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/home/cluster1/data/bu01/1121861/html/old_jlex_versions/beta/2005-08-04 php4/add_database.php4

<?
include_once "schema_discoverer.php4";
//include_once "flat_to_hierarchy_converter.php4";
include_once "db_loader.php4";
include_once "schema_checker.php4";
include_once "db_modifier.php4";
include_once "schema_loader.php4";

set_time_limit(0);

session_start();

$function = strtolower($_POST["function"]);

if($function == "get_fields") {
    $database = strtolower($_POST["database"]);
    $db_file = $_POST["db_file"];
    $head_tag = $_POST["head_tag"];
    $symbols = $_POST["symbols"];
    $first_chars = $_POST["first_chars"];

$db_modifier = new db_modifier();
    $db_modifier->get_fields($db_file,$head_tag,$symbols,$first_chars);
    
    $vars = $_POST;
    $vars["fields"] = $db_modifier->fields;
    $vars["strippable_fields"] = $db_modifier->strippable_fields;
    $_SESSION["vars"] = $vars;

if(file_exists("../$database/schema.xml")) {
	$sl = new schema_loader();
	$group = $sl->create_group_structure("../$database/schema.xml","");
	$existing_fields = array_merge($group->get_field_names(),$group->get_group_names()); 
    }
    else {
	$existing_fields = array();
    }

$xml = "<?xml version=\"1.0\" encoding=\"ISO-8859-1\"?>\n";
 $xml .= "<?xml-stylesheet href='../lex/make_fields_form.xsl' type='text/xsl'?>";
 $xml .= "<fields>\n";
 foreach($db_modifier->fields as $field) {
	$xml .= "<field>\n<name>$field</name>\n";
	if(in_array($field,$existing_fields)) {
	 $xml .= "<existed>1</existed>\n";
	}
	else {
	 $xml .= "<existed>0</existed>\n";
	}
	if(in_array($field,$db_modifier->strippable_fields)) {
	 $xml .= "<strippable>1</strippable>\n";
	 if(in_array($field."_s",$existing_fields)) {
		$xml .= "<existed_s>1</existed_s>\n";
	 }
	 else {
		$xml .= "<existed_s>0</existed_s>\n";
	 }
	}
	else {
	 $xml .= "<strippable>0</strippable>\n";
	}
	$xml .= "</field>\n";
 }
 $xml .= "</fields>";

header("Content-Type: application/xml");
    echo $xml;

}
else if($function == "modify") {

$vars = $_SESSION["vars"];
    $sort_fields = strtolower($vars["sort_fields"]);
    $head_tag = strtolower($vars["head_tag"]);
    $database = strtolower($vars["database"]);

$symbols = $vars["symbols"];
    $first_chars = $vars["first_chars"];
    $fields = $vars["fields"];
    $strippable_fields = $vars["strippable_fields"];
    $db_file = $vars["db_file"];
    $format_type = strtolower($vars["format_type"]);
    $schema = $vars["schema"];
    $new_database_name = $vars["new_database_name"];      
    $alpha_symbols = $vars["alpha_symbols"];
    $alpha_first_chars = $vars["alpha_first_chars"];
    $not_include = array();

if(array_key_exists("not_include",$_POST)) {
	$not_include = $_POST["not_include"];
    }
    $fields_not_to_strip = array();
    if(array_key_exists("fields_not_to_strip",$_POST)) {
	$fields_not_to_strip = $_POST["fields_not_to_strip"];
    }

$fields = array_diff($fields,$not_include);
    $strippable_fields = array_diff($strippable_fields,$not_include,$fields_not_to_strip);

if(!(($not_include == "") && ($fields_not_to_strip == "") && ($sort_fields == ""))) {
	$new_name = "modified_".$db_file;
	$db_modifier = new db_modifier();
	$db_modifier->modify($db_file,$new_name,$head_tag,
			     $sort_fields,$alpha_symbols, $alpha_first_chars,
			     $symbols,$first_chars,$fields,$strippable_fields);
	$db_file = $new_name;
    }

$path = "../$database";
    if(!file_exists($path)) {
	mkdir($path,0755);
    }
    $errors = array();

if($format_type == "has_structure") {
	echo "Inferring the form of each entry in order to create a schema... ";
	$sd = new schema_discoverer();
	$schema = $sd->create_schema($db_file,$head_tag); 
	$out = fopen("$path/schema.xml","w");
	fwrite($out,$schema);
	fclose($out);
	echo "Determined the schema. ";
 } 
 else if($format_type == "needs_structure") {
	/*
	$id_field = strtolower($_POST["id_field"]);
	$checker = new schema_checker();
	echo "Checking for errors in the structure of your database based on the supplied schema... ";
	$errors = $checker->check_schema($schema,$db_file,$id_field);
	if(count($errors) > 0) {
	 echo "One or more entries in your database do not match the schema. ";
	 echo "Please make the necessary changes to the following entries: ";
	 foreach($errors as $count=>$error) {
		echo ($count+1)." $error ";
	 }
	}
	else {	 
	 echo "No errors found. ";
	 echo "Converting flat xml to hierarchical xml... ";
	 $converter = new flat_to_hierarchy_converter();
	 $converter->produce_xml_with_hierarchy($database,$db_file,$schema,
						 $new_database_name,"$path/schema.xml");
	 unlink($db_file);
	 $db_file = $new_database_name;
	 echo "Created hierarchical database. ";
	}
	*/
 }
 if(count($errors) == 0) {
	echo "Loading database into MySQL... ";
	$mode = 1;
	$dl = new db_loader($mode,$db_file,$path."/schema.xml",$database);
	$dl->xml_to_tabledata();
	echo "Finished loading database. You are now ready to test! ";
 }
 
 echo "Fields included in the database: ";
 $include = $fields;
 foreach($strippable_fields as $field) {
	$include[] = $field."_s";
 }
 sort($include);
 foreach($include as $field) {
	echo "$field ";
 }
 
}