/**
 *
 * $Id: Attribute.c,v 1.1 1996/11/04 07:11:20 u27113 Exp $
 *
 * Copyright (C) 1995 Free Software Foundation, Inc.
 *
 * This file is part of the GNU LessTif Library.
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Library General Public
 * License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Library General Public License for more details.
 *
 * You should have received a copy of the GNU Library General Public
 * License along with this library; if not, write to the Free
 * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 *
 *
 *  Original author:  Geoffrey W. Ritchey
 *                    codesmit@southwind.net
 *
*/ 

#include "Attribute.h"
#include "lookup.h"

void AttributeListEmit(AttributeList *this)
{
  ExpressionElement **j;
  int ArgIndex;

  if (NULL == this)
    return;
  for (j = &this->theExpressionList->theList; *j != NULL; j = &((*j)->Next)) {
    putchar((unsigned char)MrmRtypeResource);
    ArgIndex = LookUpArgIndex(ExpressionElementGetName(*j));
    fwrite(&ArgIndex, sizeof(ArgIndex), 1, stdout);
    ExpressionElementEmit(*j);
  }
}

AttributeList *AttributeListNew()
{
  AttributeList *this = (AttributeList *)malloc(sizeof(AttributeList));
  this->size = 0;
  this->theExpressionList = ExpressionListNew(NULL);
  return this;
}

ExpressionElement *AttributeListErase(AttributeList *this, 
				      ExpressionElement *expr)
{
  ExpressionElement **j, **prev, *Return, *Destroy;
  Bool equal = False;

  for (prev = j = &this->theExpressionList->theList; 
       (*j != NULL) && !(equal = Equal_EE_EE(*j,expr));
       j = &((*j)->Next))
    prev = j;
  if (equal) {
    Destroy = *j;
    *prev = (*j)->Next;
    Return = (*prev);
    ExpressionElementDistroy(Destroy);
    this->size--;
    return Return;
  }
  Exit(LOC, "Couldn't find node to Erase\n");
  return NULL;
}

void AttributeListAppend(AttributeList *this, ExpressionElement *expr)
{
  ExpressionElement **j;

  for (j = &this->theExpressionList->theList; *j != NULL; j = &((*j)->Next));
  (*j) = expr;
  this->size++;
}

void AttributeListAppendLists(AttributeList *this, AttributeList *list)
{
  ExpressionElement **j;

  for (j = &this->theExpressionList->theList; *j != NULL; j = &((*j)->Next));
  *j = list->theExpressionList->theList;
  this->size += list->size;
}

