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<?php
/*
* $Id: 5b0af63dfa9acb85374dcdd2d7fd866ce81391d0 $
*
* 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/Task.php';
include_once 'phing/tasks/system/condition/Condition.php';
include_once 'phing/tasks/system/PropertyTask.php';
include_once 'phing/util/DirectoryScanner.php';
include_once 'phing/util/SourceFileScanner.php';
include_once 'phing/mappers/MergeMapper.php';
/**
* Sets the given property if the specified target has a timestamp
* greater than all of the source files.
*
* @author Hans Lellelid <hans@xmpl.org> (Phing)
* @author William Ferguson <williamf@mincom.com> (Ant)
* @author Hiroaki Nakamura <hnakamur@mc.neweb.ne.jp> (Ant)
* @author Stefan Bodewig <stefan.bodewig@epost.de> (Ant)
* @version $Id$
* @package phing.tasks.system
*/
class UpToDateTask extends Task implements Condition {
private $_property;
private $_value;
private $_sourceFile;
private $_targetFile;
private $sourceFileSets = array();
private $_filelists = array();
protected $mapperElement = null;
/**
* The property to set if the target file is more up-to-date than
* (each of) the source file(s).
*
* @param property the name of the property to set if Target is up-to-date.
*/
public function setProperty($property) {
$this->_property = $property;
}
/**
* Get property name
* @param property the name of the property to set if Target is up-to-date.
*/
public function getProperty() {
return $this->_property;
}
/**
* The value to set the named property to if the target file is more
* up-to-date than (each of) the source file(s). Defaults to 'true'.
*
* @param value the value to set the property to if Target is up-to-date
*/
public function setValue($value) {
$this->_value = $value;
}
/**
* Returns the value, or "true" if a specific value wasn't provided.
*/
private function getValue() {
return ($this->_value !== null) ? $this->_value : "true";
}
/**
* The file which must be more up-to-date than (each of) the source file(s)
* if the property is to be set.
*
* @param file the file we are checking against.
*/
public function setTargetFile($file) {
if (is_string($file)) {
$file = new PhingFile($file);
}
$this->_targetFile = $file;
}
/**
* The file that must be older than the target file
* if the property is to be set.
*
* @param file the file we are checking against the target file.
*/
public function setSrcfile($file) {
if (is_string($file)) {
$file = new PhingFile($file);
}
$this->_sourceFile = $file;
}
/**
* Nested <srcfiles> element.
*
* @deprecated Deprecated since Phing 2.4.0
*/
public function createSrcfiles() {
$fs = new FileSet();
$this->sourceFileSets[] = $fs;
return $fs;
}
/**
* Nested <fileset> element.
*/
public function addFileset(FileSet $fs) {
$this->sourceFileSets[] = $fs;
}
/**
* Supports embedded <filelist> element.
* @return FileList
*/
public function createFileList() {
$num = array_push($this->_filelists, new FileList());
return $this->_filelists[$num-1];
}
/**
* Defines the FileNameMapper to use (nested mapper element).
*/
public function createMapper() {
if ($this->mapperElement !== null) {
throw new BuildException("Cannot define more than one mapper",
$this->location);
}
$this->mapperElement = new Mapper($this->getProject());
return $this->mapperElement;
}
/**
* Evaluate (all) target and source file(s) to
* see if the target(s) is/are up-to-date.
* @return boolean
*/
public function evaluate() {
if (count($this->sourceFileSets) == 0 && count($this->_filelists) == 0 && $this->_sourceFile === null) {
throw new BuildException("At least one srcfile or a nested "
. "<fileset> or <filelist> element must be set.");
}
if ((count($this->sourceFileSets) > 0 || count($this->_filelists) > 0) && $this->_sourceFile !== null) {
throw new BuildException("Cannot specify both the srcfile "
. "attribute and a nested <fileset> "
. "or <filelist> element.");
}
if ($this->_targetFile === null && $this->mapperElement === null) {
throw new BuildException("The targetfile attribute or a nested "
. "mapper element must be set.");
}
// if the target file is not there, then it can't be up-to-date
if ($this->_targetFile !== null && !$this->_targetFile->exists()) {
return false;
}
// if the source file isn't there, throw an exception
if ($this->_sourceFile !== null && !$this->_sourceFile->exists()) {
throw new BuildException($this->_sourceFile->getAbsolutePath()
. " not found.");
}
$upToDate = true;
for($i=0,$size=count($this->sourceFileSets); $i < $size && $upToDate; $i++) {
$fs = $this->sourceFileSets[$i];
$ds = $fs->getDirectoryScanner($this->project);
$upToDate = $upToDate && $this->scanDir($fs->getDir($this->project),
$ds->getIncludedFiles());
}
for($i=0,$size=count($this->_filelists); $i < $size && $upToDate; $i++) {
$fl = $this->_filelists[$i];
$srcFiles = $fl->getFiles($this->project);
$upToDate = $upToDate && $this->scanDir($fs->getDir($this->project),
$srcFiles);
}
if ($this->_sourceFile !== null) {
if ($this->mapperElement === null) {
$upToDate = $upToDate &&
($this->_targetFile->lastModified() >= $this->_sourceFile->lastModified());
} else {
$sfs = new SourceFileScanner($this);
$upToDate = $upToDate &&
count($sfs->restrict($this->_sourceFile->getAbsolutePath(),
null, null,
$this->mapperElement->getImplementation())) === 0;
}
}
return $upToDate;
}
/**
* Sets property to true if target file(s) have a more recent timestamp
* than (each of) the corresponding source file(s).
* @throws BuildException
*/
public function main() {
if ($this->_property === null) {
throw new BuildException("property attribute is required.",
$this->location);
}
$upToDate = $this->evaluate();
if ($upToDate) {
$property = $this->project->createTask('property');
$property->setName($this->getProperty());
$property->setValue($this->getValue());
$property->setOverride(true);
$property->main(); // execute
if ($this->mapperElement === null) {
$this->log("File \"" . $this->_targetFile->getAbsolutePath()
. "\" is up-to-date.", Project::MSG_VERBOSE);
} else {
$this->log("All target files are up-to-date.",
Project::MSG_VERBOSE);
}
}
}
protected function scanDir(PhingFile $srcDir, $files) {
$sfs = new SourceFileScanner($this);
$mapper = null;
$dir = $srcDir;
if ($this->mapperElement === null) {
$mm = new MergeMapper();
$mm->setTo($this->_targetFile->getAbsolutePath());
$mapper = $mm;
$dir = null;
} else {
$mapper = $this->mapperElement->getImplementation();
}
return (count($sfs->restrict($files, $srcDir, $dir, $mapper)) === 0);
}
}
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