lyx_mirror/src/DocIterator.cpp
Bo Peng f630be8904 Rename .C ==> .cpp for files in src/
Oldname, newname, classes
src/pspell.C                                       src/PSpell.cpp    PSpell
src/ParagraphMetrics.h                             src/ParagraphMetrics.h    ParagraphMetrics
src/author.C                                       src/Author.cpp    ['Author', 'AuthorList']
src/Floating.C                                     src/Floating.cpp    Floating
src/lyxvc.C                                        src/LyXVC.cpp    LyXVC
src/intl.C                                         src/Intl.cpp    Intl
src/paragraph.h                                    src/Paragraph.h    ['FontSpan', 'Paragraph']
src/LyXAction.C                                    src/LyXAction.cpp    LyXAction
src/SpellBase.C                                    src/SpellBase.cpp    SpellBase
src/TextMetrics.C                                  src/TextMetrics.cpp    TextMetrics
src/LaTeXFeatures.C                                src/LaTeXFeatures.cpp    LaTeXFeatures
src/buffer_funcs.h                                 src/buffer_funcs.h NOCLASSES
src/Variables.h                                    src/Variables.h    Variables
src/cursor.C                                       src/LCursor.cpp    LCursor
src/lyx_cb.C                                       src/lyx_cb.cpp  NOCLASSES
src/DepTable.C                                     src/DepTable.cpp    ['DepTable', 'dep_info']
src/vspace.C                                       src/VSpace.cpp    VSpace
src/Thesaurus.C                                    src/Thesaurus.cpp    Thesaurus
src/Color.h                                        src/color.h NOCLASSES
src/Spacing.C                                      src/Spacing.cpp    Spacing
src/dociterator.h                                  src/DocIterator.h    ['DocIterator', 'StableDocIterator']
src/trans.C                                        src/Trans.cpp    Trans
src/metricsinfo.h                                  src/MetricsInfo.h    ['MetricsBase', 'MetricsInfo', 'PainterInfo', 'TextMetricsInfo', 'ViewMetricsInfo', 'Changer', 'FontChanger', 'FontSetChanger', 'StyleChanger', 'ScriptChanger', 'FracChanger', 'ArrayChanger', 'ShapeChanger', 'WidthChanger', 'ColorChanger']
src/box.C                                          src/Box.cpp    Box
src/language.h                                     src/Language.h    ['Language', 'Languages']
src/output_plaintext.C                             src/output_plaintext.cpp  NOCLASSES
src/coordcache.C                                   src/CoordCache.cpp    ['Point', 'CoordCache']
src/lyxlex.h                                       src/LyXLex.h    ['LyXLex', 'pushpophelper']
src/encoding.h                                     src/Encoding.h    ['Encoding', 'Encodings', 'const_iterator']
src/debug.h                                        src/debug.h    lyx_debug_trait
src/Chktex.h                                       src/Chktex.h    Chktex
src/output.C                                       src/output.cpp  NOCLASSES
src/output_latex.h                                 src/output_latex.h NOCLASSES
src/sgml.C                                         src/sgml.cpp  NOCLASSES
src/pspell.h                                       src/PSpell.h    PSpell
src/bufferlist.C                                   src/BufferList.cpp    BufferList
src/author.h                                       src/Author.h    ['Author', 'AuthorList']
src/Bidi.C                                         src/Bidi.cpp    Bidi
src/exporter.C                                     src/Exporter.cpp    ['Exporter', 'ExportedFile', 'ExportData']
src/Floating.h                                     src/Floating.h    Floating
src/lyxvc.h                                        src/LyXVC.h    LyXVC
src/intl.h                                         src/Intl.h    Intl
src/lyxlength.C                                    src/LyXLength.cpp    LyXLength
src/LyXAction.h                                    src/LyXAction.h    LyXAction
src/SpellBase.h                                    src/SpellBase.h    SpellBase
src/TextMetrics.h                                  src/TextMetrics.h    TextMetrics
src/LaTeXFeatures.h                                src/LaTeXFeatures.h    LaTeXFeatures
src/cursor.h                                       src/LCursor.h    LCursor
