*/
require_once('prolog_tag.php');
class AttributeOptions extends PrologTag {
var $name = 'options';
var $allowedOptions = array('debug', 'files', 'source');
var $authorizedOption = null;
/**
* Constructor
*/
function AttributeOptions()
{
$this->setAttributePattern($this->name);
}
/**
* Reads the option from the options attribute
* @param string $optionsValue the value from attribute options
* @return array $options array with options
*/
function getOptions($optionsValue)
{
$options = array();
$exValues = explode(',', $optionsValue);
foreach($exValues as $option)
{
$option = trim($option);
if(!empty($option))
array_push($options, $option);
}
return $options;
}
/**
* Checks the option permission to be operate
* @param string $option
* @return bool
*/
function isAuthorizedOption($option)
{
if($this->authorizedOption == $option)
return true;
else
return false;
}
/**
* Gives permission to the option to be operate
* @param string $option
*/
function authorizeOption($option)
{
if($this->isAllowedOption($option))
$this->authorizedOption = $option;
else
$this->authorizedOption = null;
}
/**
* Checks if a particular option is allowed
* @param string $option
* @return bool
*/
function isAllowedOption($option)
{
if(in_array($option, $this->allowedOptions))
return true;
else
return false;
}
/**
* Handles the "files" option
* @param array $files files paths list
* @return string $filesList formatted files list to display
*/
function handleOptionFiles($files = array())
{
if(!$this->isAuthorizedOption('files'))
return;
$filesList = 'Prolog plug-in - option files
Included files:
';
if(count($files))
foreach($files as $file)
$filesList .= $file.'
';
$filesList .= wikiFN(getID()).'
';
$filesList .= '
';
return $filesList;
}
/**
* Handles the "source" option
* @param string $sourceCode prolog source code
* @return string $source formatted prolog source code to display
*/
function handleOptionSource($sourceCode = null)
{
if(!$this->isAuthorizedOption('source'))
return;
$source = 'Prolog plug-in - option source
Source code:
';
$source .= $sourceCode;
$source .= '
';
return $source;
}
/**
* Handles the "debug" option
* @param string $errors output from errors pipe from prolog interpreter
* @return string $debug formatted prolog errors pipe content to display
*/
function handleOptionDebug($errors = null)
{
if(!$this->isAuthorizedOption('debug'))
return;
$debug = 'Prolog plug-in - option debug
Compilation results:
';
$debug .= $errors;
$debug .= '
';
return $debug;
}
}
?>