peek() public method

Returns the next character (or null, if none) without advancing forwards
public peek ( integer $offset = 1 ) : string | null
$offset integer
return string | null
Beispiel #1
0
 public function matchesNextLine(Cursor $cursor)
 {
     if ($cursor->getIndent() <= 3 && $cursor->getFirstNonSpaceCharacter() == 'A') {
         $cursor->advanceToFirstNonSpace();
         if ($cursor->peek() === '>') {
             $cursor->advanceBy(2);
             if ($cursor->getCharacter() === ' ') {
                 $cursor->advance();
             }
             return true;
         }
     }
     return false;
 }
Beispiel #2
0
 public function matchesNextLine(Cursor $cursor)
 {
     if ($cursor->getIndent() <= 3 && in_array($cursor->getFirstNonSpaceCharacter(), static::getIconBlockTypes())) {
         $cursor->advanceToFirstNonSpace();
         if ($cursor->peek() === '>') {
             $cursor->advanceBy(2);
             if ($cursor->getCharacter() === ' ') {
                 $cursor->advance();
             }
             return true;
         }
     }
     return false;
 }
 /**
  * @param ContextInterface $context
  * @param Cursor $cursor
  *
  * @return bool
  */
 public function parse(ContextInterface $context, Cursor $cursor)
 {
     if ($cursor->getFirstNonSpaceCharacter() !== 'A' || $cursor->getCharacter($cursor->getFirstNonSpacePosition() + 1) !== '>') {
         return false;
     }
     $cursor->advanceToFirstNonSpace();
     if ($cursor->peek() === '>') {
         $cursor->advanceBy(2);
         if ($cursor->getCharacter() === ' ') {
             $cursor->advance();
         }
     }
     $context->addBlock(new Aside());
     return true;
 }
 /**
  * @param ContextInterface $context
  * @param Cursor $cursor
  *
  * @return bool
  */
 public function parse(ContextInterface $context, Cursor $cursor)
 {
     if (!in_array($cursor->getFirstNonSpaceCharacter(), IconBlock::getIconBlockTypes()) || $cursor->getCharacter($cursor->getFirstNonSpacePosition() + 1) !== '>') {
         return false;
     }
     $type = $cursor->getFirstNonSpaceCharacter();
     $cursor->advanceToFirstNonSpace();
     if ($cursor->peek() === '>') {
         $cursor->advanceBy(2);
         if ($cursor->getCharacter() === ' ') {
             $cursor->advance();
         }
     }
     $context->addBlock(new IconBlock($type));
     return true;
 }
Beispiel #5
0
 /**
  * @param Cursor $cursor
  * @param int    $markerLength
  *
  * @return int
  */
 private function calculateListMarkerPadding(Cursor $cursor, $markerLength)
 {
     $start = $cursor->saveState();
     $spacesStartCol = $cursor->getColumn();
     while ($cursor->getColumn() - $spacesStartCol < 5) {
         if (!$cursor->advanceBySpaceOrTab()) {
             break;
         }
     }
     $blankItem = $cursor->peek() === null;
     $spacesAfterMarker = $cursor->getColumn() - $spacesStartCol;
     if ($spacesAfterMarker >= 5 || $spacesAfterMarker < 1 || $blankItem) {
         $cursor->restoreState($start);
         $cursor->advanceBySpaceOrTab();
         return $markerLength + 1;
     }
     return $markerLength + $spacesAfterMarker;
 }
 /**
  * @param Cursor $cursor
  * @param int    $markerLength
  *
  * @return int
  */
 private function calculateListMarkerPadding(Cursor $cursor, $markerLength)
 {
     $start = $cursor->saveState();
     $spacesStartCol = $cursor->getColumn();
     $spacesStartOffset = $cursor->getPosition();
     do {
         $cursor->advanceBy(1, true);
         $nextChar = $cursor->getCharacter();
     } while ($cursor->getColumn() - $spacesStartCol < 5 && ($nextChar === ' ' || $nextChar === "\t"));
     $blankItem = $cursor->peek() === null;
     $spacesAfterMarker = $cursor->getColumn() - $spacesStartCol;
     if ($spacesAfterMarker >= 5 || $spacesAfterMarker < 1 || $blankItem) {
         $cursor->restoreState($start);
         if ($cursor->peek() === ' ') {
             $cursor->advanceBy(1, true);
         }
         return $markerLength + 1;
     } else {
         return $markerLength + $spacesAfterMarker;
     }
 }