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<?php

declare(strict_types=1);

/*
 * The MIT License (MIT)
 *
 * Copyright (c) 2013 Jonathan Vollebregt (jnvsor@gmail.com), Rokas Šleinius (raveren@gmail.com)
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy of
 * this software and associated documentation files (the "Software"), to deal in
 * the Software without restriction, including without limitation the rights to
 * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
 * the Software, and to permit persons to whom the Software is furnished to do so,
 * subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
 * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
 * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
 * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */

namespace Kint\Renderer;

use Kint\Kint;
use Kint\Renderer\Rich\PluginInterface;
use Kint\Renderer\Rich\TabPluginInterface;
use Kint\Renderer\Rich\ValuePluginInterface;
use Kint\Utils;
use Kint\Zval\BlobValue;
use Kint\Zval\InstanceValue;
use Kint\Zval\Representation\Representation;
use Kint\Zval\Value;

/**
 * @psalm-import-type Encoding from BlobValue
 * @psalm-import-type PluginMap from AbstractRenderer
 */
class RichRenderer extends AbstractRenderer
{
    /**
     * RichRenderer value plugins should implement ValuePluginInterface.
     *
     * @psalm-var PluginMap
     */
    public static $value_plugins = [
        'array_limit' => Rich\ArrayLimitPlugin::class,
        'blacklist' => Rich\BlacklistPlugin::class,
        'callable' => Rich\CallablePlugin::class,
        'color' => Rich\ColorPlugin::class,
        'depth_limit' => Rich\DepthLimitPlugin::class,
        'recursion' => Rich\RecursionPlugin::class,
        'simplexml_element' => Rich\SimpleXMLElementPlugin::class,
        'trace_frame' => Rich\TraceFramePlugin::class,
    ];

/**
     * RichRenderer tab plugins should implement TabPluginInterface.
     *
     * @psalm-var PluginMap
     */
    public static $tab_plugins = [
        'binary' => Rich\BinaryPlugin::class,
        'color' => Rich\ColorPlugin::class,
        'method_definition' => Rich\MethodDefinitionPlugin::class,
        'microtime' => Rich\MicrotimePlugin::class,
        'source' => Rich\SourcePlugin::class,
        'table' => Rich\TablePlugin::class,
        'timestamp' => Rich\TimestampPlugin::class,
    ];

public static $pre_render_sources = [
        'script' => [
            [self::class, 'renderJs'],
            [Rich\MicrotimePlugin::class, 'renderJs'],
        ],
        'style' => [
            [self::class, 'renderCss'],
        ],
        'raw' => [],
    ];

/**
     * Whether or not to render access paths.
     *
     * Access paths can become incredibly heavy with very deep and wide
     * structures. Given mostly public variables it will typically make
     * up one quarter of the output HTML size.
     *
     * If this is an unacceptably large amount and your browser is groaning
     * under the weight of the access paths - your first order of buisiness
     * should be to get a new browser. Failing that, use this to turn them off.
     *
     * @var bool
     */
    public static $access_paths = true;

/**
     * The maximum length of a string before it is truncated.
     *
     * Falsey to disable
     *
     * @var int
     */
    public static $strlen_max = 80;

/**
     * Path to the CSS file to load by default.
     *
     * @var string
     */
    public static $theme = 'original.css';

/**
     * Assume types and sizes don't need to be escaped.
     *
     * Turn this off if you use anything but ascii in your class names,
     * but it'll cause a slowdown of around 10%
     *
     * @var bool
     */
    public static $escape_types = false;

/**
     * Move all dumps to a folder at the bottom of the body.
     *
     * @var bool
     */
    public static $folder = false;

/**
     * Sort mode for object properties.
     *
     * @var int
     */
    public static $sort = self::SORT_NONE;

public static $needs_pre_render = true;
    public static $needs_folder_render = true;

public static $always_pre_render = false;

public static $js_nonce = null;
    public static $css_nonce = null;

protected $plugin_objs = [];
    protected $expand = false;
    protected $force_pre_render = false;
    protected $use_folder = false;

public function __construct()
    {
        $this->setUseFolder(self::$folder);
        $this->setForcePreRender(self::$always_pre_render);
    }

public function setCallInfo(array $info): void
    {
        parent::setCallInfo($info);

if (\in_array('!', $this->call_info['modifiers'], true)) {
            $this->setExpand(true);
            $this->setUseFolder(false);
        }

if (\in_array('@', $this->call_info['modifiers'], true)) {
            $this->setForcePreRender(true);
        }
    }

public function setStatics(array $statics): void
    {
        parent::setStatics($statics);

if (!empty($statics['expanded'])) {
            $this->setExpand(true);
        }

if (!empty($statics['return'])) {
            $this->setForcePreRender(true);
        }
    }

public function setExpand(bool $expand): void
    {
        $this->expand = $expand;
    }

public function getExpand(): bool
    {
        return $this->expand;
    }

public function setForcePreRender(bool $force_pre_render): void
    {
        $this->force_pre_render = $force_pre_render;
    }

public function getForcePreRender(): bool
    {
        return $this->force_pre_render;
    }

public function setUseFolder(bool $use_folder): void
    {
        $this->use_folder = $use_folder;
    }

public function getUseFolder(): bool
    {
        return $this->use_folder;
    }

public function shouldPreRender(): bool
    {
        return $this->getForcePreRender() || self::$needs_pre_render;
    }

public function shouldFolderRender(): bool
    {
        return $this->getUseFolder() && ($this->getForcePreRender() || self::$needs_folder_render);
    }

public function render(Value $o): string
    {
        if (($plugin = $this->getPlugin(self::$value_plugins, $o->hints)) && $plugin instanceof ValuePluginInterface) {
            $output = $plugin->renderValue($o);
            if (null !== $output && \strlen($output)) {
                return $output;
            }
        }

$children = $this->renderChildren($o);
        $header = $this->renderHeaderWrapper($o, (bool) \strlen($children), $this->renderHeader($o));

return '<dl>'.$header.$children.'</dl>';
    }

public function renderNothing(): string
    {
        return '<dl><dt><var>No argument</var></dt></dl>';
    }

public function renderHeaderWrapper(Value $o, bool $has_children, string $contents): string
    {
        $out = '<dt';

if ($has_children) {
            $out .= ' class="kint-parent';

if ($this->getExpand()) {
                $out .= ' kint-show';
            }

$out .= '"';
        }

$out .= '>';

if (self::$access_paths && $o->depth > 0 && ($ap = $o->getAccessPath())) {
            $out .= '<span class="kint-access-path-trigger" title="Show access path">⇄</span>';
        }

if ($has_children) {
            $out .= '<span class="kint-popup-trigger" title="Open in new window">⧉</span>';

if (0 === $o->depth) {
                $out .= '<span class="kint-search-trigger" title="Show search box">⌕</span>';
                $out .= '<input type="text" class="kint-search" value="">';
            }

$out .= '<nav></nav>';
        }

$out .= $contents;

if (!empty($ap)) {
            $out .= '<div class="access-path">'.$this->escape($ap).'</div>';
        }

return $out.'</dt>';
    }

public function renderHeader(Value $o): string
    {
        $output = '';

if (null !== ($s = $o->getModifiers())) {
            $output .= '<var>'.$s.'</var> ';
        }

if (null !== ($s = $o->getName())) {
            $output .= '<dfn>'.$this->escape($s).'</dfn> ';

if ($s = $o->getOperator()) {
                $output .= $this->escape($s, 'ASCII').' ';
            }
        }

if (null !== ($s = $o->getType())) {
            if (self::$escape_types) {
                $s = $this->escape($s);
            }

if ($o->reference) {
                $s = '&'.$s;
            }

$output .= '<var>'.$s.'</var>';

if ($o instanceof InstanceValue && isset($o->spl_object_id)) {
                $output .= '#'.((int) $o->spl_object_id);
            }

$output .= ' ';
        }

if (null !== ($s = $o->getSize())) {
            if (self::$escape_types) {
                $s = $this->escape($s);
            }
            $output .= '('.$s.') ';
        }

if (null !== ($s = $o->getValueShort())) {
            $s = \preg_replace('/\\s+/', ' ', $s);

if (self::$strlen_max) {
                $s = Utils::truncateString($s, self::$strlen_max);
            }

$output .= $this->escape($s);
        }

return \trim($output);
    }

public function renderChildren(Value $o): string
    {
        $contents = [];
        $tabs = [];

foreach ($o->getRepresentations() as $rep) {
            $result = $this->renderTab($o, $rep);
            if (\strlen($result)) {
                $contents[] = $result;
                $tabs[] = $rep;
            }
        }

if (empty($tabs)) {
            return '';
        }

$output = '<dd>';

if (1 === \count($tabs) && $tabs[0]->labelIsImplicit()) {
            $output .= \reset($contents);
        } else {
            $output .= '<ul class="kint-tabs">';

foreach ($tabs as $i => $tab) {
                if (0 === $i) {
                    $output .= '<li class="kint-active-tab">';
                } else {
                    $output .= '<li>';
                }

$output .= $this->escape($tab->getLabel()).'</li>';
            }

$output .= '</ul><ul class="kint-tab-contents">';

foreach ($contents as $i => $tab) {
                if (0 === $i) {
                    $output .= '<li class="kint-show">';
                } else {
                    $output .= '<li>';
                }

$output .= $tab.'</li>';
            }

$output .= '</ul>';
        }

return $output.'</dd>';
    }

public function preRender(): string
    {
        $output = '';

if ($this->shouldPreRender()) {
            foreach (self::$pre_render_sources as $type => $values) {
                $contents = '';
                foreach ($values as $v) {
                    $contents .= \call_user_func($v, $this);
                }

if (!\strlen($contents)) {
                    continue;
                }

switch ($type) {
                    case 'script':
                        $output .= '<script class="kint-rich-script"';
                        if (null !== self::$js_nonce) {
                            $output .= ' nonce="'.\htmlspecialchars(self::$js_nonce).'"';
                        }
                        $output .= '>'.$contents.'</script>';
                        break;
                    case 'style':
                        $output .= '<style class="kint-rich-style"';
                        if (null !== self::$css_nonce) {
                            $output .= ' nonce="'.\htmlspecialchars(self::$css_nonce).'"';
                        }
                        $output .= '>'.$contents.'</style>';
                        break;
                    default:
                        $output .= $contents;
                }
            }

// Don't pre-render on every dump
            if (!$this->getForcePreRender()) {
                self::$needs_pre_render = false;
            }
        }

if ($this->shouldFolderRender()) {
            $output .= $this->renderFolder();

if (!$this->getForcePreRender()) {
                self::$needs_folder_render = false;
            }
        }

$output .= '<div class="kint-rich';

if ($this->getUseFolder()) {
            $output .= ' kint-file';
        }

$output .= '">';

return $output;
    }

public function postRender(): string
    {
        if (!$this->show_trace) {
            return '</div>';
        }

$output = '<footer>';
        $output .= '<span class="kint-popup-trigger" title="Open in new window">⧉</span> ';

if (!empty($this->call_info['trace']) && \count($this->call_info['trace']) > 1) {
            $output .= '<nav></nav>';
        }

if (isset($this->call_info['callee']['file'])) {
            $output .= 'Called from '.$this->ideLink(
                $this->call_info['callee']['file'],
                $this->call_info['callee']['line']
            );
        }

if (
            isset($this->call_info['callee']['function']) &&
            (
                !empty($this->call_info['callee']['class']) ||
                !\in_array(
                    $this->call_info['callee']['function'],
                    ['include', 'include_once', 'require', 'require_once'],
                    true
                )
            )
        ) {
            $output .= ' [';
            $output .= $this->call_info['callee']['class'] ?? '';
            $output .= $this->call_info['callee']['type'] ?? '';
            $output .= $this->call_info['callee']['function'].'()]';
        }

if (!empty($this->call_info['trace']) && \count($this->call_info['trace']) > 1) {
            $output .= '<ol>';
            foreach ($this->call_info['trace'] as $index => $step) {
                if (!$index) {
                    continue;
                }

$output .= '<li>'.$this->ideLink($step['file'], $step['line']); // closing tag not required
                if (isset($step['function'])
                    && !\in_array($step['function'], ['include', 'include_once', 'require', 'require_once'], true)
                ) {
                    $output .= ' [';
                    $output .= $step['class'] ?? '';
                    $output .= $step['type'] ?? '';
                    $output .= $step['function'].'()]';
                }
            }
            $output .= '</ol>';
        }

$output .= '</footer></div>';

return $output;
    }

/**
     * @psalm-param Encoding $encoding
     *
     * @param mixed $encoding
     */
    public function escape(string $string, $encoding = false): string
    {
        if (false === $encoding) {
            $encoding = BlobValue::detectEncoding($string);
        }

$original_encoding = $encoding;

if (false === $encoding || 'ASCII' === $encoding) {
            $encoding = 'UTF-8';
        }

$string = \htmlspecialchars($string, ENT_NOQUOTES, $encoding);

// this call converts all non-ASCII characters into numeirc htmlentities
        if (\function_exists('mb_encode_numericentity') && 'ASCII' !== $original_encoding) {
            $string = \mb_encode_numericentity($string, [0x80, 0xFFFF, 0, 0xFFFF], $encoding);
        }

return $string;
    }

public function ideLink(string $file, int $line): string
    {
        $path = $this->escape(Kint::shortenPath($file)).':'.$line;
        $ideLink = Kint::getIdeLink($file, $line);

if (!$ideLink) {
            return $path;
        }

$class = '';

if (\preg_match('/https?:\\/\\//i', $ideLink)) {
            $class = 'class="kint-ide-link" ';
        }

return '<a '.$class.'href="'.$this->escape($ideLink).'">'.$path.'</a>';
    }

protected function renderTab(Value $o, Representation $rep): string
    {
        if (($plugin = $this->getPlugin(self::$tab_plugins, $rep->hints)) && $plugin instanceof TabPluginInterface) {
            $output = $plugin->renderTab($rep);
            if (null !== $output && \strlen($output)) {
                return $output;
            }
        }

if (\is_array($rep->contents)) {
            $output = '';

if ($o instanceof InstanceValue && 'properties' === $rep->getName()) {
                foreach (self::sortProperties($rep->contents, self::$sort) as $obj) {
                    $output .= $this->render($obj);
                }
            } else {
                foreach ($rep->contents as $obj) {
                    $output .= $this->render($obj);
                }
            }

return $output;
        }

if (\is_string($rep->contents)) {
            $show_contents = false;

// If it is the value representation of a string and its whitespace
            // was truncated in the header, always display the full string
            if ('string' !== $o->type || $o->value !== $rep) {
                $show_contents = true;
            } else {
                if (\preg_match('/(:?[\\r\\n\\t\\f\\v]| {2})/', $rep->contents)) {
                    $show_contents = true;
                } elseif (self::$strlen_max && null !== ($vs = $o->getValueShort()) && BlobValue::strlen($vs) > self::$strlen_max) {
                    $show_contents = true;
                }

if (empty($o->encoding)) {
                    $show_contents = false;
                }
            }

if ($show_contents) {
                return '<pre>'.$this->escape($rep->contents)."\n</pre>";
            }
        }

if ($rep->contents instanceof Value) {
            return $this->render($rep->contents);
        }

return '';
    }

/**
     * @psalm-param PluginMap $plugins
     * @psalm-param string[] $hints
     */
    protected function getPlugin(array $plugins, array $hints): ?PluginInterface
    {
        if ($plugins = $this->matchPlugins($plugins, $hints)) {
            $plugin = \end($plugins);

if (!isset($this->plugin_objs[$plugin]) && \is_subclass_of($plugin, PluginInterface::class)) {
                $this->plugin_objs[$plugin] = new $plugin($this);
            }

return $this->plugin_objs[$plugin];
        }

return null;
    }

protected static function renderJs(): string
    {
        return \file_get_contents(KINT_DIR.'/resources/compiled/shared.js').\file_get_contents(KINT_DIR.'/resources/compiled/rich.js');
    }

protected static function renderCss(): string
    {
        if (\file_exists(KINT_DIR.'/resources/compiled/'.self::$theme)) {
            return \file_get_contents(KINT_DIR.'/resources/compiled/'.self::$theme);
        }

return \file_get_contents(self::$theme);
    }

protected static function renderFolder(): string
    {
        return '<div class="kint-rich kint-folder"><dl><dt class="kint-parent"><nav></nav>Kint</dt><dd class="kint-foldout"></dd></dl></div>';
    }
}