src/layout.h                                       src/layout.h NOCLASSES
src/DepTable.h                                     src/DepTable.h    ['DepTable', 'dep_info']
src/lyx_cb.h                                       src/lyx_cb.h NOCLASSES
src/vspace.h                                       src/VSpace.h    VSpace
src/PrinterParams.C                                src/PrinterParams.cpp    PrinterParams
src/tex-strings.C                                  src/tex-strings.cpp  NOCLASSES
src/Thesaurus.h                                    src/Thesaurus.h    Thesaurus
src/Spacing.h                                      src/Spacing.h    Spacing
src/BranchList.C                                   src/BranchList.cpp    ['Branch', 'BranchList', 'BranchNamesEqual']
src/trans.h                                        src/Trans.h    Trans
src/output_plaintext.h                             src/output_plaintext.h NOCLASSES
src/box.h                                          src/Box.h    Box
src/coordcache.h                                   src/CoordCache.h    ['Point', 'CoordCache']
src/graph.C                                        src/Graph.cpp    ['Graph', 'Vertex']
src/lyxserver.C                                    src/LyXServer.cpp    ['LyXComm', 'LyXServer']
src/undo.C                                         src/Undo.cpp    Undo
src/output.h                                       src/output.h NOCLASSES
src/text2.C                                        src/text2.cpp  NOCLASSES
src/ParagraphList_fwd.h                            src/ParagraphList_fwd.h NOCLASSES
src/sgml.h                                         src/sgml.h NOCLASSES
src/converter.C                                    src/Converter.cpp    ['Converter', 'Converters']
src/factory.C                                      src/factory.cpp  NOCLASSES
src/RowList_fwd.h                                  src/RowList_fwd.h NOCLASSES
src/buffer.C                                       src/Buffer.cpp    Buffer
src/bufferlist.h                                   src/BufferList.h    BufferList
src/CutAndPaste.C                                  src/CutAndPaste.cpp  NOCLASSES
src/Bidi.h                                         src/Bidi.h    Bidi
src/exporter.h                                     src/Exporter.h    ['Exporter', 'ExportedFile', 'ExportData']
src/InsetList.C                                    src/InsetList.cpp    ['InsetList', 'InsetTable']
src/FontIterator.C                                 src/FontIterator.cpp    FontIterator
src/session.C                                      src/Session.cpp    ['SessionSection', 'LastFilesSection', 'LastOpenedSection', 'LastFilePosSection', 'BookmarksSection', 'Bookmark', 'ToolbarSection', 'ToolbarInfo', 'SessionInfoSection', 'Session']
src/lyxlength.h                                    src/LyXLength.h    LyXLength
src/main.C                                         src/main.cpp    LyXLength
src/lyxsocket.C                                    src/LyXServerSocket.cpp    ['LyXServerSocket', 'LyXDataSocket']
src/errorlist.C                                    src/ErrorList.cpp    ['ErrorItem', 'ErrorList']
src/lyxtext.h                                      src/LyXText.h    LyXText
src/lyxfunc.C                                      src/LyXFunc.cpp    LyXFunc
src/format.C                                       src/Format.cpp    ['Format', 'Formats']
src/lengthcommon.C                                 src/lengthcommon.cpp  NOCLASSES
src/tex-strings.h                                  src/tex-strings.h NOCLASSES
src/PrinterParams.h                                src/PrinterParams.h    PrinterParams
src/insetiterator.C                                src/InsetIterator.cpp    InsetIterator
src/vc-backend.C                                   src/VCBackend.cpp    ['VCS', 'RCS', 'CVS']
src/TocBackend.C                                   src/TocBackend.cpp    ['TocItem', 'TocList', 'TocBackend']
src/BranchList.h                                   src/BranchList.h    ['Branch', 'BranchList', 'BranchNamesEqual']
src/FuncStatus.C                                   src/FuncStatus.cpp    FuncStatus
src/Sectioning.C                                   src/Section.cpp    ['Section', 'SectioningList']
src/counters.C                                     src/Counters.cpp    ['Counter', 'Counters']
src/graph.h                                        src/Graph.h    ['Graph', 'Vertex']
