PHP Cursor::advanceBy方法代码示例

 public static function parse(Cursor $cursor)
 {
     if (null === self::$regexp) {
         $regex = RegexHelper::getInstance();
         self::$regexp = sprintf('/^\\s*([.#][_a-z0-9-]+|%s%s)(?<!})\\s*/i', $regex->getPartialRegex(RegexHelper::ATTRIBUTENAME), $regex->getPartialRegex(RegexHelper::ATTRIBUTEVALUESPEC));
     }
     $state = $cursor->saveState();
     $cursor->advanceToFirstNonSpace();
     if ('{' !== $cursor->getCharacter()) {
         $cursor->restoreState($state);
         return [];
     }
     $cursor->advanceBy(1);
     if (':' === $cursor->getCharacter()) {
         $cursor->advanceBy(1);
     }
     $attributes = [];
     while ($attribute = trim($cursor->match(self::$regexp))) {
         if ('#' === $attribute[0]) {
             $attributes['id'] = substr($attribute, 1);
             continue;
         }
         if ('.' === $attribute[0]) {
             $attributes['class'][] = substr($attribute, 1);
             continue;
         }
         list($name, $value) = explode('=', $attribute, 2);
         $first = $value[0];
         $last = substr($value, -1);
         if (('"' === $first && '"' === $last || "'" === $first && "'" === $last) && strlen($value) > 1) {
             $value = substr($value, 1, -1);
         }
         if ('class' === strtolower(trim($name))) {
             foreach (array_filter(explode(' ', trim($value))) as $class) {
                 $attributes['class'][] = $class;
             }
         } else {
             $attributes[trim($name)] = trim($value);
         }
     }
     if (0 === $cursor->advanceWhileMatches('}')) {
         $cursor->restoreState($state);
         return [];
     }
     if (isset($attributes['class'])) {
         $attributes['class'] = implode(' ', $attributes['class']);
     }
     return $attributes;
 }

 /**
  * @param ContextInterface $context
  * @param Cursor $cursor
  *
  * @return bool
  */
 public function parse(ContextInterface $context, Cursor $cursor)
 {
     $tmpCursor = clone $cursor;
     $indent = $tmpCursor->advanceWhileMatches(' ', 3);
     $rest = $tmpCursor->getRemainder();
     $data = new ListData();
     if ($matches = RegexHelper::matchAll('/^[*+-]( +|$)/', $rest)) {
         $spacesAfterMarker = strlen($matches[1]);
         $data->type = ListBlock::TYPE_UNORDERED;
         $data->delimiter = null;
         $data->bulletChar = $matches[0][0];
     } elseif ($matches = RegexHelper::matchAll('/^(\\d+)([.)])( +|$)/', $rest)) {
         $spacesAfterMarker = strlen($matches[3]);
         $data->type = ListBlock::TYPE_ORDERED;
         $data->start = intval($matches[1]);
         $data->delimiter = $matches[2];
         $data->bulletChar = null;
     } else {
         return false;
     }
     $data->padding = $this->calculateListMarkerPadding($matches[0], $spacesAfterMarker, $rest);
     $cursor->advanceToFirstNonSpace();
     $cursor->advanceBy($data->padding);
     // list item
     $data->markerOffset = $indent;
     // add the list if needed
     $container = $context->getContainer();
     if (!$container || !$context->getContainer() instanceof ListBlock || !$data->equals($container->getListData())) {
         $context->addBlock(new ListBlock($data));
     }
     // add the list item
     $context->addBlock(new ListItem($data));
     return true;
 }

 public function matchesNextLine(Cursor $cursor)
 {
     if ($cursor->getIndent() >= $this->listData->markerOffset + $this->listData->padding) {
         $cursor->advanceBy($this->listData->markerOffset + $this->listData->padding, true);
     } elseif ($cursor->isBlank()) {
         $cursor->advanceToFirstNonSpace();
     } else {
         return false;
     }
     return true;
 }

 public function matchesNextLine(Cursor $cursor)
 {
     if ($cursor->getIndent() >= IndentedCodeParser::CODE_INDENT_LEVEL) {
         $cursor->advanceBy(IndentedCodeParser::CODE_INDENT_LEVEL);
     } elseif ($cursor->isBlank()) {
         $cursor->advanceToFirstNonSpace();
     } else {
         return false;
     }
     return true;
 }

 public function matchesNextLine(Cursor $cursor)
 {
     if ($cursor->isIndented()) {
         $cursor->advanceBy(Cursor::INDENT_LEVEL, true);
     } elseif ($cursor->isBlank()) {
         $cursor->advanceToFirstNonSpace();
     } else {
         return false;
     }
     return true;
 }

 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;
 }

 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->isIndented()) {
         return false;
     }
     $match = RegexHelper::matchAt(RegexHelper::getInstance()->getThematicBreakRegex(), $cursor->getLine(), $cursor->getFirstNonSpacePosition());
     if ($match === null) {
         return false;
     }
     // Advance to the end of the string, consuming the entire line (of the thematic break)
     $cursor->advanceBy(mb_strlen($cursor->getRemainder()));
     $context->addBlock(new ThematicBreak());
     $context->setBlocksParsed(true);
     return true;
 }

