]> git.lyx.org Git - lyx.git/blobdiff - src/Buffer.cpp
** fix bug 2114. Fileformat change.
[lyx.git] / src / Buffer.cpp
index dc7343677e47deeea18f4594bc7cf6c861593f11..2e60e5c43c5c9fc980c2be7182694a0b05952bf2 100644 (file)
@@ -14,7 +14,7 @@
 #include "Buffer.h"
 
 #include "Author.h"
-#include "BaseClassList.h"
+#include "LayoutFile.h"
 #include "BiblioInfo.h"
 #include "BranchList.h"
 #include "buffer_funcs.h"
@@ -25,7 +25,6 @@
 #include "Converter.h"
 #include "Counters.h"
 #include "DocIterator.h"
-#include "EmbeddedFiles.h"
 #include "Encoding.h"
 #include "ErrorList.h"
 #include "Exporter.h"
@@ -51,7 +50,6 @@
 #include "ParagraphParameters.h"
 #include "ParIterator.h"
 #include "PDFOptions.h"
-#include "Session.h"
 #include "sgml.h"
 #include "TexRow.h"
 #include "TexStream.h"
@@ -78,6 +76,7 @@
 
 #include "graphics/Previews.h"
 
+#include "support/lassert.h"
 #include "support/convert.h"
 #include "support/debug.h"
 #include "support/ExceptionMessage.h"
@@ -94,7 +93,6 @@
 #include "support/Path.h"
 #include "support/textutils.h"
 #include "support/types.h"
-#include "support/FileZipListDir.h"
 
 #include <boost/bind.hpp>
 #include <boost/shared_ptr.hpp>
@@ -117,7 +115,7 @@ namespace os = support::os;
 
 namespace {
 
-int const LYX_FORMAT = 317; // Uwe Stöhr: float placement support for wrap floats
+int const LYX_FORMAT = 343;
 
 typedef map<string, bool> DepClean;
 typedef map<docstring, pair<InsetLabel const *, Buffer::References> > RefCache;
@@ -135,8 +133,9 @@ public:
                        wa_->closeAll();
                        delete wa_;
                }
+               delete inset;
        }
-       
+
        BufferParams params;
        LyXVC lyxvc;
        FileName temppath;
@@ -174,22 +173,23 @@ public:
        typedef pair<DocIterator, MacroData> ScopeMacro;
        typedef map<DocIterator, ScopeMacro> PositionScopeMacroMap;
        typedef map<docstring, PositionScopeMacroMap> NamePositionScopeMacroMap;
+       /// map from the macro name to the position map,
+       /// which maps the macro definition position to the scope and the MacroData.
        NamePositionScopeMacroMap macros;
        bool macro_lock;
-       
+
        /// positions of child buffers in the buffer
        typedef map<Buffer const * const, DocIterator> BufferPositionMap;
        typedef pair<DocIterator, Buffer const *> ScopeBuffer;
        typedef map<DocIterator, ScopeBuffer> PositionScopeBufferMap;
+       /// position of children buffers in this buffer
        BufferPositionMap children_positions;
+       /// map from children inclusion positions to their scope and their buffer
        PositionScopeBufferMap position_to_children;
 
        /// Container for all sort of Buffer dependant errors.
        map<string, ErrorList> errorLists;
 
-       /// all embedded files of this buffer
-       EmbeddedFileList embedded_files;
-
        /// timestamp and checksum used to test if the file has been externally
        /// modified. (Used to properly enable 'File->Revert to saved', bug 4114).
        time_t timestamp_;
@@ -203,14 +203,26 @@ public:
 
