ilSCORMPackageParser Class Reference

SCORM Package Parser. More...

Inheritance diagram for ilSCORMPackageParser:

Collaboration diagram for ilSCORMPackageParser:

Public Member Functions
	ilSCORMPackageParser (&$a_slm_object, $a_xml_file)
	Constructor.
	setHandlers ($a_xml_parser)
	set event handler should be overwritten by inherited class private
	startParsing ()
	stores xml data in array
	getPackageTitle ()
	beginElement ($a_name)
	endElement ($a_name)
	getCurrentElement ()
	getAncestorElement ($nr=1)
	getOpenCount ($a_name)
	buildTag ($type, $name, $attr="")
	generate a tag with given name and attributes
	getCurrentParent ()
	handlerBeginTag ($a_xml_parser, $a_name, $a_attribs)
	handler for begin of element
	handlerEndTag ($a_xml_parser, $a_name)
	handler for end of element
	handlerCharacterData ($a_xml_parser, $a_data)
	handler for character data
Public Member Functions inherited from ilSaxParser
	ilSaxParser ($a_xml_file= '', $throwException=false)
	Constructor setup ILIAS global object public.
	setXMLContent ($a_xml_content)
	getXMLContent ()
	getInputType ()
	createParser ()
	create parser
	setOptions ($a_xml_parser)
	set parser options
	openXMLFile ()
	open xml file
	parse ($a_xml_parser, $a_fp=null)
	parse xml file
	freeParser ($a_xml_parser)
	free xml parser handle
	setThrowException ($throwException)
	set error handling
Public Member Functions inherited from PEAR
	PEAR ($error_class=null)
	Constructor.
	_PEAR ()
	Destructor (the emulated type of...).
&	getStaticProperty ($class, $var)
	If you have a class that's mostly/entirely static, and you need static properties, you can use this method to simulate them.
	registerShutdownFunc ($func, $args=array())
	Use this function to register a shutdown method for static classes.
	isError ($data, $code=null)
	Tell whether a value is a PEAR error.
	setErrorHandling ($mode=null, $options=null)
	Sets how errors generated by this object should be handled.
	expectError ($code= '*')
	This method is used to tell which errors you expect to get.
	popExpect ()
	This method pops one element off the expected error codes stack.
	_checkDelExpect ($error_code)
	This method checks unsets an error code if available.
	delExpect ($error_code)
	This method deletes all occurences of the specified element from the expected error codes stack.
&	raiseError ($message=null, $code=null, $mode=null, $options=null, $userinfo=null, $error_class=null, $skipmsg=false)
	This method is a wrapper that returns an instance of the configured error class with this object's default error handling applied.
&	throwError ($message=null, $code=null, $userinfo=null)
	Simpler form of raiseError with fewer options.
	staticPushErrorHandling ($mode, $options=null)
	staticPopErrorHandling ()
	pushErrorHandling ($mode, $options=null)
	Push a new error handler on top of the error handler options stack.
	popErrorHandling ()
	Pop the last error handler used.
	loadExtension ($ext)
	OS independant PHP extension load.

Data Fields
	$cnt
	$current_element
	$slm_object
	$parent_stack
	$tree_created
	$scorm_tree
	$current_organization
	$current_resource
	$item_stack
	$package_title = ""
Data Fields inherited from ilSaxParser
	$input_type = null
	$xml_content = ''
	$ilias
	$lng
	$xml_file
	$throwException = false
Data Fields inherited from PEAR
	$_debug = false
	$_default_error_mode = null
	$_default_error_options = null
	$_default_error_handler = ''
	$_error_class = 'PEAR_Error'
	$_expected_errors = array()

Additional Inherited Members
Protected Member Functions inherited from ilSaxParser
	handleError ($message, $code)
	use given error handler to handle error message or internal ilias error message handle

Detailed Description

SCORM Package Parser.

Author

Version

Id:

class.ilSCORMPackageParser.php 12711 2006-12-01 15:24:41Z akill

Definition at line 42 of file class.ilSCORMPackageParser.php.

Member Function Documentation

ilSCORMPackageParser::beginElement

(

$a_name

)

Definition at line 99 of file class.ilSCORMPackageParser.php.

