seo.url.php

Zen Cart是真正的电子商务艺术

							break;
						default:
							$container[$p2[0]] = $p2[1];
							break;
						} # end switch
					break;
				case 'manufacturers_id':
					switch(true){
						case ($page == FILENAME_DEFAULT && !$this->is_cPath_string($params) && !$this->is_product_string($params)):
							$url = $this->make_url($page, $this->get_manufacturer_name($p2[1]), $p2[0], $p2[1], '.html', $separator);
							break;
						case ($page == FILENAME_PRODUCT_INFO):
							break;
						default:
							$container[$p2[0]] = $p2[1];
							break;					
						} # end switch
					break;
				case 'pID':
					switch(true){
						case ($page == FILENAME_POPUP_IMAGE):
						$url = $this->make_url($page, $this->get_product_name($p2[1]), $p2[0], $p2[1], '.html', $separator);
						break;
					default:
						$container[$p2[0]] = $p2[1];
						break;
					} # end switch
					break;
				default:
					$container[$p2[0]] = $p2[1]; 
					break;
			} # end switch
		} # end foreach $p
		$url = isset($url) ? $url : $page;
		if ( sizeof($container) > 0 ){
			if ( $imploded_params = $this->implode_assoc($container) ){
				$url .= $separator . $this->output_string( $imploded_params );
				$separator = '&';
			}
		}
		return $url;
	} # end function

/**
 * Function to return the generated SEO URL	 
 * @author Bobby Easland 
 * @version 1.0
 * @param string $page
 * @param string $string Stripped, formed anchor
 * @param string $anchor_type Parameter type (products_id, cPath, etc.)
 * @param integer $id
 * @param string $extension Default = .html
 * @param string $separator NOTE: passed by reference
 * @return string
 */	
	function make_url($page, $string, $anchor_type, $id, $extension = '.html', &$separator){
		// Right now there is but one rewrite method since cName was dropped
		// In the future there will be additional methods here in the switch
		switch ( $this->attributes['SEO_REWRITE_TYPE'] ){
			case 'Rewrite':
				return $string . $this->reg_anchors[$anchor_type] . $id . $extension;
				break;
			default:
				break;
		} # end switch
	} # end function

	function get_info_manager_page_name($pages_id) {
		switch(true){
			case ($this->attributes['USE_SEO_CACHE_GLOBAL'] == 'true' && defined('INFO_MANAGER_PAGE_NAME_' . $pages_id)):
				$return = constant('INFO_MANAGER_PAGE_NAME_' . $pages_id);
				$this->cache['INFO_MANAGER_PAGES'][$pages_id] = $return;
				break;

			case ($this->attributes['USE_SEO_CACHE_GLOBAL'] == 'true' && isset($this->cache['INFO_MANAGER_PAGES'][$pages_id])):
				$return = $this->cache['INFO_MANAGER_PAGES'][$pages_id];
				break;

			default:
				$sql = "SELECT pages_title  
						FROM " . TABLE_INFO_MANAGER . " 
						WHERE pages_id = " . (int)$pages_id . " 
						LIMIT 1";
				$result = $this->db->Execute($sql);
				$pages_title = $this->strip($result->fields['pages_title']);
				$this->cache['INFO_MANAGER_PAGES'][$pages_id] = $pages_title;
				$return = $pages_title;
				break;	
		}		
		return $return;
	}

	function get_news_article_name($article_id) {
		switch(true){
			case ($this->attributes['USE_SEO_CACHE_GLOBAL'] == 'true' && defined('NEWS_ARTICLE_NAME_' . $article_id)):
				$return = constant('NEWS_ARTICLE_NAME_' . $article_id);
				$this->cache['NEWS_ARTICLES'][$article_id] = $return;
				break;

			case ($this->attributes['USE_SEO_CACHE_GLOBAL'] == 'true' && isset($this->cache['NEWS_ARTICLES'][$article_id])):
				$return = $this->cache['NEWS_ARTICLES'][$article_id];
				break;

			default:
				$sql = "SELECT news_article_name  
						FROM " . TABLE_NEWS_ARTICLES_TEXT . " 
						WHERE article_id = " . (int)$article_id . " 
						AND language_id = " . (int)$this->languages_id . "  
						LIMIT 1";
				$result = $this->db->Execute($sql);
				$news_article_name = $this->strip($result->fields['news_article_name']);
				$this->cache['NEWS_ARTICLES'][$article_id] = $news_article_name;
				$return = $news_article_name;
				break;	
		}		
		return $return;
	}

