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| <?php | |
| /** | |
| * Pop PHP Framework (http://www.popphp.org/) | |
| * | |
| * @link https://github.com/popphp/popphp-framework | |
| * @author Nick Sagona, III <dev@nolainteractive.com> | |
| * @copyright Copyright (c) 2009-2018 NOLA Interactive, LLC. (http://www.nolainteractive.com) | |
| * @license http://www.popphp.org/license New BSD License | |
| */ | |
| /** | |
| * @namespace | |
| */ | |
| namespace Pop\Dom; | |
| /** | |
| * Dom child class | |
| * | |
| * @category Pop | |
| * @package Pop\Dom | |
| * @author Nick Sagona, III <dev@nolainteractive.com> | |
| * @copyright Copyright (c) 2009-2018 NOLA Interactive, LLC. (http://www.nolainteractive.com) | |
| * @license http://www.popphp.org/license New BSD License | |
| * @version 3.2.4 | |
| */ | |
| class Child extends AbstractNode | |
| { | |
| /** | |
| * Child element node name | |
| * @var string | |
| */ | |
| protected $nodeName = null; | |
| /** | |
| * Child element node value | |
| * @var string | |
| */ | |
| protected $nodeValue = null; | |
| /** | |
| * Child element node value CDATA flag | |
| * @var boolean | |
| */ | |
| protected $cData = false; | |
| /** | |
| * Flag to render children before node value or not | |
| * @var boolean | |
| */ | |
| protected $childrenFirst = false; | |
| /** | |
| * Child element attributes | |
| * @var array | |
| */ | |
| protected $attributes = []; | |
| /** | |
| * Flag to preserve whitespace | |
| * @var boolean | |
| */ | |
| protected $preserveWhiteSpace = true; | |
| /** | |
| * Constructor | |
| * | |
| * Instantiate the DOM element object | |
| * | |
| * @param string $name | |
| * @param string $value | |
| * @param array $options | |
| */ | |
| public function __construct($name, $value = null, array $options = []) | |
| { | |
| $this->nodeName = $name; | |
| $this->nodeValue = $value; | |
| if (isset($options['cData'])) { | |
| $this->cData = (bool)$options['cData']; | |
| } | |
| if (isset($options['childrenFirst'])) { | |
| $this->childrenFirst = (bool)$options['childrenFirst']; | |
| } | |
| if (isset($options['indent'])) { | |
| $this->indent = (string)$options['indent']; | |
| } | |
| if (isset($options['attributes'])) { | |
| $this->setAttributes($options['attributes']); | |
| } | |
| if (isset($options['whitespace'])) { | |
| $this->preserveWhiteSpace($options['whitespace']); | |
| } | |
| } | |
| /** | |
| * Static factory method to create a child object | |
| * | |
| * @param string $name | |
| * @param string $value | |
| * @param array $options | |
| * @return Child | |
| */ | |
| public static function create($name, $value = null, array $options = []) | |
| { | |
| return new self($name, $value, $options); | |
| } | |
| /** | |
| * Static method to parse an XML/HTML string | |
| * | |
| * @param string $string | |
| * @return Child|array | |
| */ | |
| public static function parseString($string) | |
| { | |
| $doc = new \DOMDocument(); | |
| $doc->loadHTML($string); | |
| $dit = new \RecursiveIteratorIterator( | |
| new DomIterator($doc), | |
| \RecursiveIteratorIterator::SELF_FIRST | |
| ); | |
| $parent = null; | |
| $child = null; | |
| $lastDepth = 0; | |
| $endElement = null; | |
| $partial = ((stripos($string, '<html') === false) || (stripos($string, '<body') === false)); | |
| foreach($dit as $node) { | |
| if (($node->nodeType == XML_ELEMENT_NODE) || ($node->nodeType == XML_TEXT_NODE)) { | |
| $attribs = []; | |
| if (null !== $node->attributes) { | |
| for ($i = 0; $i < $node->attributes->length; $i++) { | |
| $name = $node->attributes->item($i)->name; | |
| $attribs[$name] = $node->getAttribute($name); | |
| } | |
| } | |
| if (null === $parent) { | |
| $parent = new Child($node->nodeName); | |
| } else { | |
