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/home/cluster1/data/bu01/1121861/jlex/php4/mysql_to_xml.php4

<?
include_once("group.php4");
include_once("schema_loader.php4");
include_once("char_classes_parser.php4");
include_once("db_connection.php4");
include_once("query_object.php4");
include_once("menu_items_parser.php4");

class mysql_to_xml {

/**********************************************************************************************************/

function get_table_names($project,$group) {
	$group_names = $group->get_group_names();
	$tables = array();
	foreach($group_names as $name) {
	    $tables[] = $project."_".$name;
	}
	return $tables;
    }

/**********************************************************************************************************/

function unhtmlentities ($string)  {
	$trans_tbl = get_html_translation_table (HTML_ENTITIES);
	$trans_tbl = array_flip ($trans_tbl);

$length = strlen($string);
	for($i=0;$i<$length;$i++) {
	    $char = $string[$i];
	}

$ret = strtr ($string, $trans_tbl);
	return preg_replace('/&#(\d+);/me',
			    "chr('\\1')",$ret);
    }

/**********************************************************************************************************/

/**********************************************************************************************************/
    /*
     The linguist indicates the corresponding XSLT file using the variable, $stylesheet. 
     If no $stylesheet is provided, the data is returned in xml form.
    */
    function convert_resultset_to_xml($query_object) {
	$group = $query_object->get_group();
	$head_tag = $group->name;
	$main_ids = $query_object->get_main_ids();
	$page = $query_object->get_page();
	$stylesheet = $query_object->get_stylesheet();
	$project = $query_object->get_project();
	$max_results = $query_object->get_max_results();

$xml = "<?xml version=\"1.0\" encoding=\"iso-8859-1\"?>\n";

if($stylesheet != "") {
	    $xml .= "<?xml-stylesheet href='$stylesheet' type='text/xsl'?>\n";
	}
	$strings = "";
	$num_conditions = $query_object->get_num_conditions();
	for($i=0;$i<$num_conditions;$i++) {
	    $string = $query_object->get_string($i);
	    $string = ereg_replace("<","&lt;",$string);
	    $string = ereg_replace(">","&gt;",$string);
	    $strings .= "<search_string>$string</search_string>\n";
	}
	$xml .= "<resultset num_results='".count($main_ids)."' page='$page'>\n";
	$xml .= $strings;
	$max_results = $query_object->get_max_results();
	if($max_results == "") {
	    $max_results = 50;
	}

if(count($main_ids) > 0) {
	    $reg_exp = "";
	    $last = $page*$max_results;
	    if($last > count($main_ids)) {
		$last = count($main_ids);
	    }

for($j=($page*$max_results-$max_results);$j<$last;$j++) {
		$ids[] = $main_ids[$j];
	    }

foreach($ids as $main_id) {
		$main_id = trim($main_id);
		if($main_id != "") {
		    $reg_exp .= $head_tag."_id = $main_id OR ";
		}
	    }
	    $reg_exp = substr($reg_exp,0,-4);
	    $tables = $this->get_table_names($project,$group);
	    
	    foreach($tables as $table) {
		$group_name = substr($table,strpos($table,"_")+1);
		$query = "SELECT * FROM $table WHERE $reg_exp";
		$query_result = mysql_query($query);
		if($group_name == $head_tag) {
		    $id_field = $head_tag."_id";
		}
		else {
		    $id_field = "parent_id";
		}
		while($row = mysql_fetch_assoc($query_result)) {
		    $data[$row[$id_field]."_$group_name"][] = $row;
		}
		
	    }
	    
	    foreach($ids as $index=>$main_id) {
		if($main_id != "") {		    
		    $group->destroy_subgroups();
		    $group->main_id = $main_id;
		    $group->id = $main_id;
		    $group->parent = false;
		    $row = $data[$main_id."_".$group->name][0];
		    
		    $group->load_query_result($row,$data);
		    
		    $ref = $group->field_vals["ref"][0];
		    //echo "$ref : ".$group->template."<BR>";
		    $template = explode(" ",trim($group->template));
		    $cur_xml = $group->to_xml_3($template,false);
		    $xml .= $cur_xml;
		}
	    }	    		    
	}
	$xml .= "</resultset>";
	$query_object->set_xml($xml);
	return $query_object;
    }

/**********************************************************************************************************/