mirror of
https://github.com/silverstripe/silverstripe-framework
synced 2024-10-22 14:05:37 +02:00
347 lines
11 KiB
PHP
347 lines
11 KiB
PHP
<?php
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/**
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* Allows human reading of a test in a format suitable for agile documentation
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*
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* @package sapphire
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* @subpackage tools
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*/
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class CodeViewer extends Controller {
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public static $url_handlers = array(
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'' => 'browse',
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'$Class' => 'viewClass'
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);
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static $allowed_actions = array(
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'index',
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'browse',
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'viewClass'
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);
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/**
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* Define a simple finite state machine.
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* Top keys are the state names. 'start' is the first state, and 'die' is the error state.
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* Inner keys are token names/codes. The values are either a string, new state, or an array(new state, handler method).
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* The handler method will be passed the PHP token as an argument, and is expected to populate a property of the object.
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*/
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static $fsm = array(
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'start' => array(
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T_CLASS => array('className','createClass'),
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T_DOC_COMMENT => array('', 'saveClassComment'),
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),
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'className' => array(
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T_STRING => array('classSpec', 'setClassName'),
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),
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'classSpec' => array(
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'{' => 'classBody',
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),
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'classBody' => array(
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T_FUNCTION => array('methodName','createMethod'),
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'}' => array('start', 'completeClass'),
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T_DOC_COMMENT => array('', 'saveMethodComment'),
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),
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'methodName' => array(
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T_STRING => array('methodSpec', 'setMethodName'),
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),
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'methodSpec' => array(
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'{' => 'methodBody',
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),
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'methodBody' => array(
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'{' => array('!push','appendMethodContent'),
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'}' => array(
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'hasstack' => array('!pop', 'appendMethodContent'),
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'nostack' => array('classBody', 'completeMethod'),
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),
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T_VARIABLE => array('variable', 'potentialMethodCall'),
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T_COMMENT => array('', 'appendMethodComment'),
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T_DOC_COMMENT => array('', 'appendMethodComment'),
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'*' => array('', 'appendMethodContent'),
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),
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'variable' => array(
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T_OBJECT_OPERATOR => array('variableArrow', 'potentialMethodCall'),
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'*' => array('methodBody', 'appendMethodContent'),
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),
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'variableArrow' => array(
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T_STRING => array('methodOrProperty', 'potentialMethodCall'),
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T_WHITESPACE => array('', 'potentialMethodCall'),
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'*' => array('methodBody', 'appendMethodContent'),
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),
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'methodOrProperty' => array(
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'(' => array('methodCall', 'potentialMethodCall'),
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T_WHITESPACE => array('', 'potentialMethodCall'),
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'*' => array('methodBody', 'appendMethodContent'),
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),
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'methodCall' => array(
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'(' => array('!push/nestedInMethodCall', 'potentialMethodCall'),
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')' => array('methodBody', 'completeMethodCall'),
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'*' => array('', 'potentialMethodCall'),
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),
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'nestedInMethodCall' => array(
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'(' => array('!push', 'potentialMethodCall'),
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')' => array('!pop', 'potentialMethodCall'),
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'*' => array('', 'potentialMethodCall'),
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),
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);
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function init() {
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parent::init();
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if(!Permission::check('ADMIN')) return Security::permissionFailure();
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ManifestBuilder::load_test_manifest();
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}
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public function browse() {
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$classes = ClassInfo::subclassesFor('SapphireTest');
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array_shift($classes);
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ksort($classes);
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$result ='<h1>View any of the following test classes</h1>';
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$result .='<ul>';
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foreach($classes as $class) {
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$result .="<li><a href=\"{$this->Link($class)}\">$class</a></li>";
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}
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$result .='</ul>';
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$result .='<h1>View any of the following other classes</h1>';
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$classes = array_keys(ClassInfo::allClasses());
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sort($classes);
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$result .='<ul>';
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foreach($classes as $class) {
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$result .="<li><a href=\"{$this->Link($class)}\">$class</a></li>";
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}
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$result .='</ul>';
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return $this->customise(array (
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'Content' => $result
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))->renderWith('CodeViewer');
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}
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public function viewClass(SS_HTTPRequest $request) {
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$class = $request->param('Class');
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if(!class_exists($class)) {
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throw new Exception('CodeViewer->viewClass(): not passed a valid class to view (does the class exist?)');
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}
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return $this->customise(array (
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'Content' => $this->testAnalysis(getClassFile($class))
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))->renderWith('CodeViewer');
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}
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public function Link($action = null) {
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return Controller::join_links(Director::absoluteBaseURL(), 'dev/viewcode/', $action);
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}
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protected $classComment, $methodComment;
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function saveClassComment($token) {
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$this->classComment = $this->parseComment($token);
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}
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function saveMethodComment($token) {
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$this->methodComment = $this->parseComment($token);
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}
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function createClass($token) {
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$this->currentClass = array(
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"description" => $this->classComment['pretty'],
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"heading" => isset($this->classComment['heading']) ? $this->classComment['heading'] : null,
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);
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$ths->classComment = null;
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}
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function setClassName($token) {
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$this->currentClass['name'] = $token[1];
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if(!$this->currentClass['heading']) $this->currentClass['heading'] = $token[1];
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}
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function completeClass($token) {
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$this->classes[] = $this->currentClass;
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}
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function createMethod($token) {
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$this->currentMethod = array();
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$this->currentMethod['content'] = "<pre>";
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$this->currentMethod['description'] = $this->methodComment['pretty'];
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$this->currentMethod['heading'] = isset($this->methodComment['heading']) ? $this->methodComment['heading'] : null;
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$this->methodComment = null;
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}
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function setMethodName($token) {
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$this->currentMethod['name'] = $token[1];
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if(!$this->currentMethod['heading']) $this->currentMethod['heading'] = $token[1];
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}
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function appendMethodComment($token) {
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if(substr($token[1],0,2) == '/*') {
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$this->closeOffMethodContentPre();
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$this->currentMethod['content'] .= $this->prettyComment($token) . "<pre>";
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} else {
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$this->currentMethod['content'] .= $this->renderToken($token);
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}
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}
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function prettyComment($token) {
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$comment = preg_replace('/^\/\*/','',$token[1]);
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$comment = preg_replace('/\*\/$/','',$comment);
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$comment = preg_replace('/(^|\n)[\t ]*\* */m',"\n",$comment);
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$comment = htmlentities($comment);
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$comment = str_replace("\n\n", "</p><p>", $comment);
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return "<p>$comment</p>";
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}
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function parseComment($token) {
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$parsed = array();
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$comment = preg_replace('/^\/\*/','',$token[1]);
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$comment = preg_replace('/\*\/$/','',$comment);
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$comment = preg_replace('/(^|\n)[\t ]*\* */m',"\n",$comment);
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foreach(array('heading','nav') as $var) {
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if(preg_match('/@' . $var . '\s+([^\n]+)\n/', $comment, $matches)) {
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$parsed[$var] = $matches[1];
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$comment = preg_replace('/@' . $var . '\s+([^\n]+)\n/','', $comment);
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}
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}
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$parsed['pretty'] = "<p>" . str_replace("\n\n", "</p><p>", htmlentities($comment)). "</p>";
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return $parsed;
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}
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protected $isNewLine = true;
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function appendMethodContent($token) {
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if($this->potentialMethodCall) {
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$this->currentMethod['content'] .= $this->potentialMethodCall;
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$this->potentialMethodCall = "";
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}
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//if($this->isNewLine && isset($token[2])) $this->currentMethod['content'] .= $token[2] . ": ";
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$this->isNewLine = false;
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$this->currentMethod['content'] .= $this->renderToken($token);
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}
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function completeMethod($token) {
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$this->closeOffMethodContentPre();
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$this->currentMethod['content'] = str_replace("\n\t\t","\n",$this->currentMethod['content']);
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$this->currentClass['methods'][] = $this->currentMethod;
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}
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protected $potentialMethodCall = "";
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function potentialMethodCall($token) {
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$this->potentialMethodCall .= $this->renderToken($token);
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}
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function completeMethodCall($token) {
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$this->potentialMethodCall .= $this->renderToken($token);
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if(strpos($this->potentialMethodCall, '-></span><span class="T_STRING">assert') !== false) {
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$this->currentMethod['content'] .= "<strong>" . $this->potentialMethodCall . "</strong>";
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} else {
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$this->currentMethod['content'] .= $this->potentialMethodCall;
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}
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$this->potentialMethodCall = "";
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}
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/**
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* Finish the "pre" block in method content.