        /// A cache for the bibfiles (including bibfiles of loaded child
        /// documents), needed for appropriate update of natbib labels.
-       mutable EmbeddedFileList bibfilesCache_;
+       mutable support::FileNameList bibfilesCache_;
+
+       // FIXME The caching mechanism could be improved. At present, we have a
+       // cache for each Buffer, that caches all the bibliography info for that
+       // Buffer. A more efficient solution would be to have a global cache per
+       // file, and then to construct the Buffer's bibinfo from that.
+       /// A cache for bibliography info
+       mutable BiblioInfo bibinfo_;
+       /// whether the bibinfo cache is valid
+       bool bibinfoCacheValid_;
+       /// Cache of timestamps of .bib files
+       map<FileName, time_t> bibfileStatus_;
 
        mutable RefCache ref_cache_;
 
        /// our Text that should be wrapped in an InsetText
-       InsetText inset;
+       InsetText inset;
 };
 
+
 /// Creates the per buffer temporary directory
 static FileName createBufferTmpDir()
 {
@@ -233,9 +245,8 @@ static FileName createBufferTmpDir()
 Buffer::Impl::Impl(Buffer & parent, FileName const & file, bool readonly_)
        : parent_buffer(0), lyx_clean(true), bak_clean(true), unnamed(false),
          read_only(readonly_), filename(file), file_fully_loaded(false),
-         toc_backend(&parent), macro_lock(false),
-         embedded_files(), timestamp_(0), checksum_(0), wa_(0), 
-         undo_(parent)
+         toc_backend(&parent), macro_lock(false), timestamp_(0),
+         checksum_(0), wa_(0), undo_(parent), bibinfoCacheValid_(false)
 {
        temppath = createBufferTmpDir();
        lyxvc.setBuffer(&parent);
@@ -249,10 +260,9 @@ Buffer::Buffer(string const & file, bool readonly)
 {
        LYXERR(Debug::INFO, "Buffer::Buffer()");
 
-       d->inset.setBuffer(*this);
-       d->inset.initParagraphs(*this);
-       d->inset.setAutoBreakRows(true);
-       d->inset.getText(0)->setMacrocontextPosition(par_iterator_begin());
+       d->inset = new InsetText(*this);
+       d->inset->setAutoBreakRows(true);
+       d->inset->getText(0)->setMacrocontextPosition(par_iterator_begin());
 }
 
 
@@ -265,16 +275,16 @@ Buffer::~Buffer()
        // GuiView already destroyed
        gui_ = 0;
 
-       Buffer const * master = masterBuffer();
-       if (master != this && use_gui) {
-               // We are closing buf which was a child document so we
-               // must update the labels and section numbering of its master
-               // Buffer.
-               updateLabels(*master);
-               master->updateMacros();
-       }
 
-       resetChildDocuments(false);
+       // loop over children
+       Impl::BufferPositionMap::iterator it = d->children_positions.begin();
+       Impl::BufferPositionMap::iterator end = d->children_positions.end();
+       for (; it != end; ++it)
+               theBufferList().releaseChild(this, const_cast<Buffer *>(it->first));
+
+       // clear references to children in macro tables
+       d->children_positions.clear();
+       d->position_to_children.clear();
 
        if (!d->temppath.destroyDirectory()) {
                Alert::warning(_("Could not remove temporary directory"),
@@ -283,7 +293,7 @@ Buffer::~Buffer()
        }
 
        // Remove any previewed LaTeX snippets associated with this buffer.
-       graphics::Previews::get().removeLoader(*this);
+       thePreviews().removeLoader(*this);
 
        delete d;
 }
@@ -298,20 +308,20 @@ void Buffer::changed() const
 
 frontend::WorkAreaManager & Buffer::workAreaManager() const
 {
-       BOOST_ASSERT(d->wa_);
+       LASSERT(d->wa_, /**/);
        return *d->wa_;
 }
 
 
 Text & Buffer::text() const
 {
-       return const_cast<Text &>(d->inset.text_);
+       return d->inset->text();
 }
 
 
 Inset & Buffer::inset() const
 {
-       return const_cast<InsetText &>(d->inset);
+       return *d->inset;
 }
 
