/**
* @param $filename string
*
* @return Grid
* @throws MflParserException
*/
public function parse($filename)
{
if (is_file($filename)) {
return Grid::fromGridFile($this->extractGridFile($filename));
}
throw new MflParserException(0, 0, sprintf("No such file '%s'", $filename));
}
/**
* @param GridFile $gridFile
* @throws MflParserException
* @return Grid
*/
public static function fromGridFile(GridFile $gridFile)
{
$grid = new Grid();
$grid->setForce($gridFile->getForce());
$index = 1;
for ($y = 0; $y < $gridFile->getHeight(); $y++) {
for ($x = 0; $x < $gridFile->getWidth(); $x++) {
$value = $gridFile->getCell($x, $y);
if ($gridFile->isPicture($x, $y)) {
$grid->addCell(new PictureCell($x, $y));
} else {
if ($value === strtolower($value)) {
$clues = [];
$arrows = Arrow::getArrows($value);
if (sizeof($arrows) == 0) {
throw new MflParserException($x, $y, "Unable to find definitions for {$value}");
}
foreach ($arrows as $arrow) {
$clue = new Clue($gridFile->getDefinitions()[$index], self::getWord($arrow, $gridFile, $x, $y), $gridFile->getLevel($index - 1), $arrow);
$clues[] = $clue;
$grid->addClue($clue);
$index++;
}
$grid->addCell(new ClueCell($x, $y, $clues));
} else {
$grid->addCell(new LetterCell($x, $y, $value, isset($gridFile->getDashes()[$x * sizeof($gridFile->getRows()[0]) + $y + 1]) ? $gridFile->getDashes()[$x * sizeof($gridFile->getRows()[0]) + $y + 1] : []));
}
}
}
}
return $grid;
}
