*
* \author Lars Gullik Bjønnes
*
- * Full author contact details are available in file CREDITS
+ * Full author contact details are available in file CREDITS.
*/
#include <config.h>
#include "paragraph_funcs.h"
+
#include "buffer.h"
-#include "ParagraphParameters.h"
-#include "lyxtextclasslist.h"
+#include "bufferparams.h"
+
#include "debug.h"
+#include "encoding.h"
+#include "errorlist.h"
+#include "factory.h"
+#include "gettext.h"
+#include "iterators.h"
+#include "language.h"
+#include "lyxlex.h"
+#include "lyxrc.h"
+#include "outputparams.h"
+#include "paragraph_pimpl.h"
+#include "sgml.h"
+#include "texrow.h"
+#include "vspace.h"
+
+#include "insets/insetbibitem.h"
+#include "insets/insethfill.h"
+#include "insets/insetlatexaccent.h"
+#include "insets/insetline.h"
+#include "insets/insetnewline.h"
+#include "insets/insetpagebreak.h"
+#include "insets/insetoptarg.h"
+#include "insets/insetspace.h"
+#include "insets/insetspecialchar.h"
+#include "insets/insettabular.h"
+
+#include "support/filetools.h"
+#include "support/lstrings.h"
+#include "support/lyxlib.h"
+#include "support/std_sstream.h"
+
+#include <vector>
using lyx::pos_type;
-//using lyx::layout_type;
+
+using lyx::support::ascii_lowercase;
+using lyx::support::atoi;
+using lyx::support::bformat;
+using lyx::support::compare_ascii_no_case;
+using lyx::support::compare_no_case;
+using lyx::support::contains;
+using lyx::support::split;
+using lyx::support::subst;
+
+using std::auto_ptr;
using std::endl;
+using std::string;
+using std::vector;
+using std::istringstream;
+using std::ostream;
+using std::pair;
+
+
+namespace {
+
+bool moveItem(Paragraph & from, Paragraph & to,
+ BufferParams const & params, pos_type i, pos_type j)
+{
+ char const tmpchar = from.getChar(i);
+ LyXFont tmpfont = from.getFontSettings(params, i);
+
+ if (tmpchar == Paragraph::META_INSET) {
+ InsetBase * tmpinset = 0;
+ if (from.getInset(i)) {
+ // the inset is not in a paragraph anymore
+ tmpinset = from.insetlist.release(i);
+ }
+
+ if (!to.insetAllowed(tmpinset->lyxCode()))
+ return false;
+ to.insertInset(j, tmpinset, tmpfont);
+ } else {
+ if (!to.checkInsertChar(tmpfont))
+ return false;
+ to.insertChar(j, tmpchar, tmpfont);
+ }
+ return true;
+}
+
+}
void breakParagraph(BufferParams const & bparams,
- Paragraph * par,
+ ParagraphList & paragraphs,
+ ParagraphList::iterator par,
pos_type pos,
int flag)
{
- // create a new paragraph
- Paragraph * tmp = new Paragraph(par);
+ // create a new paragraph, and insert into the list
+ ParagraphList::iterator tmp = paragraphs.insert(boost::next(par),
+ Paragraph());
+
// without doing that we get a crash when typing <Return> at the
// end of a paragraph
tmp->layout(bparams.getLyXTextClass().defaultLayout());
// remember to set the inset_owner
tmp->setInsetOwner(par->inInset());
+ if (bparams.tracking_changes)
+ tmp->trackChanges();
+
// this is an idea for a more userfriendly layout handling, I will
// see what the users say
tmp->setLabelWidthString(par->params().labelWidthString());
}
- bool const isempty = (par->layout()->keepempty && par->empty());
+ bool const isempty = (par->allowEmpty() && par->empty());
