public function read($initialState, $allowWhitespace = true)
{
if (is_string($initialState)) {
$state = Morphes_Core_Model_Html_State::INITIAL_RAWTEXT;
$rawElement = strtolower($initialState);
} else {
$state = $initialState;
}
$startPos = $this->_pos;
$token = array('pos' => $this->_pos, 'line' => $this->_line, 'column' => $this->_column);
$readNext = true;
while ($state != Morphes_Core_Model_Html_State::FINISHED) {
$ch = $this->_ch !== false ? ord($this->_ch) : false;
switch ($state) {
case Morphes_Core_Model_Html_State::INITIAL_TEXT:
if ($ch === false) {
$token['type'] = Morphes_Core_Model_Html_Token::EOF;
$readNext = false;
$state = Morphes_Core_Model_Html_State::FINISHED;
} elseif ($ch == ord('<')) {
// here we assume we have enough characters in read buffer. It is always the case for now,
// later it may break if we work with underlying stream, not memory buffer
if (mb_substr($this->_source, $this->_pos, 2) == '</') {
$this->_move(1);
$token['type'] = Morphes_Core_Model_Html_Token::TAG_END;
$state = Morphes_Core_Model_Html_State::FINISHED;
} elseif (mb_substr($this->_source, $this->_pos, 8) == '<![CDATA') {
$this->_move(7);
$token['type'] = Morphes_Core_Model_Html_Token::CDATA;
$state = Morphes_Core_Model_Html_State::CDATA;
} elseif (mb_substr($this->_source, $this->_pos, 4) == '<!--') {
$this->_move(3);
$token['type'] = Morphes_Core_Model_Html_Token::COMMENT;
$state = Morphes_Core_Model_Html_State::COMMENT;
} else {
$token['type'] = Morphes_Core_Model_Html_Token::TAG_START;
$state = Morphes_Core_Model_Html_State::FINISHED;
}
} else {
$token['type'] = Morphes_Core_Model_Html_Token::TEXT;
$state = Morphes_Core_Model_Html_State::TEXT;
}
break;
case Morphes_Core_Model_Html_State::INITIAL:
if ($ch == ord(' ') || $ch == ord("\r") || $ch == ord("\t") || $ch == ord("\n") || $ch == ord("\f")) {
if (!$allowWhitespace) {
$token['end_pos'] = $this->_pos;
throw new Exception(Mage::helper('morphes_core')->__('HTML read error %s: whitespace not expected%s', Morphes_Core_Model_Html_Token::getPosition($token), $this->getSourceAt($token)));
}
} else {
$token['pos'] = $this->_pos;
$token['line'] = $this->_line;
$token['column'] = $this->_column;
if ($ch === false) {
$token['type'] = Morphes_Core_Model_Html_Token::EOF;
$readNext = false;
$state = Morphes_Core_Model_Html_State::FINISHED;
} elseif ($ch == ord('>')) {
$token['type'] = Morphes_Core_Model_Html_Token::TAG_CLOSE;
$state = Morphes_Core_Model_Html_State::FINISHED;
} elseif ($ch == ord('/') && mb_substr($this->_source, $this->_pos, 2) == '/>') {
$this->_move(1);
$token['type'] = Morphes_Core_Model_Html_Token::TAG_SELF_CLOSE;
$state = Morphes_Core_Model_Html_State::FINISHED;
} elseif ($ch == ord('=')) {
$token['type'] = Morphes_Core_Model_Html_Token::EQ;
$state = Morphes_Core_Model_Html_State::FINISHED;
} elseif ($ch == ord('!') || ord('a') <= $ch && $ch <= ord('z') || ord('A') <= $ch && $ch <= ord('Z')) {
$state = Morphes_Core_Model_Html_State::NAME;
$token['type'] = Morphes_Core_Model_Html_Token::NAME;
} else {
$token['end_pos'] = $this->_pos;
throw new Exception(Mage::helper('morphes_core')->__('HTML read error %s: unexpected character%s', Morphes_Core_Model_Html_Token::getPosition($token), $this->getSourceAt($token)));
