| /* ==================================================================== |
| Licensed to the Apache Software Foundation (ASF) under one or more |
| contributor license agreements. See the NOTICE file distributed with |
| this work for additional information regarding copyright ownership. |
| The ASF licenses this file to You under the Apache License, Version 2.0 |
| (the "License"); you may not use this file except in compliance with |
| the License. You may obtain a copy of the License at |
| |
| http://www.apache.org/licenses/LICENSE-2.0 |
| |
| Unless required by applicable law or agreed to in writing, software |
| distributed under the License is distributed on an "AS IS" BASIS, |
| WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| See the License for the specific language governing permissions and |
| limitations under the License. |
| ==================================================================== */ |
| |
| package org.apache.poi.hwpf.sprm; |
| |
| import java.util.ArrayList; |
| import java.util.Arrays; |
| import java.util.List; |
| |
| import org.apache.poi.hwpf.usermodel.ParagraphProperties; |
| import org.apache.poi.util.Internal; |
| import org.apache.poi.util.LittleEndian; |
| |
| @Internal |
| public final class ParagraphSprmCompressor |
| { |
| public ParagraphSprmCompressor() |
| { |
| } |
| |
| public static byte[] compressParagraphProperty(ParagraphProperties newPAP, |
| ParagraphProperties oldPAP) |
| { |
| // page numbers links to Word97-2007BinaryFileFormat(doc)Specification.pdf, accessible from microsoft.com |
| |
| List<byte[]> sprmList = new ArrayList<>(); |
| int size = 0; |
| |
| // Page 50 of public specification begins |
| if (newPAP.getIstd() != oldPAP.getIstd()) |
| { |
| // sprmPIstd |
| size += SprmUtils.addSprm((short)0x4600, newPAP.getIstd(), null, sprmList); |
| } |
| if (newPAP.getJc() != oldPAP.getJc()) |
| { |
| // sprmPJc80 |
| size += SprmUtils.addSprm((short)0x2403, newPAP.getJc(), null, sprmList); |
| } |
| if (newPAP.getFSideBySide() != oldPAP.getFSideBySide()) |
| { |
| // sprmPFSideBySide |
| size += SprmUtils.addSprm((short)0x2404, newPAP.getFSideBySide(), sprmList); |
| } |
| if (newPAP.getFKeep() != oldPAP.getFKeep()) |
| { |
| size += SprmUtils.addSprm((short)0x2405, newPAP.getFKeep(), sprmList); |
| } |
| if (newPAP.getFKeepFollow() != oldPAP.getFKeepFollow()) |
| { |
| size += SprmUtils.addSprm((short)0x2406, newPAP.getFKeepFollow(), sprmList); |
| } |
| if (newPAP.getFPageBreakBefore() != oldPAP.getFPageBreakBefore()) |
| { |
| size += SprmUtils.addSprm((short)0x2407, newPAP.getFPageBreakBefore(), sprmList); |
| } |
| if (newPAP.getBrcl() != oldPAP.getBrcl()) |
| { |
| size += SprmUtils.addSprm((short)0x2408, newPAP.getBrcl(), null, sprmList); |
| } |
| if (newPAP.getBrcp() != oldPAP.getBrcp()) |
| { |
| size += SprmUtils.addSprm((short)0x2409, newPAP.getBrcp(), null, sprmList); |
| } |
| if (newPAP.getIlvl() != oldPAP.getIlvl()) |
| { |
| size += SprmUtils.addSprm((short)0x260A, newPAP.getIlvl(), null, sprmList); |
| } |
| if (newPAP.getIlfo() != oldPAP.getIlfo()) |
| { |
| size += SprmUtils.addSprm((short)0x460b, newPAP.getIlfo(), null, sprmList); |
| } |
| if (newPAP.getFNoLnn() != oldPAP.getFNoLnn()) |
| { |
| size += SprmUtils.addSprm((short)0x240C, newPAP.getFNoLnn(), sprmList); |
| } |
| if (newPAP.getItbdMac() != oldPAP.getItbdMac() || |
| !Arrays.equals(newPAP.getRgdxaTab(), oldPAP.getRgdxaTab()) || |
| !Arrays.equals(newPAP.getRgtbd(), oldPAP.getRgtbd())) |
