mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
synced 2024-09-13 09:24:08 -07:00
ea4315c1ff
--HG-- rename : toolkit/xre/nsAppData.cpp => toolkit/xre/CreateAppData.cpp rename : toolkit/xre/nsAppData.cpp => xpcom/glue/AppData.cpp extra : rebase_source : 6223397345e77b00f14d93a1f188c042fc5f89ea
58 lines
1.5 KiB
C++
58 lines
1.5 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef mozilla_AppData_h
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#define mozilla_AppData_h
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#include "nsXREAppData.h"
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#include "nscore.h"
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#include "nsStringGlue.h"
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namespace mozilla {
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// Like nsXREAppData, but releases all strong refs/allocated memory
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// in the destructor.
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class NS_COM_GLUE ScopedAppData : public nsXREAppData
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{
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public:
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ScopedAppData() { Zero(); this->size = sizeof(*this); }
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ScopedAppData(const nsXREAppData* aAppData);
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void Zero() { memset(this, 0, sizeof(*this)); }
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~ScopedAppData();
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};
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/**
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* Given "str" is holding a string allocated with NS_Alloc, or null:
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* replace the value in "str" with a new value.
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*
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* @param newvalue Null is permitted. The string is cloned with
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* NS_strdup
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*/
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void SetAllocatedString(const char *&str, const char *newvalue);
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/**
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* Given "str" is holding a string allocated with NS_Alloc, or null:
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* replace the value in "str" with a new value.
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*
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* @param newvalue If "newvalue" is the empty string, "str" will be set
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* to null.
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*/
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void SetAllocatedString(const char *&str, const nsACString &newvalue);
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template<class T>
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void SetStrongPtr(T *&ptr, T* newvalue)
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{
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NS_IF_RELEASE(ptr);
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ptr = newvalue;
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NS_IF_ADDREF(ptr);
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}
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} // namespace mozilla
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#endif
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