 
@@ -369,24 +379,6 @@ TocBackend & Buffer::tocBackend() const
 }
 
 
-EmbeddedFileList & Buffer::embeddedFiles()
-{
-       return d->embedded_files;
-}
-
-
-EmbeddedFileList const & Buffer::embeddedFiles() const
-{
-       return d->embedded_files;
-}
-
-
-bool Buffer::embedded() const
-{
-       return params().embedded;
-}
-
-
 Undo & Buffer::undo()
 {
        return d->undo_;
@@ -464,6 +456,7 @@ int Buffer::readHeader(Lexer & lex)
        params().branchlist().clear();
        params().preamble.erase();
        params().options.erase();
+       params().master.erase();
        params().float_placement.erase();
        params().paperwidth.erase();
        params().paperheight.erase();
@@ -475,10 +468,12 @@ int Buffer::readHeader(Lexer & lex)
        params().headsep.erase();
        params().footskip.erase();
        params().columnsep.erase();
+       params().fontsCJK.erase();
        params().listings_params.clear();
        params().clearLayoutModules();
+       params().clearRemovedModules();
        params().pdfoptions().clear();
-       
+
        for (int i = 0; i < 4; ++i) {
                params().user_defined_bullet(i) = ITEMIZE_DEFAULTS[i];
                params().temp_bullet(i) = ITEMIZE_DEFAULTS[i];
@@ -487,8 +482,8 @@ int Buffer::readHeader(Lexer & lex)
        ErrorList & errorList = d->errorLists["Parse"];
 
        while (lex.isOK()) {
-               lex.next();
-               string const token = lex.getString();
+               string token;
+               lex >> token;
 
                if (token.empty())
                        continue;
@@ -527,7 +522,7 @@ int Buffer::readHeader(Lexer & lex)
                errorList.push_back(ErrorItem(_("Document header error"),
                        s, -1, 0, 0));
        }
-       
+
        params().makeDocumentClass();
 
        return unknown_tokens;
@@ -542,16 +537,14 @@ bool Buffer::readDocument(Lexer & lex)
        ErrorList & errorList = d->errorLists["Parse"];
        errorList.clear();
 
-       lex.next();
-       string const token = lex.getString();
-       if (token != "\\begin_document") {
+       if (!lex.checkFor("\\begin_document")) {
                docstring const s = _("\\begin_document is missing");
                errorList.push_back(ErrorItem(_("Document header error"),
                        s, -1, 0, 0));
        }
 
        // we are reading in a brand new document
-       BOOST_ASSERT(paragraphs().empty());
+       LASSERT(paragraphs().empty(), /**/);
 
        readHeader(lex);
 
@@ -575,8 +568,17 @@ bool Buffer::readDocument(Lexer & lex)
                }
        }
 
+       if (!params().master.empty()) {
+               FileName const master_file = makeAbsPath(params().master,
+                          onlyPath(absFileName()));
+               if (isLyXFilename(master_file.absFilename())) {
+                       Buffer * master = checkAndLoadLyXFile(master_file);
+                       d->parent_buffer = master;
+               }
+       }
+
        // read main text
-       bool const res = text().read(*this, lex, errorList, &(d->inset));
+       bool const res = text().read(*this, lex, errorList, d->inset);
 
        updateMacros();
        updateMacroInstances();
@@ -599,7 +601,7 @@ void Buffer::insertStringAsLines(ParagraphList & pars,
                if (*cit == '\n') {
                        if (autobreakrows && (!par.empty() || par.allowEmpty())) {
                                breakParagraph(params(), pars, pit, pos,
-                                              par.layout()->isEnvironment());
+                                              par.layout().isEnvironment());
                                ++pit;
                                pos = 0;
                                space_inserted = true;
@@ -617,11 +619,8 @@ void Buffer::insertStringAsLines(ParagraphList & pars,
                                ++pos;
                                space_inserted = true;
                        } else {
-                               const pos_type n = 8 - pos % 8;
-                               for (pos_type i = 0; i < n; ++i) {
-                                       par.insertChar(pos, ' ', font, params().trackChanges);
-                                       ++pos;
-                               }
+                               par.insertChar(pos, *cit, font, params().trackChanges);
+                               ++pos;
                                space_inserted = true;
                        }
                } else if (!isPrintable(*cit)) {
@@ -644,10 +643,10 @@ bool Buffer::readString(string const & s)
 
