ilLanguageFile Class Reference

Class ilLanguageFile. More...

Collaboration diagram for ilLanguageFile:

Public Member Functions
	__construct ($a_file, $a_key="", $a_scope= 'global')
	Constructor.
	read ()
	Read a language file.
	write ()
	Write a language file.
	build ()
	Build and get the file content.
	getErrorMessage ()
	Get the error message of the last read/write operation.
	getAllParams ()
	Get array of all parameters.
	getAllValues ()
	Get array of all values.
	getAllComments ()
	Get array of all comments.
	getParam ($a_name)
	Get a single parameter.
	getValue ($a_module, $a_identifier)
	Get a single value.
	getComment ($a_module, $a_identifier)
	Get a single comment.
	setParam ($a_name, $a_value)
	Set a parameter.
	setValue ($a_module, $a_identifier, $a_value)
	Set a single value.
	setAllValues ($a_values)
	Set all values.
	setComment ($a_module, $a_identifier, $a_value)
	Set a single comment.

Static Public Member Functions
static	_getGlobalLanguageFile ($a_lang_key)
	Read and get a global language file as object.

Private Attributes
	$lang_file
	$lang_key
	$scope
	$separator
	$comment_separator
	$params = array()
	$values = array()
	$comments = array()
	$error_message = ""

Static Private Attributes
static	$global_file_objects = array()
	Created global file objects.

Detailed Description

Class ilLanguageFile.

Provides methods for working with language files: read, check and write content, comments and parameters

Author

Fred Neumann fred..nosp@m.neum.nosp@m.ann@f.nosp@m.im.u.nosp@m.ni-er.nosp@m.lang.nosp@m.en.de

Version

$Id$

Definition at line 35 of file class.ilLanguageFile.php.

Constructor & Destructor Documentation

ilLanguageFile::__construct	(		$a_file,
			$a_key = "",
			$a_scope = 'global'
	)

Constructor.

Parameters

string	language file path and name
string	(optional) language key
string	(optional) scope ('global', 'local' or 'unchanged')

Definition at line 103 of file class.ilLanguageFile.php.

References $lng, and ILIAS_VERSION.

        {
                global $lng;
                $this->separator = $lng->separator;
                $this->comment_separator = $lng->comment_separator;

                $this->lang_file = $a_file;
                $this->lang_key = $a_key;
                $this->scope = $a_scope;
                
                // Set the default parameters to be written in a new file.
                // This ensures the correct order of parameters
                
                $this->params["module"] = "language file";
                $this->params["modulegroup"] = "language";
                
                if ($this->scope == "local")
                {
                        $this->params["based_on"] = "";
                }
                else
                {
                        $this->params["author"] = "";
                        $this->params["version"] = "";
                }

                $this->params["il_server"] = ILIAS_HTTP_PATH;
                $this->params["il_version"] = ILIAS_VERSION;
                $this->params["created"] = "";
                $this->params["created_by"] = "";
        }

Member Function Documentation

static ilLanguageFile::_getGlobalLanguageFile (   $a_lang_key )

static

Read and get a global language file as object.

Parameters

string

language key

Returns

object language file object (with contents)

Definition at line 384 of file class.ilLanguageFile.php.

References $lng.

Referenced by ilObjLanguageExt\_saveValues(), and ilObjLanguageExt\getGlobalLanguageFile().

        {
                global $lng;
                
                if (!isset(self::$global_file_objects[$a_lang_key]))
                {
                        $file_object = new ilLanguageFile(
                                $lng->lang_path . "/ilias_" . $a_lang_key . ".lang",
                                $a_lang_key, 'global');
                        $file_object->read();
                        
                        self::$global_file_objects[$a_lang_key] = $file_object;
                }
                
                return self::$global_file_objects[$a_lang_key];
        }

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ilLanguageFile::build

(

)

Build and get the file content.

Returns

string language file content

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

References $lng, $tpl, getAllParams(), and getAllValues().

