public function testLetter()
{
$scanner = new Scanner(new File(FILES_DIR . 'empty_file'));
$this->assertFalse($scanner->isLetter(''));
$this->assertFalse($scanner->isLetter('-'));
$this->assertFalse($scanner->isLetter(9));
$this->assertFalse($scanner->isLetter('9'));
$this->assertTrue($scanner->isLetter('a'));
$this->assertTrue($scanner->isLetter('A'));
}
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);
}
