Base class for sax-based expat parsing extended classes need to overwrite the method setHandlers and implement their own handler methods. More...

Inheritance diagram for ilSaxParser:

Collaboration diagram for ilSaxParser:

Public Member Functions
	ilSaxParser ($a_xml_file= '', $throwException=false)
	Constructor setup ILIAS global object public.
	setXMLContent ($a_xml_content)
	getXMLContent ()
	getInputType ()
	startParsing ()
	stores xml data in array
	createParser ()
	create parser
	setOptions ($a_xml_parser)
	set parser options
	setHandlers ($a_xml_parser)
	set event handler should be overwritten by inherited class private
	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
	$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()

Protected Member Functions
	handleError ($message, $code)
	use given error handler to handle error message or internal ilias error message handle

Detailed Description

Base class for sax-based expat parsing extended classes need to overwrite the method setHandlers and implement their own handler methods.

Author: Stefan Meyer <smeyer>

Version

Id:: class.ilSaxParser.php 28147 2011-03-20 15:45:21Z hschottm

Definition at line 17 of file class.ilSaxParser.php.

Member Function Documentation

ilSaxParser::createParser ( )

create parser

private

Exceptions

ilSaxParserException or ILIAS Error

Definition at line 134 of file class.ilSaxParser.php.

References handleError().

Referenced by startParsing(), and ilnetucateResponse\startParsing().

        {
                $xml_parser = xml_parser_create("UTF-8");
                if($xml_parser == false)
                {
                        $this->handleError("Cannot create an XML parser handle",$this->ilias->error_obj->FATAL);
                }
                return $xml_parser;
        }

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ilSaxParser::freeParser ( $a_xml_parser )

free xml parser handle

private

Definition at line 238 of file class.ilSaxParser.php.

Referenced by startParsing(), and ilnetucateResponse\startParsing().

        {
                if(!xml_parser_free($a_xml_parser))
                {
                        $this->ilias->raiseError("Error freeing xml parser handle ",$this->ilias->error_obj->FATAL);
                }
        }

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ilSaxParser::getInputType ( )

Definition at line 93 of file class.ilSaxParser.php.

References $input_type.

Referenced by ilXMLChecker\parse(), SurveyImportParser\parse(), SurveyImportParserPre38\parse(), parse(), and startParsing().

        {
                return $this->input_type;
        }

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ilSaxParser::getXMLContent ( )

Definition at line 88 of file class.ilSaxParser.php.

References $xml_content.

Referenced by ilXMLChecker\parse(), SurveyImportParser\parse(), SurveyImportParserPre38\parse(), and parse().

        {
                return $this->xml_content;
        }

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ilSaxParser::handleError	(	$message,
		$code
	)

protected

use given error handler to handle error message or internal ilias error message handle

Parameters

string	$message
string	$code

Exceptions

ilSaxParserException or ILIAS Error

Definition at line 217 of file class.ilSaxParser.php.

Referenced by createParser(), openXMLFile(), parse(), and startParsing().

                                                        {
                if ($this->throwException) {
                        require_once ('./classes/class.ilSaxParserException.php');                      
                        throw new ilSaxParserException ($message, $code);
                } else {
                        if (is_object($this->ilias))
                        {
                                $this->ilias->raiseError($message, $code);
                        }
                        else
                        {
                                die($message);
                        }
                }
                return false;
        }

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ilSaxParser::ilSaxParser	(	$a_xml_file = `''`,
		$throwException = `false`
	)

Constructor setup ILIAS global object public.

Definition at line 68 of file class.ilSaxParser.php.

References $ilias, $lng, and $throwException.

Referenced by ilExportFileParser\__construct(), ilManifestParser\__construct(), ilDataSetImportParser\__construct(), ilCategoryImportParser\ilCategoryImportParser(), ilCopyWizardSettingsXMLParser\ilCopyWizardSettingsXMLParser(), ilExerciseXMLParser\ilExerciseXMLParser(), ilFileXMLParser\ilFileXMLParser(), ilGroupXMLParser\ilGroupXMLParser(), ilMailImportParser\ilMailImportParser(), ilMDSaxParser\ilMDSaxParser(), ilnetucateResponse\ilnetucateResponse(), ilObjDefReader\ilObjDefReader(), ilObjectDefinition\ilObjectDefinition(), ilObjectXMLParser\ilObjectXMLParser(), ilPluginReader\ilPluginReader(), ilQTIParser\ilQTIParser(), ilSCORMPackageParser\ilSCORMPackageParser(), ilStyleDefinition\ilStyleDefinition(), ilStyleImportParser\ilStyleImportParser(), ilUserImportParser\ilUserImportParser(), ilXMLChecker\ilXMLChecker(), ilXMLResultSetParser\ilXMLResultSetParser(), SurveyImportParser\SurveyImportParser(), and SurveyImportParserPre38\SurveyImportParserPre38().

        {
                global $ilias, $lng;
                if($a_xml_file)
                {
                        $this->xml_file = $a_xml_file;
                        $this->input_type = 'file';
                }
                $this->throwException = $throwException;
                $this->ilias = &$ilias;
                $this->lng = &$lng;
        }

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ilSaxParser::openXMLFile ( )

open xml file

private

Exceptions

ilSaxParserException or ILIAS Error

Definition at line 168 of file class.ilSaxParser.php.

References handleError().

Referenced by startParsing().

        {
                if(!($fp = fopen($this->xml_file,'r')))
                {
                        $this->handleError("Cannot open xml file \"".$this->xml_file."\"",$this->ilias->error_obj->FATAL);
                }
                return $fp;
        }

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ilSaxParser::parse	(	$a_xml_parser,
		$a_fp = `null`
	)

parse xml file

private

Exceptions

ilSaxParserException or ILIAS Error

Reimplemented in SurveyImportParserPre38, SurveyImportParser, ilnetucateResponse, ilXMLChecker, and ilObjectXMLParser.

