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<?php
/*
* $Id: Phing.php,v 1.51 2006/01/06 15:12:33 hlellelid Exp $
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* This software consists of voluntary contributions made by many individuals
* and is licensed under the LGPL. For more information please see
* <http://phing.info>.
*/
require_once 'phing/Project.php';
require_once 'phing/ProjectComponent.php';
require_once 'phing/Target.php';
require_once 'phing/Task.php';
include_once 'phing/BuildException.php';
include_once 'phing/BuildEvent.php';
include_once 'phing/parser/Location.php';
include_once 'phing/parser/ExpatParser.php';
include_once 'phing/parser/AbstractHandler.php';
include_once 'phing/parser/ProjectConfigurator.php';
include_once 'phing/parser/RootHandler.php';
include_once 'phing/parser/ProjectHandler.php';
include_once 'phing/parser/TaskHandler.php';
include_once 'phing/parser/TargetHandler.php';
include_once 'phing/parser/DataTypeHandler.php';
include_once 'phing/parser/NestedElementHandler.php';
include_once 'phing/system/util/Properties.php';
include_once 'phing/util/StringHelper.php';
include_once 'phing/system/io/PhingFile.php';
include_once 'phing/system/io/FileReader.php';
include_once 'phing/system/util/Register.php';
/**
* Entry point into Phing. This class handles the full lifecycle of a build -- from
* parsing & handling commandline arguments to assembling the project to shutting down
* and cleaning up in the end.
*
* If you are invoking Phing from an external application, this is still
* the class to use. Your applicaiton can invoke the start() method, passing
* any commandline arguments or additional properties.
*
* @author Andreas Aderhold <andi@binarycloud.com>
* @author Hans Lellelid <hans@xmpl.org>
* @version $Revision: 1.51 $
* @package phing
*/
class Phing {
/** The default build file name */
const DEFAULT_BUILD_FILENAME = "build.xml";
/** Our current message output status. Follows PROJECT_MSG_XXX */
private static $msgOutputLevel = PROJECT_MSG_INFO;
/** PhingFile that we are using for configuration */
private $buildFile = null;
/** The build targets */
private $targets = array();
/**
* Set of properties that are passed in from commandline or invoking code.
* @var Properties
*/
private static $definedProps;
/** Names of classes to add as listeners to project */
private $listeners = array();
private $loggerClassname = null;
/** The class to handle input (can be only one). */
private $inputHandlerClassname;
/** Indicates if this phing should be run */
private $readyToRun = false;
/** Indicates we should only parse and display the project help information */
private $projectHelp = false;
/** Used by utility function getResourcePath() */
private static $importPaths;
/** System-wide static properties (moved from System) */
private static $properties = array();
/** Static system timer. */
private static $timer;
/** The current Project */
private static $currentProject;
/** Whether to capture PHP errors to buffer. */
private static $phpErrorCapture = false;
/** Array of captured PHP errors */
private static $capturedPhpErrors = array();
/**
* Prints the message of the Exception if it's not null.
*/
function printMessage(Exception $t) {
print($t->getMessage() . "\n");
if (self::getMsgOutputLevel() === PROJECT_MSG_DEBUG) {
print($t->getTraceAsString()."\n");
if ($t instanceof Exception) {
$c = $t->getCause();
if ($c !== null) {
print("Wrapped exception trace:\n");
print($c->getTraceAsString() . "\n");
}
}
} // if output level is DEBUG
}
/**
* Entry point allowing for more options from other front ends.
*
* This method encapsulates the complete build lifecycle.
*
* @param array &$args The commandline args passed to phing shell script.
* @param array $additionalUserProperties Any additional properties to be passed to Phing (alternative front-end might implement this).
* These additional properties will be available using the getDefinedProperty() method and will
* be added to the project's "user" properties.
