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-rw-r--r--engine/lib/xml.php257
1 files changed, 104 insertions, 153 deletions
diff --git a/engine/lib/xml.php b/engine/lib/xml.php
index 30f667f90..497459d83 100644
--- a/engine/lib/xml.php
+++ b/engine/lib/xml.php
@@ -1,160 +1,111 @@
<?php
- /**
- * Elgg XML library.
- * Contains functions for generating and parsing XML.
- *
- * @package Elgg
- * @subpackage Core
- * @license http://www.gnu.org/licenses/old-licenses/gpl-2.0.html GNU Public License version 2
- * @author Marcus Povey
- * @copyright Curverider Ltd 2008
- * @link http://elgg.org/
- */
-
- /**
- * @class XmlElement
- * A class representing an XML element for import.
- */
- class XmlElement
- {
- /** The name of the element */
- public $name;
-
- /** The attributes */
- public $attributes;
-
- /** CData */
- public $content;
-
- /** Child elements */
- public $children;
- };
-
- /**
- * This function serialises an object recursively into an XML representation.
- * The function attempts to call $data->export() which expects a stdClass in return, otherwise it will attempt to
- * get the object variables using get_object_vars (which will only return public variables!)
- * @param $data object The object to serialise.
- * @param $n int Level, only used for recursion.
- * @return string The serialised XML output.
- */
- function serialise_object_to_xml($data, $name = "", $n = 0)
- {
- $classname = ($name=="" ? get_class($data) : $name);
-
- $vars = method_exists($data, "export") ? get_object_vars($data->export()) : get_object_vars($data);
-
- $output = "";
-
- if (($n==0) || ( is_object($data) && !($data instanceof stdClass))) $output = "<$classname>";
-
- foreach ($vars as $key => $value)
- {
- $output .= "<$key type=\"".gettype($value)."\">";
-
- if (is_object($value))
- $output .= serialise_object_to_xml($value, $key, $n+1);
- else if (is_array($value))
- $output .= serialise_array_to_xml($value, $n+1);
- else
- $output .= htmlentities($value);
-
- $output .= "</$key>\n";
+/**
+ * Elgg XML library.
+ * Contains functions for generating and parsing XML.
+ *
+ * @package Elgg.Core
+ * @subpackage XML
+ */
+
+/**
+ * This function serialises an object recursively into an XML representation.
+ *
+ * The function attempts to call $data->export() which expects a stdClass in return,
+ * otherwise it will attempt to get the object variables using get_object_vars (which
+ * will only return public variables!)
+ *
+ * @param mixed $data The object to serialise.
+ * @param string $name The name?
+ * @param int $n Level, only used for recursion.
+ *
+ * @return string The serialised XML output.
+ */
+function serialise_object_to_xml($data, $name = "", $n = 0) {
+ $classname = ($name == "" ? get_class($data) : $name);
+
+ $vars = method_exists($data, "export") ? get_object_vars($data->export()) : get_object_vars($data);
+
+ $output = "";
+
+ if (($n == 0) || ( is_object($data) && !($data instanceof stdClass))) {
+ $output = "<$classname>";
+ }
+
+ foreach ($vars as $key => $value) {
+ $output .= "<$key type=\"" . gettype($value) . "\">";
+
+ if (is_object($value)) {
+ $output .= serialise_object_to_xml($value, $key, $n + 1);
+ } else if (is_array($value)) {
+ $output .= serialise_array_to_xml($value, $n + 1);
+ } else if (gettype($value) == "boolean") {
+ $output .= $value ? "true" : "false";
+ } else {
+ $output .= htmlspecialchars($value, ENT_NOQUOTES, 'UTF-8');
}
-
- if (($n==0) || ( is_object($data) && !($data instanceof stdClass))) $output .= "</$classname>\n";
-
- return $output;
+
+ $output .= "</$key>\n";
}
- /**
- * Serialise an array.