Referenced by handlerBeginTag().

        {
                if(!isset($this->status["$a_name"]))
                {
                        $this->cnt[$a_name] == 1;
                }
                else
                {
                        $this->cnt[$a_name]++;
                }
                $this->current_element[count($this->current_element)] = $a_name;
        }

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ilSCORMPackageParser::buildTag	(		$type,
			$name,
			$attr = ""
	)

generate a tag with given name and attributes

Parameters

string	"start" | "end" for starting or ending tag
string	element/tag name
array	array of attributes

Definition at line 160 of file class.ilSCORMPackageParser.php.

References $name, and $type.

        {
                $tag = "<";

                if ($type == "end")
                        $tag.= "/";

                $tag.= $name;

                if (is_array($attr))
                {
                        while (list($k,$v) = each($attr))
                                $tag.= " ".$k."=\"$v\"";
                }

                $tag.= ">";

                return $tag;
        }

ilSCORMPackageParser::endElement

(

$a_name

)

Definition at line 115 of file class.ilSCORMPackageParser.php.

Referenced by handlerEndTag().

        {
                $this->cnt[$a_name]--;
                unset ($this->current_element[count($this->current_element) - 1]);
        }

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ilSCORMPackageParser::getAncestorElement

(

$nr = 1

)

Definition at line 132 of file class.ilSCORMPackageParser.php.

Referenced by handlerCharacterData().

        {
                return ($this->current_element[count($this->current_element) - 1 - $nr]);
        }

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ilSCORMPackageParser::getCurrentElement

(

)

Definition at line 124 of file class.ilSCORMPackageParser.php.

Referenced by handlerCharacterData().

        {
                return ($this->current_element[count($this->current_element) - 1]);
        }

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ilSCORMPackageParser::getCurrentParent

(

)

Definition at line 180 of file class.ilSCORMPackageParser.php.

Referenced by handlerBeginTag().

        {
                return $this->parent_stack[count($this->parent_stack) - 1];
        }

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ilSCORMPackageParser::getOpenCount

(

$a_name

)

Definition at line 140 of file class.ilSCORMPackageParser.php.

        {
                if (isset($this->cnt[$a_name]))
                {
                        return $this->cnt[$a_name];
                }
                else
                {
                        return 0;
                }

        }

ilSCORMPackageParser::getPackageTitle

(

)

Definition at line 91 of file class.ilSCORMPackageParser.php.

References $package_title.

        {
                return $this->package_title;
        }

ilSCORMPackageParser::handlerBeginTag	(		$a_xml_parser,
			$a_name,
			$a_attribs
	)

handler for begin of element

Definition at line 188 of file class.ilSCORMPackageParser.php.

References $file, ilTree\addTree(), beginElement(), and getCurrentParent().

        {
//echo "<br>handlerBeginTag:".$a_name;
                switch($a_name)
                {
                        case "manifest":
                                $manifest =& new ilSCORMManifest();
                                $manifest->setSLMId($this->slm_object->getId());
                                $manifest->setImportId($a_attribs["identifier"]);
                                $manifest->setVersion($a_attribs["version"]);
                                $manifest->setXmlBase($a_attribs["xml:base"]);
                                $manifest->create();
                                if (!$this->tree_created)
                                {
                                        $this->sc_tree =& new ilSCORMTree($this->slm_object->getId());
                                        $this->sc_tree->addTree($this->slm_object->getId(), $manifest->getId());
                                }
                                else
                                {
                                        $this->sc_tree->insertNode($manifest->getId(), $this->getCurrentParent());
                                }
                                array_push($this->parent_stack, $manifest->getId());
                                break;

                        case "organizations":
                                $organizations =& new ilSCORMOrganizations();
                                $organizations->setSLMId($this->slm_object->getId());
                                $organizations->setDefaultOrganization($a_attribs["default"]);
                                $organizations->create();
                                $this->sc_tree->insertNode($organizations->getId(), $this->getCurrentParent());
                                array_push($this->parent_stack, $organizations->getId());
                                break;