| { |
| /** @todo revisit this */ |
| // byte[] oldTabArray = oldPAP.getRgdxaTab(); |
| // byte[] newTabArray = newPAP.getRgdxaTab(); |
| // byte[] newTabDescriptors = newPAP.getRgtbd(); |
| // byte[] varParam = new byte[2 + oldTabArray.length + newTabArray.length + |
| // newTabDescriptors.length]; |
| // varParam[0] = (byte)(oldTabArray.length/2); |
| // int offset = 1; |
| // System.arraycopy(oldTabArray, 0, varParam, offset, oldTabArray.length); |
| // offset += oldTabArray.length; |
| // varParam[offset] = (byte)(newTabArray.length/2); |
| // offset += 1; |
| // System.arraycopy(newTabArray, 0, varParam, offset, newTabArray.length); |
| // offset += newTabArray.length; |
| // System.arraycopy(newTabDescriptors, 0, varParam, offset, newTabDescriptors.length); |
| // |
| // size += SprmUtils.addSprm((short)0xC60D, 0, varParam, sprmList); |
| } |
| if (newPAP.getDxaLeft() != oldPAP.getDxaLeft()) |
| { |
| // sprmPDxaLeft80 |
| size += SprmUtils.addSprm((short)0x840F, newPAP.getDxaLeft(), null, sprmList); |
| } |
| |
| // Page 51 of public specification begins |
| if (newPAP.getDxaLeft1() != oldPAP.getDxaLeft1()) |
| { |
| // sprmPDxaLeft180 |
| size += SprmUtils.addSprm((short)0x8411, newPAP.getDxaLeft1(), null, sprmList); |
| } |
| if (newPAP.getDxaRight() != oldPAP.getDxaRight()) |
| { |
| // sprmPDxaRight80 |
| size += SprmUtils.addSprm((short)0x840E, newPAP.getDxaRight(), null, sprmList); |
| } |
| if (newPAP.getDxcLeft() != oldPAP.getDxcLeft()) |
| { |
| // sprmPDxcLeft |
| size += SprmUtils.addSprm((short)0x4456, newPAP.getDxcLeft(), null, sprmList); |
| } |
| if (newPAP.getDxcLeft1() != oldPAP.getDxcLeft1()) |
| { |
| // sprmPDxcLeft1 |
| size += SprmUtils.addSprm((short)0x4457, newPAP.getDxcLeft1(), null, sprmList); |
| } |
| if (newPAP.getDxcRight() != oldPAP.getDxcRight()) |
| { |
| // sprmPDxcRight |
| size += SprmUtils.addSprm((short)0x4455, newPAP.getDxcRight(), null, sprmList); |
| } |
| if (!newPAP.getLspd().equals(oldPAP.getLspd())) |
| { |
| // sprmPDyaLine |
| byte[] buf = new byte[4]; |
| newPAP.getLspd().serialize(buf, 0); |
| |
| size += SprmUtils.addSprm((short)0x6412, LittleEndian.getInt(buf), null, sprmList); |
| } |
| if (newPAP.getDyaBefore() != oldPAP.getDyaBefore()) |
| { |
| // sprmPDyaBefore |
| size += SprmUtils.addSprm((short)0xA413, newPAP.getDyaBefore(), null, sprmList); |
| } |
| if (newPAP.getDyaAfter() != oldPAP.getDyaAfter()) |
| { |
| // sprmPDyaAfter |
| size += SprmUtils.addSprm((short)0xA414, newPAP.getDyaAfter(), null, sprmList); |
| } |
| if (newPAP.getFDyaBeforeAuto() != oldPAP.getFDyaBeforeAuto()) |
| { |
| // sprmPFDyaBeforeAuto |
| size += SprmUtils.addSprm((short)0x245B, newPAP.getFDyaBeforeAuto(), sprmList); |
| } |
| if (newPAP.getFDyaAfterAuto() != oldPAP.getFDyaAfterAuto()) |
| { |
| // sprmPFDyaAfterAuto |
| size += SprmUtils.addSprm((short)0x245C, newPAP.getFDyaAfterAuto(), sprmList); |
| } |
| if (newPAP.getFInTable() != oldPAP.getFInTable()) |
| { |
| // sprmPFInTable |
| size += SprmUtils.addSprm((short)0x2416, newPAP.getFInTable(), sprmList); |
| } |
| if (newPAP.getFTtp() != oldPAP.getFTtp()) |
| { |
| // sprmPFTtp |
| size += SprmUtils.addSprm((short)0x2417, newPAP.getFTtp(), sprmList); |
| } |
| if (newPAP.getDxaAbs() != oldPAP.getDxaAbs()) |
| { |
| // sprmPDxaAbs |
| size += SprmUtils.addSprm((short)0x8418, newPAP.getDxaAbs(), null, sprmList); |
| } |
| if (newPAP.getDyaAbs() != oldPAP.getDyaAbs()) |
| { |
| // sprmPDyaAbs |
| size += SprmUtils.addSprm((short)0x8419, newPAP.getDyaAbs(), null, sprmList); |
