bool pt_PieceTable::_realInsertSpan(PT_DocPosition dpos,
const UT_UCSChar * p,
UT_uint32 length,
const gchar ** attributes,
const gchar ** properties,
fd_Field * pField,
bool bAddChangeRec)
{
// insert character data into the document at the given position.
UT_return_val_if_fail (m_pts==PTS_Editing, false);
// get the fragment at the given document position.
pf_Frag * pf = NULL;
PT_BlockOffset fragOffset = 0;
bool bFound = getFragFromPosition(dpos,&pf,&fragOffset);
UT_return_val_if_fail (bFound,false);
// append the text data to the end of the current buffer.
PT_BufIndex bi;
if (!m_varset.appendBuf(p,length,&bi))
return false;
pf_Frag_Strux * pfs = NULL;
bool bFoundStrux = _getStruxFromFrag(pf,&pfs);
UT_return_val_if_fail (bFoundStrux,false);
if(isEndFootnote((pf_Frag *)pfs))
{
bFoundStrux = _getStruxFromFragSkip((pf_Frag *) pfs,&pfs);
}
UT_return_val_if_fail (pfs,false);
if(pfs->getStruxType() == PTX_EndFrame)
{
bFoundStrux = _getStruxFromFragSkip((pf_Frag *) pfs,&pfs);
}
// we just did a getFragFromPosition() which gives us the
// the thing *starting* at that position. if we have a
// fragment boundary at that position, it's sort of arbitrary
// whether we treat this insert as a prepend to the one we just found
// or an append to the previous one (when it's a text frag).
// in the normal case, we want the Attr/Prop of a character
// insertion to take the AP of the thing to the immediate
// left (seems to be what MS-Word and MS-WordPad do). It's also
// useful when the user hits the BOLD button (without a)
// selection) and then starts typing -- ideally you'd like
// all of the text to have bold not just the first. therefore,
// we will see if we are on a text-text boundary and backup
// (and thus appending) to the previous.
bool bNeedGlob = false;
PT_AttrPropIndex indexAP = 0;
if ( (fragOffset==0) && (pf->getPrev()) )
{
bool bRightOfFmtMark = (pf->getPrev()->getType() == pf_Frag::PFT_FmtMark);
if (bRightOfFmtMark)
{
// if we're just to the right of a _FmtMark, we want to replace
// it with a _Text frag with the same attr/prop (we
// only used the _FmtMark to remember a toggle format
// before we had text for it).
pf_Frag_FmtMark * pfPrevFmtMark = static_cast<pf_Frag_FmtMark *>(pf->getPrev());
indexAP = pfPrevFmtMark->getIndexAP();
if (_lastUndoIsThisFmtMark(dpos))
{
// if the last thing in the undo history is the insertion of this
// _FmtMark, then let's remember the indexAP, do an undo, and then
// insert the text. this way the only thing remaining in the undo
// is the insertion of this text (with no globbing around it). then
// a user-undo will undo all of the coalesced text back to this point
// and leave the insertion point as if the original InsertFmtMark
// had never happened.
//
// we don't allow consecutive FmtMarks, but the undo may be a
// changeFmtMark and thus just re-change the mark frag rather
// than actually deleting it. so we loop here to get back to
// the original insertFmtMark (this is the case if the user hit
// BOLD then ITALIC then UNDERLINE then typed a character).
do { undoCmd(); } while (_lastUndoIsThisFmtMark(dpos));
}
else
{
// for some reason, something else has happened to the document
// since this _FmtMark was inserted (perhaps it was one that we
// inserted when we did a paragraph break and inserted several
// to remember the current inline formatting).
//
// here we have to do it the hard way and use a glob and an
// explicit deleteFmtMark. note that this messes up the undo
// coalescing. that is, if the user starts typing at this
// position and then hits UNDO, we will erase all of the typing
// except for the first character. the second UNDO, will erase
// the first character and restores the current FmtMark. if the
// user BACKSPACES instead of doing the second UNDO, both the
// first character and the FmtMark would be gone.
//
// TODO decide if we like this...
