ftp.nice.ch/pub/next/developer/objc/appkit/Crossword.1.1.NIHS.bs.tar.gz#/Crossword.1.1.NIHS.bs/Source/Puzzle.m

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/*

File Puzzle.m

The puzzle object links a crossword matrix to a dictionary and a search.  The puzzle has various inspectable parameters that the user can set to control the type of search.

*/

#import <appkit/appkit.h>
#import <stdlib.h>

#import "Puzzle.h"
#import "Inspector.h"
#import "StopWatch.h"
#import "Crossword.h"
#import "CrosswordSquare.h"
#import "FunctionCache.h"

#import "PlainState.h"
#import "BackjumpState.h"
#import "LeapfrogState.h"
#import "DepthFirstSearch.h"
#import "BroadeningSearch.h"


/* ÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐ  */


#define PLAIN		0
#define BACKJUMP	1
#define LEAPFROG	2


/* ÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐ  */


@implementation Puzzle

- getCrossword			{	return crossword;		}
- getInspector			{	return inspector;		}
- getDictionary			{	return dictionary;		}
- getState				{	return state;			}
- (BOOL) canContinue	{	return canContinue;		}


/* ÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐ  */


- free
{
	[dictionary  free];
	[search  free];
	[state  free];
	
	return [super  free];
}


/* ÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐ  */


/*

Here are the routines that put together the search.  The biggest step is extracting the squares and words from the puzzle.  Then the search is initialized and executed.

*/

- newSearch: sender
{
	id				stateType, searchType;
	StopWatch		* watch;
	
	[search  free];
	[state  free];
	[crossword  clear: [inspector  getColor: 0]];
	
	switch ([inspector  getStateType])
	{
		case PLAIN:		stateType = [PlainState  class];		break;
		case BACKJUMP:	stateType = [BackjumpState  class];		break;
		case LEAPFROG:	stateType = [LeapfrogState  class];		break;
		default:		stateType = nil;						break;
	}
	
	switch ([inspector  getOption: BROADENING])
	{
		case NO:	searchType = [DepthFirstSearch  class];		break;
		case YES:	searchType = [BroadeningSearch  class];		break;
		default:	searchType = nil;							break;
	}
	
	[search = [searchType  alloc]  init];
	[state = [stateType  alloc]  initPuzzle: self];
	[[watch = [inspector  getWatch]  reset]  start];
	canContinue = [search  startSearch: [state  getSquares]];
	
	[watch  stop];
	[inspector  showTime];
	
	return self;
}


- continue: sender
{
	StopWatch		* watch;
	
	[watch = [inspector  getWatch]  start];
	canContinue = [search  continue];
	[watch  stop];
	[inspector  showTime];
	
	return self;
}


- step: sender
{
	StopWatch		* watch;
	
	[watch = [inspector  getWatch]  start];
	canContinue = [search  step];
	[watch  stop];
	[inspector  showTime];
	
	return self;
}


@end

These are the contents of the former NiCE NeXT User Group NeXTSTEP/OpenStep software archive, currently hosted by Netfuture.ch.