office-gobmx/hwpfilter/source/hwpread.cxx
Noel Grandin cf14352cd8 no need to heap allocate these
Change-Id: I28127f5943a80aca1689d5982cd1f6e6e11eb2c5
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/175863
Tested-by: Jenkins
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>
2024-11-01 07:27:27 +01:00

934 lines
24 KiB
C++

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* 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 .
*/
#include "precompile.h"
#include <comphelper/newarray.hxx>
#include <comphelper/configuration.hxx>
#include <sal/log.hxx>
#include <tools/long.hxx>
#include <assert.h>
#include "hwpfile.h"
#include "hbox.h"
#include "hpara.h"
#include "drawing.h"
#include "htags.h"
#include "hcode.h"
static short fboxnum = 1;
static int zindex = 1;
static int lnnumber = 0;
bool HBox::Read(HWPFile & )
{
// already read
return true;
}
// skip block
bool SkipData::Read(HWPFile & hwpf)
{
uint data_block_len;
hwpf.Read4b(data_block_len);
hchar dummy;
if (!hwpf.Read2b(dummy))
return hwpf.SetState(HWP_InvalidFileFormat);
if (!(IS_SP_SKIP_BLOCK(hh) && (hh == dummy))){
return hwpf.SetState(HWP_InvalidFileFormat);
}
return hwpf.SkipBlock(data_block_len);
}
// Field code(5)
bool FieldCode::Read(HWPFile & hwpf)
{
uint size;
hchar dummy;
uint len1; /* Length of hchar type string DATA #1 */
uint len2; /* Length of hchar type string DATA #2 */
uint len3; /* Length of hchar type string DATA #3 */
uint binlen; /* Length of any binary data format */
hwpf.Read4b(size);
if (!hwpf.Read2b(dummy))
return false;
hwpf.ReadBlock(&type, 2);
hwpf.ReadBlock(reserved1.data(), 4);
if (!hwpf.Read2b(location_info))
return false;
hwpf.ReadBlock(reserved2.data(), 22);
hwpf.Read4b(len1);
hwpf.Read4b(len2);
hwpf.Read4b(len3);
if (!hwpf.Read4b(binlen))
return false;
uint const len1_ = std::min<uint>(len1, 1024) / sizeof(hchar);
uint const len2_ = std::min<uint>(len2, 1024) / sizeof(hchar);
uint const len3_ = std::min<uint>(len3, 1024) / sizeof(hchar);
str1.reset( new hchar[len1_ ? len1_ : 1] );
str2.reset( new hchar[len2_ ? len2_ : 1] );
str3.reset( new hchar[len3_ ? len3_ : 1] );
if (hwpf.Read2b(str1.get(), len1_) != len1_)
return false;
hwpf.SkipBlock(len1 - (len1_ * sizeof(hchar)));
str1[len1_ ? (len1_ - 1) : 0] = 0;
if (hwpf.Read2b(str2.get(), len2_) != len2_)
return false;
hwpf.SkipBlock(len2 - (len2_ * sizeof(hchar)));
str2[len2_ ? (len2_ - 1) : 0] = 0;
if (hwpf.Read2b(str3.get(), len3_) != len3_)
return false;
hwpf.SkipBlock(len3 - (len3_ * sizeof(hchar)));
str3[len3_ ? (len3_ - 1) : 0] = 0;
hwpf.SkipBlock(binlen);
if( type[0] == 3 && type[1] == 2 ){ /* It must create a format as created date. */
DateCode *pDate = new DateCode;
for (uint i = 0 ; i < len3_; i++) {
if(str3[i] == 0 ) break;
