PHP ilXmlWriter::xmlStartTag方法代码示例

 public function simpleExport($orgu_ref_id)
 {
     $nodes = $this->getStructure($orgu_ref_id);
     $writer = new ilXmlWriter();
     $writer->xmlStartTag("OrgUnits");
     foreach ($nodes as $orgu_ref_id) {
         $orgu = new ilObjOrgUnit($orgu_ref_id);
         if ($orgu->getRefId() == ilObjOrgUnit::getRootOrgRefId()) {
             continue;
         }
         $attributes = $this->getAttributesForOrgu($orgu);
         $writer->xmlStartTag("OrgUnit", $attributes);
         $writer->xmlElement("external_id", null, $this->buildExternalId($orgu_ref_id));
         $writer->xmlElement("title", null, $orgu->getTitle());
         $writer->xmlElement("description", null, $orgu->getDescription());
         $writer->xmlEndTag("OrgUnit");
     }
     $writer->xmlEndTag("OrgUnits");
     return $writer;
 }

 /**
  * Get xml of object values
  *
  * @access public
  * @static
  * @param object instance of ilXmlWriter
  * @param int $a_obj_id
  */
 public static function _appendXMLByObjId(ilXmlWriter $xml_writer, $a_obj_id)
 {
     global $ilDB;
     $type = ilObject::_lookupType($a_obj_id);
     // Get active field_definitions
     $query = "SELECT field_id FROM adv_md_record amr " . "JOIN adv_md_record_objs amro ON amr.record_id = amro.record_id " . "JOIN adv_mdf_definition amfd ON amr.record_id = amfd.record_id " . "WHERE active = 1 " . "AND obj_type = " . $ilDB->quote($type, 'text') . " ";
     $xml_writer->xmlStartTag('AdvancedMetaData');
     $res = $ilDB->query($query);
     while ($row = $res->fetchRow(DB_FETCHMODE_OBJECT)) {
         include_once 'Services/AdvancedMetaData/classes/class.ilAdvancedMDValue.php';
         $value = ilAdvancedMDValue::_getInstance($a_obj_id, $row->field_id);
         $value->appendXML($xml_writer);
     }
     $xml_writer->xmlEndTag('AdvancedMetaData');
 }

 /**
  * Returns a QTI xml representation of the question
  *
  * Returns a QTI xml representation of the question and sets the internal
  * domxml variable with the DOM XML representation of the QTI xml representation
  *
  * @return string The QTI xml representation of the question
  * @access public
  */
 function toXML($a_include_header = true, $a_include_binary = true, $a_shuffle = false, $test_output = false, $force_image_references = false)
 {
     global $ilias;
     include_once "./Services/Math/classes/class.EvalMath.php";
     $eval = new EvalMath();
     $eval->suppress_errors = TRUE;
     include_once "./Services/Xml/classes/class.ilXmlWriter.php";
     $a_xml_writer = new ilXmlWriter();
     // set xml header
     $a_xml_writer->xmlHeader();
     $a_xml_writer->xmlStartTag("questestinterop");
     $attrs = array("ident" => "il_" . IL_INST_ID . "_qst_" . $this->object->getId(), "title" => $this->object->getTitle(), "maxattempts" => $this->object->getNrOfTries());
     $a_xml_writer->xmlStartTag("item", $attrs);
     // add question description
     $a_xml_writer->xmlElement("qticomment", NULL, $this->object->getComment());
     // add estimated working time
     $workingtime = $this->object->getEstimatedWorkingTime();
     $duration = sprintf("P0Y0M0DT%dH%dM%dS", $workingtime["h"], $workingtime["m"], $workingtime["s"]);
     $a_xml_writer->xmlElement("duration", NULL, $duration);
     // add ILIAS specific metadata
     $a_xml_writer->xmlStartTag("itemmetadata");
     $a_xml_writer->xmlStartTag("qtimetadata");
     $a_xml_writer->xmlStartTag("qtimetadatafield");
     $a_xml_writer->xmlElement("fieldlabel", NULL, "ILIAS_VERSION");
     $a_xml_writer->xmlElement("fieldentry", NULL, $ilias->getSetting("ilias_version"));
     $a_xml_writer->xmlEndTag("qtimetadatafield");
     $a_xml_writer->xmlStartTag("qtimetadatafield");
     $a_xml_writer->xmlElement("fieldlabel", NULL, "QUESTIONTYPE");
     $a_xml_writer->xmlElement("fieldentry", NULL, CLOZE_TEST_IDENTIFIER);
     $a_xml_writer->xmlEndTag("qtimetadatafield");
     $a_xml_writer->xmlStartTag("qtimetadatafield");
     $a_xml_writer->xmlElement("fieldlabel", NULL, "AUTHOR");
     $a_xml_writer->xmlElement("fieldentry", NULL, $this->object->getAuthor());
     $a_xml_writer->xmlEndTag("qtimetadatafield");
     // additional content editing information
     $this->addAdditionalContentEditingModeInformation($a_xml_writer);
     $this->addGeneralMetadata($a_xml_writer);
     $a_xml_writer->xmlStartTag("qtimetadatafield");
     $a_xml_writer->xmlElement("fieldlabel", NULL, "textgaprating");
     $a_xml_writer->xmlElement("fieldentry", NULL, $this->object->getTextgapRating());
     $a_xml_writer->xmlEndTag("qtimetadatafield");
     $a_xml_writer->xmlStartTag("qtimetadatafield");
     $a_xml_writer->xmlElement("fieldlabel", NULL, "fixedTextLength");
     $a_xml_writer->xmlElement("fieldentry", NULL, $this->object->getFixedTextLength());
     $a_xml_writer->xmlEndTag("qtimetadatafield");
     $a_xml_writer->xmlStartTag("qtimetadatafield");
     $a_xml_writer->xmlElement("fieldlabel", NULL, "identicalScoring");
     $a_xml_writer->xmlElement("fieldentry", NULL, $this->object->getIdenticalScoring());
     $a_xml_writer->xmlEndTag("qtimetadatafield");
     $a_xml_writer->xmlStartTag("qtimetadatafield");
     $a_xml_writer->xmlElement("fieldlabel", NULL, "combinations");
     $a_xml_writer->xmlElement("fieldentry", NULL, base64_encode(json_encode($this->object->getGapCombinations())));
     $a_xml_writer->xmlEndTag("qtimetadatafield");
     $a_xml_writer->xmlEndTag("qtimetadata");
     $a_xml_writer->xmlEndTag("itemmetadata");
     // PART I: qti presentation
     $attrs = array("label" => $this->object->getTitle());
     $a_xml_writer->xmlStartTag("presentation", $attrs);
     // add flow to presentation
     $a_xml_writer->xmlStartTag("flow");
     $questionText = $this->object->getQuestion() ? $this->object->getQuestion() : ' ';
     $this->object->addQTIMaterial($a_xml_writer, $questionText);
     $text_parts = preg_split("/\\[gap.*?\\[\\/gap\\]/", $this->object->getClozeText());
     // add material with question text to presentation
     for ($i = 0; $i <= $this->object->getGapCount(); $i++) {
         $this->object->addQTIMaterial($a_xml_writer, $text_parts[$i]);
         if ($i < $this->object->getGapCount()) {
             // add gap
             $gap = $this->object->getGap($i);
             switch ($gap->getType()) {
                 case CLOZE_SELECT:
                     // comboboxes
                     $attrs = array("ident" => "gap_{$i}", "rcardinality" => "Single");
                     $a_xml_writer->xmlStartTag("response_str", $attrs);
                     $solution = $this->object->getSuggestedSolution($i);
                     if (count($solution)) {
                         if (preg_match("/il_(\\d*?)_(\\w+)_(\\d+)/", $solution["internal_link"], $matches)) {
                             $attrs = array("label" => "suggested_solution");
                             $a_xml_writer->xmlStartTag("material", $attrs);
                             $intlink = "il_" . IL_INST_ID . "_" . $matches[2] . "_" . $matches[3];
                             if (strcmp($matches[1], "") != 0) {
                                 $intlink = $solution["internal_link"];
                             }
                             $a_xml_writer->xmlElement("mattext", NULL, $intlink);
                             $a_xml_writer->xmlEndTag("material");
                         }
                     }
                     $attrs = array("shuffle" => $gap->getShuffle() ? "Yes" : "No");
                     $a_xml_writer->xmlStartTag("render_choice", $attrs);
                     // add answers
                     foreach ($gap->getItems() as $answeritem) {
//.........这里部分代码省略.........

