search.php

来自「sabreipb 2.1.6 utf-8中文版本！」· PHP 代码 · 共 1,763 行 · 第 1/4 页

		//$this->ipsclass->vars['db_topic_read_cutoff'] = 0;
		
		//-----------------------------------------
		// Stop search from marking forum as read
		//-----------------------------------------
		
		if ( is_array( $this->read_array ) )
		{
			if ( array_key_exists( $topic['tid'], $this->read_array ) )
			{
				if( !$topic['db_read'] OR $this->read_array[$topic['tid']] > $topic['db_read'] )
				{
					$topic['db_read'] = $this->read_array[$topic['tid']];
				}
			}
		}
	
		$this->forums->new_posts = 1;
		
		$topic = $this->forums->parse_data( $topic );
		
		$this->ipsclass->vars['db_topic_read_cutoff'] = $tmp;
		
		if ($topic['pinned'] == 1)
		{
			$topic['prefix']     = $this->ipsclass->vars['pre_pinned'];
			$topic['topic_icon'] = "<{B_PIN}>";
		}
		
		//-----------------------------------------
		// Remove potential [attachmentid= tag in title
		//-----------------------------------------
		
		$topic['topic_title'] = str_replace( '[attachmentid=', '&#91;attachmentid=', $topic['topic_title'] );
		
		//-----------------------------------------
		// Extra processing for posts..
		//-----------------------------------------
		
		if ($view_as_post == 1)
		{
			if ( $this->ipsclass->vars['search_post_cut'] )
			{
				$topic['post'] = substr( $topic['post'], 0, $this->ipsclass->vars['search_post_cut']) . '...';
				$topic['post'] = str_replace( "\n", "<br />", $topic['post'] );
			}
			
			if ($topic['author_id'])
			{
				$topic['author_name'] = $topic['members_display_name'] ? $topic['members_display_name'] : $topic['author_name'];
				$topic['author_name'] = "<b><a href='{$this->base_url}showuser={$topic['author_id']}'>{$topic['author_name']}</a></b>";
			}
			
			//-----------------------------------------
			// Highlighting?
			//-----------------------------------------
			
			if ($topic['keywords'])
			{
				$topic['keywords'] = $this->ipsclass->clean_value(rawurldecode($topic['keywords']));
				$loosematch = strstr( $topic['keywords'], '*' ) ? 1 : 0;
				$keywords   = str_replace( '*', '', str_replace( "+", " ", str_replace( '-', '', trim($topic['keywords']) ) ) );
				$word_array = array();
				$endmatch1  = "";
				$endmatch2  = "(.)?";
				
				if ( preg_match("/,(and|or),/i", $keywords) )
				{
					while ( preg_match("/,(and|or),/i", $keywords, $match) )
					{
						$word_array = explode( ",".$match[1].",", $keywords );
						$keywords   = str_replace( $match[0], '' ,$keywords );
					}
				}
				else if ( strstr( $keywords, ' ' ) )
				{
					$word_array = explode( ' ', str_replace( '  ', ' ', $keywords ) );
				}
				else
				{
					$word_array[] = $keywords;
				}
				
				if ( ! $loosematch )
				{
					$endmatch1 = "(\s|,|\.|!|<br|&|$)";
					$endmatch2 = "(\<|\s|,|\.|!|<br|&|$)";
				}
					
				if (is_array($word_array))
				{
					foreach ($word_array as $keywords)
					{
						while( preg_match( "/(^|\s|;)(".preg_quote($keywords, '/')."){$endmatch1}/i", $topic['post'] ) )
					   {
						   $topic['post'] = preg_replace( "/(^|\s|;|\>)(".preg_quote($keywords, '/')."){$endmatch2}/is", "\\1<span class='searchlite'>\\2</span>\\3", $topic['post'] );
					   }
					}
				}
			}
		}
		
		if ( ! $this->ipsclass->member['view_img'] )
		{
			//-----------------------------------------
			// unconvert smilies first, or it looks a bit crap.
			//-----------------------------------------
			
			$topic['post'] = preg_replace( "#<!--emo&(.+?)-->.+?<!--endemo-->#", "\\1" , $topic['post'] );
			
			$topic['post'] = preg_replace( "/<img src=[\"'](.+?)[\"'].+?".">/", "(IMG:<a href='\\1' target='_blank'>\\1</a>)", $topic['post'] );
		}
		
