X-Git-Url: https://git.mxchange.org/?p=core.git;a=blobdiff_plain;f=inc%2Fclasses%2Fmain%2Fclass_BaseFrameworkSystem.php;h=786bee6b6b8fa45963a9708bdf4b8b2f164d8d31;hp=ecca05012742e2f3eff381b42a470bfd0854bea6;hb=5fc2c45da7b1095ae800ef8060cc3b6737b58785;hpb=d2d62b98ebbdb8fa02376c08cec3badb9e48d459 diff --git a/inc/classes/main/class_BaseFrameworkSystem.php b/inc/classes/main/class_BaseFrameworkSystem.php index ecca0501..786bee6b 100644 --- a/inc/classes/main/class_BaseFrameworkSystem.php +++ b/inc/classes/main/class_BaseFrameworkSystem.php @@ -5,7 +5,7 @@ * * @author Roland Haeder * @version 0.0.0 - * @copyright Copyright (c) 2007, 2008 Roland Haeder, 2009 Core Developer Team + * @copyright Copyright (c) 2007, 2008 Roland Haeder, 2009 - 2011 Core Developer Team * @license GNU GPL 3.0 or any newer version * @link http://www.ship-simu.org * @@ -26,87 +26,147 @@ class BaseFrameworkSystem extends stdClass implements FrameworkInterface { /** * Instance of a request class */ - private $requestInstance = null; + private $requestInstance = NULL; /** * Instance of a response class */ - private $responseInstance = null; + private $responseInstance = NULL; /** * Search criteria instance */ - private $searchInstance = null; + private $searchInstance = NULL; /** * Update criteria instance */ - private $updateInstance = null; + private $updateInstance = NULL; /** * The file I/O instance for the template loader */ - private $fileIoInstance = null; + private $fileIoInstance = NULL; /** * Resolver instance */ - private $resolverInstance = null; + private $resolverInstance = NULL; /** * Template engine instance */ - private $templateInstance = null; + private $templateInstance = NULL; /** * Database result instance */ - private $resultInstance = null; + private $resultInstance = NULL; /** * Instance for user class */ - private $userInstance = null; + private $userInstance = NULL; /** * A controller instance */ - private $controllerInstance = null; + private $controllerInstance = NULL; /** * Instance of a RNG */ - private $rngInstance = null; + private $rngInstance = NULL; + + /** + * Instance of a crypto helper + */ + private $cryptoInstance = NULL; /** * Instance of an Iterator class */ - private $iteratorInstance = null; + private $iteratorInstance = NULL; /** * Instance of the list */ - private $listInstance = null; + private $listInstance = NULL; /** * Instance of a menu */ - private $menuInstance = null; + private $menuInstance = NULL; /** * Instance of the image */ - private $imageInstance = null; + private $imageInstance = NULL; /** * Instance of the stacker */ - private $stackerInstance = null; + private $stackerInstance = NULL; + + /** + * A Compressor instance + */ + private $compressorInstance = NULL; + + /** + * A Parseable instance + */ + private $parserInstance = NULL; + + /** + * A ProtocolHandler instance + */ + private $protocolInstance = NULL; + + /** + * A database wrapper instance + */ + private $databaseInstance = NULL; + + /** + * A helper instance for the form + */ + private $helperInstance = NULL; + + /** + * An instance of a Sourceable class + */ + private $sourceInstance = NULL; + + /** + * An instance of a InputStreamable class + */ + private $inputStreamInstance = NULL; + + /** + * An instance of a OutputStreamable class + */ + private $outputStreamInstance = NULL; + + /** + * Networkable handler instance + */ + private $handlerInstance = NULL; + + /** + * Visitor handler instance + */ + private $visitorInstance = NULL; /** * The real class name */ - private $realClass = 'BaseFrameworkSystem'; + private $realClass = 'BaseFrameworkSystem'; + + /** + * An instance of a database wrapper class + */ + private $wrapperInstance = NULL; /** * Thousands seperator @@ -118,9 +178,20 @@ class BaseFrameworkSystem