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author | Steve Block <steveblock@google.com> | 2009-12-15 10:12:09 +0000 |
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committer | Steve Block <steveblock@google.com> | 2009-12-17 17:41:10 +0000 |
commit | 643ca7872b450ea4efacab6188849e5aac2ba161 (patch) | |
tree | 6982576c228bcd1a7efe98afed544d840751094c /JavaScriptCore/wtf/gtk | |
parent | d026980fde6eb3b01c1fe49441174e89cd1be298 (diff) | |
download | external_webkit-643ca7872b450ea4efacab6188849e5aac2ba161.zip external_webkit-643ca7872b450ea4efacab6188849e5aac2ba161.tar.gz external_webkit-643ca7872b450ea4efacab6188849e5aac2ba161.tar.bz2 |
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.cpp | 67 | ||||
-rw-r--r-- | JavaScriptCore/wtf/gtk/GOwnPtr.h | 146 |
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 |