		$topic['forum_full_name'] = $this->ipsclass->forums->forum_by_id[ $topic['forum_id'] ]['name'];
		
		if ( strlen($topic['forum_full_name']) > 50 )
		{
			$topic['forum_name'] = substr( $topic['forum_full_name'], 0, 47 ) .'...';
		}
		else
		{
			$topic['forum_name'] = $topic['forum_full_name'];
		}
		
		//$this->parser->parse_html  = ( $this->ipsclass->forums->forum_by_id[ $topic['forum_id'] ]['use_html'] and $this->ipsclass->cache['group_cache'][ $this->ipsclass->member['mgroup'] ]['g_dohtml'] and $topic['post_htmlstate'] ) ? 1 : 0;
		//$this->parser->parse_wordwrap = $this->ipsclass->vars['post_wordwrap'];
		//$this->parser->parse_nl2br    = $topic['post_htmlstate'] == 2 ? 1 : 0;
		
		//$topic['post'] = $this->parser->pre_display_parse( $topic['post'] );
		
		return $topic;
	}
        
    /*-------------------------------------------------------------------------*/
    // Filter keywords
    /*-------------------------------------------------------------------------*/
        
    function filter_keywords($words="", $name=0)
    {
    	// force to lowercase and swop % into a safer version
    	$words = trim( str_replace( "%", "\\%", $words) );

    	// Remove trailing boolean operators

    	$words = preg_replace( "/\s+(and|or)$/" , "" , $words );

    	// Swop wildcard into *SQL percent
    	//$words = str_replace( "*", "%", $words );
    	
    	// Make safe underscores
    	
    	$words = str_replace( "_", "\\_", $words );

    	$words = str_replace( '|', "&#124;", $words );
    	
    	// Remove crap
    	
    	if ($name == 0)
    	{
    		$words = preg_replace( "/[\|\[\]\{\}\(\)\,:\\\\\/\"']|&quot;/", "", $words );
    	}

    	// Remove common words.. (should be expanded upon in a later release to return 'not searchable word'
    	
    	$words = preg_replace( "/^(?:img|quote|code|html|javascript|a href|color|span|div|border|style)$/", "", $words );

    	return " ".preg_quote($words)." ";
    }
    
    /*-------------------------------------------------------------------------*/
    // Filter keywords
    /*-------------------------------------------------------------------------*/
    
    function filter_ftext_keywords($words="")
    {
		// force to lowercase and swop % into a safer version
    	
    	$words = trim( rawurldecode($words) );
    	$words = str_replace( '|', "&#124;", $words );
    	
    	// Remove crap
    	
    	$words = str_replace( "&quot;", '"', $words );
    	$words = str_replace( "&gt;"  , ">", $words );
    	$words = str_replace( "%"     , "" , $words );
    	
    	//-----------------------------------------
    	// If it's a phrase in quotes..
    	//-----------------------------------------
    	
    	if ( preg_match( "#^\"(.+?)\"$#", $words ) )
    	{
    		return $words;
    	}
    	
    	// Remove common words..
    	
    	$words = preg_replace( "/^(?:img|quote|code|html|javascript|a href|color|span|div|border|style)$/", "", $words );
    	
    	// OK, lets break up the keywords
    	
    	// this or that and this not me
    	
    	$words = preg_replace( "/\s+and\s+/i", " ", $words );
    	
    	// this or that this not me
    	
    	$words = preg_replace( "/\s+not\s+/i", " -", $words );
    	
    	// this or that this -me
    	
    	$words = preg_replace( "/\s+or\s+/i", ' ~', $words );
    	
    	// this ~that this -me
    	
    	# Was added as a bug fix but really this causes more problems
    	# than it solves. Complaint was that it should default to AND
    	# matching, not OR matching. Problem is that it doesn't then
    	# give a "true" search as one would expect Google to do.
    	
    	//$words = preg_replace( "/\s+(?!-|~)/", " +", $words );
    	
    	
    	// this ~that +this -me
    	
    	$words = preg_replace( "/~/", "", $words );
    	
    	// this that +this -me
    	
    	return "+".$words;
    }
    
    /*-------------------------------------------------------------------------*/
    // Make the hl words nice and stuff
    /*-------------------------------------------------------------------------*/
    
    function convert_highlite_words($words="")
    {
    	$words = $this->ipsclass->parse_clean_value(trim(urldecode($words)));
    	
    	// Convert booleans to something easy to match next time around
    	
    	$words = preg_replace("/\s+(and|or)(\s+|$)/i", ",\\1,", $words);
    	