}
}
break;
case Morphes_Core_Model_Html_State::INITIAL_VALUE:
if ($ch == ord(' ') || $ch == ord("\r") || $ch == ord("\t") || $ch == ord("\n") || $ch == ord("\f")) {
if (!$allowWhitespace) {
$token['end_pos'] = $this->_pos;
throw new Exception(Mage::helper('morphes_core')->__('HTML read error %s: whitespace not expected%s', Morphes_Core_Model_Html_Token::getPosition($token), $this->getSourceAt($token)));
}
} else {
$token['pos'] = $this->_pos;
$token['line'] = $this->_line;
$token['column'] = $this->_column;
$token['type'] = Morphes_Core_Model_Html_Token::VALUE;
if ($ch === false) {
$token['type'] = Morphes_Core_Model_Html_Token::EOF;
$readNext = false;
$state = Morphes_Core_Model_Html_State::FINISHED;
} elseif ($ch == ord("'")) {
$state = Morphes_Core_Model_Html_State::SINGLE_QUOTED_VALUE;
$token['pos']++;
$token['column']++;
} elseif ($ch == ord('"')) {
$state = Morphes_Core_Model_Html_State::DOUBLE_QUOTED_VALUE;
$token['pos']++;
$token['column']++;
} elseif (!($ch == ord('=') || $ch == ord('<') || $ch == ord('>') || $ch == ord('`'))) {
$state = Morphes_Core_Model_Html_State::UNQUOTED_VALUE;
} else {
$token['end_pos'] = $this->_pos;
throw new Exception(Mage::helper('morphes_core')->__('HTML read error %s: unexpected character%s', Morphes_Core_Model_Html_Token::getPosition($token), $this->getSourceAt($token)));
}
}
break;
case Morphes_Core_Model_Html_State::INITIAL_RAWTEXT:
if ($ch === false) {
$token['type'] = Morphes_Core_Model_Html_Token::EOF;
$readNext = false;
$state = Morphes_Core_Model_Html_State::FINISHED;
} else {
$token['type'] = Morphes_Core_Model_Html_Token::TEXT;
$state = Morphes_Core_Model_Html_State::RAWTEXT;
if ($ch == ord('<') && strtolower(mb_substr($this->_source, $this->_pos, 2 + mb_strlen($rawElement))) == '</' . $rawElement) {
if (mb_strlen($this->_source) > $this->_pos + 2 + mb_strlen($rawElement)) {
$nextCh = ord(mb_substr($this->_source, $this->_pos + 2 + mb_strlen($rawElement), 1));
if ($nextCh == ord('>') || $nextCh == ord('/') || $ch == ord(' ') || $ch == ord("\r") || $ch == ord("\t") || $ch == ord("\n") || $ch == ord("\f")) {
$readNext = false;
$state = Morphes_Core_Model_Html_State::FINISHED;
}
}
}
}
break;
case Morphes_Core_Model_Html_State::CDATA:
if ($ch === false) {
$token['end_pos'] = $this->_pos;
throw new Exception(Mage::helper('morphes_core')->__('HTML read error %s: unexpected end of text%s', Morphes_Core_Model_Html_Token::getPosition($token), $this->getSourceAt($token)));
} elseif ($ch == ord(']') && mb_substr($this->_source, $this->_pos, 3) == ']]>') {
$this->_move(2);
$state = Morphes_Core_Model_Html_State::FINISHED;
}
break;
case Morphes_Core_Model_Html_State::COMMENT:
if ($ch === false) {
$token['end_pos'] = $this->_pos;
throw new Exception(Mage::helper('morphes_core')->__('HTML read error %s: unexpected end of text%s', Morphes_Core_Model_Html_Token::getPosition($token), $this->getSourceAt($token)));
} elseif ($ch == ord('-') && mb_substr($this->_source, $this->_pos, 3) == '-->') {
$this->_move(2);
$state = Morphes_Core_Model_Html_State::FINISHED;
}
