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<?php
/*
* $Id: Mapper.php 532 2009-08-21 13:32:13Z 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>.
*/
include_once 'phing/types/DataType.php';
include_once 'phing/types/Path.php';
/**
* Filename Mapper maps source file name(s) to target file name(s).
*
* Built-in mappers can be accessed by specifying they "type" attribute:
* <code>
* <mapper type="glob" from="*.php" to="*.php.bak"/>
* </code>
* Custom mappers can be specified by providing a dot-path to a include_path-relative
* class:
* <code>
* <mapper classname="myapp.mappers.DevToProdMapper" from="*.php" to="*.php"/>
* <!-- maps all PHP files from development server to production server, for example -->
* </code>
*
* @author Hans Lellelid <hans@xmpl.org>
* @package phing.types
*/
class Mapper extends DataType {
protected $type;
protected $classname;
protected $from;
protected $to;
protected $classpath;
protected $classpathId;
function __construct(Project $project) {
$this->project = $project;
}
/**
* Set the classpath to be used when searching for component being defined
*
* @param Path $classpath An Path object containing the classpath.
*/
public function setClasspath(Path $classpath) {
if ($this->isReference()) {
throw $this->tooManyAttributes();
}
if ($this->classpath === null) {
$this->classpath = $classpath;
} else {
$this->classpath->append($classpath);
}
}
/**
* Create the classpath to be used when searching for component being defined
*/
public function createClasspath() {
if ($this->isReference()) {
throw $this->tooManyAttributes();
}
if ($this->classpath === null) {
$this->classpath = new Path($this->project);
}
return $this->classpath->createPath();
}
/**
* Reference to a classpath to use when loading the files.
*/
public function setClasspathRef(Reference $r) {
if ($this->isReference()) {
throw $this->tooManyAttributes();
}
$this->classpathId = $r->getRefId();
$this->createClasspath()->setRefid($r);
}
/** Set the type of FileNameMapper to use. */
function setType($type) {
if ($this->isReference()) {
throw $this->tooManyAttributes();
}
$this->type = $type;
}
/** Set the class name of the FileNameMapper to use. */
function setClassname($classname) {
if ($this->isReference()) {
throw $this->tooManyAttributes();
}
$this->classname = $classname;
}
/**
* Set the argument to FileNameMapper.setFrom
*/
function setFrom($from) {
if ($this->isReference()) {
throw $this->tooManyAttributes();
}
$this->from = $from;
}
/**
* Set the argument to FileNameMapper.setTo
*/
function setTo($to) {
if ($this->isReference()) {
throw $this->tooManyAttributes();
}
$this->to = $to;
}
/**
* Make this Mapper instance a reference to another Mapper.
*
* You must not set any other attribute if you make it a reference.
*/
function setRefid(Reference $r) {
if ($this->type !== null || $this->from !== null || $this->to !== null) {
throw DataType::tooManyAttributes();
}
parent::setRefid($r);
}
/** Factory, returns inmplementation of file name mapper as new instance */
function getImplementation() {
if ($this->isReference()) {
$tmp = $this->getRef();
return $tmp->getImplementation();
}
if ($this->type === null && $this->classname === null) {
throw new BuildException("either type or classname attribute must be set for <mapper>");
}
if ($this->type !== null) {
switch($this->type) {
case 'identity':
$this->classname = 'phing.mappers.IdentityMapper';
break;
case 'flatten':
$this->classname = 'phing.mappers.FlattenMapper';
break;
case 'glob':
$this->classname = 'phing.mappers.GlobMapper';
break;
case 'regexp':
case 'regex':
$this->classname = 'phing.mappers.RegexpMapper';
break;
case 'merge':
$this->classname = 'phing.mappers.MergeMapper';
break;
default:
throw new BuildException("Mapper type {$this->type} not known");
break;
}
}
// get the implementing class
$cls = Phing::import($this->classname, $this->classpath);
$m = new $cls;
$m->setFrom($this->from);
$m->setTo($this->to);
return $m;
}
/** Performs the check for circular references and returns the referenced Mapper. */
private function getRef() {
if (!$this->checked) {
$stk = array();
$stk[] = $this;
$this->dieOnCircularReference($stk, $this->project);
}
$o = $this->ref->getReferencedObject($this->project);
if (!($o instanceof Mapper)) {
$msg = $this->ref->getRefId()." doesn't denote a mapper";
throw new BuildException($msg);
} else {
return $o;
}
}
}
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