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<?php
/*
* $Id: ZipTask.php 1379 2011-12-07 19:59:40Z mrook $
*
* 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/tasks/system/MatchingTask.php';
include_once 'phing/util/SourceFileScanner.php';
include_once 'phing/mappers/MergeMapper.php';
include_once 'phing/util/StringHelper.php';
/**
* Creates a zip archive using PHP ZipArchive extension/
*
* @author Michiel Rook <michiel.rook@gmail.com>
* @version $Id: ZipTask.php 1379 2011-12-07 19:59:40Z mrook $
* @package phing.tasks.ext
* @since 2.1.0
*/
class ZipTask extends MatchingTask {
/**
* @var PhingFile
*/
private $zipFile;
/**
* @var PhingFile
*/
private $baseDir;
/**
* Whether to include empty dirs in the archive.
*/
private $includeEmpty = true;
private $filesets = array();
private $fileSetFiles = array();
/**
* File path prefix in zip archive
*
* @var string
*/
private $prefix = null;
/**
* Add a new fileset.
* @return FileSet
*/
public function createFileSet() {
$this->fileset = new ZipFileSet();
$this->filesets[] = $this->fileset;
return $this->fileset;
}
/**
* Set is the name/location of where to create the zip file.
* @param PhingFile $destFile The output of the zip
*/
public function setDestFile(PhingFile $destFile) {
$this->zipFile = $destFile;
}
/**
* This is the base directory to look in for things to zip.
* @param PhingFile $baseDir
*/
public function setBasedir(PhingFile $baseDir) {
$this->baseDir = $baseDir;
}
/**
* Sets the file path prefix for file in the zip file.
*
* @param string $prefix Prefix
*
* @return void
*/
public function setPrefix($prefix) {
$this->prefix = $prefix;
}
/**
* Set the include empty dirs flag.
* @param boolean Flag if empty dirs should be tarred too
* @return void
* @access public
*/
public function setIncludeEmptyDirs($bool) {
$this->includeEmpty = (boolean) $bool;
}
/**
* do the work
* @throws BuildException
*/
public function main() {
if ($this->zipFile === null) {
throw new BuildException("zipfile attribute must be set!", $this->getLocation());
}
if ($this->zipFile->exists() && $this->zipFile->isDirectory()) {
throw new BuildException("zipfile is a directory!", $this->getLocation());
}
if ($this->zipFile->exists() && !$this->zipFile->canWrite()) {
throw new BuildException("Can not write to the specified zipfile!", $this->getLocation());
}
// shouldn't need to clone, since the entries in filesets
// themselves won't be modified -- only elements will be added
$savedFileSets = $this->filesets;
try {
if ($this->baseDir !== null) {
if (!$this->baseDir->exists()) {
throw new BuildException("basedir '" . (string) $this->baseDir . "' does not exist!", $this->getLocation());
}
if (empty($this->filesets))
{
// add the main fileset to the list of filesets to process.
$mainFileSet = new ZipFileSet($this->fileset);
$mainFileSet->setDir($this->baseDir);
$this->filesets[] = $mainFileSet;
}
}
if (empty($this->filesets)) {
throw new BuildException("You must supply either a basedir "
. "attribute or some nested filesets.",
$this->getLocation());
}
// check if zip is out of date with respect to each
// fileset
$upToDate = true;
foreach($this->filesets as $fs) {
$files = $fs->getFiles($this->project, $this->includeEmpty);
if (!$this->archiveIsUpToDate($files, $fs->getDir($this->project))) {
$upToDate = false;
}
for ($i=0, $fcount=count($files); $i < $fcount; $i++) {
if ($this->zipFile->equals(new PhingFile($fs->getDir($this->project), $files[$i]))) {
throw new BuildException("A zip file cannot include itself", $this->getLocation());
}
}
}
if ($upToDate) {
$this->log("Nothing to do: " . $this->zipFile->__toString() . " is up to date.", Project::MSG_INFO);
return;
}
$this->log("Building zip: " . $this->zipFile->__toString(), Project::MSG_INFO);
$zip = new ZipArchive();
$res = $zip->open($this->zipFile->getAbsolutePath(), ZIPARCHIVE::CREATE);
if ($res !== true)
{
throw new Exception("ZipArchive::open() failed with code " . $res);
}
foreach($this->filesets as $fs) {
$fsBasedir = (null != $this->baseDir) ? $this->baseDir :
$fs->getDir($this->project);
$files = $fs->getFiles($this->project, $this->includeEmpty);
$filesToZip = array();
for ($i=0, $fcount=count($files); $i < $fcount; $i++) {
$f = new PhingFile($fsBasedir, $files[$i]);
$pathInZip = $this->prefix
. $f->getPathWithoutBase($fsBasedir);
$pathInZip = str_replace('\\', '/', $pathInZip);
if ($f->isDirectory()) {
if ($pathInZip != '.') {
$zip->addEmptyDir($pathInZip);
}
} else {
$zip->addFile($f->getPath(), $pathInZip);
}
$this->log("Adding " . $f->getPath() . " as " . $pathInZip . " to archive.", Project::MSG_VERBOSE);
}
}
$zip->close();
} catch (IOException $ioe) {
$msg = "Problem creating ZIP: " . $ioe->getMessage();
$this->filesets = $savedFileSets;
throw new BuildException($msg, $ioe, $this->getLocation());
}
$this->filesets = $savedFileSets;
}
/**
* @param array $files array of filenames
* @param PhingFile $dir
* @return boolean
*/
protected function archiveIsUpToDate($files, $dir) {
$sfs = new SourceFileScanner($this);
$mm = new MergeMapper();
$mm->setTo($this->zipFile->getAbsolutePath());
return count($sfs->restrict($files, $dir, null, $mm)) == 0;
}
}
/**
* This is a FileSet with the to specify permissions.
*
* Permissions are currently not implemented by PEAR Archive_Tar,
* but hopefully they will be in the future.
*
* @package phing.tasks.ext
*/
class ZipFileSet extends FileSet {
private $files = null;
/**
* Get a list of files and directories specified in the fileset.
* @return array a list of file and directory names, relative to
* the baseDir for the project.
*/
public function getFiles(Project $p, $includeEmpty = true) {
if ($this->files === null) {
$ds = $this->getDirectoryScanner($p);
$this->files = $ds->getIncludedFiles();
// build a list of directories implicitly added by any of the files
$implicitDirs = array();
foreach($this->files as $file) {
$implicitDirs[] = dirname($file);
}
$incDirs = $ds->getIncludedDirectories();
// we'll need to add to that list of implicit dirs any directories
// that contain other *directories* (and not files), since otherwise
// we get duplicate directories in the resulting tar
foreach($incDirs as $dir) {
foreach($incDirs as $dircheck) {
if (!empty($dir) && $dir == dirname($dircheck)) {
$implicitDirs[] = $dir;
}
}
}
$implicitDirs = array_unique($implicitDirs);
$emptyDirectories = array();
if ($includeEmpty) {
// Now add any empty dirs (dirs not covered by the implicit dirs)
// to the files array.
foreach($incDirs as $dir) { // we cannot simply use array_diff() since we want to disregard empty/. dirs
if ($dir != "" && $dir != "." && !in_array($dir, $implicitDirs)) {
// it's an empty dir, so we'll add it.
$emptyDirectories[] = $dir;
}
}
} // if $includeEmpty
$this->files = array_merge($implicitDirs, $emptyDirectories, $this->files);
sort($this->files);
} // if ($this->files===null)
return $this->files;
}
}
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