src/lyxserver.h                                    src/LyXServer.h    ['LyXComm', 'LyXServer']
src/undo.h                                         src/Undo.h    Undo
src/paper.h                                        src/paper.h NOCLASSES
src/converter.h                                    src/Converter.h    ['Converter', 'Converters']
src/factory.h                                      src/factory.h NOCLASSES
src/LaTeX.C                                        src/LaTeX.cpp    ['TeXErrors', 'Error', 'Aux_Info', 'LaTeX']
src/bufferparams.C                                 src/BufferParams.cpp    ['BufferParams', 'MemoryTraits']
src/buffer.h                                       src/Buffer.h    Buffer
src/CutAndPaste.h                                  src/CutAndPaste.h NOCLASSES
src/InsetList.h                                    src/InsetList.h    ['InsetList', 'InsetTable']
src/kbsequence.C                                   src/kb_sequence.cpp    kb_sequence
src/FontIterator.h                                 src/FontIterator.h    FontIterator
src/dimension.C                                    src/Dimension.cpp    Dimension
src/Bullet.C                                       src/Bullet.cpp    Bullet
src/texrow.C                                       src/TexRow.cpp    ['TexRow', 'RowItem']
src/session.h                                      src/Session.h    ['SessionSection', 'LastFilesSection', 'LastOpenedSection', 'LastFilePosSection', 'BookmarksSection', 'Bookmark', 'ToolbarSection', 'ToolbarInfo', 'SessionInfoSection', 'Session']
src/ParagraphParameters.C                          src/ParagraphParameters.cpp    ParagraphParameters
src/lyxsocket.h                                    src/LyXServerSocket.h    ['LyXServerSocket', 'LyXDataSocket']
src/errorlist.h                                    src/ErrorList.h    ['ErrorItem', 'ErrorList']
src/tabular.C                                      src/LyXTabular.cpp    ['LyXTabular', 'ltType', 'cellstruct', 'rowstruct', 'columnstruct']
src/pariterator.C                                  src/ParIterator.cpp    ['ParIterator', 'ParConstIterator']
src/lyxfunc.h                                      src/LyXFunc.h    LyXFunc
src/format.h                                       src/Format.h    ['Format', 'Formats']
src/aspell_local.h                                 src/ASpell_local.h    ASpell
src/lengthcommon.h                                 src/lengthcommon.h NOCLASSES
src/insetiterator.h                                src/InsetIterator.h    InsetIterator
src/lyxrc.C                                        src/LyXRC.cpp    ['LyXRC', 'LyXRC_PreviewStatus']
src/TocBackend.h                                   src/TocBackend.h    ['TocItem', 'TocList', 'TocBackend']
src/vc-backend.h                                   src/VCBackend.h    ['VCS', 'RCS', 'CVS']
src/dispatchresult.h                               src/DispatchResult.h    DispatchResult
src/lyxtextclasslist.C                             src/LyXTextClassList.cpp    LyXTextClassList
src/paragraph_funcs.C                              src/paragraph_funcs.cpp  NOCLASSES
src/funcrequest.C                                  src/FuncRequest.cpp    FuncRequest
src/FuncStatus.h                                   src/FuncStatus.h    FuncStatus
src/UpdateFlags.h                                  src/UpdateFlags.h NOCLASSES
src/lyxrow.C                                       src/Row.cpp    ['Row', 'RowMetrics']
src/outputparams.C                                 src/OutputParams.cpp    OutputParams
src/counters.h                                     src/Counters.h    ['Counter', 'Counters']
src/Sectioning.h                                   src/Section.h    ['Section', 'SectioningList']
src/text3.C                                        src/text3.cpp    ['Section', 'SectioningList']
src/lyxlayout.C                                    src/LyXLayout.cpp    LyXLayout
src/lyxfind.C                                      src/lyxfind.cpp  NOCLASSES
src/bufferparams.h                                 src/BufferParams.h    ['BufferParams', 'MemoryTraits']
src/LaTeX.h                                        src/LaTeX.h    ['TeXErrors', 'Error', 'Aux_Info', 'LaTeX']
src/trans_decl.h                                   src/KmodInfo.h    KmodInfo
src/gettext.C                                      src/gettext.cpp  NOCLASSES