        // remove dummy empty par
        paragraphs().clear();
-       Lexer lex(0, 0);
+       Lexer lex;
        istringstream is(s);
        lex.setStream(is);
-       FileName const name = FileName::tempName();
+       FileName const name = FileName::tempName("Buffer_readString");
        switch (readFile(lex, name, true)) {
        case failure:
                return false;
@@ -669,30 +668,10 @@ bool Buffer::readString(string const & s)
 bool Buffer::readFile(FileName const & filename)
 {
        FileName fname(filename);
-       // Check if the file is compressed.
-       string format = filename.guessFormatFromContents();
-       if (format == "zip") {
-               // decompress to a temp directory
-               LYXERR(Debug::FILES, filename << " is in zip format. Unzip to " << temppath());
-               ::unzipToDir(filename.toFilesystemEncoding(), temppath());
-               //
-               FileName lyxfile(addName(temppath(), "content.lyx"));
-               // if both manifest.txt and file.lyx exist, this is am embedded file
-               if (lyxfile.exists()) {
-                       // if in bundled format, save checksum of the compressed file, not content.lyx
-                       saveCheckSum(filename);
-                       params().embedded = true;
-                       fname = lyxfile;
-               }
-       }
-       // The embedded lyx file can also be compressed, for backward compatibility
-       format = fname.guessFormatFromContents();
-       if (format == "gzip" || format == "zip" || format == "compress")
-               params().compressed = true;
 
        // remove dummy empty par
        paragraphs().clear();
-       Lexer lex(0, 0);
+       Lexer lex;
        lex.setFile(fname);
        if (readFile(lex, fname) != success)
                return false;
@@ -716,38 +695,21 @@ void Buffer::setFullyLoaded(bool value)
 Buffer::ReadStatus Buffer::readFile(Lexer & lex, FileName const & filename,
                bool fromstring)
 {
-       BOOST_ASSERT(!filename.empty());
-
-       if (!lex.isOK()) {
-               Alert::error(_("Document could not be read"),
-                            bformat(_("%1$s could not be read."), from_utf8(filename.absFilename())));
-               return failure;
-       }
-
-       lex.next();
-       string const token = lex.getString();
-
-       if (!lex) {
-               Alert::error(_("Document could not be read"),
-                            bformat(_("%1$s could not be read."), from_utf8(filename.absFilename())));
-               return failure;
-       }
-
-       // the first token _must_ be...
-       if (token != "\\lyxformat") {
-               lyxerr << "Token: " << token << endl;
+       LASSERT(!filename.empty(), /**/);
 
+       // the first (non-comment) token _must_ be...
+       if (!lex.checkFor("\\lyxformat")) {
                Alert::error(_("Document format failure"),
-                            bformat(_("%1$s is not a LyX document."),
+                            bformat(_("%1$s is not a readable LyX document."),
                                       from_utf8(filename.absFilename())));
                return failure;
        }
 
-       lex.next();
-       string tmp_format = lex.getString();
+       string tmp_format;
+       lex >> tmp_format;
        //lyxerr << "LyX Format: `" << tmp_format << '\'' << endl;
        // if present remove ".," from string.
-       string::size_type dot = tmp_format.find_first_of(".,");
+       size_t dot = tmp_format.find_first_of(".,");
        //lyxerr << "           dot found at " << dot << endl;
        if (dot != string::npos)
                        tmp_format.erase(dot, 1);
@@ -773,7 +735,7 @@ Buffer::ReadStatus Buffer::readFile(Lexer & lex, FileName const & filename,
                        // lyx2lyx would fail
                        return wrongversion;
 