if( i >= DATE_SIZE ) break;
pDate->format[i] = str3[i];
}
hwpf.AddDateFormat(pDate);
m_pDate.reset( pDate );
}
return true;
}
// book mark(6)
bool Bookmark::Read(HWPFile & hwpf)
{
uint len;
hwpf.Read4b(len);
if (!hwpf.Read2b(dummy))
return false;
if (len != 34)// 2 * (BMK_COMMENT_LEN + 1) + 2
{
return hwpf.SetState(HWP_InvalidFileFormat);
}
if (hh != dummy || dummy != CH_BOOKMARK) {
return hwpf.SetState(HWP_InvalidFileFormat);
}
hwpf.Read2b(id, BMK_COMMENT_LEN + 1);
hwpf.Read2b(&type, 1);
return true;
}
// date format(7)
bool DateFormat::Read(HWPFile & hwpf)
{
hwpf.Read2b(format, DATE_SIZE);
if (!hwpf.Read2b(dummy))
return false;
if (hh != dummy || CH_DATE_FORM != dummy) {
return hwpf.SetState(HWP_InvalidFileFormat);
}
return true;
}
// date code(8)
bool DateCode::Read(HWPFile & hwpf)
{
hwpf.Read2b(format, DATE_SIZE);
hwpf.Read2b(date, 6);
if (!hwpf.Read2b(dummy))
return false;
if (hh != dummy || CH_DATE_CODE != dummy) {
return hwpf.SetState(HWP_InvalidFileFormat);
}
hwpf.AddDateFormat(this);
return true;
}
// tab(9)
bool Tab::Read(HWPFile & hwpf)
{
unsigned short tmp16;
if (!hwpf.Read2b(tmp16))
return false;
width = tmp16;
if (!hwpf.Read2b(leader))
return false;
if (!hwpf.Read2b(dummy))
return false;
if (hh != dummy || CH_TAB != dummy) {
return hwpf.SetState(HWP_InvalidFileFormat);
}
return true;
}
// tbox(10) TABLE BOX MATH BUTTON HYPERTEXT
static void UpdateBBox(FBox * fbox)
{
fbox->boundsy = fbox->pgy;
fbox->boundey = fbox->pgy + fbox->ys - 1;
}
bool Cell::Read(HWPFile & hwpf)
{
hwpf.Read2b(&p, 1);
hwpf.Read2b(&color, 1);
hwpf.Read2b(&x, 1);
hwpf.Read2b(&y, 1);
hwpf.Read2b(&w, 1);
hwpf.Read2b(&h, 1);
hwpf.Read2b(&txthigh, 1);
hwpf.Read2b(&cellhigh, 1);
hwpf.Read1b(flag);
hwpf.Read1b(changed);
hwpf.Read1b(used);
hwpf.Read1b(ver_align);
hwpf.ReadBlock(linetype, 4);
hwpf.Read1b(shade);
hwpf.Read1b(diagonal);
return hwpf.Read1b(protect);
}
bool TxtBox::Read(HWPFile & hwpf)
{
int ii, ncell;
hwpf.Read2b(reserved, 2);
hwpf.Read2b(&dummy, 1);
if (hh != dummy || CH_TEXT_BOX != dummy) {
return hwpf.SetState(HWP_InvalidFileFormat);
}
hwpf.Read2b(&style.cap_len, 1);
hwpf.Read2b(&dummy1, 1);
unsigned short next;
hwpf.Read2b(&next, 1);
hwpf.Read2b(&dummy2, 1);
style.boxnum = fboxnum++;
zorder = zindex++;
hwpf.Read1b(style.anchor_type);
hwpf.Read1b(style.txtflow);
hwpf.Read2b(&style.xpos, 1);
hwpf.Read2b(&style.ypos, 1);
hwpf.Read2b(&option, 1);
hwpf.Read2b(&ctrl_ch, 1);
hwpf.Read2b(style.margin, 12);
hwpf.Read2b(&box_xs, 1);
hwpf.Read2b(&box_ys, 1);
hwpf.Read2b(&cap_xs, 1);
hwpf.Read2b(&cap_ys, 1);
hwpf.Read2b(&style.cap_len, 1);
hwpf.Read2b(&xs, 1);
hwpf.Read2b(&ys, 1);
hwpf.Read2b(&cap_margin, 1);
hwpf.Read1b(xpos_type);
hwpf.Read1b(ypos_type);
hwpf.Read1b(smart_linesp);
hwpf.Read1b(reserved1);
