X-Git-Url: https://git.lyx.org/gitweb/?a=blobdiff_plain;f=src%2Fbuffer_funcs.cpp;h=8224241ee1db2a4a871648da302dc2cb653ca8bb;hb=acc5af9912533261c37795971af269f77317f14f;hp=7a8618cc1564d3ebf30557a68dfcabacd507ba5f;hpb=9092bffc32c3a9206818f82265ff9a6db4bc7fbe;p=lyx.git diff --git a/src/buffer_funcs.cpp b/src/buffer_funcs.cpp index 7a8618cc15..8224241ee1 100644 --- a/src/buffer_funcs.cpp +++ b/src/buffer_funcs.cpp @@ -3,7 +3,7 @@ * This file is part of LyX, the document processor. * Licence details can be found in the file COPYING. * - * \author Lars Gullik Bjønnes + * \author Lars Gullik Bjønnes * \author Alfredo Braunstein * * Full author contact details are available in file CREDITS. @@ -21,172 +21,106 @@ #include "ErrorList.h" #include "Floating.h" #include "FloatList.h" -#include "gettext.h" +#include "InsetList.h" #include "Language.h" #include "LaTeX.h" +#include "Layout.h" +#include "LyX.h" #include "TextClass.h" #include "Paragraph.h" -#include "paragraph_funcs.h" #include "ParagraphList.h" #include "ParagraphParameters.h" #include "ParIterator.h" -#include "LyXVC.h" #include "TexRow.h" +#include "Text.h" #include "TocBackend.h" -#include "VCBackend.h" #include "frontends/alert.h" #include "insets/InsetBibitem.h" -#include "insets/InsetCaption.h" #include "insets/InsetInclude.h" -#include "insets/InsetTabular.h" +#include "support/lassert.h" +#include "support/convert.h" +#include "support/debug.h" #include "support/filetools.h" -#include "support/fs_extras.h" -#include "support/lyxlib.h" - -#include -#include - - -namespace lyx { +#include "support/gettext.h" +#include "support/lstrings.h" +#include "support/textutils.h" using namespace std; +using namespace lyx::support; -using support::bformat; -using support::FileName; -using support::libFileSearch; -using support::makeAbsPath; -using support::makeDisplayPath; -using support::onlyFilename; -using support::onlyPath; -using support::unlink; - -using std::min; -using std::string; +namespace lyx { namespace Alert = frontend::Alert; -namespace fs = boost::filesystem; -namespace { -bool readFile(Buffer * const b, FileName const & s) +Buffer * checkAndLoadLyXFile(FileName const & filename, bool const acceptDirty) { - BOOST_ASSERT(b); - - // File information about normal file - if (!fs::exists(s.toFilesystemEncoding())) { - docstring const file = makeDisplayPath(s.absFilename(), 50); - docstring text = bformat(_("The specified document\n%1$s" - "\ncould not be read."), file); - Alert::error(_("Could not read document"), text); - return false; + // File already open? + Buffer * checkBuffer = theBufferList().getBuffer(filename); + if (checkBuffer) { + // sometimes (when setting the master buffer from a child) + // we accept a dirty buffer right away (otherwise we'd get + // an infinite loop (bug 5514) + if (checkBuffer->isClean() || acceptDirty) + return checkBuffer; + docstring const file = makeDisplayPath(filename.absFilename(), 20); + docstring text = bformat(_( + "The document %1$s is already loaded and has unsaved changes.\n" + "Do you want to abandon your changes and reload the version on disk?"), file); + if (Alert::prompt(_("Reload saved document?"), + text, 0, 1, _("&Reload"), _("&Keep Changes"))) + return checkBuffer; + + // FIXME: should be LFUN_REVERT + checkBuffer->markClean(); + theBufferList().release(checkBuffer); + // Load it again. + return checkAndLoadLyXFile(filename); } - // Check if emergency save file exists and is newer. - FileName const e(s.absFilename() + ".emergency"); - - if (fs::exists(e.toFilesystemEncoding()) && - fs::exists(s.toFilesystemEncoding()) && - fs::last_write_time(e.toFilesystemEncoding()) > fs::last_write_time(s.toFilesystemEncoding())) - { - docstring const file = makeDisplayPath(s.absFilename(), 20); - docstring const text = - bformat(_("An emergency save of the document " - "%1$s exists.