--- /dev/null
+<?php
+
+/**
+ * Class CRM_Afform_ArrayHtml
+ *
+ * FIXME This a quick-and-dirty array<=>html mapping.
+ */
+class CRM_Afform_ArrayHtml {
+
+ const DEFAULT_TAG = 'div';
+
+ /**
+ * @param array $array
+ * Ex: ['#tag' => 'div', 'class' => 'greeting', '#children' => ['Hello world']]
+ * @return string
+ * Ex: '<div class="greeting">Hello world</div>'
+ */
+ public function convertArrayToHtml($array) {
+ $tag = empty($array['#tag']) ? self::DEFAULT_TAG : $array['#tag'];
+ unset($array['#tag']);
+ $children = empty($array['#children']) ? self::DEFAULT_TAG : $array['#children'];
+ unset($array['#children']);
+
+ $buf = '<' . $tag;
+ foreach ($array as $attrName => $attrValue) {
+ if ($attrName{0} === '#') {
+ continue;
+ }
+ if (!preg_match('/^[a-zA-Z0-9\-]+$/', $attrName)) {
+ throw new \RuntimeException("Malformed HTML attribute");
+ }
+ if (is_string($attrValue)) {
+ $buf .= sprintf(' %s="%s"', $attrName, htmlentities($attrValue)); // FIXME attribute encoding
+ }
+ elseif (is_array($attrValue) && $this->allowStructuredAttribute($tag, $attrName)) {
+ $buf .= sprintf(' %s="%s"', $attrName, htmlentities(json_encode($attrValue))); // FIXME attribute encoding
+ }
+ }
+ $buf .= '>';
+
+ foreach ($children as $child) {
+ if (is_string($child)) {
+ $buf .= htmlentities($child);
+ }
+ elseif (is_array($child)) {
+ $buf .= $this->convertArrayToHtml($child);
+ }
+ }
+
+ $buf .= '</' . $tag . '>';
+ return $buf;
+ }
+
+ /**
+ * @param string $html
+ * Ex: '<div class="greeting">Hello world</div>'
+ * @return array
+ * Ex: ['#tag' => 'div', 'class' => 'greeting', '#children' => ['Hello world']]
+ */
+ public function convertHtmlToArray($html) {
+ $doc = new DOMDocument();
+ $doc->loadHTML("<html><body>$html</body></html>");
+
+ // FIXME: Valid expected number of child nodes
+
+ foreach ($doc->childNodes as $htmlNode) {
+ if ($htmlNode instanceof DOMElement && $htmlNode->tagName === 'html') {
+ return $this->convertNodeToArray($htmlNode->firstChild->firstChild);
+ }
+ }
+
+ return NULL;
+ }
+
+ /**
+ * @param \DOMNode $node
+ * @return array|string
+ */
+ public function convertNodeToArray($node) {
+ if ($node instanceof DOMElement) {
+ $arr = ['#tag' => $node->tagName];
+ foreach ($node->attributes as $attribute) {
+ $txt = $attribute->textContent;
+ if ($txt{0} === '{' && $txt{1} !== '{' && $this->allowStructuredAttribute($node->tagName, $attribute->name)) {
+ $arr[$attribute->name] = sprintf('PARSE-ME(%s)', $txt);
+ }
+ else {
+ $arr[$attribute->name] = $txt;
+ }
+ }
+ foreach ($node->childNodes as $childNode) {
+ $arr['#children'][] = $this->convertNodeToArray($childNode);
+ }
+ return $arr;
+ }
+ elseif ($node instanceof DOMText) {
+ return $node->textContent;
+ }
+ else {
+ throw new \RuntimeException("Unrecognized DOM node");
+ }
+ }
+
+ public function allowStructuredAttribute($tag, $attr) {
+ // FIXME: use whitelist of allowed angular directives
+ return FALSE;
+ }
+
+}
projects / civicrm-core.git / commitdiff