if (!isempty && (par->size() > pos || par->empty() || flag == 2)) {
tmp->layout(par->layout());
tmp->params().align(par->params().align());
tmp->setLabelWidthString(par->params().labelWidthString());
- tmp->params().lineBottom(par->params().lineBottom());
- par->params().lineBottom(false);
- tmp->params().pagebreakBottom(par->params().pagebreakBottom());
- par->params().pagebreakBottom(false);
- tmp->params().spaceBottom(par->params().spaceBottom());
- par->params().spaceBottom(VSpace(VSpace::NONE));
-
tmp->params().depth(par->params().depth());
tmp->params().noindent(par->params().noindent());
pos_type pos_end = par->size() - 1;
pos_type i = pos;
pos_type j = pos;
+
for (; i <= pos_end; ++i) {
- par->cutIntoMinibuffer(bparams, i);
- if (tmp->insertFromMinibuffer(j - pos))
+ Change::Type change = par->lookupChange(i);
+ if (moveItem(*par, *tmp, bparams, i, j - pos)) {
+ tmp->setChange(j - pos, change);
++j;
+ }
}
- for (i = pos_end; i >= pos; --i) {
- par->erase(i);
- }
+
+ for (i = pos_end; i >= pos; --i)
+ par->eraseIntern(i);
}
if (pos)
return;
- tmp->params().lineTop(par->params().lineTop());
- tmp->params().pagebreakTop(par->params().pagebreakTop());
- tmp->params().spaceTop(par->params().spaceTop());
- tmp->bibkey = par->bibkey;
-
- par->bibkey = 0;
par->params().clear();
par->layout(bparams.getLyXTextClass().defaultLayout());
par->setLabelWidthString(tmp->params().labelWidthString());
par->params().depth(tmp->params().depth());
}
+
+ // subtle, but needed to get empty pars working right
+ if (bparams.tracking_changes) {
+ if (!par->size()) {
+ par->cleanChanges();
+ } else if (!tmp->size()) {
+ tmp->cleanChanges();
+ }
+ }
}
void breakParagraphConservative(BufferParams const & bparams,
- Paragraph * par,
+ ParagraphList & paragraphs,
+ ParagraphList::iterator par,
pos_type pos)
{
// create a new paragraph
- Paragraph * tmp = new Paragraph(par);
- tmp->makeSameLayout(par);
+ ParagraphList::iterator tmp = paragraphs.insert(boost::next(par),
+ Paragraph());
+ tmp->makeSameLayout(*par);
- // When can pos > Last()?
- // I guess pos == Last() is possible.
+ // When can pos > size()?
+ // I guess pos == size() is possible.
if (par->size() > pos) {
// copy everything behind the break-position to the new
// paragraph
pos_type pos_end = par->size() - 1;
- for (pos_type i = pos, j = pos; i <= pos_end; ++i) {
- par->cutIntoMinibuffer(bparams, i);
- if (tmp->insertFromMinibuffer(j - pos))
+ for (pos_type i = pos, j = pos; i <= pos_end; ++i)
+ if (moveItem(*par, *tmp, bparams, i, j - pos))
++j;
- }
- for (pos_type k = pos_end; k >= pos; --k) {
+ for (pos_type k = pos_end; k >= pos; --k)
par->erase(k);
- }
}
}
-void mergeParagraph(BufferParams const & bparams, Paragraph * par)
+void mergeParagraph(BufferParams const & bparams,
+ ParagraphList & paragraphs,
+ ParagraphList::iterator par)
{
- Paragraph * the_next = par->next();
-
- // first the DTP-stuff
- par->params().lineBottom(the_next->params().lineBottom());
- par->params().spaceBottom(the_next->params().spaceBottom());
- par->params().pagebreakBottom(the_next->params().pagebreakBottom());
+ ParagraphList::iterator the_next = boost::next(par);
pos_type pos_end = the_next->size() - 1;
