Online PHP editor | rfc for 7p58O

@ 2013-09-20T12:09:18Z

<?php
$xpath = "/bids_offers/market_submit/sem_gen_technical_offer/block_deloading/point[2]";
$xml = new EformDOMDocument();
$root = $xml->createElement("bids_offers");
$xml->appendChild($root);
$xml->buildMissingTree($xpath);
$xml->formatOutput = true;
echo $xml->saveXML();

class EformDOMDocument extends DOMDocument {

    public $xpath;

    public function __construct($version = null, $encoding = null) {
        parent::__construct($version, $encoding);
        $this->xpath = new DOMXPath($this);
    }

    public function setAttributeX($path, $attributeName, $attributeValue) {
        // check if path returns anything valid
        if ($this->xpath->query($path)->length == 0) {
            $this->buildMissingTree($path);
        }
        $this->xpath->query($path)->item(0)->setAttribute($attributeName, $attributeValue);
    }

    public function buildMissingTree($path) {
        $missingNodes = array();
        $tempPath = $path;
        // build an array of missing elements in the path
        while ($this->xpath->query($tempPath)->length == 0) {
            $tempName = basename($tempPath);
            $tempPath = dirname($tempPath);
            // deal with such: testnode[@type='HOT'] or [#]
            if (strpos($tempName, '[') === FALSE) {
                // no attributes use $tempName
                $missingNodes[] = $this->createElement($tempName);
            } else {
                // split element name and attribute, create both separate, append attribute to element, push into the aray
                $tempHolder = explode('[', $tempName);
                $tempElement = $this->createElement($tempHolder[0]);

                // [1] is attribute, clean it up, split name and value
                if (strpos($tempHolder[1], '@') !== FALSE) {
                    // element has attiribute if it has @ in the path piece
                    $attParam = str_replace(array('@', '\'', ']'), '', $tempHolder[1]);
                    $attribute = explode('=', $attParam);
                    $tempElement->setAttribute($attribute[0], $attribute[1]);
                } // otherwise its a number of the node in the sequence, skip it, as if xml is generated is in order, 
                //previous nodes should exist already

                $missingNodes[] = $tempElement;
                $tempElement = null;
            }
        }
        // build the structure with missing elements (use $missingNodes array)
        // get existing end
echo $tempPath;
var_dump($missingNodes[0]);
        
        $currentElement = $this->xpath->query($tempPath)->item(0);
        while (($newElement = array_pop($missingNodes) !== NULL)) {
            $currentElement->appendChild($newElement);
            $currentElement = $newElement;
        }
    }

    /**
     * Checks if document has at least one element with a name (and optional attribute) provided
     * 
     * @param string $name
     * @return mixed
     */
    public function hasElement($name, $attribute = '') {
        $elements = $this->getElementsByTagName($name);

        if ($elements->length > 0) {
            if ($attribute == '') {
                return true;
            }

            // if attribute provided, check through the list for the element with provided attribute
            for ($i = 0; $i < $elements->length; $i++) {
                // TODO fix that checks on attibute value too, not just name
                if ($elements->item($i)->hasAttribute($attribute)) {
                    return $elements->item($i);
                    //return true;
                }
            }
        }

        return false;
    }

    /**
     * 
     * @param string $name
     * @param string $attributeParameters provided as "attr1name=value1;attr2name=value2...etc."
     * @return DOMElement
     */
    public function createElementWithAttributes($name, $attributeParameters = '') {
        $element = $this->createElement($name);
        // atributes provided as "attr1name=value1;attr2name=value2...etc."
        if ($attributeParameters != '') {
            // separate multiple parameters
            $attributes = explode(';', $attributeParameters);
            // add parameters to the element
            foreach ($attributes as $attribute) {
                $keyvalue = explode('=', $attribute);
                $element->setAttribute($keyvalue[0], $keyvalue[1]);
            }
        }

        return $element;
    }

}

Output for git.master, git.master_jit: Deprecated: DOMDocument::__construct(): Passing null to parameter #1 ($version) of type string is deprecated in /in/7p58O on line 15 Deprecated: DOMDocument::__construct(): Passing null to parameter #2 ($encoding) of type string is deprecated in /in/7p58O on line 15 /bids_offersobject(DOMElement)#4 (23) { ["schemaTypeInfo"]=> NULL ["tagName"]=> string(5) "point" ["firstElementChild"]=> NULL ["lastElementChild"]=> NULL ["childElementCount"]=> int(0) ["previousElementSibling"]=> NULL ["nextElementSibling"]=> NULL ["nodeName"]=> string(5) "point" ["nodeValue"]=> string(0) "" ["nodeType"]=> int(1) ["parentNode"]=> NULL ["childNodes"]=> string(22) "(object value omitted)" ["firstChild"]=> NULL ["lastChild"]=> NULL ["previousSibling"]=> NULL ["nextSibling"]=> NULL ["attributes"]=> string(22) "(object value omitted)" ["ownerDocument"]=> string(22) "(object value omitted)" ["namespaceURI"]=> NULL ["prefix"]=> string(0) "" ["localName"]=> string(5) "point" ["baseURI"]=> NULL ["textContent"]=> string(0) "" } Fatal error: Uncaught TypeError: DOMNode::appendChild(): Argument #1 ($node) must be of type DOMNode, bool given in /in/7p58O:63 Stack trace: #0 /in/7p58O(63): DOMNode->appendChild(true) #1 /in/7p58O(6): EformDOMDocument->buildMissingTree('/bids_offers/ma...') #2 {main} thrown in /in/7p58O on line 63
Process exited with code 255.
Output for rfc.property-hooks: Deprecated: DOMDocument::__construct(): Passing null to parameter #1 ($version) of type string is deprecated in /in/7p58O on line 15 Deprecated: DOMDocument::__construct(): Passing null to parameter #2 ($encoding) of type string is deprecated in /in/7p58O on line 15 /bids_offersobject(DOMElement)#4 (23) { ["schemaTypeInfo"]=> NULL ["tagName"]=> string(5) "point" ["firstElementChild"]=> NULL ["lastElementChild"]=> NULL ["childElementCount"]=> int(0) ["previousElementSibling"]=> NULL ["nextElementSibling"]=> NULL ["nodeName"]=> string(5) "point" ["nodeValue"]=> string(0) "" ["nodeType"]=> int(1) ["parentNode"]=> NULL ["childNodes"]=> string(22) "(object value omitted)" ["firstChild"]=> NULL ["lastChild"]=> NULL ["previousSibling"]=> NULL ["nextSibling"]=> NULL ["attributes"]=> string(22) "(object value omitted)" ["ownerDocument"]=> string(22) "(object value omitted)" ["namespaceURI"]=> NULL ["prefix"]=> string(0) "" ["localName"]=> string(5) "point" ["baseURI"]=> NULL ["textContent"]=> string(0) "" } Fatal error: Uncaught TypeError: DOMNode::appendChild(): Argument #1 ($node) must be of type DOMNode, true given in /in/7p58O:63 Stack trace: #0 /in/7p58O(63): DOMNode->appendChild(true) #1 /in/7p58O(6): EformDOMDocument->buildMissingTree('/bids_offers/ma...') #2 {main} thrown in /in/7p58O on line 63
Process exited with code 255.

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