\n\n" - "Recover emergency save?"), file); - switch (Alert::prompt(_("Load emergency save?"), text, 0, 2, - _("&Recover"), _("&Load Original"), - _("&Cancel"))) - { - case 0: - // the file is not saved if we load the emergency file. - b->markDirty(); - return b->readFile(e); - case 1: - break; - default: - return false; + if (filename.exists()) { + if (!filename.isReadableFile()) { + docstring text = bformat(_("The file %1$s exists but is not " + "readable by the current user."), + from_utf8(filename.absFilename())); + Alert::error(_("File not readable!"), text); + return 0; } - } - - // Now check if autosave file is newer. - FileName const a(onlyPath(s.absFilename()) + '#' + onlyFilename(s.absFilename()) + '#'); - - if (fs::exists(a.toFilesystemEncoding()) && - fs::exists(s.toFilesystemEncoding()) && - fs::last_write_time(a.toFilesystemEncoding()) > fs::last_write_time(s.toFilesystemEncoding())) - { - docstring const file = makeDisplayPath(s.absFilename(), 20); - docstring const text = - bformat(_("The backup of the document " - "%1$s is newer.\n\nLoad the " - "backup instead?"), file); - switch (Alert::prompt(_("Load backup?"), text, 0, 2, - _("&Load backup"), _("Load &original"), - _("&Cancel") )) - { - case 0: - // the file is not saved if we load the autosave file. - b->markDirty(); - return b->readFile(a); - case 1: - // Here we delete the autosave - unlink(a); - break; - default: - return false; + Buffer * b = theBufferList().newBuffer(filename.absFilename()); + if (!b) { + // Buffer creation is not possible. + return 0; } + if (!b->loadLyXFile(filename)) { + theBufferList().release(b); + return 0; + } + return b; } - return b->readFile(s); -} - -} // namespace anon + docstring text = bformat(_("The document %1$s does not yet " + "exist.\n\nDo you want to create a new document?"), + from_utf8(filename.absFilename())); + if (!Alert::prompt(_("Create new document?"), + text, 0, 1, _("&Create"), _("Cancel"))) + return newFile(filename.absFilename(), string(), true); - - -bool loadLyXFile(Buffer * b, FileName const & s) -{ - BOOST_ASSERT(b); - - if (fs::is_readable(s.toFilesystemEncoding())) { - if (readFile(b, s)) { - b->lyxvc().file_found_hook(s); - if (!fs::is_writable(s.toFilesystemEncoding())) - b->setReadonly(true); - return true; - } - } else { - docstring const file = makeDisplayPath(s.absFilename(), 20); - // Here we probably should run - if (LyXVC::file_not_found_hook(s)) { - docstring const text = - bformat(_("Do you want to retrieve the document" - " %1$s from version control?"), file); - int const ret = Alert::prompt(_("Retrieve from version control?"), - text, 0, 1, _("&Retrieve"), _("&Cancel")); - - if (ret == 0) { - // How can we know _how_ to do the checkout? - // With the current VC support it has to be, - // a RCS file since CVS do not have special ,v files. - RCS::retrieve(s); - return loadLyXFile(b, s); - } - } - } - return false; + return 0; } + // FIXME newFile() should probably be a member method of Application... Buffer * newFile(string const & filename, string const & templatename, bool const isNamed) { // get a free buffer Buffer * b = theBufferList().newBuffer(filename); - BOOST_ASSERT(b); + if (!b) + // Buffer creation is not possible. + return 0; FileName tname; // use defaults.lyx as a default template if it exists. @@ -213,504 +147,130 @@ Buffer * newFile(string const & filename, string const & templatename, } b->setReadonly(false); - b->fully_loaded(true); + b->setFullyLoaded(true); return b; } -void bufferErrors(Buffer const & buf, TeXErrors const & terr, - ErrorList & errorList) +Buffer * newUnnamedFile(FileName const & path, string const & prefix, + string