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* Will remove whitespace and empty "pre" blocks
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*/
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function closeOffMethodContentPre() {
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$this->currentMethod['content'] = trim($this->currentMethod['content']);
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if(substr($this->currentMethod['content'],-5) == '<pre>') $this->currentMethod['content'] = substr($this->currentMethod['content'], 0,-5);
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else $this->currentMethod['content'] .= '</pre>';
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}
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/**
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* Render the given token as HTML
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*/
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function renderToken($token) {
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$tokenContent = htmlentities(is_array($token) ? $token[1] : $token);
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$tokenName = is_array($token) ? token_name($token[0]) : 'T_PUNCTUATION';
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switch($tokenName) {
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case "T_WHITESPACE":
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if(strpos($tokenContent, "\n") !== false) $this->isNewLine = true;
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return $tokenContent;
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default:
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return "<span class=\"$tokenName\">$tokenContent</span>";
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}
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}
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protected $classes = array();
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protected $currentMethod, $currentClass;
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function testAnalysis($file) {
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$content = file_get_contents($file);
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$tokens = token_get_all($content);
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// Execute a finite-state-machine with a built-in state stack
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// This FSM+stack gives us enough expressive power for simple PHP parsing
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$state = "start";
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$stateStack = array();
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//echo "<li>state $state";
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foreach($tokens as $token) {
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// Get token name - some tokens are arrays, some arent'
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if(is_array($token)) $tokenName = $token[0]; else $tokenName = $token;
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//echo "<li>token '$tokenName'";
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// Find the rule for that token in the current state
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if(isset(self::$fsm[$state][$tokenName])) $rule = self::$fsm[$state][$tokenName];
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else if(isset(self::$fsm[$state]['*'])) $rule = self::$fsm[$state]['*'];
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else $rule = null;
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// Check to see if we have specified multiple rules depending on whether the stack is populated
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if(is_array($rule) && array_keys($rule) == array('hasstack', 'nostack')) {
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if($stateStack) $rule = $rule['hasstack'];
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else $rule = $rule = $rule['nostack'];
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}
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if(is_array($rule)) {
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list($destState, $methodName) = $rule;
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$this->$methodName($token);
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} else if($rule) {
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$destState = $rule;
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} else {
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$destState = null;
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}
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//echo "<li>->state $destState";
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if(preg_match('/!(push|pop)(\/[a-zA-Z0-9]+)?/', $destState, $parts)) {
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$action = $parts[1];
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$argument = isset($parts[2]) ? substr($parts[2],1) : null;
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$destState = null;
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switch($action) {
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case "push":
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$stateStack[] = $state;
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if($argument) $destState = $argument;
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break;
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case "pop":
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if($stateStack) $destState = array_pop($stateStack);
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else if($argument) $destState = $argument;
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else user_error("State transition '!pop' was attempted with an empty state-stack and no default option specified.", E_USER_ERROR);
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}
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}
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if($destState) $state = $destState;
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if(!isset(self::$fsm[$state])) user_error("Transition to unrecognised state '$state'", E_USER_ERROR);
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}
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$subclasses = ClassInfo::subclassesFor('SapphireTest');
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foreach($this->classes as $classDef) {
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if(true ||in_array($classDef['name'], $subclasses)) {
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echo "<h1>$classDef[heading]</h1>";
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echo "<div style=\"font-weight: bold\">$classDef[description]</div>";
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if(isset($classDef['methods'])) foreach($classDef['methods'] as $method) {
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if(true || substr($method['name'],0,4) == 'test') {
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//$title = ucfirst(strtolower(preg_replace('/([a-z])([A-Z])/', '$1 $2', substr($method['name'], 4))));
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$title = $method['heading'];
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echo "<h2>$title</h2>";
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echo "<div style=\"font-weight: bold\">$method[description]</div>";
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echo $method['content'];
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}
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}
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}
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}
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}
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} |