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<?php
/*
* $Id: PhingTask.php 78 2006-06-16 13:49:48Z hans $
*
* 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>.
*/
include_once 'phing/Task.php';
include_once 'phing/util/FileUtils.php';
include_once 'phing/types/Reference.php';
include_once 'phing/tasks/system/PropertyTask.php';
/**
* Task that invokes phing on another build file.
*
* Use this task, for example, if you have nested buildfiles in your project. Unlike
* AntTask, PhingTask can even support filesets:
*
* <pre>
* <phing>
* <fileset dir="${srcdir}">
* <include name="** /build.xml" /> <!-- space added after ** is there because of PHP comment syntax -->
* <exclude name="build.xml" />
* </fileset>
* </phing>
* </pre>
*
* @author Hans Lellelid <hans@xmpl.org>
* @version $Revision: 1.20 $
* @package phing.tasks.system
*/
class PhingTask extends Task {
/** the basedir where is executed the build file */
private $dir;
/** build.xml (can be absolute) in this case dir will be ignored */
private $phingFile;
/** the target to call if any */
protected $newTarget;
/** should we inherit properties from the parent ? */
private $inheritAll = true;
/** should we inherit references from the parent ? */
private $inheritRefs = false;
/** the properties to pass to the new project */
private $properties = array();
/** the references to pass to the new project */
private $references = array();
/** The filesets that contain the files PhingTask is to be run on. */
private $filesets = array();
/** the temporary project created to run the build file */
private $newProject;
/** Fail the build process when the called build fails? */
private $haltOnFailure = false;
/**
* If true, abort the build process if there is a problem with or in the target build file.
* Defaults to false.
*
* @param boolean new value
*/
public function setHaltOnFailure($hof) {
$this->haltOnFailure = (boolean) $hof;
}
/**
* Creates a Project instance for the project to call.
* @return void
*/
public function init() {
$this->newProject = new Project();
$tdf = $this->project->getTaskDefinitions();
$this->newProject->addTaskDefinition("property", $tdf["property"]);
}
/**
* Called in execute or createProperty if newProject is null.
*
* <p>This can happen if the same instance of this task is run
* twice as newProject is set to null at the end of execute (to
* save memory and help the GC).</p>
*
* <p>Sets all properties that have been defined as nested
* property elements.</p>
*/
private function reinit() {
$this->init();
$count = count($this->properties);
for ($i = 0; $i < $count; $i++) {
$p = $this->properties[$i];
$newP = $this->newProject->createTask("property");
$newP->setName($p->getName());
if ($p->getValue() !== null) {
$newP->setValue($p->getValue());
}
if ($p->getFile() !== null) {
$newP->setFile($p->getFile());
}
if ($p->getPrefix() !== null) {
$newP->setPrefix($p->getPrefix());
}
if ($p->getRefid() !== null) {
$newP->setRefid($p->getRefid());
}
if ($p->getEnvironment() !== null) {
$newP->setEnvironment($p->getEnvironment());
}
if ($p->getUserProperty() !== null) {
$newP->setUserProperty($p->getUserProperty());
}
if ($p->getOverride() !== null) {
$newP->setOverride($p->getOverride());
}
$this->properties[$i] = $newP;
}
}
/**
* Main entry point for the task.
*
* @return void
*/
public function main() {
// Call Phing on the file set with the attribute "phingfile"
if ($this->phingFile !== null or $this->dir !== null) {
$this->processFile();
}
// if no filesets are given stop here; else process filesets
if (empty($this->filesets)) {
return;
}
// preserve old settings
$savedDir = $this->dir;
$savedPhingFile = $this->phingFile;
$savedTarget = $this->newTarget;
$buildFailed = false;
// set no specific target for files in filesets
// [HL] I'm commenting this out; I don't know why this should not be supported!
// $this->newTarget = null;
foreach($this->filesets as $fs) {
$ds = $fs->getDirectoryScanner($this->project);
$fromDir = $fs->getDir($this->project);
$srcFiles = $ds->getIncludedFiles();
foreach($srcFiles as $fname) {
$f = new PhingFile($ds->getbasedir(), $fname);
$f = $f->getAbsoluteFile();
$this->phingFile = $f->getAbsolutePath();
$this->dir = $f->getParentFile();
$this->processFile(); // run Phing!
}
}
// side effect free programming ;-)
$this->dir = $savedDir;
$this->phingFile = $savedPhingFile;
$this->newTarget = $savedTarget;
// [HL] change back to correct dir
if ($this->dir !== null) {
chdir($this->dir->getAbsolutePath());
}
}
/**
* Execute phing file.
*
* @return void
*/
private function processFile() {
$savedDir = $this->dir;
$savedPhingFile = $this->phingFile;
$savedTarget = $this->newTarget;
$savedBasedirAbsPath = null; // this is used to save the basedir *if* we change it
try {
if ($this->newProject === null) {
$this->reinit();
}
$this->initializeProject();
if ($this->dir !== null) {
$dirAbsPath = $this->dir->getAbsolutePath();
// BE CAREFUL! -- when the basedir is changed for a project,
// all calls to getAbsolutePath() on a relative-path dir will
// be made relative to the project's basedir! This means
// that subsequent calls to $this->dir->getAbsolutePath() will be WRONG!