Referenced by write().

        {
                global $ilUser, $lng;

                // set default params
                $lang_name = $lng->txtlng('common','lang_'.$this->lang_key,'en');
                $this->params["module"] = "language file ". $lang_name;
                $this->params["created"] = date('Y-m-d H:i:s');
                $this->params["created_by"] = $ilUser->getFullname()." <".$ilUser->getEmail().">";

                // build the header
        $tpl = new ilTemplate("tpl.lang_file_header.html", true,true, "Services/Language");
                foreach ($this->getAllParams() as $name => $value)
                {
                        $tpl->setCurrentBlock('param');
                        $tpl->setVariable('PAR_NAME', $name);
                        $tpl->setVariable('PAR_VALUE', $value);
                        $tpl->parseCurrentBlock();
                }
                $txt_scope = $lng->txtlng('administration','language_scope_'.$this->scope,'en');
                $tpl->setVariable('SCOPE', $txt_scope, 'en');

                // build the content
                $content = $tpl->get();
                foreach ($this->getAllValues() as $key => $value)
                {
                        $content .= $key . $this->separator . $value . "\n";
                }
                return $content;
        }

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ilLanguageFile::getAllComments

(

)

Get array of all comments.

Returns

array module.separator.identifier => comment

Definition at line 301 of file class.ilLanguageFile.php.

References $comments.

        {
                return $this->comments;
        }

ilLanguageFile::getAllParams

(

)

Get array of all parameters.

Returns

array name => value

Definition at line 283 of file class.ilLanguageFile.php.

References $params.

Referenced by build().

        {
                return $this->params;
        }

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ilLanguageFile::getAllValues

(

)

Get array of all values.

Returns

array module.separator.identifier => value

Definition at line 292 of file class.ilLanguageFile.php.

References $values.

Referenced by build().

        {
                return $this->values;
        }

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ilLanguageFile::getComment	(		$a_module,
			$a_identifier
	)

Get a single comment.

Parameters

string	module name
string	indentifier

Returns

string value

Definition at line 333 of file class.ilLanguageFile.php.

        {
                return $this->comments[$a_module.$this->separator.$a_identifier];
        }

ilLanguageFile::getErrorMessage

(

)

Get the error message of the last read/write operation.

Returns

string error message

Definition at line 274 of file class.ilLanguageFile.php.

References $error_message.

        {
                return $this->error_message;
        }

ilLanguageFile::getParam

(

$a_name

)

Get a single parameter.

Parameters

string

parameter name

Returns

string parameter value

Definition at line 311 of file class.ilLanguageFile.php.

        {
                return $this->params[$a_name];
        }

ilLanguageFile::getValue	(		$a_module,
			$a_identifier
	)

Get a single value.

Parameters

string	module name
string	indentifier

Returns

string value

Definition at line 322 of file class.ilLanguageFile.php.

        {
                return $this->values[$a_module.$this->separator.$a_identifier];
        }

ilLanguageFile::read

(

)

Read a language file.

Returns

boolean reading successful

Definition at line 139 of file class.ilLanguageFile.php.

References $lng.

        {
                global $lng;
                
                $this->params = array();
                $this->values = array();
                $this->comments = array();
                $this->error_message = "";

                $content = file($this->lang_file);
                $in_header = true;

                foreach ($content as $line_num => $line)
                {
                        if ($in_header)
                        {
                                // check header end
                                if (trim($line) == "<!-- language file start -->")
                                {
                                        $in_header = false;
                                        continue;
                                }
                                else
                                {
                                        // get header params
                                        $pos_par = strpos($line, "* @");
                                        
                                        if ($pos_par !== false)
                                        {
                                        $pos_par += 3;
                                                $pos_space = strpos($line, " ", $pos_par);
                                                $pos_tab = strpos($line, "\t", $pos_par);
                                                $pos_white = min($pos_space, $pos_tab);
                                        