// NOTE this causes BUG#431.... :-)
bNeedGlob = true;
beginMultiStepGlob();
_deleteFmtMarkWithNotify(dpos,pfPrevFmtMark,pfs,&pf,&fragOffset);
}
// we now need to consider pf invalid, since the fragment list may have
// been coalesced as the FmtMarks were deleted. let's recompute them
// but with a few shortcuts.
bFound = getFragFromPosition(dpos,&pf,&fragOffset);
UT_return_val_if_fail (bFound, false);
bFoundStrux = _getStruxFromFrag(pf,&pfs);
UT_return_val_if_fail (bFoundStrux,false);
if(isEndFootnote((pf_Frag *)pfs))
{
bFoundStrux = _getStruxFromFragSkip((pf_Frag *)pfs,&pfs);
}
UT_return_val_if_fail (bFoundStrux, false);
xxx_UT_DEBUGMSG(("Got FragStrux at Pos %d \n",pfs->getPos()));
// with the FmtMark now gone, we make a minor adjustment so that we
// try to append text to the previous rather than prepend to the current.
// this makes us consistent with other places in the code.
if ( (fragOffset==0) && (pf->getPrev()) && (pf->getPrev()->getType() == pf_Frag::PFT_Text) && pf->getPrev()->getField()== NULL )
{
// append to the end of the previous frag rather than prepend to the current one.
pf = pf->getPrev();
fragOffset = pf->getLength();
}
}
else if (pf->getPrev()->getType() == pf_Frag::PFT_Text && pf->getPrev()->getField()==NULL)
{
pf_Frag_Text * pfPrevText = static_cast<pf_Frag_Text *>(pf->getPrev());
indexAP = pfPrevText->getIndexAP();
// append to the end of the previous frag rather than prepend to the current one.
pf = pf->getPrev();
fragOffset = pf->getLength();
}
else
{
indexAP = _chooseIndexAP(pf,fragOffset);
// PLAM: This is the list of field attrs that should not inherit
// PLAM: to the span following a field.
const gchar * pFieldAttrs[12];
pFieldAttrs[0] = "type"; pFieldAttrs[1] = NULL;
pFieldAttrs[2] = "param"; pFieldAttrs[3] = NULL;
pFieldAttrs[4] = "name"; pFieldAttrs[5] = NULL;
pFieldAttrs[6] = "endnote-id"; pFieldAttrs[7] = NULL;
pFieldAttrs[8] = NULL; pFieldAttrs[9] = NULL;
pFieldAttrs[10] = NULL; pFieldAttrs[11] = NULL;
const PP_AttrProp * pAP = NULL;
if (!getAttrProp(indexAP, &pAP))
return false;
if (pAP->areAnyOfTheseNamesPresent(pFieldAttrs, NULL))
{
// We do not want to inherit a char style from a field.
pFieldAttrs[8] = "style";
PP_AttrProp * pAPNew = pAP->cloneWithElimination(pFieldAttrs, NULL);
if (!pAPNew)
return false;
pAPNew->markReadOnly();
if (!m_varset.addIfUniqueAP(pAPNew, &indexAP))
return false;
}
}
}
else
{
// is existing fragment a field? If so do nothing
// Or should we display a message to the user?
if(pf->getField() != NULL)
{
return false;
}
indexAP = _chooseIndexAP(pf,fragOffset);
}
PT_BlockOffset blockOffset = _computeBlockOffset(pfs,pf) + fragOffset;
PX_ChangeRecord_Span * pcr = NULL;
if(attributes || properties)
{
// we need to add the attrs and props passed to us ...
PT_AttrPropIndex indexNewAP;
bool bMerged;
bMerged = m_varset.mergeAP(PTC_AddFmt,indexAP,attributes,properties,&indexNewAP,getDocument());
UT_ASSERT_HARMLESS( bMerged );
if(bMerged)
indexAP = indexNewAP;
}
if (!_insertSpan(pf,bi,fragOffset,length,indexAP,pField))
{
if (bNeedGlob)
endMultiStepGlob();
return false;
}
// note: because of coalescing, pf should be considered invalid at this point.
