public function __construct(Scanner $scanner)
{
$this->scanner = $scanner;
$this->stack = new \SplStack();
$this->componentBuilder = new ComponentBuilder($scanner->getFile());
$this->tree = new Tree();
}
public static function parse(Scanner $scanner)
{
$file = $scanner->getFile();
// Must be /
$char = $file->nextChar();
// Unexpected char
if ($char != '/') {
// Unexpected EOF
if ($char === false) {
throw ExceptionFactory::createUnexpectedEOF(__FILE__, __LINE__, $file->getFileName(), $file->getCurrentLine());
// Unexpected char
} else {
throw ExceptionFactory::createUnexpectedChar(__FILE__, __LINE__, $file->getFileName(), $file->getCurrentLine(), $char);
}
}
// Must be >
$char = $file->nextChar();
// We have a problem here
if ($char != '>') {
// Illegal space
if ($scanner->isSpace($char)) {
throw ExceptionFactory::createIllegalSpace(__FILE__, __LINE__, $file->getFileName(), $file->getCurrentLine());
// Unexpected EOF
} elseif ($char === false) {
throw ExceptionFactory::createUnexpectedEOF(__FILE__, __LINE__, $file->getFileName(), $file->getCurrentLine());
// Unexpected char
} else {
throw ExceptionFactory::createUnexpectedChar(__FILE__, __LINE__, $file->getFileName(), $file->getCurrentLine(), $char);
}
}
// Next lookAhead
$scanner->setLookAhead(Token::T_OPEN_TAG | Token::T_CLOSE_TAG | Token::T_TEXT);
// T_CLOSE token found
return new Token(Token::T_CLOSE);
}
public static function parse(Scanner $scanner)
{
// We eat the character >
$scanner->forward(1);
// Next lookAhead
$scanner->setLookAhead(Token::T_OPEN_TAG | Token::T_CLOSE_TAG | Token::T_TEXT);
// T_END token found
return new Token(Token::T_END);
}
public function testNextCharSpaces()
{
$scanner = new Scanner(new File(FILES_DIR . 'spaces_file'));
$this->assertEquals('t', $scanner->nextChar());
$this->assertEquals('h', $scanner->nextChar());
$this->assertFalse($scanner->getFile()->isEOF());
$this->assertFalse($scanner->nextChar());
$this->assertTrue($scanner->getFile()->isEOF());
$this->assertFalse($scanner->nextChar());
$this->assertTrue($scanner->getFile()->isEOF());
}
public static function parse(Scanner $scanner)
{
$file = $scanner->getFile();
$char = $file->nextChar();
$state = 0;
$value = '';
$pos = 0;
while (true) {
switch ($state) {
case 0:
// Ex: "value"
if ($char == '"') {
$state = 1;
$pos = $file->find('"');
// Ex: 'value'
} elseif ($char == "'") {
$state = 2;
$pos = $file->find("'");
// Exception
} else {
// Unexpected EOF
if ($char == false) {
throw ExceptionFactory::createUnexpectedEOF(__FILE__, __LINE__, $file->getFileName(), $file->getCurrentLine());
// Unexpected Char
} else {
throw ExceptionFactory::createUnexpectedChar(__FILE__, __LINE__, $file->getFileName(), $file->getCurrentLine(), $char);
}
}
break;
case 1:
// Char " not found
if ($pos === false) {
throw ExceptionFactory::createCannotFindChar(__FILE__, __LINE__, $file->getFileName(), $file->getCurrentLine(), '"');
}
// Get the value
$value .= $scanner->forward($pos);
// Bypass "
$scanner->forward(1);
break 2;
case 2:
// Char ' not found
if ($pos === false) {
throw ExceptionFactory::createCannotFindChar(__FILE__, __LINE__, $file->getFileName(), $file->getCurrentLine(), "'");
}
// Get the value
$value .= $scanner->forward($pos);
// Bypass '
$scanner->forward(1);
break 2;
}
}
// Next lookAhead
$scanner->setLookAhead(Token::T_ATTRIBUTE | Token::T_END | Token::T_CLOSE);
// T_VALUE token found
return new SimpleToken(Token::T_VALUE, $value);
}
public static function parse(Scanner $scanner)
{
$file = $scanner->getFile();
$char = $file->nextChar();
$state = 0;
$value = '';
while (true) {
switch ($state) {
case 0:
// T_ATTRIBUTE begins with [a-zA-Z] or _
if ($scanner->isLetter($char) || $char == '_') {
$state = 1;
$value .= $char;
$char = $file->nextChar();
// Exception
} else {
// Unexpected EOF
if ($char == false) {
throw ExceptionFactory::createUnexpectedEOF(__FILE__, __LINE__, $file->getFileName(), $file->getCurrentLine());
// Unexpected Char
} else {
throw ExceptionFactory::createUnexpectedChar(__FILE__, __LINE__, $file->getFileName(), $file->getCurrentLine(), $char);
}
}
break;
case 1:
// The second char can be [a-zA-Z0-9] or _
if ($scanner->isAlpha($char) || $char == '_') {
$state = 1;
$value .= $char;
$char = $file->nextChar();
// Space indicates the end of the T_ATTRIBUTE
// But we have to eat the next = char
} elseif ($scanner->isSpace($char)) {