src/dimension.h                                    src/Dimension.h    Dimension
src/kbmap.C                                        src/kb_keymap.cpp    kb_keymap
src/kbsequence.h                                   src/kb_sequence.h    kb_sequence
src/rowpainter.C                                   src/rowpainter.cpp  NOCLASSES
src/ConverterCache.C                               src/ConverterCache.cpp    ConverterCache
src/lyxgluelength.C                                src/LyXGlueLength.cpp    LyXGlueLength
src/tex-accent.C                                   src/tex-accent.cpp  NOCLASSES
src/Bullet.h                                       src/Bullet.h    Bullet
src/texrow.h                                       src/TexRow.h    ['TexRow', 'RowItem']
src/ParagraphParameters.h                          src/ParagraphParameters.h    ParagraphParameters
src/tabular.h                                      src/LyXTabular.h    ['LyXTabular', 'ltType', 'cellstruct', 'rowstruct', 'columnstruct']
src/importer.C                                     src/Importer.cpp    Importer
src/pariterator.h                                  src/ParIterator.h    ['ParIterator', 'ParConstIterator']
src/lyxfont.C                                      src/LyXFont.cpp    ['LyXFont', 'LyXFont_size']
src/BufferView.C                                   src/BufferView.cpp    BufferView
src/ParagraphList.h                                src/ParagraphList.h NOCLASSES
src/lyxrc.h                                        src/LyXRC.h    ['LyXRC', 'LyXRC_PreviewStatus']
src/lyxtextclass.C                                 src/LyXTextClass.cpp    ['CharStyle', 'LyXTextClass']
src/changes.C                                      src/Changes.cpp    ['Change', 'Changes', 'Range', 'ChangeRange']
src/lyxtextclasslist.h                             src/LyXTextClassList.h    LyXTextClassList
src/paragraph_funcs.h                              src/paragraph_funcs.h NOCLASSES
src/funcrequest.h                                  src/FuncRequest.h    FuncRequest
src/lyxrow.h                                       src/Row.h    ['Row', 'RowMetrics']
src/outputparams.h                                 src/OutputParams.h    OutputParams
src/MenuBackend.C                                  src/MenuBackend.cpp    ['MenuItem', 'Menu', 'MenuBackend']
src/lyxlayout.h                                    src/LyXLayout.h    LyXLayout
src/lyxfind.h                                      src/lyxfind.h NOCLASSES
src/gettext.h                                      src/gettext.h NOCLASSES
src/LColor.C                                       src/LColor.cpp    ['LColor', 'LColor_color']
src/version.h                                      src/version.h NOCLASSES
src/cursor_slice.C                                 src/CursorSlice.cpp    CursorSlice
src/WordLangTuple.h                                src/WordLangTuple.h    WordLangTuple
src/lfuns.h                                        src/lfuns.h NOCLASSES
src/trans_mgr.C                                    src/TransState.cpp    ['TransState', 'TransFSMData', 'TransInitState', 'TransDeadkeyState', 'TransCombinedState', 'TransFSM', 'TransManager']
src/kbmap.h                                        src/kb_keymap.h    kb_keymap
src/rowpainter.h                                   src/rowpainter.h NOCLASSES
src/ConverterCache.h                               src/ConverterCache.h    ConverterCache
src/lyxgluelength.h                                src/LyXGlueLength.h    LyXGlueLength
src/output_docbook.C                               src/output_docbook.cpp  NOCLASSES
src/tex-accent.h                                   src/tex-accent.h NOCLASSES
src/FloatList.C                                    src/FloatList.cpp    FloatList
src/bufferview_funcs.C                             src/bufferview_funcs.cpp  NOCLASSES
src/importer.h                                     src/Importer.h    Importer
src/messages.C                                     src/Messages.cpp    Messages
src/lyxfont.h                                      src/LyXFont.h    ['LyXFont', 'LyXFont_size']
src/BufferView.h                                   src/BufferView.h    BufferView
src/ToolbarBackend.C                               src/ToolbarBackend.cpp    ['ToolbarItem', 'ToolbarInfo', 'ToolbarBackend']
src/lyx_sty.C                                      src/lyx_sty.cpp  NOCLASSES
