477 lines
16 KiB
PHP
477 lines
16 KiB
PHP
<?php
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/*
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* This file is part of the Symfony package.
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*
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* (c) Fabien Potencier <fabien@symfony.com>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace Symfony\Component\VarDumper\Dumper;
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use Symfony\Component\VarDumper\Cloner\Cursor;
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/**
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* CliDumper dumps variables for command line output.
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*
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* @author Nicolas Grekas <p@tchwork.com>
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*/
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class CliDumper extends AbstractDumper
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{
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public static $defaultColors;
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public static $defaultOutput = 'php://stdout';
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protected $colors;
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protected $maxStringWidth = 0;
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protected $styles = array(
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// See http://en.wikipedia.org/wiki/ANSI_escape_code#graphics
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'default' => '38;5;208',
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'num' => '1;38;5;38',
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'const' => '1;38;5;208',
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'str' => '1;38;5;113',
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'note' => '38;5;38',
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'ref' => '38;5;247',
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'public' => '',
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'protected' => '',
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'private' => '',
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'meta' => '38;5;170',
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'key' => '38;5;113',
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'index' => '38;5;38',
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);
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protected static $controlCharsRx = '/[\x00-\x1F\x7F]+/';
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protected static $controlCharsMap = array(
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"\t" => '\t',
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"\n" => '\n',
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"\v" => '\v',
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"\f" => '\f',
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"\r" => '\r',
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"\033" => '\e',
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);
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/**
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* {@inheritdoc}
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*/
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public function __construct($output = null, $charset = null)
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{
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parent::__construct($output, $charset);
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if ('\\' === DIRECTORY_SEPARATOR && 'ON' !== @getenv('ConEmuANSI') && 'xterm' !== @getenv('TERM')) {
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// Use only the base 16 xterm colors when using ANSICON or standard Windows 10 CLI
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$this->setStyles(array(
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'default' => '31',
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'num' => '1;34',
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'const' => '1;31',
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'str' => '1;32',
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'note' => '34',
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'ref' => '1;30',
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'meta' => '35',
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'key' => '32',
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'index' => '34',
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));
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}
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}
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/**
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* Enables/disables colored output.
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*
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* @param bool $colors
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*/
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public function setColors($colors)
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{
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$this->colors = (bool) $colors;
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}
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/**
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* Sets the maximum number of characters per line for dumped strings.
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*
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* @param int $maxStringWidth
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*/
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public function setMaxStringWidth($maxStringWidth)
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{
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$this->maxStringWidth = (int) $maxStringWidth;
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}
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/**
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* Configures styles.
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*
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* @param array $styles A map of style names to style definitions
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*/
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public function setStyles(array $styles)
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{
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$this->styles = $styles + $this->styles;
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}
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/**
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* {@inheritdoc}
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*/
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public function dumpScalar(Cursor $cursor, $type, $value)
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{
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$this->dumpKey($cursor);
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$style = 'const';
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$attr = array();
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switch ($type) {
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case 'integer':
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$style = 'num';
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break;
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case 'double':
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$style = 'num';
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switch (true) {
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case INF === $value: $value = 'INF'; break;
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case -INF === $value: $value = '-INF'; break;
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case is_nan($value): $value = 'NAN'; break;
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default:
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$value = (string) $value;
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if (false === strpos($value, $this->decimalPoint)) {
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$value .= $this->decimalPoint.'0';
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}
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break;
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}
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break;
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case 'NULL':
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$value = 'null';
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break;
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case 'boolean':
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$value = $value ? 'true' : 'false';
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break;
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default:
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$attr['value'] = isset($value[0]) && !preg_match('//u', $value) ? $this->utf8Encode($value) : $value;
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$value = isset($type[0]) && !preg_match('//u', $type) ? $this->utf8Encode($type) : $type;
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break;
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}
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$this->line .= $this->style($style, $value, $attr);
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$this->dumpLine($cursor->depth, true);
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}
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/**
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* {@inheritdoc}
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*/
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public function dumpString(Cursor $cursor, $str, $bin, $cut)