| } |
| if (newPAP.getDxaWidth() != oldPAP.getDxaWidth()) |
| { |
| // sprmPDxaWidth |
| size += SprmUtils.addSprm((short)0x841A, newPAP.getDxaWidth(), null, sprmList); |
| } |
| |
| // Page 52 of public specification begins |
| if (newPAP.getWr() != oldPAP.getWr()) |
| { |
| size += SprmUtils.addSprm((short)0x2423, newPAP.getWr(), null, sprmList); |
| } |
| |
| if (newPAP.getBrcBar().equals(oldPAP.getBrcBar())) |
| { |
| // XXX: sprm code 0x6428 is sprmPBrcBetween80, but accessed property linked to sprmPBrcBar80 (0x6629) |
| int brc = newPAP.getBrcBar().toInt(); |
| size += SprmUtils.addSprm((short)0x6428, brc, null, sprmList); |
| } |
| if (!newPAP.getBrcBottom().equals(oldPAP.getBrcBottom())) |
| { |
| // sprmPBrcBottom80 |
| int brc = newPAP.getBrcBottom().toInt(); |
| size += SprmUtils.addSprm((short)0x6426, brc, null, sprmList); |
| } |
| if (!newPAP.getBrcLeft().equals(oldPAP.getBrcLeft())) |
| { |
| // sprmPBrcLeft80 |
| int brc = newPAP.getBrcLeft().toInt(); |
| size += SprmUtils.addSprm((short)0x6425, brc, null, sprmList); |
| } |
| |
| // Page 53 of public specification begins |
| if (!newPAP.getBrcRight().equals(oldPAP.getBrcRight())) |
| { |
| // sprmPBrcRight80 |
| int brc = newPAP.getBrcRight().toInt(); |
| size += SprmUtils.addSprm((short)0x6427, brc, null, sprmList); |
| } |
| if (!newPAP.getBrcTop().equals(oldPAP.getBrcTop())) |
| { |
| // sprmPBrcTop80 |
| int brc = newPAP.getBrcTop().toInt(); |
| size += SprmUtils.addSprm((short)0x6424, brc, null, sprmList); |
| } |
| if (newPAP.getFNoAutoHyph() != oldPAP.getFNoAutoHyph()) |
| { |
| size += SprmUtils.addSprm((short)0x242A, newPAP.getFNoAutoHyph(), sprmList); |
| } |
| if (newPAP.getDyaHeight() != oldPAP.getDyaHeight() || |
| newPAP.getFMinHeight() != oldPAP.getFMinHeight()) |
| { |
| // sprmPWHeightAbs |
| short val = (short)newPAP.getDyaHeight(); |
| if (newPAP.getFMinHeight()) |
| { |
| val |= 0x8000; |
| } |
| size += SprmUtils.addSprm((short)0x442B, val, null, sprmList); |
| } |
| if (newPAP.getDcs() != null && !newPAP.getDcs().equals(oldPAP.getDcs())) |
| { |
| // sprmPDcs |
| size += SprmUtils.addSprm((short)0x442C, newPAP.getDcs().toShort(), null, sprmList); |
| } |
| if (newPAP.getDyaFromText() != oldPAP.getDyaFromText()) |
| { |
| // sprmPDyaFromText |
| size += SprmUtils.addSprm((short)0x842E, newPAP.getDyaFromText(), null, sprmList); |
| } |
| if (newPAP.getDxaFromText() != oldPAP.getDxaFromText()) |
| { |
| // sprmPDxaFromText |
| size += SprmUtils.addSprm((short)0x842F, newPAP.getDxaFromText(), null, sprmList); |
| } |
| if (newPAP.getFLocked() != oldPAP.getFLocked()) |
| { |
| // sprmPFLocked |
| size += SprmUtils.addSprm((short)0x2430, newPAP.getFLocked(), sprmList); |
| } |
| if (newPAP.getFWidowControl() != oldPAP.getFWidowControl()) |
| { |
| // sprmPFWidowControl |
| size += SprmUtils.addSprm((short)0x2431, newPAP.getFWidowControl(), sprmList); |
| } |
| if (newPAP.getFKinsoku() != oldPAP.getFKinsoku()) |
| { |
| size += SprmUtils.addSprm((short)0x2433, newPAP.getDyaBefore(), null, sprmList); |
| } |
| if (newPAP.getFWordWrap() != oldPAP.getFWordWrap()) |
| { |
| size += SprmUtils.addSprm((short)0x2434, newPAP.getFWordWrap(), sprmList); |
| } |
| if (newPAP.getFOverflowPunct() != oldPAP.getFOverflowPunct()) |
| { |
| size += SprmUtils.addSprm((short)0x2435, newPAP.getFOverflowPunct(), sprmList); |
| } |
| if (newPAP.getFTopLinePunct() != oldPAP.getFTopLinePunct()) |
| { |