 /**
  * To Xml.
  * This method writes only the subset Field
  * Use class.ilAdvancedMDRecordXMLWriter to generate a complete xml presentation.
  *
  * @param ilXmlWriter $a_writer
  */
 public function toXML(ilXmlWriter $a_writer)
 {
     $a_writer->xmlStartTag('Field', array('id' => $this->generateImportId($this->getFieldId()), 'searchable' => $this->isSearchable() ? 'Yes' : 'No', 'fieldType' => self::getTypeString($this->getType())));
     $a_writer->xmlElement('FieldTitle', null, $this->getTitle());
     $a_writer->xmlElement('FieldDescription', null, $this->getDescription());
     $a_writer->xmlElement('FieldPosition', null, $this->getPosition());
     $this->addPropertiesToXML($a_writer);
     $a_writer->xmlEndTag('Field');
 }

 function exportPDF($a_inst, $a_target_dir, &$expLog)
 {
     global $tpl, $lng, $ilCtrl;
     $a_xml_writer = new ilXmlWriter();
     $a_xml_writer->xmlStartTag("ContentObject", array("Type" => "SCORM2004SCO"));
     $this->exportPDFPrepareXmlNFiles($a_inst, $a_target_dir, $expLog, $a_xml_writer);
     $a_xml_writer->xmlEndTag("ContentObject");
     include_once 'Services/Transformation/classes/class.ilXML2FO.php';
     $xml2FO = new ilXML2FO();
     $xml2FO->setXSLTLocation('./Modules/Scorm2004/templates/xsl/contentobject2fo.xsl');
     $xml2FO->setXMLString($a_xml_writer->xmlDumpMem());
     $xml2FO->setXSLTParams(array('target_dir' => $a_target_dir));
     $xml2FO->transform();
     $fo_string = $xml2FO->getFOString();
     $fo_xml = simplexml_load_string($fo_string);
     $fo_ext = $fo_xml->xpath("//fo:declarations");
     $fo_ext = $fo_ext[0];
     $results = array();
     include_once "./Services/Utilities/classes/class.ilFileUtils.php";
     ilFileUtils::recursive_dirscan($a_target_dir . "/objects", $results);
     if (is_array($results["file"])) {
         foreach ($results["file"] as $key => $value) {
             $e = $fo_ext->addChild("fox:embedded-file", "", "http://xml.apache.org/fop/extensions");
             $e->addAttribute("src", $results[path][$key] . $value);
             $e->addAttribute("name", $value);
             $e->addAttribute("desc", "");
         }
     }
     $fo_string = $fo_xml->asXML();
     $a_xml_writer->_XmlWriter;
     return $fo_string;
 }

