/*
	EXSearchCore.m

	Search related class which implements the search coordinated over contexts content 
	and contexts attributes

	Copyright (C) 2004 Quentin Mathe <qmathe@club-internet.fr>

	Author:   Quentin Mathe <qmathe@club-internet.fr>
	Created:  August 2004

	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.

	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
	Lesser General Public License for more details.

	You should have received a copy of the GNU Lesser General Public
	License along with this library; if not, write to the Free Software
	Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
*/

#import <Foundation/Foundation.h>
#import <AppKit/AppKit.h>
#import "EXAttributesCore.h"
#import "EXContentIndexCore.h"
#import "EXContext.h"
#import "EXSearchCore.h"

static EXSearchCore *sharedInstance = nil;

@interface EXSearchResult : NSObject
{

}

@end

@implementation EXSearchResult

@end

@implementation EXSearchCore

// Basic methods

+ (EXSearchCore *) sharedInstance
{
  if (sharedInstance == nil)
    {
      sharedInstance = [EXSearchCore alloc];   
      sharedInstance = [sharedInstance init];
    }
    
  return sharedInstance;      
}

- (id) init
{
  if (sharedInstance != self)
    {
      RELEASE(self);
      return RETAIN(sharedInstance);
    }
  
  if ((self = [super init])  != nil)
    {
      _infoCore = [EXAttributesCore sharedInstance];
      _indexCore = [EXContentIndexCore sharedInstance];
    }
  
  return self;
}

// Search related methods

- (EXSearchResult *) searchWithQuery: (EXQuery *)query 
                               update: (BOOL)flag 
                              handler: (id <EXQueryHandler>)handler
// Rely on the TrackerKit to return a tree structure in the case the query has 
// been inited with a structural key
{
  return nil;
}

- (EXSearchResult *) searchWithQuery: (EXQuery *)query 
                               update: (BOOL)flag 
                             handlers: (id <EXQueryHandler>)firstHandler, ...
{
  return nil;
}

- (EXSearchResult *) searchForName: (NSString *)name 
                 insideContextsPath: (NSArray *)paths // Can be an XPath
{
  return nil;
}

- (EXSearchResult *) searchForKeywords: (EXKeywordsAttribute *)keywords 
                     insideContextsPath: (NSArray *)paths // Can be an XPath
{
  return nil;
}

@end