extends stdClass implements FrameworkInterface { */ private $decimals = ','; // German + /** + * Socket resource + */ + private $socketResource = false; + + /** + * Package data + */ + private $packageData = array(); + /*********************** * Exception codes.... * ***********************/ + // @todo Try to clean these constants up const EXCEPTION_IS_NULL_POINTER = 0x001; const EXCEPTION_IS_NO_OBJECT = 0x002; @@ -167,8 +238,7 @@ class BaseFrameworkSystem extends stdClass implements FrameworkInterface { const EXCEPTION_ATTRIBUTES_ARE_MISSING = 0x02b; const EXCEPTION_ARRAY_ELEMENTS_MISSING = 0x02c; const EXCEPTION_TEMPLATE_ENGINE_UNSUPPORTED = 0x02d; - const EXCEPTION_MISSING_LANGUAGE_HANDLER = 0x02e; - const EXCEPTION_MISSING_FILE_IO_HANDLER = 0x02f; + const EXCEPTION_UNSPPORTED_OPERATION = 0x02e; const EXCEPTION_MISSING_ELEMENT = 0x030; const EXCEPTION_HEADERS_ALREADY_SENT = 0x031; const EXCEPTION_DEFAULT_CONTROLLER_GONE = 0x032; @@ -181,6 +251,55 @@ class BaseFrameworkSystem extends stdClass implements FrameworkInterface { const EXCEPTION_DATABASE_UPDATED_NOT_ALLOWED = 0x039; const EXCEPTION_FILTER_CHAIN_INTERCEPTED = 0x040; + /** + * Hexadecimal->Decimal translation array + */ + private static $hexdec = array( + '0' => 0, + '1' => 1, + '2' => 2, + '3' => 3, + '4' => 4, + '5' => 5, + '6' => 6, + '7' => 7, + '8' => 8, + '9' => 9, + 'a' => 10, + 'b' => 11, + 'c' => 12, + 'd' => 13, + 'e' => 14, + 'f' => 15 + ); + + /** + * Decimal->hexadecimal translation array + */ + private static $dechex = array( + 0 => '0', + 1 => '1', + 2 => '2', + 3 => '3', + 4 => '4', + 5 => '5', + 6 => '6', + 7 => '7', + 8 => '8', + 9 => '9', + 10 => 'a', + 11 => 'b', + 12 => 'c', + 13 => 'd', + 14 => 'e', + 15 => 'f' + ); + + /** + * Startup time in miliseconds + */ + private static $startupTime = 0; + /** * Protected super constructor * @@ -191,18 +310,23 @@ class BaseFrameworkSystem extends stdClass implements FrameworkInterface { // Set real class $this->setRealClass($className); - // Set configuration instance if no registry + // Set configuration instance if no registry ... if (!$this instanceof Register) { - // Because registries doesn't need to be configured + // ... because registries doesn't need to be configured $this->setConfigInstance(FrameworkConfiguration::getInstance()); } // END - if + + // Is the startup time set? (0 cannot be true anymore) + if (self::$startupTime == 0) { + // Then set it + self::$startupTime = microtime(true); + } // END - if } /** - * Destructor reached... + * Destructor for all classes * * @return void - * @todo This is old code. Do we still need this old lost code? */ public function __destruct() { // Flush any updated entries to the database @@ -222,8 +346,10 @@ class BaseFrameworkSystem extends stdClass implements FrameworkInterface { } /** - * The call method where all non-implemented methods end up + * The __call() method where all non-implemented methods end up * + * @param $methodName Name of the missing method + * @args $args Arguments passed to the method * @return void */ public final function __call ($methodName, $args) { @@ -239,7 +365,9 @@ class BaseFrameworkSystem extends stdClass implements FrameworkInterface { $argsString .= $this->replaceControlCharacters($arg) . ' (' . gettype($arg); // Add length if type is string - if (gettype($arg) == 'string') $argsString .= ', '.strlen($arg); + if (is_string($arg)) { + $argsString .= ', '.strlen($arg); + } // END - if // Closing bracket $argsString .