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src/Stream/Parser/BinaryStreamParser.php

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+<?php
+/**
+ * Copyright (c) 2016, Rogiel Sulzbach
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ *
+ * 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 HOLDER 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.
+ */
+
+namespace Rogiel\MPQ\Stream\Parser;
+
+
+use Rogiel\MPQ\Stream\Stream;
+
+class BinaryStreamParser {
+	private $stream;
+
+	/**
+	 * BinaryStreamParser constructor.
+	 * @param Stream $stream
+	 */
+	public function __construct(Stream $stream) {
+		$this->stream = $stream;
+	}
+
+	public function seek($position) {
+		$this->stream->seek($position);
+	}
+
+	public function skip($bytes) {
+		$this->stream->skip($bytes);
+	}
+
+	// read little endian 32-bit integer
+	public function readUInt32() {
+		$t = unpack("V", $this->stream->readBytes(4));
+		return $t[1];
+	}
+
+	public function readUInt16() {
+		$t = unpack("v", $this->stream->readBytes(2));
+		return $t[1];
+	}
+	public function readByte() {
+		$t = unpack("C", $this->stream->readBytes(1));
+		return $t[1];
+	}
+
+	public function readBytes($size) {
+		return $this->stream->readBytes($size);
+	}
+
+}