// We need to save the current project's basedir first.
$savedBasedirAbsPath = $this->getProject()->getBasedir()->getAbsolutePath();
$this->newProject->setBasedir($this->dir);
// Now we must reset $this->dir so that it continues to resolve to the same
// path.
$this->dir = new PhingFile($dirAbsPath);
if ($savedDir !== null) { // has been set explicitly
$this->newProject->setInheritedProperty("project.basedir", $this->dir->getAbsolutePath());
}
} else {
// Since we're not changing the basedir here (for file resolution),
// we don't need to worry about any side-effects in this scanrio.
$this->dir = $this->getProject()->getBasedir();
}
$this->overrideProperties();
if ($this->phingFile === null) {
$this->phingFile = "build.xml";
}
$fu = new FileUtils();
$file = $fu->resolveFile($this->dir, $this->phingFile);
$this->phingFile = $file->getAbsolutePath();
$this->log("Calling Buildfile '" . $this->phingFile . "' with target '" . $this->newTarget . "'");
$this->newProject->setUserProperty("phing.file", $this->phingFile);
ProjectConfigurator::configureProject($this->newProject, new PhingFile($this->phingFile));
if ($this->newTarget === null) {
$this->newTarget = $this->newProject->getDefaultTarget();
}
// Are we trying to call the target in which we are defined?
if ($this->newProject->getBaseDir() == $this->project->getBaseDir() &&
$this->newProject->getProperty("phing.file") == $this->project->getProperty("phing.file") &&
$this->getOwningTarget() !== null &&
$this->newTarget == $this->getOwningTarget()->getName()) {
throw new BuildException("phing task calling its own parent target");
}
$this->addReferences();
$this->newProject->executeTarget($this->newTarget);
} catch (Exception $e) {
$buildFailed = true;
$this->log($e->getMessage(), PROJECT_MSG_ERR);
// important!!! continue on to perform cleanup tasks.
}
// reset environment values to prevent side-effects.
$this->newProject = null;
$pkeys = array_keys($this->properties);
foreach($pkeys as $k) {
$this->properties[$k]->setProject(null);
}
$this->dir = $savedDir;
$this->phingFile = $savedPhingFile;
$this->newTarget = $savedTarget;
// If the basedir for any project was changed, we need to set that back here.
if ($savedBasedirAbsPath !== null) {
chdir($savedBasedirAbsPath);
}
if ($this->haltOnFailure && $buildFailed) {
throw new BuildException("Execution of the target buildfile failed. Aborting.");
}
}
/**
* Configure the Project, i.e. make intance, attach build listeners
* (copy from father project), add Task and Datatype definitions,
* copy properties and references from old project if these options
* are set via the attributes of the XML tag.
*
* Developer note:
* This function replaces the old methods "init", "_reinit" and
* "_initializeProject".
*
* @access protected
*/
private function initializeProject() {
$this->newProject->setInputHandler($this->project->getInputHandler());
foreach($this->project->getBuildListeners() as $listener) {
$this->newProject->addBuildListener($listener);
}
/* Copy things from old project. Datatypes and Tasks are always
* copied, properties and references only if specified so/not
* specified otherwise in the XML definition.
*/
// Add Datatype definitions
foreach ($this->project->getDataTypeDefinitions() as $typeName => $typeClass) {
$this->newProject->addDataTypeDefinition($typeName, $typeClass);
}
// Add Task definitions
foreach ($this->project->getTaskDefinitions() as $taskName => $taskClass) {
if ($taskClass == "propertytask") {
// we have already added this taskdef in init()
continue;
}
$this->newProject->addTaskDefinition($taskName, $taskClass);
}
// set user-defined properties
$this->project->copyUserProperties($this->newProject);
if (!$this->inheritAll) {
// set System built-in properties separately,
// b/c we won't inherit them.
$this->newProject->setSystemProperties();
} else {
// set all properties from calling project
$properties = $this->project->getProperties();
foreach ($properties as $name => $value) {
if ($name == "basedir" || $name == "phing.file" || $name == "phing.version") {
// basedir and phing.file get special treatment in main()
continue;
}
// don't re-set user properties, avoid the warning message
if ($this->newProject->getProperty($name) === null){
// no user property
$this->newProject->setNewProperty($name, $value);
}
}
}
}
/**
* Override the properties in the new project with the one
* explicitly defined as nested elements here.
* @return void
* @throws BuildException
*/
private function overrideProperties() {
foreach(array_keys($this->properties) as $i) {
$p = $this->properties[$i];
$p->setProject($this->newProject);
$p->main();
}
$this->project->copyInheritedProperties($this->newProject);
}
/**
* Add the references explicitly defined as nested elements to the
* new project. Also copy over all references that don't override
* existing references in the new project if inheritrefs has been
* requested.
