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<?php |
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namespace PHPSemVerChecker\Console; |
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use Symfony\Component\Console\Helper\Helper; |
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use Symfony\Component\Console\Helper\TableSeparator; |
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use Symfony\Component\Console\Output\OutputInterface; |
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/** |
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* Renders a Markdown compatible table. |
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*/ |
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class MarkdownTable |
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{ |
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/** |
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* @var array |
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*/ |
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private $headers = []; |
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/** |
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* @var array |
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*/ |
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private $rows = []; |
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/** |
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* @var \Symfony\Component\Console\Output\OutputInterface |
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*/ |
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private $output; |
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/** |
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* @var int[] |
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*/ |
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private $columnWidths; |
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/** |
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* @param \Symfony\Component\Console\Output\OutputInterface $output |
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*/ |
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public function __construct(OutputInterface $output) |
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{ |
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$this->output = $output; |
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} |
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/** |
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* Set the column headers. |
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* |
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* @param array $headers |
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* @return $this |
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*/ |
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public function setHeaders(array $headers) |
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{ |
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// Ensure zero-indexed array |
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$this->headers = array_values($headers); |
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return $this; |
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} |
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/** |
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* Sets all rows, replacing any existing. |
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* |
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* @param array $rows |
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* @return MarkdownTable |
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*/ |
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public function setRows(array $rows) |
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{ |
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$this->rows = []; |
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return $this->addRows($rows); |
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} |
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/** |
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* @param array $rows |
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* @return $this |
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*/ |
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public function addRows(array $rows) |
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{ |
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foreach ($rows as $row) { |
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$this->addRow($row); |
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} |
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return $this; |
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} |
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/** |
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* @param $row |
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* @return $this |
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*/ |
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public function addRow($row) |
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{ |
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if ($row instanceof TableSeparator) { |
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$this->rows[] = $row; |
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return $this; |
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} |
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if (!is_array($row)) { |
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throw new \InvalidArgumentException('A row must be an array or a TableSeparator instance.'); |
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} |
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$this->rows[] = array_values($row); |
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return $this; |
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} |
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/** |
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* @param int $index |
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* @param array $row |
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*/ |
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public function setRow($index, array $row) |
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{ |
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$this->rows[$index] = $row; |
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} |
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/** |
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* Renders table to output. |
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*/ |
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public function render() |
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{ |
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$this->prepare(); |
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$this->output->writeln(''); |
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$this->renderRow($this->headers); |
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$this->renderRowSeparator(); |
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foreach ($this->rows as $row) { |
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$this->renderRow($row); |
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} |
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} |
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/** |
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* Renders a single row. |
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* |
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* @param array|TableSeparator $row |
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*/ |
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private function renderRow($row) |
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{ |
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if ($row instanceof TableSeparator) { |
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$this->renderRowSeparator(); |
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return; |
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} |
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$this->output->write('| '); |
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$cells = []; |
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foreach ($row as $index => $content) { |
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$cell = $content; |
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$padding = $this->columnWidths[$index] - Helper::strlenWithoutDecoration($this->output->getFormatter(), $content); |
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$cell .= str_repeat(' ', $padding); |
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$cells[] = $cell; |
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} |
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$this->output->writeln(implode(' | ', $cells).' |'); |
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} |
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/** |
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* Renders the row separator. In this case it should only be used as a header separator. |
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*/ |
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private function renderRowSeparator() |
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{ |
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$this->output->write('|'); |
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foreach ($this->columnWidths as $columnWidth) { |
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$this->output->write(str_repeat('-', $columnWidth + 1)); |
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$this->output->write('-|'); |
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} |
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$this->output->writeln(''); |
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} |
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/** |
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* Prepare for rendering |
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*/ |
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private function prepare() |
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{ |
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$this->columnWidths = []; |
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$this->prepareColumnWidths($this->headers); |
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foreach ($this->rows as $row) { |
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$this->prepareColumnWidths($row); |
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} |
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} |
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/** |
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* Extracts maximum column widths from a row. |
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* |
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* @param $row |
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*/ |
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private function prepareColumnWidths($row) |
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{ |
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if ($row instanceof TableSeparator) { |
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return; |
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} |
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foreach ($row as $index => $content) { |
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$currentMaximum = 0; |
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if (isset($this->columnWidths[$index])) { |
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$currentMaximum = $this->columnWidths[$index]; |
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} |
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$width = Helper::strlenWithoutDecoration($this->output->getFormatter(), $content); |
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$this->columnWidths[$index] = max($currentMaximum, $width); |
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} |
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} |
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} |
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tomzx /
php-semver-checker
