diff options
Diffstat (limited to 'buildscripts/phing/classes/phing/system/io/BufferedReader.php')
| -rw-r--r-- | buildscripts/phing/classes/phing/system/io/BufferedReader.php | 170 |
1 files changed, 0 insertions, 170 deletions
diff --git a/buildscripts/phing/classes/phing/system/io/BufferedReader.php b/buildscripts/phing/classes/phing/system/io/BufferedReader.php deleted file mode 100644 index 4946985c..00000000 --- a/buildscripts/phing/classes/phing/system/io/BufferedReader.php +++ /dev/null @@ -1,170 +0,0 @@ -<?php -/* - * $Id: BufferedReader.php,v 1.6 2005/12/27 19:12:13 hlellelid 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/Reader.php'; - -/* - * Convenience class for reading files. - * - * @author <a href="mailto:yl@seasonfive.com">Yannick Lecaillez</a> - * @version $Revision: 1.6 $ $Date: 2005/12/27 19:12:13 $ - * @access public - * @see FilterReader - * @package phing.system.io -*/ -class BufferedReader extends Reader { - - private $bufferSize = 0; - private $buffer = null; - private $bufferPos = 0; - - /** - * The Reader we are buffering for. - */ - private $in; - - /** - * - * @param object $reader The reader (e.g. FileReader). - * @param integer $buffsize The size of the buffer we should use for reading files. - * A large buffer ensures that most files (all scripts?) are parsed in 1 buffer. - */ - function __construct(Reader $reader, $buffsize = 65536) { - $this->in = $reader; - $this->bufferSize = $buffsize; - } - - /** - * Reads and returns $_bufferSize chunk of data. - * @return mixed buffer or -1 if EOF. - */ - function read($len = null) { - // ignore $len param, not sure how to hanlde it, since - // this should only read bufferSize amount of data. - if ($len !== null) { - $this->currentPosition = ftell($this->fd); - } - - if ( ($data = $this->in->read($this->bufferSize)) !== -1 ) { - - // not all files end with a newline character, so we also need to check EOF - if (!$this->in->eof()) { - - $notValidPart = strrchr($data, "\n"); - $notValidPartSize = strlen($notValidPart); - - if ( $notValidPartSize > 1 ) { - // Block doesn't finish on a EOL - // Find the last EOL and forgot all following stuff - $dataSize = strlen($data); - $validSize = $dataSize - $notValidPartSize + 1; - - $data = substr($data, 0, $validSize); - - // Rewind to the begining of the forgotten stuff. - $this->in->skip(-$notValidPartSize+1); - } - - } // if !EOF - } - return $data; - } - - function skip($n) { - return $this->in->skip($n); - } - - function reset() { - return $this->in->reset(); - } - - function close() { - return $this->in->close(); - } - - function open() { - return $this->in->open(); - } - - /** - * Read a line from input stream. - */ - function readLine() { - $line = null; - while ( ($ch = $this->readChar()) !== -1 ) { - if ( $ch === "\n" ) { - break; - } - $line .= $ch; - } - - // Warning : Not considering an empty line as an EOF - if ( $line === null && $ch !== -1 ) - return ""; - - return $line; - } - - /** - * Reads a single char from the reader. - * @return string single char or -1 if EOF. - */ - function readChar() { - - if ( $this->buffer === null ) { - // Buffer is empty, fill it ... - $read = $this->in->read($this->bufferSize); - if ($read === -1) { - $ch = -1; - } else { - $this->buffer = $read; - return $this->readChar(); // recurse - } - } else { - // Get next buffered char ... - // handle case where buffer is read-in, but is empty. The next readChar() will return -1 EOF, - // so we just return empty string (char) at this point. (Probably could also return -1 ...?) - $ch = ($this->buffer !== "") ? $this->buffer{$this->bufferPos} : ''; - $this->bufferPos++; - if ( $this->bufferPos >= strlen($this->buffer) ) { - $this->buffer = null; - $this->bufferPos = 0; - } - } - - return $ch; - } - - /** - * Returns whether eof has been reached in stream. - * This is important, because filters may want to know if the end of the file (and not just buffer) - * has been reached. - * @return boolean - */ - function eof() { - return $this->in->eof(); - } - - function getResource() { - return $this->in->getResource(); - } -} -?> |