src/lyxtextclass.h                                 src/LyXTextClass.h    ['CharStyle', 'LyXTextClass']
src/changes.h                                      src/Changes.h    ['Change', 'Changes', 'Range', 'ChangeRange']
src/aspell.C                                       src/ASpell.cpp
src/lyx_main.C                                     src/LyX.cpp    LyX
src/MenuBackend.h                                  src/MenuBackend.h    ['MenuItem', 'Menu', 'MenuBackend']
src/toc.C                                          src/toc.cpp  NOCLASSES
src/boost.C                                        src/boost.cpp  NOCLASSES
src/ispell.C                                       src/ISpell.cpp    ISpell
src/mover.C                                        src/Mover.cpp    ['Mover', 'SpecialisedMover', 'Movers']
src/ParagraphMetrics.C                             src/ParagraphMetrics.cpp    ParagraphMetrics
src/LColor.h                                       src/LColor.h    ['LColor', 'LColor_color']
src/cursor_slice.h                                 src/CursorSlice.h    CursorSlice
src/trans_mgr.h                                    src/TransState.h    ['TransState', 'TransFSMData', 'TransInitState', 'TransDeadkeyState', 'TransCombinedState', 'TransFSM', 'TransManager']
src/lyxlayout_ptr_fwd.h                            src/lyxlayout_ptr_fwd.h NOCLASSES
src/output_docbook.h                               src/output_docbook.h NOCLASSES
src/paragraph.C                                    src/Paragraph.cpp    ['FontSpan', 'Paragraph']
src/FloatList.h                                    src/FloatList.h    FloatList
src/bufferview_funcs.h                             src/bufferview_funcs.h NOCLASSES
src/buffer_funcs.C                                 src/buffer_funcs.cpp  NOCLASSES
src/Variables.C                                    src/Variables.cpp    Variables
src/messages.h                                     src/Messages.h    Messages
src/Color.C                                        src/color.cpp  NOCLASSES
src/dociterator.C                                  src/DocIterator.cpp    ['DocIterator', 'StableDocIterator']
src/ToolbarBackend.h                               src/ToolbarBackend.h    ['ToolbarItem', 'ToolbarInfo', 'ToolbarBackend']
src/lyx_sty.h                                      src/lyx_sty.h NOCLASSES
src/metricsinfo.C                                  src/MetricsInfo.cpp    ['MetricsBase', 'MetricsInfo', 'PainterInfo', 'TextMetricsInfo', 'ViewMetricsInfo', 'Changer', 'FontChanger', 'FontSetChanger', 'StyleChanger', 'ScriptChanger', 'FracChanger', 'ArrayChanger', 'ShapeChanger', 'WidthChanger', 'ColorChanger']
src/language.C                                     src/Language.cpp    ['Language', 'Languages']
src/text.C                                         src/text.cpp    ['Language', 'Languages']
src/lyx_main.h                                     src/LyX.h    LyX
src/lyxlex.C                                       src/LyXLex.cpp    ['LyXLex', 'pushpophelper']
src/encoding.C                                     src/Encoding.cpp    ['Encoding', 'Encodings', 'const_iterator']
src/debug.C                                        src/debug.cpp    lyx_debug_trait
src/Chktex.C                                       src/Chktex.cpp    Chktex
src/toc.h                                          src/toc.h NOCLASSES
src/ispell.h                                       src/ISpell.h    ISpell
src/mover.h                                        src/Mover.h    ['Mover', 'SpecialisedMover', 'Movers']
src/output_latex.C                                 src/output_latex.cpp  NOCLASSES



git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@18019 a592a061-630c-0410-9148-cb99ea01b6c8
2007-04-26 04:46:45 +00:00

591 lines
12 KiB
C++

/**
* \file DocIterator.cpp
* This file is part of LyX, the document processor.
* Licence details can be found in the file COPYING.
*
* \author André Pönitz
*
* Full author contact details are available in file CREDITS.
*/
#include <config.h>
#include "DocIterator.h"
#include "debug.h"
#include "LyXText.h"
#include "Paragraph.h"
#include "mathed/MathArray.h"
#include "mathed/InsetMath.h"
#include "insets/InsetTabular.h"
#include <boost/assert.hpp>
#include <boost/current_function.hpp>
namespace lyx {
using std::endl;
// We could be able to get rid of this if only every BufferView were
// associated to a buffer on construction.