- *
- * @param array $data
- * @param int $n Used for recursion
- * @return string
- */
- function serialise_array_to_xml(array $data, $n = 0)
- {
- $output = "";
-
- if ($n==0) $output = "<array>\n";
-
- foreach ($data as $key => $value)
- {
- $item = "array_item";
-
- if (is_numeric($key))
- $output .= "<$item name=\"$key\" type=\"".gettype($value)."\">";
- else
- {
- $item = $key;
- $output .= "<$item type=\"".gettype($value)."\">";
- }
-
- if (is_object($value))
- $output .= serialise_object_to_xml($value, "", $n+1);
- else if (is_array($value))
- $output .= serialise_array_to_xml($value, $n+1);
- else
- $output .= htmlentities($value);
-
- $output .= "</$item>\n";
+ if (($n == 0) || (is_object($data) && !($data instanceof stdClass))) {
+ $output .= "</$classname>\n";
+ }
+
+ return $output;
+}
+
+/**
+ * Serialise an array.
+ *
+ * @param array $data The data to serialize
+ * @param int $n Used for recursion
+ *
+ * @return string
+ */
+function serialise_array_to_xml(array $data, $n = 0) {
+ $output = "";
+
+ if ($n == 0) {
+ $output = "<array>\n";
+ }
+
+ foreach ($data as $key => $value) {
+ $item = "array_item";
+
+ if (is_numeric($key)) {
+ $output .= "<$item name=\"$key\" type=\"" . gettype($value) . "\">";
+ } else {
+ $item = $key;
+ $output .= "<$item type=\"" . gettype($value) . "\">";
+ }
+
+ if (is_object($value)) {
+ $output .= serialise_object_to_xml($value, "", $n + 1);
+ } else if (is_array($value)) {
+ $output .= serialise_array_to_xml($value, $n + 1);
+ } else if (gettype($value) == "boolean") {
+ $output .= $value ? "true" : "false";
+ } else {
+ $output .= htmlspecialchars($value, ENT_NOQUOTES, 'UTF-8');
}
-
- if ($n==0) $output = "</array>\n";
-
- return $output;
+
+ $output .= "</$item>\n";
}
-
- /**
- * Parse an XML file into an object.
- * Based on code from http://de.php.net/manual/en/function.xml-parse-into-struct.php by
- * efredricksen at gmail dot com
- *
- * @param string $xml The XML.
- */
- function xml_2_object($xml)
- {
- $parser = xml_parser_create();
-
- // Parse $xml into a structure
- xml_parser_set_option($parser, XML_OPTION_SKIP_WHITE, 1);
- xml_parser_set_option($parser, XML_OPTION_CASE_FOLDING, 0);
- xml_parse_into_struct($parser, $xml, $tags);
-
- xml_parser_free($parser);
-
- $elements = array();
- $stack = array();
-
- foreach ($tags as $tag)
- {
- $index = count($elements);
-
- if ($tag['type'] == "complete" || $tag['type'] == "open")
- {
- $elements[$index] = new XmlElement;
- $elements[$index]->name = $tag['tag'];
- $elements[$index]->attributes = $tag['attributes'];
- $elements[$index]->content = $tag['value'];
-
- if ($tag['type'] == "open")
- {
- $elements[$index]->children = array();
- $stack[count($stack)] = &$elements;
- $elements = &$elements[$index]->children;
- }
- }
-
- if ($tag['type'] == "close")
- {
- $elements = &$stack[count($stack) - 1];
- unset($stack[count($stack) - 1]);
- }
- }
-
- return $elements[0];
+
+ if ($n == 0) {
+ $output .= "</array>\n";
}
-
-?> \ No newline at end of file
+
+ return $output;
+}
+
+/**
+ * Parse an XML file into an object.
+ *
+ * @param string $xml The XML
+ *
+ * @return ElggXMLElement
+ */
+function xml_to_object($xml) {
+ return new ElggXMLElement($xml);
+}
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