| if (($node->nodeType == XML_TEXT_NODE) && (null !== $child)) { | |
| $nodeValue = trim($node->nodeValue); | |
| if (!empty($nodeValue)) { | |
| if (($endElement) && (null !== $child->getParent()) && (null !== $node->previousSibling)) { | |
| $prev = $node->previousSibling->nodeName; | |
| $par = $child->getParent(); | |
| while ((null !== $par) && ($prev != $par->getNodeName())) { | |
| $par = $par->getParent(); | |
| } | |
| if (null === $par) { | |
| $par = $child->getParent(); | |
| } else { | |
| $par = $par->getParent(); | |
| } | |
| $par->addChild(new Child('#text', $nodeValue)); | |
| } else { | |
| $child->setNodeValue($nodeValue); | |
| $endElement = true; | |
| } | |
| } | |
| } else { | |
| // down | |
| if ($dit->getDepth() > $lastDepth) { | |
| if (null !== $child) { | |
| $parent = $child; | |
| } | |
| $child = new Child($node->nodeName); | |
| $parent->addChild($child); | |
| $endElement = false; | |
| // up | |
| } else if ($dit->getDepth() < $lastDepth) { | |
| while ($parent->getNodeName() != $node->parentNode->nodeName) { | |
| $parent = $parent->getParent(); | |
| } | |
| //$parent = $parent->getParent(); | |
| $child = new Child($node->nodeName); | |
| $parent->addChild($child); | |
| $endElement = false; | |
| // next (sibling) | |
| } else if ($dit->getDepth() == $lastDepth) { | |
| $child = new Child($node->nodeName); | |
| $parent->addChild($child); | |
| $endElement = false; | |
| } | |
| if (!empty($attribs)) { | |
| $child->setAttributes($attribs); | |
| } | |
| $lastDepth = $dit->getDepth(); | |
| } | |
| } | |
| } | |
| } | |
| while (null !== $parent->getParent()) { | |
| $parent = $parent->getParent(); | |
| } | |
| if ($partial) { | |
| $parent = $parent->getChild(0); | |
| if (strtolower($parent->getNodeName()) == 'body') { | |
| $parent = $parent->getChildNodes(); | |
| } | |
| } | |
| return $parent; | |
| } | |
| /** | |
| * Static method to parse an XML/HTML string from a file | |
| * | |
| * @param string $file | |
| * @throws Exception | |
| * @return Child | |
| */ | |
| public static function parseFile($file) | |
| { | |
| if (!file_exists($file)) { | |
| throw new Exception('Error: That file does not exist.'); | |
| } | |
| return self::parseString(file_get_contents($file)); | |
| } | |
| /** | |
| * Return the child node name | |
| * | |
| * @return string | |
| */ | |
| public function getNodeName() | |
| { | |
| return $this->nodeName; | |
| } | |
| /** | |
| * Return the child node value | |
| * | |
| * @return string | |
| */ | |
| public function getNodeValue() | |
| { | |
| return $this->nodeValue; | |
| } | |
| /** | |
| * Return the child node content, including tags, etc | |
| * | |
| * @param boolean $ignoreWhiteSpace | |
| * @return string | |
| */ | |
| public function getNodeContent($ignoreWhiteSpace = false) | |
| { | |
| $content = $this->render(0, null, true); | |
| if ($ignoreWhiteSpace) { | |
| $content = preg_replace('/\s+/', ' ', str_replace(["\n", "\r", "\t"], ["", "", ""], trim($content))); | |
| $content = preg_replace('/\s*\.\s*/', '. ', $content); | |
| $content = preg_replace('/\s*\?\s*/', '? ', $content); | |
| $content = preg_replace('/\s*\!\s*/', '! ', $content); | |
| $content = preg_replace('/\s*,\s*/', ', ', $content); | |
| $content = preg_replace('/\s*\:\s*/', ': ', $content); | |
| $content = preg_replace('/\s*\;\s*/', '; ', $content); | |
| } | |
| return $content; | |
| } | |
| /** | |
| * Return the child node content, including tags, etc | |
| * | |
| * @param boolean $ignoreWhiteSpace | |
| * @return string | |
| */ | |
| public function getTextContent($ignoreWhiteSpace = false) | |
| { | |
| $content = strip_tags($this->render(0, null, true)); | |
| if ($ignoreWhiteSpace) { | |
