Initial commit

2025-12-06 08:23:05 +00:00 · 2016-01-06 21:20:40 -02:00
commit a674090de8
31 changed files with 2518 additions and 0 deletions
--- a/src/Stream/Block/Sector.php
+++ b/src/Stream/Block/Sector.php
@@ -0,0 +1,129 @@
+<?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\Block;
+
+class Sector {
+
+	/**
+	 * The sector index
+	 *
+	 * @var integer
+	 */
+	private $index;
+
+	/**
+	 * The sector starting position (relative to the parent block)
+	 *
+	 * @var integer
+	 */
+	private $start;
+
+	/**
+	 * The sector ending position (relative to the parent block)
+	 *
+	 * @var integer
+	 */
+	private $end;
+
+	// -----------------------------------------------------------------------------------------------------------------
+
+	/**
+	 * Sector constructor.
+	 * @param $index integer the sector index
+	 * @param $start integer the sector starting position (relative to the parent block)
+	 * @param $end integer the sector ending position (relative to the parent block)
+	 */
+	public function __construct($index, $start, $end) {
+		$this->index = $index;
+		$this->start = $start;
+		$this->end = $end;
+	}
+
+	// -----------------------------------------------------------------------------------------------------------------
+
+	/**
+	 * @return mixed
+	 */
+	public function getIndex() {
+		return $this->index;
+	}
+
+	/**
+	 * @return mixed
+	 */
+	public function getStart() {
+		return $this->start;
+	}
+
+	/**
+	 * @return mixed
+	 */
+	public function getEnd() {
+		return $this->end;
+	}
+
+	public function getLength() {
+		return $this->end - $this->start;
+	}
+
+	// -----------------------------------------------------------------------------------------------------------------
+
+	public function intersectionBegin($start, $length) {
+		if($start < $this->start) {
+			return $this->start;
+		}
+		return $start - $this->start;
+	}
+
+	public function intersectionEnd($start, $length) {
+		if(($start + $length) > $this->end) {
+			return $this->getLength();
+		}
+		return $length;
+	}
+
+	public function contains($start, $length) {
+		if($start >= $this->start) {
+			if($start <= ($this->end)) {
+				return true;
+			}
+		}
+		return false;
+	}
+
+	public function fullyContains($start, $length) {
+		if($start >= $this->start) {
+			if(($start + $length) <= ($this->end)) {
+				return true;
+			}
+		}
+		return false;
+	}
+
+}