* @return void
* @see execute()
* @see runBuild()
*/
public static function start(&$args, $additionalUserProperties = null) {
try {
$m = new Phing();
$m->execute($args);
} catch (Exception $exc) {
$m->printMessage($exc);
self::halt(-1); // Parameter error
}
if ($additionalUserProperties !== null) {
$keys = $m->additionalUserProperties->keys();
while(count($keys)) {
$key = array_shift($keys);
$property = $m->additionalUserProperties->getProperty($key);
$m->setDefinedProperty($key, $property);
}
}
try {
$m->runBuild();
} catch(Exception $exc) {
self::halt(1); // Errors occured
}
// everything fine, shutdown
self::halt(0); // no errors, everything is cake
}
/**
* Making output level a static property so that this property
* can be accessed by other parts of the system, enabling
* us to display more information -- e.g. backtraces -- for "debug" level.
* @return int
*/
public static function getMsgOutputLevel() {
return self::$msgOutputLevel;
}
/**
* Command line entry point. This method kicks off the building
* of a project object and executes a build using either a given
* target or the default target.
*
* @param array $args Command line args.
* @return void
*/
public static function fire($args) {
self::start($args, null);
}
/**
* Setup/initialize Phing environment from commandline args.
* @param array $args commandline args passed to phing shell.
* @return void
*/
public function execute($args) {
self::$definedProps = new Properties();
$this->searchForThis = null;
// cycle through given args
for ($i = 0, $argcount = count($args); $i < $argcount; ++$i) {
// ++$i intentional here, as first param is script name
$arg = $args[$i];
if ($arg == "-help" || $arg == "-h") {
$this->printUsage();
return;
} elseif ($arg == "-version" || $arg == "-v") {
$this->printVersion();
return;
} elseif ($arg == "-quiet" || $arg == "-q") {
self::$msgOutputLevel = PROJECT_MSG_WARN;
} elseif ($arg == "-verbose") {
$this->printVersion();
self::$msgOutputLevel = PROJECT_MSG_VERBOSE;
} elseif ($arg == "-debug") {
$this->printVersion();
self::$msgOutputLevel = PROJECT_MSG_DEBUG;
} elseif ($arg == "-logfile") {
try { // try to set logfile
if (!isset($args[$i+1])) {
print("You must specify a log file when using the -logfile argument\n");
return;
} else {
$logFile = new PhingFile($args[++$i]);
$this->loggerClassname = 'phing.listener.PearLogger';
$this->setDefinedProperty('pear.log.name', $logFile->getAbsolutePath());
}
} catch (IOException $ioe) {
print("Cannot write on the specified log file. Make sure the path exists and you have write permissions.\n");
throw $ioe;
}
} elseif ($arg == "-buildfile" || $arg == "-file" || $arg == "-f") {
if (!isset($args[$i+1])) {
print("You must specify a buildfile when using the -buildfile argument\n");
return;
} else {
$this->buildFile = new PhingFile($args[++$i]);
}
} elseif ($arg == "-listener") {
if (!isset($args[$i+1])) {
print("You must specify a listener class when using the -listener argument\n");
return;
} else {
$this->listeners[] = $args[++$i];
}
} elseif (StringHelper::startsWith("-D", $arg)) {
$name = substr($arg, 2);
$value = null;
$posEq = strpos($name, "=");
if ($posEq !== false) {
$value = substr($name, $posEq+1);
$name = substr($name, 0, $posEq);
} elseif ($i < count($args)-1) {
$value = $args[++$i];
}
self::$definedProps->setProperty($name, $value);
} elseif ($arg == "-logger") {
if (!isset($args[$i+1])) {
print("You must specify a classname when using the -logger argument\n");
return;
} else {
$this->loggerClassname = $args[++$i];
}
} elseif ($arg == "-inputhandler") {
if ($this->inputHandlerClassname !== null) {
throw new BuildException("Only one input handler class may be specified.");
}
if (!isset($args[$i+1])) {
print("You must specify a classname when using the -inputhandler argument\n");
return;
} else {
$this->inputHandlerClassname = $args[++$i];
}
} elseif ($arg == "-projecthelp" || $arg == "-targets" || $arg == "-list" || $arg == "-l") {
// set the flag to display the targets and quit
$this->projectHelp = true;
} elseif ($arg == "-find") {
// eat up next arg if present, default to build.xml
if ($i < count($args)-1) {
$this->searchForThis = $args[++$i];
} else {
$this->searchForThis = self::DEFAULT_BUILD_FILENAME;
}
} elseif (substr($arg,0,1) == "-") {
// we don't have any more args
print("Unknown argument: $arg\n");
$this->printUsage();
return;
} else {
// if it's no other arg, it may be the target
array_push($this->targets, $arg);
}
}
// if buildFile was not specified on the command line,
if ($this->buildFile === null) {
// but -find then search for it
if ($this->searchForThis !== null) {
$this->buildFile = $this->_findBuildFile(self::getProperty("user.dir"), $this->searchForThis);
} else {
$this->buildFile = new PhingFile(self::DEFAULT_BUILD_FILENAME);
}
}
// make sure buildfile exists
if (!$this->buildFile->exists()) {
throw new BuildException("Buildfile: " . $this->buildFile->__toString() . " does not exist!");
}
// make sure it's not a directory
if ($this->buildFile->isDirectory()) {
throw new BuildException("Buildfile: " . $this->buildFile->__toString() . " is a dir!");
}
$this->readyToRun = true;
}
/**
* Helper to get the parent file for a given file.