*
* @return void
* @throws BuildException
*/
private function addReferences() {
// parent project references
$projReferences = $this->project->getReferences();
$newReferences = $this->newProject->getReferences();
$subprojRefKeys = array();
if (count($this->references) > 0) {
for ($i=0, $count=count($this->references); $i < $count; $i++) {
$ref = $this->references[$i];
$refid = $ref->getRefId();
if ($refid === null) {
throw new BuildException("the refid attribute is required"
. " for reference elements");
}
if (!isset($projReferences[$refid])) {
$this->log("Parent project doesn't contain any reference '"
. $refid . "'",
PROJECT_MSG_WARN);
continue;
}
$subprojRefKeys[] = $refid;
//thisReferences.remove(refid);
$toRefid = $ref->getToRefid();
if ($toRefid === null) {
$toRefid = $refid;
}
$this->copyReference($refid, $toRefid);
}
}
// Now add all references that are not defined in the
// subproject, if inheritRefs is true
if ($this->inheritRefs) {
// get the keys that are were not used by the subproject
$unusedRefKeys = array_diff(array_keys($projReferences), $subprojRefKeys);
foreach($unusedRefKeys as $key) {
if (isset($newReferences[$key])) {
continue;
}
$this->copyReference($key, $key);
}
}
}
/**
* Try to clone and reconfigure the object referenced by oldkey in
* the parent project and add it to the new project with the key
* newkey.
*
* <p>If we cannot clone it, copy the referenced object itself and
* keep our fingers crossed.</p>
*
* @param string $oldKey
* @param string $newKey
* @return void
*/
private function copyReference($oldKey, $newKey) {
$orig = $this->project->getReference($oldKey);
if ($orig === null) {
$this->log("No object referenced by " . $oldKey . ". Can't copy to "
.$newKey,
PROJECT_SG_WARN);
return;
}
$copy = clone $orig;
if ($copy instanceof ProjectComponent) {
$copy->setProject($this->newProject);
} elseif (in_array('setProject', get_class_methods(get_class($copy)))) {
$copy->setProject($this->newProject);
} elseif ($copy instanceof Project) {
// don't copy the old "Project" itself
} else {
$msg = "Error setting new project instance for "
. "reference with id " . $oldKey;
throw new BuildException($msg);
}
$this->newProject->addReference($newKey, $copy);
}
/**
* If true, pass all properties to the new phing project.
* Defaults to true.
*
* @access public
*/
function setInheritAll($value) {
$this->inheritAll = (boolean) $value;
}
/**
* If true, pass all references to the new phing project.
* Defaults to false.
*
* @access public
*/
function setInheritRefs($value) {
$this->inheritRefs = (boolean)$value;
}
/**
* The directory to use as a base directory for the new phing project.
* Defaults to the current project's basedir, unless inheritall
* has been set to false, in which case it doesn't have a default
* value. This will override the basedir setting of the called project.
*
* @access public
*/
function setDir($d) {
if ( is_string($d) )
$this->dir = new PhingFile($d);
else
$this->dir = $d;
}
/**
* The build file to use.
* Defaults to "build.xml". This file is expected to be a filename relative
* to the dir attribute given.
*
* @access public
*/
function setPhingfile($s) {
// it is a string and not a file to handle relative/absolute
// otherwise a relative file will be resolved based on the current
// basedir.
$this->phingFile = $s;
}
/**
* Alias function for setPhingfile
*
* @access public
*/
function setBuildfile($s) {
$this->setPhingFile($s);
}
/**
* The target of the new Phing project to execute.
* Defaults to the new project's default target.
*
* @access public
*/
function setTarget($s) {
$this->newTarget = $s;
}
/**
* Support for filesets; This method returns a reference to an instance
* of a FileSet object.
*
* @return FileSet
*/
function createFileSet() {
$num = array_push($this->filesets, new FileSet());
return $this->filesets[$num-1];
}
/**
* Property to pass to the new project.
* The property is passed as a 'user property'
*
* @access public
*/
function createProperty() {
$p = new PropertyTask();
$p->setFallback($this->newProject);
$p->setUserProperty(true);
$this->properties[] = $p;
return $p;
}
/**
* Reference element identifying a data type to carry
* over to the new project.
*
* @access public
*/
function createReference() {
$num = array_push($this->references, new PhingReference());
return $this->references[$num-1];
}
}
/**
* Helper class that implements the nested <reference>
* element of <phing> and <phingcall>.
*/
class PhingReference extends Reference {
private $targetid = null;
/**
* Set the id that this reference to be stored under in the
* new project.
*
* @param targetid the id under which this reference will be passed to
* the new project */
public function setToRefid($targetid) {
$this->targetid = $targetid;
}
/**
* Get the id under which this reference will be stored in the new
* project
*
* @return the id of the reference in the new project.
*/
public function getToRefid() {
return $this->targetid;
}
}
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