// create a change record, add it to the history, and notify
// anyone listening.
pcr = new PX_ChangeRecord_Span(PX_ChangeRecord::PXT_InsertSpan,
dpos,indexAP,bi,length,
blockOffset, pField);
UT_return_val_if_fail (pcr, false);
pcr->setDocument(m_pDocument);
bool canCoalesce = _canCoalesceInsertSpan(pcr);
if (!bAddChangeRec || (canCoalesce && !m_pDocument->isCoalescingMasked()))
{
if (canCoalesce)
m_history.coalesceHistory(pcr);
m_pDocument->notifyListeners(pfs,pcr);
delete pcr;
}
else
{
m_history.addChangeRecord(pcr);
m_pDocument->notifyListeners(pfs,pcr);
}
if (bNeedGlob)
endMultiStepGlob();
return true;
}
bool pt_PieceTable::_doTheDo(const PX_ChangeRecord * pcr, bool bUndo)
{
// actually do the work of the undo or redo.
m_bDoingTheDo = true;
switch (pcr->getType())
{
//////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////
case PX_ChangeRecord::PXT_GlobMarker:
DONE();
m_bDoingTheDo = false;
return true;
//////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////
case PX_ChangeRecord::PXT_InsertSpan:
{
const PX_ChangeRecord_Span * pcrSpan = static_cast<const PX_ChangeRecord_Span *>(pcr);
pf_Frag * pf = NULL;
PT_BlockOffset fragOffset = 0;
UT_DEBUGMSG(("_undo insertspan Pos = %d \n",pcr->getPosition()));
bool bFound = getFragFromPosition(pcrSpan->getPosition(),&pf,&fragOffset);
UNDO_return_val_if_fail (bFound,false);
pf_Frag_Strux * pfs = NULL;
bool bFoundStrux = _getStruxFromFrag(pf,&pfs);
UNDO_return_val_if_fail (bFoundStrux,false);
if(isEndFootnote(static_cast<pf_Frag *>(pfs)))
{
bFoundStrux = _getStruxFromFragSkip(static_cast<pf_Frag *>(pfs),&pfs);
UNDO_return_val_if_fail (bFoundStrux,false);
}
PT_BlockOffset newOffset = pcrSpan->getPosition() - pfs->getPos() -1;
if (!_insertSpan(pf,pcrSpan->getBufIndex(),fragOffset,
pcrSpan->getLength(),pcrSpan->getIndexAP(),
pcrSpan->getField()))
return false;
DONE();
pcrSpan->AdjustBlockOffset(newOffset);
m_pDocument->notifyListeners(pfs,pcr);
}
m_bDoingTheDo = false;
return true;
case PX_ChangeRecord::PXT_DeleteSpan:
{
// Our deleteSpan is much simpler than the main routine.
// We can do this becase the change history is composed
// of atomic operations, whereas the main routine has to
// to deal with whatever the user chose to do (and cut
// it into a series of steps).
