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C:/xampp/php/PEAR/phing/types/_[ Writable ]

File:C:/xampp/php/PEAR/phing/types/FileList.php

<?php
/*
 *  $Id: FileList.php 209 2007-08-01 22:42:00Z hans $
 *
 * 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/DataType.php';
include_once 'phing/system/io/PhingFile.php';

/**
 * FileList represents an explicitly named list of files. FileLists
 * are useful when you want to capture a list of files regardless of
 * whether they currently exist.
 *
 * <filelist 
 *    id="docfiles" 
 *   dir="${phing.docs.dir}"
 *   files="chapters/Installation.html,chapters/Setup.html"/> 
 *
 * OR 
 * 
 * <filelist
 *         dir="${doc.src.dir}"
 *         listfile="${phing.docs.dir}/PhingGuide.book"/>
 * 
 * (or a mixture of files="" and listfile="" can be used)
 * 
 * @author Hans Lellelid <hans@xmpl.org>
 * @version $Revision: 1.10 $
 * @package phing.types
 */
class FileList extends DataType {
        
    // public for "cloning" purposes
    
    /** Array containing all filenames. */
    public $filenames = array();
    
    /** Base directory for this file list. */
    public $dir;
    
    /** PhingFile that contains a list of files (one per line). */
    public $listfile;
    
    /**
     * Construct a new FileList.
     * @param array $filelist;
     */
    function __construct($filelist = null) {
        if ($filelist !== null) {
            $this->dir       = $filelist->dir;
            $this->filenames = $filelist->filenames;
            $this->listfile = $filelist->listfile;
        }
    }

    /**
     * Makes this instance in effect a reference to another FileList
     * instance.
     */
    function setRefid(Reference $r) {
        if ($this->dir !== null || count($this->filenames) !== 0) {
            throw $this->tooManyAttributes();
        }
        parent::setRefid($r);
    }

    /**
     * Base directory for files in list.
     * @param PhingFile $dir
     */
    function setDir(PhingFile $dir) {
        if ($this->isReference()) {
            throw $this->tooManyAttributes();
        }
        if (!($dir instanceof PhingFile)) {
            $dir = new PhingFile($dir);
        }
        $this->dir = $dir;
    }
    
    /**
     * Get the basedir for files in list.
     * @return PhingFile
     */
    function getDir(Project $p) {
        if ($this->isReference()) {
            $ref = $this->getRef($p);
            return $ref->getDir($p);
        }
        return $this->dir;
    }
    
    /**
     * Set the array of files in list.
     * @param array $filenames
     */
    function setFiles($filenames) {
        if ($this->isReference()) {
            throw $this->tooManyAttributes();
        }
        if (!empty($filenames)) {
            $tok = strtok($filenames, ", \t\n\r");            
            while ($tok !== false) {
                $fname = trim($tok);
                if ($fname !== "") {
                    $this->filenames[] = $tok;
                }
                $tok = strtok(", \t\n\r");
            }
        }
    }
    
    /**
     * Sets a source "list" file that contains filenames to add -- one per line.
     * @param string $file
     */
    function setListFile($file) {
        if ($this->isReference()) {
            throw $this->tooManyAttributes();
        }
        if (!($file instanceof PhingFile)) {
            $file = new PhingFile($file);
        }
        $this->listfile = $file;
    }
    
    /**
     * Get the source "list" file that contains file names.
     * @param Project $p
     * @return PhingFile
     */
    function getListFile(Project $p) {
        if ($this->isReference()) {
            $ref = $this->getRef($p);
            return $ref->getListFile($p);
        }
        return $this->listfile;
    }

    /**
     * Returns the list of files represented by this FileList.
     * @param Project $p
     * @return array
     */
    function getFiles(Project $p) {
    
        if ($this->isReference()) {
            $ret = $this->getRef($p);
            $ret = $ret->getFiles($p);
            return $ret;
        }
        
        if ($this->listfile !== null) {
            $this->readListFile($p);
        }
        
        return $this->filenames;
    }


    /**
      * Performs the check for circular references and returns the
      * referenced FileSet.
      * @param Project $p
      */
    function getRef(Project $p) {
        if (!$this->checked) {
            $stk = array();
            array_push($stk, $this);
            $this->dieOnCircularReference($stk, $p);            
        }

        $o = $this->ref->getReferencedObject($p);
        if (!($o instanceof FileList)) {
            throw new BuildException($this->ref->getRefId()." doesn't denote a filelist");
        } else {
            return $o;
        }
    }

    /**
     * Reads file names from a file and adds them to the files array.
     * @param Project $p
     */
    private function readListFile(Project $p) {
        $listReader = null;
        try {
            // Get a FileReader
            $listReader = new BufferedReader(new FileReader($this->listfile)); 
        
            $line = $listReader->readLine();
            while ($line !== null) {
                if (!empty($line)) {
                    $line = $p->replaceProperties($line);
                    $this->filenames[] = trim($line);
                }
                $line = $listReader->readLine();
            }            
        } catch (Exception $e)  {
            if ($listReader) $listReader->close();            
            throw new BuildException("An error occured while reading from list file " . $this->listfile->__toString() . ": " . $e->getMessage()); 
        } 
        
        $listReader->close();        
    }

}

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