| $content = preg_replace('/\s+/', ' ', str_replace(["\n", "\r", "\t"], ["", "", ""], trim($content))); | |
| $content = preg_replace('/\s*\.\s*/', '. ', $content); | |
| $content = preg_replace('/\s*\?\s*/', '? ', $content); | |
| $content = preg_replace('/\s*\!\s*/', '! ', $content); | |
| $content = preg_replace('/\s*,\s*/', ', ', $content); | |
| $content = preg_replace('/\s*\:\s*/', ': ', $content); | |
| $content = preg_replace('/\s*\;\s*/', '; ', $content); | |
| } | |
| return $content; | |
| } | |
| /** | |
| * Set the child node name | |
| * | |
| * @param string $name | |
| * @return Child | |
| */ | |
| public function setNodeName($name) | |
| { | |
| $this->nodeName = $name; | |
| return $this; | |
| } | |
| /** | |
| * Set the child node value | |
| * | |
| * @param string $value | |
| * @return Child | |
| */ | |
| public function setNodeValue($value) | |
| { | |
| $this->nodeValue = $value; | |
| return $this; | |
| } | |
| /** | |
| * Add to the child node value | |
| * | |
| * @param string $value | |
| * @return Child | |
| */ | |
| public function addNodeValue($value) | |
| { | |
| $this->nodeValue .= $value; | |
| return $this; | |
| } | |
| /** | |
| * Set the child node value as CDATA | |
| * | |
| * @param boolean $cData | |
| * @return Child | |
| */ | |
| public function setAsCData($cData = true) | |
| { | |
| $this->cData = (bool)$cData; | |
| return $this; | |
| } | |
| /** | |
| * Determine if the child node value is CDATA | |
| * | |
| * @return boolean | |
| */ | |
| public function isCData() | |
| { | |
| return $this->cData; | |
| } | |
| /** | |
| * Set an attribute for the child element object | |
| * | |
| * @param string $a | |
| * @param string $v | |
| * @return Child | |
| */ | |
| public function setAttribute($a, $v) | |
| { | |
| $this->attributes[$a] = $v; | |
| return $this; | |
| } | |
| /** | |
| * Set an attribute or attributes for the child element object | |
| * | |
| * @param array $a | |
| * @return Child | |
| */ | |
| public function setAttributes(array $a) | |
| { | |
| foreach ($a as $name => $value) { | |
| $this->attributes[$name] = $value; | |
| } | |
| return $this; | |
| } | |
| /** | |
| * Determine if the child object has an attribute | |
| * | |
| * @param string $name | |
| * @return boolean | |
| */ | |
| public function hasAttribute($name) | |
| { | |
| return (isset($this->attributes[$name])); | |
| } | |
| /** | |
| * Get the attribute of the child object | |
| * | |
| * @param string $name | |
| * @return string | |
| */ | |
| public function getAttribute($name) | |
| { | |
| return (isset($this->attributes[$name])) ? $this->attributes[$name] : null; | |
| } | |
| /** | |
| * Get the attributes of the child object | |
| * | |
| * @return array | |
| */ | |
| public function getAttributes() | |
| { | |
| return $this->attributes; | |
| } | |
| /** | |
| * Remove an attribute from the child element object | |
| * | |
| * @param string $a | |
| * @return Child | |
| */ | |
| public function removeAttribute($a) | |
| { | |
| if (isset($this->attributes[$a])) { | |
| unset($this->attributes[$a]); | |
| } | |
| return $this; | |
| } | |
| /** | |
| * Determine if child nodes render first, before the node value | |
| * | |
| * @return boolean | |
| */ | |
| public function isChildrenFirst() | |
| { | |
| return $this->childrenFirst; | |
| } | |
| /** | |
| * Set whether child nodes render first, before the node value | |
| * | |
| * @param bool $first | |
| * @return Child | |
| */ | |
| public function setChildrenFirst($first = true) | |
| { | |
| $this->childrenFirst = (bool)$first; | |
| return $this; | |
| } | |
| /** | |
| * Set whether to preserve whitespace | |
| * | |
| * @param bool $preserve | |
| * @return Child | |
| */ | |
| public function preserveWhiteSpace($preserve = true) | |
| { | |