 /**
  * Returns a QTI xml representation of the question
  *
  * Returns a QTI xml representation of the question and sets the internal
  * domxml variable with the DOM XML representation of the QTI xml representation
  *
  * @return string The QTI xml representation of the question
  * @access public
  */
 function toXML($a_include_header = true, $a_include_binary = true, $a_shuffle = false, $test_output = false, $force_image_references = false)
 {
     global $ilias;
     include_once "./classes/class.ilXmlWriter.php";
     $a_xml_writer = new ilXmlWriter();
     // set xml header
     $a_xml_writer->xmlHeader();
     $a_xml_writer->xmlStartTag("questestinterop");
     $attrs = array("ident" => "il_" . IL_INST_ID . "_qst_" . $this->object->getId(), "title" => $this->object->getTitle());
     $a_xml_writer->xmlStartTag("item", $attrs);
     // add question description
     $a_xml_writer->xmlElement("qticomment", NULL, $this->object->getComment());
     // add estimated working time
     $workingtime = $this->object->getEstimatedWorkingTime();
     $duration = sprintf("P0Y0M0DT%dH%dM%dS", $workingtime["h"], $workingtime["m"], $workingtime["s"]);
     $a_xml_writer->xmlElement("duration", NULL, $duration);
     // add ILIAS specific metadata
     $a_xml_writer->xmlStartTag("itemmetadata");
     $a_xml_writer->xmlStartTag("qtimetadata");
     $a_xml_writer->xmlStartTag("qtimetadatafield");
     $a_xml_writer->xmlElement("fieldlabel", NULL, "ILIAS_VERSION");
     $a_xml_writer->xmlElement("fieldentry", NULL, $ilias->getSetting("ilias_version"));
     $a_xml_writer->xmlEndTag("qtimetadatafield");
     $a_xml_writer->xmlStartTag("qtimetadatafield");
     $a_xml_writer->xmlElement("fieldlabel", NULL, "QUESTIONTYPE");
     $a_xml_writer->xmlElement("fieldentry", NULL, $this->object->getQuestionType());
     $a_xml_writer->xmlEndTag("qtimetadatafield");
     $a_xml_writer->xmlStartTag("qtimetadatafield");
     $a_xml_writer->xmlElement("fieldlabel", NULL, "AUTHOR");
     $a_xml_writer->xmlElement("fieldentry", NULL, $this->object->getAuthor());
     $a_xml_writer->xmlEndTag("qtimetadatafield");
     $a_xml_writer->xmlStartTag("qtimetadatafield");
     $a_xml_writer->xmlElement("fieldlabel", NULL, "points");
     $a_xml_writer->xmlElement("fieldentry", NULL, $this->object->getPoints());
     $a_xml_writer->xmlEndTag("qtimetadatafield");
     $a_xml_writer->xmlStartTag("qtimetadatafield");
     $a_xml_writer->xmlElement("fieldlabel", NULL, "textrating");
     $a_xml_writer->xmlElement("fieldentry", NULL, $this->object->getTextRating());
     $a_xml_writer->xmlEndTag("qtimetadatafield");
     $a_xml_writer->xmlStartTag("qtimetadatafield");
     $a_xml_writer->xmlElement("fieldlabel", NULL, "requestedanswers");
     $a_xml_writer->xmlElement("fieldentry", NULL, $this->object->getCorrectAnswers());
     $a_xml_writer->xmlEndTag("qtimetadatafield");
     $a_xml_writer->xmlEndTag("qtimetadata");
     // removed additional metadata from assFormulaQuestion
     $a_xml_writer->xmlEndTag("itemmetadata");
     // PART I: qti presentation
     $attrs = array("label" => $this->object->getTitle());
     $a_xml_writer->xmlStartTag("presentation", $attrs);
     // add flow to presentation
     $a_xml_writer->xmlStartTag("flow");
     // add material with question text to presentation
     $this->object->addQTIMaterial($a_xml_writer, $this->object->getQuestion());
     // add answers to presentation
     $attrs = array();
     $attrs = array("ident" => "SYNTAX TREE", "rcardinality" => "Multiple");
     $a_xml_writer->xmlStartTag("response_lid", $attrs);
     $solution = $this->object->getSuggestedSolution(0);
     if (count($solution)) {
         if (preg_match("/il_(\\d*?)_(\\w+)_(\\d+)/", $solution["internal_link"], $matches)) {
             $a_xml_writer->xmlStartTag("material");
             $intlink = "il_" . IL_INST_ID . "_" . $matches[2] . "_" . $matches[3];
             if (strcmp($matches[1], "") != 0) {
                 $intlink = $solution["internal_link"];
             }
             $attrs = array("label" => "suggested_solution");
             $a_xml_writer->xmlElement("mattext", $attrs, $intlink);
             $a_xml_writer->xmlEndTag("material");
         }
     }
     // shuffle output
     $attrs = array();
     $a_xml_writer->xmlStartTag("render_choice", $attrs);
     $answers =& $this->object->getAnswers();
     $akeys = array_keys($answers);
     if ($this->object->getShuffle() && $a_shuffle) {
         $akeys = $this->object->pcArrayShuffle($akeys);
     }
     // add answers
     foreach ($akeys as $index) {
         $answer = $answers[$index];
         $attrs = array("ident" => $index);
         $a_xml_writer->xmlStartTag("response_label", $attrs);
         $this->object->addQTIMaterial($a_xml_writer, $answer->getAnswertext());
         $a_xml_writer->xmlEndTag("response_label");
     }
     $a_xml_writer->xmlEndTag("render_choice");
     $a_xml_writer->xmlEndTag("response_lid");
     $a_xml_writer->xmlEndTag("flow");
     $a_xml_writer->xmlEndTag("presentation");
     // PART II: qti resprocessing
//.........这里部分代码省略.........

 /**
  * export questions to xml
  */
 function toXML($questions)
 {
     if (!is_array($questions)) {
         $questions =& $this->getQuestions();
     }
     if (count($questions) == 0) {
         $questions =& $this->getQuestions();
     }
     $xml = "";
     include_once "./Services/Xml/classes/class.ilXmlWriter.php";
     $a_xml_writer = new ilXmlWriter();
     // set xml header
     $a_xml_writer->xmlHeader();
     $attrs = array("xmlns:xsi" => "http://www.w3.org/2001/XMLSchema-instance", "xsi:noNamespaceSchemaLocation" => "http://www.ilias.de/download/xsd/ilias_survey_4_2.xsd");
     $a_xml_writer->xmlStartTag("surveyobject", $attrs);
     $attrs = array("id" => "qpl_" . $this->getId(), "label" => $this->getTitle(), "online" => $this->getOnline());
     $a_xml_writer->xmlStartTag("surveyquestions", $attrs);
     $a_xml_writer->xmlElement("dummy", NULL, "dummy");
     // add ILIAS specific metadata
     $a_xml_writer->xmlStartTag("metadata");
     $a_xml_writer->xmlStartTag("metadatafield");
     $a_xml_writer->xmlElement("fieldlabel", NULL, "SCORM");
     include_once "./Services/MetaData/classes/class.ilMD.php";
     $md = new ilMD($this->getId(), 0, $this->getType());
     $writer = new ilXmlWriter();
     $md->toXml($writer);
     $metadata = $writer->xmlDumpMem();
     $a_xml_writer->xmlElement("fieldentry", NULL, $metadata);
     $a_xml_writer->xmlEndTag("metadatafield");
     $a_xml_writer->xmlEndTag("metadata");
     $a_xml_writer->xmlEndTag("surveyquestions");
     $a_xml_writer->xmlEndTag("surveyobject");
     $xml = $a_xml_writer->xmlDumpMem(FALSE);
     $questionxml = "";
     foreach ($questions as $key => $value) {
         $questiontype = $this->getQuestiontype($value);
         include_once "./Modules/SurveyQuestionPool/classes/class.SurveyQuestion.php";
         SurveyQuestion::_includeClass($questiontype);
         $question = new $questiontype();
         $question->loadFromDb($value);
         $questionxml .= $question->toXML(false);
     }
     $xml = str_replace("<dummy>dummy</dummy>", $questionxml, $xml);
     return $xml;
 }

