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<?php |
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/** |
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* @author neun |
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* @since 2016-07-03 |
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*/ |
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namespace OneSheet; |
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/** |
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* Static class to build cell strings. |
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* |
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* Class CellHelper |
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* @package OneSheet |
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*/ |
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class CellHelper |
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{ |
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/** |
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* Fixed character array to build cell ids, because chr(65+n) |
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* eats to much performance. |
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* |
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* @var array |
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*/ |
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private static $chars = array('A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O', 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z'); |
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/** |
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* Control character map for escaping. |
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* |
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* @var array(array()) |
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*/ |
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private static $ctrls = array(); |
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/** |
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* Build and return the string for a single cell. |
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* Wheter a numeric value is written as a number |
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* or string type cell is determined by type, |
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* which allows for some control by typecasting. |
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* |
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* @param int $rowId |
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* @param int $cellNo |
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* @param string $value |
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* @param int|null $styleId |
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* @return string |
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* @throws \InvalidArgumentException |
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*/ |
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public static function buildCell($rowId, $cellNo, $value, $styleId = 0) |
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{ |
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if (is_int($value) || is_double($value)) { |
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return '<c r="' . self::buildId($cellNo, $rowId) . '" s="' . $styleId . '"><v>' . $value . '</v></c>'; |
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} elseif (ctype_alnum($value) || is_numeric($value)) { |
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return '<c r="' . self::buildId($cellNo, $rowId) . '" s="' . $styleId . '" t="inlineStr"><is><t>' |
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. $value . '</t></is></c>'; |
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} elseif (ctype_print($value)) { |
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return '<c r="' . self::buildId($cellNo, $rowId) . '" s="' . $styleId . '" t="inlineStr"><is><t>' |
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. htmlspecialchars($value, ENT_QUOTES) . '</t></is></c>'; |
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} else { |
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return '<c r="' . self::buildId($cellNo, $rowId) . '" s="' . $styleId . '" t="inlineStr"><is><t>' |
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. str_replace(self::$ctrls['from'], self::$ctrls['to'], htmlspecialchars($value)) . '</t></is></c>'; |
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} |
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} |
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/** |
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* Turn a integer cell number + row number into a valid cell identifier |
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* like e.g. A1, Z1, AA1 etc and return it. |
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* |
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* @param int $cellNo |
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* @param int|null $rowIndex |
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* @return string |
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*/ |
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private static function buildId($cellNo, $rowIndex = null) |
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{ |
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if ($cellNo / 26 < 1) { |
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return self::$chars[$cellNo] . $rowIndex; |
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} |
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return self::buildId(floor($cellNo / 26) - 1) . self::$chars[$cellNo % 26] . $rowIndex; |
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} |
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/** |
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* Set mapping for control character escaping. |
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* |
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* @param array $map |
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*/ |
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public static function setCtrlCharacterMap(array $map) |
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{ |
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self::$ctrls = $map; |
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} |
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} |
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nimmneun /
onesheet
