/usr/include/thunderbird-11.0.1/nsMsgKeySet.h is in thunderbird-dev 11.0.1+build1-0ubuntu2.
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/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is mozilla.org code.
*
* The Initial Developer of the Original Code is
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 1998
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
* Alternatively, the contents of this file may be used under the terms of
* either of the GNU General Public License Version 2 or later (the "GPL"),
* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
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* ***** END LICENSE BLOCK ***** */
#ifndef _nsMsgKeySet_H_
#define _nsMsgKeySet_H_
#include "msgCore.h"
#include "nsTArray.h"
// nsMsgKeySet represents a set of articles. Typically, it is the set of
// read articles from a .newsrc file, but it can be used for other purposes
// too.
#if 0
// If a MSG_NewsHost* is supplied to the creation routine, then that
// MSG_NewsHost will be notified whenever a change is made to set.
class MSG_NewsHost;
#endif
class NS_MSG_BASE nsMsgKeySet {
public:
// Creates an empty set.
static nsMsgKeySet* Create(/* MSG_NewsHost* host = NULL*/);
// Creates a set from the list of numbers, as might be found in a
// newsrc file.
static nsMsgKeySet* Create(const char* str/* , MSG_NewsHost* host = NULL*/);
~nsMsgKeySet();
// FirstNonMember() returns the lowest non-member of the set that is
// greater than 0.
PRInt32 FirstNonMember();
// Output() converts to a string representation suitable for writing to a
// .newsrc file.
nsresult Output(char **outputStr);
// IsMember() returns whether the given article is a member of this set.
bool IsMember(PRInt32 art);
// Add() adds the given article to the set. (Returns 1 if a change was
// made, 0 if it was already there, and negative on error.)
int Add(PRInt32 art);
// Remove() removes the given article from the set.
int Remove(PRInt32 art);
// AddRange() adds the (inclusive) given range of articles to the set.
int AddRange(PRInt32 first, PRInt32 last);
// CountMissingInRange() takes an inclusive range of articles and returns
// the number of articles in that range which are not in the set.
PRInt32 CountMissingInRange(PRInt32 start, PRInt32 end);
// FirstMissingRange() takes an inclusive range and finds the first range
// of articles that are not in the set. If none, return zeros.
int FirstMissingRange(PRInt32 min, PRInt32 max, PRInt32* first, PRInt32* last);
// LastMissingRange() takes an inclusive range and finds the last range
// of articles that are not in the set. If none, return zeros.
int LastMissingRange(PRInt32 min, PRInt32 max, PRInt32* first, PRInt32* last);
PRInt32 GetLastMember();
PRInt32 GetFirstMember();
void SetLastMember(PRInt32 highWaterMark);
// For debugging only...
PRInt32 getLength() {return m_length;}
/**
* Fill the passed in aArray with the keys in the message key set.
*/
nsresult ToMsgKeyArray(nsTArray<nsMsgKey> &aArray);
#ifdef DEBUG
static void RunTests();
#endif
protected:
nsMsgKeySet(/* MSG_NewsHost* host */);
nsMsgKeySet(const char* /* , MSG_NewsHost* host */);
bool Grow();
bool Optimize();
#ifdef DEBUG
static void test_decoder(const char*);
static void test_adder();
static void test_ranges();
static void test_member(bool with_cache);
#endif
PRInt32 *m_data; /* the numbers composing the `chunks' */
PRInt32 m_data_size; /* size of that malloc'ed block */
PRInt32 m_length; /* active area */
PRInt32 m_cached_value; /* a potential set member, or -1 if unset*/
PRInt32 m_cached_value_index; /* the index into `data' at which a search
to determine whether `cached_value' was
a member of the set ended. */
#ifdef NEWSRC_DOES_HOST_STUFF
MSG_NewsHost* m_host;
#endif
};
#endif /* _nsMsgKeySet_H_ */
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