| size += SprmUtils.addSprm((short)0x2436, newPAP.getFTopLinePunct(), sprmList); |
| } |
| if (newPAP.getFAutoSpaceDE() != oldPAP.getFAutoSpaceDE()) |
| { |
| size += SprmUtils.addSprm((short)0x2437, newPAP.getFAutoSpaceDE(), sprmList); |
| } |
| if (newPAP.getFAutoSpaceDN() != oldPAP.getFAutoSpaceDN()) |
| { |
| size += SprmUtils.addSprm((short)0x2438, newPAP.getFAutoSpaceDN(), sprmList); |
| } |
| if (newPAP.getWAlignFont() != oldPAP.getWAlignFont()) |
| { |
| size += SprmUtils.addSprm((short)0x4439, newPAP.getWAlignFont(), null, sprmList); |
| } |
| |
| // Page 54 of public specification begins |
| if (newPAP.isFBackward() != oldPAP.isFBackward() || |
| newPAP.isFVertical() != oldPAP.isFVertical() || |
| newPAP.isFRotateFont() != oldPAP.isFRotateFont()) |
| { |
| int val = 0; |
| if (newPAP.isFBackward()) |
| { |
| val |= 0x2; |
| } |
| if (newPAP.isFVertical()) |
| { |
| val |= 0x1; |
| } |
| if (newPAP.isFRotateFont()) |
| { |
| val |= 0x4; |
| } |
| size += SprmUtils.addSprm((short)0x443A, val, null, sprmList); |
| } |
| if (!Arrays.equals(newPAP.getAnld(), oldPAP.getAnld())) |
| { |
| // sprmPAnld80 |
| size += SprmUtils.addSprm((short)0xC63E, 0, newPAP.getAnld(), sprmList); |
| } |
| if (newPAP.getFPropRMark() != oldPAP.getFPropRMark() || |
| newPAP.getIbstPropRMark() != oldPAP.getIbstPropRMark() || |
| !newPAP.getDttmPropRMark().equals(oldPAP.getDttmPropRMark())) |
| { |
| // sprmPPropRMark |
| byte[] buf = new byte[7]; |
| buf[0] = (byte) ( newPAP.getFPropRMark() ? 1 : 0 ); |
| LittleEndian.putShort(buf, 1, (short)newPAP.getIbstPropRMark()); |
| newPAP.getDttmPropRMark().serialize(buf, 3); |
| size += SprmUtils.addSprm((short)0xC63F, 0, buf, sprmList); |
| } |
| if (newPAP.getLvl() != oldPAP.getLvl()) |
| { |
| // sprmPOutLvl |
| size += SprmUtils.addSprm((short)0x2640, newPAP.getLvl(), null, sprmList); |
| } |
| if (newPAP.getFBiDi() != oldPAP.getFBiDi()) |
| { |
| // sprmPFBiDi |
| size += SprmUtils.addSprm((short)0x2441, newPAP.getFBiDi(), sprmList); |
| } |
| if (newPAP.getFNumRMIns() != oldPAP.getFNumRMIns()) |
| { |
| // sprmPFNumRMIns |
| size += SprmUtils.addSprm((short)0x2443, newPAP.getFNumRMIns(), sprmList); |
| } |
| if (!Arrays.equals(newPAP.getNumrm(), oldPAP.getNumrm())) |
| { |
| // sprmPNumRM |
| size += SprmUtils.addSprm((short)0xC645, 0, newPAP.getNumrm(), sprmList); |
| } |
| if (newPAP.getFInnerTableCell() != oldPAP.getFInnerTableCell()) |
| { |
| // sprmPFInnerTableCell |
| size += SprmUtils.addSprm((short)0x244b, newPAP.getFInnerTableCell(), sprmList); |
| } |
| if (newPAP.getFTtpEmbedded() != oldPAP.getFTtpEmbedded()) |
| { |
| // sprmPFInnerTtp |
| size += SprmUtils.addSprm((short)0x244c, newPAP.getFTtpEmbedded(), sprmList); |
| } |
| |
| if (newPAP.getShd() != null && !newPAP.getShd().equals(oldPAP.getShd())) |
| { |
| // size += SprmUtils.addSprm((short)0x442D, newPAP.getShd().toShort(), null, sprmList); |
| // sprmPShd -- 0xc64d |
| size += SprmUtils.addSprm( (short) 0xc64d, 0, newPAP.getShd().serialize(), sprmList ); |
| } |
| |
| // Page 55 of public specification begins |
| if (newPAP.getItap() != oldPAP.getItap()) |
| { |
| // sprmPItap |
| size += SprmUtils.addSprm((short)0x6649, newPAP.getItap(), null, sprmList); |
| } |
| |
| if ( newPAP.getRsid() != oldPAP.getRsid() ) |
| { |
| // sprmPRsid |
| byte[] value = new byte[4]; |
| LittleEndian.putUInt( value, 0, newPAP.getRsid() ); |
| size += SprmUtils.addSprm( (short) 0x6467, 0, value, sprmList ); |
| } |
| |
| return SprmUtils.getGrpprl(sprmList, size); |
| |
| } |
| } |
