hwpfilter/source/hpara.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #include <memory>
  21 #include "precompile.h"
  22
  23
  24 #include <comphelper/newarray.hxx>
  25
  26 #include "hwplib.h"
  27 #include "hwpfile.h"
  28 #include "hpara.h"
  29 #include "hbox.h"
  30 #include "hutil.h"
  31
  32 void LineInfo::Read(HWPFile & hwpf, HWPPara const *pPara)
  33 {
  34     if (!hwpf.Read2b(pos))
  35         return;
  36     unsigned short tmp16;
  37     if (!hwpf.Read2b(tmp16))
  38         return;
  39     space_width = tmp16;
  40     if (!hwpf.Read2b(tmp16))
  41         return;
  42     height = tmp16;
  43 // internal information
  44     if (!hwpf.Read2b(tmp16))
  45         return;
  46     pgy = tmp16;
  47     if (!hwpf.Read2b(tmp16))
  48         return;
  49     sx = tmp16;
  50     if (!hwpf.Read2b(tmp16))
  51         return;
  52     psx = tmp16;
  53     if (!hwpf.Read2b(tmp16))
  54         return;
  55     pex = tmp16;
  56     height_sp = 0;
  57
  58     if( pex >> 15 & 0x01 )
  59     {
  60         if (pex & 0x01)
  61             hwpf.AddPage();
  62         pPara->pshape->reserved[0] = sal::static_int_cast<unsigned char>(pex & 0x01);
  63         pPara->pshape->reserved[1] = sal::static_int_cast<unsigned char>(pex & 0x02);
  64     }
  65 }
  66
  67 HWPPara::HWPPara()
  68     : _next(nullptr)
  69     , reuse_shape(0)
  70     , nch(0)
  71     , nline(0)
  72     , begin_ypos(0)
  73     , scflag(0)
  74     , contain_cshape(0)
  75     , etcflag(0)
  76     , ctrlflag(0)
  77     , pstyno(0)
  78     , cshape(std::make_shared<CharShape>())
  79     , pshape(std::make_shared<ParaShape>())
  80 {
  81     memset(cshape.get(), 0, sizeof(CharShape));
  82 }
  83
  84 HWPPara::~HWPPara()
  85 {
  86 }
  87
  88 bool HWPPara::Read(HWPFile & hwpf, unsigned char flag)
  89 {
  90     DepthGuard aGuard(hwpf);
  91     if (aGuard.toodeep())
  92         return false;
  93     int ii;
  94     scflag = flag;
  95 // Paragraph Information
  96     hwpf.Read1b(reuse_shape);
  97     hwpf.Read2b(&nch, 1);
  98     hwpf.Read2b(&nline, 1);
  99     hwpf.Read1b(contain_cshape);
 100     hwpf.Read1b(etcflag);
 101     hwpf.Read4b(&ctrlflag, 1);
 102     hwpf.Read1b(pstyno);
 103
 104 /* Paragraph representative character */
 105     cshape->Read(hwpf);
 106     if (nch > 0)
 107         hwpf.AddCharShape(cshape);
 108
 109 /* Paragraph paragraphs shape  */
 110     if (nch && !reuse_shape)
 111     {
 112         pshape->Read(hwpf);
 113         pshape->cshape = cshape;
 114         pshape->pagebreak = etcflag;
 115     }
 116
 117     linfo.reset(::comphelper::newArray_null<LineInfo>(nline));
 118     for (ii = 0; ii < nline; ii++)
 119     {
 120         linfo[ii].Read(hwpf, this);
 121     }
 122     if( etcflag & 0x04 ){
 123          hwpf.AddColumnInfo();
 124     }
 125
 126     if (nch && !reuse_shape){
 127          if( pshape->xColdef->ncols > 1 ) {
 128              hwpf.SetColumnDef(pshape->xColdef);
 129          }
 130     }
 131
 132     if( nline > 0 )
 133     {
 134         begin_ypos = linfo[0].pgy;
 135     }
 136     else
 137     {
 138         begin_ypos = 0;
 139     }
 140
 141     if (contain_cshape)
 142     {
 143         cshapep.resize(nch);
 144
 145         for (ii = 0; ii < nch; ii++)
 146         {
 147             cshapep[ii] = std::make_shared<CharShape>();
 148             memset(cshapep[ii].get(), 0, sizeof(CharShape));
 149
 150             unsigned char same_cshape(0);
 151             hwpf.Read1b(same_cshape);
 152             if (!same_cshape)
 153             {
 154                 cshapep[ii]->Read(hwpf);
 155                 if (nch > 1)
 156                     hwpf.AddCharShape(cshapep[ii]);
 157             }
 158             else if (ii == 0)
 159                 cshapep[ii] = cshape;
 160             else
 161                 cshapep[ii] = cshapep[ii - 1];
 162         }
 163     }
 164 // read string
 165     ii = 0;
 166     while (ii < nch)
 167     {
 168         auto hBox = readHBox(hwpf);
 169         if (!hBox)
 170             return false;
 171         hhstr[ii] = std::move(hBox);
 172         if (hhstr[ii]->hh == CH_END_PARA)
 173             break;
 174         if( hhstr[ii]->hh < CH_END_PARA )
 175                 pshape->reserved[0] = 0;
 176         ii += hhstr[ii]->WSize();
 177     }
 178     return nch && !hwpf.State();
 179 }
 180
 181 CharShape *HWPPara::GetCharShape(int pos)
 182 {
 183     if (contain_cshape == 0)
 184         return cshape.get();
 185     return cshapep[pos].get();
 186 }
 187