DocIterator::DocIterator()
: boundary_(false), inset_(0)
{}
DocIterator::DocIterator(InsetBase & inset)
: boundary_(false), inset_(&inset)
{}
DocIterator doc_iterator_begin(InsetBase & inset)
{
DocIterator dit(inset);
dit.forwardPos();
return dit;
}
DocIterator doc_iterator_end(InsetBase & inset)
{
return DocIterator(inset);
}
InsetBase * DocIterator::nextInset()
{
BOOST_ASSERT(!empty());
if (pos() == lastpos())
return 0;
if (pos() > lastpos()) {
lyxerr << "Should not happen, but it does. " << endl;
return 0;
}
if (inMathed())
return nextAtom().nucleus();
return paragraph().isInset(pos()) ? paragraph().getInset(pos()) : 0;
}
InsetBase * DocIterator::prevInset()
{
BOOST_ASSERT(!empty());
if (pos() == 0)
return 0;
if (inMathed())
if (cell().empty())
// FIXME: this should not happen but it does.
// See bug 3189
// http://bugzilla.lyx.org/show_bug.cgi?id=3189
return 0;
else
return prevAtom().nucleus();
return paragraph().isInset(pos() - 1) ? paragraph().getInset(pos() - 1) : 0;
}
InsetBase const * DocIterator::prevInset() const
{
BOOST_ASSERT(!empty());
if (pos() == 0)
return 0;
if (inMathed())
if (cell().empty())
// FIXME: this should not happen but it does.
// See bug 3189
// http://bugzilla.lyx.org/show_bug.cgi?id=3189
return 0;
else
return prevAtom().nucleus();
return paragraph().isInset(pos() - 1) ? paragraph().getInset(pos() - 1) : 0;
}
InsetBase * DocIterator::realInset() const
{
BOOST_ASSERT(inTexted());
// if we are in a tabular, we need the cell
if (inset().lyxCode() == InsetBase::TABULAR_CODE) {
InsetTabular & tabular = static_cast<InsetTabular&>(inset());
return tabular.cell(idx()).get();
}
return &inset();
}
MathAtom const & DocIterator::prevAtom() const
{
BOOST_ASSERT(!empty());
BOOST_ASSERT(pos() > 0);
return cell()[pos() - 1];
}
MathAtom & DocIterator::prevAtom()
{
BOOST_ASSERT(!empty());
BOOST_ASSERT(pos() > 0);
return cell()[pos() - 1];
}
MathAtom const & DocIterator::nextAtom() const
{
BOOST_ASSERT(!empty());
//lyxerr << "lastpos: " << lastpos() << " next atom:\n" << *this << endl;
BOOST_ASSERT(pos() < lastpos());
return cell()[pos()];
}
MathAtom & DocIterator::nextAtom()
{
BOOST_ASSERT(!empty());
//lyxerr << "lastpos: " << lastpos() << " next atom:\n" << *this << endl;
BOOST_ASSERT(pos() < lastpos());
return cell()[pos()];
}
LyXText * DocIterator::text()
{
BOOST_ASSERT(!empty());
return top().text();
}
LyXText const * DocIterator::text() const
{
BOOST_ASSERT(!empty());
return top().text();
}
Paragraph & DocIterator::paragraph()
{
if (!inTexted())
lyxerr << *this << endl;
BOOST_ASSERT(inTexted());
return top().paragraph();
}
Paragraph const & DocIterator::paragraph() const
{
BOOST_ASSERT(inTexted());
return top().paragraph();
}
pit_type DocIterator::lastpit() const
{
return inMathed() ? 0 : text()->paragraphs().size() - 1;
}
pos_type DocIterator::lastpos() const
{
return inMathed() ? cell().size() : paragraph().size();
}
DocIterator::idx_type DocIterator::lastidx() const
{
return top().lastidx();
}
size_t DocIterator::nargs() const
{
// assume 1x1 grid for main text
return top().nargs();
}
size_t DocIterator::ncols() const
{
// assume 1x1 grid for main text
return top().ncols();
}
size_t DocIterator::nrows() const
{
// assume 1x1 grid for main text
return top().nrows();
}
DocIterator::row_type DocIterator::row() const
{
return top().row();
}
DocIterator::col_type DocIterator::col() const
{
return top().col();
}
MathArray const & DocIterator::cell() const
{
// BOOST_ASSERT(inMathed());
return top().cell();
}
MathArray & DocIterator::cell()
{
// BOOST_ASSERT(inMathed());
return top().cell();
}
LyXText * DocIterator::innerText()
{
BOOST_ASSERT(!empty());
// Go up until first non-0 text is hit
// (innermost text is 0 in mathed)
for (int i = depth() - 1; i >= 0; --i)
if (slices_[i].text())
return slices_[i].text();
return 0;
}
LyXText const * DocIterator::innerText() const
{
BOOST_ASSERT(!empty());
// go up until first non-0 text is hit
// (innermost text is 0 in mathed)
for (int i = depth() - 1; i >= 0; --i)
if (slices_[i].text())
return slices_[i].text();
return 0;
}
InsetBase * DocIterator::innerInsetOfType(int code) const
{
for (int i = depth() - 1; i >= 0; --i)
if (slices_[i].inset_->lyxCode() == code)
return slices_[i].inset_;
return 0;
}
void DocIterator::forwardPos(bool ignorecollapsed)
{
//this dog bites his tail
if (empty()) {
push_back(CursorSlice(*inset_));
return;
}
InsetBase * const nextinset = nextInset();
// jump over collapsables if they are collapsed
// FIXME: the check for asInsetMath() shouldn't be necessary
// but math insets do not return a sensible editable() state yet.