Definition at line 182 of file class.ilSaxParser.php.

References $data, getInputType(), getXMLContent(), and handleError().

Referenced by startParsing().

        {
                switch($this->getInputType())
                {
                        case 'file':
                                while($data = fread($a_fp,4096))
                                {
                                        $parseOk = xml_parse($a_xml_parser,$data,feof($a_fp));
                                }
                                break;
                                
                        case 'string':
                                $parseOk = xml_parse($a_xml_parser,$this->getXMLContent());
                                break;
                }
                if(!$parseOk
                   && (xml_get_error_code($a_xml_parser) != XML_ERROR_NONE))
                {
                        $errorCode = xml_get_error_code($a_xml_parser);
                        $line = xml_get_current_line_number($a_xml_parser);
                        $col = xml_get_current_column_number($a_xml_parser);                    
                        $this->handleError("XML Parse Error: ".xml_error_string($errorCode)." at line ".$line.", col ". $col . " (Code: ".$errorCode.")" ,$this->ilias->error_obj->FATAL);
                }
                return true;
                                
        }

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ilSaxParser::setHandlers ( $a_xml_parser )

set event handler should be overwritten by inherited class private

Reimplemented in ilObjectDefinition, ilUserImportParser, ilQTIParser, ilStyleDefinition, ilManifestParser, SurveyImportParserPre38, SurveyImportParser, ilContObjParser, ilFileXMLParser, ilExerciseXMLParser, ilMDSaxParser, ilnetucateResponse, ilGroupXMLParser, ilWebLinkXmlParser, ilCourseXMLParser, ilObjectXMLParser, ilMailImportParser, ilSCORMPackageParser, ilXMLResultSetParser, ilFolderXmlParser, ilXMLChecker, ilCategoryImportParser, ilStyleImportParser, ilDataSetImportParser, ilMDXMLCopier, ilServiceReader, ilModuleReader, ilObjDefReader, ilTestResultsImportParser, ilCopyWizardSettingsXMLParser, ilExportFileParser, ilPluginReader, ilMDXMLParser, and ilTableDataParser.

Definition at line 158 of file class.ilSaxParser.php.

Referenced by startParsing().

        {
                echo 'ilSaxParser::setHandlers() must be overwritten';
        }

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ilSaxParser::setOptions ( $a_xml_parser )

set parser options

private

Definition at line 149 of file class.ilSaxParser.php.

Referenced by startParsing(), and ilnetucateResponse\startParsing().

        {
                xml_parser_set_option($a_xml_parser,XML_OPTION_CASE_FOLDING,false);
        }

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ilSaxParser::setThrowException ( $throwException )

set error handling

Parameters

$error_handler

Definition at line 251 of file class.ilSaxParser.php.

References $throwException.

Referenced by ilFolderXmlParser\__construct(), and ilWebLinkXmlParser\__construct().

        {
                $this->throwException = $throwException;
        }

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ilSaxParser::setXMLContent ( $a_xml_content )

Definition at line 82 of file class.ilSaxParser.php.

Referenced by ilFolderXmlParser\__construct(), ilDataSetImportParser\__construct(), ilWebLinkXmlParser\__construct(), ilCopyWizardSettingsXMLParser\ilCopyWizardSettingsXMLParser(), ilExerciseXMLParser\ilExerciseXMLParser(), ilFileXMLParser\ilFileXMLParser(), ilGroupXMLParser\ilGroupXMLParser(), ilMDXMLCopier\ilMDXMLCopier(), ilMDXMLParser\ilMDXMLParser(), ilObjectXMLParser\ilObjectXMLParser(), and ilXMLResultSetParser\ilXMLResultSetParser().

        {
                $this->xml_content = $a_xml_content;
                $this->input_type = 'string';
        }

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ilSaxParser::startParsing ( )

stores xml data in array

private

Exceptions

ilSaxParserException or ILIAS Error

Reimplemented in ilUserImportParser, ilQTIParser, ilManifestParser, SurveyImportParserPre38, SurveyImportParser, ilContObjParser, ilnetucateResponse, ilGroupXMLParser, ilMailImportParser, ilSCORMPackageParser, ilXMLChecker, ilCategoryImportParser, ilStyleImportParser, ilDataSetImportParser, ilExportFileParser, ilPluginReader, and ilSimpleXMLTableDataParser.

Definition at line 104 of file class.ilSaxParser.php.

References createParser(), freeParser(), getInputType(), handleError(), openXMLFile(), parse(), setHandlers(), and setOptions().

Referenced by ilMD\cloneMD(), ilSCORM13Package\dbImportLM(), ilSCORM13Package\dbImportSco(), ilModuleReader\getModules(), ilServiceReader\getServices(), ilFolderXmlParser\start(), ilWebLinkXmlParser\start(), ilExerciseXMLParser\start(), and ilFileXMLParser\start().

        {
                $xml_parser = $this->createParser();
                $this->setOptions($xml_parser);
                $this->setHandlers($xml_parser);
                switch($this->getInputType())
                {
                        case 'file':
                                $fp = $this->openXMLFile();
                                $this->parse($xml_parser,$fp);
                                break;
                        case 'string':
                                $this->parse($xml_parser);
                                break;
                        default:
                                $this->handleError("No input type given. Set filename in constructor or choose setXMLContent()",
                                                                                 $this->ilias->error_obj->FATAL);
                                break;
                }
                $this->freeParser($xml_parser);
        }