251 lines
7.9 KiB
PHP

<?php
/**
* This file is part of the Tracy (https://tracy.nette.org)
* Copyright (c) 2004 David Grudl (https://davidgrudl.com)
*/
declare(strict_types=1);
namespace Tracy;
use Ds;
use Tracy\Dumper\Describer;
use Tracy\Dumper\Exposer;
use Tracy\Dumper\Renderer;
/**
* Dumps a variable.
*/
class Dumper
{
public const
DEPTH = 'depth', // how many nested levels of array/object properties display (defaults to 7)
TRUNCATE = 'truncate', // how truncate long strings? (defaults to 150)
ITEMS = 'items', // how many items in array/object display? (defaults to 100)
COLLAPSE = 'collapse', // collapse top array/object or how big are collapsed? (defaults to 14)
COLLAPSE_COUNT = 'collapsecount', // how big array/object are collapsed in non-lazy mode? (defaults to 7)
LOCATION = 'location', // show location string? (defaults to 0)
OBJECT_EXPORTERS = 'exporters', // custom exporters for objects (defaults to Dumper::$objectexporters)
LAZY = 'lazy', // lazy-loading via JavaScript? true=full, false=none, null=collapsed parts (defaults to null/false)
LIVE = 'live', // use static $liveSnapshot (used by Bar)
SNAPSHOT = 'snapshot', // array used for shared snapshot for lazy-loading via JavaScript
DEBUGINFO = 'debuginfo', // use magic method __debugInfo if exists (defaults to false)
KEYS_TO_HIDE = 'keystohide', // sensitive keys not displayed (defaults to [])
SCRUBBER = 'scrubber', // detects sensitive keys not to be displayed
THEME = 'theme', // color theme (defaults to light)
HASH = 'hash'; // show object and reference hashes (defaults to true)
public const
LOCATION_CLASS = 0b0001, // shows where classes are defined
LOCATION_SOURCE = 0b0011, // additionally shows where dump was called
LOCATION_LINK = self::LOCATION_SOURCE; // deprecated
public const HIDDEN_VALUE = Describer::HiddenValue;
/** @var Dumper\Value[] */
public static $liveSnapshot = [];
/** @var array */
public static $terminalColors = [
'bool' => '1;33',
'null' => '1;33',
'number' => '1;32',
'string' => '1;36',
'array' => '1;31',
'public' => '1;37',
'protected' => '1;37',
'private' => '1;37',
'dynamic' => '1;37',
'virtual' => '1;37',
'object' => '1;31',
'resource' => '1;37',
'indent' => '1;30',
];
/** @var array */
public static $resources = [
'stream' => 'stream_get_meta_data',
'stream-context' => 'stream_context_get_options',
'curl' => 'curl_getinfo',
];
/** @var array */
public static $objectExporters = [
\Closure::class => [Exposer::class, 'exposeClosure'],
\UnitEnum::class => [Exposer::class, 'exposeEnum'],
\ArrayObject::class => [Exposer::class, 'exposeArrayObject'],
\SplFileInfo::class => [Exposer::class, 'exposeSplFileInfo'],
\SplObjectStorage::class => [Exposer::class, 'exposeSplObjectStorage'],
\__PHP_Incomplete_Class::class => [Exposer::class, 'exposePhpIncompleteClass'],
\Generator::class => [Exposer::class, 'exposeGenerator'],
\Fiber::class => [Exposer::class, 'exposeFiber'],
\DOMNode::class => [Exposer::class, 'exposeDOMNode'],
\DOMNodeList::class => [Exposer::class, 'exposeDOMNodeList'],
\DOMNamedNodeMap::class => [Exposer::class, 'exposeDOMNodeList'],
Ds\Collection::class => [Exposer::class, 'exposeDsCollection'],
Ds\Map::class => [Exposer::class, 'exposeDsMap'],
];
/** @var Describer */
private $describer;
/** @var Renderer */
private $renderer;
/**
* Dumps variable to the output.
* @return mixed variable
*/
public static function dump($var, array $options = [])
{
if (Helpers::isCli()) {
$useColors = self::$terminalColors && Helpers::detectColors();
$dumper = new self($options);
fwrite(STDOUT, $dumper->asTerminal($var, $useColors ? self::$terminalColors : []));
} elseif (Helpers::isHtmlMode()) {
$options[self::LOCATION] = $options[self::LOCATION] ?? true;
self::renderAssets();
echo self::toHtml($var, $options);
} else {
echo self::toText($var, $options);
}
return $var;
}
/**
* Dumps variable to HTML.