= '), '; @@ -265,6 +393,54 @@ class BaseFrameworkSystem extends stdClass implements FrameworkInterface { return null; } + /** + * Getter for $realClass + * + * @return $realClass The name of the real class (not BaseFrameworkSystem) + */ + public function __toString () { + return $this->realClass; + } + + /** + * Magic function to catch setting of missing but set class fields/attributes + * + * @param $name Name of the field/attribute + * @param $value Value to store + * @return void + */ + public final function __set ($name, $value) { + $this->debugBackTrace(sprintf("Tried to set a missing field. name=%s, value[%s]=%s", + $name, + gettype($value), + $value + )); + } + + /** + * Magic function to catch getting of missing fields/attributes + * + * @param $name Name of the field/attribute + * @return void + */ + public final function __get ($name) { + $this->debugBackTrace(sprintf("Tried to get a missing field. name=%s", + $name + )); + } + + /** + * Magic function to catch unsetting of missing fields/attributes + * + * @param $name Name of the field/attribute + * @return void + */ + public final function __unset ($name) { + $this->debugBackTrace(sprintf("Tried to unset a missing field. name=%s", + $name + )); + } + /** * Setter for database result instance * @@ -345,7 +521,7 @@ class BaseFrameworkSystem extends stdClass implements FrameworkInterface { /** * Setter for resolver instance * - * @param $resolverInstance Instance of a command resolver class + * @param $resolverInstance Instance of a command resolver class * @return void */ public final function setResolverInstance (Resolver $resolverInstance) { @@ -355,7 +531,7 @@ class BaseFrameworkSystem extends stdClass implements FrameworkInterface { /** * Getter for resolver instance * - * @return $resolverInstance Instance of a command resolver class + * @return $resolverInstance Instance of a command resolver class */ public final function getResolverInstance () { return $this->resolverInstance; @@ -428,25 +604,24 @@ class BaseFrameworkSystem extends stdClass implements FrameworkInterface { /** * Setter for database instance * - * @param $dbInstance The instance for the database connection - * (forced DatabaseConnection) + * @param $databaseInstance The instance for the database connection (forced DatabaseConnection) * @return void */ - public final function setDatabaseInstance (DatabaseConnection $dbInstance) { - Registry::getRegistry()->addInstance('db_instance', $dbInstance); + public final function setDatabaseInstance (DatabaseConnection $databaseInstance) { + Registry::getRegistry()->addInstance('db_instance', $databaseInstance); } /** * Getter for database layer * - * @return $dbInstance The database layer instance + * @return $databaseInstance The database layer instance */ public final function getDatabaseInstance () { // Get instance - $dbInstance = Registry::getRegistry()->getInstance('db_instance'); + $databaseInstance = Registry::getRegistry()->getInstance('db_instance'); // Return instance - return $dbInstance; + return $databaseInstance; } /** @@ -527,15 +702,6 @@ class BaseFrameworkSystem extends stdClass implements FrameworkInterface { return $this->responseInstance; } - /** - * Getter for $realClass - * - * @return $realClass The name of the real class (not BaseFrameworkSystem) - */ - public final function __toString () { - return $this->realClass; - } - /** * Setter for the real class name * @@ -566,7 +732,18 @@ class BaseFrameworkSystem extends stdClass implements FrameworkInterface { )); // Return the result - return $result; + return $equals; + } + + /** + * Generates a generic hash code of this class. You should really overwrite + * this method with your own hash code generator code. But keep KISS in mind. + * + * @return $hashCode A generic hash code respresenting this whole class + */ + public function hashCode () { + // Simple hash code + return crc32($this->__toString()); } /** @@ -586,7 +763,7 @@ class BaseFrameworkSystem extends stdClass implements FrameworkInterface { if ((!isset($this->decimals)) || (!isset($this->thousands))) { // Throw an exception throw new MissingDecimalsThousandsSeperatorException($this, self::EXCEPTION_ATTRIBUTES_ARE_MISSING); - } + } // END - if // Cast the number $value = (float) $value; @@ -627,7 +804,11 @@ class BaseFrameworkSystem extends stdClass implements FrameworkInterface { */ public final function addMissingTrailingSlash ($str) { // Is there a trailing slash? - if (substr($str, -1, 1) != '/') $str .