writerfilter/source/doctok/WW8FKPImpl.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 "WW8FKPImpl.hxx"
  21 #include "WW8PropertySetImpl.hxx"
  22
  23 namespace writerfilter {
  24 namespace doctok
  25 {
  26 sal_uInt32 WW8FKPImpl::getIndex(const Fc & rFc) const
  27 {
  28     sal_uInt32 nResult = getEntryCount();
  29
  30     while (rFc < getFc(nResult))
  31         nResult--;
  32
  33     return nResult;
  34 }
  35
  36
  37 writerfilter::Reference<Properties>::Pointer_t WW8CHPFKPImpl::getProperties(const Fc & rFc) const
  38 {
  39     writerfilter::Reference<Properties>::Pointer_t pResult;
  40
  41     sal_uInt32 n = getIndex(rFc);
  42
  43     sal_uInt16 nOffset = 2 * getU8(getRgb() + n);
  44
  45     if (nOffset > getRgb() + getEntryCount())
  46     {
  47         sal_uInt16 nCbChpx = getU8(nOffset);
  48
  49         if (nCbChpx > 1 && nOffset + nCbChpx + 1 <= 511)
  50         {
  51             pResult = writerfilter::Reference<Properties>::Pointer_t
  52                 (new WW8PropertySetImpl(*this, nOffset + 1, nCbChpx));
  53         }
  54     }
  55
  56     return pResult;
  57 }
  58
  59 void WW8CHPFKPImpl::dump(OutputWithDepth<string> & o) const
  60 {
  61     o.addItem("<fkp type='CHP'>");
  62
  63     sal_uInt32 nCount = getEntryCount();
  64     for (sal_uInt32 n = 0; n < nCount; ++n)
  65     {
  66         char sBuffer[256];
  67
  68         snprintf(sBuffer, sizeof(sBuffer),
  69                  "<fkpentry fc='%" SAL_PRIxUINT32 "' offsetInFkp='%x'/>",
  70                  getFc(n).get(), 2 * getU8(getRgb() + n));
  71
  72         o.addItem(sBuffer);
  73     }
  74
  75     WW8StructBase::dump(o);
  76     o.addItem("</fkp>");
  77 }
  78
  79 writerfilter::Reference<Properties>::Pointer_t
  80 WW8PAPFKPImpl::getProperties(const Fc & rFc) const
  81 {
  82     writerfilter::Reference<Properties>::Pointer_t pResult;
  83
  84     sal_uInt32 n = getIndex(rFc);
  85
  86     sal_uInt16 nOffset = 2 * getU8(getRgb() + n * 13);
  87
  88     if (nOffset != 0)
  89     {
  90         if (nOffset > getRgb() + getEntryCount() * 13)
  91         {
  92             sal_uInt32 nOffsetIStd = nOffset + 1;
  93             sal_uInt16 nCbPapx = getU8(nOffset) * 2;
  94
  95             if (nCbPapx == 0)
  96             {
  97                 nOffsetIStd = nOffset + 2;
  98                 nCbPapx = getU8(nOffset + 1) * 2 + 2;
  99             }
 100
 101             sal_uInt32 nOffsetEnd = nOffset + nCbPapx;
 102
 103             if (nCbPapx > 1 && nOffset + nCbPapx <= 511)
 104             {
 105                 pResult = writerfilter::Reference<Properties>::Pointer_t
 106                     (new WW8PropertySetImpl(*this, nOffsetIStd,
 107                                             nOffsetEnd - nOffsetIStd,
 108                                             true));
 109             }
 110         }
 111     }
 112
 113     return pResult;
 114 }
 115
 116 void WW8PAPFKPImpl::dump(OutputWithDepth<string> & o) const
 117 {
 118     o.addItem("<fkp type='PAP'>");
 119
 120     sal_uInt32 nCount = getEntryCount();
 121     for (sal_uInt32 n = 0; n < nCount; ++n)
 122     {
 123         char sBuffer[256];
 124
 125         snprintf(sBuffer, sizeof(sBuffer),
 126                  "<fkpentry fc='%" SAL_PRIxUINT32 "' offsetInFKP='%x'/>",
 127                  getFc(n).get(), 2 * getU8(getRgb() + n * 13));
 128
 129         o.addItem(sBuffer);
 130     }
 131
 132     WW8StructBase::dump(o);
 133
 134     o.addItem("</fkp>");
 135 }
 136
 137 bool operator < (const PageNumberAndFKP & rA,
 138                  const PageNumberAndFKP & rB)
 139 {
 140     return rA.mnPageNumber < rB.mnPageNumber;
 141 }
 142
 143 WW8FKPCache::~WW8FKPCache()
 144 {
 145 }
 146
 147 WW8FKP::Pointer_t WW8FKPCacheImpl::get(sal_uInt32 nPageNumber,
 148                                        bool bComplex)
 149 {
 150     WW8FKP::Pointer_t pResult;
 151
 152     PageNumbersAndFKPs::iterator aIt;
 153     aIt = mPageNumbersAndFKPs.find
 154         (PageNumberAndFKP(nPageNumber, WW8FKP::Pointer_t()));
 155
 156     if (aIt != mPageNumbersAndFKPs.end())
 157         pResult = aIt->getFKP();
 158     else
 159     {
 160         if (mPageNumbersAndFKPs.size() > mnCacheSize)
 161         {
 162             PageNumbersAndFKPs::iterator aItDel =
 163                 mPageNumbersAndFKPs.find
 164                 (PageNumberAndFKP(mPageNumbers.front(),
 165                                   WW8FKP::Pointer_t()));
 166
 167             mPageNumbersAndFKPs.erase(aItDel);
 168             mPageNumbers.pop_front();
 169         }
 170
 171         pResult = createFKP(nPageNumber, bComplex);
 172
 173         PageNumberAndFKP aPageNumberAndFKP(nPageNumber, pResult);
 174         mPageNumbersAndFKPs.insert(aPageNumberAndFKP);
 175         mPageNumbers.push_back(nPageNumber);
 176     }
 177
 178     return pResult;
 179 }
 180
 181 WW8FKP::Pointer_t WW8CHPFKPCacheImpl::createFKP(sal_uInt32 nPageNumber,
 182                                                 bool bComplex)
 183 {
 184     return WW8FKP::Pointer_t(new WW8CHPFKPImpl
 185                              (*mpStream, nPageNumber, bComplex));
 186 }
 187
 188 WW8FKP::Pointer_t WW8PAPFKPCacheImpl::createFKP(sal_uInt32 nPageNumber,
 189                                                 bool bComplex)
 190 {
 191     return WW8FKP::Pointer_t(new WW8PAPFKPImpl
 192                              (*mpStream, nPageNumber, bComplex));
 193 }
 194 }}
 195
 196 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */