mirror of https://github.com/rectorphp/rector.git
62 lines
2.2 KiB
PHP
62 lines
2.2 KiB
PHP
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<?php
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/**
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* This file is part of the Tracy (https://tracy.nette.org)
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* Copyright (c) 2004 David Grudl (https://davidgrudl.com)
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*/
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declare (strict_types=1);
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namespace RectorPrefix202302\Tracy;
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/**
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* Debugger for outputs.
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*/
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final class OutputDebugger
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{
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private const BOM = "";
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/** @var array of [file, line, output, stack] */
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private $list = [];
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public static function enable() : void
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{
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$me = new static();
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$me->start();
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}
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public function start() : void
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{
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foreach (\get_included_files() as $file) {
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if (\fread(\fopen($file, 'r'), 3) === self::BOM) {
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$this->list[] = [$file, 1, self::BOM];
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}
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}
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\ob_start([$this, 'handler'], 1);
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}
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/** @internal */
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public function handler(string $s, int $phase) : ?string
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{
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$trace = \debug_backtrace(\DEBUG_BACKTRACE_IGNORE_ARGS);
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if (isset($trace[0]['file'], $trace[0]['line'])) {
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$stack = $trace;
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unset($stack[0]['line'], $stack[0]['args']);
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$i = \count($this->list);
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if ($i && $this->list[$i - 1][3] === $stack) {
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$this->list[$i - 1][2] .= $s;
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} else {
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$this->list[] = [$trace[0]['file'], $trace[0]['line'], $s, $stack];
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}
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}
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return $phase === \PHP_OUTPUT_HANDLER_FINAL ? $this->renderHtml() : null;
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}
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private function renderHtml() : string
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{
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$res = '<style>code, pre {white-space:nowrap} a {text-decoration:none} pre {color:gray;display:inline} big {color:red}</style><code>';
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foreach ($this->list as $item) {
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$stack = [];
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foreach (\array_slice($item[3], 1) as $t) {
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$t += ['class' => '', 'type' => '', 'function' => ''];
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$stack[] = "{$t['class']}{$t['type']}{$t['function']}()" . (isset($t['file'], $t['line']) ? ' in ' . \basename($t['file']) . ":{$t['line']}" : '');
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}
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$res .= '<span title="' . Helpers::escapeHtml(\implode("\n", $stack)) . '">' . Helpers::editorLink($item[0], $item[1]) . ' ' . \str_replace(self::BOM, '<big>BOM</big>', Dumper::toHtml($item[2])) . "</span><br>\n";
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}
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return $res . '</code>';
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}
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}
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