*
* @param PhingFile $file
* @return PhingFile Parent file or null if none
*/
function _getParentFile(PhingFile $file) {
$filename = $file->getAbsolutePath();
$file = new PhingFile($filename);
$filename = $file->getParent();
if ($filename !== null && self::$msgOutputLevel >= PROJECT_MSG_VERBOSE) {
print("Searching in $filename\n");
}
return ($filename === null) ? null : new PhingFile($filename);
}
/**
* Search parent directories for the build file.
*
* Takes the given target as a suffix to append to each
* parent directory in search of a build file. Once the
* root of the file-system has been reached an exception
* is thrown.
*
* @param string $start Start file path.
* @param string $suffix Suffix filename to look for in parents.
* @return PhingFile A handle to the build file
*
* @throws BuildException Failed to locate a build file
*/
function _findBuildFile($start, $suffix) {
if (self::$msgOutputLevel >= PROJECT_MSG_INFO) {
print("Searching for $suffix ...\n");
}
$startf = new PhingFile($start);
$parent = new PhingFile($startf->getAbsolutePath());
$file = new PhingFile($parent, $suffix);
// check if the target file exists in the current directory
while (!$file->exists()) {
// change to parent directory
$parent = $this->_getParentFile($parent);
// if parent is null, then we are at the root of the fs,
// complain that we can't find the build file.
if ($parent === null) {
throw new BuildException("Could not locate a build file!");
}
// refresh our file handle
$file = new PhingFile($parent, $suffix);
}
return $file;
}
/**
* Executes the build.
* @return void
*/
function runBuild() {
if (!$this->readyToRun) {
return;
}
$project = new Project();
self::setCurrentProject($project);
set_error_handler(array('Phing', 'handlePhpError'));
$error = null;
$this->addBuildListeners($project);
$this->addInputHandler($project);
// set this right away, so that it can be used in logging.
$project->setUserProperty("phing.file", $this->buildFile->getAbsolutePath());
try {
$project->fireBuildStarted();
$project->init();
} catch (Exception $exc) {
$project->fireBuildFinished($exc);
throw $exc;
}
$project->setUserProperty("phing.version", $this->getPhingVersion());
$e = self::$definedProps->keys();
while (count($e)) {
$arg = (string) array_shift($e);
$value = (string) self::$definedProps->getProperty($arg);
$project->setUserProperty($arg, $value);
}
unset($e);
$project->setUserProperty("phing.file", $this->buildFile->getAbsolutePath());
// first use the Configurator to create the project object
// from the given build file.
try {
ProjectConfigurator::configureProject($project, $this->buildFile);
} catch (Exception $exc) {
$project->fireBuildFinished($exc);
restore_error_handler();
self::unsetCurrentProject();
throw $exc;
}
// make sure that we have a target to execute
if (count($this->targets) === 0) {
$this->targets[] = $project->getDefaultTarget();
}
// execute targets if help param was not given
if (!$this->projectHelp) {
try {
$project->executeTargets($this->targets);
} catch (Exception $exc) {
$project->fireBuildFinished($exc);
restore_error_handler();
self::unsetCurrentProject();
throw $exc;
}
}
// if help is requested print it
if ($this->projectHelp) {
try {
$this->printDescription($project);
$this->printTargets($project);
} catch (Exception $exc) {
$project->fireBuildFinished($exc);
restore_error_handler();
self::unsetCurrentProject();
throw $exc;
}
}
// finally {
if (!$this->projectHelp) {
$project->fireBuildFinished(null);
}
restore_error_handler();
self::unsetCurrentProject();
}
/**
* Bind any default build listeners to this project.
