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<?php |
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namespace Consolidation\OutputFormatters\Transformations; |
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use Consolidation\OutputFormatters\Transformations\Wrap\CalculateWidths; |
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use Consolidation\OutputFormatters\Transformations\Wrap\ColumnWidths; |
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use Symfony\Component\Console\Helper\TableStyle; |
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class WordWrapper |
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{ |
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protected $width; |
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protected $minimumWidths; |
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// For now, hardcode these to match what the Symfony Table helper does. |
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// Note that these might actually need to be adjusted depending on the |
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// table style. |
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protected $extraPaddingAtBeginningOfLine = 0; |
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protected $extraPaddingAtEndOfLine = 0; |
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protected $paddingInEachCell = 3; |
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public function __construct($width) |
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{ |
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$this->width = $width; |
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$this->minimumWidths = new ColumnWidths(); |
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} |
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/** |
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* Calculate our padding widths from the specified table style. |
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* @param TableStyle $style |
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*/ |
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public function setPaddingFromStyle(TableStyle $style) |
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{ |
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$verticalBorderLen = strlen(sprintf($style->getBorderFormat(), $style->getVerticalBorderChar())); |
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$paddingLen = strlen($style->getPaddingChar()); |
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$this->extraPaddingAtBeginningOfLine = 0; |
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$this->extraPaddingAtEndOfLine = $verticalBorderLen; |
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$this->paddingInEachCell = $verticalBorderLen + $paddingLen + 1; |
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} |
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/** |
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* If columns have minimum widths, then set them here. |
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* @param array $minimumWidths |
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*/ |
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public function setMinimumWidths($minimumWidths) |
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{ |
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$this->minimumWidths = new ColumnWidths($minimumWidths); |
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} |
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/** |
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* Set the minimum width of just one column |
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*/ |
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public function minimumWidth($colkey, $width) |
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{ |
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$this->minimumWidths->setWidth($colkey, $width); |
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} |
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/** |
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* Wrap the cells in each part of the provided data table |
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* @param array $rows |
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* @return array |
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*/ |
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public function wrap($rows, $widths = []) |
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{ |
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$auto_widths = $this->calculateWidths($rows, $widths); |
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// If no widths were provided, then disable wrapping |
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if ($auto_widths->isEmpty()) { |
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return $rows; |
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} |
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// Do wordwrap on all cells. |
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$newrows = array(); |
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foreach ($rows as $rowkey => $row) { |
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foreach ($row as $colkey => $cell) { |
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$newrows[$rowkey][$colkey] = $this->wrapCell($cell, $auto_widths->width($colkey)); |
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} |
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} |
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return $newrows; |
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} |
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/** |
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* Determine what widths we'll use for wrapping. |
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*/ |
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protected function calculateWidths($rows, $widths = []) |
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{ |
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// Widths must be provided in some form or another, or we won't wrap. |
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if (empty($widths) && !$this->width) { |
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return new ColumnWidths(); |
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} |
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// Technically, `$widths`, if provided here, should be used |
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// as the exact widths to wrap to. For now we'll just treat |
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// these as minimum widths |
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$minimumWidths = $this->minimumWidths->combine(new ColumnWidths($widths)); |
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$calculator = new CalculateWidths(); |
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$dataCellWidths = $calculator->calculateLongestCell($rows); |
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$availableWidth = $this->width - $dataCellWidths->paddingSpace($this->paddingInEachCell, $this->extraPaddingAtEndOfLine, $this->extraPaddingAtBeginningOfLine); |
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$this->minimumWidths->adjustMinimumWidths($availableWidth, $dataCellWidths); |
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return $calculator->calculate($availableWidth, $dataCellWidths, $minimumWidths); |
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} |
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/** |
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* Wrap one cell. Guard against modifying non-strings and |
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* then call through to wordwrap(). |
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* |
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* @param mixed $cell |
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* @param string $cellWidth |
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* @return mixed |
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*/ |
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protected function wrapCell($cell, $cellWidth) |
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{ |
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if (!is_string($cell)) { |
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return $cell; |
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} |
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return wordwrap($cell, $cellWidth, "\n", true); |
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} |
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} |
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consolidation /
output-formatters
