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<?php
/* OpenDb - Open Media Lending Database
Copyright (C) 2001,2002 by Jason Pell
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
This program 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
//
// Should be considered hidden methods.
//
function escape_xml_entities($str)
{
// this can be found in functions/utils.php
return str_replaces(
array("\"", "<", ">", "\n", "\r", "&"), // find
array(""", "<", ">", " ", " ", "&"), // replace
$str);
}
//utility functions
function tab_indent($level)
{
if(is_numeric($level) && $level>0)
return str_repeat("\t", $level);
else
return "";
}
class OpenDb_XML
{
var $classname = 'OpenDb_XML';
var $_level = 1;
/*
* The content type, when saved as file.
*/
function get_file_content_type()
{
return 'text/xml';
}
/*
* The filename extension, when saved as file.
*/
function get_file_extension()
{
return 'xml';
}
function get_display_name()
{
return 'Open Media Lending Database XML';
}
function get_plugin_type()
{
return 'item';
}
/*
* The file header, when saved as file.
*/
function file_header($title)
{
return "<?xml version=\"1.0\" encoding=\"ISO-8859-1\" ?>\n".
"<!DOCTYPE opendb-items PUBLIC \"-//Open Media Lending Database//DTD OpenDb Item Export 1.1//EN\" \"http://opendb.i-am-vegan.net/dtd/opendb-items_1.1.dtd\">\n\n".
"<!--\n".
"\t$title\n".
"-->\n".
"<opendb-items version=\"1.1\">";
}
/*
* The file footer, when saved as file.
*/
function file_footer()
{
return "\n</opendb-items>\n";
}
function start_item($item_id, $s_item_type, $title, $category_r)
{
$category = '';
if(is_array($category_r))
{
for($i=0; $i<count($category_r); $i++)
{
if(!empty($category))
$category .= ' ';
$category.= $category_r[$i];
}
}
return "\n".tab_indent($this->_level++)."<item item_id=\"$item_id\" s_item_type=\"$s_item_type\" title=\"".escape_xml_entities($title)."\" category=\"".escape_xml_entities($category)."\">";
}
function end_item($item_id)
{
return "\n".tab_indent(--$this->_level)."</item>";
}
function item_instance($item_id, $instance_no, $owner_id, $borrow_duration, $s_status_type, $status_comment)
{
return "\n".tab_indent($this->_level)."<instance instance_no=\"$instance_no\" owner_id=\"$owner_id\" borrow_duration=\"$borrow_duration\" s_status_type=\"$s_status_type\" status_comment=\"".escape_xml_entities($status_comment)."\"/>";
}
function item_attribute($item_id, $s_attribute_type, $order_no, $attribute_val)
{
return "\n".tab_indent($this->_level)."<attribute s_attribute_type=\"$s_attribute_type\" order_no=\"$order_no\">".
escape_xml_entities($attribute_val).
"</attribute>";
}
function item_lookup_attributes($item_id, $s_attribute_type, $order_no, $attribute_lookup_val_r)
{
$block = '';
for($i=0; $i<count($attribute_lookup_val_r); $i++)
{
$block .= "\n".tab_indent($this->_level)."<attribute s_attribute_type=\"$s_attribute_type\" order_no=\"$order_no\">".
escape_xml_entities($attribute_lookup_val_r[$i]).
"</attribute>";
}
return $block;
}
}
?>
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