pos_type pos_insert = par->size();
// ok, now copy the paragraph
- for (pos_type i = 0, j = 0; i <= pos_end; ++i) {
- the_next->cutIntoMinibuffer(bparams, i);
- if (par->insertFromMinibuffer(pos_insert + j))
+ for (pos_type i = 0, j = 0; i <= pos_end; ++i)
+ if (moveItem(*the_next, *par, bparams, i, pos_insert + j))
++j;
- }
- // delete the next paragraph
- Paragraph * ppar = the_next->previous();
- Paragraph * npar = the_next->next();
- delete the_next;
- ppar->next(npar);
+ paragraphs.erase(the_next);
}
-#if 0
-Paragraph * depthHook(Paragraph * par, Paragraph::depth_type depth)
+ParagraphList::iterator depthHook(ParagraphList::iterator pit,
+ ParagraphList const & plist,
+ Paragraph::depth_type depth)
{
- Paragraph * newpar = par;
+ ParagraphList::iterator newpit = pit;
+ ParagraphList::iterator beg = const_cast<ParagraphList&>(plist).begin();
- do {
- newpar = newpar->previous();
- } while (newpar && newpar->getDepth() > depth);
+ if (newpit != beg)
+ --newpit;
- if (!newpar) {
- if (par->previous() || par->getDepth())
- lyxerr << "Error (depthHook): "
- << "no hook." << endl;
- newpar = par;
+ while (newpit != beg && newpit->getDepth() > depth) {
+ --newpit;
}
- return newpar;
+
+ if (newpit->getDepth() > depth)
+ return pit;
+
+ return newpit;
}
-Paragraph * outerHook(Paragraph * par)
+ParagraphList::iterator outerHook(ParagraphList::iterator pit,
+ ParagraphList const & plist)
{
- if (!par->getDepth())
- return 0;
- return depthHook(par, Paragraph::depth_type(par->getDepth() - 1));
+ if (!pit->getDepth())
+ return const_cast<ParagraphList&>(plist).end();
+ return depthHook(pit, plist,
+ Paragraph::depth_type(pit->getDepth() - 1));
}
-bool isFirstInSequence(Paragraph * par)
+bool isFirstInSequence(ParagraphList::iterator pit,
+ ParagraphList const & plist)
{
- Paragraph const * dhook = depthHook(par, par->getDepth());
- return (dhook == par
- || dhook->getLayout() != par->getLayout()
- || dhook->getDepth() != par->getDepth());
+ ParagraphList::iterator dhook = depthHook(pit, plist, pit->getDepth());
+ return (dhook == pit
+ || dhook->layout() != pit->layout()
+ || dhook->getDepth() != pit->getDepth());
}
-int getEndLabel(Paragraph * para, BufferParams const & bparams)
+int getEndLabel(ParagraphList::iterator p, ParagraphList const & plist)
{
- Paragraph * par = para;
- while (par) {
- Paragraph::depth_type par_depth = par->getDepth();
- layout_type layout = par->getLayout();
- int const endlabeltype =
- textclasslist.Style(bparams.textclass,
- layout).endlabeltype;
+ ParagraphList::iterator pit = p;
+ Paragraph::depth_type par_depth = p->getDepth();
+ while (pit != const_cast<ParagraphList&>(plist).end()) {
+ LyXLayout_ptr const & layout = pit->layout();
+ int const endlabeltype = layout->endlabeltype;
+
if (endlabeltype != END_LABEL_NO_LABEL) {
- if (!para->next())
+ if (boost::next(p) == const_cast<ParagraphList&>(plist).end())
return endlabeltype;
- Paragraph::depth_type const next_depth =
- para->next()->getDepth();
+ Paragraph::depth_type const next_depth = boost::next(p)->getDepth();
if (par_depth > next_depth ||
- (par_depth == next_depth
- && layout != para->next()->getLayout()))