= '/'; + if (substr($str, -1, 1) != '/') { + $str .= '/'; + } // END - if + + // Return string with trailing slash return $str; } @@ -654,42 +835,27 @@ class BaseFrameworkSystem extends stdClass implements FrameworkInterface { * Prepare the template engine (WebTemplateEngine by default) for a given * application helper instance (ApplicationHelper by default). * - * @param $appInstance An application helper instance or + * @param $applicationInstance An application helper instance or * null if we shall use the default - * @return $templateInstance The template engine instance - * @throws NullPointerException If the template engine could not - * be initialized - * @throws UnsupportedTemplateEngineException If $templateInstance is an - * unsupported template engine - * @throws MissingLanguageHandlerException If the language sub-system - * is not yet initialized + * @return $templateInstance The template engine instance * @throws NullPointerException If the discovered application * instance is still null */ - protected function prepareTemplateInstance (FrameworkInterface $appInstance=null) { + protected function prepareTemplateInstance (ManageableApplication $applicationInstance = NULL) { // Is the application instance set? - if (is_null($appInstance)) { + if (is_null($applicationInstance)) { // Get the current instance - $appInstance = $this->getApplicationInstance(); + $applicationInstance = $this->getApplicationInstance(); // Still null? - if (is_null($appInstance)) { + if (is_null($applicationInstance)) { // Thrown an exception throw new NullPointerException($this, self::EXCEPTION_IS_NULL_POINTER); } // END - if } // END - if - // Are both instances set? - if ($appInstance->getLanguageInstance() === null) { - // Invalid language instance - throw new MissingLanguageHandlerException($appInstance, self::EXCEPTION_MISSING_LANGUAGE_HANDLER); - } elseif ($appInstance->getFileIoInstance() === null) { - // Invalid language instance - throw new MissingFileIoHandlerException($appInstance, self::EXCEPTION_MISSING_FILE_IO_HANDLER); - } - // Initialize the template engine - $templateInstance = ObjectFactory::createObjectByConfiguredName('web_template_class', array($appInstance)); + $templateInstance = ObjectFactory::createObjectByConfiguredName('web_template_class'); // Return the prepared instance return $templateInstance; @@ -740,9 +906,9 @@ class BaseFrameworkSystem extends stdClass implements FrameworkInterface { protected function replaceControlCharacters ($str) { // Replace them $str = str_replace( - "\r", '[r]', str_replace( - "\n", '[n]', str_replace( - "\t", '[t]', + chr(13), '[r]', str_replace( + chr(10), '[n]', str_replace( + chr(9) , '[t]', $str ))); @@ -763,7 +929,7 @@ class BaseFrameworkSystem extends stdClass implements FrameworkInterface { // Generate the class::method string $methodName = 'UnknownClass->unknownMethod'; if ((isset($backtrace[1]['class'])) && (isset($backtrace[1]['function']))) { - $methodName = $backtrace[1]['class']."->".$backtrace[1]['function']; + $methodName = $backtrace[1]['class'] . '->' . $backtrace[1]['function']; } // END - if // Construct the full message @@ -783,17 +949,23 @@ class BaseFrameworkSystem extends stdClass implements FrameworkInterface { $this->debugOutput($stubMessage); } else { // Trigger an error - trigger_error($stubMessage."