 /**
  * @param ContextInterface $context
  * @param Cursor           $cursor
  *
  * @return bool
  */
 public function parse(ContextInterface $context, Cursor $cursor)
 {
     if (!$cursor->isIndented()) {
         return false;
     }
     if ($context->getTip() instanceof Paragraph) {
         return false;
     }
     if ($cursor->isBlank()) {
         return false;
     }
     $cursor->advanceBy(Cursor::INDENT_LEVEL, true);
     $context->addBlock(new IndentedCode());
     return true;
 }

 /**
  * @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 \League\CommonMark\ContextInterface $context
  * @param \League\CommonMark\Cursor $cursor
  *
  * @return bool
  */
 public function parse(\League\CommonMark\ContextInterface $context, \League\CommonMark\Cursor $cursor)
 {
     $line = $cursor->getLine();
     //either a line starting with 'example:' (expected to have a set of links)
     //or a line starting with [example] (a single link)
     //remove potential markdown formatting (except what we need)
     $check = preg_replace('#[^a-z:\\[\\]]#', '', strtolower($line));
     if (substr($check, 0, 8) != 'example:' and substr($check, 0, 9) != '[example]') {
         return false;
     }
     $context->addBlock(new ExampleElement($cursor->getLine(), $this->path));
     $cursor->advanceBy(strlen($line));
     $context->setBlocksParsed(true);
     return true;
 }

 /**
  * @param ContextInterface $context
  * @param Cursor $cursor
  *
  * @return bool
  */
 public function parse(ContextInterface $context, Cursor $cursor)
 {
     $match = RegexHelper::matchAll('/^#{1,6}(?: +|$)/', $cursor->getLine(), $cursor->getFirstNonSpacePosition());
     if (!$match) {
         return false;
     }
     $cursor->advanceToFirstNonSpace();
     $cursor->advanceBy(strlen($match[0]));
     $level = strlen(trim($match[0]));
     $str = $cursor->getRemainder();
     $str = preg_replace('/^ *#+ *$/', '', $str);
     $str = preg_replace('/ +#+ *$/', '', $str);
     $context->addBlock(new Header($level, $str));
     $context->setBlocksParsed(true);
     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;
 }

 /**
  * @param ContextInterface $context
  * @param Cursor           $cursor
  *
  * @return bool
  */
 public function parse(ContextInterface $context, Cursor $cursor)
 {
     if ($cursor->isIndented() && !$context->getContainer() instanceof ListBlock) {
         return false;
     }
     $tmpCursor = clone $cursor;
     $tmpCursor->advanceToFirstNonSpace();
     $rest = $tmpCursor->getRemainder();
     $data = new ListData();
     $data->markerOffset = $cursor->getIndent();
     if ($matches = RegexHelper::matchAll('/^[*+-]/', $rest)) {
         $data->type = ListBlock::TYPE_UNORDERED;
         $data->delimiter = null;
         $data->bulletChar = $matches[0][0];
     } elseif (($matches = RegexHelper::matchAll('/^(\\d{1,9})([.)])/', $rest)) && (!$context->getContainer() instanceof Paragraph || $matches[1] === '1')) {
         $data->type = ListBlock::TYPE_ORDERED;
         $data->start = intval($matches[1]);
         $data->delimiter = $matches[2];
         $data->bulletChar = null;
     } else {
         return false;
     }
     $markerLength = strlen($matches[0]);
     // Make sure we have spaces after
     $nextChar = $tmpCursor->peek($markerLength);
     if (!($nextChar === null || $nextChar === "\t" || $nextChar === ' ')) {
         return false;
     }
     // If it interrupts paragraph, make sure first line isn't blank
     if ($context->getContainer() instanceof Paragraph && !RegexHelper::matchAt(RegexHelper::REGEX_NON_SPACE, $rest, $markerLength)) {
         return false;
     }
     // We've got a match! Advance offset and calculate padding
     $cursor->advanceToFirstNonSpace();
     // to start of marker
     $cursor->advanceBy($markerLength, true);
     // to end of marker
     $data->padding = $this->calculateListMarkerPadding($cursor, $markerLength);
     // add the list if needed
     $container = $context->getContainer();
     if (!$container || !$context->getContainer() instanceof ListBlock || !$data->equals($container->getListData())) {
         $context->addBlock(new ListBlock($data));
     }
     // add the list item
     $context->addBlock(new ListItem($data));
     return true;
 }

 /**
  * @param $string
  * @param $expected
  *
  * @dataProvider dataForTestParse
  */
 public function testParse($string, $expected)
 {
     $cursor = new Cursor($string);
     // Move to just before the first tilde pair
     $first_tilde_pos = mb_strpos($string, '~~', null, 'utf-8');
     $cursor->advanceBy($first_tilde_pos);
     $inline_context = new InlineParserContext($cursor);
     $context_stub = $this->getMock('League\\CommonMark\\ContextInterface');
     $parser = new StrikethroughParser();
     $parser->parse($context_stub, $inline_context);
     $inlines = $inline_context->getInlines();
     $this->assertCount(1, $inlines);
     $this->assertTrue($inlines->first() instanceof Strikethrough);
     /** @var Strikethrough $text */
     $text = $inlines->first();
     $this->assertEquals($expected, $text->getContent());
 }