<?php
/*
* This file is part of the Symfony package.
*
* (c) Fabien Potencier <fabien@symfony.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Symfony\Component\VarDumper\Dumper;
use Symfony\Component\VarDumper\Cloner\Cursor;
use Symfony\Component\VarDumper\Cloner\Stub;
/**
* CliDumper dumps variables for command line output.
*
* @author Nicolas Grekas <p@tchwork.com>
*/
class CliDumper extends AbstractDumper
{
public static $defaultColors;
public static $defaultOutput = 'php://stdout';
protected $colors;
protected $maxStringWidth = 0;
protected $styles = [
// See http://en.wikipedia.org/wiki/ANSI_escape_code#graphics
'default' => '0;38;5;208',
'num' => '1;38;5;38',
'const' => '1;38;5;208',
'str' => '1;38;5;113',
'note' => '38;5;38',
'ref' => '38;5;247',
'public' => '',
'protected' => '',
'private' => '',
'meta' => '38;5;170',
'key' => '38;5;113',
'index' => '38;5;38',
];
protected static $controlCharsRx = '/[\x00-\x1F\x7F]+/';
protected static $controlCharsMap = [
"\t" => '\t',
"\n" => '\n',
"\v" => '\v',
"\f" => '\f',
"\r" => '\r',
"\033" => '\e',
];
protected $collapseNextHash = false;
protected $expandNextHash = false;
private $displayOptions = [
'fileLinkFormat' => null,
];
private $handlesHrefGracefully;
/**
* {@inheritdoc}
*/
public function __construct($output = null, string $charset = null, int $flags = 0)
{
parent::__construct($output, $charset, $flags);
if ('\\' === \DIRECTORY_SEPARATOR && !$this->isWindowsTrueColor()) {
// Use only the base 16 xterm colors when using ANSICON or standard Windows 10 CLI
$this->setStyles([
'default' => '31',
'num' => '1;34',
'const' => '1;31',
'str' => '1;32',
'note' => '34',
'ref' => '1;30',
'meta' => '35',
'key' => '32',
'index' => '34',
]);
}
$this->displayOptions['fileLinkFormat'] = ini_get('xdebug.file_link_format') ?: get_cfg_var('xdebug.file_link_format') ?: 'file://%f#L%l';
}
/**
* Enables/disables colored output.
*/
public function setColors(bool $colors)
{
$this->colors = $colors;
}
/**
* Sets the maximum number of characters per line for dumped strings.
*/
public function setMaxStringWidth(int $maxStringWidth)
{
$this->maxStringWidth = $maxStringWidth;
}
/**
* Configures styles.
*
* @param array $styles A map of style names to style definitions
*/
public function setStyles(array $styles)
{
$this->styles = $styles + $this->styles;
}
/**
* Configures display options.
*
* @param array $displayOptions A map of display options to customize the behavior
*/
public function setDisplayOptions(array $displayOptions)
{
$this->displayOptions = $displayOptions + $this->displayOptions;
}
/**
* {@inheritdoc}
*/
public function dumpScalar(Cursor $cursor, string $type, $value)
{
$this->dumpKey($cursor);
$style = 'const';
$attr = $cursor->attr;
switch ($type) {
case 'default':
$style = 'default';
break;
case 'integer':
$style = 'num';
break;
case 'double':
$style = 'num';
switch (true) {
case \INF === $value: $value = 'INF'; break;
case -\INF === $value: $value = '-INF'; break;
case is_nan($value): $value = 'NAN'; break;
default:
$value = (string) $value;
if (false === strpos($value, $this->decimalPoint)) {
$value .= $this->decimalPoint.'0';
}
break;
}
break;
case 'NULL':
$value = 'null';
break;
case 'boolean':
$value = $value ? 'true' : 'false';
break;
default:
$attr += ['value' => $this->utf8Encode($value)];
$value = $this->utf8Encode($type);
break;
}
$this->line .= $this->style($style, $value, $attr);
$this->endValue($cursor);
}
/**
* {@inheritdoc}
*/
public function dumpString(Cursor $cursor, string $str, bool $bin, int $cut)
{
$this->dumpKey($cursor);
$attr = $cursor->attr;
if ($bin) {
