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/* -*- 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/.
*/
#include "rtfsprm.hxx"
#include <ooxml/resourceids.hxx>
#include <ooxml/QNameToString.hxx>
#include <rtl/strbuf.hxx>
#include "rtfdocumentimpl.hxx"
#include <algorithm>
namespace writerfilter::rtftok
{
RTFSprm::RTFSprm(Id nKeyword, RTFValue::Pointer_t& pValue)
: m_nKeyword(nKeyword)
, m_pValue(pValue)
{
}
sal_uInt32 RTFSprm::getId() const { return m_nKeyword; }
Value::Pointer_t RTFSprm::getValue() { return Value::Pointer_t(m_pValue->Clone()); }
writerfilter::Reference<Properties>::Pointer_t RTFSprm::getProps()
{
return m_pValue->getProperties();
}
#ifdef DBG_UTIL
std::string RTFSprm::getName() const { return "RTFSprm"; }
#endif
#ifdef DBG_UTIL
std::string RTFSprm::toString() const
{
OStringBuffer aBuf("RTFSprm");
std::string sResult = QNameToString(m_nKeyword);
aBuf.append(" ('");
if (sResult.length() == 0)
aBuf.append(sal_Int32(m_nKeyword));
else
aBuf.append(sResult.c_str());
aBuf.append("', '");
aBuf.append(m_pValue->toString().c_str());
aBuf.append("')");
return aBuf.makeStringAndClear().getStr();
}
#endif
namespace
{
class RTFSprms_compare
{
Id keyword;
public:
RTFSprms_compare(Id kw)
: keyword{ kw }
{
}
bool operator()(const std::pair<Id, RTFValue::Pointer_t>& raPair) const
{
return raPair.first == keyword;
}
};
}
RTFValue::Pointer_t RTFSprms::find(Id nKeyword, bool bFirst, bool bForWrite)
{
if (bForWrite)
ensureCopyBeforeWrite();
RTFSprms_compare cmp{ nKeyword };
if (bFirst)
{
auto it = std::find_if(m_pSprms->begin(), m_pSprms->end(), cmp);
if (it != m_pSprms->end())
return it->second;
}
else
// find last
{
auto rit = std::find_if(m_pSprms->rbegin(), m_pSprms->rend(), cmp);
if (rit != m_pSprms->rend())
return rit->second;
}
return RTFValue::Pointer_t{};
}
void RTFSprms::set(Id nKeyword, const RTFValue::Pointer_t& pValue, RTFOverwrite eOverwrite)
{
ensureCopyBeforeWrite();
switch (eOverwrite)
{
case RTFOverwrite::YES_PREPEND:
{
m_pSprms->erase(
std::remove_if(m_pSprms->begin(), m_pSprms->end(), RTFSprms_compare{ nKeyword }),
m_pSprms->end());
m_pSprms->emplace(m_pSprms->cbegin(), nKeyword, pValue);
break;
}
case RTFOverwrite::YES:
{
auto it
= std::find_if(m_pSprms->begin(), m_pSprms->end(), RTFSprms_compare{ nKeyword });
if (it != m_pSprms->end())
it->second = pValue;
else
m_pSprms->emplace_back(nKeyword, pValue);
break;
}
case RTFOverwrite::NO_IGNORE:
{
if (std::none_of(m_pSprms->cbegin(), m_pSprms->cend(), RTFSprms_compare{ nKeyword }))
m_pSprms->emplace_back(nKeyword, pValue);
break;
}
case RTFOverwrite::NO_APPEND:
{
m_pSprms->emplace_back(nKeyword, pValue);
break;
}
}
}
bool RTFSprms::erase(Id nKeyword)
{
ensureCopyBeforeWrite();
auto i = std::find_if(m_pSprms->begin(), m_pSprms->end(), RTFSprms_compare{ nKeyword });
