/**
* Formats a message as a block of text.
*
* @param string|array $messages The message to write in the block
* @param string|null $type The block type (added in [] on first line)
* @param string|null $style The style to apply to the whole block
* @param string $prefix The prefix for the block
* @param bool $padding Whether to add vertical padding
*/
public function block($messages, $type = null, $style = null, $prefix = ' ', $padding = false)
{
$this->autoPrependBlock();
$messages = is_array($messages) ? array_values($messages) : array($messages);
$lines = array();
// add type
if (null !== $type) {
$messages[0] = sprintf('[%s] %s', $type, $messages[0]);
}
// wrap and add newlines for each element
foreach ($messages as $key => $message) {
$message = OutputFormatter::escape($message);
$lines = array_merge($lines, explode(PHP_EOL, wordwrap($message, $this->lineLength - Helper::strlen($prefix), PHP_EOL, true)));
if (count($messages) > 1 && $key < count($messages) - 1) {
$lines[] = '';
}
}
if ($padding && $this->isDecorated()) {
array_unshift($lines, '');
$lines[] = '';
}
foreach ($lines as &$line) {
$line = sprintf('%s%s', $prefix, $line);
$line .= str_repeat(' ', $this->lineLength - Helper::strlenWithoutDecoration($this->getFormatter(), $line));
if ($style) {
$line = sprintf('<%s>%s</>', $style, $line);
}
}
$this->writeln($lines);
$this->newLine();
}
/**
* Constructor.
*
* @param OutputInterface $output An OutputInterface instance
* @param int $max Maximum steps (0 if unknown)
*/
public function __construct(OutputInterface $output, $max = 0)
{
// Disabling output when it does not support ANSI codes as it would result in a broken display anyway.
$this->output = $output->isDecorated() ? $output : new NullOutput();
$this->max = (int) $max;
$this->stepWidth = $this->max > 0 ? Helper::strlen($this->max) : 4;
if (!self::$formatters) {
self::$formatters = self::initPlaceholderFormatters();
}
if (!self::$formats) {
self::$formats = self::initFormats();
}
$this->setFormat($this->determineBestFormat());
}
/**
* Formats a message as a block of text.
*
* @param string|array $messages The message to write in the block
* @param string|null $type The block type (added in [] on first line)
* @param string|null $style The style to apply to the whole block
* @param string $prefix The prefix for the block
* @param bool $padding Whether to add vertical padding
*/
public function block($messages, $type = null, $style = null, $prefix = ' ', $padding = false)
{
$this->autoPrependBlock();
$messages = is_array($messages) ? array_values($messages) : array($messages);
$indentLength = 0;
$lines = array();
if (null !== $type) {
$typePrefix = sprintf('[%s] ', $type);
$indentLength = strlen($typePrefix);
$lineIndentation = str_repeat(' ', $indentLength);
}
// wrap and add newlines for each element
foreach ($messages as $key => $message) {
$message = OutputFormatter::escape($message);
$lines = array_merge($lines, explode(PHP_EOL, wordwrap($message, $this->lineLength - Helper::strlen($prefix) - $indentLength, PHP_EOL, true)));
// prefix each line with a number of spaces equivalent to the type length
if (null !== $type) {
foreach ($lines as &$line) {
$line = $lineIndentation === substr($line, 0, $indentLength) ? $line : $lineIndentation . $line;
}
}
if (count($messages) > 1 && $key < count($messages) - 1) {
$lines[] = '';
}
}
if (null !== $type) {
$lines[0] = substr_replace($lines[0], $typePrefix, 0, $indentLength);
}
if ($padding && $this->isDecorated()) {
array_unshift($lines, '');
$lines[] = '';
}
foreach ($lines as &$line) {
$line = sprintf('%s%s', $prefix, $line);
$line .= str_repeat(' ', $this->lineLength - Helper::strlenWithoutDecoration($this->getFormatter(), $line));
if ($style) {
$line = sprintf('<%s>%s</>', $style, $line);
}
}
$this->writeln($lines);
$this->newLine();
}
/**
* Renders table cell with padding.
*
* @param array $row
* @param int $column
* @param string $cellFormat
*/
private function renderCell(array $row, $column, $cellFormat)
{
$cell = isset($row[$column]) ? $row[$column] : '';
$width = $this->columnWidths[$column];
if ($cell instanceof TableCell && $cell->getColspan() > 1) {
// add the width of the following columns(numbers of colspan).
foreach (range($column + 1, $column + $cell->getColspan() - 1) as $nextColumn) {
$width += $this->getColumnSeparatorWidth() + $this->columnWidths[$nextColumn];
}
}
// str_pad won't work properly with multi-byte strings, we need to fix the padding
if (false !== ($encoding = mb_detect_encoding($cell, null, true))) {
$width += strlen($cell) - mb_strwidth($cell, $encoding);
}
$style = $this->getColumnStyle($column);
if ($cell instanceof TableSeparator) {
$this->output->write(sprintf($style->getBorderFormat(), str_repeat($style->getHorizontalBorderChar(), $width)));
} else {
$width += Helper::strlen($cell) - Helper::strlenWithoutDecoration($this->output->getFormatter(), $cell);
$content = sprintf($style->getCellRowContentFormat(), $cell);
$this->output->write(sprintf($cellFormat, str_pad($content, $width, $style->getPaddingChar(), $style->getPadType())));
}
}
/**
* Renders table cell with padding.
*
* @param array $row
* @param int $column
* @param string $cellFormat
*/
private function renderCell(array $row, $column, $cellFormat)
{
$cell = isset($row[$column]) ? $row[$column] : '';
$width = $this->getColumnWidth($column);
// str_pad won't work properly with multi-byte strings, we need to fix the padding
if (function_exists('mb_strlen') && false !== ($encoding = mb_detect_encoding($cell))) {
$width += strlen($cell) - mb_strlen($cell, $encoding);
}
$width += Helper::strlen($cell) - Helper::strlenWithoutDecoration($this->output->getFormatter(), $cell);
$content = sprintf($this->style->getCellRowContentFormat(), $cell);
$this->output->write(sprintf($cellFormat, str_pad($content, $width, $this->style->getPaddingChar(), $this->style->getPadType())));
}
/**
* Sets the progress bar maximal steps.
*
* @param int $max The progress bar max steps
*/
private function setMaxSteps($max)
{
$this->max = max(0, (int) $max);
$this->stepWidth = $this->max ? Helper::strlen($this->max) : 4;
}
/**
* Finds a command by name or alias.
*
* Contrary to get, this command tries to find the best
* match if you give it an abbreviation of a name or alias.
*
* @param string $name A command name or a command alias
*
* @return Command A Command instance
*
* @throws CommandNotFoundException When command name is incorrect or ambiguous
*/
public function find($name)
{
$allCommands = array_keys($this->commands);
$expr = preg_replace_callback('{([^:]+|)}', function ($matches) {
return preg_quote($matches[1]) . '[^:]*';
}, $name);
$commands = preg_grep('{^' . $expr . '}', $allCommands);
if (empty($commands) || count(preg_grep('{^' . $expr . '$}', $commands)) < 1) {
if (false !== ($pos = strrpos($name, ':'))) {
// check if a namespace exists and contains commands
$this->findNamespace(substr($name, 0, $pos));
}
$message = sprintf('Command "%s" is not defined.', $name);
if ($alternatives = $this->findAlternatives($name, $allCommands)) {
if (1 == count($alternatives)) {
$message .= "\n\nDid you mean this?\n ";
} else {
$message .= "\n\nDid you mean one of these?\n ";
}
$message .= implode("\n ", $alternatives);
}
throw new CommandNotFoundException($message, $alternatives);
}
// filter out aliases for commands which are already on the list
if (count($commands) > 1) {
$commandList = $this->commands;
$commands = array_filter($commands, function ($nameOrAlias) use($commandList, $commands) {
$commandName = $commandList[$nameOrAlias]->getName();
return $commandName === $nameOrAlias || !in_array($commandName, $commands);
});
}
$exact = in_array($name, $commands, true);
if (count($commands) > 1 && !$exact) {
$usableWidth = $this->terminal->getWidth() - 10;
$abbrevs = array_values($commands);
$maxLen = 0;
foreach ($abbrevs as $abbrev) {
$maxLen = max(Helper::strlen($abbrev), $maxLen);
}
$abbrevs = array_map(function ($cmd) use($commandList, $usableWidth, $maxLen) {
$abbrev = str_pad($cmd, $maxLen, ' ') . ' ' . $commandList[$cmd]->getDescription();
return Helper::strlen($abbrev) > $usableWidth ? Helper::substr($abbrev, 0, $usableWidth - 3) . '...' : $abbrev;
}, array_values($commands));
$suggestions = $this->getAbbreviationSuggestions($abbrevs);
throw new CommandNotFoundException(sprintf("Command \"%s\" is ambiguous.\nDid you mean one of these?\n%s", $name, $suggestions), array_values($commands));
}
return $this->get($exact ? $name : reset($commands));
}