const & templatename) { - TeXErrors::Errors::const_iterator cit = terr.begin(); - TeXErrors::Errors::const_iterator end = terr.end(); - - for (; cit != end; ++cit) { - int id_start = -1; - int pos_start = -1; - int errorrow = cit->error_in_line; - bool found = buf.texrow().getIdFromRow(errorrow, id_start, - pos_start); - int id_end = -1; - int pos_end = -1; - do { - ++errorrow; - found = buf.texrow().getIdFromRow(errorrow, id_end, - pos_end); - } while (found && id_start == id_end && pos_start == pos_end); - - errorList.push_back(ErrorItem(cit->error_desc, - cit->error_text, id_start, pos_start, pos_end)); - } -} + static map file_number; + FileName filename; -string const bufferFormat(Buffer const & buffer) -{ - if (buffer.isDocBook()) - return "docbook"; - else if (buffer.isLiterate()) - return "literate"; - else - return "latex"; + do { + filename.set(path, + prefix + convert(++file_number[prefix]) + ".lyx"); + } + while (theBufferList().exists(filename) || filename.isReadableFile()); + + return newFile(filename.absFilename(), templatename, false); } +/* + * FIXME : merge with countChars. The structures of the two functions + * are similar but, unfortunately, they seem to have a different + * notion of what to count. Since nobody ever complained about that, + * this proves (again) that any number beats no number ! (JMarc) + */ int countWords(DocIterator const & from, DocIterator const & to) { int count = 0; bool inword = false; - for (DocIterator dit = from ; dit != to ; dit.forwardPos()) { - // Copied and adapted from isLetter() in ControlSpellChecker - if (dit.inTexted() - && dit.pos() != dit.lastpos() - && dit.paragraph().isLetter(dit.pos()) - && !dit.paragraph().isDeleted(dit.pos())) { - if (!inword) { - ++count; - inword = true; - } - } else if (inword) - inword = false; - } - - return count; -} - - -namespace { - -depth_type getDepth(DocIterator const & it) -{ - depth_type depth = 0; - for (size_t i = 0 ; i < it.depth() ; ++i) - if (!it[i].inset().inMathed()) - depth += it[i].paragraph().getDepth() + 1; - // remove 1 since the outer inset does not count - return depth - 1; -} - -depth_type getItemDepth(ParIterator const & it) -{ - Paragraph const & par = *it; - LYX_LABEL_TYPES const labeltype = par.layout()->labeltype; - - if (labeltype != LABEL_ENUMERATE && labeltype != LABEL_ITEMIZE) - return 0; - - // this will hold the lowest depth encountered up to now. - depth_type min_depth = getDepth(it); - ParIterator prev_it = it; - while (true) { - if (prev_it.pit()) - --prev_it.top().pit(); - else { - // start of nested inset: go to outer par - prev_it.pop_back(); - if (prev_it.empty()) { - // start of document: nothing to do - return 0; - } + for (DocIterator dit = from ; dit != to ; ) { + if (!dit.inTexted()) { + dit.forwardPos(); + continue; } - - // We search for the first paragraph with same label - // that is not more deeply nested. - Paragraph & prev_par = *prev_it; - depth_type const prev_depth = getDepth(prev_it); - if (labeltype == prev_par.layout()->labeltype) { - if (prev_depth < min_depth) { - return prev_par.itemdepth + 1; + + Paragraph const & par = dit.paragraph(); + pos_type const pos = dit.pos(); + + // Copied and adapted from isWordSeparator() in Paragraph + if (pos != dit.lastpos() && !par.isDeleted(pos)) { + Inset const * ins = par.getInset(pos); + if (ins && !ins->producesOutput()) { + //skip this inset + ++dit.top().pos(); + continue; } - else if (prev_depth == min_depth) { - return prev_par.itemdepth; + if (par.isWordSeparator(pos)) + inword = false; + else if (!inword) { + ++count; + inword = true; } } - min_depth = std::min(min_depth, prev_depth); - // small optimization: if we are at depth 0, we won't - // find anything else - if (prev_depth == 0) { - return 