if (i != m_pSprms->end())
{
m_pSprms->erase(i);
return true;
}
return false;
}
void RTFSprms::eraseLast(Id nKeyword)
{
ensureCopyBeforeWrite();
auto i = std::find_if(m_pSprms->rbegin(), m_pSprms->rend(), RTFSprms_compare{ nKeyword });
if (i != m_pSprms->rend())
m_pSprms->erase(std::next(i).base());
}
static RTFValue::Pointer_t getDefaultSPRM(Id const id, Id nStyleType)
{
if (nStyleType == NS_ooxml::LN_Value_ST_StyleType_character)
{
switch (id)
{
case NS_ooxml::LN_EG_RPrBase_szCs:
case NS_ooxml::LN_EG_RPrBase_sz:
return new RTFValue(24);
case NS_ooxml::LN_CT_Color_val:
return new RTFValue(0);
case NS_ooxml::LN_EG_RPrBase_b:
case NS_ooxml::LN_EG_RPrBase_i:
return new RTFValue(0);
case NS_ooxml::LN_CT_Underline_val:
return new RTFValue(NS_ooxml::LN_Value_ST_Underline_none);
case NS_ooxml::LN_CT_Fonts_ascii:
case NS_ooxml::LN_CT_Fonts_eastAsia:
case NS_ooxml::LN_CT_Fonts_cs:
return new RTFValue("Times New Roman");
default:
break;
}
}
if (!nStyleType || nStyleType == NS_ooxml::LN_Value_ST_StyleType_paragraph)
{
switch (id)
{
case NS_ooxml::LN_CT_Spacing_before:
case NS_ooxml::LN_CT_Spacing_after:
case NS_ooxml::LN_CT_Ind_left:
case NS_ooxml::LN_CT_Ind_right:
case NS_ooxml::LN_CT_Ind_firstLine:
return new RTFValue(0);
case NS_ooxml::LN_CT_Spacing_lineRule:
return new RTFValue(NS_ooxml::LN_Value_doc_ST_LineSpacingRule_auto);
case NS_ooxml::LN_CT_Spacing_line:
// presumably this means 100%, cf. static const int nSingleLineSpacing = 240;
return new RTFValue(240);
case NS_ooxml::LN_CT_PrBase_pBdr:
{ // tdf#150382 default all paragraph borders to none
RTFSprms attributes;
RTFSprms sprms;
for (int i = 0; i < 4; ++i)
{
auto const nBorder = getParagraphBorder(i);
RTFSprms aAttributes;
RTFSprms aSprms;
aAttributes.set(NS_ooxml::LN_CT_Border_val,
new RTFValue(NS_ooxml::LN_Value_ST_Border_none));
sprms.set(nBorder, new RTFValue(aAttributes, aSprms));
}
return new RTFValue(attributes, sprms);
}
default:
break;
}
}
return RTFValue::Pointer_t();
}
/// Is it problematic to deduplicate this SPRM?
static bool isSPRMDeduplicateDenylist(Id nId, RTFSprms* pDirect)
{
switch (nId)
{
// See the NS_ooxml::LN_CT_PPrBase_tabs handler in DomainMapper,
// deduplication is explicitly not wanted for these tokens.
case NS_ooxml::LN_CT_TabStop_val:
case NS_ooxml::LN_CT_TabStop_leader:
case NS_ooxml::LN_CT_TabStop_pos:
// \htmautsp arrives after the style table, so only the non-style value is
// correct, keep these.
case NS_ooxml::LN_CT_Spacing_beforeAutospacing:
case NS_ooxml::LN_CT_Spacing_afterAutospacing:
// \chbrdr requires *all* of the border settings to be present,
// otherwise a default (NONE) border is created from the removed
// attributes which then overrides the style-defined border.
// See BorderHandler.cxx and NS_ooxml::LN_EG_RPrBase_bdr in DomainMapper.
