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<?php
/*
* $Id: ContainsRegexpSelector.php,v 1.3 2005/05/26 13:10:53 mrook 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/types/selectors/BaseExtendSelector.php';
include_once 'phing/types/RegularExpression.php';
/**
* Selector that filters files based on whether they contain a
* particular string using regexp.
*
* @author Hans Lellelid <hans@xmpl.org> (Phing)
* @author Bruce Atherton <bruce@callenish.com> (Ant)
* @version $Revision: 1.3 $
* @package phing.types.selectors
*/
class ContainsRegexpSelector extends BaseExtendSelector {
/** @var string The expression set from XML. */
private $userProvidedExpression;
/** @var Regexp */
private $myExpression;
private $casesensitive = true;
/** @var RegularExpression */
private $myRegExp;
const EXPRESSION_KEY = "expression";
const CASE_KEY = "casesensitive";
public function toString() {
$buf = "{containsregexpselector expression: ";
$buf .= $this->userProvidedExpression;
$buf .= " casesensitive: ";
if ($this->casesensitive) {
$buf .= "true";
} else {
$buf .= "false";
}
$buf .= "}";
return $buf;
}
/**
* The expression to match on within a file.
*
* @param string $exp the string that a file must contain to be selected.
*/
public function setExpression($exp) {
$this->userProvidedExpression = $exp;
}
/**
* Whether to ignore case in the regex match.
*
* @param boolean $casesensitive whether to pay attention to case sensitivity
*/
public function setCasesensitive($casesensitive) {
$this->casesensitive = $casesensitive;
}
/**
* When using this as a custom selector, this method will be called.
* It translates each parameter into the appropriate setXXX() call.
*
* @param array $parameters the complete set of parameters for this selector
*/
public function setParameters($parameters) {
parent::setParameters($parameters);
if ($parameters !== null) {
for ($i=0,$size=count($parameters); $i < $size; $i++) {
$paramname = $parameters[$i]->getName();
switch(strtolower($paramname)) {
case self::EXPRESSION_KEY:
$this->setExpression($parameters[$i]->getValue());
break;
case self::CASE_KEY:
$this->setCasesensitive($parameters[$i]->getValue());
break;
default:
$this->setError("Invalid parameter " . $paramname);
}
} // for each param
} // if params
}
/**
* Checks to make sure all settings are kosher. In this case, it
* means that the pattern attribute has been set.
*
*/
public function verifySettings() {
if ($this->userProvidedExpression === null) {
$this->setError("The expression attribute is required");
}
}
/**
* The heart of the matter. This is where the selector gets to decide
* on the inclusion of a file in a particular fileset.
*
* @param basedir the base directory the scan is being done from
* @param filename is the name of the file to check
* @param file a PhingFile object the selector can use
* @return whether the file should be selected or not
*/
public function isSelected(PhingFile $basedir, $filename, PhingFile $file) {
$this->validate();
if ($file->isDirectory()) {
return true;
}
if ($this->myRegExp === null) {
$this->myRegExp = new RegularExpression();
$this->myRegExp->setPattern($this->userProvidedExpression);
if (!$this->casesensitive) {
$this->myRegExp->setIgnoreCase(true);
}
$this->myExpression = $this->myRegExp->getRegexp($this->getProject());
}
$in = null;
try {
$in = new BufferedReader(new FileReader($file));
$teststr = $in->readLine();
while ($teststr !== null) {
if ($this->myExpression->matches($teststr)) {
return true;
}
$teststr = $in->readLine();
}
return false;
} catch (IOException $ioe) {
if ($in) $in->close();
throw new BuildException("Could not read file " . $filename);
}
$in->close();
}
}
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