T, typename U> inline bool operator!=(const GOwnPtr<T>& a, U* b)
+{
+ return a.get() != b;
+}
+
+template <typename T, typename U> inline bool operator!=(T* a, const GOwnPtr<U>& b)
+{
+ return a != b.get();
+}
+
+template <typename T> inline typename GOwnPtr<T>::PtrType getPtr(const GOwnPtr<T>& p)
+{
+ return p.get();
+}
+
+template <typename T> inline void freeOwnedGPtr(T* ptr)
+{
+ g_free(ptr);
+}
+
+} // namespace WTF
+
+using WTF::GOwnPtr;
+
+#endif // GOwnPtr_h