// This also is needed for NS_ooxml::LN_CT_PBdr_top etc.
case NS_ooxml::LN_CT_Border_sz:
case NS_ooxml::LN_CT_Border_val:
case NS_ooxml::LN_CT_Border_color:
case NS_ooxml::LN_CT_Border_space:
case NS_ooxml::LN_CT_Border_shadow:
case NS_ooxml::LN_CT_Border_frame:
case NS_ooxml::LN_CT_Border_themeTint:
case NS_ooxml::LN_CT_Border_themeColor:
return true;
// Removing \fi and \li if the style has the same value would mean taking these values from
// \ls, while deduplication would be done to take the values from the style.
case NS_ooxml::LN_CT_Ind_firstLine:
case NS_ooxml::LN_CT_Ind_left:
return pDirect && pDirect->find(NS_ooxml::LN_CT_PPrBase_numPr);
default:
return false;
}
}
/// Should this SPRM be removed if all its children are removed?
static bool isSPRMChildrenExpected(Id nId)
{
switch (nId)
{
case NS_ooxml::LN_CT_PBdr_top:
case NS_ooxml::LN_CT_PBdr_left:
case NS_ooxml::LN_CT_PBdr_bottom:
case NS_ooxml::LN_CT_PBdr_right:
// Expected children are NS_ooxml::LN_CT_Border_*.
case NS_ooxml::LN_CT_PrBase_shd:
// Expected children are NS_ooxml::LN_CT_Shd_*.
case NS_ooxml::LN_CT_PPrBase_ind:
// Expected children are NS_ooxml::LN_CT_Ind_*.
return true;
default:
return false;
}
}
/// Does the clone / deduplication of a single sprm.
static void cloneAndDeduplicateSprm(std::pair<Id, RTFValue::Pointer_t> const& rSprm, RTFSprms& ret,
Id nStyleType, RTFSprms* pDirect = nullptr)
{
RTFValue::Pointer_t const pValue(ret.find(rSprm.first));
if (pValue)
{
if (rSprm.second->equals(*pValue))
{
if (!isSPRMDeduplicateDenylist(rSprm.first, pDirect))
{
ret.erase(rSprm.first); // duplicate to style
}
}
else if (!rSprm.second->getSprms().empty() || !rSprm.second->getAttributes().empty())
{
RTFSprms const sprms(pValue->getSprms().cloneAndDeduplicate(
rSprm.second->getSprms(), nStyleType, /*bImplicitPPr =*/false, pDirect));
RTFSprms const attributes(pValue->getAttributes().cloneAndDeduplicate(
rSprm.second->getAttributes(), nStyleType, /*bImplicitPPr =*/false, pDirect));
// Don't copy the sprm in case we expect it to have children but it doesn't have some.
if (!isSPRMChildrenExpected(rSprm.first) || !sprms.empty() || !attributes.empty())
ret.set(rSprm.first,
RTFValue::Pointer_t(pValue->CloneWithSprms(attributes, sprms)));
}
}
else
{
// not found - try to override style with default
RTFValue::Pointer_t const pDefault(getDefaultSPRM(rSprm.first, nStyleType));
if (pDefault)
{
ret.set(rSprm.first, pDefault);
}
else if (!rSprm.second->getSprms().empty() || !rSprm.second->getAttributes().empty())
{
RTFSprms const sprms(
RTFSprms().cloneAndDeduplicate(rSprm.second->getSprms(), nStyleType));
RTFSprms const attributes(
RTFSprms().cloneAndDeduplicate(rSprm.second->getAttributes(), nStyleType));
if (!sprms.empty() || !attributes.empty())
{
ret.set(rSprm.first, new RTFValue(attributes, sprms));
}
}
}
}
/// Extracts the list level matching nLevel from pAbstract.