*/
public static function toHtml($var, array $options = [], $key = null): string
{
return (new self($options))->asHtml($var, $key);
}
/**
* Dumps variable to plain text.
*/
public static function toText($var, array $options = []): string
{
return (new self($options))->asTerminal($var);
}
/**
* Dumps variable to x-terminal.
*/
public static function toTerminal($var, array $options = []): string
{
return (new self($options))->asTerminal($var, self::$terminalColors);
}
/**
* Renders <script> & <style>
*/
public static function renderAssets(): void
{
static $sent;
if (Debugger::$productionMode === true || $sent) {
return;
}
$sent = true;
$nonce = Helpers::getNonce();
$nonceAttr = $nonce ? ' nonce="' . Helpers::escapeHtml($nonce) . '"' : '';
$s = file_get_contents(__DIR__ . '/../assets/toggle.css')
. file_get_contents(__DIR__ . '/assets/dumper-light.css')
. file_get_contents(__DIR__ . '/assets/dumper-dark.css');
echo "<style{$nonceAttr}>", str_replace('</', '<\/', Helpers::minifyCss($s)), "</style>\n";
if (!Debugger::isEnabled()) {
$s = '(function(){' . file_get_contents(__DIR__ . '/../assets/toggle.js') . '})();'
. '(function(){' . file_get_contents(__DIR__ . '/../Dumper/assets/dumper.js') . '})();';
echo "<script{$nonceAttr}>", str_replace(['<!--', '</s'], ['<\!--', '<\/s'], Helpers::minifyJs($s)), "</script>\n";
}
}
private function __construct(array $options = [])
{
$location = $options[self::LOCATION] ?? 0;
$location = $location === true ? ~0 : (int) $location;
$describer = $this->describer = new Describer;
$describer->maxDepth = (int) ($options[self::DEPTH] ?? $describer->maxDepth);
$describer->maxLength = (int) ($options[self::TRUNCATE] ?? $describer->maxLength);
$describer->maxItems = (int) ($options[self::ITEMS] ?? $describer->maxItems);
$describer->debugInfo = (bool) ($options[self::DEBUGINFO] ?? $describer->debugInfo);
$describer->scrubber = $options[self::SCRUBBER] ?? $describer->scrubber;
$describer->keysToHide = array_flip(array_map('strtolower', $options[self::KEYS_TO_HIDE] ?? []));
$describer->resourceExposers = ($options['resourceExporters'] ?? []) + self::$resources;
$describer->objectExposers = ($options[self::OBJECT_EXPORTERS] ?? []) + self::$objectExporters;
$describer->location = (bool) $location;
if ($options[self::LIVE] ?? false) {
$tmp = &self::$liveSnapshot;
} elseif (isset($options[self::SNAPSHOT])) {
$tmp = &$options[self::SNAPSHOT];
}
if (isset($tmp)) {
$tmp[0] = $tmp[0] ?? [];
$tmp[1] = $tmp[1] ?? [];
$describer->snapshot = &$tmp[0];
$describer->references = &$tmp[1];
}
$renderer = $this->renderer = new Renderer;
$renderer->collapseTop = $options[self::COLLAPSE] ?? $renderer->collapseTop;
$renderer->collapseSub = $options[self::COLLAPSE_COUNT] ?? $renderer->collapseSub;
$renderer->collectingMode = isset($options[self::SNAPSHOT]) || !empty($options[self::LIVE]);
$renderer->lazy = $renderer->collectingMode
? true
: ($options[self::LAZY] ?? $renderer->lazy);
$renderer->sourceLocation = !(~$location & self::LOCATION_SOURCE);
$renderer->classLocation = !(~$location & self::LOCATION_CLASS);
$renderer->theme = $options[self::THEME] ?? $renderer->theme;
$renderer->hash = $options[self::HASH] ?? true;
}
/**
* Dumps variable to HTML.
*/
private function asHtml($var, $key = null): string
{
if ($key === null) {
$model = $this->describer->describe($var);
} else {
$model = $this->describer->describe([$key => $var]);
$model->value = $model->value[0][1];
}
return $this->renderer->renderAsHtml($model);
}
/**
* Dumps variable to x-terminal.
*/
private function asTerminal($var, array $colors = []): string
{
$model = $this->describer->describe($var);
return $this->renderer->renderAsText($model, $colors);
}
public static function formatSnapshotAttribute(array &$snapshot): string
{
$res = "'" . Renderer::jsonEncode($snapshot[0] ?? []) . "'";
$snapshot = [];
return $res;
}
}