+ (par_depth == next_depth &&
+ layout != boost::next(p)->layout()))
return endlabeltype;
break;
}
if (par_depth == 0)
break;
- par = outerHook(par);
+ pit = outerHook(pit, plist);
+ if (pit != const_cast<ParagraphList&>(plist).end())
+ par_depth = pit->getDepth();
}
return END_LABEL_NO_LABEL;
}
-#endif
+
+
+namespace {
+
+int readParToken(Buffer const & buf, Paragraph & par, LyXLex & lex,
+ string const & token)
+{
+ static LyXFont font;
+ static Change change;
+
+ BufferParams const & bp = buf.params();
+
+ if (token[0] != '\\') {
+ string::const_iterator cit = token.begin();
+ for (; cit != token.end(); ++cit) {
+ par.insertChar(par.size(), (*cit), font, change);
+ }
+ } else if (token == "\\begin_layout") {
+ lex.eatLine();
+ string layoutname = lex.getString();
+
+ font = LyXFont(LyXFont::ALL_INHERIT, bp.language);
+ change = Change();
+
+ LyXTextClass const & tclass = bp.getLyXTextClass();
+
+ if (layoutname.empty()) {
+ layoutname = tclass.defaultLayoutName();
+ }
+
+ bool hasLayout = tclass.hasLayout(layoutname);
+
+ if (!hasLayout) {
+ lyxerr << "Layout '" << layoutname << "' does not"
+ << " exist in textclass '" << tclass.name()
+ << "'." << endl;
+ lyxerr << "Trying to use default layout instead."
+ << endl;
+ layoutname = tclass.defaultLayoutName();
+ }
+
+ par.layout(bp.getLyXTextClass()[layoutname]);
+
+ // Test whether the layout is obsolete.
+ LyXLayout_ptr const & layout = par.layout();
+ if (!layout->obsoleted_by().empty())
+ par.layout(bp.getLyXTextClass()[layout->obsoleted_by()]);
+
+ par.params().read(lex);
+
+ } else if (token == "\\end_layout") {
+ lyxerr << "Solitary \\end_layout in line " << lex.getLineNo() << "\n"
+ << "Missing \\begin_layout?.\n";
+ } else if (token == "\\end_inset") {
+ lyxerr << "Solitary \\end_inset in line " << lex.getLineNo() << "\n"
+ << "Missing \\begin_inset?.\n";
+ } else if (token == "\\begin_inset") {
+ InsetBase * inset = readInset(lex, buf);
+ if (inset)
+ par.insertInset(par.size(), inset, font, change);
+ else {
+ lex.eatLine();
+ string line = lex.getString();
+ buf.error(ErrorItem(_("Unknown Inset"), line,
+ par.id(), 0, par.size()));
+ return 1;
+ }
+ } else if (token == "\\family") {
+ lex.next();
+ font.setLyXFamily(lex.getString());
+ } else if (token == "\\series") {
+ lex.next();
+ font.setLyXSeries(lex.getString());
+ } else if (token == "\\shape") {
+ lex.next();
+ font.setLyXShape(lex.getString());
+ } else if (token == "\\size") {
+ lex.next();
+ font.setLyXSize(lex.getString());
+ } else if (token == "\\lang") {
+ lex.next();
+ string const tok = lex.getString();
+ Language const * lang = languages.getLanguage(tok);
+ if (lang) {
+ font.setLanguage(lang);
+ } else {
+ font.setLanguage(bp.language);
+ lex.printError("Unknown language `$$Token'");
+ }
+ } else if (token == "\\numeric") {
+ lex.next();
+ font.setNumber(font.setLyXMisc(lex.getString()));
+ } else if (token == "\\emph") {
+ lex.next();
+ font.setEmph(font.setLyXMisc(lex.getString()));
+ } else if (token == "\\bar") {
+ lex.next();
+ string const tok = lex.getString();
+
+ if (tok == "under")
+ font.setUnderbar(LyXFont::ON);
+ else if (tok == "no")
+ font.setUnderbar(LyXFont::OFF);