                        case "organization":
                                $organization =& new ilSCORMOrganization();
                                $organization->setSLMId($this->slm_object->getId());
                                $organization->setImportId($a_attribs["identifier"]);
                                $organization->setStructure($a_attribs["structure"]);
                                $organization->create();
                                $this->current_organization =& $organization;
                                $this->sc_tree->insertNode($organization->getId(), $this->getCurrentParent());
                                array_push($this->parent_stack, $organization->getId());
                                break;

                        case "item":
                                $item =& new ilSCORMItem();
                                $item->setSLMId($this->slm_object->getId());
                                $item->setImportId($a_attribs["identifier"]);
                                $item->setIdentifierRef($a_attribs["identifierref"]);
                                if (strtolower($a_attribs["isvisible"]) != "false")
                                {
                                        $item->setVisible(true);
                                }
                                else
                                {
                                        $item->setVisible(false);
                                }
                                $item->setParameters($a_attribs["parameters"]);
                                $item->create();
                                $this->sc_tree->insertNode($item->getId(), $this->getCurrentParent());
                                array_push($this->parent_stack, $item->getId());
                                $this->item_stack[count($this->item_stack)] =& $item;
                                break;

                        case "adlcp:prerequisites":
                                $this->item_stack[count($this->item_stack) - 1]->setPrereqType($a_attribs["type"]);
                                break;

                        case "resources":
                                $resources =& new ilSCORMResources();
                                $resources->setSLMId($this->slm_object->getId());
                                $resources->setXmlBase($a_attribs["xml:base"]);
                                $resources->create();
                                $this->sc_tree->insertNode($resources->getId(), $this->getCurrentParent());
                                array_push($this->parent_stack, $resources->getId());
                                break;

                        case "resource":
                                $resource =& new ilSCORMResource();
                                $resource->setSLMId($this->slm_object->getId());
                                $resource->setImportId($a_attribs["identifier"]);
                                $resource->setResourceType($a_attribs["type"]);
                                $resource->setScormType($a_attribs["adlcp:scormtype"]);
                                $resource->setXmlBase($a_attribs["xml:base"]);
                                $resource->setHRef($a_attribs["href"]);
                                $resource->create();
                                $this->current_resource =& $resource;
                                $this->sc_tree->insertNode($resource->getId(), $this->getCurrentParent());
                                array_push($this->parent_stack, $resource->getId());
                                break;

                        case "file":
                                $file =& new ilSCORMResourceFile();
                                $file->setHRef($a_attribs["href"]);
                                $this->current_resource->addFile($file);
                                break;

                        case "dependency":
                                $dependency =& new ilSCORMResourceDependency();
                                $dependency->setIdentifierRef($a_attribs["identifierref"]);
                                $this->current_resource->addDependency($dependency);
                                break;

                }
                $this->beginElement($a_name);
        }

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ilSCORMPackageParser::handlerCharacterData	(		$a_xml_parser,
			$a_data
	)

handler for character data

Definition at line 334 of file class.ilSCORMPackageParser.php.

References getAncestorElement(), and getCurrentElement().

        {
//echo "<br>handlerCharacterData:".$this->getCurrentElement().":".$a_data;
                // DELETE WHITESPACES AND NEWLINES OF CHARACTER DATA
                $a_data = preg_replace("/\n/","",$a_data);
                $a_data = preg_replace("/\t+/","",$a_data);
                if(!empty($a_data))
                {
                        switch($this->getCurrentElement())
                        {
                                case "title":
                                        switch ($this->getAncestorElement(1))
                                        {
                                                case "organization":
                                                        $this->current_organization->setTitle(
                                                                $this->current_organization->getTitle() . $a_data
                                                        );
                                                        $this->package_title = $this->current_organization->getTitle();
                                                        break;

                                                case "item":
                                                        $this->item_stack[count($this->item_stack) - 1]->setTitle(
                                                                $this->item_stack[count($this->item_stack) - 1]->getTitle() . $a_data
                                                        );
                                                        break;
                                        }
                                        break;

                                case "adlcp:prerequisites":
                                        $this->item_stack[count($this->item_stack) - 1]->setPrerequisites($a_data);
                                        break;

                                case "adlcp:maxtimeallowed":
                                        $this->item_stack[count($this->item_stack) - 1]->setMaxTimeAllowed($a_data);
                                        break;

