diff options
Diffstat (limited to 'buildscripts/phing/classes/phing/system/io/FileWriter.php')
-rw-r--r-- | buildscripts/phing/classes/phing/system/io/FileWriter.php | 139 |
1 files changed, 139 insertions, 0 deletions
diff --git a/buildscripts/phing/classes/phing/system/io/FileWriter.php b/buildscripts/phing/classes/phing/system/io/FileWriter.php new file mode 100644 index 00000000..d6265777 --- /dev/null +++ b/buildscripts/phing/classes/phing/system/io/FileWriter.php @@ -0,0 +1,139 @@ +<?php +/* + * $Id: FileWriter.php,v 1.7 2005/05/26 13:10:52 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>. + */ + +include_once 'phing/system/io/PhingFile.php'; +include_once 'phing/system/io/Writer.php'; + +/** + * Convenience class for reading files. The constructor of this + * + * @package phing.system.io + */ +class FileWriter extends Writer { + + protected $file; + protected $fd; + + /** Whether to append contents to file. */ + protected $append; + + /** Whether we should attempt to lock the file (currently disabled). */ + protected $exclusive; + + /** + * Construct a new FileWriter. + * @param mixed $file PhingFile or string pathname. + * @param boolean $append Append to existing file? + * @param boolean $exclusive Lock file? (currently disabled due to windows incompatibility) + */ + function __construct($file, $append = false, $exclusive = false) { + if ($file instanceof PhingFile) { + $this->file = $file; + } elseif (is_string($file)) { + $this->file = new PhingFile($file); + } else { + throw new Exception("Invalid argument type for \$file."); + } + $this->append = $append; + $this->exclusive = $exclusive; + } + + function close() { + if ($this->fd === null) { + return true; + } + + if (false === @fclose($this->fd)) { + // FAILED. + $msg = "Cannot fclose " . $this->file->__toString() . " $php_errormsg"; + throw new IOException($msg); + } else { + $this->fd = null; + return true; + } + } + + function open() { + if ($this->fd === null) { + if ($this->append) { $flags = "ab"; } else { $flags = "wb"; } + $this->fd = @fopen($this->file->getPath(), $flags); + } + + if ($this->fd === false) { + // fopen FAILED. + // Add error from php to end of log message. $php_errormsg. + $msg = "Cannot fopen ".$this->file->getPath()." $php_errormsg"; + throw new IOException($msg); + } + + if (false) { + // Locks don't seem to work on windows??? HELP!!!!!!!!! + // if (FALSE === @flock($fp, LOCK_EX)) { // FAILED. + $msg = "Cannot acquire flock on $file. $php_errormsg"; + throw new IOException($msg); + } + + return true; + } + + function reset() { + // FIXME -- what exactly should this do, if anything? + // reset to beginning of file (i.e. re-open)? + } + + function writeBuffer($buffer) { + + if (!$this->file->canWrite()) { + throw new IOException("No permission to write to file: " . $this->file->__toString()); + } + + $this->open(); + $result = @fwrite($this->fd, $buffer); + $this->close(); + + if ($result === false) { + throw new IOException("Error writing file: ". $this->file->toString()); + } else { + return true; + } + } + + function write($buf, $off = null, $len = null) { + if ( $off === null && $len === null ) + $to_write = $buf; + else + $to_write = substr($buf, $off, $len); + + $this->open(); + $result = @fwrite($this->fd, $to_write); + + if ( $result === false ) { + throw new IOException("Error writing file."); + } else { + return true; + } + } + + function getResource() { + return $this->file->toString(); + } +} +?> |