 /**
  * Write link XML
  * @param ilXmlWriter $writer
  * @return 
  */
 public function toXML(ilXmlWriter $writer)
 {
     foreach (self::getAllItemIds($this->getLinkResourceId()) as $link_id) {
         $link = self::lookupItem($this->getLinkResourceId(), $link_id);
         $writer->xmlStartTag('WebLink', array('id' => $link['link_id'], 'active' => $link['active'] ? 1 : 0, 'valid' => $link['valid'] ? 1 : 0, 'disableValidation' => $link['disable_check'] ? 1 : 0));
         $writer->xmlElement('Title', array(), $link['title']);
         $writer->xmlElement('Description', array(), $link['description']);
         $writer->xmlElement('Target', array(), $link['target']);
         // Dynamic parameters
         include_once './Modules/WebResource/classes/class.ilParameterAppender.php';
         foreach (ilParameterAppender::_getParams($link_id) as $param_id => $param) {
             $value = '';
             switch ($param['value']) {
                 case LINKS_USER_ID:
                     $value = 'userId';
                     break;
                 case LINKS_LOGIN:
                     $value = 'userName';
                     break;
                 case LINKS_MATRICULATION:
                     $value = 'matriculation';
                     break;
             }
             if (!$value) {
                 // Fix for deprecated LINKS_SESSION
                 continue;
             }
             $writer->xmlElement('DynamicParameter', array('id' => $param_id, 'name' => $param['name'], 'type' => $value));
         }
         $writer->xmlEndTag('WebLink');
     }
     return true;
 }

 /**
  * Returns a QTI xml representation of the test
  *
  * @return string The QTI xml representation of the test
  */
 public function toXML()
 {
     include_once "./Services/Xml/classes/class.ilXmlWriter.php";
     $a_xml_writer = new ilXmlWriter();
     // set xml header
     $a_xml_writer->xmlHeader();
     $a_xml_writer->xmlSetDtdDef("<!DOCTYPE questestinterop SYSTEM \"ims_qtiasiv1p2p1.dtd\">");
     $a_xml_writer->xmlStartTag("questestinterop");
     $attrs = array("ident" => "il_" . IL_INST_ID . "_tst_" . $this->getTestId(), "title" => $this->getTitle());
     $a_xml_writer->xmlStartTag("assessment", $attrs);
     // add qti comment
     $a_xml_writer->xmlElement("qticomment", NULL, $this->getDescription());
     // add qti duration
     if ($this->enable_processing_time) {
         preg_match("/(\\d+):(\\d+):(\\d+)/", $this->processing_time, $matches);
         $a_xml_writer->xmlElement("duration", NULL, sprintf("P0Y0M0DT%dH%dM%dS", $matches[1], $matches[2], $matches[3]));
     }
     // add the rest of the preferences in qtimetadata tags, because there is no correspondent definition in QTI
     $a_xml_writer->xmlStartTag("qtimetadata");
     $a_xml_writer->xmlStartTag("qtimetadatafield");
     $a_xml_writer->xmlElement("fieldlabel", NULL, "ILIAS_VERSION");
     $a_xml_writer->xmlElement("fieldentry", NULL, $this->ilias->getSetting("ilias_version"));
     $a_xml_writer->xmlEndTag("qtimetadatafield");
     // anonymity
     $a_xml_writer->xmlStartTag("qtimetadatafield");
     $a_xml_writer->xmlElement("fieldlabel", NULL, "anonymity");
     $a_xml_writer->xmlElement("fieldentry", NULL, sprintf("%d", $this->getAnonymity()));
     $a_xml_writer->xmlEndTag("qtimetadatafield");
     // question set type (fixed, random, dynamic, ...)
     $a_xml_writer->xmlStartTag("qtimetadatafield");
     $a_xml_writer->xmlElement("fieldlabel", NULL, "question_set_type");
     $a_xml_writer->xmlElement("fieldentry", NULL, $this->getQuestionSetType());
     $a_xml_writer->xmlEndTag("qtimetadatafield");
     // sequence settings
     $a_xml_writer->xmlStartTag("qtimetadatafield");
     $a_xml_writer->xmlElement("fieldlabel", NULL, "sequence_settings");
     $a_xml_writer->xmlElement("fieldentry", NULL, $this->getSequenceSettings());
     $a_xml_writer->xmlEndTag("qtimetadatafield");
     // author
     $a_xml_writer->xmlStartTag("qtimetadatafield");
     $a_xml_writer->xmlElement("fieldlabel", NULL, "author");
     $a_xml_writer->xmlElement("fieldentry", NULL, $this->getAuthor());
     $a_xml_writer->xmlEndTag("qtimetadatafield");
     // reset processing time
     $a_xml_writer->xmlStartTag("qtimetadatafield");
     $a_xml_writer->xmlElement("fieldlabel", NULL, "reset_processing_time");
     $a_xml_writer->xmlElement("fieldentry", NULL, $this->getResetProcessingTime());
     $a_xml_writer->xmlEndTag("qtimetadatafield");
     // count system
     $a_xml_writer->xmlStartTag("qtimetadatafield");
     $a_xml_writer->xmlElement("fieldlabel", NULL, "count_system");
     $a_xml_writer->xmlElement("fieldentry", NULL, $this->getCountSystem());
     $a_xml_writer->xmlEndTag("qtimetadatafield");
     // multiple choice scoring
     $a_xml_writer->xmlStartTag("qtimetadatafield");
     $a_xml_writer->xmlElement("fieldlabel", NULL, "mc_scoring");
     $a_xml_writer->xmlElement("fieldentry", NULL, $this->getMCScoring());
     $a_xml_writer->xmlEndTag("qtimetadatafield");
     // multiple choice scoring
     $a_xml_writer->xmlStartTag("qtimetadatafield");
     $a_xml_writer->xmlElement("fieldlabel", NULL, "score_cutting");
     $a_xml_writer->xmlElement("fieldentry", NULL, $this->getScoreCutting());
     $a_xml_writer->xmlEndTag("qtimetadatafield");
     // multiple choice scoring
     $a_xml_writer->xmlStartTag("qtimetadatafield");
     $a_xml_writer->xmlElement("fieldlabel", NULL, "password");
     $a_xml_writer->xmlElement("fieldentry", NULL, $this->getPassword());
     $a_xml_writer->xmlEndTag("qtimetadatafield");
     // allowed users
     $a_xml_writer->xmlStartTag("qtimetadatafield");
     $a_xml_writer->xmlElement("fieldlabel", NULL, "allowedUsers");
     $a_xml_writer->xmlElement("fieldentry", NULL, $this->getAllowedUsers());
     $a_xml_writer->xmlEndTag("qtimetadatafield");
     // allowed users time gap
     $a_xml_writer->xmlStartTag("qtimetadatafield");
     $a_xml_writer->xmlElement("fieldlabel", NULL, "allowedUsersTimeGap");
     $a_xml_writer->xmlElement("fieldentry", NULL, $this->getAllowedUsersTimeGap());
     $a_xml_writer->xmlEndTag("qtimetadatafield");
     // pass scoring
     $a_xml_writer->xmlStartTag("qtimetadatafield");
     $a_xml_writer->xmlElement("fieldlabel", NULL, "pass_scoring");
     $a_xml_writer->xmlElement("fieldentry", NULL, $this->getPassScoring());
     $a_xml_writer->xmlEndTag("qtimetadatafield");
     // score reporting date
     if ($this->getReportingDate()) {
         $a_xml_writer->xmlStartTag("qtimetadatafield");
         $a_xml_writer->xmlElement("fieldlabel", NULL, "reporting_date");
         preg_match("/(\\d{4})(\\d{2})(\\d{2})(\\d{2})(\\d{2})(\\d{2})/", $this->reporting_date, $matches);
         $a_xml_writer->xmlElement("fieldentry", NULL, sprintf("P%dY%dM%dDT%dH%dM%dS", $matches[1], $matches[2], $matches[3], $matches[4], $matches[5], $matches[6]));
         $a_xml_writer->xmlEndTag("qtimetadatafield");
     }
     // number of tries
     $a_xml_writer->xmlStartTag("qtimetadatafield");
     $a_xml_writer->xmlElement("fieldlabel", NULL, "nr_of_tries");
     $a_xml_writer->xmlElement("fieldentry", NULL, sprintf("%d", $this->getNrOfTries()));
//.........这里部分代码省略.........