if (ignorecollapsed && nextinset && (!nextinset->asInsetMath()
&& nextinset->editable() != InsetBase::HIGHLY_EDITABLE)) {
++top().pos();
return;
}
CursorSlice & tip = top();
//lyxerr << "XXX\n" << *this << endl;
// this is used twice and shows up in the profiler!
pos_type const lastp = lastpos();
// move into an inset to the right if possible
InsetBase * n = 0;
if (tip.pos() != lastp) {
// this is impossible for pos() == size()
if (inMathed()) {
n = (tip.cell().begin() + tip.pos())->nucleus();
} else {
if (paragraph().isInset(tip.pos()))
n = paragraph().getInset(tip.pos());
}
}
if (n && n->isActive()) {
//lyxerr << "... descend" << endl;
push_back(CursorSlice(*n));
return;
}
// otherwise move on one position if possible
if (tip.pos() < lastp) {
//lyxerr << "... next pos" << endl;
++tip.pos();
return;
}
//lyxerr << "... no next pos" << endl;
// otherwise move on one paragraph if possible
if (tip.pit() < lastpit()) {
//lyxerr << "... next par" << endl;
++tip.pit();
tip.pos() = 0;
return;
}
//lyxerr << "... no next pit" << endl;
// otherwise try to move on one cell if possible
if (tip.idx() < lastidx()) {
//lyxerr << "... next idx" << endl;
++tip.idx();
tip.pit() = 0;
tip.pos() = 0;
return;
}
//lyxerr << "... no next idx" << endl;
// otherwise leave inset and jump over inset as a whole
pop_back();
// 'top' is invalid now...
if (!empty())
++top().pos();
}
void DocIterator::forwardPosNoDescend()
{
CursorSlice & tip = top();
pos_type const lastp = lastpos();
// move on one position if possible
if (tip.pos() < lastp) {
//lyxerr << "... next pos" << endl;
++tip.pos();
return;
}
//lyxerr << "... no next pos" << endl;
// otherwise move on one paragraph if possible
if (tip.pit() < lastpit()) {
//lyxerr << "... next par" << endl;
++tip.pit();
tip.pos() = 0;
return;
}
//lyxerr << "... no next pit" << endl;
// otherwise try to move on one cell if possible
if (tip.idx() < lastidx()) {
//lyxerr << "... next idx" << endl;
++tip.idx();
tip.pit() = 0;
tip.pos() = 0;
return;
}
//lyxerr << "... no next idx" << endl;
// otherwise leave inset and jump over inset as a whole
pop_back();
// 'top' is invalid now...