static RTFValue::Pointer_t getListLevel(const RTFValue::Pointer_t& pAbstract, int nLevel)
{
for (const auto& rPair : pAbstract->getSprms())
{
if (rPair.first != NS_ooxml::LN_CT_AbstractNum_lvl)
continue;
RTFValue::Pointer_t pLevel = rPair.second->getAttributes().find(NS_ooxml::LN_CT_Lvl_ilvl);
if (!pLevel)
continue;
if (pLevel->getInt() != nLevel)
continue;
return rPair.second;
}
return RTFValue::Pointer_t();
}
void RTFSprms::deduplicateList(const std::map<int, int>& rInvalidListLevelFirstIndents)
{
int nLevel = 0;
RTFValue::Pointer_t pLevelId
= getNestedSprm(*this, NS_ooxml::LN_CT_PPrBase_numPr, NS_ooxml::LN_CT_NumPr_ilvl);
if (pLevelId)
nLevel = pLevelId->getInt();
auto it = rInvalidListLevelFirstIndents.find(nLevel);
if (it == rInvalidListLevelFirstIndents.end())
return;
int nListValue = it->second;
RTFValue::Pointer_t pParagraphValue
= getNestedAttribute(*this, NS_ooxml::LN_CT_PPrBase_ind, NS_ooxml::LN_CT_Ind_firstLine);
if (!pParagraphValue)
return;
int nParagraphValue = pParagraphValue->getInt();
if (nParagraphValue == nListValue)
eraseNestedAttribute(*this, NS_ooxml::LN_CT_PPrBase_ind, NS_ooxml::LN_CT_Ind_firstLine);
}
void RTFSprms::duplicateList(const RTFValue::Pointer_t& pAbstract)
{
int nLevel = 0;
RTFValue::Pointer_t pLevelId
= getNestedSprm(*this, NS_ooxml::LN_CT_PPrBase_numPr, NS_ooxml::LN_CT_NumPr_ilvl);
if (pLevelId)
nLevel = pLevelId->getInt();
RTFValue::Pointer_t pLevel = getListLevel(pAbstract, nLevel);
if (!pLevel)
return;
RTFValue::Pointer_t pLevelInd = pLevel->getSprms().find(NS_ooxml::LN_CT_PPrBase_ind);
if (!pLevelInd)
return;
for (const auto& rListLevelPair : pLevelInd->getAttributes())
{
switch (rListLevelPair.first)
{
case NS_ooxml::LN_CT_Ind_left:
case NS_ooxml::LN_CT_Ind_right:
case NS_ooxml::LN_CT_Ind_firstLine:
RTFValue::Pointer_t pParagraphValue
= getNestedAttribute(*this, NS_ooxml::LN_CT_PPrBase_ind, rListLevelPair.first);
if (!pParagraphValue)
putNestedAttribute(*this, NS_ooxml::LN_CT_PPrBase_ind, rListLevelPair.first,
getDefaultSPRM(rListLevelPair.first, 0));
break;
}
}
}
RTFSprms RTFSprms::cloneAndDeduplicate(RTFSprms& rReference, Id const nStyleType,
bool const bImplicitPPr, RTFSprms* pDirect) const
{
RTFSprms ret(*this);
ret.ensureCopyBeforeWrite();
// Note: apparently some attributes are set with OVERWRITE_NO_APPEND;
// it is probably a bad idea to mess with those in any way here?
for (auto& rSprm : rReference)
{
// Paragraph formatting sprms are directly contained in case of
// paragraphs, but they are below NS_ooxml::LN_CT_Style_pPr in case of
// styles. So handle those children directly, to avoid unexpected
// addition of direct formatting sprms at the paragraph level.
if (bImplicitPPr && rSprm.first == NS_ooxml::LN_CT_Style_pPr)
{
for (const auto& i : rSprm.second->getSprms())
cloneAndDeduplicateSprm(i, ret, nStyleType, pDirect);
}
else
cloneAndDeduplicateSprm(rSprm, ret, nStyleType, pDirect);
}
return ret;
}
bool RTFSprms::equals(const RTFValue& rOther) const
{
return std::all_of(m_pSprms->cbegin(), m_pSprms->cend(),
[&](const std::pair<Id, RTFValue::Pointer_t>& raPair) -> bool {
return raPair.second->equals(rOther);
});
}
void RTFSprms::ensureCopyBeforeWrite()
{
if (m_pSprms->GetRefCount() > 1)
{
tools::SvRef<RTFSprmsImpl> pClone(new RTFSprmsImpl);
for (auto& rSprm : *m_pSprms)
pClone->push_back(
std::make_pair(rSprm.first, RTFValue::Pointer_t(rSprm.second->Clone())));
m_pSprms = pClone;
}
}
RTFSprms::RTFSprms()
: m_pSprms(new RTFSprmsImpl)
{
}
RTFSprms::~RTFSprms() = default;
void RTFSprms::clear()
{
if (m_pSprms->GetRefCount() == 1)
return m_pSprms->clear();
m_pSprms = tools::SvRef<RTFSprmsImpl>(new RTFSprmsImpl);
}
} // namespace writerfilter::rtftok
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|