hwpf.Read2b(&pgx, 1);
hwpf.Read2b(&pgy, 1);
hwpf.Read2b(&pgno, 1);
if( ( pgno +1 ) != hwpf.getCurrentPage() )
pgno = sal::static_int_cast<short>(hwpf.getCurrentPage() -1) ;
hwpf.Read2b(&showpg, 1);
hwpf.Read2b(&cap_pos, 1);
hwpf.Read2b(&num, 1);
hwpf.Read2b(&dummy3, 1);
hwpf.Read2b(&baseline, 1);
hwpf.Read2b(&type, 1);
hwpf.Read2b(&nCell, 1);
hwpf.Read2b(&protect, 1);
switch (type)
{
case 0: //table
style.boxtype = 'T';
break;
case 1: // text-box
style.boxtype = 'X';
break;
case 2: // equation
style.boxtype = 'E';
break;
case 3: // button
style.boxtype = 'B';
break;
default: // other
style.boxtype = 'O';
break;
}
UpdateBBox(this);
ncell = nCell;
if (ncell <= 0) {
return hwpf.SetState(HWP_InvalidFileFormat);
}
if (ncell > 4096 && comphelper::IsFuzzing()) {
// cut off at an arbitrary size to speed up fuzzing
return hwpf.SetState(HWP_InvalidFileFormat);
}
cell.reset( ::comphelper::newArray_null<Cell>(ncell) );
if (!cell) {
return hwpf.SetState(HWP_InvalidFileFormat);
}
bool bSuccess = true;
for (ii = 0; ii < ncell && bSuccess; ii++)
{
bSuccess = cell[ii].Read(hwpf);
cell[ii].key = sal::static_int_cast<unsigned char>(ii);
}
if (!bSuccess)
return false;
if (ncell == 1)
style.cell = &cell[0];
plists.resize(ncell);
for (ii = 0; ii < ncell; ii++)
hwpf.ReadParaList(plists[ii]);
// caption
hwpf.ReadParaList(caption);
if( type == 0 ){ // if table?
std::unique_ptr<TCell*[]> pArr(new TCell*[ncell]);
std::fill(pArr.get(), pArr.get() + ncell, nullptr);
if (!pArr) {
return hwpf.SetState(HWP_InvalidFileFormat);
}
std::unique_ptr<Table> tbl(new Table);
for( ii = 0 ; ii < ncell; ii++)
{
tbl->columns.insert(cell[ii].x);
tbl->columns.insert(cell[ii].x + cell[ii].w);
tbl->rows.insert(cell[ii].y);
tbl->rows.insert(cell[ii].y + cell[ii].h);
}
for( ii = 0 ; ii < ncell; ii++)
{
TCell *tcell = new TCell;
tcell->nColumnIndex = tbl->columns.getIndex(cell[ii].x);
tcell->nColumnSpan = tbl->columns.getIndex(cell[ii].x + cell[ii].w) -
tcell->nColumnIndex;
tcell->nRowIndex = tbl->rows.getIndex(cell[ii].y);
tcell->nRowSpan = tbl->rows.getIndex(cell[ii].y + cell[ii].h) -
tcell->nRowIndex;
tcell->pCell = &cell[ii];
pArr[ii] = tcell;
}
// Sort by row and column
for( ii = 0 ; ii < ncell - 1; ii++ ){
for( int jj = ii ; jj < ncell ; jj++){
if( pArr[ii]->nRowIndex > pArr[jj]->nRowIndex ){
std::swap(pArr[ii], pArr[jj]);
}
}
for( int kk = ii ; kk > 0 ; kk--){
if( ( pArr[kk]->nRowIndex == pArr[kk-1]->nRowIndex ) &&
(pArr[kk]->nColumnIndex < pArr[kk-1]->nColumnIndex )){
std::swap(pArr[kk], pArr[kk-1]);
}
}
}
for( ii = 0 ; ii < ncell ; ii++ ){
tbl->cells.emplace_back(pArr[ii]);
}
tbl->box = this;
m_pTable = tbl.get();
hwpf.AddTable(std::move(tbl));
}
else
m_pTable = nullptr;
bSuccess = !hwpf.State();
if (bSuccess)
