зеркало из https://github.com/mozilla/gecko-dev.git
122 строки
3.1 KiB
C++
Executable File
122 строки
3.1 KiB
C++
Executable File
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/*
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* The contents of this file are subject to the Netscape Public License
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* Version 1.0 (the "NPL"); you may not use this file except in
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* compliance with the NPL. You may obtain a copy of the NPL at
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* http://www.mozilla.org/NPL/
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*
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* Software distributed under the NPL is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
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* for the specific language governing rights and limitations under the
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* NPL.
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*
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* The Initial Developer of this code under the NPL is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All Rights
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* Reserved.
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*/
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#ifndef _NS_PRIVILEGE_H_
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#define _NS_PRIVILEGE_H_
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#include "prtypes.h"
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#include "nsCaps.h"
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#include "nsCapsEnums.h"
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PRBool nsPrivilegeInitialize(void);
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struct nsPrivilege {
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public:
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/* Public Field Accessors */
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nsPermissionState itsPerm;
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nsDurationState itsDuration;
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/* Public Methods */
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nsPrivilege(nsPermissionState perm, nsDurationState duration);
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virtual ~nsPrivilege(void);
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static nsPrivilege * findPrivilege(nsPermissionState permission, nsDurationState duration);
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static nsPermissionState add(nsPermissionState perm1, nsPermissionState perm2);
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static nsPrivilege * add(nsPrivilege *privilege1, nsPrivilege *privilege2);
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PRBool samePermission(nsPrivilege *privilege);
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PRBool samePermission(nsPermissionState perm);
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PRBool sameDuration(nsPrivilege *privilege);
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PRBool sameDuration(nsDurationState duration);
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PRBool isAllowed(void);
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PRBool isAllowedForever(void);
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PRBool isForbidden(void);
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PRBool isForbiddenForever(void);
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PRBool isBlank(void);
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nsPermissionState getPermission(void);
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nsDurationState getDuration(void);
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static nsPrivilege * findPrivilege(char *privStr);
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char * toString(void);
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private:
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/* Private Field Accessors */
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char *itsString;
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static PRBool theInited;
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/* Private Methods */
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};
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/**
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* add() method takes two permissions and returns a new permission.
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* Permission addition follows these rules:
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* <pre>
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* ALLOWED + ALLOWED = ALLOWED 1 + 1 = 1
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* ALLOWED + BLANK = ALLOWED 1 + 2 = 1
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* BLANK + BLANK = BLANK 2 + 2 = 2
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* ALLOWED + FORBIDDEN = FORBIDDEN 1 + 0 = 0
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* BLANK + FORBIDDEN = FORBIDDEN 2 + 0 = 0
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* FORBIDDEN + FORBIDDEN = FORBIDDEN 0 + 0 = 0
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* </pre>
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*
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* @return the permission that results from the above rules
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* <p>
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* Note: there are two versions of add(). One adds two Privilege
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* objects. The other just adds permissions (as returned by
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* <a href="#getPermission">getPermission()</a>).
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*/
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/* XXX: Whenever you change the value of FORBIDDEN, ALLOWED and BLANK
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* make sure they obey the laws mentioned in add() method.
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*/
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inline nsPermissionState nsPrivilege::add(nsPermissionState p1, nsPermissionState p2)
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{
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if (p1 < p2)
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return p1;
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else
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return p2;
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}
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inline nsPrivilege * nsPrivilege::add(nsPrivilege *p1, nsPrivilege *p2)
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{
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if (p1->itsPerm < p2->itsPerm)
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return p1;
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else
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return p2;
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}
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#endif /* _NS_PRIVILEGE_H_ */
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