const PX_ChangeRecord_Span * pcrSpan = static_cast<const PX_ChangeRecord_Span *>(pcr);
pf_Frag * pf = NULL;
PT_BlockOffset fragOffset = 0;
bool bFound = getFragFromPosition(pcrSpan->getPosition(),&pf,&fragOffset);
UNDO_return_val_if_fail (bFound,false);
UNDO_return_val_if_fail (pf->getType() == pf_Frag::PFT_Text,false);
pf_Frag_Strux * pfs = NULL;
bool bFoundStrux = _getStruxFromFrag(pf,&pfs);
UNDO_return_val_if_fail (bFoundStrux, false);
if(isEndFootnote(static_cast<pf_Frag *>(pfs)))
{
bFoundStrux = _getStruxFromFragSkip(static_cast<pf_Frag *>(pfs),&pfs);
UNDO_return_val_if_fail (bFoundStrux, false);
}
UNDO_return_val_if_fail (bFoundStrux, false);
UT_sint32 newOffset = pcrSpan->getPosition() - pfs->getPos() -1; //was -2
if(newOffset < 0)
newOffset = 0;
pf_Frag_Text * pft = static_cast<pf_Frag_Text *> (pf);
UNDO_return_val_if_fail (pft->getIndexAP() == pcrSpan->getIndexAP(),false);
xxx_UT_DEBUGMSG(("deletespan in _doTheDo length %d \n",pcrSpan->getLength()));
UT_uint32 iLenDeleted = fragOffset + pft->getLength();
if(iLenDeleted >= pcrSpan->getLength())
{
_deleteSpan(pft,fragOffset,pcrSpan->getBufIndex(),pcrSpan->getLength(),NULL,NULL);
}
else
{
pf_Frag_Text * pftNext = static_cast<pf_Frag_Text *>(pft->getNext());
UT_uint32 iLenDel = pft->getLength() - fragOffset;
iLenDeleted = 0;
while(pft && (pft ->getType() == pf_Frag::PFT_Text) && (iLenDeleted <pcrSpan->getLength()) )
{
_deleteSpan(pft,fragOffset,pcrSpan->getBufIndex(),iLenDel,NULL,NULL);
pft = pftNext;
pftNext = static_cast<pf_Frag_Text *>(pft->getNext());
iLenDeleted += iLenDel;
iLenDel = pcrSpan->getLength() - iLenDeleted;
if(iLenDel > pft->getLength())
iLenDel = pft->getLength();
fragOffset = 0;
}
}
UT_DEBUGMSG(("newOffset %d spanBlockOffset %d \n",newOffset,pcrSpan->getBlockOffset()));
pcrSpan->AdjustBlockOffset(newOffset);
m_pDocument->notifyListeners(pfs,pcr);
DONE();
}
m_bDoingTheDo = false;
return true;
case PX_ChangeRecord::PXT_ChangeSpan:
{
// ChangeSpan is it's own inverse. similarly, we have a much simpler
// job than the main routine, because we have broken up the user's
// request into atomic operations.
const PX_ChangeRecord_SpanChange * pcrs = static_cast<const PX_ChangeRecord_SpanChange *>(pcr);
pf_Frag * pf = NULL;
PT_BlockOffset fragOffset = 0;
bool bFound = getFragFromPosition(pcrs->getPosition(),&pf,&fragOffset);
UNDO_return_val_if_fail (bFound, false);
UNDO_return_val_if_fail (pf->getType() == pf_Frag::PFT_Text, false);
pf_Frag_Text * pft = static_cast<pf_Frag_Text *> (pf);
pf_Frag_Strux * pfs = NULL;
bool bFoundStrux = _getStruxFromFrag(pf,&pfs);
if(isEndFootnote(static_cast<pf_Frag *>(pfs)))
{
bFoundStrux = _getStruxFromFragSkip(static_cast<pf_Frag *>(pfs),&pfs);
UNDO_return_val_if_fail (bFoundStrux, false);
}
UNDO_return_val_if_fail (bFoundStrux, false);
PT_BlockOffset newOffset = pcrs->getPosition() - pfs->getPos() -1;
// we need to loop here, because even though we have a simple (atomic) change,
// the document may be fragmented slightly differently (or rather, it may not
// yet be possible to coalesce it (until the end of the loop)).
pf_Frag * pfEnd;
UT_uint32 fragOffsetEnd;
UT_uint32 length = pcrs->getLength();
while (length)
{
UT_uint32 lengthInFrag = pft->getLength() - fragOffset;
UT_uint32 lengthThisStep = UT_MIN(lengthInFrag, length);
_fmtChangeSpan(pft,fragOffset,lengthThisStep,pcrs->getIndexAP(),&pfEnd,&fragOffsetEnd);
length -= lengthThisStep;
if (length == 0)
break;
UNDO_return_val_if_fail (pfEnd->getType() == pf_Frag::PFT_Text, false);
pft = static_cast<pf_Frag_Text *> (pfEnd);
fragOffset = fragOffsetEnd;
}
DONE();
pcrs->AdjustBlockOffset(newOffset);
m_pDocument->notifyListeners(pfs,pcr);
}
m_bDoingTheDo = false;
return true;
//////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////
case PX_ChangeRecord::PXT_InsertStrux:
{
const PX_ChangeRecord_Strux * pcrStrux = static_cast<const PX_ChangeRecord_Strux *>(pcr);
pf_Frag_Strux * pfsNew = NULL;
if (!_createStrux(pcrStrux->getStruxType(),pcrStrux->getIndexAP(),&pfsNew))
return false;
pf_Frag * pf = NULL;
PT_BlockOffset fragOffset = 0;
bool bFoundFrag = getFragFromPosition(pcrStrux->getPosition(),&pf,&fragOffset);
UNDO_return_val_if_fail (bFoundFrag, false);
// get the strux containing the given position.