hwpf.AddFBoxStyle(&style);
return bSuccess;
}
namespace
{
class ChangeMemGuard
{
private:
HIODev* m_pOldMem;
std::unique_ptr<HMemIODev> m_xNewMem;
public:
ChangeMemGuard(unsigned char* data, size_t nLen)
: m_pOldMem(hmem)
, m_xNewMem(std::make_unique<HMemIODev>(reinterpret_cast<char*>(data), nLen))
{
hmem = m_xNewMem.get();
}
~ChangeMemGuard()
{
assert(hmem == m_xNewMem.get());
hmem = m_pOldMem;
}
};
}
// picture(11)
bool Picture::Read(HWPFile & hwpf)
{
hwpf.Read2b(reserved, 2);
hwpf.Read2b(&dummy, 1);
if (hh != dummy || CH_PICTURE != dummy) {
return hwpf.SetState(HWP_InvalidFileFormat);
}
hwpf.Read4b(follow_block_size);
//when fuzzing with a max len set, max decompress to 10 times that limit
static size_t nMaxAllowedDecompression = [](const char* pEnv) { size_t nRet = pEnv ? std::atoi(pEnv) : 0; return nRet * 10; }(std::getenv("FUZZ_MAX_INPUT_LEN"));
hwpf.Read2b(&dummy1, 1); /* Reserved 4 bytes */
hwpf.Read2b(&dummy2, 1);
style.boxnum = fboxnum++;
zorder = zindex++;
hwpf.Read1b(style.anchor_type); /* Reference position */
hwpf.Read1b(style.txtflow); /* Avoid painting. 0-2 (seat occupied, transparency, harmony) */
hwpf.Read2b(&style.xpos, 1); /* Horizontal position: 1=left, 2=right, 3=center, and others=any */
hwpf.Read2b(&style.ypos, 1); /* Vertical position: 1=top, 2=down, 3=middle, and others=any */
hwpf.Read2b(&option, 1); /* Other options: Borders, reverse picture, and so on. Save as bit. */
hwpf.Read2b(&ctrl_ch, 1); /* Always 11 */
hwpf.Read2b(style.margin, 12); /* Margin: [0-2] [] out / in / cell, [], [0-3] left / right / top / bottom margins */
hwpf.Read2b(&box_xs, 1); /* Box Size Width */
hwpf.Read2b(&box_ys, 1); /* Vertical */
hwpf.Read2b(&cap_xs, 1); /* Caption Size Width */
hwpf.Read2b(&cap_ys, 1); /* Vertical */
hwpf.Read2b(&style.cap_len, 1); /* Length */
hwpf.Read2b(&xs, 1); /* The total size (box size + caption + margin) Horizontal */
hwpf.Read2b(&ys, 1); /* Vertical */
hwpf.Read2b(&cap_margin, 1); /* Caption margins */
hwpf.Read1b(xpos_type);
hwpf.Read1b(ypos_type);
hwpf.Read1b(smart_linesp); /* Line Spacing protection: 0 unprotected 1 protected */
hwpf.Read1b(reserved1);
hwpf.Read2b(&pgx, 1); /* Real Calculated box width */
hwpf.Read2b(&pgy, 1); /* Height */
hwpf.Read2b(&pgno, 1); /* Page number: starts from 0 */
hwpf.Read2b(&showpg, 1); /* Show the Box */
hwpf.Read2b(&cap_pos, 1); /* Caption positions 0-7 Menu Order. */
hwpf.Read2b(&num, 1); /* Box number, serial number which starts from 0 */
hwpf.Read1b(pictype); /* Picture type */
unsigned short tmp16;
if (!hwpf.Read2b(tmp16)) /* the real horizontal starting point where shows the picture */
return false;
skip[0] = tmp16;
if (!hwpf.Read2b(tmp16)) /* Vertical */
return false;
skip[1] = tmp16;
