// LIST.CPP

#ifndef __LIST_CPP
#define __LIST_CPP

#include "list.h"
#include <string.h>
#include <stdlib.h>


/////////////////////////////////////////////////////////////////////////////


int List::SeqNumber = 1;


List::List()
{
	strcpy( Msg, " *** " );
	LineNum = 0;
	Code = 0;

	Prev = NULL;
	Next = NULL;

// SEQ NUMBER ID
	ID = SeqNumber;
	SeqNumber++;
}


List::List( int linenum, int code, char *msg )
{
	LineNum = linenum;
	Code = code;
	strcpy( Msg, msg );

	Prev = NULL;
	Next = NULL;

// SEQ NUMBER ID
	ID = SeqNumber;
	SeqNumber++;
}


inline List::~List()
{
	;
}


List *List::Connect_Left_of( List *Right )
{
List *Left = Right->Prev;

	if( Right )
	{
		Prev = Left;
		Right->Prev = this;
		Next = Right;

		if( Left )
			Left->Next = this;

		return( this );
	}

	else
	{
		Next = NULL;
		return( NULL );
	}
}


List *List::Connect_Right_of( List *Left )
{
List *Right = Left->Next;

	if( Left )
	{
		Next = Right;
		Left->Next = this;
		Prev = Left;

		if( Right )
			Right->Prev = this;

		return( this );
	}

	else
	{
		Prev = NULL;
		return( NULL );
	}
}


List *List::Disconnect()
{
List *Left  = Prev;
List *Right = Next;

	if( Left )
		Left->Next = this->Next;

	if( Right )
		Right->Prev = this->Prev;

	this->Prev = NULL;
	this->Next = NULL;

	return( this );
}


void List::Add( int linenum, int code, char *msg )
{
List *tmp;
List *ptr;

	tmp = new List;

	tmp->LineNum = linenum;
	tmp->Code = code;
	strcpy( tmp->Msg, msg );

	ptr = this;

	while( ptr->Next )
		ptr = ptr->Next;

	tmp->Connect_Right_of( ptr );
}


void List::Print( void )
{
List *ptr;

	ptr = this; //Next;

//	while( ptr )
//	{
		cout 	<< "\n #"
			<< ptr->ID
			<< " "
			<< ptr->Msg
			<< " Line: "
			<< ptr->LineNum
			<< " Rule: "
			<< ptr->Code
			<< "\n"
			;

//		ptr = ptr->Next;
//	}

//	cout << "\n";
}


/////////////////////////////////////////////////////////////////////////////


#endif // __LIST_CPP