-               FileName const tmpfile = FileName::tempName();
+               FileName const tmpfile = FileName::tempName("Buffer_readFile");
                if (tmpfile.empty()) {
                        Alert::error(_("Conversion failed"),
                                     bformat(_("%1$s is from a different"
@@ -892,41 +854,25 @@ bool Buffer::writeFile(FileName const & fname) const
 
        bool retval = false;
 
-       FileName content;
-       if (params().embedded)
-               // first write the .lyx file to the temporary directory
-               content = FileName(addName(temppath(), "content.lyx"));
-       else
-               content = fname;
-
        docstring const str = bformat(_("Saving document %1$s..."),
-               makeDisplayPath(content.absFilename()));
+               makeDisplayPath(fname.absFilename()));
        message(str);
 
        if (params().compressed) {
-               gz::ogzstream ofs(content.toFilesystemEncoding().c_str(), ios::out|ios::trunc);
+               gz::ogzstream ofs(fname.toFilesystemEncoding().c_str(), ios::out|ios::trunc);
                retval = ofs && write(ofs);
        } else {
-               ofstream ofs(content.toFilesystemEncoding().c_str(), ios::out|ios::trunc);
+               ofstream ofs(fname.toFilesystemEncoding().c_str(), ios::out|ios::trunc);
                retval = ofs && write(ofs);
        }
 
        if (!retval) {
-               message(str + _(" could not write file!."));
+               message(str + _(" could not write file!"));
                return false;
        }
 
        removeAutosaveFile(d->filename.absFilename());
 
-       if (params().embedded) {
-               message(str + _(" writing embedded files!."));
-               // if embedding is enabled, write file.lyx and all the embedded files
-               // to the zip file fname.
-               if (!d->embedded_files.writeFile(fname, *this)) {
-                       message(str + _(" could not write embedded files!."));
-                       return false;
-               }
-       }
        saveCheckSum(d->filename);
        message(str + _(" done."));
 
@@ -1036,7 +982,7 @@ bool Buffer::makeLaTeXFile(FileName const & fname,
                                "representable in the chosen encoding.\n"
                                "Changing the document encoding to utf8 could help."),
                                e.par_id, e.pos, e.pos + 1));
-               failed_export = true;                   
+               failed_export = true;
        }
        catch (iconv_codecvt_facet_exception & e) {
                errorList.push_back(ErrorItem(_("iconv conversion failed"),
@@ -1050,7 +996,7 @@ bool Buffer::makeLaTeXFile(FileName const & fname,
        }
        catch (...) {
                lyxerr << "Caught some really weird exception..." << endl;
-               LyX::cref().exit(1);
+               lyx_exit(1);
        }
 
        ofs.close();
@@ -1069,8 +1015,13 @@ void Buffer::writeLaTeXSource(odocstream & os,
                           OutputParams const & runparams_in,
                           bool const output_preamble, bool const output_body) const
 {
+       // The child documents, if any, shall be already loaded at this point.
+
        OutputParams runparams = runparams_in;
 
+       // Classify the unicode characters appearing in math insets
+       Encodings::initUnicodeMath(*this);
+
        // validate the buffer.
        LYXERR(Debug::LATEX, "  Validating buffer...");
        LaTeXFeatures features(*this, params(), runparams);
@@ -1088,6 +1039,16 @@ void Buffer::writeLaTeXSource(odocstream & os,
                d->texrow.newline();
        }
        LYXERR(Debug::INFO, "lyx document header finished");
+
+       // Don't move this behind the parent_buffer=0 code below,
+       // because then the macros will not get the right "redefinition"
+       // flag as they don't see the parent macros which are output before.
+       updateMacros();
+
+       // fold macros if possible, still with parent buffer as the
+       // macros will be put in the prefix anyway.
+       updateMacroInstances();
+
        // There are a few differences between nice LaTeX and usual files:
        // usual is \batchmode and has a
        // special input@path to allow the including of figures
@@ -1118,40 +1079,39 @@ void Buffer::writeLaTeXSource(odocstream & os,
                        d->texrow.newline();
                }
 