// TODO see if we can avoid this call to _getStruxFromPosition ??
pf_Frag_Strux * pfsContainer = NULL;
bool bFoundContainer = _getStruxFromPosition(pcrStrux->getPosition(),&pfsContainer);
UNDO_return_val_if_fail (bFoundContainer,false);
if(isEndFootnote(static_cast<pf_Frag *>(pfsContainer)))
{
bool bFoundStrux = _getStruxFromFragSkip(static_cast<pf_Frag *>(pfsContainer),&pfsContainer);
UNDO_return_val_if_fail (bFoundStrux, false);
}
_insertStrux(pf,fragOffset,pfsNew);
DONE();
m_pDocument->notifyListeners(pfsContainer,pfsNew,pcr);
}
return true;
case PX_ChangeRecord::PXT_DeleteStrux:
{
const PX_ChangeRecord_Strux * pcrStrux = static_cast<const PX_ChangeRecord_Strux *>(pcr);
pf_Frag * pf = NULL;
PT_BlockOffset fragOffset = 0;
bool bFoundFrag = getFragFromPosition(pcrStrux->getPosition(),&pf,&fragOffset);
UNDO_return_val_if_fail (bFoundFrag,false);
UNDO_return_val_if_fail (pf->getType() == pf_Frag::PFT_Strux,false);
pf_Frag_Strux * pfs = static_cast<pf_Frag_Strux *> (pf);
UNDO_return_val_if_fail (pcrStrux->getStruxType() == pfs->getStruxType(),false);
bool bResult = _unlinkStrux(pfs,NULL,NULL);
m_pDocument->notifyListeners(pfs,pcr);
UNDO_return_val_if_fail (bResult,false);
DONE();
delete pfs;
}
m_bDoingTheDo = false;
return true;
case PX_ChangeRecord::PXT_ChangeStrux:
{
// ChangeStrux is it's own inverse.
const PX_ChangeRecord_StruxChange * pcrs = static_cast<const PX_ChangeRecord_StruxChange *>(pcr);
pf_Frag_Strux * pfs;
bool bFound = _getStruxFromPosition(pcrs->getPosition(),&pfs);
UNDO_return_val_if_fail (bFound,false);
bool bResult = _fmtChangeStrux(pfs,pcrs->getIndexAP());
UNDO_return_val_if_fail (bResult,false);
DONE();
m_pDocument->notifyListeners(pfs,pcr);
}
m_bDoingTheDo = false;
return true;
//////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////
case PX_ChangeRecord::PXT_InsertObject:
{
const PX_ChangeRecord_Object * pcrObject = static_cast<const PX_ChangeRecord_Object *>(pcr);
pf_Frag * pf = NULL;
PT_BlockOffset fragOffset = 0;
bool bFound = getFragFromPosition(pcrObject->getPosition(),&pf,&fragOffset);
UNDO_return_val_if_fail (bFound, false);
pf_Frag_Strux * pfs = NULL;
bool bFoundStrux2 = _getStruxFromFrag(pf,&pfs);
UNDO_return_val_if_fail (bFoundStrux2, false);
if(isEndFootnote(static_cast<pf_Frag *>(pfs)))
{
bool bFoundStrux = _getStruxFromFragSkip(static_cast<pf_Frag *>(pfs),&pfs);
UNDO_return_val_if_fail (bFoundStrux,false);
}
pf_Frag_Object * pfo = NULL;
if (!_insertObject(pf,fragOffset,pcrObject->getObjectType(),
pcrObject->getIndexAP(),pfo))
return false;
pcrObject->setObjectHandle(pfo);
UNDO_return_val_if_fail (pfo,false);
UT_sint32 newOffset = pcrObject->getPosition() - pfs->getPos() -1;
// need to set field pointers to values of new pointer
// as old field doesn't exist