* Currently this means adding the logger.
* @param Project $project
* @return void
*/
private function addBuildListeners(Project $project) {
// Add the default listener
$project->addBuildListener($this->createLogger());
}
/**
* Creates the InputHandler and adds it to the project.
*
* @param Project $project the project instance.
*
* @throws BuildException if a specified InputHandler
* class could not be loaded.
*/
private function addInputHandler(Project $project) {
if ($this->inputHandlerClassname === null) {
$handler = new DefaultInputHandler();
} else {
try {
$clz = Phing::import($this->inputHandlerClassname);
$handler = new $clz();
if ($project !== null && method_exists($handler, 'setProject')) {
$handler->setProject($project);
}
} catch (Exception $e) {
$msg = "Unable to instantiate specified input handler "
. "class " . $this->inputHandlerClassname . " : "
. $e->getMessage();
throw new BuildException($msg);
}
}
$project->setInputHandler($handler);
}
/**
* Creates the default build logger for sending build events to the log.
* @return BuildListener The created Logger
*/
private function createLogger() {
if ($this->loggerClassname !== null) {
self::import($this->loggerClassname);
// get class name part
$classname = self::import($this->loggerClassname);
$logger = new $classname;
} else {
require_once 'phing/listener/DefaultLogger.php';
$logger = new DefaultLogger();
}
$logger->setMessageOutputLevel(self::$msgOutputLevel);
return $logger;
}
/**
* Sets the current Project
* @param Project $p
*/
public static function setCurrentProject($p) {
self::$currentProject = $p;
}
/**
* Unsets the current Project
*/
public static function unsetCurrentProject() {
self::$currentProject = null;
}
/**
* Gets the current Project.
* @return Project Current Project or NULL if none is set yet/still.
*/
public static function getCurrentProject() {
return self::$currentProject;
}
/**
* A static convenience method to send a log to the current (last-setup) Project.
* If there is no currently-configured Project, then this will do nothing.
* @param string $message
* @param int $priority PROJECT_MSG_INFO, etc.
*/
public static function log($message, $priority = PROJECT_MSG_INFO) {
$p = self::getCurrentProject();
if ($p) {
$p->log($message, $priority);
}
}
/**
* Error handler for PHP errors encountered during the build.
* This uses the logging for the currently configured project.
*/
public static function handlePhpError($level, $message, $file, $line) {
// don't want to print supressed errors
if (error_reporting() > 0) {
if (self::$phpErrorCapture) {
self::$capturedPhpErrors[] = array('message' => $message, 'level' => $level, 'line' => $line, 'file' => $file);
} else {
$message = '[PHP Error] ' . $message;
$message .= ' [line ' . $line . ' of ' . $file . ']';
switch ($level) {
case E_STRICT:
case E_NOTICE:
case E_USER_NOTICE:
self::log($message, PROJECT_MSG_VERBOSE);
break;
case E_WARNING:
case E_USER_WARNING:
self::log($message, PROJECT_MSG_WARN);
break;
case E_ERROR:
case E_USER_ERROR:
default:
self::log($message, PROJECT_MSG_ERR);
} // switch
} // if phpErrorCapture
} // if not @
}
/**
* Begins capturing PHP errors to a buffer.
* While errors are being captured, they are not logged.
*/
public static function startPhpErrorCapture() {
self::$phpErrorCapture = true;
self::$capturedPhpErrors = array();
}
/**
* Stops capturing PHP errors to a buffer.
* The errors will once again be logged after calling this method.