| $this->preserveWhiteSpace = (bool)$preserve; | |
| return $this; | |
| } | |
| /** | |
| * Render the child and its child nodes. | |
| * | |
| * @param int $depth | |
| * @param string $indent | |
| * @param boolean $inner | |
| * @return mixed | |
| */ | |
| public function render($depth = 0, $indent = null, $inner = false) | |
| { | |
| // Initialize child object properties and variables. | |
| $this->output = ''; | |
| $this->indent = (null === $this->indent) ? str_repeat(' ', $depth) : $this->indent; | |
| $attribs = ''; | |
| $attribAry = []; | |
| if ($this->cData) { | |
| $this->nodeValue = '<![CDATA[' . $this->nodeValue . ']]>'; | |
| } | |
| // Format child attributes, if applicable. | |
| if (count($this->attributes) > 0) { | |
| foreach ($this->attributes as $key => $value) { | |
| $attribAry[] = $key . "=\"" . $value . "\""; | |
| } | |
| $attribs = ' ' . implode(' ', $attribAry); | |
| } | |
| // Initialize the node. | |
| if ($this->nodeName == '#text') { | |
| $this->output .= ((!$this->preserveWhiteSpace) ? '' : "{$indent}{$this->indent}") . $this->nodeValue . ((!$this->preserveWhiteSpace) ? '' : "\n"); | |
| } else { | |
| if (!$inner) { | |
| $this->output .= ((!$this->preserveWhiteSpace) ? '' : "{$indent}{$this->indent}") . "<{$this->nodeName}{$attribs}"; | |
| } | |
| if ((null === $indent) && (null !== $this->indent)) { | |
| $indent = $this->indent; | |
| $origIndent = $this->indent; | |
| } else { | |
| $origIndent = $indent . $this->indent; | |
| } | |
| // If current child element has child nodes, format and render. | |
| if (count($this->childNodes) > 0) { | |
| if (!$inner) { | |
| $this->output .= ">"; | |
| if ($this->preserveWhiteSpace) { | |
| $this->output .= "\n"; | |
| } | |
| } | |
| $newDepth = $depth + 1; | |
| // Render node value before the child nodes. | |
| if (!$this->childrenFirst) { | |
| if (null !== $this->nodeValue) { | |
| $this->output .= ((!$this->preserveWhiteSpace) ? '' : str_repeat(' ', $newDepth) . "{$indent}") . "{$this->nodeValue}\n"; | |
| } | |
| foreach ($this->childNodes as $child) { | |
| $this->output .= $child->render($newDepth, $indent); | |
| } | |
| if (!$inner) { | |
| if (!$this->preserveWhiteSpace) { | |
| $this->output .= "</{$this->nodeName}>"; | |
| } else { | |
| $this->output .= "{$origIndent}</{$this->nodeName}>\n"; | |
| } | |
| } | |
| // Else, render child nodes first, then node value. | |
| } else { | |
| foreach ($this->childNodes as $child) { | |
| $this->output .= $child->render($newDepth, $indent); | |
| } | |
| if (!$inner) { | |
| if (null !== $this->nodeValue) { | |
| $this->output .= ((!$this->preserveWhiteSpace) ? '' : str_repeat(' ', $newDepth) . "{$indent}") . "{$this->nodeValue}" . ((!$this->preserveWhiteSpace) ? '' : "\n{$origIndent}") . "</{$this->nodeName}>" . (($this->preserveWhiteSpace) ? '' : "\n"); | |
| } else { | |
| $this->output .= ((!$this->preserveWhiteSpace) ? '' : "{$origIndent}") . "</{$this->nodeName}>" . ((!$this->preserveWhiteSpace) ? '' : "\n"); | |
| } | |
| } | |
| } | |
| // Else, render the child node. | |
| } else { | |
| if (!$inner) { | |
| if ((null !== $this->nodeValue) || ($this->nodeName == 'textarea')) { | |
| $this->output .= ">"; | |
| $this->output .= "{$this->nodeValue}</{$this->nodeName}>" . ((!$this->preserveWhiteSpace) ? '' : "\n"); | |
| } else { | |
| $this->output .= " />"; | |
| if ($this->preserveWhiteSpace) { | |
| $this->output .= "\n"; | |
| } | |
| } | |
| } else if (!empty($this->nodeValue)) { | |
| $this->output .= $this->nodeValue; | |
| } | |
| } | |
| } | |
| return $this->output; | |
| } | |
| /** | |
| * Render Dom child object to string | |
| * | |
| * @return string | |
| */ | |
| public function __toString() | |
| { | |
| return $this->render(); | |
| } | |
| } |