if (!hwpf.Read2b(tmp16)) /* Zoom Ratio: 0:fixed, others are percentage for horizontal */
return false;
scale[0] = tmp16;
if (!hwpf.Read2b(tmp16)) /* Vertical */
return false;
scale[1] = tmp16;
hwpf.ReadBlock(picinfo.picun.path, 256); /* Picture File Name: when type is not a Drawing. */
picinfo.picun.path[255] = 0; // ensure null terminated
hwpf.ReadBlock(reserved3, 9); /* Brightness / Contrast / Picture Effect, etc. */
UpdateBBox(this);
if( pictype != PICTYPE_DRAW )
style.cell = reserved3;
else
{
//picinfo.picun read above is unioned with
//picinfo.picdraw and so wrote to the hdo pointer
//value, which is definitely not useful to us
picinfo.picdraw.hdo = nullptr;
}
if (follow_block_size != 0)
{
follow.clear();
//read potentially compressed data in blocks as it's more
//likely large values are simply broken and we'll run out
//of data before we need to realloc
for (size_t i = 0; i < follow_block_size; i+= SAL_N_ELEMENTS(hwpf.scratch))
{
size_t nOldSize = follow.size();
size_t nBlock = std::min(SAL_N_ELEMENTS(hwpf.scratch), follow_block_size - nOldSize);
size_t nReadBlock = hwpf.ReadBlock(hwpf.scratch, nBlock);
if (nReadBlock)
{
follow.insert(follow.end(), hwpf.scratch, hwpf.scratch + nReadBlock);
}
if (nBlock != nReadBlock)
break;
if (nMaxAllowedDecompression && follow.size() > nMaxAllowedDecompression)
{
SAL_WARN("filter.hwp", "too much decompression, abandoning");
follow.clear();
return false;
}
}
follow_block_size = follow.size();
if (pictype == PICTYPE_DRAW)
{
ChangeMemGuard aGuard(follow.data(), follow_block_size);
LoadDrawingObjectBlock(this, hwpf);
style.cell = picinfo.picdraw.hdo;
}
else if (follow_block_size >= 4)
{
if ((follow[3] << 24 | follow[2] << 16 | follow[1] << 8 | follow[0]) == 0x269)
{
ishyper = true;
}
}
}
if( pictype != 3 )
style.boxtype = 'G';
else
style.boxtype = 'D';
// caption
hwpf.ReadParaList(caption);
bool bSuccess = !hwpf.State();
if (bSuccess)
hwpf.AddFBoxStyle(&style);
return bSuccess;
}
// line(15)
Line::Line()
: FBox(CH_LINE)
, dummy(0)
, sx(0)
, sy(0)
, ex(0)
, ey(0)
, width(0)
, shade(0)
, color(0)
{
}
bool Line::Read(HWPFile & hwpf)
{
hwpf.Read2b(reserved, 2);
hwpf.Read2b(&dummy, 1);
if (hh != dummy || CH_LINE != dummy) {
return hwpf.SetState(HWP_InvalidFileFormat);
}
style.boxnum = fboxnum++;
zorder = zindex++;
style.boxtype = 'L';
hwpf.ReadBlock(&reserved2, 8);
hwpf.Read1b(style.anchor_type);
hwpf.Read1b(style.txtflow);
hwpf.Read2b(&style.xpos, 1);
hwpf.Read2b(&style.ypos, 1);
hwpf.Read2b(&option, 1);
hwpf.Read2b(&ctrl_ch, 1);
hwpf.Read2b(style.margin, 12);
hwpf.Read2b(&box_xs, 1);
hwpf.Read2b(&box_ys, 1);
hwpf.Read2b(&cap_xs, 1);
hwpf.Read2b(&cap_ys, 1);
hwpf.Read2b(&style.cap_len, 1);
hwpf.Read2b(&xs, 1);
hwpf.Read2b(&ys, 1);
lnnumber = style.boxnum;
hwpf.linenumber = 1;