+ else if (tok == "default")
+ font.setUnderbar(LyXFont::INHERIT);
+ else
+ lex.printError("Unknown bar font flag "
+ "`$$Token'");
+ } else if (token == "\\noun") {
+ lex.next();
+ font.setNoun(font.setLyXMisc(lex.getString()));
+ } else if (token == "\\color") {
+ lex.next();
+ font.setLyXColor(lex.getString());
+ } else if (token == "\\InsetSpace" || token == "\\SpecialChar") {
+
+ // Insets don't make sense in a free-spacing context! ---Kayvan
+ if (par.isFreeSpacing()) {
+ if (token == "\\InsetSpace")
+ par.insertChar(par.size(), ' ', font, change);
+ else if (lex.isOK()) {
+ lex.next();
+ string const next_token = lex.getString();
+ if (next_token == "\\-")
+ par.insertChar(par.size(), '-', font, change);
+ else {
+ lex.printError("Token `$$Token' "
+ "is in free space "
+ "paragraph layout!");
+ }
+ }
+ } else {
+ auto_ptr<InsetBase> inset;
+ if (token == "\\SpecialChar" )
+ inset.reset(new InsetSpecialChar);
+ else
+ inset.reset(new InsetSpace);
+ inset->read(buf, lex);
+ par.insertInset(par.size(), inset.release(),
+ font, change);
+ }
+ } else if (token == "\\i") {
+ auto_ptr<InsetBase> inset(new InsetLatexAccent);
+ inset->read(buf, lex);
+ par.insertInset(par.size(), inset.release(), font, change);
+ } else if (token == "\\backslash") {
+ par.insertChar(par.size(), '\\', font, change);
+ } else if (token == "\\newline") {
+ auto_ptr<InsetBase> inset(new InsetNewline);
+ inset->read(buf, lex);
+ par.insertInset(par.size(), inset.release(), font, change);
+ } else if (token == "\\LyXTable") {
+ auto_ptr<InsetBase> inset(new InsetTabular(buf));
+ inset->read(buf, lex);
+ par.insertInset(par.size(), inset.release(), font, change);
+ } else if (token == "\\bibitem") {
+ InsetCommandParams p("bibitem", "dummy");
+ auto_ptr<InsetBibitem> inset(new InsetBibitem(p));
+ inset->read(buf, lex);
+ par.insertInset(par.size(), inset.release(), font, change);
+ } else if (token == "\\hfill") {
+ par.insertInset(par.size(), new InsetHFill, font, change);
+ } else if (token == "\\lyxline") {
+ par.insertInset(par.size(), new InsetLine, font, change);
+ } else if (token == "\\newpage") {
+ par.insertInset(par.size(), new InsetPagebreak, font, change);
+ } else if (token == "\\change_unchanged") {
+ // Hack ! Needed for empty paragraphs :/
+ // FIXME: is it still ??
+ if (!par.size())
+ par.cleanChanges();
+ change = Change(Change::UNCHANGED);
+ } else if (token == "\\change_inserted") {
+ lex.nextToken();
+ istringstream is(lex.getString());
+ int aid;
+ lyx::time_type ct;
+ is >> aid >> ct;
+ change = Change(Change::INSERTED, bp.author_map[aid], ct);
+ } else if (token == "\\change_deleted") {
+ lex.nextToken();
+ istringstream is(lex.getString());
+ int aid;
+ lyx::time_type ct;
+ is >> aid >> ct;
+ change = Change(Change::DELETED, bp.author_map[aid], ct);
+ } else {
+ lex.eatLine();
+ string const s = bformat(_("Unknown token: %1$s %2$s\n"),
+ token, lex.getString());
+
+ buf.error(ErrorItem(_("Unknown token"), s,
+ par.id(), 0, par.size()));
+ return 1;
+ }
+ return 0;
+}
+
+}
+
+
+int readParagraph(Buffer const & buf, Paragraph & par, LyXLex & lex)
+{
+ int unknown = 0;
+
+ lex.nextToken();