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{
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$this->dumpKey($cursor);
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if ($bin) {
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$str = $this->utf8Encode($str);
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}
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if ('' === $str) {
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$this->line .= '""';
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$this->dumpLine($cursor->depth, true);
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} else {
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$attr = array(
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'length' => 0 <= $cut ? mb_strlen($str, 'UTF-8') + $cut : 0,
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'binary' => $bin,
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);
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$str = explode("\n", $str);
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if (isset($str[1]) && !isset($str[2]) && !isset($str[1][0])) {
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unset($str[1]);
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$str[0] .= "\n";
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}
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$m = count($str) - 1;
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$i = $lineCut = 0;
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if ($bin) {
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$this->line .= 'b';
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}
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if ($m) {
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$this->line .= '"""';
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$this->dumpLine($cursor->depth);
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} else {
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$this->line .= '"';
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}
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foreach ($str as $str) {
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if ($i < $m) {
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$str .= "\n";
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}
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if (0 < $this->maxStringWidth && $this->maxStringWidth < $len = mb_strlen($str, 'UTF-8')) {
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$str = mb_substr($str, 0, $this->maxStringWidth, 'UTF-8');
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$lineCut = $len - $this->maxStringWidth;
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}
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if ($m && 0 < $cursor->depth) {
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$this->line .= $this->indentPad;
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}
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if ('' !== $str) {
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$this->line .= $this->style('str', $str, $attr);
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}
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if ($i++ == $m) {
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if ($m) {
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if ('' !== $str) {
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$this->dumpLine($cursor->depth);
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if (0 < $cursor->depth) {
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$this->line .= $this->indentPad;
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}
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}
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$this->line .= '"""';
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} else {
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$this->line .= '"';
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}
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if ($cut < 0) {
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$this->line .= '…';
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$lineCut = 0;
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} elseif ($cut) {
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$lineCut += $cut;
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}
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}
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if ($lineCut) {
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$this->line .= '…'.$lineCut;
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$lineCut = 0;
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}
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$this->dumpLine($cursor->depth, $i > $m);
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}
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}
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}
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/**
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* {@inheritdoc}
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*/
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public function enterHash(Cursor $cursor, $type, $class, $hasChild)
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{
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$this->dumpKey($cursor);
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if (!preg_match('//u', $class)) {
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$class = $this->utf8Encode($class);
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}
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if (Cursor::HASH_OBJECT === $type) {
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$prefix = $class && 'stdClass' !== $class ? $this->style('note', $class).' {' : '{';
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} elseif (Cursor::HASH_RESOURCE === $type) {
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$prefix = $this->style('note', $class.' resource').($hasChild ? ' {' : ' ');
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} else {
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$prefix = $class ? $this->style('note', 'array:'.$class).' [' : '[';
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}
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if ($cursor->softRefCount || 0 < $cursor->softRefHandle) {
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$prefix .= $this->style('ref', (Cursor::HASH_RESOURCE === $type ? '@' : '#').(0 < $cursor->softRefHandle ? $cursor->softRefHandle : $cursor->softRefTo), array('count' => $cursor->softRefCount));
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} elseif ($cursor->hardRefTo && !$cursor->refIndex && $class) {
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$prefix .= $this->style('ref', '&'.$cursor->hardRefTo, array('count' => $cursor->hardRefCount));
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} elseif (!$hasChild && Cursor::HASH_RESOURCE === $type) {
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$prefix = substr($prefix, 0, -1);
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}
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$this->line .= $prefix;
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if ($hasChild) {
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$this->dumpLine($cursor->depth);
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}
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}
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/**
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* {@inheritdoc}
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*/
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public function leaveHash(Cursor $cursor, $type, $class, $hasChild, $cut)
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{
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$this->dumpEllipsis($cursor, $hasChild, $cut);
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$this->line .= Cursor::HASH_OBJECT === $type ? '}' : (Cursor::HASH_RESOURCE !== $type ? ']' : ($hasChild ? '}' : ''));
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$this->dumpLine($cursor->depth, true);
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}
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/**
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* Dumps an ellipsis for cut children.
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*
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* @param Cursor $cursor The Cursor position in the dump
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* @param bool $hasChild When the dump of the hash has child item
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* @param int $cut The number of items the hash has been cut by
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*/
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protected function dumpEllipsis(Cursor $cursor, $hasChild, $cut)
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{
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if ($cut) {
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$this->line .= ' …';
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if (0 < $cut) {
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$this->line .= $cut;
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}
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if ($hasChild) {
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$this->dumpLine($cursor->depth + 1);
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}
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}
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}
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/**
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* Dumps a key in a hash structure.