hwpf.Read2b(&boundsy, 1);
hwpf.Read2b(&boundey, 1);
hwpf.Read1b(boundx);
hwpf.Read1b(draw);
hwpf.Read2b(&pgx, 1);
hwpf.Read2b(&pgy, 1);
hwpf.Read2b(&pgno, 1);
hwpf.Read2b(&showpg, 1);
hwpf.Read2b(&sx, 1);
hwpf.Read2b(&sy, 1);
hwpf.Read2b(&ex, 1);
hwpf.Read2b(&sy, 1);
hwpf.Read2b(&width, 1);
hwpf.Read2b(&shade, 1);
hwpf.Read2b(&color, 1);
style.xpos = width;
bool bSuccess = !hwpf.State();
if (bSuccess)
hwpf.AddFBoxStyle(&style);
return bSuccess;
}
// hidden(15)
Hidden::Hidden()
: HBox(CH_HIDDEN)
, dummy(0)
{
}
bool Hidden::Read(HWPFile & hwpf)
{
hwpf.Read2b(reserved, 2);
hwpf.Read2b(&dummy, 1);
if (hh != dummy || CH_HIDDEN != dummy) {
return hwpf.SetState(HWP_InvalidFileFormat);
}
hwpf.ReadBlock(info, 8);
hwpf.ReadParaList(plist);
return !hwpf.State();
}
// header/footer(16)
HeaderFooter::HeaderFooter()
: HBox(CH_HEADER_FOOTER)
, dummy(0)
, type(0)
, where(0)
, linenumber(0)
, m_nPageNumber(0)
{
}
bool HeaderFooter::Read(HWPFile & hwpf)
{
hwpf.Read2b(reserved, 2);
hwpf.Read2b(&dummy, 1);
if (hh != dummy || CH_HEADER_FOOTER != dummy) {
return hwpf.SetState(HWP_InvalidFileFormat);
}
hwpf.ReadBlock(info, 8);
hwpf.Read1b(type);
hwpf.Read1b(where);
lnnumber = 0;
hwpf.ReadParaList(plist, CH_HEADER_FOOTER);
linenumber = sal::static_int_cast<unsigned char>(lnnumber);
m_nPageNumber = hwpf.getCurrentPage();
hwpf.setMaxSettedPage();
hwpf.AddHeaderFooter(this);
return !hwpf.State();
}
// footnote(17)
Footnote::Footnote()
: HBox(CH_FOOTNOTE)
, dummy(0)
, number(0)
, type(0)
, width(0)
{
}
bool Footnote::Read(HWPFile & hwpf)
{
hwpf.Read2b(reserved, 2);
hwpf.Read2b(&dummy, 1);
if (hh != dummy || CH_FOOTNOTE != dummy) {
return hwpf.SetState(HWP_InvalidFileFormat);
}
hwpf.ReadBlock(info, 8);
hwpf.Read2b(&number, 1);
hwpf.Read2b(&type, 1);
unsigned short tmp16;
if (!hwpf.Read2b(tmp16))
return false;
width = tmp16;
hwpf.ReadParaList(plist, CH_FOOTNOTE);
return !hwpf.State();
}
// auto number(18)
AutoNum::AutoNum()
: HBox(CH_AUTO_NUM)
, type(0)
, number(0)
, dummy(0)
{
}
bool AutoNum::Read(HWPFile & hwpf)
{
hwpf.Read2b(&type, 1);
hwpf.Read2b(&number, 1);
hwpf.Read2b(&dummy, 1);
if (hh != dummy){
return hwpf.SetState(HWP_InvalidFileFormat);
}
return !hwpf.State();
}
// new number(19)
NewNum::NewNum()
: HBox(CH_NEW_NUM)
, type(0)
, number(0)
, dummy(0)
{
}
bool NewNum::Read(HWPFile & hwpf)
{
hwpf.Read2b(&type, 1);
hwpf.Read2b(&number, 1);
hwpf.Read2b(&dummy, 1);
if (hh != dummy){
return hwpf.SetState(HWP_InvalidFileFormat);
}
return !hwpf.State();
}
// show page number (20)
ShowPageNum::ShowPageNum()
: HBox(CH_SHOW_PAGE_NUM)
, where(0)
, m_nPageNumber(0)
, shape(0)
, dummy(0)
{
}
bool ShowPageNum::Read(HWPFile & hwpf)
{
hwpf.Read2b(&where, 1);
hwpf.Read2b(&shape, 1);
hwpf.Read2b(&dummy, 1);
if (hh != dummy){