 /**
  * Returns a QTI xml representation of the question
  *
  * Returns a QTI xml representation of the question and sets the internal
  * domxml variable with the DOM XML representation of the QTI xml representation
  *
  * @return string The QTI xml representation of the question
  * @access public
  */
 function toXML($a_include_header = true, $a_include_binary = true, $a_shuffle = false, $test_output = false, $force_image_references = false)
 {
     global $ilias;
     include_once "./Services/Xml/classes/class.ilXmlWriter.php";
     $a_xml_writer = new ilXmlWriter();
     // set xml header
     $a_xml_writer->xmlHeader();
     $a_xml_writer->xmlStartTag("questestinterop");
     $attrs = array("ident" => "il_" . IL_INST_ID . "_qst_" . $this->object->getId(), "title" => $this->object->getTitle(), "maxattempts" => $this->object->getNrOfTries());
     $a_xml_writer->xmlStartTag("item", $attrs);
     // add question description
     $a_xml_writer->xmlElement("qticomment", NULL, $this->object->getComment());
     // add estimated working time
     $workingtime = $this->object->getEstimatedWorkingTime();
     $duration = sprintf("P0Y0M0DT%dH%dM%dS", $workingtime["h"], $workingtime["m"], $workingtime["s"]);
     $a_xml_writer->xmlElement("duration", NULL, $duration);
     // add ILIAS specific metadata
     $a_xml_writer->xmlStartTag("itemmetadata");
     $a_xml_writer->xmlStartTag("qtimetadata");
     $a_xml_writer->xmlStartTag("qtimetadatafield");
     $a_xml_writer->xmlElement("fieldlabel", NULL, "ILIAS_VERSION");
     $a_xml_writer->xmlElement("fieldentry", NULL, $ilias->getSetting("ilias_version"));
     $a_xml_writer->xmlEndTag("qtimetadatafield");
     $a_xml_writer->xmlStartTag("qtimetadatafield");
     $a_xml_writer->xmlElement("fieldlabel", NULL, "QUESTIONTYPE");
     $a_xml_writer->xmlElement("fieldentry", NULL, TEXT_QUESTION_IDENTIFIER);
     $a_xml_writer->xmlEndTag("qtimetadatafield");
     $a_xml_writer->xmlStartTag("qtimetadatafield");
     $a_xml_writer->xmlElement("fieldlabel", NULL, "AUTHOR");
     $a_xml_writer->xmlElement("fieldentry", NULL, $this->object->getAuthor());
     $a_xml_writer->xmlEndTag("qtimetadatafield");
     $a_xml_writer->xmlStartTag("qtimetadatafield");
     $a_xml_writer->xmlElement("fieldlabel", NULL, "textrating");
     $a_xml_writer->xmlElement("fieldentry", NULL, $this->object->getTextRating());
     $a_xml_writer->xmlEndTag("qtimetadatafield");
     /*
     $a_xml_writer->xmlStartTag("qtimetadatafield");
     $a_xml_writer->xmlElement("fieldlabel", NULL, "keywords");
     $a_xml_writer->xmlElement("fieldentry", NULL, $this->object->getKeywords());
     $a_xml_writer->xmlEndTag("qtimetadatafield");
     */
     $a_xml_writer->xmlStartTag("qtimetadatafield");
     $a_xml_writer->xmlElement("fieldlabel", NULL, "matchcondition");
     $a_xml_writer->xmlElement("fieldentry", NULL, $this->object->matchcondition);
     $a_xml_writer->xmlEndTag("qtimetadatafield");
     $a_xml_writer->xmlStartTag("qtimetadatafield");
     $a_xml_writer->xmlElement("fieldlabel", NULL, "termscoring");
     $scores = serialize($this->object->getAnswers());
     $a_xml_writer->xmlElement("fieldentry", NULL, $scores);
     $a_xml_writer->xmlEndTag("qtimetadatafield");
     $a_xml_writer->xmlStartTag("qtimetadatafield");
     $a_xml_writer->xmlElement("fieldlabel", NULL, "termrelation");
     $a_xml_writer->xmlElement("fieldentry", NULL, $this->object->getKeywordRelation());
     $a_xml_writer->xmlEndTag("qtimetadatafield");
     $a_xml_writer->xmlStartTag("qtimetadatafield");
     $a_xml_writer->xmlElement("fieldlabel", NULL, "specificfeedback");
     $a_xml_writer->xmlElement("fieldentry", NULL, $this->object->getKeywordRelation());
     $a_xml_writer->xmlEndTag("qtimetadatafield");
     $a_xml_writer->xmlEndTag("qtimetadata");
     $a_xml_writer->xmlEndTag("itemmetadata");
     // PART I: qti presentation
     $attrs = array("label" => $this->object->getTitle());
     $a_xml_writer->xmlStartTag("presentation", $attrs);
     // add flow to presentation
     $a_xml_writer->xmlStartTag("flow");
     // add material with question text to presentation
     $this->object->addQTIMaterial($a_xml_writer, $this->object->getQuestion());
     // add information on response rendering
     $attrs = array("ident" => "TEXT", "rcardinality" => "Ordered");
     $a_xml_writer->xmlStartTag("response_str", $attrs);
     $attrs = array("fibtype" => "String", "prompt" => "Box");
     if ($this->object->getMaxNumOfChars() > 0) {
         $attrs["maxchars"] = $this->object->getMaxNumOfChars();
     }
     $a_xml_writer->xmlStartTag("render_fib", $attrs);
     $attrs = array("ident" => "A");
     $a_xml_writer->xmlStartTag("response_label", $attrs);
     $a_xml_writer->xmlEndTag("response_label");
     $a_xml_writer->xmlEndTag("render_fib");
     $solution = $this->object->getSuggestedSolution(0);
     if (count($solution)) {
         if (preg_match("/il_(\\d*?)_(\\w+)_(\\d+)/", $solution["internal_link"], $matches)) {
             $a_xml_writer->xmlStartTag("material");
             $intlink = "il_" . IL_INST_ID . "_" . $matches[2] . "_" . $matches[3];
             if (strcmp($matches[1], "") != 0) {
                 $intlink = $solution["internal_link"];
             }
             $attrs = array("label" => "suggested_solution");
             $a_xml_writer->xmlElement("mattext", $attrs, $intlink);
             $a_xml_writer->xmlEndTag("material");
         }
//.........这里部分代码省略.........

