315 lines
8.0 KiB
C++
315 lines
8.0 KiB
C++
/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
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/*
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* Copyright (c) 2008 INRIA
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation;
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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* Author: Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
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*/
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#include "attribute-list.h"
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#include "string.h"
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#include "singleton.h"
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namespace ns3 {
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/*********************************************************************
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* The AttributeList container implementation
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*********************************************************************/
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AttributeList::AttributeList ()
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{}
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AttributeList::AttributeList (const AttributeList &o)
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{
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for (Attrs::const_iterator i = o.m_attributes.begin (); i != o.m_attributes.end (); i++)
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{
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struct Attr attr;
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attr.checker = i->checker;
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attr.value = i->value->Copy ();
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m_attributes.push_back (attr);
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}
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}
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AttributeList &
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AttributeList::operator = (const AttributeList &o)
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{
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Reset ();
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for (Attrs::const_iterator i = o.m_attributes.begin (); i != o.m_attributes.end (); i++)
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{
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struct Attr attr;
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attr.checker = i->checker;
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attr.value = i->value->Copy ();
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m_attributes.push_back (attr);
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}
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return *this;
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}
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AttributeList::~AttributeList ()
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{
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Reset ();
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}
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void
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AttributeList::Set (std::string name, const AttributeValue &value)
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{
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struct TypeId::AttributeInfo info;
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bool ok = TypeId::LookupAttributeByFullName (name, &info);
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if (!ok)
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{
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NS_FATAL_ERROR ("Could not find attribute "<<name);
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}
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ok = DoSet (&info, value);
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if (!ok)
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{
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NS_FATAL_ERROR ("Could not set value for attribute "<<name);
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}
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}
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bool
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AttributeList::SetFailSafe (std::string name, const AttributeValue &value)
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{
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struct TypeId::AttributeInfo info;
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bool ok = TypeId::LookupAttributeByFullName (name, &info);
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if (!ok)
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{
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return false;
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}
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ok = DoSet (&info, value);
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return ok;
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}
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void
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AttributeList::SetWithTid (TypeId tid, std::string name, const AttributeValue & value)
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{
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struct TypeId::AttributeInfo info;
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bool ok = tid.LookupAttributeByName (name, &info);
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if (!ok)
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{
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NS_FATAL_ERROR ("Could not find attribute "<<tid.GetName ()<<"::"<<name);
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}
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ok = DoSet (&info, value);
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if (!ok)
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{
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NS_FATAL_ERROR ("Could not set value for attribute "<<tid.GetName ()<<"::"<<name);
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}
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}
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void
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AttributeList::DoSetOne (Ptr<const AttributeChecker> checker, const AttributeValue &value)
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{
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// get rid of any previous value stored in this
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// vector of values.
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for (Attrs::iterator k = m_attributes.begin (); k != m_attributes.end (); k++)
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{
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if (k->checker == checker)
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{
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m_attributes.erase (k);
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break;
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}
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}
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// store the new value.
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struct Attr attr;
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attr.checker = checker;
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attr.value = value.Copy ();
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m_attributes.push_back (attr);
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}
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bool
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AttributeList::DoSet (struct TypeId::AttributeInfo *info, const AttributeValue &value)
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{
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if (info->checker == 0)
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{
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return false;
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}
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bool ok = info->checker->Check (value);
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if (ok)
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{
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DoSetOne (info->checker, value);
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return true;
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}
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// attempt to convert to string.
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const StringValue *str = dynamic_cast<const StringValue *> (&value);
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if (str == 0)
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{
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return false;
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}
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// attempt to convert back to value.
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Ptr<AttributeValue> v = info->checker->Create ();
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ok = v->DeserializeFromString (str->Get (), info->checker);
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if (!ok)
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{
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return false;
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}
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ok = info->checker->Check (*v);
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if (!ok)
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{
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return false;
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}
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DoSetOne (info->checker, *v);
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return true;
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}
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void
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AttributeList::Reset (void)
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{
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m_attributes.clear ();
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}
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AttributeList *
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AttributeList::GetGlobal (void)
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{
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return Singleton<AttributeList>::Get ();
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}
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std::string
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AttributeList::LookupAttributeFullNameByChecker (Ptr<const AttributeChecker> checker) const
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{
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for (uint32_t i = 0; i < TypeId::GetRegisteredN (); i++)
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{
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TypeId tid = TypeId::GetRegistered (i);
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for (uint32_t j = 0; j < tid.GetAttributeN (); j++)
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{
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if (checker == tid.GetAttributeChecker (j))
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{
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return tid.GetAttributeFullName (j);
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}
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}
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}
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NS_FATAL_ERROR ("Could not find requested Accessor.");
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// quiet compiler.
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return "";
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}
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std::string
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AttributeList::SerializeToString (void) const
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{
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std::ostringstream oss;
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for (Attrs::const_iterator i = m_attributes.begin (); i != m_attributes.end ();)
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{
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std::string name = LookupAttributeFullNameByChecker (i->checker);
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oss << name << "=" << i->value->SerializeToString (i->checker);
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i++;
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if (i != m_attributes.end ())
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{
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oss << "|";
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}
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}
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return oss.str ();
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}
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bool
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AttributeList::DeserializeFromString (std::string str)
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{
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Reset ();
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std::string::size_type cur;
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cur = 0;
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do {
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std::string::size_type equal = str.find ("=", cur);
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if (equal == std::string::npos)
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{
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NS_FATAL_ERROR ("Error while parsing serialized attribute: \"" << str << "\"");
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break;
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}
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else
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{
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std::string name = str.substr (cur, equal-cur);
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struct TypeId::AttributeInfo info;
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if (!TypeId::LookupAttributeByFullName (name, &info))
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{
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NS_FATAL_ERROR ("Error while parsing serialized attribute: name does not exist: \"" << name << "\"");
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break;
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}
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else
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{
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std::string::size_type next = str.find ("|", cur);
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std::string value;
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if (next == std::string::npos)
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{
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value = str.substr (equal+1, str.size () - (equal+1));
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cur = str.size ();
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}
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else
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{
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value = str.substr (equal+1, next - (equal+1));
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cur++;
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}
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Ptr<AttributeValue> val = info.checker->Create ();
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bool ok = val->DeserializeFromString (value, info.checker);
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if (!ok)
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{
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NS_FATAL_ERROR ("Error while parsing serialized attribute: value invalid: \"" << value << "\"");
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break;
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}
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else
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{
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DoSetOne (info.checker, *val);
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}
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}
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}
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} while (cur != str.size ());
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return true;
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}
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UnsafeAttributeList::UnsafeAttributeList ()
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{}
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UnsafeAttributeList::UnsafeAttributeList (const UnsafeAttributeList &o)
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{
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for (uint32_t i = 0; i < o.m_attributes.size (); ++i)
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{
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Set (o.m_attributes[i].first, *(o.m_attributes[i].second));
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}
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}
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UnsafeAttributeList &
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UnsafeAttributeList::operator = (const UnsafeAttributeList &o)
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{
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m_attributes.clear ();
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for (uint32_t i = 0; i < o.m_attributes.size (); ++i)
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{
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Set (o.m_attributes[i].first, *(o.m_attributes[i].second));
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}
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return *this;
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}
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UnsafeAttributeList::~UnsafeAttributeList ()
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{
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m_attributes.clear ();
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}
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void
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UnsafeAttributeList::Set (std::string name, const AttributeValue ¶m)
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{
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if (name == "")
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{
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return;
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}
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for (uint32_t i = 0; i < m_attributes.size (); ++i)
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{
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if (m_attributes[i].first == name)
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{
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m_attributes[i].second = param.Copy ();
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return;
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}
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}
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m_attributes.push_back (std::make_pair (name, param.Copy ()));
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}
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AttributeList
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UnsafeAttributeList::GetSafe (std::string tidName) const
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{
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AttributeList list;
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for (uint32_t i = 0; i < m_attributes.size (); ++i)
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{
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TypeId tid = TypeId::LookupByName (tidName);
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list.SetWithTid (tid, m_attributes[i].first, *m_attributes[i].second);
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}
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return list;
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}
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} // namespace ns3
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