*/
public static function stopPhpErrorCapture() {
self::$phpErrorCapture = false;
}
/**
* Clears the captured errors without affecting the starting/stopping of the capture.
*/
public static function clearCapturedPhpErrors() {
self::$capturedPhpErrors = array();
}
/**
* Gets any PHP errors that were captured to buffer.
* @return array array('message' => message, 'line' => line number, 'file' => file name, 'level' => error level)
*/
public static function getCapturedPhpErrors() {
return self::$capturedPhpErrors;
}
/** Prints the usage of how to use this class */
function printUsage() {
$lSep = self::getProperty("line.separator");
$msg = "";
$msg .= "phing [options] [target [target2 [target3] ...]]" . $lSep;
$msg .= "Options: " . $lSep;
$msg .= " -h -help print this message" . $lSep;
$msg .= " -l -list list available targets in this project" . $lSep;
$msg .= " -v -version print the version information and exit" . $lSep;
$msg .= " -q -quiet be extra quiet" . $lSep;
$msg .= " -verbose be extra verbose" . $lSep;
$msg .= " -debug print debugging information" . $lSep;
$msg .= " -logfile <file> use given file for log" . $lSep;
$msg .= " -logger <classname> the class which is to perform logging" . $lSep;
$msg .= " -f -buildfile <file> use given buildfile" . $lSep;
$msg .= " -D<property>=<value> use value for given property" . $lSep;
$msg .= " -find <file> search for buildfile towards the root of the" . $lSep;
$msg .= " filesystem and use it" . $lSep;
//$msg .= " -recursive <file> search for buildfile downwards and use it" . $lSep;
$msg .= $lSep;
$msg .= "Report bugs to <dev@phing.tigris.org>".$lSep;
print($msg);
}
function printVersion() {
print(self::getPhingVersion()."\n");
}
function getPhingVersion() {
$versionPath = self::getResourcePath("phing/etc/VERSION.TXT");
if ($versionPath === null) {
$versionPath = self::getResourcePath("etc/VERSION.TXT");
}
try { // try to read file
$buffer = null;
$file = new PhingFile($versionPath);
$reader = new FileReader($file);
$reader->readInto($buffer);
$buffer = trim($buffer);
//$buffer = "PHING version 1.0, Released 2002-??-??";
$phingVersion = $buffer;
} catch (IOException $iox) {
print("Can't read version information file\n");
throw new BuildException("Build failed");
}
return $phingVersion;
}
/** Print the project description, if any */
function printDescription(Project $project) {
if ($project->getDescription() !== null) {
print($project->getDescription()."\n");
}
}
/** Print out a list of all targets in the current buildfile */
function printTargets($project) {
// find the target with the longest name
$maxLength = 0;
$targets = $project->getTargets();
$targetNames = array_keys($targets);
$targetName = null;
$targetDescription = null;
$currentTarget = null;
// split the targets in top-level and sub-targets depending
// on the presence of a description
$subNames = array();
$topNameDescMap = array();
foreach($targets as $currentTarget) {
$targetName = $currentTarget->getName();
$targetDescription = $currentTarget->getDescription();
// subtargets are targets w/o descriptions
if ($targetDescription === null) {
$subNames[] = $targetName;
} else {
// topNames and topDescriptions are handled later
// here we store in hash map (for sorting purposes)
$topNameDescMap[$targetName] = $targetDescription;
if (strlen($targetName) > $maxLength) {
$maxLength = strlen($targetName);
}
}
}
// Sort the arrays
sort($subNames); // sort array values, resetting keys (which are numeric)
ksort($topNameDescMap); // sort the keys (targetName) keeping key=>val associations
$topNames = array_keys($topNameDescMap);
$topDescriptions = array_values($topNameDescMap);
$defaultTarget = $project->getDefaultTarget();
if ($defaultTarget !== null && $defaultTarget !== "") {
$defaultName = array();
$defaultDesc = array();
$defaultName[] = $defaultTarget;
$indexOfDefDesc = array_search($defaultTarget, $topNames, true);
if ($indexOfDefDesc !== false && $indexOfDefDesc >= 0) {
$defaultDesc = array();
$defaultDesc[] = $topDescriptions[$indexOfDefDesc];
}
$this->_printTargets($defaultName, $defaultDesc, "Default target:", $maxLength);
}
$this->_printTargets($topNames, $topDescriptions, "Main targets:", $maxLength);
$this->_printTargets($subNames, null, "Subtargets:", 0);
}
/**
* Writes a formatted list of target names with an optional description.
