gecko-dev/xpcom/ds/nsProperties.h

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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
*
* The contents of this file are subject to the Netscape Public License
* Version 1.0 (the "NPL"); you may not use this file except in
* compliance with the NPL. You may obtain a copy of the NPL at
* http://www.mozilla.org/NPL/
*
* Software distributed under the NPL is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
* for the specific language governing rights and limitations under the
* NPL.
*
* The Initial Developer of this code under the NPL is Netscape
* Communications Corporation. Portions created by Netscape are
* Copyright (C) 1998 Netscape Communications Corporation. All Rights
* Reserved.
*/
#ifndef nsProperties_h___
#define nsProperties_h___
#include "nsIProperties.h"
#include "nsHashtable.h"
#include "nsAgg.h"
class nsIUnicharInputStream;
class nsProperties : public nsIProperties, public nsHashtable {
public:
NS_DECL_AGGREGATED
// nsIProperties methods:
NS_IMETHOD DefineProperty(const char* prop, nsISupports* initialValue);
NS_IMETHOD UndefineProperty(const char* prop);
NS_IMETHOD GetProperty(const char* prop, nsISupports* *result);
NS_IMETHOD SetProperty(const char* prop, nsISupports* value);
NS_IMETHOD HasProperty(const char* prop, nsISupports* value);
// nsProperties methods:
nsProperties(nsISupports* outer);
virtual ~nsProperties();
static NS_METHOD
Create(nsISupports *aOuter, REFNSIID aIID, void **aResult);
static PRBool ReleaseValues(nsHashKey* key, void* data, void* closure);
};
class nsPersistentProperties : public nsIPersistentProperties
{
public:
nsPersistentProperties();
virtual ~nsPersistentProperties();
NS_DECL_ISUPPORTS
static NS_METHOD
Create(nsISupports *aOuter, REFNSIID aIID, void **aResult);
// nsIProperties methods:
NS_IMETHOD DefineProperty(const char* prop, nsISupports* initialValue);
NS_IMETHOD UndefineProperty(const char* prop);
NS_IMETHOD GetProperty(const char* prop, nsISupports* *result);
NS_IMETHOD SetProperty(const char* prop, nsISupports* value);
NS_IMETHOD HasProperty(const char* prop, nsISupports* value);
// nsIPersistentProperties methods:
NS_IMETHOD Load(nsIInputStream* aIn);
NS_IMETHOD Save(nsIOutputStream* aOut, const nsString& aHeader);
NS_IMETHOD Subclass(nsIPersistentProperties* aSubclass);
NS_IMETHOD EnumerateProperties(nsIBidirectionalEnumerator* *aResult);
// XXX these 2 methods will be subsumed by the ones from
// nsIProperties once we figure this all out
NS_IMETHOD GetProperty(const nsString& aKey, nsString& aValue);
NS_IMETHOD SetProperty(const nsString& aKey, nsString& aNewValue,
nsString& aOldValue);
// nsPersistentProperties methods:
PRInt32 Read();
PRInt32 SkipLine(PRInt32 c);
PRInt32 SkipWhiteSpace(PRInt32 c);
nsIUnicharInputStream* mIn;
nsIPersistentProperties* mSubclass;
struct PLHashTable* mTable;
};
class nsPropertyElement : public nsIPropertyElement
{
public:
nsPropertyElement();
virtual ~nsPropertyElement();
NS_DECL_ISUPPORTS
static NS_METHOD
Create(nsISupports *aOuter, REFNSIID aIID, void **aResult);
// nsIPropertyElement methods:
NS_IMETHOD GetKey(nsString** aReturnKey);
NS_IMETHOD GetValue(nsString** aReturnValue);
NS_IMETHOD SetKey(nsString* aKey);
NS_IMETHOD SetValue(nsString* aValue);
protected:
nsString* mKey;
nsString* mValue;
};
#endif /* nsProperties_h___ */