public function __construct(&$parser)
{
// Call parent constructor.
parent::__construct($parser);
//Set up the state machine and pattern matches for transitions.
// Patterns to handle strings of the form datefrom:foo
// If we see the string datefrom: while in the base accept state, start
// parsing a username and go to the indatefrom state.
$this->addEntryPattern("datefrom:\\S+", "accept", "indatefrom");
// Snarf everything into the username until we see whitespace, then exit
// back to the base accept state.
$this->addExitPattern("\\s", "indatefrom");
// Patterns to handle strings of the form dateto:foo
// If we see the string dateto: while in the base accept state, start
// parsing a username and go to the indateto state.
$this->addEntryPattern("dateto:\\S+", "accept", "indateto");
// Snarf everything into the username until we see whitespace, then exit
// back to the base accept state.
$this->addExitPattern("\\s", "indateto");
// Patterns to handle strings of the form instance:foo
// If we see the string instance: while in the base accept state, start
// parsing for instance number and go to the ininstance state.
$this->addEntryPattern("instance:\\S+", "accept", "ininstance");
// Snarf everything into the username until we see whitespace, then exit
// back to the base accept state.
$this->addExitPattern("\\s", "ininstance");
// Patterns to handle strings of the form userid:foo
// If we see the string userid: while in the base accept state, start
// parsing a username and go to the inuserid state.
$this->addEntryPattern("userid:\\S+", "accept", "inuserid");
// Snarf everything into the username until we see whitespace, then exit
// back to the base accept state.
$this->addExitPattern("\\s", "inuserid");
// Patterns to handle strings of the form user:foo
// If we see the string user: while in the base accept state, start
// parsing a username and go to the inusername state.
$this->addEntryPattern("user:\\S+", "accept", "inusername");
// Snarf everything into the username until we see whitespace, then exit
// back to the base accept state.
$this->addExitPattern("\\s", "inusername");
// Patterns to handle strings of the form meta:foo
// If we see the string meta: while in the base accept state, start
// parsing a username and go to the inmeta state.
$this->addEntryPattern("subject:\\S+", "accept", "inmeta");
// Snarf everything into the meta token until we see whitespace, then exit
// back to the base accept state.
$this->addExitPattern("\\s", "inmeta");
// Patterns to handle required exact match strings (+foo) .
// If we see a + sign while in the base accept state, start
// parsing an exact match string and enter the inrequired state
$this->addEntryPattern("\\+\\S+", "accept", "inrequired");
// When we see white space, exit back to accept state.
$this->addExitPattern("\\s", "inrequired");
// Handle excluded strings (-foo)
// If we see a - sign while in the base accept state, start
// parsing an excluded string and enter the inexcluded state
$this->addEntryPattern("\\-\\S+", "accept", "inexcluded");
// When we see white space, exit back to accept state.
$this->addExitPattern("\\s", "inexcluded");
// Patterns to handle quoted strings.
// If we see a quote while in the base accept state, start
// parsing a quoted string and enter the inquotedstring state.
// Grab everything until we see the closing quote.
$this->addEntryPattern("\"[^\"]+", "accept", "inquotedstring");
// When we see a closing quote, reenter the base accept state.
$this->addExitPattern("\"", "inquotedstring");
// Patterns to handle ordinary, nonquoted words.
// When we see non-whitespace, snarf everything into the nonquoted word
// until we see whitespace again.
$this->addEntryPattern("\\S+", "accept", "plainstring");
// Once we see whitespace, reenter the base accept state.
$this->addExitPattern("\\s", "plainstring");
}
public function __construct($input)
{
parent::__construct($input);
}
/**
* Construct the Parser object
*/
public function __construct()
{
parent::__construct();
$this->memory = new Memory();
$this->extension_manager = new ExtensionManager($this);
}