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-rw-r--r--JavaScriptCore/wtf/gobject/GOwnPtr.cpp67
-rw-r--r--JavaScriptCore/wtf/gobject/GOwnPtr.h148
-rw-r--r--JavaScriptCore/wtf/gobject/GRefPtr.cpp38
-rw-r--r--JavaScriptCore/wtf/gobject/GRefPtr.h190
4 files changed, 443 insertions, 0 deletions
diff --git a/JavaScriptCore/wtf/gobject/GOwnPtr.cpp b/JavaScriptCore/wtf/gobject/GOwnPtr.cpp
new file mode 100644
index 0000000..da0d839
--- /dev/null
+++ b/JavaScriptCore/wtf/gobject/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 <gio/gio.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<GFile>(GFile* ptr)
+{
+ if (ptr)
+ g_object_unref(ptr);
+}
+} // namespace WTF
diff --git a/JavaScriptCore/wtf/gobject/GOwnPtr.h b/JavaScriptCore/wtf/gobject/GOwnPtr.h
new file mode 100644
index 0000000..1fc594c
--- /dev/null
+++ b/JavaScriptCore/wtf/gobject/GOwnPtr.h
@@ -0,0 +1,148 @@
+/*
+ * 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;
+typedef struct _GFile GFile;
+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<> void freeOwnedGPtr<GFile>(GFile*);
+
+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
diff --git a/JavaScriptCore/wtf/gobject/GRefPtr.cpp b/JavaScriptCore/wtf/gobject/GRefPtr.cpp
new file mode 100644
index 0000000..e7cf34b
--- /dev/null
+++ b/JavaScriptCore/wtf/gobject/GRefPtr.cpp
@@ -0,0 +1,38 @@
+/*
+ * Copyright (C) 2009 Martin Robinson
+ *
+ * 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 "GRefPtr.h"
+
+#include <glib.h>
+
+namespace WTF {
+
+template <> GHashTable* refGPtr(GHashTable* ptr)
+{
+ if (ptr)
+ g_hash_table_ref(ptr);
+ return ptr;
+}
+
+template <> void derefGPtr(GHashTable* ptr)
+{
+ g_hash_table_unref(ptr);
+}
+
+} // namespace WTF
diff --git a/JavaScriptCore/wtf/gobject/GRefPtr.h b/JavaScriptCore/wtf/gobject/GRefPtr.h
new file mode 100644
index 0000000..3a33605
--- /dev/null
+++ b/JavaScriptCore/wtf/gobject/GRefPtr.h
@@ -0,0 +1,190 @@
+/*
+ * Copyright (C) 2005, 2006, 2007, 2008 Apple Inc. All rights reserved.
+ * Copyright (C) 2008 Collabora Ltd.
+ * Copyright (C) 2009 Martin Robinson
+ *
+ * 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 WTF_GRefPtr_h
+#define WTF_GRefPtr_h
+
+#include "AlwaysInline.h"
+#include <algorithm>
+
+typedef struct _GHashTable GHashTable;
+typedef void* gpointer;
+extern "C" void g_object_unref(gpointer object);
+extern "C" gpointer g_object_ref_sink(gpointer object);
+
+namespace WTF {
+
+enum GRefPtrAdoptType { GRefPtrAdopt };
+template <typename T> inline T* refGPtr(T*);
+template <typename T> inline void derefGPtr(T*);
+template <typename T> class GRefPtr;
+template <typename T> GRefPtr<T> adoptGRef(T*);
+template <> GHashTable* refGPtr(GHashTable* ptr);
+template <> void derefGPtr(GHashTable* ptr);
+
+template <typename T> class GRefPtr {
+public:
+ GRefPtr() : m_ptr(0) { }
+ GRefPtr(T* ptr) : m_ptr(ptr) { if (ptr) refGPtr(ptr); }
+ GRefPtr(const GRefPtr& o) : m_ptr(o.m_ptr) { if (T* ptr = m_ptr) refGPtr(ptr); }
+ template <typename U> GRefPtr(const GRefPtr<U>& o) : m_ptr(o.get()) { if (T* ptr = m_ptr) refGPtr(ptr); }
+
+ ~GRefPtr() { if (T* ptr = m_ptr) derefGPtr(ptr); }
+
+ void clear()
+ {
+ if (T* ptr = m_ptr)
+ derefGPtr(ptr);
+ m_ptr = 0;
+ }
+
+ T* get() const { return m_ptr; }
+ T& operator*() const { return *m_ptr; }
+ ALWAYS_INLINE T* operator->() const { 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* GRefPtr::*UnspecifiedBoolType;
+ operator UnspecifiedBoolType() const { return m_ptr ? &GRefPtr::m_ptr : 0; }
+
+ GRefPtr& operator=(const GRefPtr&);
+ GRefPtr& operator=(T*);
+ template <typename U> GRefPtr& operator=(const GRefPtr<U>&);
+
+ void swap(GRefPtr&);
+ friend GRefPtr adoptGRef<T>(T*);
+
+private:
+ static T* hashTableDeletedValue() { return reinterpret_cast<T*>(-1); }
+ // Adopting constructor.