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*
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* @param Cursor $cursor The Cursor position in the dump
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*/
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protected function dumpKey(Cursor $cursor)
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{
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if (null !== $key = $cursor->hashKey) {
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if ($cursor->hashKeyIsBinary) {
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$key = $this->utf8Encode($key);
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}
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$attr = array('binary' => $cursor->hashKeyIsBinary);
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$bin = $cursor->hashKeyIsBinary ? 'b' : '';
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$style = 'key';
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switch ($cursor->hashType) {
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default:
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case Cursor::HASH_INDEXED:
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$style = 'index';
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case Cursor::HASH_ASSOC:
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if (is_int($key)) {
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$this->line .= $this->style($style, $key).' => ';
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} else {
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$this->line .= $bin.'"'.$this->style($style, $key).'" => ';
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}
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break;
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case Cursor::HASH_RESOURCE:
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$key = "\0~\0".$key;
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// No break;
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case Cursor::HASH_OBJECT:
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if (!isset($key[0]) || "\0" !== $key[0]) {
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$this->line .= '+'.$bin.$this->style('public', $key).': ';
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} elseif (0 < strpos($key, "\0", 1)) {
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$key = explode("\0", substr($key, 1), 2);
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switch ($key[0]) {
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case '+': // User inserted keys
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$attr['dynamic'] = true;
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$this->line .= '+'.$bin.'"'.$this->style('public', $key[1], $attr).'": ';
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break 2;
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case '~':
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$style = 'meta';
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break;
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case '*':
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$style = 'protected';
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$bin = '#'.$bin;
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break;
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default:
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$attr['class'] = $key[0];
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$style = 'private';
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$bin = '-'.$bin;
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break;
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}
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$this->line .= $bin.$this->style($style, $key[1], $attr).': ';
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} else {
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// This case should not happen
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$this->line .= '-'.$bin.'"'.$this->style('private', $key, array('class' => '')).'": ';
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}
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break;
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}
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if ($cursor->hardRefTo) {
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$this->line .= $this->style('ref', '&'.($cursor->hardRefCount ? $cursor->hardRefTo : ''), array('count' => $cursor->hardRefCount)).' ';
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}
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}
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}
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/**
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* Decorates a value with some style.
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*
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* @param string $style The type of style being applied
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* @param string $value The value being styled
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* @param array $attr Optional context information
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*
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* @return string The value with style decoration
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*/
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protected function style($style, $value, $attr = array())
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{
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if (null === $this->colors) {
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$this->colors = $this->supportsColors();
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}
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$style = $this->styles[$style];
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$map = static::$controlCharsMap;
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$startCchr = $this->colors ? "\033[m\033[{$this->styles['default']}m" : '';
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$endCchr = $this->colors ? "\033[m\033[{$style}m" : '';
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$value = preg_replace_callback(static::$controlCharsRx, function ($c) use ($map, $startCchr, $endCchr) {
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$s = $startCchr;
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$c = $c[$i = 0];
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do {
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$s .= isset($map[$c[$i]]) ? $map[$c[$i]] : sprintf('\x%02X', ord($c[$i]));
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} while (isset($c[++$i]));
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return $s.$endCchr;
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}, $value, -1, $cchrCount);
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if ($this->colors) {
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if ($cchrCount && "\033" === $value[0]) {
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$value = substr($value, strlen($startCchr));
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} else {
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$value = "\033[{$style}m".$value;
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}
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if ($cchrCount && $endCchr === substr($value, -strlen($endCchr))) {
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$value = substr($value, 0, -strlen($endCchr));
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} else {
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$value .= "\033[{$this->styles['default']}m";
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}
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}
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return $value;
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}
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/**
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* @return bool Tells if the current output stream supports ANSI colors or not
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*/
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protected function supportsColors()
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{
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if ($this->outputStream !== static::$defaultOutput) {
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return @(is_resource($this->outputStream) && function_exists('posix_isatty') && posix_isatty($this->outputStream));
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}
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if (null !== static::$defaultColors) {
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return static::$defaultColors;
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}
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if (isset($_SERVER['argv'][1])) {
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$colors = $_SERVER['argv'];
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$i = count($colors);
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while (--$i > 0) {
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if (isset($colors[$i][5])) {
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switch ($colors[$i]) {
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case '--ansi':
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case '--color':
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case '--color=yes':
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case '--color=force':
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case '--color=always':
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return static::$defaultColors = true;
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case '--no-ansi':
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case '--color=no':
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case '--color=none':
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case '--color=never':
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return static::$defaultColors = false;
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}
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}
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}
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}
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if ('\\' === DIRECTORY_SEPARATOR) {
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static::$defaultColors = @(
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0 >= version_compare('10.0.10586', PHP_WINDOWS_VERSION_MAJOR.'.'.PHP_WINDOWS_VERSION_MINOR.'.'.PHP_WINDOWS_VERSION_BUILD)
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|| false !== getenv('ANSICON')
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|| 'ON' === getenv('ConEmuANSI')
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|| 'xterm' === getenv('TERM')
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);
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} elseif (function_exists('posix_isatty')) {
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$h = stream_get_meta_data($this->outputStream) + array('wrapper_type' => null);
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$h = 'Output' === $h['stream_type'] && 'PHP' === $h['wrapper_type'] ? fopen('php://stdout', 'wb') : $this->outputStream;
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static::$defaultColors = @posix_isatty($h);
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} else {
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static::$defaultColors = false;
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}
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return static::$defaultColors;
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}
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/**
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* {@inheritdoc}
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*/
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protected function dumpLine($depth, $endOfValue = false)
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{
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if ($this->colors) {
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$this->line = sprintf("\033[%sm%s\033[m", $this->styles['default'], $this->line);
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}
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parent::dumpLine($depth);
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}
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}
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