*
* @param array $names The names to be printed.
* Must not be <code>null</code>.
* @param array $descriptions The associated target descriptions.
* May be <code>null</code>, in which case
* no descriptions are displayed.
* If non-<code>null</code>, this should have
* as many elements as <code>names</code>.
* @param string $heading The heading to display.
* Should not be <code>null</code>.
* @param int $maxlen The maximum length of the names of the targets.
* If descriptions are given, they are padded to this
* position so they line up (so long as the names really
* <i>are</i> shorter than this).
*/
private function _printTargets($names, $descriptions, $heading, $maxlen) {
$lSep = self::getProperty("line.separator");
$spaces = ' ';
while (strlen($spaces) < $maxlen) {
$spaces .= $spaces;
}
$msg = "";
$msg .= $heading . $lSep;
$msg .= str_repeat("-",79) . $lSep;
$total = count($names);
for($i=0; $i < $total; $i++) {
$msg .= " ";
$msg .= $names[$i];
if (!empty($descriptions)) {
$msg .= substr($spaces, 0, $maxlen - strlen($names[$i]) + 2);
$msg .= $descriptions[$i];
}
$msg .= $lSep;
}
if ($total > 0) {
print $msg . $lSep;
}
}
/**
* Import a dot-path notation class path.
* @param string $dotPath
* @param mixed $classpath String or object supporting __toString()
* @return string The unqualified classname (which can be instantiated).
* @throws BuildException - if cannot find the specified file
*/
public static function import($dotPath, $classpath = null) {
// first check to see that the class specified hasn't already been included.
// (this also handles case where this method is called w/ a classname rather than dotpath)
$classname = StringHelper::unqualify($dotPath);
if (class_exists($classname, false)) {
return $classname;
}
$dotClassname = basename($dotPath);
$dotClassnamePos = strlen($dotPath) - strlen($dotClassname);
$classFile = strtr($dotClassname, '.', DIRECTORY_SEPARATOR) . ".php";
$path = substr_replace($dotPath, $classFile, $dotClassnamePos);
Phing::__import($path, $classpath);
return $classname;
}
/**
* Import a PHP file
* @param string $path Path to the PHP file
* @param mixed $classpath String or object supporting __toString()
* @throws BuildException - if cannot find the specified file
*/
public static function __import($path, $classpath = null) {
if ($classpath) {
// Apparently casting to (string) no longer invokes __toString() automatically.
if (is_object($classpath)) {
$classpath = $classpath->__toString();
}
// classpaths are currently additive, but we also don't want to just
// indiscriminantly prepand/append stuff to the include_path. This means
// we need to parse current incldue_path, and prepend any
// specified classpath locations that are not already in the include_path.
//
// NOTE: the reason why we do it this way instead of just changing include_path
// and then changing it back, is that in many cases applications (e.g. Propel) will
// include/require class files from within method calls. This means that not all
// necessary files will be included in this import() call, and hence we can't
// change the include_path back without breaking those apps. While this method could
// be more expensive than switching & switching back (not sure, but maybe), it makes it
// possible to write far less expensive run-time applications (e.g. using Propel), which is
// really where speed matters more.
$curr_parts = explode(PATH_SEPARATOR, ini_get('include_path'));
$add_parts = explode(PATH_SEPARATOR, $classpath);
$new_parts = array_diff($add_parts, $curr_parts);
if ($new_parts) {
if (self::getMsgOutputLevel() === PROJECT_MSG_DEBUG) {
print("Phing::import() prepending new include_path components: " . implode(PATH_SEPARATOR, $new_parts) . "\n");
}
ini_set('include_path', implode(PATH_SEPARATOR, array_merge($new_parts, $curr_parts)));
}
}
$ret = include_once($path);
if ($ret === false) {
$e = new BuildException("Error importing $path");
if (self::getMsgOutputLevel() === PROJECT_MSG_DEBUG) {
// We can't log this because listeners belong
// to projects. We'll just print it -- of course
// that isn't very compatible w/ other frontends (but
// there aren't any right now, so I'm not stressing)
print("Error importing $path\n");
print($e->getTraceAsString()."\n");
}
throw $e;
}
return;
}
/**
* Looks on include path for specified file.
* @return string File found (null if no file found).
*/
public static function getResourcePath($path) {
if (self::$importPaths === null) {
$paths = ini_get("include_path");
self::$importPaths = explode(PATH_SEPARATOR, ini_get("include_path"));
}
$path = str_replace('\\', DIRECTORY_SEPARATOR, $path);
$path = str_replace('/', DIRECTORY_SEPARATOR, $path);
foreach (self::$importPaths as $prefix) {
$foo_path = $prefix . DIRECTORY_SEPARATOR . $path;
if (file_exists($foo_path)) {
return $foo_path;
}
}
// Check for the property phing.home
$home_dir = self::getProperty('phing.home');
if ($home_dir)
{
$home_path = $home_dir . DIRECTORY_SEPARATOR . $path;
if (file_exists($home_path))
{
return $home_path;
}
}
// If we are using this via PEAR then check for the file in the data dir
// This is a bit of a hack, but works better than previous solution of assuming
// data_dir is on the include_path.
$data_dir = 'C:\php5\pear\data';
if ($data_dir{0} != '@') { // if we're using PEAR then the @ DATA-DIR @ token will have been substituted.
$data_path = $data_dir . DIRECTORY_SEPARATOR . $path;
if (file_exists($data_path)) {
return $data_path;
}
}
return null;
}
// -------------------------------------------------------------------------------------------
// System-wide methods (moved from System class, which had namespace conflicts w/ PEAR System)
// -------------------------------------------------------------------------------------------
/**
* Set System constants which can be retrieved by calling Phing::getProperty($propName).
* @return void
*/
private static function setSystemConstants() {
/*
* PHP_OS returns on
* WindowsNT4.0sp6 => WINNT
* Windows2000 => WINNT
* Windows ME => WIN32
* Windows 98SE => WIN32
* FreeBSD 4.5p7 => FreeBSD
* Redhat Linux => Linux
* Mac OS X => Darwin
*/
self::setProperty('host.os', PHP_OS);
// this is used by some tasks too
self::setProperty('os.name', PHP_OS);
// it's still possible this won't be defined,
// e.g. if Phing is being included in another app w/o
// using the phing.php script.
if (!defined('PHP_CLASSPATH')) {
define('PHP_CLASSPATH', get_include_path());
}
self::setProperty('php.classpath', PHP_CLASSPATH);
// try to determine the host filesystem and set system property
// used by Fileself::getFileSystem to instantiate the correct
// abstraction layer
switch (strtoupper(PHP_OS)) {
case 'WINNT':
self::setProperty('host.fstype', 'WINNT');
break;
case 'WIN32':
self::setProperty('host.fstype', 'WIN32');
break;
default:
self::setProperty('host.fstype', 'UNIX');
break;
}
self::setProperty('php.version', PHP_VERSION);
self::setProperty('user.home', getenv('HOME'));
self::setProperty('application.startdir', getcwd());
self::setProperty('line.separator', "\n");
// try to detect machine dependent information
$sysInfo = array();
if (strtoupper(substr(PHP_OS, 0, 3)) !== 'WIN' && function_exists("posix_uname")) {
$sysInfo = posix_uname();
} else {
$sysInfo['nodename'] = php_uname('n');
$sysInfo['machine']= php_uname('m') ;
//this is a not so ideal substition, but maybe better than nothing
$sysInfo['domain'] = isset($_SERVER['SERVER_NAME']) ? $_SERVER['SERVER_NAME'] : "unknown";
$sysInfo['release'] = php_uname('r');
$sysInfo['version'] = php_uname('v');
}
self::setProperty("host.name", isset($sysInfo['nodename']) ? $sysInfo['nodename'] : "unknown");
self::setProperty("host.arch", isset($sysInfo['machine']) ? $sysInfo['machine'] : "unknown");
self::setProperty("host.domain",isset($sysInfo['domain']) ? $sysInfo['domain'] : "unknown");
self::setProperty("host.os.release", isset($sysInfo['release']) ? $sysInfo['release'] : "unknown");
self::setProperty("host.os.version", isset($sysInfo['version']) ? $sysInfo['version'] : "unknown");
unset($sysInfo);
}
/**
* This gets a property that was set via command line or otherwise passed into Phing.
