gecko-dev/xpcom/components/xcDllStore.cpp

108 lines
3.2 KiB
C++

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** BEGIN LICENSE BLOCK *****
* Version: NPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Netscape 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/NPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* 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 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
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the NPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the NPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
/* THIS FILE IS OBSOLETE */
/* nsDllStore
*
* Stores dll and their accociated info in a hash keyed on the system format
* full dll path name e.g C:\Program Files\Netscape\Program\raptor.dll
*
* NOTE: dll names are considered to be case sensitive.
*/
#include "xcDllStore.h"
static PR_CALLBACK PRIntn _deleteDllInfo(PLHashEntry *he, PRIntn i, void *arg)
{
delete (nsDll *)he->value;
return (HT_ENUMERATE_NEXT);
}
nsDllStore::nsDllStore(void) : m_dllHashTable(NULL)
{
PRUint32 initSize = 128;
m_dllHashTable = PL_NewHashTable(initSize, PL_HashString,
PL_CompareStrings, PL_CompareValues, NULL, NULL);
}
nsDllStore::~nsDllStore(void)
{
if (m_dllHashTable)
{
// Delete each of the nsDll stored before deleting the Hash Table
PL_HashTableEnumerateEntries(m_dllHashTable, _deleteDllInfo, NULL);
PL_HashTableDestroy(m_dllHashTable);
}
m_dllHashTable = NULL;
}
nsDll* nsDllStore::Get(const char *dll)
{
nsDll *dllInfo = NULL;
if (m_dllHashTable)
{
dllInfo = (nsDll *)PL_HashTableLookup(m_dllHashTable, dll);
}
return (dllInfo);
}
nsDll* nsDllStore::Remove(const char *dll)
{
if (m_dllHashTable == NULL)
{
return (NULL);
}
nsDll *dllInfo = Get(dll);
PL_HashTableRemove(m_dllHashTable, dll);
return (dllInfo);
}
PRBool nsDllStore::Put(const char *dll, nsDll *dllInfo)
{
if (m_dllHashTable == NULL)
return(PR_FALSE);
PLHashEntry *entry =
PL_HashTableAdd(m_dllHashTable, (void *)dll, (void *)dllInfo);
return ((entry != NULL) ? PR_TRUE : PR_FALSE);
}