/**
 * Function to get the product name. Use evaluated cache, per page cache, or database query in that order of precedent	
 * @author Bobby Easland 
 * @version 1.1
 * @param integer $pID
 * @return string Stripped anchor text
 */	
	function get_product_name($pID){
		switch(true){
			case ($this->attributes['USE_SEO_CACHE_GLOBAL'] == 'true' && defined('PRODUCT_NAME_' . $pID)):
				$return = constant('PRODUCT_NAME_' . $pID);
				$this->cache['PRODUCTS'][$pID] = $return;
				break;

			case ($this->attributes['USE_SEO_CACHE_GLOBAL'] == 'true' && isset($this->cache['PRODUCTS'][$pID])):
				$return = $this->cache['PRODUCTS'][$pID];
				break;

			default:
				$sql = "SELECT products_name as pName 
						FROM " . TABLE_PRODUCTS_DESCRIPTION . " 
						WHERE products_id = " . (int)$pID . " 
						AND language_id = " . (int)$this->languages_id . "  
						LIMIT 1";
				$result = $this->db->Execute($sql);
				$pName = $this->strip($result->fields['pName']);
				$this->cache['PRODUCTS'][$pID] = $pName;
				$return = $pName;
				break;								
		} # end switch		
		return $return;
	} # end function
	
/**
 * Function to get the category name. Use evaluated cache, per page cache, or database query in that order of precedent 
 * @author Bobby Easland 
 * @version 1.1
 * @param integer $cID NOTE: passed by reference
 * @return string Stripped anchor text
 */	
	function get_category_name(&$cID){
		$full_cPath = $this->get_full_cPath($cID, $single_cID); // full cPath needed for uniformity
		switch(true){
			case ($this->attributes['USE_SEO_CACHE_GLOBAL'] == 'true' && defined('CATEGORY_NAME_' . $full_cPath)):
				$return = constant('CATEGORY_NAME_' . $full_cPath);
				$this->cache['CATEGORIES'][$full_cPath] = $return;
				break;
			case ($this->attributes['USE_SEO_CACHE_GLOBAL'] == 'true' && isset($this->cache['CATEGORIES'][$full_cPath])):
				$return = $this->cache['CATEGORIES'][$full_cPath];
				break;
			default:
				switch(true){
					case ($this->attributes['SEO_ADD_CAT_PARENT'] == 'true'):
						$sql = "SELECT c.categories_id, c.parent_id, cd.categories_name as cName, cd2.categories_name as pName  
								FROM ".TABLE_CATEGORIES_DESCRIPTION." cd, ".TABLE_CATEGORIES." c 
								LEFT JOIN ".TABLE_CATEGORIES_DESCRIPTION." cd2 
								ON c.parent_id=cd2.categories_id AND cd2.language_id='".(int)$this->languages_id."' 
								WHERE c.categories_id='".(int)$single_cID."' 
								AND cd.categories_id='".(int)$single_cID."' 
								AND cd.language_id='".(int)$this->languages_id."' 
								LIMIT 1";
						$result = $this->db->Execute($sql);
						$cName = $this->not_null($result->fields['pName']) ? $result->fields['pName'] . ' ' . $result->fields['cName'] : $result->fields['cName'];
						break;
					default:
						$sql = "SELECT categories_name as cName 
								FROM ".TABLE_CATEGORIES_DESCRIPTION." 
								WHERE categories_id='".(int)$single_cID."' 
								AND language_id='".(int)$this->languages_id."' 
								LIMIT 1";
						$result = $this->db->Execute($sql);
						$cName = $result->fields['cName'];
						break;
				}										
				$cName = $this->strip($cName);
				$this->cache['CATEGORIES'][$full_cPath] = $cName;
				$return = $cName;
				break;								
		} # end switch		
		$cID = $full_cPath;
		return $return;
	} # end function

/**
 * Function to get the manufacturer name. Use evaluated cache, per page cache, or database query in that order of precedent.
 * @author Bobby Easland 
 * @version 1.1
 * @param integer $mID
 * @return string
 */	
	function get_manufacturer_name($mID){
		switch(true){
			case ($this->attributes['USE_SEO_CACHE_GLOBAL'] == 'true' && defined('MANUFACTURER_NAME_' . $mID)):
				$return = constant('MANUFACTURER_NAME_' . $mID);
				$this->cache['MANUFACTURERS'][$mID] = $return;
				break;
			case ($this->attributes['USE_SEO_CACHE_GLOBAL'] == 'true' && isset($this->cache['MANUFACTURERS'][$mID])):
				$return = $this->cache['MANUFACTURERS'][$mID];
				break;
			default:
				$sql = "SELECT manufacturers_name as mName 
						FROM ".TABLE_MANUFACTURERS." 
						WHERE manufacturers_id='".(int)$mID."' 
						LIMIT 1";
				$result = $this->db->Execute($sql);
				$mName = $this->strip($result->fields['mName']);
				$this->cache['MANUFACTURERS'][$mID] = $mName;
				$return = $mName;
				break;								
		} # end switch		
		return $return;
	} # end function

/**
 * Function to retrieve full cPath from category ID 
 * @author Bobby Easland 
 * @version 1.1
 * @param mixed $cID Could contain cPath or single category_id
 * @param integer $original Single category_id passed back by reference
 * @return string Full cPath string
 */	
	function get_full_cPath($cID, &$original){
		if ( is_numeric(strpos($cID, '_')) ){
			$temp = @explode('_', $cID);
			$original = $temp[sizeof($temp)-1];
			return $cID;
		} else {
			$c = array();
			$this->GetParentCategories($c, $cID);
			$c = array_reverse($c);
			$c[] = $cID;
			$original = $cID;
			$cID = sizeof($c) > 1 ? implode('_', $c) : $cID;
			return $cID;
		}
	} # end function