                                case "adlcp:timelimitaction":
                                        $this->item_stack[count($this->item_stack) - 1]->setTimeLimitAction($a_data);
                                        break;

                                case "adlcp:datafromlms":
                                        $this->item_stack[count($this->item_stack) - 1]->setDataFromLms($a_data);
                                        break;

                                case "adlcp:masteryscore":
                                        $this->item_stack[count($this->item_stack) - 1]->setMasteryScore($a_data);
                                        break;

                        }
                }
        }

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ilSCORMPackageParser::handlerEndTag	(		$a_xml_parser,
			$a_name
	)

handler for end of element

Definition at line 298 of file class.ilSCORMPackageParser.php.

References endElement().

        {
//echo "<br>handlerEndTag:".$a_name;

                switch($a_name)
                {
                        case "manifest":
                        case "organizations":
                        case "resources":
                                array_pop($this->parent_stack);
                                break;

                        case "organization":
                                $this->current_organization->update();
                                array_pop($this->parent_stack);
                                break;

                        case "item":
                                $this->item_stack[count($this->item_stack) - 1]->update();
                                unset($this->item_stack[count($this->item_stack) - 1]);
                                array_pop($this->parent_stack);
                                break;

                        case "resource":
                                $this->current_resource->update();
                                array_pop($this->parent_stack);
                                break;

                }
                $this->endElement($a_name);

        }

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ilSCORMPackageParser::ilSCORMPackageParser	(	&	$a_slm_object,
			$a_xml_file
	)

Constructor.

Parameters

object	$a_lm_object	must be of type ilObjLearningModule
string	$a_xml_file	xml file public

Definition at line 63 of file class.ilSCORMPackageParser.php.

References ilSaxParser\ilSaxParser().

        {
                parent::ilSaxParser($a_xml_file);
                $this->cnt = array();
                $this->current_element = array();
                $this->slm_object =& $a_slm_object;
                $this->tree_created = false;
                $this->parent_stack = array();
                $this->item_stack = array();
        }

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ilSCORMPackageParser::setHandlers

(

$a_xml_parser

)

set event handler should be overwritten by inherited class private

Reimplemented from ilSaxParser.

Definition at line 79 of file class.ilSCORMPackageParser.php.

        {
                xml_set_object($a_xml_parser,$this);
                xml_set_element_handler($a_xml_parser,'handlerBeginTag','handlerEndTag');
                xml_set_character_data_handler($a_xml_parser,'handlerCharacterData');
        }

ilSCORMPackageParser::startParsing

(

)

stores xml data in array

private

Exceptions

ilSaxParserException

or ILIAS Error

Reimplemented from ilSaxParser.

Definition at line 86 of file class.ilSCORMPackageParser.php.

        {
                parent::startParsing();
        }

Field Documentation

ilSCORMPackageParser::$cnt

Definition at line 44 of file class.ilSCORMPackageParser.php.

ilSCORMPackageParser::$current_element

Definition at line 45 of file class.ilSCORMPackageParser.php.

ilSCORMPackageParser::$current_organization

Definition at line 50 of file class.ilSCORMPackageParser.php.

ilSCORMPackageParser::$current_resource

Definition at line 51 of file class.ilSCORMPackageParser.php.

ilSCORMPackageParser::$item_stack

Definition at line 52 of file class.ilSCORMPackageParser.php.

ilSCORMPackageParser::$package_title = ""

Definition at line 53 of file class.ilSCORMPackageParser.php.

Referenced by getPackageTitle().

ilSCORMPackageParser::$parent_stack

Definition at line 47 of file class.ilSCORMPackageParser.php.

ilSCORMPackageParser::$scorm_tree

Definition at line 49 of file class.ilSCORMPackageParser.php.

ilSCORMPackageParser::$slm_object

Definition at line 46 of file class.ilSCORMPackageParser.php.

ilSCORMPackageParser::$tree_created

Definition at line 48 of file class.ilSCORMPackageParser.php.

---

The documentation for this class was generated from the following file:

• Modules/ScormAicc/classes/SCORM/class.ilSCORMPackageParser.php