                                                $param = substr($line, $pos_par, $pos_white-$pos_par);
                                                $value = trim(substr($line, $pos_white));
                                                
                                                $this->params[$param] = $value;
                                        }
                                }
                        }
                        else
                        {
                                // separate the lang file entry
                                $separated = explode($this->separator, trim($line));
                                
                                // not a valid line with module, identifier and value?
                                if (count($separated) != 3)
                                {
                                        $this->error_message =
                                                        $lng->txt("file_not_valid"). " "
                                                        .$lng->txt("err_in_line")." ". $line_num . ". "
                                                        .$lng->txt("err_count_param");
                                        return false;
                                }
                                else
                                {
                                        $key = $separated[0].$this->separator.$separated[1];
                                        $value = $separated[2];

                                        // cut off comment
                                        $pos = strpos($value, $this->comment_separator);
                                        if ($pos !== false)
                                        {
                                                $this->comments[$key]
                                                        = substr($value , $pos + strlen($this->comment_separator));
                                                        
                                                $value = substr($value , 0 , $pos);
                                        }
                                        $this->values[$key] = $value;
                                }
                        }
                }
                // still in header after parsing the whole file?
                if ($in_header)
                {
                        $this->error_message = $lng->txt("file_not_valid")." ".$lng->txt("err_wrong_header");
                        return false;
                }
                else
                {
                        return true;
                }
        }

ilLanguageFile::setAllValues

(

$a_values

)

Set all values.

Parameters

array

module.separator.identifier => value

Definition at line 363 of file class.ilLanguageFile.php.

        {
                $this->values = $a_values;
        }

ilLanguageFile::setComment	(		$a_module,
			$a_identifier,
			$a_value
	)

Set a single comment.

Parameters

string	module name
string	indentifier
string	comment

Definition at line 374 of file class.ilLanguageFile.php.

        {
                return $this->comments[$a_module.$this->separator.$a_identifier] = $a_comment;
        }

ilLanguageFile::setParam	(		$a_name,
			$a_value
	)

Set a parameter.

Parameters

string	parameter name
string	parameter value

Definition at line 343 of file class.ilLanguageFile.php.

        {
                $this->params[$a_name] = $a_value;
        }

ilLanguageFile::setValue	(		$a_module,
			$a_identifier,
			$a_value
	)

Set a single value.

Parameters

string	module name
string	indentifier
string	value

Definition at line 354 of file class.ilLanguageFile.php.

        {
                $this->values[$a_module.$this->separator.$a_identifier] = $a_value;
        }

ilLanguageFile::write

(

)

Write a language file.

Definition at line 227 of file class.ilLanguageFile.php.

References build().

        {
                $fp = fopen($this->lang_file, "w");
                fwrite($fp, $this->build());
                fclose($fp);
        }

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Field Documentation

ilLanguageFile::$comment_separator

private

Definition at line 71 of file class.ilLanguageFile.php.

ilLanguageFile::$comments = array()

private

Definition at line 89 of file class.ilLanguageFile.php.

Referenced by getAllComments().

ilLanguageFile::$error_message = ""

private

Definition at line 95 of file class.ilLanguageFile.php.

Referenced by getErrorMessage().

ilLanguageFile::$global_file_objects = array()

staticprivate

Created global file objects.

array

Definition at line 41 of file class.ilLanguageFile.php.

ilLanguageFile::$lang_file

private

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

ilLanguageFile::$lang_key

private

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

ilLanguageFile::$params = array()

private

Definition at line 77 of file class.ilLanguageFile.php.

Referenced by getAllParams().

ilLanguageFile::$scope

private

Definition at line 59 of file class.ilLanguageFile.php.

ilLanguageFile::$separator

private

Definition at line 65 of file class.ilLanguageFile.php.

ilLanguageFile::$values = array()

private

Definition at line 83 of file class.ilLanguageFile.php.

Referenced by getAllValues().

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

• Services/Language/classes/class.ilLanguageFile.php