{
parent::__construct($output, $charset, $flags);
- if ('\\' === DIRECTORY_SEPARATOR && 'ON' !== @getenv('ConEmuANSI') && 'xterm' !== @getenv('TERM')) {
+ if ('\\' === DIRECTORY_SEPARATOR && !$this->isWindowsTrueColor()) {
// Use only the base 16 xterm colors when using ANSICON or standard Windows 10 CLI
$this->setStyles(array(
'default' => '31',
protected function supportsColors()
{
if ($this->outputStream !== static::$defaultOutput) {
- return @(is_resource($this->outputStream) && function_exists('posix_isatty') && posix_isatty($this->outputStream));
+ return $this->hasColorSupport($this->outputStream);
}
if (null !== static::$defaultColors) {
return static::$defaultColors;
}
}
- if ('\\' === DIRECTORY_SEPARATOR) {
- static::$defaultColors = @(
- function_exists('sapi_windows_vt100_support') && sapi_windows_vt100_support($this->outputStream)
- || '10.0.10586' === PHP_WINDOWS_VERSION_MAJOR.'.'.PHP_WINDOWS_VERSION_MINOR.'.'.PHP_WINDOWS_VERSION_BUILD
- || false !== getenv('ANSICON')
- || 'ON' === getenv('ConEmuANSI')
- || 'xterm' === getenv('TERM')
- );
- } elseif (function_exists('posix_isatty')) {
- $h = stream_get_meta_data($this->outputStream) + array('wrapper_type' => null);
- $h = 'Output' === $h['stream_type'] && 'PHP' === $h['wrapper_type'] ? fopen('php://stdout', 'wb') : $this->outputStream;
- static::$defaultColors = @posix_isatty($h);
- } else {
- static::$defaultColors = false;
- }
+ $h = stream_get_meta_data($this->outputStream) + array('wrapper_type' => null);
+ $h = 'Output' === $h['stream_type'] && 'PHP' === $h['wrapper_type'] ? fopen('php://stdout', 'wb') : $this->outputStream;
- return static::$defaultColors;
+ return static::$defaultColors = $this->hasColorSupport($h);
}
/**
$this->dumpLine($cursor->depth, true);
}
+
+ /**
+ * Returns true if the stream supports colorization.
+ *
+ * Reference: Composer\XdebugHandler\Process::supportsColor
+ * https://github.com/composer/xdebug-handler
+ *
+ * @param mixed $stream A CLI output stream
+ *
+ * @return bool
+ */
+ private function hasColorSupport($stream)
+ {
+ if (!is_resource($stream) || 'stream' !== get_resource_type($stream)) {
+ return false;
+ }
+
+ if (DIRECTORY_SEPARATOR === '\\') {
+ return (function_exists('sapi_windows_vt100_support')
+ && @sapi_windows_vt100_support($stream))
+ || false !== getenv('ANSICON')
+ || 'ON' === getenv('ConEmuANSI')
+ || 'xterm' === getenv('TERM');
+ }
+
+ if (function_exists('stream_isatty')) {
+ return @stream_isatty($stream);
+ }
+
+ if (function_exists('posix_isatty')) {
+ return @posix_isatty($stream);
+ }
+
+ $stat = @fstat($stream);
+ // Check if formatted mode is S_IFCHR
+ return $stat ? 0020000 === ($stat['mode'] & 0170000) : false;
+ }
+
+ /**
+ * 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.
+ *
+ * @return bool
+ */
+ private function isWindowsTrueColor()
+ {
+ $result = 183 <= getenv('ANSICON_VER')
+ || 'ON' === getenv('ConEmuANSI')
+ || 'xterm' === getenv('TERM');
+
+ if (!$result && PHP_VERSION_ID >= 70200) {
+ $version = sprintf(
+ '%s.%s.%s',
+ PHP_WINDOWS_VERSION_MAJOR,
+ PHP_WINDOWS_VERSION_MINOR,
+ PHP_WINDOWS_VERSION_BUILD
+ );
+ $result = $version >= '10.0.15063';
+ }
+
+ return $result;
+ }
}