    	// Convert spaces to plus signs
    	
    	$words = preg_replace("/\s/", "+", $words);
    	
    	return $words;
    }
        
    /*-------------------------------------------------------------------------*/
    // Get the searchable forums
    /*-------------------------------------------------------------------------*/
        
    function get_searchable_forums()
    {
		$forumids = array();
		
    	//-----------------------------------------
    	// Check for an array
    	//-----------------------------------------
    	
    	if ( is_array( $_POST['forums'] )  )
    	{
    	
    		if ( in_array( 'all', $_POST['forums'] ) )
    		{
    			//-----------------------------------------
    			// Searching all forums..
    			//-----------------------------------------
    			
    			foreach( $this->ipsclass->forums->forum_by_id as $id => $data )
    			{
    				$forumids[] = $data['id'];
    			}
    		}
    		else
    		{
				//-----------------------------------------
				// Go loopy loo
				//-----------------------------------------
				
				foreach( $_POST['forums'] as $l )
				{
					if ( $this->ipsclass->forums->forum_by_id[ $l ] )
					{
						$forumids[] = intval($l);
					}
				}
				
				//-----------------------------------------
				// Do we have cats? Give 'em to Charles!
				//-----------------------------------------
				
				if ( count( $forumids  ) )
				{
					foreach( $forumids as $f )
					{
						$children = $this->ipsclass->forums->forums_get_children( $f );
						
						if ( is_array($children) and count($children) )
						{
							$forumids  = array_merge( $forumids , $children );
						}
					}
				}
				else
				{
					//-----------------------------------------
					// No forums selected / we have available
					//-----------------------------------------
					
					return;
				}
    		}
		}
		else
		{
			//-----------------------------------------
			// Not an array...
			//-----------------------------------------
			
			if ( $this->ipsclass->input['forums'] == 'all' )
			{
				foreach( $this->ipsclass->forums->forum_by_id as $id => $data )
    			{
    				$forumids[] = $data['id'];
    			}
			}
			else
			{
				if ( $this->ipsclass->input['forums'] != "" )
				{
					$l = intval($this->ipsclass->input['forums']);
					
					//-----------------------------------------
					// Single forum
					//-----------------------------------------
					
					if ( $this->ipsclass->forums->forum_by_id[ $l ] )
					{
						$forumids[] = intval($l);
					}
					
					if ( $this->ipsclass->input['searchsubs'] == 1 )
					{
						$children = $this->ipsclass->forums->forums_get_children( $l );
						
						if ( is_array($children) and count($children) )
						{
							$forumids  = array_merge( $forumids , $children );
						}
					}
				}
			}
		}
		
		$final = array();
		
		foreach( $forumids  as $f )
		{
			if ( $this->check_access($this->ipsclass->forums->forum_by_id[ $f ] ) == TRUE )
			{
				$final[] = $f;
			}
		}
		
		//-----------------------------------------
		// Remove blocked forums
		//-----------------------------------------
		
		if ( $this->ipsclass->input['CODE'] == 'getnew' OR $this->ipsclass->input['CODE'] == 'getactive' )
    	{
    		$block_forums = explode( ',', $this->ipsclass->vars['vnp_block_forums'] );
    		
    		if ( is_array( $block_forums ) and count( $block_forums ) )
    		{
    			if ( is_array( $final ) and count( $final ) )
    			{
    				$tmp   = $final;
    				$final = array();
    			
					foreach( $tmp as $internal => $id )
					{
						if ( in_array( $id, $block_forums ) )
						{
							continue;
						}
						else
						{
							$final[] = $id;
						}
					}
    			}
    		}
    	}
    	
    	//-----------------------------------------
    	// Return
    	//-----------------------------------------
    	
    	return implode( "," , $final );
    }
        
    /*-------------------------------------------------------------------------*/
    // Check password...
    /*-------------------------------------------------------------------------*/
    
    function check_access($i)
    {
		$can_read = FALSE;
  
    	if ( $this->ipsclass->check_perms( $i['read_perms'] ) == TRUE )
    	{
    		$can_read = TRUE;
    	}
    	else
    	{
    		$can_read = FALSE;
    	}
        
        if ( $i['password'] != "" and $can_read == TRUE )
		{
			if ( $this->ipsclass->forums->forums_compare_password( $i['id'] ) == TRUE )
			{
				$can_read = TRUE;
			}
			else
			{
				$can_read = FALSE;
			}
		}
		
		return $can_read;
	}
        
}

?>