if (!empty())
++top().pos();
}
void DocIterator::forwardPar()
{
forwardPos();
while (!empty() && (!inTexted() || pos() != 0)) {
if (inTexted()) {
pos_type const lastp = lastpos();
Paragraph const & par = paragraph();
pos_type & pos = top().pos();
if (par.insetlist.empty())
pos = lastp;
else
while (pos < lastp && !par.isInset(pos))
++pos;
}
forwardPos();
}
}
void DocIterator::forwardChar()
{
forwardPos();
while (!empty() && pos() == lastpos())
forwardPos();
}
void DocIterator::forwardInset()
{
forwardPos();
while (!empty() && !nextInset()) {
if (inTexted()) {
pos_type const lastp = lastpos();
Paragraph const & par = paragraph();
pos_type & pos = top().pos();
while (pos < lastp && !par.isInset(pos))
++pos;
if (pos < lastp)
break;
}
forwardPos();
}
}
void DocIterator::backwardChar()
{
backwardPos();
while (!empty() && pos() == lastpos())
backwardPos();
}
void DocIterator::backwardPos()
{
//this dog bites his tail
if (empty()) {
push_back(CursorSlice(*inset_));
top().idx() = lastidx();
top().pit() = lastpit();
top().pos() = lastpos();
return;
}
CursorSlice & tip = top();
if (tip.pos() != 0) {
--tip.pos();
} else if (tip.pit() != 0) {
--tip.pit();
tip.pos() = lastpos();
return;
} else if (tip.idx() != 0) {
--tip.idx();
tip.pit() = lastpit();
tip.pos() = lastpos();
return;
} else {
pop_back();
return;
}
// move into an inset to the left if possible
InsetBase * n = 0;
if (inMathed()) {
n = (tip.cell().begin() + tip.pos())->nucleus();
} else {
if (paragraph().isInset(tip.pos()))
n = paragraph().getInset(tip.pos());
}
if (n && n->isActive()) {
push_back(CursorSlice(*n));
top().idx() = lastidx();
top().pit() = lastpit();
top().pos() = lastpos();
}
}
bool DocIterator::hasPart(DocIterator const & it) const
{
// it can't be a part if it is larger
if (it.depth() > depth())
return false;
// as inset adresses are the 'last' level
return &it.top().inset() == &slices_[it.depth() - 1].inset();
}
void DocIterator::updateInsets(InsetBase * inset)
{
// this function re-creates the cache of inset pointers.
// code taken in part from StableDocIterator::asDocIterator.
//lyxerr << "converting:\n" << *this << endl;
DocIterator dit = DocIterator(*inset);
size_t const n = slices_.size();
for (size_t i = 0 ; i < n; ++i) {
BOOST_ASSERT(inset);
dit.push_back(slices_[i]);
dit.top().inset_ = inset;
if (i + 1 != n)
inset = dit.nextInset();
}
//lyxerr << "converted:\n" << *this << endl;
operator=(dit);
}
std::ostream & operator<<(std::ostream & os, DocIterator const & dit)
{
for (size_t i = 0, n = dit.depth(); i != n; ++i)
os << " " << dit[i] << "\n";
return os;
}
///////////////////////////////////////////////////////
StableDocIterator::StableDocIterator(DocIterator const & dit)
{
data_ = dit.internalData();
for (size_t i = 0, n = data_.size(); i != n; ++i)
data_[i].inset_ = 0;
}
DocIterator StableDocIterator::asDocIterator(InsetBase * inset) const
{
// this function re-creates the cache of inset pointers
//lyxerr << "converting:\n" << *this << endl;
DocIterator dit = DocIterator(*inset);
for (size_t i = 0, n = data_.size(); i != n; ++i) {
if (inset == 0) {
// FIXME
lyxerr << BOOST_CURRENT_FUNCTION
<< " Should not happen, but does e.g. after C-n C-l C-z S-C-z"
<< '\n' << "dit: " << dit << '\n'
<< " lastpos: " << dit.lastpos() << endl;
//break;
BOOST_ASSERT(false);
}
dit.push_back(data_[i]);
dit.top().inset_ = inset;
if (i + 1 != n)
inset = dit.nextInset();
}
//lyxerr << "convert:\n" << *this << " to:\n" << dit << endl;
return dit;
}
std::ostream & operator<<(std::ostream & os, StableDocIterator const & dit)
{
for (size_t i = 0, n = dit.data_.size(); i != n; ++i)
os << " " << dit.data_[i] << "\n";
return os;
}
bool operator==(StableDocIterator const & dit1, StableDocIterator const & dit2)
{
return dit1.data_ == dit2.data_;
}
} // namespace lyx