From 124f869faae3a0f75a3825e6a8e195c17f3c626a Mon Sep 17 00:00:00 2001
From: Andrew Dolgov <noreply@fakecake.org>
Date: Thu, 16 Oct 2014 23:34:20 +0400
Subject: initial for idea

---
 .../java/com/github/junrar/rarfile/MainHeader.java | 141 +++++++++++++++++++++
 1 file changed, 141 insertions(+)
 create mode 100644 org.fox.ttcomics/src/main/java/com/github/junrar/rarfile/MainHeader.java

(limited to 'org.fox.ttcomics/src/main/java/com/github/junrar/rarfile/MainHeader.java')

diff --git a/org.fox.ttcomics/src/main/java/com/github/junrar/rarfile/MainHeader.java b/org.fox.ttcomics/src/main/java/com/github/junrar/rarfile/MainHeader.java
new file mode 100644
index 0000000..8c3e89f
--- /dev/null
+++ b/org.fox.ttcomics/src/main/java/com/github/junrar/rarfile/MainHeader.java
@@ -0,0 +1,141 @@
+/*
+ * Copyright (c) 2007 innoSysTec (R) GmbH, Germany. All rights reserved.
+ * Original author: Edmund Wagner
+ * Creation date: 22.05.2007
+ *
+ * Source: $HeadURL$
+ * Last changed: $LastChangedDate$
+ * 
+ * 
+ * the unrar licence applies to all junrar source and binary distributions 
+ * you are not allowed to use this source to re-create the RAR compression algorithm
+ *
+ * Here some html entities which can be used for escaping javadoc tags:
+ * "&":  "&#038;" or "&amp;"
+ * "<":  "&#060;" or "&lt;"
+ * ">":  "&#062;" or "&gt;"
+ * "@":  "&#064;" 
+ */
+package com.github.junrar.rarfile;
+
+import com.github.junrar.io.Raw;
+
+
+/**
+ * The main header of an rar archive. holds information concerning the whole archive (solid, encrypted etc). 
+ *
+ * @author $LastChangedBy$
+ * @version $LastChangedRevision$
+ */
+public class MainHeader extends BaseBlock {
+	//private Log //logger = LogFactory.getLog(MainHeader.class.getName());
+	public static final short mainHeaderSizeWithEnc = 7;
+	public static final short mainHeaderSize = 6;
+	private short highPosAv;
+	private int posAv;
+	private byte encryptVersion;
+	
+	public MainHeader(BaseBlock bb, byte[] mainHeader) {
+		super(bb);
+		int pos = 0;
+		highPosAv = Raw.readShortLittleEndian(mainHeader, pos);
+		pos += 2;
+		posAv = Raw.readIntLittleEndian(mainHeader, pos);
+		pos+=4;
+		
+		if(hasEncryptVersion()){
+			encryptVersion |= mainHeader[pos]&0xff;
+		}
+	}
+	
+	/**
+	 * old cmt block is present
+	 * @return true if has cmt block
+	 */
+	public boolean hasArchCmt(){
+		return (this.flags & BaseBlock.MHD_COMMENT)!=0;
+	}
+	/**
+	 * the version the the encryption 
+	 * @return
+	 */
+	public byte getEncryptVersion() {
+		return encryptVersion;
+	}
+	
+	public short getHighPosAv() {
+		return highPosAv;
+	}
+	
+	public int getPosAv() {
+		return posAv;
+	}
+	
+	/**
+	 * returns whether the archive is encrypted 
+	 * @return
+	 */
+	public boolean isEncrypted(){
+		return (this.flags & BaseBlock.MHD_PASSWORD)!=0;
+	}
+	
+	/**
+	 * return whether the archive is a multivolume archive
+	 * @return
+	 */
+	public boolean isMultiVolume(){
+		return (this.flags & BaseBlock.MHD_VOLUME)!=0;
+	}
+	
+	/**
+	 * if the archive is a multivolume archive this method returns whether this instance is the first part of the multivolume archive
+	 * @return
+	 */
+	public boolean isFirstVolume(){
+		return (this.flags & BaseBlock.MHD_FIRSTVOLUME)!=0;
+	}
+	
+	public void print(){
+		super.print();
+		StringBuilder str=new StringBuilder();
+		str.append("posav: "+getPosAv());
+		str.append("\nhighposav: "+getHighPosAv());
+		str.append("\nhasencversion: "+hasEncryptVersion()+(hasEncryptVersion()?getEncryptVersion():""));
+		str.append("\nhasarchcmt: "+hasArchCmt());
+		str.append("\nisEncrypted: "+isEncrypted());
+		str.append("\nisMultivolume: "+isMultiVolume());
+		str.append("\nisFirstvolume: "+isFirstVolume());
+		str.append("\nisSolid: "+isSolid());
+		str.append("\nisLocked: "+isLocked());
+		str.append("\nisProtected: "+isProtected());
+		str.append("\nisAV: "+isAV());
+		//logger.info(str.toString());
+	}
+	
+	/**
+	 * returns whether this archive is solid. in this case you can only extract all file at once
+	 * @return
+	 */
+	public boolean isSolid(){
+		return (this.flags&MHD_SOLID)!=0;
+	}
+	
+	public boolean isLocked(){
+		return (this.flags&MHD_LOCK)!=0;
+	}
+	
+	public boolean isProtected(){
+		return (this.flags&MHD_PROTECT)!=0;
+	}
+	
+	public boolean isAV(){
+		return (this.flags&MHD_AV)!=0;
+	}
+	/**
+	 * the numbering format a multivolume archive
+	 * @return
+	 */
+	public boolean isNewNumbering(){
+		return (this.flags&MHD_NEWNUMBERING)!=0;
+	}
+}
-- 
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