0; - } + dit.forwardPos(); } -} - -bool needEnumCounterReset(ParIterator const & it) -{ - Paragraph const & par = *it; - BOOST_ASSERT(par.layout()->labeltype == LABEL_ENUMERATE); - depth_type const cur_depth = par.getDepth(); - ParIterator prev_it = it; - while (prev_it.pit()) { - --prev_it.top().pit(); - Paragraph const & prev_par = *prev_it; - if (prev_par.getDepth() <= cur_depth) - return prev_par.layout()->labeltype != LABEL_ENUMERATE; - } - // start of nested inset: reset - return true; -} - - -void setCaptionLabels(Inset & inset, string const & type, - docstring const label, Counters & counters) -{ - Text * text = inset.getText(0); - if (!text) - return; - - ParagraphList & pars = text->paragraphs(); - if (pars.empty()) - return; - - docstring const counter = from_ascii(type); - - ParagraphList::iterator p = pars.begin(); - for (; p != pars.end(); ++p) { - InsetList::iterator it2 = p->insetlist.begin(); - InsetList::iterator end2 = p->insetlist.end(); - // Any caption within this float should have the same - // label prefix but different numbers. - for (; it2 != end2; ++it2) { - Inset & icap = *it2->inset; - // Look deeper just in case. - setCaptionLabels(icap, type, label, counters); - if (icap.lyxCode() == Inset::CAPTION_CODE) { - // We found a caption! - counters.step(counter); - int number = counters.value(counter); - InsetCaption & ic = static_cast(icap); - ic.setType(type); - ic.setCount(number); - ic.setCustomLabel(label); - } - } - } + return count; } -void setCaptions(Paragraph & par, TextClass const & textclass) -{ - if (par.insetlist.empty()) - return; - - Counters & counters = textclass.counters(); - - InsetList::iterator it = par.insetlist.begin(); - InsetList::iterator end = par.insetlist.end(); - for (; it != end; ++it) { - Inset & inset = *it->inset; - if (inset.lyxCode() == Inset::FLOAT_CODE - || inset.lyxCode() == Inset::WRAP_CODE) { - docstring const name = inset.name(); - if (name.empty()) - continue; - - Floating const & fl = textclass.floats().getType(to_ascii(name)); - // FIXME UNICODE - string const & type = fl.type(); - docstring const label = from_utf8(fl.name()); - setCaptionLabels(inset, type, label, counters); - } - else if (inset.lyxCode() == Inset::TABULAR_CODE - && static_cast(inset).tabular.isLongTabular()) { - // FIXME: are "table" and "Table" the correct type and label? - setCaptionLabels(inset, "table", from_ascii("Table"), counters); - } - else if (inset.lyxCode() == Inset::LISTINGS_CODE) - setCaptionLabels(inset, "listing", from_ascii("Listing"), counters); - } -} - -// set the label of a paragraph. This includes the counters. -void setLabel(Buffer const & buf, ParIterator & it, TextClass const & textclass) +int countChars(DocIterator const & from, DocIterator const & to, + bool with_blanks) { - Paragraph & par = *it; - Layout_ptr const & layout = par.layout(); - Counters & counters = textclass.counters(); - - if (it.pit() == 0) { - par.params().appendix(par.params().startOfAppendix()); - } else { - par.params().appendix(it.plist()[it.pit() - 1].params().appendix()); - if (!par.params().appendix() && - par.params().startOfAppendix()) { - par.params().appendix(true); - textclass.counters().reset(); - } - } - - // Compute the item depth of the paragraph - par.itemdepth = getItemDepth(it); - - if (layout->margintype == MARGIN_MANUAL) { - if (par.params().labelWidthString().empty()) - par.params().labelWidthString(par.translateIfPossible(layout->labelstring(), buf.params())); - } else { - par.params().labelWidthString(docstring()); - } - - // Optimisation: setLabel() can be called for each for each - // paragraph of the document. So we make the string static to - // avoid the repeated instanciation. - static docstring itemlabel; - - // is it a