 /**
  * Returns a QTI xml representation of the survey
  *
  * @return string The QTI xml representation of the survey
  * @access public
  */
 function toXML()
 {
     include_once "./Services/Xml/classes/class.ilXmlWriter.php";
     $a_xml_writer = new ilXmlWriter();
     // set xml header
     $a_xml_writer->xmlHeader();
     $attrs = array("xmlns:xsi" => "http://www.w3.org/2001/XMLSchema-instance", "xsi:noNamespaceSchemaLocation" => "http://www.ilias.de/download/xsd/ilias_survey_4_2.xsd");
     $a_xml_writer->xmlStartTag("surveyobject", $attrs);
     $attrs = array("id" => $this->getSurveyId(), "title" => $this->getTitle());
     $a_xml_writer->xmlStartTag("survey", $attrs);
     $a_xml_writer->xmlElement("description", NULL, $this->getDescription());
     $a_xml_writer->xmlElement("author", NULL, $this->getAuthor());
     $a_xml_writer->xmlStartTag("objectives");
     $attrs = array("label" => "introduction");
     $this->addMaterialTag($a_xml_writer, $this->getIntroduction(), TRUE, TRUE, $attrs);
     $attrs = array("label" => "outro");
     $this->addMaterialTag($a_xml_writer, $this->getOutro(), TRUE, TRUE, $attrs);
     $a_xml_writer->xmlEndTag("objectives");
     if ($this->getAnonymize()) {
         $attribs = array("enabled" => "1");
     } else {
         $attribs = array("enabled" => "0");
     }
     $a_xml_writer->xmlElement("anonymisation", $attribs);
     $a_xml_writer->xmlStartTag("restrictions");
     if ($this->getAnonymize() == 2) {
         $attribs = array("type" => "free");
     } else {
         $attribs = array("type" => "restricted");
     }
     $a_xml_writer->xmlElement("access", $attribs);
     if ($this->getStartDate()) {
         $attrs = array("type" => "date");
         preg_match("/(\\d{4})(\\d{2})(\\d{2})(\\d{2})(\\d{2})(\\d{2})/", $this->getStartDate(), $matches);
         $a_xml_writer->xmlElement("startingtime", $attrs, sprintf("%04d-%02d-%02dT%02d:%02d:00", $matches[1], $matches[2], $matches[3], $matches[4], $matches[5], $matches[6]));
     }
     if ($this->getEndDate()) {
         $attrs = array("type" => "date");
         preg_match("/(\\d{4})(\\d{2})(\\d{2})(\\d{2})(\\d{2})(\\d{2})/", $this->getEndDate(), $matches);
         $a_xml_writer->xmlElement("endingtime", $attrs, sprintf("%04d-%02d-%02dT%02d:%02d:00", $matches[1], $matches[2], $matches[3], $matches[4], $matches[5], $matches[6]));
     }
     $a_xml_writer->xmlEndTag("restrictions");
     // constraints
     $pages =& $this->getSurveyPages();
     $hasconstraints = FALSE;
     foreach ($pages as $question_array) {
         foreach ($question_array as $question) {
             if (count($question["constraints"])) {
                 $hasconstraints = TRUE;
             }
         }
     }
     if ($hasconstraints) {
         $a_xml_writer->xmlStartTag("constraints");
         foreach ($pages as $question_array) {
             foreach ($question_array as $question) {
                 if (count($question["constraints"])) {
                     // found constraints
                     foreach ($question["constraints"] as $constraint) {
                         $attribs = array("sourceref" => $question["question_id"], "destref" => $constraint["question"], "relation" => $constraint["short"], "value" => $constraint["value"], "conjunction" => $constraint["conjunction"]);
                         $a_xml_writer->xmlElement("constraint", $attribs);
                     }
                 }
             }
         }
         $a_xml_writer->xmlEndTag("constraints");
     }
     // add the rest of the preferences in qtimetadata tags, because there is no correspondent definition in QTI
     $a_xml_writer->xmlStartTag("metadata");
     $a_xml_writer->xmlStartTag("metadatafield");
     $a_xml_writer->xmlElement("fieldlabel", NULL, "evaluation_access");
     $a_xml_writer->xmlElement("fieldentry", NULL, $this->getEvaluationAccess());
     $a_xml_writer->xmlEndTag("metadatafield");
     $a_xml_writer->xmlStartTag("metadatafield");
     $a_xml_writer->xmlElement("fieldlabel", NULL, "status");
     $a_xml_writer->xmlElement("fieldentry", NULL, $this->getStatus());
     $a_xml_writer->xmlEndTag("metadatafield");
     $a_xml_writer->xmlStartTag("metadatafield");
     $a_xml_writer->xmlElement("fieldlabel", NULL, "display_question_titles");
     $a_xml_writer->xmlElement("fieldentry", NULL, $this->getShowQuestionTitles());
     $a_xml_writer->xmlEndTag("metadatafield");
     $a_xml_writer->xmlStartTag("metadatafield");
     $a_xml_writer->xmlElement("fieldlabel", NULL, "SCORM");
     include_once "./Services/MetaData/classes/class.ilMD.php";
     $md = new ilMD($this->getId(), 0, $this->getType());
     $writer = new ilXmlWriter();
     $md->toXml($writer);
     $metadata = $writer->xmlDumpMem();
     $a_xml_writer->xmlElement("fieldentry", NULL, $metadata);
     $a_xml_writer->xmlEndTag("metadatafield");
     $a_xml_writer->xmlEndTag("metadata");
     $a_xml_writer->xmlEndTag("survey");
     $attribs = array("id" => $this->getId());
     $a_xml_writer->xmlStartTag("surveyquestions", $attribs);
//.........这里部分代码省略.........