\n"); + trigger_error($stubMessage . "
\n"); } } /** * Outputs a debug backtrace and stops further script execution * + * @param $message An optional message to output * @return void */ - public function debugBackTrace () { + public function debugBackTrace ($message = '') { // Sorry, there is no other way getting this nice backtrace + if (!empty($message)) { + // Output message + printf("Message: %s
\n", $message); + } // END - if + print("
\n");
 		debug_print_backtrace();
 		print("
"); @@ -815,11 +987,22 @@ class BaseFrameworkSystem extends stdClass implements FrameworkInterface { if (is_object($debugInstance)) { // Use debug output handler $debugInstance->output($message); - if ($doPrint === false) die(); // Die here if not printed + + if ($doPrint === false) { + // Die here if not printed + die(); + } // END - if } else { // Put directly out if ($doPrint === true) { - print($message); + // Are debug times enabled? + if ($this->getConfigInstance()->getConfigEntry('debug_output_timings') == 'Y') { + // Output it first + print($this->getPrintableExecutionTime()); + } // END - if + + // Print message + print($message . chr(10)); } else { // DO NOT REWRITE THIS TO app_die() !!! die($message); @@ -889,7 +1072,7 @@ class BaseFrameworkSystem extends stdClass implements FrameworkInterface { } // END - if // Add line number to the code - foreach (explode("\n", $phpCode) as $lineNo => $code) { + foreach (explode(chr(10), $phpCode) as $lineNo => $code) { // Add line numbers $markedCode .= sprintf("%s: %s\n", ($lineNo + 1), @@ -1009,7 +1192,7 @@ class BaseFrameworkSystem extends stdClass implements FrameworkInterface { */ public final function getField ($fieldName) { // Default field value - $fieldValue = null; + $fieldValue = NULL; // Get result instance $resultInstance = $this->getResultInstance(); @@ -1110,7 +1293,7 @@ class BaseFrameworkSystem extends stdClass implements FrameworkInterface { $this->debugOutput($message); } else { // Trigger an error - trigger_error($message."
\n"); + trigger_error($message . "
\n"); } } else { // @TODO Finish this part! @@ -1118,17 +1301,6 @@ class BaseFrameworkSystem extends stdClass implements FrameworkInterface { } } - /** - * Generates a generic hash code of this class. You should really overwrite - * this method with your own hash code generator code. But keep KISS in mind. - * - * @return $hashCode A generic hash code respresenting this whole class - */ - public function hashCode () { - // Simple hash code - return crc32($this->__toString()); - } - /** * Checks wether the given PHP extension is loaded * @@ -1162,6 +1334,25 @@ class BaseFrameworkSystem extends stdClass implements FrameworkInterface { return $this->rngInstance; } + /** + * Setter for Cryptable instance + * + * @param $cryptoInstance An instance of a Cryptable class + * @return void + */ + protected final function setCryptoInstance (Cryptable $cryptoInstance) { + $this->cryptoInstance = $cryptoInstance; + } + + /** + * Getter for Cryptable instance + * + * @return $cryptoInstance An instance of a Cryptable class + */ + public final function getCryptoInstance () { + return $this->cryptoInstance; + } + /** * Setter for Iterator instance * @@ -1209,8 +1400,8 @@ class BaseFrameworkSystem extends stdClass implements FrameworkInterface { // Get current time and add idle time $sleepUntil = $this->getMilliTime() + abs($milliSeconds) / 1000; - // New PHP 5.1.0 function found - $hasSlept = time_sleep_until($sleepUntil); + // New PHP 5.1.0 function found, ignore errors + $hasSlept = @time_sleep_until($sleepUntil); } else { // My Sun Station doesn't have that function even with latest PHP // package. :( @@ -1260,7 +1451,7 @@ class BaseFrameworkSystem extends stdClass implements FrameworkInterface { } /** - * Setter for image instanxe + * Setter for image instance * * @param $imageInstance An instance of an image * @return void @@ -1270,7 +1461,7 @@ class BaseFrameworkSystem extends stdClass implements FrameworkInterface { } /** - * Getter for image instanxe + * Getter for image instance * * @return $imageInstance An instance of an image */ @@ -1279,7 +1470,7 @@ class BaseFrameworkSystem extends stdClass implements FrameworkInterface { } /** - * Setter for stacker instanxe + * Setter for stacker instance * * @param $stackerInstance An instance of an stacker * @return void @@ -1289,13 +1480,489 @@ class BaseFrameworkSystem extends stdClass implements FrameworkInterface { } /** - * Getter for stacker instanxe + * Getter for stacker instance * * @return $stackerInstance An instance of an stacker */ public final function getStackerInstance () { return $this->stackerInstance; } + + /** + * Setter for compressor instance + * + * @param $compressorInstance An instance of an compressor + * @return void + */ + public final function setCompressorInstance (Compressor $compressorInstance) { + $this->compressorInstance = $compressorInstance; + } + + /** + * Getter for compressor instance + * + * @return $compressorInstance An instance of an compressor + */ + public final function getCompressorInstance () { + return $this->compressorInstance; + } + + /** + * Setter for Parseable instance + * + * @param $parserInstance An instance of an Parseable + * @return void + */ + public final function setParserInstance (Parseable $parserInstance) { + $this->parserInstance = $parserInstance; + } + + /** + * Getter for Parseable instance + * + * @return $parserInstance An instance of an Parseable + */ + public final function getParserInstance () { + return $this->parserInstance; + } + + /** + * Setter for ProtocolHandler instance + * + * @param $protocolInstance An instance of an ProtocolHandler + * @return void + */ + public final function setProtocolInstance (ProtocolHandler $protocolInstance = NULL) { + $this->protocolInstance = $protocolInstance; + } + + /** + * Getter for ProtocolHandler instance + * + * @return $protocolInstance An instance of an ProtocolHandler + */ + public final function getProtocolInstance () { + return $this->protocolInstance; + } + + /** + * Setter for BaseDatabaseWrapper instance + * + * @param $wrapperInstance An instance of an BaseDatabaseWrapper + * @return void + */ + public final function setWrapperInstance (BaseDatabaseWrapper $wrapperInstance) { + $this->wrapperInstance = $wrapperInstance; + } + + /** + * Getter for BaseDatabaseWrapper instance + * + * @return $wrapperInstance An instance of an BaseDatabaseWrapper + */ + public final function getWrapperInstance () { + return $this->wrapperInstance; + } + + /** + * Setter for socket resource + * + * @param $socketResource A valid socket resource + * @return void + */ + public final function setSocketResource ($socketResource) { + $this->socketResource = $socketResource; + } + + /** + * Getter for socket resource + * + * @return $socketResource A valid socket resource + */ + public function getSocketResource () { + return $this->socketResource; + } + + /** + * Setter for helper instance + * + * @param $helperInstance An instance of a helper class + * @return void + */ + protected final function setHelperInstance (Helper $helperInstance) { + $this->helperInstance = $helperInstance; + } + + /** + * Getter for helper instance + * + * @return $helperInstance An instance of a helper class + */ + public final function getHelperInstance () { + return $this->helperInstance; + } + + /** + * Setter for a Sourceable instance + * + * @param $sourceInstance The Sourceable instance + * @return void + */ + protected final function setSourceInstance (Sourceable $sourceInstance) { + $this->sourceInstance = $sourceInstance; + } + + /** + * Getter for a Sourceable instance + * + * @return $sourceInstance The Sourceable instance + */ + protected final function getSourceInstance () { + return $this->sourceInstance; + } + + /** + * Getter for a InputStreamable instance + * + * @param $inputStreamInstance The InputStreamable instance + */ + protected final function getInputStreamInstance () { + return $this->inputStreamInstance; + } + + /** + * Setter for a InputStreamable instance + * + * @param $inputStreamInstance The InputStreamable instance + * @return void + */ + protected final function setInputStreamInstance (InputStreamable $inputStreamInstance) { + $this->inputStreamInstance = $inputStreamInstance; + } + + /** + * Getter for a OutputStreamable instance + * + * @param $outputStreamInstance The OutputStreamable instance + */ + protected final function getOutputStreamInstance () { + return $this->outputStreamInstance; + } + + /** + * Setter for a OutputStreamable instance + * + * @param $outputStreamInstance The OutputStreamable instance + * @return void + */ + protected final function setOutputStreamInstance (OutputStreamable $outputStreamInstance) { + $this->outputStreamInstance = $outputStreamInstance; + } + + /** + * Setter for handler instance + * + * @param $handlerInstance A Networkable instance + * @return void + */ + protected final function setHandlerInstance (Networkable $handlerInstance) { + $this->handlerInstance = $handlerInstance; + } + + /** + * Getter for handler instance + * + * @return $handlerInstance A Networkable instance + */ + protected final function getHandlerInstance () { + return $this->handlerInstance; + } + + /** + * Setter for visitor instance + * + * @param $visitorInstance A Visitor instance + * @return void + */ + protected final function setVisitorInstance (Visitor $visitorInstance) { + $this->visitorInstance = $visitorInstance; + } + + /** + * Getter for visitor instance + * + * @return $visitorInstance A Visitor instance + */ + protected final function getVisitorInstance () { + return $this->visitorInstance; + } + + /** + * Setter for raw package Data + * + * @param $packageData Raw package Data + * @return void + */ + public final function setPackageData (array $packageData) { + $this->packageData = $packageData; + } + + /** + * Getter for raw package Data + * + * @return $packageData Raw package Data + */ + public function getPackageData () { + return $this->packageData; + } + + /** + * Converts a hexadecimal string, even with negative sign as first string to + * a decimal number using BC functions. + * + * This work is based on comment #86673 on php.net documentation page at: + * + * + * @param $hex Hexadecimal string + * @return $dec Decimal number + */ + protected function hex2dec ($hex) { + // Convert to all lower-case + $hex = strtolower($hex); + + // Detect sign (negative/positive numbers) + $sign = ''; + if (substr($hex, 0, 1) == '-') { + $sign = '-'; + $hex = substr($hex, 1); + } // END - if + + // Decode the hexadecimal string into a decimal number + $dec = 0; + for ($i = strlen($hex) - 1, $e = 1; $i >= 0; $i--, $e = bcmul($e, 16)) { + $factor = self::$hexdec[substr($hex, $i, 1)]; + $dec = bcadd($dec, bcmul($factor, $e)); + } // END - for + + // Return the decimal number + return $sign . $dec; + } + + /** + * Converts even very large decimal numbers, also with negative sign, to a + * hexadecimal string. + * + * This work is based on comment #97756 on php.net documentation page at: + * + * + * @param $dec Decimal number, even with negative sign + * @param $maxLength Optional maximum length of the string + * @return $hex Hexadecimal string + */ + protected function dec2hex ($dec, $maxLength = 0) { + // maxLength can be zero or devideable by 2 + assert(($maxLength == 0) || (($maxLength % 2) == 0)); + + // Detect sign (negative/positive numbers) + $sign = ''; + if ($dec < 0) { + $sign = '-'; + $dec = abs($dec); + } // END - if + + // Encode the decimal number into a hexadecimal string + $hex = ''; + do { + $hex = self::$dechex[($dec % 16)] . $hex; + $dec /= 16; + } while ($dec >= 1); + + /* + * We need hexadecimal strings with leading zeros if the length cannot + * be divided by 2 + */ + if ($maxLength > 0) { + // Prepend more zeros + $hex = $this->prependStringToString($hex, '0', $maxLength); + } elseif ((strlen($hex) % 2) != 0) { + $hex = '0' . $hex; + } + + // Return the hexadecimal string + return $sign . $hex; + } + + /** + * Converts a ASCII string (0 to 255) into a decimal number. + * + * @param $asc The ASCII string to be converted + * @return $dec Decimal number + */ + protected function asc2dec ($asc) { + // Convert it into a hexadecimal number + $hex = bin2hex($asc); + + // And back into a decimal number + $dec = $this->hex2dec($hex); + + // Return it + return $dec; + } + + /** + * Converts a decimal number into an ASCII string. + * + * @param $dec Decimal number + * @return $asc An ASCII string + */ + protected function dec2asc ($dec) { + // First convert the number into a hexadecimal string + $hex = $this->dec2hex($dec); + + // Then convert it into the ASCII string + $asc = $this->hex2asc($hex); + + // Return it + return $asc; + } + + /** + * Converts a hexadecimal number into an ASCII string. Negative numbers + * are not allowed. + * + * @param $hex Hexadecimal string + * @return $asc An ASCII string + */ + protected function hex2asc ($hex) { + // Check for length, it must be devideable by 2 + //* DEBUG: */ $this->debugOutput('hex='.$hex); + assert((strlen($hex) % 2) == 0); + + // Walk the string + $asc = ''; + for ($idx = 0; $idx < strlen($hex); $idx+=2) { + // Get the decimal number of the chunk + $part = hexdec(substr($hex, $idx, 2)); + + // Add it to the final string + $asc .= chr($part); + } // END - for + + // Return the final string + return $asc; + } + + /** + * Prepends a given string $prepend to $str with a given total length + * + * @param $str Given original string which should be prepended + * @param $prepend The string to prepend + * @param $length Total length of the final string + * @return $strFinal Final prepended string + */ + protected function prependStringToString ($str, $prepend, $length) { + // Set final string to original string by default + $strFinal = $str; + + // Can it devided + if (strlen($str) < $length) { + // Difference between total length and length of original string + $diff = $length - strlen($str); + + // Prepend the string + $prepend = str_repeat($prepend, ($diff / strlen($prepend) + 1)); + + // Make sure it will definedly fit + assert(strlen($prepend) >= $diff); + + // Cut it a little down + $prepend = substr($prepend, 0, $diff); + //* DEBUG: */ $this->debugOutput('prepend('.strlen($prepend).')='.$prepend.',diff='.$diff.',length='.$length); + + // Construct the final prepended string + $strFinal = $prepend . $str; + } // END - if + + // Return it + return $strFinal; + } + + /** + * Checks wether the given encoded data was encoded with Base64 + * + * @param $encodedData Encoded data we shall check + * @return $isBase64 Wether the encoded data is Base64 + */ + protected function isBase64Encoded ($encodedData) { + // Determine it + $isBase64 = (@base64_decode($encodedData, true) !== false); + + // Return it + return $isBase64; + } + + /** + * "Getter" to get response/request type from analysis of the system. + * + * @return $responseType Analyzed response type + */ + protected function getResponseTypeFromSystem () { + // Default is console + $responseType = 'console'; + + // Is 'HTTP_HOST' set? + if (isset($_SERVER['HTTP_HOST'])) { + // Then it is a HTTP response/request + $responseType = 'http'; + } // END - if + + // Return it + return $responseType; + } + + /** + * Gets a cache key from Criteria instance + * + * @param $criteriaInstance An instance of a Criteria class + * @param $onlyKeys Only use these keys for a cache key + * @return $cacheKey A cache key suitable for lookup/storage purposes + */ + protected function getCacheKeyByCriteria (Criteria $criteriaInstance, $onlyKeys = array()) { + // Generate it + $cacheKey = sprintf("%s@%s", + $this->__toString(), + $criteriaInstance->getCacheKey($onlyKeys) + ); + + // And return it + //* NOISY-DEBUG: */ $this->debugOutput($this->__toString() . ': cacheKey=' . $cacheKey); + return $cacheKey; + } + + /** + * Getter for startup time in miliseconds + * + * @return $startupTime Startup time in miliseconds + */ + protected function getStartupTime () { + return self::$startupTime; + } + + /** + * "Getter" for a printable currently execution time in nice braces + * + * @return $executionTime Current execution time in nice braces + */ + protected function getPrintableExecutionTime () { + // Caculate the execution time + $executionTime = microtime(true) - $this->getStartupTime(); + + // Pack it in nice braces + $executionTime = sprintf('[ %01.3f ] ', $executionTime); + + // And return it + return $executionTime; + } } // [EOF]