$str = $this->utf8Encode($str);
}
if ('' === $str) {
$this->line .= '""';
$this->endValue($cursor);
} else {
$attr += [
'length' => 0 <= $cut ? mb_strlen($str, 'UTF-8') + $cut : 0,
'binary' => $bin,
];
$str = $bin && false !== strpos($str, "\0") ? [$str] : explode("\n", $str);
if (isset($str[1]) && !isset($str[2]) && !isset($str[1][0])) {
unset($str[1]);
$str[0] .= "\n";
}
$m = \count($str) - 1;
$i = $lineCut = 0;
if (self::DUMP_STRING_LENGTH & $this->flags) {
$this->line .= '('.$attr['length'].') ';
}
if ($bin) {
$this->line .= 'b';
}
if ($m) {
$this->line .= '"""';
$this->dumpLine($cursor->depth);
} else {
$this->line .= '"';
}
foreach ($str as $str) {
if ($i < $m) {
$str .= "\n";
}
if (0 < $this->maxStringWidth && $this->maxStringWidth < $len = mb_strlen($str, 'UTF-8')) {
$str = mb_substr($str, 0, $this->maxStringWidth, 'UTF-8');
$lineCut = $len - $this->maxStringWidth;
}
if ($m && 0 < $cursor->depth) {
$this->line .= $this->indentPad;
}
if ('' !== $str) {
$this->line .= $this->style('str', $str, $attr);
}
if ($i++ == $m) {
if ($m) {
if ('' !== $str) {
$this->dumpLine($cursor->depth);
if (0 < $cursor->depth) {
$this->line .= $this->indentPad;
}
}
$this->line .= '"""';
} else {
$this->line .= '"';
}
if ($cut < 0) {
$this->line .= '…';
$lineCut = 0;
} elseif ($cut) {
$lineCut += $cut;
}
}
if ($lineCut) {
$this->line .= '…'.$lineCut;
$lineCut = 0;
}
if ($i > $m) {
$this->endValue($cursor);
} else {
$this->dumpLine($cursor->depth);
}
}
}
}
/**
* {@inheritdoc}
*/
public function enterHash(Cursor $cursor, int $type, $class, bool $hasChild)
{
if (null === $this->colors) {
$this->colors = $this->supportsColors();
}
$this->dumpKey($cursor);
$attr = $cursor->attr;
if ($this->collapseNextHash) {
$cursor->skipChildren = true;
$this->collapseNextHash = $hasChild = false;
}
$class = $this->utf8Encode($class);
if (Cursor::HASH_OBJECT === $type) {
$prefix = $class && 'stdClass' !== $class ? $this->style('note', $class, $attr).(empty($attr['cut_hash']) ? ' {' : '') : '{';
} elseif (Cursor::HASH_RESOURCE === $type) {
$prefix = $this->style('note', $class.' resource', $attr).($hasChild ? ' {' : ' ');
} else {
$prefix = $class && !(self::DUMP_LIGHT_ARRAY & $this->flags) ? $this->style('note', 'array:'.$class).' [' : '[';
}
if (($cursor->softRefCount || 0 < $cursor->softRefHandle) && empty($attr['cut_hash'])) {
$prefix .= $this->style('ref', (Cursor::HASH_RESOURCE === $type ? '@' : '#').(0 < $cursor->softRefHandle ? $cursor->softRefHandle : $cursor->softRefTo), ['count' => $cursor->softRefCount]);
} elseif ($cursor->hardRefTo && !$cursor->refIndex && $class) {
$prefix .= $this->style('ref', '&'.$cursor->hardRefTo, ['count' => $cursor->hardRefCount]);
} elseif (!$hasChild && Cursor::HASH_RESOURCE === $type) {
$prefix = substr($prefix, 0, -1);
}
$this->line .= $prefix;
if ($hasChild) {
$this->dumpLine($cursor->depth);
}
}
/**
* {@inheritdoc}
*/
public function leaveHash(Cursor $cursor, int $type, $class, bool $hasChild, int $cut)
{
if (empty($cursor->attr['cut_hash'])) {
$this->dumpEllipsis($cursor, $hasChild, $cut);
$this->line .= Cursor::HASH_OBJECT === $type ? '}' : (Cursor::HASH_RESOURCE !== $type ? ']' : ($hasChild ? '}' : ''));
}
$this->endValue($cursor);
}
/**
* Dumps an ellipsis for cut children.
*
* @param bool $hasChild When the dump of the hash has child item
* @param int $cut The number of items the hash has been cut by
*/
protected function dumpEllipsis(Cursor $cursor, $hasChild, $cut)
{
if ($cut) {
$this->line .= ' …';
if (0 < $cut) {
$this->line .= $cut;
}
if ($hasChild) {
$this->dumpLine($cursor->depth + 1);
}
}
}
/**
* Dumps a key in a hash structure.
