Sequenzia/lib/Rails/Xml/Xml.php
2013-10-02 11:14:53 -05:00

77 lines
1.9 KiB
PHP
Executable File

<?php
namespace Rails\Xml;
use Rails;
class Xml
{
private
$_root,
$_buffer = '',
$_attrs = [],
$_params = [];
public function __construct($el = null, array $params = [])
{
if ($el instanceof \Rails\ActiveRecord\Base) {
$attrs = $el->toXml();
} elseif (is_array($el)) {
$attrs = $el;
} else {
throw new Exception\InvalidArgumentException(
sprintf("%s accepts either a child of ActiveRecord\Base or an array, %s passed",
__METHOD__, gettype($attrs))
);
}
if (!isset($params['root']))
throw new Exception\InvalidArgumentException(
sprintf('InvalidArgumentException', "Missing 'root' parameter for %s", __METHOD__)
);
$this->_attrs = $attrs;
$this->_root = $params['root'];
unset($params['root']);
$this->_params = $params;
}
public function instruct()
{
$this->_buffer .= '<?xml version="1.0" encoding="UTF-8"?>'."\n";
}
public function create()
{
if (empty($this->_params['skip_instruct']))
$this->instruct();
$this->_buffer .= '<'.$this->_root;
$attrs_str = [];
# TODO: fix $val, it should accept any value.
foreach ($this->_attrs as $name => $val) {
if (is_bool($val))
$val = $val ? 'true' : 'false';
elseif (!is_scalar($val))
$val = '';
$attrs_str[] = $name . '="'.htmlspecialchars((string)$val).'"';
}
$this->_buffer .= ' ' . implode(' ', $attrs_str);
$this->_buffer .= ' />';
}
public function output()
{
if (!$this->_buffer)
$this->create();
return $this->_buffer;
}
}