 /**
  * Get xml representation
  * 	<dataset install_id="123" install_url="...">
  * 	<types entity="table_name" version="4.0.1">
  *		<ftype name="field_1" type="text" />
  *		<ftype name="field_2" type="date" />
  *		<ftype name="field_3" type="integer" />
  *	</types>
  *  <types ...>
  *    ...
  *  </types>
  *	<set entity="table_name">
  *		<rec>
  *			<field_1>content</field_1>
  *			<field_2>my_date</field_2>
  *			<field_3>my_number</field_3>
  *		</rec>
  *		...
  *	</set>
  *  </dataset>
  */
 final function getXmlRepresentation($a_entity, $a_schema_version, $a_ids, $a_field = "", $a_omit_header = false, $a_omit_types = false)
 {
     $this->dircnt = 1;
     // step 1: check target release and supported versions
     // step 2: init writer
     include_once "./Services/Xml/classes/class.ilXmlWriter.php";
     $writer = new ilXmlWriter();
     if (!$a_omit_header) {
         $writer->xmlHeader();
     }
     // collect namespaces
     $namespaces = $prefixes = array();
     $this->getNamespaces($namespaces, $a_entity, $a_schema_version);
     $atts = array("InstallationId" => IL_INST_ID, "InstallationUrl" => ILIAS_HTTP_PATH, "TopEntity" => $a_entity);
     $cnt = 1;
     foreach ($namespaces as $entity => $ns) {
         $prefix = "ns" . $cnt;
         $prefixes[$entity] = $prefix;
         //			$atts["xmlns:".$prefix] = $ns;
         $cnt++;
     }
     $writer->xmlStartTag($this->getDSPrefixString() . 'DataSet', $atts);
     // add types
     if (!$a_omit_types) {
         $this->addTypesXml($writer, $a_entity, $a_schema_version);
     }
     // add records
     $this->addRecordsXml($writer, $prefixes, $a_entity, $a_schema_version, $a_ids, $a_field = "");
     $writer->xmlEndTag($this->getDSPrefixString() . "DataSet");
     //if ($a_entity == "mep")
     //{
     //	echo "<pre>".htmlentities($writer->xmlDumpMem(true))."</pre>"; exit;
     //}
     return $writer->xmlDumpMem(false);
 }