*/
protected function dumpKey(Cursor $cursor)
{
if (null !== $key = $cursor->hashKey) {
if ($cursor->hashKeyIsBinary) {
$key = $this->utf8Encode($key);
}
$attr = ['binary' => $cursor->hashKeyIsBinary];
$bin = $cursor->hashKeyIsBinary ? 'b' : '';
$style = 'key';
switch ($cursor->hashType) {
default:
case Cursor::HASH_INDEXED:
if (self::DUMP_LIGHT_ARRAY & $this->flags) {
break;
}
$style = 'index';
// no break
case Cursor::HASH_ASSOC:
if (\is_int($key)) {
$this->line .= $this->style($style, $key).' => ';
} else {
$this->line .= $bin.'"'.$this->style($style, $key).'" => ';
}
break;
case Cursor::HASH_RESOURCE:
$key = "\0~\0".$key;
// no break
case Cursor::HASH_OBJECT:
if (!isset($key[0]) || "\0" !== $key[0]) {
$this->line .= '+'.$bin.$this->style('public', $key).': ';
} elseif (0 < strpos($key, "\0", 1)) {
$key = explode("\0", substr($key, 1), 2);
switch ($key[0][0]) {
case '+': // User inserted keys
$attr['dynamic'] = true;
$this->line .= '+'.$bin.'"'.$this->style('public', $key[1], $attr).'": ';
break 2;
case '~':
$style = 'meta';
if (isset($key[0][1])) {
parse_str(substr($key[0], 1), $attr);
$attr += ['binary' => $cursor->hashKeyIsBinary];
}
break;
case '*':
$style = 'protected';
$bin = '#'.$bin;
break;
default:
$attr['class'] = $key[0];
$style = 'private';
$bin = '-'.$bin;
break;
}
if (isset($attr['collapse'])) {
if ($attr['collapse']) {
$this->collapseNextHash = true;
} else {
$this->expandNextHash = true;
}
}
$this->line .= $bin.$this->style($style, $key[1], $attr).(isset($attr['separator']) ? $attr['separator'] : ': ');
} else {
// This case should not happen
$this->line .= '-'.$bin.'"'.$this->style('private', $key, ['class' => '']).'": ';
}
break;
}
if ($cursor->hardRefTo) {
$this->line .= $this->style('ref', '&'.($cursor->hardRefCount ? $cursor->hardRefTo : ''), ['count' => $cursor->hardRefCount]).' ';
}
}
}
/**
* Decorates a value with some style.
*
* @param string $style The type of style being applied
* @param string $value The value being styled
* @param array $attr Optional context information
*
* @return string The value with style decoration
*/
protected function style($style, $value, $attr = [])
{
if (null === $this->colors) {
$this->colors = $this->supportsColors();
}
if (null === $this->handlesHrefGracefully) {
$this->handlesHrefGracefully = 'JetBrains-JediTerm' !== getenv('TERMINAL_EMULATOR') && !getenv('KONSOLE_VERSION');
}
if (isset($attr['ellipsis'], $attr['ellipsis-type'])) {
$prefix = substr($value, 0, -$attr['ellipsis']);
if ('cli' === \PHP_SAPI && 'path' === $attr['ellipsis-type'] && isset($_SERVER[$pwd = '\\' === \DIRECTORY_SEPARATOR ? 'CD' : 'PWD']) && 0 === strpos($prefix, $_SERVER[$pwd])) {
$prefix = '.'.substr($prefix, \strlen($_SERVER[$pwd]));
}
if (!empty($attr['ellipsis-tail'])) {
$prefix .= substr($value, -$attr['ellipsis'], $attr['ellipsis-tail']);
$value = substr($value, -$attr['ellipsis'] + $attr['ellipsis-tail']);
} else {
$value = substr($value, -$attr['ellipsis']);
}
$value = $this->style('default', $prefix).$this->style($style, $value);
goto href;
}
$map = static::$controlCharsMap;
$startCchr = $this->colors ? "\033[m\033[{$this->styles['default']}m" : '';
$endCchr = $this->colors ? "\033[m\033[{$this->styles[$style]}m" : '';
$value = preg_replace_callback(static::$controlCharsRx, function ($c) use ($map, $startCchr, $endCchr) {
$s = $startCchr;
$c = $c[$i = 0];
do {
$s .= isset($map[$c[$i]]) ? $map[$c[$i]] : sprintf('\x%02X', \ord($c[$i]));
} while (isset($c[++$i]));
return $s.$endCchr;
}, $value, -1, $cchrCount);
if ($this->colors) {
if ($cchrCount && "\033" === $value[0]) {
$value = substr($value, \strlen($startCchr));
} else {
$value = "\033[{$this->styles[$style]}m".$value;
}
if ($cchrCount && $endCchr === substr($value, -\strlen($endCchr))) {
$value = substr($value, 0, -\strlen($endCchr));
} else {
$value .= "\033[{$this->styles['default']}m";
}
}
href:
if ($this->colors && $this->handlesHrefGracefully) {
if (isset($attr['file']) && $href = $this->getSourceLink($attr['file'], isset($attr['line']) ? $attr['line'] : 0)) {
if ('note' === $style) {
$value .= "\033]8;;{$href}\033\\^\033]8;;\033\\";
} else {
$attr['href'] = $href;
}
}
if (isset($attr['href'])) {
$value = "\033]8;;{$attr['href']}\033\\{$value}\033]8;;\033\\";
}
} elseif ($attr['if_links'] ?? false) {
return '';
}
return $value;
}
/**
* @return bool Tells if the current output stream supports ANSI colors or not
*/
protected function supportsColors()
{
if ($this->outputStream !== static::$defaultOutput) {
return $this->hasColorSupport($this->outputStream);
}
if (null !== static::$defaultColors) {
return static::$defaultColors;
}
if (isset($_SERVER['argv'][1])) {
$colors = $_SERVER['argv'];
$i = \count($colors);
while (--$i > 0) {
if (isset($colors[$i][5])) {
switch ($colors[$i]) {
case '--ansi':
case '--color':
case '--color=yes':
case '--color=force':
case '--color=always':
return static::$defaultColors = true;
case '--no-ansi':
case '--color=no':
case '--color=none':
case '--color=never':
return static::$defaultColors = false;
}
}
}
}
$h = stream_get_meta_data($this->outputStream) + ['wrapper_type' => null];
$h = 'Output' === $h['stream_type'] && 'PHP' === $h['wrapper_type'] ? fopen('php://stdout', 'wb') : $this->outputStream;
return static::$defaultColors = $this->hasColorSupport($h);
}
/**
* {@inheritdoc}
*/
protected function dumpLine(int $depth, bool $endOfValue = false)
{
if ($this->colors) {
$this->line = sprintf("\033[%sm%s\033[m", $this->styles['default'], $this->line);
}
parent::dumpLine($depth);
}
protected function endValue(Cursor $cursor)
{
if (-1 === $cursor->hashType) {
return;
}
if (Stub::ARRAY_INDEXED === $cursor->hashType || Stub::ARRAY_ASSOC === $cursor->hashType) {
if (self::DUMP_TRAILING_COMMA & $this->flags && 0 < $cursor->depth) {
$this->line .= ',';
} elseif (self::DUMP_COMMA_SEPARATOR & $this->flags && 1 < $cursor->hashLength - $cursor->hashIndex) {
$this->line .= ',';
}
}
$this->dumpLine($cursor->depth, true);
}
/**
* Returns true if the stream supports colorization.
*
* Reference: Composer\XdebugHandler\Process::supportsColor
* https://github.com/composer/xdebug-handler
*
* @param mixed $stream A CLI output stream
*/
private function hasColorSupport($stream): bool
{
if (!\is_resource($stream) || 'stream' !== get_resource_type($stream)) {
return false;
}
// Follow https://no-color.org/
if (isset($_SERVER['NO_COLOR']) || false !== getenv('NO_COLOR')) {
return false;
}
if ('Hyper' === getenv('TERM_PROGRAM')) {
return true;
}
if (\DIRECTORY_SEPARATOR === '\\') {
return (\function_exists('sapi_windows_vt100_support')
&& @sapi_windows_vt100_support($stream))
|| false !== getenv('ANSICON')
|| 'ON' === getenv('ConEmuANSI')
|| 'xterm' === getenv('TERM');
}
return stream_isatty($stream);
}
/**
* Returns true if the Windows terminal supports true color.
*
* Note that this does not check an output stream, but relies on environment
* variables from known implementations, or a PHP and Windows version that
* supports true color.
*/
private function isWindowsTrueColor(): bool
{
$result = 183 <= getenv('ANSICON_VER')
|| 'ON' === getenv('ConEmuANSI')
|| 'xterm' === getenv('TERM')
|| 'Hyper' === getenv('TERM_PROGRAM');
if (!$result) {
$version = sprintf(
'%s.%s.%s',
PHP_WINDOWS_VERSION_MAJOR,
PHP_WINDOWS_VERSION_MINOR,
PHP_WINDOWS_VERSION_BUILD
);
$result = $version >= '10.0.15063';
}
return $result;
}
private function getSourceLink(string $file, int $line)
{
if ($fmt = $this->displayOptions['fileLinkFormat']) {
return \is_string($fmt) ? strtr($fmt, ['%f' => $file, '%l' => $line]) : ($fmt->format($file, $line) ?: 'file://'.$file.'#L'.$line);
}
return false;
}
}