break;
case Morphes_Core_Model_Html_State::TEXT:
if ($ch === false || $ch == ord('<')) {
$readNext = false;
$state = Morphes_Core_Model_Html_State::FINISHED;
}
break;
case Morphes_Core_Model_Html_State::RAWTEXT:
if ($ch === false) {
$readNext = false;
$state = Morphes_Core_Model_Html_State::FINISHED;
} elseif ($ch == ord('<') && strtolower(mb_substr($this->_source, $this->_pos, 2 + mb_strlen($rawElement))) == '</' . $rawElement) {
if (mb_strlen($this->_source) > $this->_pos + 2 + mb_strlen($rawElement)) {
$nextCh = ord(mb_substr($this->_source, $this->_pos + 2 + mb_strlen($rawElement), 1));
if ($nextCh == ord('>') || $nextCh == ord('/') || $ch == ord(' ') || $ch == ord("\r") || $ch == ord("\t") || $ch == ord("\n") || $ch == ord("\f")) {
$readNext = false;
$state = Morphes_Core_Model_Html_State::FINISHED;
}
}
}
break;
case Morphes_Core_Model_Html_State::NAME:
if ($ch === false || !($ch == ord('!') || ord('a') <= $ch && $ch <= ord('z') || ord('A') <= $ch && $ch <= ord('Z') || $ch == ord('_') || $ch == ord('-') || $ch == ord(':') || ord('0') <= $ch && $ch <= ord('9'))) {
$readNext = false;
$state = Morphes_Core_Model_Html_State::FINISHED;
}
break;
case Morphes_Core_Model_Html_State::UNQUOTED_VALUE:
if ($ch === false || $ch == ord('"') || $ch == ord("'") || $ch == ord(' ') || $ch == ord("\r") || $ch == ord("\t") || $ch == ord("\n") || $ch == ord("\f") || $ch == ord('=') || $ch == ord('<') || $ch == ord('>') || $ch == ord('`')) {
$readNext = false;
$state = Morphes_Core_Model_Html_State::FINISHED;
}
break;
case Morphes_Core_Model_Html_State::SINGLE_QUOTED_VALUE:
if ($ch === false) {
$token['end_pos'] = $this->_pos;
throw new Exception(Mage::helper('morphes_core')->__('HTML read error %s: unexpected end of text%s', Morphes_Core_Model_Html_Token::getPosition($token), $this->getSourceAt($token)));
} elseif ($ch == ord("'")) {
$state = Morphes_Core_Model_Html_State::FINISHED;
$token['end_pos'] = $this->_pos;
}
break;
case Morphes_Core_Model_Html_State::DOUBLE_QUOTED_VALUE:
if ($ch === false) {
$token['end_pos'] = $this->_pos;
throw new Exception(Mage::helper('morphes_core')->__('HTML read error %s: unexpected end of text%s', Morphes_Core_Model_Html_Token::getPosition($token), $this->getSourceAt($token)));
} elseif ($ch == ord('"')) {
$state = Morphes_Core_Model_Html_State::FINISHED;
$token['end_pos'] = $this->_pos;
}
break;
default:
throw new Exception('Not implemented');
}
if ($readNext) {
$this->_ch = $this->_read();
}
}
if (!isset($token['end_pos'])) {
$token['end_pos'] = $this->_pos;
}
$token['text'] = $token['end_pos'] == $token['pos'] ? '' : mb_substr($this->_source, $token['pos'], $token['end_pos'] - $token['pos']);
$token['full_text'] = $this->_pos == $startPos ? '' : mb_substr($this->_source, $startPos, $this->_pos - $startPos);
return $token;
}
public function parseElement($parentContent = null)
{
$result = $this->_beforeParsingElement($parentContent);
$this->_read(Morphes_Core_Model_Html_State::INITIAL, Morphes_Core_Model_Html_Token::NAME, false);
$elementName = $this->_token['text'];
array_push($this->_openedElements, $elementName);
$void = Morphes_Core_Model_Html_Token::isVoid($elementName);
$rawText = Morphes_Core_Model_Html_Token::isRawText($elementName);
$this->_processElementName($parentContent, $result, $this->_token, $elementName, $void, $rawText);
while ($this->_read(Morphes_Core_Model_Html_State::INITIAL) == Morphes_Core_Model_Html_Token::NAME || $this->_token['type'] == Morphes_Core_Model_Html_Token::EQ) {
if ($this->_token['type'] != Morphes_Core_Model_Html_Token::EQ) {
$attributeName = $this->_token['text'];
$this->_processAttributeName($parentContent, $result, $this->_token, $attributeName);
} else {
$this->_processAttributeEq($parentContent, $result, $this->_token);
$this->_read(Morphes_Core_Model_Html_State::INITIAL_VALUE, Morphes_Core_Model_Html_Token::VALUE, true);
$attributeValue = $this->_token['text'];
$this->_processAttributeValue($parentContent, $result, $this->_token, $attributeValue);
}
}
switch ($this->_token['type']) {
case Morphes_Core_Model_Html_Token::TAG_SELF_CLOSE:
$this->_processElementClose($parentContent, $result, $this->_token);
array_pop($this->_openedElements);
break;
case Morphes_Core_Model_Html_Token::TAG_CLOSE:
$this->_processElementClose($parentContent, $result, $this->_token);
if (!$void) {
$this->_read($rawText ? $elementName : Morphes_Core_Model_Html_State::INITIAL_TEXT);
$this->_afterParsingChildContent($parentContent, $result, $this->parseContent($this->_beforeParsingChildContent($parentContent, $result)));
if ($this->_token['type'] != Morphes_Core_Model_Html_Token::TAG_END) {
throw new Exception(Mage::helper('morphes_core')->__('HTML parser error %s: %s expected%s', Morphes_Core_Model_Html_Token::getPosition($this->_token), Morphes_Core_Model_Html_Token::getName(Morphes_Core_Model_Html_Token::TAG_END), $this->getReader()->getSourceAt($this->_token)));
}
$this->_read(Morphes_Core_Model_Html_State::INITIAL, Morphes_Core_Model_Html_Token::NAME, false);
array_pop($this->_openedElements);
if ($this->_token['text'] != $elementName) {
if (in_array($this->_token['text'], $this->_openedElements)) {
$this->getReader()->move(-3 - mb_strlen($this->_token['text']));
$this->_processElementEnd($parentContent, $result, $this->_token, $elementName);
} else {
throw new Exception(Mage::helper('morphes_core')->__('HTML parser error %s: closing tag for %s expected%s', Morphes_Core_Model_Html_Token::getPosition($this->_token), $elementName, $this->getReader()->getSourceAt($this->_token)));
}
} else {
$this->_read(Morphes_Core_Model_Html_State::INITIAL, Morphes_Core_Model_Html_Token::TAG_CLOSE, false);
$this->_processElementEnd($parentContent, $result, $this->_token, $elementName);
}
} else {
array_pop($this->_openedElements);
}
break;
default:
throw new Exception(Mage::helper('morphes_core')->__('HTML parser error %s: %s or %s expected%s', Morphes_Core_Model_Html_Token::getPosition($this->_token), Morphes_Core_Model_Html_Token::getName(Morphes_Core_Model_Html_Token::TAG_SELF_CLOSE), Morphes_Core_Model_Html_Token::getName(Morphes_Core_Model_Html_Token::TAG_CLOSE), $this->getReader()->getSourceAt($this->_token)));
}
$this->_read(Morphes_Core_Model_Html_State::INITIAL_TEXT);
return $this->_afterParsingElement($parentContent, $result);
}