+ GRefPtr(T* ptr, GRefPtrAdoptType) : m_ptr(ptr) {}
+
+ T* m_ptr;
+};
+
+template <typename T> inline GRefPtr<T>& GRefPtr<T>::operator=(const GRefPtr<T>& o)
+{
+ T* optr = o.get();
+ if (optr)
+ refGPtr(optr);
+ T* ptr = m_ptr;
+ m_ptr = optr;
+ if (ptr)
+ derefGPtr(ptr);
+ return *this;
+}
+
+template <typename T> inline GRefPtr<T>& GRefPtr<T>::operator=(T* optr)
+{
+ T* ptr = m_ptr;
+ if (optr)
+ refGPtr(optr);
+ m_ptr = optr;
+ if (ptr)
+ derefGPtr(ptr);
+ return *this;
+}
+
+template <class T> inline void GRefPtr<T>::swap(GRefPtr<T>& o)
+{
+ std::swap(m_ptr, o.m_ptr);
+}
+
+template <class T> inline void swap(GRefPtr<T>& a, GRefPtr<T>& b)
+{
+ a.swap(b);
+}
+
+template <typename T, typename U> inline bool operator==(const GRefPtr<T>& a, const GRefPtr<U>& b)
+{
+ return a.get() == b.get();
+}
+
+template <typename T, typename U> inline bool operator==(const GRefPtr<T>& a, U* b)
+{
+ return a.get() == b;
+}
+
+template <typename T, typename U> inline bool operator==(T* a, const GRefPtr<U>& b)
+{
+ return a == b.get();
+}
+
+template <typename T, typename U> inline bool operator!=(const GRefPtr<T>& a, const GRefPtr<U>& b)
+{
+ return a.get() != b.get();
+}
+
+template <typename T, typename U> inline bool operator!=(const GRefPtr<T>& a, U* b)
+{
+ return a.get() != b;
+}
+
+template <typename T, typename U> inline bool operator!=(T* a, const GRefPtr<U>& b)
+{
+ return a != b.get();
+}
+
+template <typename T, typename U> inline GRefPtr<T> static_pointer_cast(const GRefPtr<U>& p)
+{
+ return GRefPtr<T>(static_cast<T*>(p.get()));
+}
+
+template <typename T, typename U> inline GRefPtr<T> const_pointer_cast(const GRefPtr<U>& p)
+{
+ return GRefPtr<T>(const_cast<T*>(p.get()));
+}
+
+template <typename T> inline T* getPtr(const GRefPtr<T>& p)
+{
+ return p.get();
+}
+
+template <typename T> GRefPtr<T> adoptGRef(T* p)
+{
+ return GRefPtr<T>(p, GRefPtrAdopt);
+}
+
+template <typename T> inline T* refGPtr(T* ptr)
+{
+ if (ptr)
+ g_object_ref_sink(ptr);
+ return ptr;
+}
+
+template <typename T> inline void derefGPtr(T* ptr)
+{
+ if (ptr)
+ g_object_unref(ptr);
+}
+
+} // namespace WTF
+
+using WTF::GRefPtr;
+using WTF::refGPtr;
+using WTF::derefGPtr;
+using WTF::adoptGRef;
+using WTF::static_pointer_cast;
+using WTF::const_pointer_cast;
+
+#endif // WTF_GRefPtr_h
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