$state = 2;
$char = $scanner->nextChar();
// If the next char is =, we're done
} elseif ($char == '=') {
break 2;
// Exception
} else {
// Unexpected EOF
if ($char == false) {
throw ExceptionFactory::createUnexpectedEOF(__FILE__, __LINE__, $file->getFileName(), $file->getCurrentLine());
// Unexpected Char
} else {
throw ExceptionFactory::createUnexpectedChar(__FILE__, __LINE__, $file->getFileName(), $file->getCurrentLine(), $char);
}
}
break;
case 2:
// If the next char is =, we're done
if ($char == '=') {
break 2;
// Exception
} else {
// Unexpected EOF
if ($char == false) {
throw ExceptionFactory::createUnexpectedEOF(__FILE__, __LINE__, $file->getFileName(), $file->getCurrentLine());
// Unexpected Char
} else {
throw ExceptionFactory::createUnexpectedChar(__FILE__, __LINE__, $file->getFileName(), $file->getCurrentLine(), $char);
}
}
break;
}
}
// Next lookAhead
$scanner->setLookAhead(Token::T_VALUE);
// T_ATTRIBUTE token found
return new SimpleToken(Token::T_ATTRIBUTE, $value);
}
public static function parse(Scanner $scanner)
{
$file = $scanner->getFile();
$char = $file->nextChar();
$state = 0;
$ns = '';
$name = '';
while (true) {
switch ($state) {
case 0:
// Must start with <
if ($char == '<') {
$state = 1;
$char = $file->nextChar();
// Exception
} else {
// Unexpected EOF
if ($char == false) {
throw ExceptionFactory::createUnexpectedEOF(__FILE__, __LINE__, $file->getFileName(), $file->getCurrentLine());
// Unexpected Char
} else {
throw ExceptionFactory::createUnexpectedChar(__FILE__, __LINE__, $file->getFileName(), $file->getCurrentLine(), $char);
}
}
break;
case 1:
// The first char after < can be [a-zA-Z] or _
if ($scanner->isLetter($char) || $char == '_') {
$state = 2;
$ns .= $char;
$char = $file->nextChar();
// Exception
} else {
// Unexpected EOF
if ($char == false) {
throw ExceptionFactory::createUnexpectedEOF(__FILE__, __LINE__, $file->getFileName(), $file->getCurrentLine());
// Unexpected Char
} else {
throw ExceptionFactory::createUnexpectedChar(__FILE__, __LINE__, $file->getFileName(), $file->getCurrentLine(), $char);
}
}
break;
case 2:
// From the second char after < onwards can be [a-zA-Z0-9] or _
if ($scanner->isAlpha($char) || $char == '_') {
$state = 2;
$ns .= $char;
$char = $file->nextChar();
// If the next char is :, we already have the namespace
} elseif ($char == ':') {
$state = 3;
$char = $file->nextChar();
// Exception
} else {
// Unexpected EOF
if ($char == false) {
throw ExceptionFactory::createUnexpectedEOF(__FILE__, __LINE__, $file->getFileName(), $file->getCurrentLine());
// Unexpected Char
} else {
throw ExceptionFactory::createUnexpectedChar(__FILE__, __LINE__, $file->getFileName(), $file->getCurrentLine(), $char);
}
}
break;
case 3:
// The first char after : can be [a-zA-Z] or _
if ($scanner->isLetter($char) || $char == '_') {
$state = 4;
$name .= $char;
$char = $file->nextChar();
// Exception
} else {
// Unexpected EOF
if ($char == false) {
throw ExceptionFactory::createUnexpectedEOF(__FILE__, __LINE__, $file->getFileName(), $file->getCurrentLine());
// Illegal space after :
} elseif ($scanner->isSpace($char)) {
throw ExceptionFactory::createIllegalSpace(__FILE__, __LINE__, $file->getFileName(), $file->getCurrentLine());
// Unexpected Char
} else {
throw ExceptionFactory::createUnexpectedChar(__FILE__, __LINE__, $file->getFileName(), $file->getCurrentLine(), $char);
}
}
break;
case 4:
// From the second char after : onwards can be [a-zA-Z0-9] or _
if ($scanner->isAlpha($char) || $char == '_') {
$state = 4;
$name .= $char;
$char = $file->nextChar();
// If the next char is \s, we got the name
} elseif ($scanner->isSpace($char)) {
break 2;
// If the next char is >, we got the T_END
} elseif ($char == '>') {
$file->goBack();
break 2;
// Exception
} else {
// Unexpected EOF
if ($char == false) {
throw ExceptionFactory::createUnexpectedEOF(__FILE__, __LINE__, $file->getFileName(), $file->getCurrentLine());
// Unexpected Char
} else {
throw ExceptionFactory::createUnexpectedChar(__FILE__, __LINE__, $file->getFileName(), $file->getCurrentLine(), $char);
}
}
break;
}
}
// Next lookAhead
$scanner->setLookAhead(Token::T_ATTRIBUTE | Token::T_END | Token::T_CLOSE);
// T_REGISTER
if ($ns == 'php' && $name == 'Register') {
return new TagToken(Token::T_REGISTER, $ns, $name);
}
// T_OPEN_TAG token found
return new TagToken(Token::T_OPEN_TAG, $ns, $name);
}