 188 std::unique_ptr<HBox> HWPPara::readHBox(HWPFile & hwpf)
 189 {
 190     std::unique_ptr<HBox> hbox;
 191
 192     hchar hh;
 193     if (!hwpf.Read2b(hh))
 194         return hbox;
 195
 196     if (hwpf.State() != HWP_NoError)
 197         return hbox;
 198
 199     if (hh > 31 || hh == CH_END_PARA)
 200         hbox.reset(new HBox(hh));
 201     else if (IS_SP_SKIP_BLOCK(hh))
 202         hbox.reset(new SkipData(hh));
 203     else
 204     {
 205         switch (hh)
 206         {
 207             case CH_FIELD:                        // 5
 208                 hbox.reset(new FieldCode);
 209                 break;
 210             case CH_BOOKMARK:                     // 6
 211                 hbox.reset(new Bookmark);
 212                 break;
 213             case CH_DATE_FORM:                    // 7
 214                 hbox.reset(new DateFormat);
 215                 break;
 216             case CH_DATE_CODE:                    // 8
 217                 hbox.reset(new DateCode);
 218                 break;
 219             case CH_TAB:                          // 9
 220                 hbox.reset(new Tab);
 221                 break;
 222             case CH_TEXT_BOX:                     // 10
 223                 hbox.reset(new TxtBox);
 224                 break;
 225             case CH_PICTURE:                      // 11
 226                 hbox.reset(new Picture);
 227                 break;
 228             case CH_LINE:                         // 14
 229                 hbox.reset(new Line);
 230                 break;
 231             case CH_HIDDEN:                       // 15
 232                 hbox.reset(new Hidden);
 233                 break;
 234             case CH_HEADER_FOOTER:                // 16
 235                 if (!hwpf.already_importing_type(CH_HEADER_FOOTER))
 236                     hbox.reset(new HeaderFooter);
 237                 break;
 238             case CH_FOOTNOTE:                     // 17
 239                 hbox.reset(new Footnote);
 240                 break;
 241             case CH_AUTO_NUM:                     // 18
 242                 hbox.reset(new AutoNum);
 243                 break;
 244             case CH_NEW_NUM:                      // 19
 245                 hbox.reset(new NewNum);
 246                 break;
 247             case CH_SHOW_PAGE_NUM:                // 20
 248                 hbox.reset(new ShowPageNum);
 249                 break;
 250             case CH_PAGE_NUM_CTRL:                // 21
 251                 hbox.reset(new PageNumCtrl);
 252                 break;
 253             case CH_MAIL_MERGE:                   // 22
 254                 hbox.reset(new MailMerge);
 255                 break;
 256             case CH_COMPOSE:                      // 23
 257                 hbox.reset(new Compose);
 258                 break;
 259             case CH_HYPHEN:                       // 24
 260                 hbox.reset(new Hyphen);
 261                 break;
 262             case CH_TOC_MARK:                     // 25
 263                 hbox.reset(new TocMark);
 264                 break;
 265             case CH_INDEX_MARK:                   // 26
 266                 hbox.reset(new IndexMark);
 267                 break;
 268             case CH_OUTLINE:                      // 28
 269                 hbox.reset(new Outline);
 270                 break;
 271             case CH_KEEP_SPACE:                   // 30
 272                 hbox.reset(new KeepSpace);
 273                 break;
 274             case CH_FIXED_SPACE:                  // 31
 275                 hbox.reset(new FixedSpace);
 276                 break;
 277             default:
 278                 break;
 279         }
 280     }
 281
 282     if (!hbox)
 283         return nullptr;
 284
 285     hwpf.push_hpara_type(scflag);
 286     bool bRead = hbox->Read(hwpf);
 287     hwpf.pop_hpara_type();
 288     if (!bRead)
 289     {
 290         hbox.reset();
 291         return nullptr;
 292     }
 293
 294     if( hh == CH_TEXT_BOX || hh == CH_PICTURE || hh == CH_LINE )
 295     {
 296         FBox *fbox = static_cast<FBox *>(hbox.get());
 297         if( ( fbox->style.anchor_type == 1) && ( fbox->pgy >= begin_ypos) )
 298         {
 299             //strange construct to compile without warning
 300             int nTemp = fbox->pgy;
 301             nTemp -= begin_ypos;
 302             fbox->pgy = sal::static_int_cast<short>(nTemp);
 303         }
 304     }
 305     return hbox;
 306 }
 307
 308 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */