List.C

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 * 
 * We provide the Paradyn Tools (below described as "Paradyn")
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 * We reserve the right to update, modify, or discontinue this
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 * 
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
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 * Lesser General Public License for more details.
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 * You should have received a copy of the GNU Lesser General Public
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 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 */

// $Id: list.C,v

#include <ostream>
#include "common/h/List.h"

using namespace std;

template <class DataType, class KeyType> DO_INLINE_F typename 
ListBase<DataType, KeyType>::node *ListBase<DataType, KeyType>::getLastNode()
{
  node *lag = NULL;
  node *curNode = head;
  while(1) {
    if(curNode == NULL) break;
    lag = curNode;
    curNode = curNode->next;
  }
  return lag;
}

template <class DataType, class KeyType> void 
ListBase<DataType, KeyType>::__push_front(DataType &data, 
                      const KeyType &key)
{
   typename ListBase<DataType, KeyType>::node *ni = new node(data, key, head);
   head = ni;
}


template <class DataType, class KeyType> 
void ListBase<DataType, KeyType>::__push_back(DataType &data, 
                          const KeyType &key)
{
   node *newNode = new node(data, key, NULL);

   if(! isEmpty()) {
     node *lastNode = getLastNode();
     lastNode->next = newNode;
   } else {
     head = newNode;
   }
}

template <class DataType, class KeyType>
void ListBase<DataType, KeyType>::clear()
{
  node *curr, *nx;

  curr = head;
  while (curr) {
    nx = curr->next;
    delete (curr);
    curr = nx;
  }
  head = NULL;
}

template <class DataType, class KeyType>
bool ListBase<DataType, KeyType>::__remove_with_val(const DataType &dataVal)
{
    node *lag;
    node *curr;

    for (curr=head, lag = NULL; curr; curr=curr->next) {
    if (curr->data == dataVal) {
        break;
    }
    lag = curr;
    }

    if (curr) {
    if (lag) {
        lag->next = curr->next;
    } else {
        head = curr->next;
    }
    delete(curr);
    return(true);
    } else {
    return(false);
    }
}

template <class DataType, class KeyType>
bool ListBase<DataType, KeyType>::__remove_with_key(const KeyType &key)
{
    node *lag;
    node *curr;

    for (curr=head, lag = NULL; curr; curr=curr->next) {
    if (curr->key == key) {
        break;
    }
    lag = curr;
    }

    if (curr) {
    if (lag) {
        lag->next = curr->next;
    } else {
        head = curr->next;
    }
    delete(curr);
    return(true);
    } else {
    return(false);
    }
}

template <class DataType, class KeyType>
bool ListBase<DataType, KeyType>::__find_with_key(const KeyType &key, 
                          DataType *saveVal)
{
   node *curr;

   for (curr=head; curr; curr=curr->next) {
      if (curr->key == key) {
     (*saveVal) = curr->data;
     return true;
      }
   }
   return false;
}

template <class DataType, class KeyType>
bool ListBase<DataType, KeyType>::__find_with_val(const DataType &dataVal)
  const {
   node *curr;

   for (curr=head; curr; curr=curr->next) {
      if (curr->data == dataVal) {
     return true;
      }
   }
   return false;
}