+ string token = lex.getString();
+
+ while (lex.isOK()) {
+
+ unknown += readParToken(buf, par, lex, token);
+
+ lex.nextToken();
+ token = lex.getString();
+
+ if (token.empty())
+ continue;
+
+ if (token == "\\end_layout") {
+ //Ok, paragraph finished
+ break;
+ }
+
+ lyxerr[Debug::PARSER] << "Handling paragraph token: `"
+ << token << '\'' << endl;
+ if (token == "\\begin_layout" || token == "\\end_document"
+ || token == "\\end_inset" || token == "\\begin_deeper"
+ || token == "\\end_deeper") {
+ lex.pushToken(token);
+ lyxerr << "Paragraph ended in line "
+ << lex.getLineNo() << "\n"
+ << "Missing \\end_layout.\n";
+ break;
+ }
+ }
+
+ return unknown;
+}
+
+
+LyXFont const outerFont(ParagraphList::iterator pit,
+ ParagraphList const & plist)
+{
+ Paragraph::depth_type par_depth = pit->getDepth();
+ LyXFont tmpfont(LyXFont::ALL_INHERIT);
+
+ // Resolve against environment font information
+ while (pit != const_cast<ParagraphList&>(plist).end() &&
+ par_depth && !tmpfont.resolved()) {
+ pit = outerHook(pit, plist);
+ if (pit != const_cast<ParagraphList&>(plist).end()) {
+ tmpfont.realize(pit->layout()->font);
+ par_depth = pit->getDepth();
+ }
+ }
+
+ return tmpfont;
+}
+
+
+ParagraphList::iterator outerPar(Buffer const & buf, InsetBase const * inset)
+{
+ ParIterator pit = const_cast<Buffer &>(buf).par_iterator_begin();
+ ParIterator end = const_cast<Buffer &>(buf).par_iterator_end();
+ for ( ; pit != end; ++pit) {
+ LyXText * text;
+ // the second '=' below is intentional
+ for (int i = 0; (text = inset->getText(i)); ++i)
+ if (&text->paragraphs() == &pit.plist())
+ return pit.outerPar();
+
+ InsetList::iterator ii = pit->insetlist.begin();
+ InsetList::iterator iend = pit->insetlist.end();
+ for ( ; ii != iend; ++ii)
+ if (ii->inset == inset)
+ return pit.outerPar();
+ }
+ lyxerr << "outerPar: should not happen" << endl;
+ BOOST_ASSERT(false);
+ return const_cast<Buffer &>(buf).paragraphs().end(); // shut up compiler
+}
+
+
+Paragraph const & ownerPar(Buffer const & buf, InsetBase const * inset)
+{
+ ParConstIterator pit = buf.par_iterator_begin();
+ ParConstIterator end = buf.par_iterator_end();
+ for ( ; pit != end; ++pit) {
+ LyXText * text;
+ // the second '=' below is intentional
+ for (int i = 0; (text = inset->getText(i)); ++i)
+ if (&text->paragraphs() == &pit.plist())
+ return *pit.pit();
+
+ InsetList::const_iterator ii = pit->insetlist.begin();
+ InsetList::const_iterator iend = pit->insetlist.end();
+ for ( ; ii != iend; ++ii)
+ if (ii->inset == inset)
+ return *pit.pit();
+ }
+ lyxerr << "ownerPar: should not happen" << endl;
+ BOOST_ASSERT(false);
+ return buf.paragraphs().front(); // shut up compiler
+}
+
+
+/// return the range of pars [beg, end[ owning the range of y [ystart, yend]
+void getParsInRange(ParagraphList & pl,
+ int ystart, int yend,
+ ParagraphList::iterator & beg,
+ ParagraphList::iterator & end)
+{
+ ParagraphList::iterator const endpar = pl.end();
+ ParagraphList::iterator const begpar = pl.begin();
+
+ BOOST_ASSERT(begpar != endpar);
+
+ beg = endpar;
+ for (--beg; beg != begpar && beg->y > ystart; --beg)
+ ;
+
+ for (end = beg ; end != endpar && end->y <= yend; ++end)
+ ;
+}
+