pf = pfo->getNext();
while (pf&&pf->getType()==pf_Frag::PFT_Text&&
pf->getField())
{
pf_Frag_Text * pft =
static_cast<pf_Frag_Text *>(pf);
pft->setField(pfo->getField());
pf = pft->getNext();
}
DONE();
pcrObject->AdjustBlockOffset(newOffset);
m_pDocument->notifyListeners(pfs,pcr);
// don't update field until all of changes have been made
}
m_bDoingTheDo = false;
return true;
case PX_ChangeRecord::PXT_DeleteObject:
{
const PX_ChangeRecord_Object * pcrObject = static_cast<const PX_ChangeRecord_Object *>(pcr);
pf_Frag * pf = NULL;
PT_BlockOffset fragOffset = 0;
bool bFound = getFragFromPosition(pcrObject->getPosition(),&pf,&fragOffset);
UNDO_return_val_if_fail (bFound, false);
UNDO_return_val_if_fail (pf->getType() == pf_Frag::PFT_Object,false);
UNDO_return_val_if_fail (fragOffset == 0,false);
pf_Frag_Strux * pfs = NULL;
bool bFoundStrux2 = _getStruxFromFrag(pf,&pfs);
UNDO_return_val_if_fail (bFoundStrux2,false);
if(isEndFootnote(static_cast<pf_Frag *>(pfs)))
{
bool bFoundStrux = _getStruxFromFragSkip(static_cast<pf_Frag *>(pfs),&pfs);
UNDO_return_val_if_fail (bFoundStrux,false);
}
UT_sint32 newOffset = pcrObject->getPosition() - pfs->getPos() -1; // was -2
if(newOffset < 0)
newOffset = 0;
pf_Frag_Object * pfo = static_cast<pf_Frag_Object *> (pf);
if((pfo->getObjectType() != PTO_Math) && ((pfo->getObjectType() != PTO_Embed)))
{
UNDO_return_val_if_fail (pfo->getIndexAP() == pcrObject->getIndexAP(),false);
}
_deleteObject(pfo,NULL,NULL);
DONE();
pcrObject->AdjustBlockOffset(newOffset);
m_pDocument->notifyListeners(pfs,pcr);
}
m_bDoingTheDo = false;
return true;
case PX_ChangeRecord::PXT_ChangeObject:
{
// ChangeSpan is it's own inverse.
const PX_ChangeRecord_ObjectChange * pcro = static_cast<const PX_ChangeRecord_ObjectChange *>(pcr);
pf_Frag * pf = NULL;
PT_BlockOffset fragOffset = 0;
bool bFound = getFragFromPosition(pcro->getPosition(),&pf,&fragOffset);
UNDO_return_val_if_fail (bFound,false);
UNDO_return_val_if_fail (pf->getType() == pf_Frag::PFT_Object,false);
UNDO_return_val_if_fail (fragOffset == 0, false);
pf_Frag_Strux * pfs = NULL;
bool bFoundStrux2 = _getStruxFromFrag(pf,&pfs);
UNDO_return_val_if_fail (bFoundStrux2,false);
if(isEndFootnote(static_cast<pf_Frag *>(pfs)))
{
bool bFoundStrux = _getStruxFromFragSkip(static_cast<pf_Frag *>(pfs),&pfs);
UNDO_return_val_if_fail (bFoundStrux,false);
}
UT_sint32 newOffset = pcro->getPosition() - pfs->getPos() -1;
pf_Frag_Object * pfo = static_cast<pf_Frag_Object *> (pf);
_fmtChangeObject(pfo,pcro->getIndexAP(),NULL,NULL);
DONE();
pcro->AdjustBlockOffset(newOffset);
m_pDocument->notifyListeners(pfs,pcr);
}
m_bDoingTheDo = false;
return true;
///////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////
case PX_ChangeRecord::PXT_InsertFmtMark:
