ilLanguageFile Class Reference

Class ilLanguageFile. More...

Collaboration diagram for ilLanguageFile:

Public Member Functions
	__construct ($a_file, $a_key="", $a_scope= 'global')
	Constructor.
	read ()
	Read a language file.
	write ($a_header= '')
	Write a language file.
	build ($a_header= '')
	Build and get the file content.
	getErrorMessage ()
	Get the error message of the last read/write operation.
	getHeader ()
	Get the header of the original file.
	getAllParams ()
	Get array of all parameters.
	getAllValues ()
	Get array of all values.
	getAllComments ()
	Get array of all comments.
	getParam ($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.
	setAllComments ($a_comments)
	Set all comments.
	setComment ($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 a singleton object.

Private Attributes
	$lang_file
	$lang_key
	$scope
	$header
	$file_start = "<!-- language file start -->"
	$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 117 of file class.ilLanguageFile.php.

References $file_start, $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;

                // initialize the header of a blank file
                $this->header = $file_start;
                
                // 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 a singleton object.

Parameters

string

language key

Returns

object language file object (with contents)

Definition at line 476 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

(

$a_header = ''

)

Build and get the file content.

Parameters

string

(optional) fixed header for the new file

Returns

string language file content

Definition at line 280 of file class.ilLanguageFile.php.

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

Referenced by write().

        {
                global $ilUser, $lng;

                if ($a_header)
                {
                // take the given header
                        $content = $a_header;
                }
                else
                {
                        // 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)
                        {
                    $tabs = ceil((20 - 3 - strlen($name)) / 4);
                                $tabs = $tabs > 0 ? $tabs : 1;

                                $tpl->setCurrentBlock('param');
                                $tpl->setVariable('PAR_NAME', $name);
                                $tpl->setVariable('PAR_SPACE', str_repeat("\t", $tabs));
                                $tpl->setVariable('PAR_VALUE', $value);
                                $tpl->parseCurrentBlock();
                        }
                        $txt_scope = $lng->txtlng('administration','language_scope_'.$this->scope, 'en');
                        $tpl->setVariable('SCOPE', $txt_scope);

                        $content = $tpl->get();
                }

                // fault tolerant check for adding newline
                $add_newline = (substr($content, strlen($content)-1, 1) != "\n");

                // build the content
                foreach ($this->values as $key => $value)
                {
                // add the newline before the line!
                        // a valid lang file should not have a newline at the end!
                        if ($add_newline)
                        {
                                $content .= "\n";
                        }
                        $add_newline = true;

                        $content .= $key . $this->separator . $value;

                        if ($this->comments[$key])
                        {
                    $content .= $this->comment_separator . $this->comments[$key];
                }
                }
                return $content;
        }

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ilLanguageFile::getAllComments

(

)

Get array of all comments.

Returns

array module.separator.identifier => comment

Definition at line 383 of file class.ilLanguageFile.php.

References $comments.

        {
                return $this->comments;
        }

ilLanguageFile::getAllParams

(

)

Get array of all parameters.

Returns

array name => value

Definition at line 365 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 374 of file class.ilLanguageFile.php.

References $values.

        {
                return $this->values;
        }

ilLanguageFile::getComment	(		$a_module,
			$a_identifier
	)

Get a single comment.

Parameters

string	module name
string	indentifier

Returns

string value

Definition at line 415 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 345 of file class.ilLanguageFile.php.

References $error_message.

        {
                return $this->error_message;
        }

ilLanguageFile::getHeader

(

)

Get the header of the original file.

Returns

string

Definition at line 355 of file class.ilLanguageFile.php.

References $header.

        {
                return $this->header;
        }

ilLanguageFile::getParam

(

$a_name

)

Get a single parameter.

Parameters

string

parameter name

Returns

string parameter value

Definition at line 393 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 404 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 156 of file class.ilLanguageFile.php.

References $lng.

        {
                global $lng;
                
                $this->header = '';
                $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)
                        {
                                // store the header line
                                $this->header .= $line . "\n";

                                // check header end
                                if (trim($line) == $this->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", $pos_par);
                                                if ($pos_space !== false and $pos_tab !== false)
                                                {
                                                        $pos_white = min($pos_space, $pos_tab);
                                                }
                                                elseif ($pos_space !== false)
                                                {
                                                        $pos_white = $pos_space;
                                                }
                                                elseif ($pos_tab !== false)
                                                {
                                $pos_white = $pos_tab;
                                                }
                                                else
                                                {
                                $pos_white = false;
                            }
                                                if ($pos_white)
                                                {
                                                        $param = substr($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::setAllComments

(

$a_comments

)

Set all comments.

Parameters

array

module.separator.identifier => comment

Definition at line 454 of file class.ilLanguageFile.php.

        {
                $this->comments = $a_comments;
        }

ilLanguageFile::setAllValues

(

$a_values

)

Set all values.

Parameters

array

module.separator.identifier => value

Definition at line 445 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 466 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 425 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 436 of file class.ilLanguageFile.php.

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

ilLanguageFile::write

(

$a_header = ''

)

Write a language file.

Parameters

string

(optional) fixed header for the new file

Definition at line 267 of file class.ilLanguageFile.php.

References build().

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

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Field Documentation

ilLanguageFile::$comment_separator

private

Definition at line 85 of file class.ilLanguageFile.php.

ilLanguageFile::$comments = array()

private

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

Referenced by getAllComments().

ilLanguageFile::$error_message = ""

private

Definition at line 109 of file class.ilLanguageFile.php.

Referenced by getErrorMessage().

ilLanguageFile::$file_start = "<!-- language file start -->"

private

Definition at line 72 of file class.ilLanguageFile.php.

Referenced by __construct().

ilLanguageFile::$global_file_objects = array()

staticprivate

Created global file objects.

array

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

ilLanguageFile::$header

private

Definition at line 66 of file class.ilLanguageFile.php.

Referenced by getHeader().

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 91 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 79 of file class.ilLanguageFile.php.

ilLanguageFile::$values = array()

private

Definition at line 97 of file class.ilLanguageFile.php.

Referenced by getAllValues().

---

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

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