178 lines
3.0 KiB
C++
178 lines
3.0 KiB
C++
/**
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* ObjList.cpp
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* This file is part of the YATE Project http://YATE.null.ro
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*/
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#include "telengine.h"
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using namespace TelEngine;
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ObjList::ObjList()
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: m_next(0), m_obj(0), m_delete(true)
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{
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#ifdef DEBUG
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Debug(DebugAll,"ObjList::ObjList() [%p]",this);
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#endif
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}
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ObjList::~ObjList()
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{
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#ifdef DEBUG
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Debugger debug("ObjList::~ObjList()"," [%p]",this);
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#endif
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if (m_obj) {
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GenObject *tmp = m_obj;
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m_obj = 0;
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if (m_delete) {
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#ifdef DEBUG
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Debug(DebugInfo,"ObjList::~ObjList() deleting %p",tmp);
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#endif
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tmp->destruct();
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}
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}
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if (m_next)
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m_next->destruct();
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}
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unsigned int ObjList::length() const
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{
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unsigned int c = 0;
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const ObjList *n = this;
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while (n) {
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c++;
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n = n->next();
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}
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return c;
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}
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unsigned int ObjList::count() const
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{
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unsigned int c = 0;
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const ObjList *n = this;
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while (n) {
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if (n->get())
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c++;
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n = n->next();
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}
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return c;
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}
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ObjList *ObjList::last() const
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{
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const ObjList *n = this;
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while (n->next())
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n = n->next();
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return const_cast<ObjList *>(n);
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}
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ObjList *ObjList::operator[](int index) const
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{
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if (index < 0)
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return 0;
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ObjList *obj = const_cast<ObjList *>(this);
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for (;obj;obj=obj->next(),index--)
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if (!index) break;
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return obj;
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}
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ObjList *ObjList::find(const GenObject *obj) const
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{
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#ifdef DEBUG
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Debugger debug("ObjList::find","(%p) [%p]",obj,this);
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#endif
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const ObjList *n = this;
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while (n && (n->get() != obj))
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n = n->next();
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#ifdef DEBUG
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Debug(DebugInfo,"ObjList::find returning %p",n);
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#endif
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return const_cast<ObjList *>(n);
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}
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GenObject *ObjList::set(const GenObject *obj, bool delold)
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{
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if (m_obj == obj)
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return 0;
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GenObject *tmp = m_obj;
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m_obj = const_cast<GenObject *>(obj);
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if (delold && tmp) {
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tmp->destruct();
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return 0;
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}
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return tmp;
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}
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ObjList *ObjList::insert(const GenObject *obj)
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{
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#ifdef DEBUG
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Debugger debug("ObjList::insert","(%p) [%p]",obj,this);
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#endif
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if (m_obj) {
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ObjList *n = new ObjList();
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n->set(m_obj);
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set(obj,false);
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n->m_next = m_next;
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m_next = n;
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}
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else
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m_obj = const_cast<GenObject *>(obj);
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return this;
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}
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ObjList *ObjList::append(const GenObject *obj)
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{
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#ifdef DEBUG
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Debugger debug("ObjList::append","(%p) [%p]",obj,this);
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#endif
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ObjList *n = last();
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if (n->get()) {
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n->m_next = new ObjList();
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n = n->m_next;
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}
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n->set(obj);
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return n;
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}
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GenObject *ObjList::remove(bool delobj)
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{
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GenObject *tmp = m_obj;
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if (m_next) {
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ObjList *n = m_next;
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m_obj = n->get();
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m_next = n->next();
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n->m_obj = 0;
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n->m_next = 0;
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n->destruct();
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}
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else
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m_obj = 0;
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if (delobj && tmp) {
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#ifdef DEBUG
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Debug(DebugInfo,"ObjList::remove() deleting %p",tmp);
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#endif
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tmp->destruct();
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tmp = 0;
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}
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return tmp;
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}
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GenObject *ObjList::remove(GenObject *obj, bool delobj)
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{
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ObjList *n = find(obj);
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return n ? n->remove(delobj) : 0;
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}
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void ObjList::clear()
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{
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#ifdef DEBUG
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Debugger debug("ObjList::clear()"," [%p]",this);
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#endif
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ObjList *n = m_next;
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m_next = 0;
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remove(m_delete);
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if (n)
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n->destruct();
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}
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