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Member "netxms-3.8.166/src/libnxsl/storage.cpp" (23 Feb 2021, 1946 Bytes) of package /linux/misc/netxms-3.8.166.tar.gz:


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    1 /*
    2 ** NetXMS - Network Management System
    3 ** NetXMS Scripting Language Interpreter
    4 ** Copyright (C) 2003-2020 Victor Kirhenshtein
    5 **
    6 ** This program is free software; you can redistribute it and/or modify
    7 ** it under the terms of the GNU Lesser General Public License as published by
    8 ** the Free Software Foundation; either version 3 of the License, or
    9 ** (at your option) any later version.
   10 **
   11 ** This program is distributed in the hope that it will be useful,
   12 ** but WITHOUT ANY WARRANTY; without even the implied warranty of
   13 ** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   14 ** GNU General Public License for more details.
   15 **
   16 ** You should have received a copy of the GNU Lesser General Public License
   17 ** along with this program; if not, write to the Free Software
   18 ** Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
   19 **
   20 ** File: storage.cpp
   21 **
   22 **/
   23 
   24 #include "libnxsl.h"
   25 
   26 /**
   27  * Constructor
   28  */
   29 NXSL_Storage::NXSL_Storage()
   30 {
   31 }
   32 
   33 /**
   34  * Destructor
   35  */
   36 NXSL_Storage::~NXSL_Storage()
   37 {
   38 }
   39 
   40 /**
   41  * Local storage constructor
   42  */
   43 NXSL_LocalStorage::NXSL_LocalStorage(NXSL_VM *vm) : NXSL_Storage()
   44 {
   45    m_vm = vm;
   46    m_values = new NXSL_StringValueMap(vm, Ownership::True);
   47 }
   48 
   49 /**
   50  * Local storage destructor
   51  */
   52 NXSL_LocalStorage::~NXSL_LocalStorage()
   53 {
   54    delete m_values;
   55 }
   56 
   57 /**
   58  * Write to storage. Storage becomes owner of provided value.
   59  * Passing NULL value will effectively remove value from storage.
   60  */
   61 void NXSL_LocalStorage::write(const TCHAR *name, NXSL_Value *value)
   62 {
   63    if ((value == NULL) || value->isNull())
   64       m_values->remove(name);
   65    else
   66       m_values->set(name, m_vm->createValue(value));
   67 }
   68 
   69 /**
   70  * Read from storage. Returns new value owned by caller. Returns NXSL NULL if there are no value with given name.
   71  */
   72 NXSL_Value *NXSL_LocalStorage::read(const TCHAR *name, NXSL_ValueManager *vm)
   73 {
   74    NXSL_Value *v = m_values->get(name);
   75    return (v != NULL) ? vm->createValue(v) : vm->createValue();
   76 }