adding zend project folders into old campcaster.

library/phing/system/io/InputStream.php

@@ -0,0 +1,178 @@
+<?php
+/*
+ *  $Id: InputStream.php 905 2010-10-05 16:28:03Z 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>. 
+ */
+
+/**
+ * Wrapper class for PHP stream that supports read operations.
+ * 
+ * @package   phing.system.io
+ */
+class InputStream {
+    
+    /**
+     * @var resource The attached PHP stream.
+     */
+    protected $stream;
+    
+    /**
+     * @var int Position of stream cursor.
+     */
+    protected $currentPosition = 0;
+    
+    /**
+     * @var int Marked position of stream cursor.
+     */
+    protected $mark = 0;
+    
+    /**
+     * Construct a new InputStream.
+     * @param resource $stream Configured PHP stream for writing.
+     */
+    public function __construct($stream) {
+        if (!is_resource($stream)) {
+            throw new IOException("Passed argument is not a valid stream.");
+        }
+        $this->stream = $stream;
+    }
+
+    /**
+     * Skip over $n bytes.
+     * @param int $n
+     */
+    public function skip($n) {
+        $start = $this->currentPosition;
+
+        $ret = @fseek($this->stream, $n, SEEK_CUR);
+        if ( $ret === -1 )
+            return -1;
+
+        $this->currentPosition = ftell($this->stream);
+
+        if ( $start > $this->currentPosition )
+            $skipped = $start - $this->currentPosition;
+        else
+            $skipped = $this->currentPosition - $start;
+
+        return $skipped;
+    }
+    
+    /**
+     * Read data from stream until $len chars or EOF.
+     * @param int $len Num chars to read.  If not specified this stream will read until EOF.
+     * @return string chars read or -1 if eof.
+     */
+    public function read($len = null) {
+        
+        if ($this->eof()) {
+            return -1;
+        }
+        
+        if ($len === null) { // we want to keep reading until we get an eof
+            $out = "";
+            while(!$this->eof()) {
+                $out .= fread($this->stream, 8192);
+                $this->currentPosition = ftell($this->stream);
+            }
+        } else {
+            $out = fread($this->stream, $len); // adding 1 seems to ensure that next call to read() will return EOF (-1)
+            $this->currentPosition = ftell($this->stream);
+        }
+
+        return $out;
+    }    
+    
+    /**
+     * Marks the current position in this input stream.
+     * @throws IOException - if the underlying stream doesn't support this method.
+     */
+    public function mark() {
+        if (!$this->markSupported()) {
+            throw new IOException(get_class($this) . " does not support mark() and reset() methods.");
+        }
+        $this->mark = $this->currentPosition;
+    }
+    
+    /**
+     * Whether the input stream supports mark and reset methods.
+     * @return boolean
+     */
+    public function markSupported() {
+        return false;
+    }
+    
+    /**
+     * Repositions this stream to the position at the time the mark method was last called on this input stream.
+     * @throws IOException - if the underlying stream doesn't support this method.
+     */
+    function reset() {
+        if (!$this->markSupported()) {
+            throw new IOException(get_class($this) . " does not support mark() and reset() methods.");
+        }
+        // goes back to last mark, by default this would be 0 (i.e. rewind file).
+        fseek($this->stream, SEEK_SET, $this->mark);
+        $this->mark = 0;
+    }
+    
+    /**
+     * Closes stream.
+     * @throws IOException if stream cannot be closed (note that calling close() on an already-closed stream will not raise an exception)
+     */
+    public function close() {
+        if ($this->stream === null) {
+            return;
+        }
+        if (false === @fclose($this->stream)) {
+            // FAILED.
+            $msg = "Cannot fclose " . $this->file->__toString() . " $php_errormsg";
+            throw new IOException($msg);
+        }
+        $this->stream = null;
+    }
+    
+    /**
+     * Whether eof has been reached with stream.
+     * @return boolean
+     */
+    public function eof() {
+        return feof($this->stream);
+    }
+     
+    /**
+     * Reads a entire until EOF and places contents in passed-in variable.  Stream is closed after read.
+     *
+     * @param string &$rBuffer String variable where read contents will be put.
+     * @return TRUE on success.
+     * @author  Charlie Killian, charlie@tizac.com
+     * @throws IOException - if there is an error reading from stream.
+     * @deprecated - Instead, use the read() method or a BufferedReader.
+     */
+    public function readInto(&$rBuffer) {
+        $rBuffer = $this->read();
+        $this->close();
+    }
+    
+    /**
+     * Returns string representation of attached stream.
+     * @return string
+     */
+    public function __toString() {
+        return (string) $this->stream;
+    }
+}