{
const PX_ChangeRecord_FmtMark * pcrFM = static_cast<const PX_ChangeRecord_FmtMark *>(pcr);
pf_Frag * pf = NULL;
PT_BlockOffset fragOffset = 0;
bool bFound = getFragFromPosition(pcrFM->getPosition(),&pf,&fragOffset);
UNDO_return_val_if_fail (bFound, false);
pf_Frag_Strux * pfs = NULL;
bool bFoundStrux2 = _getStruxFromFrag(pf,&pfs);
UNDO_return_val_if_fail (bFoundStrux2, false);
if(isEndFootnote(static_cast<pf_Frag *>(pfs)))
{
bool bFoundStrux = _getStruxFromFragSkip(static_cast<pf_Frag *>(pfs),&pfs);
UNDO_return_val_if_fail (bFoundStrux,false);
}
UT_sint32 newOffset = pcrFM->getPosition() - pfs->getPos() -1;
if (!_insertFmtMark(pf,fragOffset,pcrFM->getIndexAP()))
return false;
DONE();
pcrFM->AdjustBlockOffset(newOffset);
m_pDocument->notifyListeners(pfs,pcr);
}
m_bDoingTheDo = false;
return true;
case PX_ChangeRecord::PXT_DeleteFmtMark:
{
const PX_ChangeRecord_FmtMark * pcrFM = static_cast<const PX_ChangeRecord_FmtMark *>(pcr);
pf_Frag * pf = NULL;
PT_BlockOffset fragOffset = 0;
bool bFound = getFragFromPosition(pcrFM->getPosition(),&pf,&fragOffset);
UNDO_return_val_if_fail (bFound, false);
// we backup one because we have zero length and getFragFromPosition()
// returns the right-most thing with this document position.
if(pf->getType() != pf_Frag::PFT_FmtMark)
pf = pf->getPrev();
if(pf->getType()==pf_Frag::PFT_Strux)
{
if(pf->getNext() && pf->getNext()->getType() == pf_Frag::PFT_Strux)
{
DONE();
m_bDoingTheDo = false;
return true;
}
if(pf->getNext() && pf->getNext()->getType() == pf_Frag::PFT_Text)
{
pf = pf->getNext();
if(pf->getNext() && pf->getNext()->getType() == pf_Frag::PFT_FmtMark)
{
pf = pf->getNext();
}
}
}
UNDO_return_val_if_fail (pf->getType() == pf_Frag::PFT_FmtMark,false);
UNDO_return_val_if_fail (fragOffset == 0,false);
pf_Frag_Strux * pfs = NULL;
bool bFoundStrux = _getStruxFromFragSkip(pf,&pfs);
UNDO_return_val_if_fail (bFoundStrux,false);
UT_sint32 newOffset = pcrFM->getPosition() - pfs->getPos() -1;
pf_Frag_FmtMark * pffm = static_cast<pf_Frag_FmtMark *> (pf);
// UNDO_return_val_if_fail (pffm->getIndexAP() == pcrFM->getIndexAP(),false);
_deleteFmtMark(pffm,NULL,NULL);
DONE();
pcrFM->AdjustBlockOffset(newOffset);
m_pDocument->notifyListeners(pfs,pcr);
}
m_bDoingTheDo = false;
return true;
case PX_ChangeRecord::PXT_ChangeFmtMark:
{
// ChangeFmt is it's own inverse.
const PX_ChangeRecord_FmtMarkChange * pcrFMC = static_cast<const PX_ChangeRecord_FmtMarkChange *>(pcr);
pf_Frag * pf = NULL;
PT_BlockOffset fragOffset = 0;
bool bFound = getFragFromPosition(pcrFMC->getPosition(),&pf,&fragOffset);
UNDO_return_val_if_fail (bFound,false);
// we backup one because we have zero length and getFragFromPosition()
// returns the right-most thing with this document position.
