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