 /**
  * Returns a QTI xml representation of the test
  *
  * @return string The QTI xml representation of the test
  * @access public
  */
 function toXML()
 {
     include_once "./Services/Xml/classes/class.ilXmlWriter.php";
     $a_xml_writer = new ilXmlWriter();
     // set xml header
     $a_xml_writer->xmlHeader();
     $a_xml_writer->xmlSetDtdDef("<!DOCTYPE questestinterop SYSTEM \"ims_qtiasiv1p2p1.dtd\">");
     $a_xml_writer->xmlStartTag("questestinterop");
     $attrs = array("ident" => "il_" . IL_INST_ID . "_tst_" . $this->getTestId(), "title" => $this->getTitle());
     $a_xml_writer->xmlStartTag("assessment", $attrs);
     // add qti comment
     $a_xml_writer->xmlElement("qticomment", NULL, $this->getDescription());
     // add qti duration
     if ($this->enable_processing_time) {
         preg_match("/(\\d+):(\\d+):(\\d+)/", $this->processing_time, $matches);
         $a_xml_writer->xmlElement("duration", NULL, sprintf("P0Y0M0DT%dH%dM%dS", $matches[1], $matches[2], $matches[3]));
     }
     // add the rest of the preferences in qtimetadata tags, because there is no correspondent definition in QTI
     $a_xml_writer->xmlStartTag("qtimetadata");
     $a_xml_writer->xmlStartTag("qtimetadatafield");
     $a_xml_writer->xmlElement("fieldlabel", NULL, "ILIAS_VERSION");
     $a_xml_writer->xmlElement("fieldentry", NULL, $this->ilias->getSetting("ilias_version"));
     $a_xml_writer->xmlEndTag("qtimetadatafield");
     // anonymity
     $a_xml_writer->xmlStartTag("qtimetadatafield");
     $a_xml_writer->xmlElement("fieldlabel", NULL, "anonymity");
     $a_xml_writer->xmlElement("fieldentry", NULL, sprintf("%d", $this->getAnonymity()));
     $a_xml_writer->xmlEndTag("qtimetadatafield");
     // random test
     $a_xml_writer->xmlStartTag("qtimetadatafield");
     $a_xml_writer->xmlElement("fieldlabel", NULL, "random_test");
     $a_xml_writer->xmlElement("fieldentry", NULL, sprintf("%d", $this->isRandomTest()));
     $a_xml_writer->xmlEndTag("qtimetadatafield");
     // sequence settings
     $a_xml_writer->xmlStartTag("qtimetadatafield");
     $a_xml_writer->xmlElement("fieldlabel", NULL, "sequence_settings");
     $a_xml_writer->xmlElement("fieldentry", NULL, $this->getSequenceSettings());
     $a_xml_writer->xmlEndTag("qtimetadatafield");
     // author
     $a_xml_writer->xmlStartTag("qtimetadatafield");
     $a_xml_writer->xmlElement("fieldlabel", NULL, "author");
     $a_xml_writer->xmlElement("fieldentry", NULL, $this->getAuthor());
     $a_xml_writer->xmlEndTag("qtimetadatafield");
     // reset processing time
     $a_xml_writer->xmlStartTag("qtimetadatafield");
     $a_xml_writer->xmlElement("fieldlabel", NULL, "reset_processing_time");
     $a_xml_writer->xmlElement("fieldentry", NULL, $this->getResetProcessingTime());
     $a_xml_writer->xmlEndTag("qtimetadatafield");
     // count system
     $a_xml_writer->xmlStartTag("qtimetadatafield");
     $a_xml_writer->xmlElement("fieldlabel", NULL, "count_system");
     $a_xml_writer->xmlElement("fieldentry", NULL, $this->getCountSystem());
     $a_xml_writer->xmlEndTag("qtimetadatafield");
     // multiple choice scoring
     $a_xml_writer->xmlStartTag("qtimetadatafield");
     $a_xml_writer->xmlElement("fieldlabel", NULL, "mc_scoring");
     $a_xml_writer->xmlElement("fieldentry", NULL, $this->getMCScoring());
     $a_xml_writer->xmlEndTag("qtimetadatafield");
     // multiple choice scoring
     $a_xml_writer->xmlStartTag("qtimetadatafield");
     $a_xml_writer->xmlElement("fieldlabel", NULL, "score_cutting");
     $a_xml_writer->xmlElement("fieldentry", NULL, $this->getScoreCutting());
     $a_xml_writer->xmlEndTag("qtimetadatafield");
     // multiple choice scoring
     $a_xml_writer->xmlStartTag("qtimetadatafield");
     $a_xml_writer->xmlElement("fieldlabel", NULL, "password");
     $a_xml_writer->xmlElement("fieldentry", NULL, $this->getPassword());
     $a_xml_writer->xmlEndTag("qtimetadatafield");
     // allowed users
     $a_xml_writer->xmlStartTag("qtimetadatafield");
     $a_xml_writer->xmlElement("fieldlabel", NULL, "allowedUsers");
     $a_xml_writer->xmlElement("fieldentry", NULL, $this->getAllowedUsers());
     $a_xml_writer->xmlEndTag("qtimetadatafield");
     // allowed users time gap
     $a_xml_writer->xmlStartTag("qtimetadatafield");
     $a_xml_writer->xmlElement("fieldlabel", NULL, "allowedUsersTimeGap");
     $a_xml_writer->xmlElement("fieldentry", NULL, $this->getAllowedUsersTimeGap());
     $a_xml_writer->xmlEndTag("qtimetadatafield");
     // pass scoring
     $a_xml_writer->xmlStartTag("qtimetadatafield");
     $a_xml_writer->xmlElement("fieldlabel", NULL, "pass_scoring");
     $a_xml_writer->xmlElement("fieldentry", NULL, $this->getPassScoring());
     $a_xml_writer->xmlEndTag("qtimetadatafield");
     // score reporting date
     if ($this->getReportingDate()) {
         $a_xml_writer->xmlStartTag("qtimetadatafield");
         $a_xml_writer->xmlElement("fieldlabel", NULL, "reporting_date");
         preg_match("/(\\d{4})(\\d{2})(\\d{2})(\\d{2})(\\d{2})(\\d{2})/", $this->reporting_date, $matches);
         $a_xml_writer->xmlElement("fieldentry", NULL, sprintf("P%dY%dM%dDT%dH%dM%dS", $matches[1], $matches[2], $matches[3], $matches[4], $matches[5], $matches[6]));
         $a_xml_writer->xmlEndTag("qtimetadatafield");
     }
     // number of tries
     $a_xml_writer->xmlStartTag("qtimetadatafield");
     $a_xml_writer->xmlElement("fieldlabel", NULL, "nr_of_tries");
//.........这里部分代码省略.........

 /**
  * Write webresource xml
  * @param ilXmlWriter $writer
  * @return 
  */
 public function toXML(ilXmlWriter $writer)
 {
     $attribs = array("obj_id" => "il_" . IL_INST_ID . "_webr_" . $this->getId());
     $writer->xmlStartTag('WebLinks', $attribs);
     // LOM MetaData
     include_once 'Services/MetaData/classes/class.ilMD2XML.php';
     $md2xml = new ilMD2XML($this->getId(), $this->getId(), 'webr');
     $md2xml->startExport();
     $writer->appendXML($md2xml->getXML());
     // Sorting
     include_once './Services/Container/classes/class.ilContainerSortingSettings.php';
     switch (ilContainerSortingSettings::_lookupSortMode($this->getId())) {
         case ilContainer::SORT_MANUAL:
             $writer->xmlElement('Sorting', array('type' => 'Manual'));
             break;
         case ilContainer::SORT_TITLE:
         default:
             $writer->xmlElement('Sorting', array('type' => 'Title'));
             break;
     }
     // All links
     include_once './Modules/WebResource/classes/class.ilLinkResourceItems.php';
     $links = new ilLinkResourceItems($this->getId());
     $links->toXML($writer);
     $writer->xmlEndTag('WebLinks');
     return true;
 }

 public static function _exportContainerSettings(ilXmlWriter $a_xml, $a_obj_id)
 {
     // container settings
     $settings = self::_getContainerSettings($a_obj_id);
     if (sizeof($settings)) {
         $a_xml->xmlStartTag("ContainerSettings");
         foreach ($settings as $keyword => $value) {
             // :TODO: proper custom icon export/import
             if (stristr($keyword, "icon")) {
                 continue;
             }
             $a_xml->xmlStartTag('ContainerSetting', array('id' => $keyword));
             $a_xml->xmlData($value);
             $a_xml->xmlEndTag("ContainerSetting");
         }
         $a_xml->xmlEndTag("ContainerSettings");
     }
 }