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<?php
/*
* $Id: ReplaceRegexpTask.php 552 2009-08-29 12:18:13Z 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>.
*/
require_once 'phing/Task.php';
/**
* ReplaceRegExp is a directory based task for replacing the occurrence of a given regular expression with a substitution
* pattern in a selected file or set of files.
*
* <code>
* <replaceregexp file="${src}/build.properties"
* match="OldProperty=(.*)"
* replace="NewProperty=\1"
* byline="true"/>
* </code>
*
* @author Jonathan Bond-Caron <jbondc@openmv.com>
* @version $Id: ReplaceRegexpTask.php 552 2009-08-29 12:18:13Z mrook $
* @package phing.tasks.system
* @see <http://ant.apache.org/manual/OptionalTasks/replaceregexp.html>
*/
class ReplaceRegexpTask extends Task {
/** Single file to process. */
private $file;
/** Any filesets that should be processed. */
private $filesets = array();
/**
* Regular expression
*
* @var RegularExpression
*/
private $_regexp;
/**
* File to apply regexp on
*
* @param string $path
*/
function setFile(PhingFile $path)
{
$this->file = $path;
}
/**
* Sets the regexp match pattern
*
* @param string $regexp
*/
function setMatch( $regexp )
{
$this->_regexp->setPattern( $regexp );
}
/**
* @see setMatch()
*/
function setPattern( $regexp )
{
$this->setMatch( $regexp );
}
/**
* Sets the replacement string
*
* @param string $string
*/
function setReplace( $string )
{
$this->_regexp->setReplace( $string );
}
/**
* Sets the regexp flags
*
* @param string $flags
*/
function setFlags( $flags )
{
// TODO... $this->_regexp->setFlags( $flags );
}
/**
* Match only per line
*
* @param bool $yesNo
*/
function setByline( $yesNo )
{
// TODO... $this->_regexp->
}
/** Nested creator, adds a set of files (nested fileset attribute). */
function createFileSet()
{
$num = array_push($this->filesets, new FileSet());
return $this->filesets[$num-1];
}
function init()
{
$this->_regexp = new RegularExpression;
}
function main()
{
if ($this->file === null && empty($this->filesets)) {
throw new BuildException("You must specify a file or fileset(s) for the <ReplaceRegexp> task.");
}
// compile a list of all files to modify, both file attrib and fileset elements
// can be used.
$files = array();
if ($this->file !== null) {
$files[] = $this->file;
}
if (!empty($this->filesets)) {
$filenames = array();
foreach($this->filesets as $fs) {
try {
$ds = $fs->getDirectoryScanner($this->project);
$filenames = $ds->getIncludedFiles(); // get included filenames
$dir = $fs->getDir($this->project);
foreach ($filenames as $fname) {
$files[] = new PhingFile($dir, $fname);
}
} catch (BuildException $be) {
$this->log($be->getMessage(), Project::MSG_WARN);
}
}
}
$this->log("Applying Regexp processing to " . count($files) . " files.");
// These "slots" allow filters to retrieve information about the currently-being-process files
$slot = $this->getRegisterSlot("currentFile");
$basenameSlot = $this->getRegisterSlot("currentFile.basename");
$filter = new FilterChain($this->project);
$r = new ReplaceRegexp;
$r->setRegexps(array($this->_regexp));
$filter->addReplaceRegexp($r);
$filters = array($filter);
foreach($files as $file) {
// set the register slots
$slot->setValue($file->getPath());
$basenameSlot->setValue($file->getName());
// 1) read contents of file, pulling through any filters
$in = null;
try {
$contents = "";
$in = FileUtils::getChainedReader(new FileReader($file), $filters, $this->project);
while(-1 !== ($buffer = $in->read())) {
$contents .= $buffer;
}
$in->close();
} catch (Exception $e) {
if ($in) $in->close();
$this->log("Erorr reading file: " . $e->getMessage(), Project::MSG_WARN);
}
try {
// now create a FileWriter w/ the same file, and write to the file
$out = new FileWriter($file);
$out->write($contents);
$out->close();
$this->log("Applying regexp processing to " . $file->getPath(), Project::MSG_VERBOSE);
} catch (Exception $e) {
if ($out) $out->close();
$this->log("Error writing file back: " . $e->getMessage(), Project::MSG_WARN);
}
}
}
}
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