/**
 * Recursion function to retrieve parent categories from category ID 
 * @author Bobby Easland 
 * @version 1.0
 * @param mixed $categories Passed by reference
 * @param integer $categories_id
 */	
	function GetParentCategories(&$categories, $categories_id) {
		$sql = "SELECT parent_id FROM " . TABLE_CATEGORIES . " WHERE categories_id = " . (int)$categories_id;

		$parent_categories = $this->db->Execute($sql);

		while (!$parent_categories->EOF) {
			if ($parent_categories->fields['parent_id'] == 0) return true;

			$categories[sizeof($categories)] = $parent_categories->fields['parent_id'];

			if ($parent_categories->fields['parent_id'] != $categories_id) {
				$this->GetParentCategories($categories, $parent_categories->fields['parent_id']);
			}

			$parent_categories->MoveNext();
		}
	}

	function not_null($value) {
		return zen_not_null($value);
	}

	function is_attribute_string($params){
		if (preg_match('/products_id=([0-9]+):([a-zA-z0-9]{32})/', $params)) {
			return true;
		}

		return false;
	}

	function is_product_string($params) {
		if (preg_match('/products_id=/i', $params)) {
			return true;
		}

		return false;
	}

	function is_cPath_string($params) {
		if (preg_match('/cPath=/i', $params)) {
			return true;
		}

		return false;
	}
	
/**
 * Function to strip the string of punctuation and white space 
 * @author Bobby Easland 
 * @version 1.1
 * @param string $string
 * @return string Stripped text. Removes all non-alphanumeric characters.
 */	
	function strip($string){
		if ( is_array($this->attributes['SEO_CHAR_CONVERT_SET']) ) $string = strtr($string, $this->attributes['SEO_CHAR_CONVERT_SET']);
		$pattern = $this->attributes['SEO_REMOVE_ALL_SPEC_CHARS'] == 'true'
						?	"([^[:alnum:]])+"
						:	"([[:punct:]])+";
		$anchor = ereg_replace($pattern, '', GBcase($string,"lower"));  // modified by zen-cart.cn
		$pattern = "([[:space:]]|[[:blank:]])+"; 
		$anchor = ereg_replace($pattern, '-', $anchor);
		return $this->short_name($anchor); // return the short filtered name 
	} # end function

/**
 * Function to expand the SEO_CONVERT_SET group 
 * @author Bobby Easland 
 * @version 1.0
 * @param string $set
 * @return mixed
 */	
	function expand($set){
		if ( $this->not_null($set) ){
			if ( $data = @explode(',', $set) ){
				foreach ( $data as $index => $valuepair){
					$p = @explode('=>', $valuepair);
					$container[trim($p[0])] = trim($p[1]);
				}
				return $container;
			} else {
				return 'false';
			}
		} else {
			return 'false';
		}
	} # end function
/**
 * Function to return the short word filtered string 
 * @author Bobby Easland 
 * @version 1.0
 * @param string $str
 * @param integer $limit
 * @return string Short word filtered
 */	
	function short_name($str, $limit=3){
		if ( $this->attributes['SEO_URLS_FILTER_SHORT_WORDS'] != 'false' ) $limit = (int)$this->attributes['SEO_URLS_FILTER_SHORT_WORDS'];
		$foo = @explode('-', $str);
		foreach($foo as $index => $value){
			switch (true){
				case ( strlen($value) <= $limit ):
					continue;
				default:
					$container[] = $value;
					break;
			}		
		} # end foreach
		$container = ( sizeof($container) > 1 ? implode('-', $container) : $str );
		return $container;
	}
	
/**
 * Function to implode an associative array 
 * @author Bobby Easland 
 * @version 1.0
 * @param array $array Associative data array
 * @param string $inner_glue
 * @param string $outer_glue
 * @return string
 */	
	function implode_assoc($array, $inner_glue='=', $outer_glue='&') {
		$output = array();
		foreach( $array as $key => $item ){
			if ( $this->not_null($key) && $this->not_null($item) ){
				$output[] = $key . $inner_glue . $item;
			}
		} # end foreach	
		return @implode($outer_glue, $output);
	}

/**
 * Function to translate a string 
 * @author Bobby Easland 
 * @version 1.0
 * @param string $data String to be translated
 * @param array $parse Array of tarnslation variables
 * @return string
 */	
	function parse_input_field_data($data, $parse) {
		return strtr(trim($data), $parse);
	}
	
/**
 * Function to output a translated or sanitized string 
 * @author Bobby Easland 
 * @version 1.0
 * @param string $sting String to be output
 * @param mixed $translate Array of translation characters
 * @param boolean $protected Switch for htemlspecialchars processing
 * @return string
 */	
	function output_string($string, $translate = false, $protected = false) {
		if ($protected == true) {
		  return htmlspecialchars($string);
		} else {
		  if ($translate == false) {
			return $this->parse_input_field_data($string, array('"' => '&quot;'));
		  } else {
			return $this->parse_input_field_data($string, $translate);
		  }
		}