return hwpf.SetState(HWP_InvalidFileFormat);
}
m_nPageNumber = hwpf.getCurrentPage();
hwpf.setMaxSettedPage();
hwpf.AddPageNumber(this);
return !hwpf.State();
}
/* 홀수쪽시작/감추기 (21) */
PageNumCtrl::PageNumCtrl()
: HBox(CH_PAGE_NUM_CTRL)
, kind(0)
, what(0)
, dummy(0)
{
}
bool PageNumCtrl::Read(HWPFile & hwpf)
{
hwpf.Read2b(&kind, 1);
hwpf.Read2b(&what, 1);
hwpf.Read2b(&dummy, 1);
if (hh != dummy){
return hwpf.SetState(HWP_InvalidFileFormat);
}
return !hwpf.State();
}
// mail merge(22)
MailMerge::MailMerge()
: HBox(CH_MAIL_MERGE)
, dummy(0)
{
}
bool MailMerge::Read(HWPFile & hwpf)
{
hwpf.ReadBlock(field_name, 20);
hwpf.Read2b(&dummy, 1);
if (hh != dummy){
return hwpf.SetState(HWP_InvalidFileFormat);
}
return !hwpf.State();
}
// char composition(23)
Compose::Compose()
: HBox(CH_COMPOSE)
, dummy(0)
{
}
bool Compose::Read(HWPFile & hwpf)
{
hwpf.Read2b(compose, 3);
hwpf.Read2b(&dummy, 1);
if (hh != dummy){
return hwpf.SetState(HWP_InvalidFileFormat);
}
return !hwpf.State();
}
// hyphen(24)
Hyphen::Hyphen()
: HBox(CH_HYPHEN)
, width(0)
, dummy(0)
{
}
bool Hyphen::Read(HWPFile & hwpf)
{
hwpf.Read2b(&width, 1);
hwpf.Read2b(&dummy, 1);
if (hh != dummy){
return hwpf.SetState(HWP_InvalidFileFormat);
}
return !hwpf.State();
}
// toc mark(25)
TocMark::TocMark()
: HBox(CH_TOC_MARK)
, kind(0)
, dummy(0)
{
}
bool TocMark::Read(HWPFile & hwpf)
{
hwpf.Read2b(&kind, 1);
hwpf.Read2b(&dummy, 1);
if (hh != dummy){
return hwpf.SetState(HWP_InvalidFileFormat);
}
return !hwpf.State();
}
// index mark(26)
IndexMark::IndexMark()
: HBox(CH_INDEX_MARK)
, pgno(0)
, dummy(0)
{
}
bool IndexMark::Read(HWPFile & hwpf)
{
hwpf.Read2b(&keyword1, 60);
hwpf.Read2b(&keyword2, 60);
hwpf.Read2b(&pgno, 1);
hwpf.Read2b(&dummy, 1);
if (hh != dummy){
return hwpf.SetState(HWP_InvalidFileFormat);
}
return !hwpf.State();
}
// outline(28)
Outline::Outline()
: HBox(CH_OUTLINE)
, kind(0)
, shape(0)
, level(0)
, dummy(0)
{
}
bool Outline::Read(HWPFile & hwpf)
{
hwpf.Read2b(&kind, 1);
hwpf.Read1b(shape);
hwpf.Read1b(level);
hwpf.Read2b(number, 7);
hwpf.Read2b(user_shape, 7);
hwpf.Read2b(deco, 14);
hwpf.Read2b(&dummy, 1);
if (hh != dummy){
return hwpf.SetState(HWP_InvalidFileFormat);
}
return !hwpf.State();
}
/* Bundle of spaces (30)*/
KeepSpace::KeepSpace()
: HBox(CH_KEEP_SPACE)
, dummy(0)
{
}
bool KeepSpace::Read(HWPFile & hwpf)
{
hwpf.Read2b(&dummy, 1);
if (hh != dummy){
return hwpf.SetState(HWP_InvalidFileFormat);
}
return !hwpf.State();
}
/* Fixed-width spaces (31) */
FixedSpace::FixedSpace()
: HBox(CH_FIXED_SPACE)
, dummy(0)
{
}
bool FixedSpace::Read(HWPFile & hwpf)
{
hwpf.Read2b(&dummy, 1);
if (hh != dummy){
return hwpf.SetState(HWP_InvalidFileFormat);
}
return !hwpf.State();
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */