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/* Copyright (C) 2023 ebandal
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>
*/
/* 본 제품은 한글과컴퓨터의 ᄒᆞᆫ글 문서 파일(.hwp) 공개 문서를 참고하여 개발하였습니다.
* 개방형 워드프로세서 마크업 언어(OWPML) 문서 구조 KS X 6101:2018 문서를 참고하였습니다.
* 작성자 : 반희수 ebandal@gmail.com
* 작성일 : 2022.10
*/
package HwpDoc.HwpElement;
import java.nio.charset.StandardCharsets;
import java.util.logging.Logger;
import org.w3c.dom.NamedNodeMap;
import org.w3c.dom.Node;
import HwpDoc.HanType;
import HwpDoc.HwpDocInfo;
import HwpDoc.Exception.HwpParseException;
public class HwpRecord_BinData extends HwpRecord {
private static final Logger log = Logger.getLogger(HwpRecord_BinData.class.getName());
public Type type;
public Compressed compressed;
public State state;
public String aPath; // Type이 "LINK"일때, 연결 파일의 절대 경로
// public String rPath; // Type이 "LINK"일때, 연결 파일의 상대 경로
public short binDataID; // Type이 "EMBEDDING"이거나 "STORAGE"일때, BINDATASTORAGE에 저장된 바이너리 데이터의 아이디
public String format; // Type이 "EMBEDDING"일때, extension("."제외)
public String itemId; // hwpx에서는 itemId가 String
HwpRecord_BinData(int tagNum, int level, int size) {
super(tagNum, level, size);
}
public HwpRecord_BinData(HwpDocInfo docInfo, int tagNum, int level, int size, byte[] buf, int off, int version)
throws HwpParseException {
this(tagNum, level, size);
if (docInfo.hanType == HanType.HWP) {
if (docInfo.getParentHwp().getBinData() == null) {
docInfo.getParentHwp().setBinData(docInfo.getParentHwp().getOleFile().getChildEntries("BinData"));
}
}
int offset = off;
short typeBits = (short) (buf[offset + 1] << 8 & 0xFF00 | buf[offset] & 0x00FF);
offset += 2;
type = Type.from(typeBits & 0x0F);
compressed = Compressed.from(typeBits & 0x30);
state = State.from(typeBits & 0x300);
int pathLen1 = 0, pathLen2 = 0;
if (type == Type.LINK) {
pathLen1 = (buf[offset + 1] << 8 & 0xFF00 | buf[offset] & 0x00FF) * 2;
offset += 2;
if (pathLen1 > 0) {
aPath = new String(buf, offset, pathLen1, StandardCharsets.UTF_16LE);
offset += pathLen1;
log.finest(" " + aPath + "(AbsoluteLink)");
}
pathLen2 = (buf[offset + 1] << 8 & 0xFF00 | buf[offset] & 0x00FF) * 2;
offset += 2;
if (pathLen2 > 0) {
// rPath = new String(buf, offset, pathLen2, StandardCharsets.UTF_16LE);
offset += pathLen2;
// log.fine(" " + rPath + "(RelativeLink)");
}
}
if (type == Type.EMBEDDING || type == Type.STORAGE) {
binDataID = (short) (buf[offset + 1] << 8 & 0xFF00 | buf[offset] & 0x00FF);
offset += 2;
// aPath =
// docInfo.getParentHwp().getBinData().get(binDataID-1).getDirectoryEntryName().trim();
itemId = String.valueOf(binDataID);
}
if (type == Type.EMBEDDING || type == Type.STORAGE) {
int extLen = (buf[offset + 1] << 8 & 0xFF00 | buf[offset] & 0x00FF) * 2;
offset += 2;
if (extLen > 0) {
format = new String(buf, offset, extLen, StandardCharsets.UTF_16LE);
offset += extLen;
}
aPath = String.format("BIN%04X.%s", binDataID, format);
log.fine(" " + "ID=" + binDataID + "(" + aPath + ")");
}
if (offset - off - size != 0) {
throw new HwpParseException();
}
}
public HwpRecord_BinData(Node node, int version) {
super(HwpTag.HWPTAG_BIN_DATA, 0, 0);
NamedNodeMap attributes = node.getAttributes();
itemId = attributes.getNamedItem("id").getNodeValue();
Node tempNode = attributes.getNamedItem("isEmbeded");
if (tempNode != null) {
switch (tempNode.getNodeValue()) {
case "0":
type = Type.LINK;
if (attributes.getNamedItem("sub-path") != null) {
aPath = attributes.getNamedItem("sub-path").getNodeValue();
}
if (aPath == null) {
aPath = attributes.getNamedItem("href").getNodeValue();
}
break;
case "1":
type = Type.EMBEDDING;
aPath = attributes.getNamedItem("href").getNodeValue();
break;
}
} else {
aPath = attributes.getNamedItem("href").getNodeValue();
}
format = attributes.getNamedItem("media-type").getNodeValue();
if (format.matches("image/(.*)")) {
format = format.replaceAll("image/(.*)", "$1");
}
}
public static enum Type {
LINK (0),
EMBEDDING (1),
STORAGE (2);
private int type;
private Type(int type) {
this.type = type;
}
public static Type from(int type) {
for (Type typeNum : values()) {
if (typeNum.type == type)
return typeNum;
}
return null;
}
}
public static enum Compressed {
FOLLOW_STORAGE (0x00),
COMPRESS (0x10),
NO_COMPRESS (0x20);
private int comp;
private Compressed(int comp) {
this.comp = comp;
}
public static Compressed from(int comp) {
for (Compressed compNum : values()) {
if (compNum.comp == comp)
return compNum;
}
return null;
}
}
public static enum State {
NEVER_ACCESSED (0x000),
FOUND_FILE_BY_ACCESS(0x100),
ACCESS_FAILED (0x200),
LINK_ACCESS_IGNORED (0x400);
private int state;
private State(int state) {
this.state = state;
}
public static State from(int state) {
for (State stateNum : values()) {
if (stateNum.state == state)
return stateNum;
}
return null;
}
}
}
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