layout that has an automatic label? - if (layout->labeltype == LABEL_COUNTER) { - if (layout->toclevel <= buf.params().secnumdepth - && (layout->latextype != LATEX_ENVIRONMENT - || isFirstInSequence(it.pit(), it.plist()))) { - counters.step(layout->counter); - par.params().labelString( - par.expandLabel(layout, buf.params())); - } else - par.params().labelString(docstring()); - - } else if (layout->labeltype == LABEL_ITEMIZE) { - // At some point of time we should do something more - // clever here, like: - // par.params().labelString( - // buf.params().user_defined_bullet(par.itemdepth).getText()); - // for now, use a simple hardcoded label - switch (par.itemdepth) { - case 0: - itemlabel = char_type(0x2022); - break; - case 1: - itemlabel = char_type(0x2013); - break; - case 2: - itemlabel = char_type(0x2217); - break; - case 3: - itemlabel = char_type(0x2219); // or 0x00b7 - break; + int chars = 0; + int blanks = 0; + for (DocIterator dit = from ; dit != to ; ) { + if (!dit.inTexted()) { + dit.forwardPos(); + continue; } - par.params().labelString(itemlabel); - - } else if (layout->labeltype == LABEL_ENUMERATE) { - // FIXME - // Yes I know this is a really, really! bad solution - // (Lgb) - docstring enumcounter = from_ascii("enum"); - - switch (par.itemdepth) { - case 2: - enumcounter += 'i'; - case 1: - enumcounter += 'i'; - case 0: - enumcounter += 'i'; - break; - case 3: - enumcounter += "iv"; - break; - default: - // not a valid enumdepth... - break; - } - - // Maybe we have to reset the enumeration counter. - if (needEnumCounterReset(it)) - counters.reset(enumcounter); - - counters.step(enumcounter); - - string format; - - switch (par.itemdepth) { - case 0: - format = N_("\\arabic{enumi}."); - break; - case 1: - format = N_("(\\alph{enumii})"); - break; - case 2: - format = N_("\\roman{enumiii}."); - break; - case 3: - format = N_("\\Alph{enumiv}."); - break; - default: - // not a valid enumdepth... - break; - } - - par.params().labelString(counters.counterLabel( - par.translateIfPossible(from_ascii(format), buf.params()))); - - } else if (layout->labeltype == LABEL_BIBLIO) {// ale970302 - counters.step(from_ascii("bibitem")); - int number = counters.value(from_ascii("bibitem")); - if (par.bibitem()) - par.bibitem()->setCounter(number); - - par.params().labelString( - par.translateIfPossible(layout->labelstring(), buf.params())); - // In biblio shouldn't be following counters but... - } else if (layout->labeltype == LABEL_SENSITIVE) { - // Search for the first float or wrap inset in the iterator - size_t i = it.depth(); - Inset * in = 0; - while (i > 0) { - --i; - Inset::Code const code = it[i].inset().lyxCode(); - if (code == Inset::FLOAT_CODE || - code == Inset::WRAP_CODE) { - in = &it[i].inset(); - break; + + Paragraph const & par = dit.paragraph(); + pos_type const pos = dit.pos(); + + if (pos != dit.lastpos() && !par.isDeleted(pos)) { + if (Inset const * ins = par.getInset(pos)) { + if (!ins->producesOutput()) { + //skip this inset + ++dit.top().pos(); + continue; + } + if (ins->isLetter()) + ++chars; + else if (with_blanks && ins->isSpace()) + ++blanks; + } else { + char_type const c = par.getChar(pos); + if (isPrintableNonspace(c)) + ++chars; + else if (isSpace(c) && with_blanks) + ++blanks; } } - // FIXME Can Inset::name() return an empty name for wide or - // float insets? If not we can put the definition of type - // inside the if (in) clause and use that instead of - // if (!type.empty()). - docstring type; - if (in) - type = in->name(); - - if (!type.empty()) { - Floating const & fl = textclass.floats().getType(to_ascii(type)); - // FIXME UNICODE - counters.step(from_ascii(fl.type())); - - // Doesn't work... yet. - par.params().labelString(par.translateIfPossible( - bformat(from_ascii("%1$s #:"), from_utf8(fl.name())), - buf.params())); - } else { - // par->SetLayout(0); - par.params().labelString(par.translateIfPossible( - layout->labelstring(), buf.params())); - } - - } else if (layout->labeltype == LABEL_NO_LABEL) - par.params().labelString(docstring()); - else - par.params().labelString( - par.translateIfPossible(layout->labelstring(), buf.params())); -} - -} // anon namespace - - -bool updateCurrentLabel(Buffer const & buf, - ParIterator & it) -{ - if (it == par_iterator_end(buf.inset())) - return false; - -// if (it.lastpit == 0 && Text::isMainText(buf)) -// return false; - - switch (it->layout()->labeltype) { - - case LABEL_NO_LABEL: - case LABEL_MANUAL: - case LABEL_BIBLIO: - case LABEL_TOP_ENVIRONMENT: - case LABEL_CENTERED_TOP_ENVIRONMENT: - case LABEL_STATIC: - case LABEL_ITEMIZE: - setLabel(buf, it, buf.params().getTextClass()); - return true; - - case LABEL_SENSITIVE: - case LABEL_COUNTER: - // do more things with enumerate later - case LABEL_ENUMERATE: - return false; - } - - // This is dead code which get rid of a warning: - return true; -} - - -void updateLabels(Buffer const & buf, - ParIterator & from, ParIterator & to, bool childonly) -{ - for (ParIterator it = from; it != to; ++it) { - if (it.pit() > it.lastpit()) - return; - if (!updateCurrentLabel (buf, it)) { - updateLabels(buf, childonly); - return; - } + dit.forwardPos(); } -} - - -void updateLabels(Buffer const & buf, ParIterator & iter, bool childonly) -{ - if (updateCurrentLabel(buf, iter)) - return; - updateLabels(buf, childonly); + return chars + blanks; } -void updateLabels(Buffer const & buf, bool childonly) +Buffer * loadIfNeeded(FileName const & fname) { - // Use the master text class also for child documents - TextClass const & textclass = buf.params().getTextClass(); - - if (!childonly) { - // If this is a child document start with the master - Buffer const * const master = buf.getMasterBuffer(); - if (master != &buf) { - updateLabels(*master); - return; - } + Buffer * buffer = theBufferList().getBuffer(fname); + if (!buffer) { + if (!fname.exists()) + return 0; - // start over the counters - textclass.counters().reset(); - } + buffer = theBufferList().newBuffer(fname.absFilename()); + if (!buffer) + // Buffer creation is not possible. + return 0; - ParIterator const end = par_iterator_end(buf.inset()); - - for (ParIterator it = par_iterator_begin(buf.inset()); it != end; ++it) { - // reduce depth if necessary - if (it.pit()) { - Paragraph const & prevpar = it.plist()[it.pit() - 1]; - it->params().depth(min(it->params().depth(), - prevpar.getMaxDepthAfter())); - } else - it->params().depth(0); - - // set the counter for this paragraph - setLabel(buf, it, textclass); - - // It is better to set the captions after setLabel because - // the caption number might need the section number in the - // future. - setCaptions(*it, textclass); - - // Now included docs - InsetList::const_iterator iit = it->insetlist.begin(); - InsetList::const_iterator end = it->insetlist.end(); - for (; iit != end; ++iit) { - if (iit->inset->lyxCode() == Inset::INCLUDE_CODE) - static_cast(iit->inset) - ->updateLabels(buf); + if (!buffer->loadLyXFile(fname)) { + //close the buffer we just opened + theBufferList().release(buffer); + return 0; } } - - Buffer & cbuf = const_cast(buf); - cbuf.tocBackend().update(); - if (!childonly) - cbuf.structureChanged(); + return buffer; } -void checkBufferStructure(Buffer & buffer, ParIterator const & par_it) -{ - if (par_it->layout()->labeltype == LABEL_COUNTER - && par_it->layout()->toclevel != Layout::NOT_IN_TOC) { - Buffer * master = buffer.getMasterBuffer(); - master->tocBackend().updateItem(par_it); - master->structureChanged(); - } -} - } // namespace lyx