mirror of
https://github.com/silverstripe/silverstripe-framework
synced 2024-08-28 21:46:10 +02:00
229 lines
5.5 KiB
PHP
229 lines
5.5 KiB
PHP
<?php
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/**
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* @package framework
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* @subpackage dev
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*/
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/**
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* A basic HTML wrapper for stylish rendering of a developement info view.
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* Used to output error messages, and test results.
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*
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* @package framework
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* @subpackage dev
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*/
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class DebugView extends Object {
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/**
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* Column size to wrap long strings to
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*
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* @var int
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* @config
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*/
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private static $columns = 100;
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protected static $error_types = array(
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E_USER_ERROR => array(
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'title' => 'User Error',
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'class' => 'error'
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),
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E_CORE_ERROR => array(
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'title' => 'Core Error',
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'class' => 'error'
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),
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E_NOTICE => array(
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'title' => 'Notice',
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'class' => 'notice'
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),
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E_USER_NOTICE => array(
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'title' => 'User Notice',
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'class' => 'notice'
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),
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E_DEPRECATED => array(
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'title' => 'Deprecated',
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'class' => 'notice'
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),
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E_USER_DEPRECATED => array(
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'title' => 'User Deprecated',
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'class' => 'notice'
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),
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E_CORE_ERROR => array(
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'title' => 'Core Error',
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'class' => 'error'
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),
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E_WARNING => array(
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'title' => 'Warning',
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'class' => 'warning'
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),
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E_CORE_WARNING => array(
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'title' => 'Core Warning',
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'class' => 'warning'
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),
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E_USER_WARNING => array(
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'title' => 'User Warning',
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'class' => 'warning'
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),
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E_STRICT => array(
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'title' => 'Strict Notice',
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'class' => 'notice'
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),
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E_RECOVERABLE_ERROR => array(
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'title' => 'Recoverable Error',
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'class' => 'warning'
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)
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);
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protected static $unknown_error = array(
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'title' => 'Unknown Error',
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'class' => 'error'
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);
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/**
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* Generate breadcrumb links to the URL path being displayed
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*
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* @return string
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*/
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public function Breadcrumbs() {
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$basePath = str_replace(Director::protocolAndHost(), '', Director::absoluteBaseURL());
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$relPath = parse_url(substr($_SERVER['REQUEST_URI'], strlen($basePath), strlen($_SERVER['REQUEST_URI'])),
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PHP_URL_PATH);
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$parts = explode('/', $relPath);
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$base = Director::absoluteBaseURL();
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$pathPart = "";
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$pathLinks = array();
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foreach($parts as $part) {
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if ($part != '') {
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$pathPart .= "$part/";
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$pathLinks[] = "<a href=\"$base$pathPart\">$part</a>";
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}
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}
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return implode(' → ', $pathLinks);
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}
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/**
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* Render HTML header for development views
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*/
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public function writeHeader() {
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$url = htmlentities(
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$_SERVER['REQUEST_METHOD'] . ' ' . $_SERVER['REQUEST_URI'],
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ENT_COMPAT,
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'UTF-8'
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);
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$debugCSS = Controller::join_links(
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Director::absoluteBaseURL(),
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FRAMEWORK_DIR,
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'css/debug.css'
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);
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echo '<!DOCTYPE html><html><head><title>' . $url . '</title>';
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echo '<link rel="stylesheet" type="text/css" href="'. $debugCSS .'" />';
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echo '</head>';
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echo '<body>';
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}
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/**
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* Render the information header for the view
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*
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* @param string $title
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* @param string $title
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*/
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public function writeInfo($title, $subtitle, $description=false) {
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echo '<div class="info">';
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echo "<h1>" . Convert::raw2xml($title) . "</h1>";
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if($subtitle) echo "<h3>" . Convert::raw2xml($subtitle) . "</h3>";
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if ($description) {
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echo "<p>$description</p>";
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} else {
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echo $this->Breadcrumbs();
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}
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echo '</div>';
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}
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/**
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* Render HTML footer for development views
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*/
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public function writeFooter() {
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echo "</body></html>";
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}
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/**
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* Write information about the error to the screen
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*/
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public function writeError($httpRequest, $errno, $errstr, $errfile, $errline, $errcontext) {
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$errorType = isset(self::$error_types[$errno]) ? self::$error_types[$errno] : self::$unknown_error;
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$httpRequestEnt = htmlentities($httpRequest, ENT_COMPAT, 'UTF-8');
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if (ini_get('html_errors')) {
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$errstr = strip_tags($errstr);
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} else {
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$errstr = Convert::raw2xml($errstr);
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}
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echo '<div class="info ' . $errorType['class'] . '">';
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echo "<h1>[" . $errorType['title'] . '] ' . $errstr . "</h1>";
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echo "<h3>$httpRequestEnt</h3>";
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echo "<p>Line <strong>$errline</strong> in <strong>$errfile</strong></p>";
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echo '</div>';
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}
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/**
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* Write a fragment of the a source file
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* @param $lines An array of file lines; the keys should be the original line numbers
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*/
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public function writeSourceFragment($lines, $errline) {
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echo '<div class="trace"><h3>Source</h3>';
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echo '<pre>';
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foreach($lines as $offset => $line) {
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$line = htmlentities($line, ENT_COMPAT, 'UTF-8');
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if ($offset == $errline) {
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echo "<span>$offset</span> <span class=\"error\">$line</span>";
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} else {
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echo "<span>$offset</span> $line";
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}
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}
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echo '</pre>';
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}
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/**
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* Write a backtrace
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*/
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public function writeTrace($trace) {
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echo '<h3>Trace</h3>';
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echo SS_Backtrace::get_rendered_backtrace($trace);
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echo '</div>';
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}
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/**
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* @param string $text
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*/
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public function writeParagraph($text) {
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echo '<p class="info">' . $text . '</p>';
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}
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/**
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* Formats the caller of a method
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*
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* @param array $caller
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* @return string
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*/
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protected function formatCaller($caller) {
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$return = basename($caller['file']) . ":" . $caller['line'];
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if(!empty($caller['class']) && !empty($caller['function'])) {
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$return .= " - {$caller['class']}::{$caller['function']}()";
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}
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return $return;
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}
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/**
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* Outputs a variable in a user presentable way
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*
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* @param object $val
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* @param array $caller Caller information
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*/
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public function writeVariable($val, $caller) {
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echo '<pre style="background-color:#ccc;padding:5px;font-size:14px;line-height:18px;">';
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echo "<span style=\"font-size: 12px;color:#666;\">" . $this->formatCaller($caller). " - </span>\n";
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if (is_string($val)) print_r(wordwrap($val, self::config()->columns));
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else print_r($val);
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echo '</pre>';
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}
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}
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