<?php
require_once "StateMachine.class.php";
echo "StateMachine\n\n";
/* Set up: */
$state = new StateMachine();
$state->addState("idle")->addState("symbol")->addState("variable")->addState("doublequoted")->addState("singlequoted")->addState("escaped")->addEvent("idle", "dollarsign", "variable")->addEvent("idle", "doublequote", "doublequoted")->addEvent("idle", "singlequote", "singlequoted")->addEvent("idle", "alpha", "symbol")->addEvent("idle", "nonalpha", "symbol")->addEvent("symbol", "alpha", "symbol")->addEventAny("symbol", "idle")->addEvent("variable", "alpha", "variable")->addEventAny("variable")->addEvent("doublequoted", "escape", "escaped")->addEvent("doublequoted", "dollarsign", "variable")->addEvent("doublequoted", "doublequote", "idle")->addEvent("singlequoted", "singlequote", "idle")->addEvent("singlequoted", "singlequote", "idle")->addEventAny("escaped")->start("idle");
/* Example: */
$parse_this = "This text has some \"DOBLE QUOTED PARTS WITH \$vars AND \\e\\s\\capes ON IT\", along with some 'single quoted text too with futile e\\s\\c\\a\\p\\e\\s'\"(because they don't work on single quotes)\" and some \$variable_names\n";
echo $parse_this;
$triggers = array("\\" => "escape", '"' => "doublequote", "'" => "singlequote", '$' => "dollarsign");
// first character intentionally left blank to add 1 to position count of the
// rest
$alpha = " abcdefghijklmnñopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ_0123456789";
$stored = "";
for ($i = 0; $i < strlen($parse_this); $i++) {
$char = $parse_this[$i];
if (isset($triggers[$char])) {
$state->trigger($triggers[$char]);
} else {
$state->trigger(strpos($alpha, $char) ? "alpha" : "nonalpha");
}
if (!$state->changed() || $state->previous() == "escaped") {
$stored .= $char;
} elseif ($state->state() == "escaped") {
} else {
switch ($state->previous()) {
case "idle":
$stored = "";
break;
case "symbol":
/**
* New states are added to the end only
*
* @return void
*/
public function testNewStatesAreAddedToTheEnd()
{
$stateMachine = new StateMachine();
$stateMachine->addState("<?xml version=\"1.0\"?><listofitems><item id=\"1\" index=\"1\">First</item><item id=\"2\">Second</item></listofitems>");
$stateMachine->addState("<?xml version=\"1.0\"?><listofitems><item id=\"2\">second</item><item id=\"3\">Third</item></listofitems>");
$stateMachine->addState("<?xml version=\"1.0\"?><listofitems><item id=\"1\" index=\"1\">First</item><item id=\"2\">Second</item></listofitems>");
$stateMachine->addState("<?xml version=\"1.0\"?><listofitems><item id=\"4\">Fourth</item></listofitems>");
$this->assertEquals(true, $stateMachine->verifyIntegrity());
$stateMachine->addState("<?xml version=\"1.0\"?><listofitems><item id=\"5\">fifth</item><item id=\"3\">Third</item></listofitems>");
$this->assertXmlStringEqualsXmlString("<?xml version=\"1.0\"?><listofitems><item id=\"2\">second</item><item id=\"3\">Third</item></listofitems>", $stateMachine->getState(2));
$this->assertEquals(true, $stateMachine->verifyIntegrity());
}