* "Defined" in this case means "externally defined". The reason this method exists is to
* provide a public means of accessing commandline properties for (e.g.) logger or listener
* scripts. E.g. to specify which logfile to use, PearLogger needs to be able to access
* the pear.log.name property.
*
* @param string $name
* @return string value of found property (or null, if none found).
*/
public static function getDefinedProperty($name) {
return self::$definedProps->getProperty($name);
}
/**
* This sets a property that was set via command line or otherwise passed into Phing.
*
* @param string $name
* @return string value of found property (or null, if none found).
*/
public static function setDefinedProperty($name, $value) {
return self::$definedProps->setProperty($name, $value);
}
/**
* Returns property value for a System property.
* System properties are "global" properties like line.separator,
* and user.dir. Many of these correspond to similar properties in Java
* or Ant.
*
* @param string $paramName
* @return string Value of found property (or null, if none found).
*/
public static function getProperty($propName) {
// some properties are detemined on each access
// some are cached, see below
// default is the cached value:
$val = isset(self::$properties[$propName]) ? self::$properties[$propName] : null;
// special exceptions
switch($propName) {
case 'user.dir':
$val = getcwd();
break;
}
return $val;
}
/** Retuns reference to all properties*/
public static function &getProperties() {
return self::$properties;
}
public static function setProperty($propName, $propValue) {
$propName = (string) $propName;
$oldValue = self::getProperty($propName);
self::$properties[$propName] = $propValue;
return $oldValue;
}
public static function currentTimeMillis() {
list($usec, $sec) = explode(" ",microtime());
return ((float)$usec + (float)$sec);
}
/**
* Sets the include path based on PHP_CLASSPATH constant (set in phing.php).
* @return void
*/
private static function setIncludePaths() {
$success = false;
if (defined('PHP_CLASSPATH')) {
$success = ini_set('include_path', PHP_CLASSPATH);
} else {
// don't do anything, just assume that include_path has been properly set.
$success = true;
}
if ($success === false) {
print("SYSTEM FAILURE: Could not set PHP include path\n");
self::halt(-1);
}
}
/**
* Sets PHP INI values that Phing needs.
* @return void
*/
private static function setIni() {
error_reporting(E_ALL);
set_time_limit(0);
ini_set('magic_quotes_gpc', 'off');
ini_set('short_open_tag', 'off');
ini_set('default_charset', 'iso-8859-1');
ini_set('register_globals', 'off');
ini_set('allow_call_time_pass_reference', 'on');
// should return memory limit in MB
$mem_limit = (int) ini_get('memory_limit');
if ($mem_limit < 32) {
ini_set('memory_limit', '32M'); // nore: this may need to be higher for many projects
}
}
/**
* Returns reference to Timer object.
* @return Timer
*/
public static function getTimer() {
if (self::$timer === null) {
include_once 'phing/system/util/Timer.php';
self::$timer= new Timer();
}
return self::$timer;
}
/**
* Start up Phing.
* Sets up the Phing environment -- does NOT initiate the build process.
* @return void
*/
public static function startup() {
register_shutdown_function(array('Phing', 'shutdown'));
// some init stuff
self::getTimer()->start();
self::setSystemConstants();
self::setIncludePaths();
self::setIni();
}
/**
* Halts the system.
* @see shutdown()
*/
public static function halt($code=0) {
self::shutdown($code);
}
/**
* Stops timers & exits.
* @return void
*/
public static function shutdown($exitcode = 0) {
//print("[AUTOMATIC SYSTEM SHUTDOWN]\n");
self::getTimer()->stop();
exit($exitcode); // final point where everything stops
}
}
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