Some optimisation to make the sure the
content is only scanned by the PHP regex
parser once. Lexer modes must not start
with leading underscores.
/**
* Sets up the lexer with case insensitive matching
* and adds the HTML handlers.
* @param SimpleSaxParser $parser Handling strategy by
* reference.
* @access public
*/
function __construct($parser, $tags = null)
{
if (is_array($tags)) {
$this->parsedTags = $tags;
}
parent::__construct($parser, 'text');
$this->mapHandler('text', 'acceptTextToken');
$this->addSkipping();
foreach ($this->getParsedTags() as $tag) {
$this->addTag($tag);
}
$this->addInTagTokens();
}
/**
* Sets up the lexer with case insensitive matching
* and adds the HTML handlers.
* @param SimpleSaxParser $parser Handling strategy by
* reference.
* @access public
*/
function __construct($parser)
{
parent::__construct($parser, 'text');
$this->mapHandler('text', 'acceptTextToken');
$this->addSkipping();
foreach ($this->getParsedTags() as $tag) {
$this->addTag($tag);
}
$this->addInTagTokens();
}
/**
* Matches attributes that are either single quoted,
* double quoted or unquoted.
* @param SimpleLexer $lexer Lexer to add patterns to.
* @access private
* @static
*/
function _addAttributeTokens(&$lexer)
{
$lexer->mapHandler('dq_attribute', 'acceptAttributeToken');
$lexer->addEntryPattern('=\\s*"', 'tag', 'dq_attribute');
$lexer->addPattern("\\\\\"", 'dq_attribute');
$lexer->addExitPattern('"', 'dq_attribute');
$lexer->mapHandler('sq_attribute', 'acceptAttributeToken');
$lexer->addEntryPattern("=\\s*'", 'tag', 'sq_attribute');
$lexer->addPattern("\\\\'", 'sq_attribute');
$lexer->addExitPattern("'", 'sq_attribute');
$lexer->mapHandler('uq_attribute', 'acceptAttributeToken');
$lexer->addSpecialPattern('=\\s*[^>\\s]*', 'tag', 'uq_attribute');
}
function testModeMapping()
{
$handler = new MockTestParser();
$handler->setReturnValue("a", true);
$handler->expectAt(0, "a", array("aa", LEXER_MATCHED));
$handler->expectAt(1, "a", array("(", LEXER_ENTER));
$handler->expectAt(2, "a", array("bb", LEXER_MATCHED));
$handler->expectAt(3, "a", array("a", LEXER_UNMATCHED));
$handler->expectAt(4, "a", array("bb", LEXER_MATCHED));
$handler->expectAt(5, "a", array(")", LEXER_EXIT));
$handler->expectAt(6, "a", array("b", LEXER_UNMATCHED));
$handler->expectCallCount("a", 7);
$lexer = new SimpleLexer($handler, "mode_a");
$lexer->addPattern("a+", "mode_a");
$lexer->addEntryPattern("(", "mode_a", "mode_b");
$lexer->addPattern("b+", "mode_b");
$lexer->addExitPattern(")", "mode_b");
$lexer->mapHandler("mode_a", "a");
$lexer->mapHandler("mode_b", "a");
$this->assertTrue($lexer->parse("aa(bbabb)b"));
}
public function testModeMapping()
{
$handler = new MockTestParser();
$handler->returnsByValue('a', true);
$handler->expectAt(0, 'a', array('aa', LEXER_MATCHED));
$handler->expectAt(1, 'a', array('(', LEXER_ENTER));
$handler->expectAt(2, 'a', array('bb', LEXER_MATCHED));
$handler->expectAt(3, 'a', array('a', LEXER_UNMATCHED));
$handler->expectAt(4, 'a', array('bb', LEXER_MATCHED));
$handler->expectAt(5, 'a', array(')', LEXER_EXIT));
$handler->expectAt(6, 'a', array('b', LEXER_UNMATCHED));
$handler->expectCallCount('a', 7);
$lexer = new SimpleLexer($handler, 'mode_a');
$lexer->addPattern('a+', 'mode_a');
$lexer->addEntryPattern('(', 'mode_a', 'mode_b');
$lexer->addPattern('b+', 'mode_b');
$lexer->addExitPattern(')', 'mode_b');
$lexer->mapHandler('mode_a', 'a');
$lexer->mapHandler('mode_b', 'a');
$this->assertTrue($lexer->parse('aa(bbabb)b'));
}
