/**
* @param Codepoint $codepoint
* @return bool
* @throws UnexpectedValueException
*/
private function isPlusOneOfPrevious(Codepoint $codepoint)
{
if ($this->previous === null) {
throw new UnexpectedValueException('Previous cannot be NULL');
}
return $this->previous->getValue() + 1 === $codepoint->getValue();
}
/**
* @param string $value
* @param Codepoint $codepoint
* @return string
*/
protected function parsePlaceholders($value, Codepoint $codepoint)
{
if ($value === null) {
return null;
}
$hexCodepoint = sprintf('%X', $codepoint->getValue());
return str_replace('#', $hexCodepoint, $value);
}
/**
* @param Codepoint $start
* @param Codepoint $end
* @throws InvalidRangeException
*/
protected function __construct(Codepoint $start, Codepoint $end)
{
if ($start->getValue() > $end->getValue()) {
throw new InvalidRangeException();
}
$this->start = $start;
$this->end = $end;
}
/**
* @return int
*/
public function getCodepointValue()
{
return $this->codepoint->getValue();
}
/**
* @param Codepoint $codepoint
* @return string
*/
private function flattenCodepoint(Codepoint $codepoint)
{
return sprintf('\\x{%X}', $codepoint->getValue());
}
/**
* @param Codepoint $codepoint
* @return int
*/
private function indexFromCodepoint(Codepoint $codepoint)
{
return $codepoint->getValue();
}
/**
* @param Codepoint $codepoint
* @return RangeFile
* @throws CharacterNotFoundException
*/
private function getFileByCodepoint(Codepoint $codepoint)
{
$file = $this->charactersDirectory->getFileFromValue($codepoint->getValue());
if ($file === null) {
throw CharacterNotFoundException::withCodepoint($codepoint);
}
return $file;
}