if(pf->getType() != pf_Frag::PFT_FmtMark)
pf = pf->getPrev();
if(pf->getType()==pf_Frag::PFT_Strux)
{
if(pf->getNext() && pf->getNext()->getType() == pf_Frag::PFT_Strux)
{
DONE();
m_bDoingTheDo = false;
return true;
}
}
UNDO_return_val_if_fail (pf->getType() == pf_Frag::PFT_FmtMark,false);
UNDO_return_val_if_fail (fragOffset == 0,false);
pf_Frag_Strux * pfs = NULL;
bool bFoundStrux = _getStruxFromFragSkip(pf,&pfs);
UNDO_return_val_if_fail (bFoundStrux,false);
UT_sint32 newOffset = pcrFMC->getPosition() - pfs->getPos() -1;
pf_Frag_FmtMark * pffm = static_cast<pf_Frag_FmtMark *> (pf);
_fmtChangeFmtMark(pffm,pcrFMC->getIndexAP(),NULL,NULL);
DONE();
m_bDoingTheDo = false;
pcrFMC->AdjustBlockOffset(newOffset);
m_pDocument->notifyListeners(pfs,pcr);
}
return true;
///////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////
case PX_ChangeRecord::PXT_ChangePoint:
DONE();
m_pDocument->notifyListeners(NULL, pcr);
m_bDoingTheDo = false;
return true;
default:
UT_ASSERT_HARMLESS(0);
m_bDoingTheDo = false;
return false;
}
}
/*!
Parse stream contents into the document
\param stream Stream to import from
This code is used for both files and the clipboard
*/
UT_Error IE_Imp_Text::_parseStream(ImportStream * pStream)
{
UT_return_val_if_fail(pStream, UT_ERROR);
bool bFirstChar = true;
UT_GrowBuf gbBlock(1024);
UT_UCSChar c;
if (!m_bExplicitlySetEncoding) {
std::string prop;
prop = getProperty ("encoding");
if (!prop.empty()) {
_setEncoding (prop.c_str());
}
}
pStream->init(m_szEncoding);
while (pStream->getChar(c))
{
// TODO We should switch fonts when we encounter
// TODO characters from different scripts
switch (c)
{
case UCS_CR:
case UCS_LF:
case UCS_LINESEP:
case UCS_PARASEP:
// we interpret either CRLF, CR, or LF as a paragraph break.
// we also accept U+2028 (line separator) and U+2029 (para separator)
// especially since these are recommended by Mac OS X.
// flush out what we have
if (gbBlock.getLength() > 0)
X_ReturnNoMemIfError(_insertSpan(gbBlock));
X_ReturnNoMemIfError(_insertBlock());
break;
case UCS_BOM:
// This is Byte Order Mark at the start of file, Zero Width Non Joiner elsewhere
if (bFirstChar)
break;
// if we encounter any of the following characters we will
// substitute a '?' as they correspond to control characters,
// though some text files use them for their character representations
// We do this instead of of immediately returning an error
// (and assuming they have no business in a text file) so we can
// still show usable text to a user who has one of these files.
case 0x0000:
case 0x0001:
case 0x0002:
case 0x0003:
case 0x0004:
case 0x0005:
case 0x0006:
case 0x0007:
case 0x0008:
case 0x000e:
case 0x000f:
case 0x0010:
case 0x0011:
case 0x0012:
case 0x0013:
case 0x0014:
case 0x0015:
case 0x0016:
case 0x0017:
case 0x0018:
case 0x0019:
case 0x001a:
case 0x001b:
case 0x001c:
case 0x001d:
case 0x001e:
case 0x001f:
// UT_ASSERT(!(c <= 0x001f));
c = '?';
/* return UT_ERROR; // fall through with modified character */
default:
X_ReturnNoMemIfError(gbBlock.append(reinterpret_cast<UT_GrowBufElement*>(&c),1));
break;
}
bFirstChar = false;
}
if (gbBlock.getLength() > 0)
X_ReturnNoMemIfError(_insertSpan(gbBlock));
return UT_OK;
}