+               // get parent macros (if this buffer has a parent) which will be
+               // written at the document begin further down.
+               MacroSet parentMacros;
+               listParentMacros(parentMacros, features);
+
                // Write the preamble
                runparams.use_babel = params().writeLaTeX(os, features, d->texrow);
 
+               runparams.use_japanese = features.isRequired("japanese");
+
                if (!output_body)
                        return;
 
                // make the body.
                os << "\\begin{document}\n";
                d->texrow.newline();
+
+               // output the parent macros
+               MacroSet::iterator it = parentMacros.begin();
+               MacroSet::iterator end = parentMacros.end();
+               for (; it != end; ++it)
+                       (*it)->write(os, true);
        } // output_preamble
 
        d->texrow.start(paragraphs().begin()->id(), 0);
-       
-       LYXERR(Debug::INFO, "preamble finished, now the body.");
-
-       // load children, if not already done. 
-       // This includes an updateMacro() call.
-       // Don't move this behind the parent_buffer=0 code below,
-       // because then the macros will not get the right "redefinition"
-       // flag as they don't see the parent macros which are output before.
-       loadChildDocuments();
 
-       // fold macros if possible, still with parent buffer as the
-       // macros will be put in the prefix anyway.
-       updateMacroInstances();
+       LYXERR(Debug::INFO, "preamble finished, now the body.");
 
        // if we are doing a real file with body, even if this is the
        // child of some other buffer, let's cut the link here.
        // This happens for example if only a child document is printed.
        Buffer const * save_parent = 0;
        if (output_preamble) {
-               // output the macros visible for this buffer
-               writeParentMacros(os);
-
                save_parent = d->parent_buffer;
                d->parent_buffer = 0;
        }
@@ -1160,15 +1120,9 @@ void Buffer::writeLaTeXSource(odocstream & os,
        latexParagraphs(*this, text(), os, d->texrow, runparams);
 
        // Restore the parenthood if needed
-       if (output_preamble) {
+       if (output_preamble)
                d->parent_buffer = save_parent;
 
-               // restore macros with correct parent buffer (especially
-               // important for the redefinition flag which depends on the 
-               // parent)
-               updateMacros();
-       }
-
        // add this just in case after all the paragraphs
        os << endl;
        d->texrow.newline();
@@ -1278,7 +1232,7 @@ void Buffer::writeDocBookSource(odocstream & os, string const & fname,
        if (runparams.flavor == OutputParams::XML)
                top += params().language->code();
        else
-               top += params().language->code().substr(0,2);
+               top += params().language->code().substr(0, 2);
        top += '"';
 
        if (!params().options.empty()) {
@@ -1292,7 +1246,7 @@ void Buffer::writeDocBookSource(odocstream & os, string const & fname,
 
        params().documentClass().counters().reset();
 
-       loadChildDocuments();
+       updateMacros();
 
        sgml::openTag(os, top);
        os << '\n';
@@ -1346,7 +1300,7 @@ void Buffer::validate(LaTeXFeatures & features) const
 {
        params().validate(features);
 
-       loadChildDocuments();
+       updateMacros();
 
        for_each(paragraphs().begin(), paragraphs().end(),
                 boost::bind(&Paragraph::validate, _1, boost::ref(features)));
@@ -1359,33 +1313,28 @@ void Buffer::validate(LaTeXFeatures & features) const
 
 void Buffer::getLabelList(vector<docstring> & list) const
 {
-       /// if this is a child document and the parent is already loaded
-       /// Use the parent's list instead  [ale990407]
-       Buffer const * tmp = masterBuffer();
-       if (!tmp) {
-               lyxerr << "masterBuffer() failed!" << endl;
-               BOOST_ASSERT(tmp);
-       }
-       if (tmp != this) {
-               tmp->getLabelList(list);
+       // If this is a child document, use the parent's list instead.
+       if (d->parent_buffer) {
+               d->parent_buffer->getLabelList(list);
                return;
        }
 
-       loadChildDocuments();
-
-       for (InsetIterator it = inset_iterator_begin(inset()); it; ++it)
-               it.nextInset()->getLabelList(list);
+       list.clear();
+       Toc & toc = d->toc_backend.toc("label");
+       TocIterator toc_it = toc.begin();
+       TocIterator end = toc.end();
+       for (; toc_it != end; ++toc_it) {
+               if (toc_it->depth() == 0)
+                       list.push_back(toc_it->str());
+       }
 }
 
 
 void Buffer::updateBibfilesCache() const
 {
-       // if this is a child document and the parent is already loaded
-       // update the parent's cache instead
-       Buffer const * tmp = masterBuffer();
-       BOOST_ASSERT(tmp);
-       if (tmp != this) {
-               tmp->updateBibfilesCache();
+       // If this is a child document, use the parent's cache instead.
+       if (d->parent_buffer) {
+               d->parent_buffer->updateBibfilesCache();
                return;
        }
 
@@ -1394,7 +1343,7 @@ void Buffer::updateBibfilesCache() const
                if (it->lyxCode() == BIBTEX_CODE) {
                        InsetBibtex const & inset =
                                static_cast<InsetBibtex const &>(*it);
-                       EmbeddedFileList const bibfiles = inset.embeddedFiles();
+                       support::FileNameList const bibfiles = inset.getBibFiles();
                        d->bibfilesCache_.insert(d->bibfilesCache_.end(),
                                bibfiles.begin(),
                                bibfiles.end());
@@ -1402,24 +1351,29 @@ void Buffer::updateBibfilesCache() const
                        InsetInclude & inset =
                                static_cast<InsetInclude &>(*it);
                        inset.updateBibfilesCache();
-                       EmbeddedFileList const & bibfiles =
+                       support::FileNameList const & bibfiles =
                                        inset.getBibfilesCache(*this);
                        d->bibfilesCache_.insert(d->bibfilesCache_.end(),
                                bibfiles.begin(),
                                bibfiles.end());
                }
        }
+       // the bibinfo cache is now invalid
+       d->bibinfoCacheValid_ = false;
 }
 
 
-EmbeddedFileList const & Buffer::getBibfilesCache() const
+void Buffer::invalidateBibinfoCache()
 {
-       // if this is a child document and the parent is already loaded
-       // use the parent's cache instead
-       Buffer const * tmp = masterBuffer();
-       BOOST_ASSERT(tmp);
-       if (tmp != this)
-               return tmp->getBibfilesCache();
+       d->bibinfoCacheValid_ = false;
+}
+
+
+support::FileNameList const & Buffer::getBibfilesCache() const
+{
+       // If this is a child document, use the parent's cache instead.
+       if (d->parent_buffer)
+               return d->parent_buffer->getBibfilesCache();
 
        // We update the cache when first used instead of at loading time.
        if (d->bibfilesCache_.empty())
@@ -1429,6 +1383,45 @@ EmbeddedFileList const & Buffer::getBibfilesCache() const
 }
 
 
+BiblioInfo const & Buffer::masterBibInfo() const
+{
+       // if this is a child document and the parent is already loaded
+       // use the parent's list instead  [ale990412]
+       Buffer const * const tmp = masterBuffer();
+       LASSERT(tmp, /**/);
+       if (tmp != this)
+               return tmp->masterBibInfo();
+       return localBibInfo();
+}
+
+
+BiblioInfo const & Buffer::localBibInfo() const
+{
+       if (d->bibinfoCacheValid_) {
+               support::FileNameList const & bibfilesCache = getBibfilesCache();
+               // compare the cached timestamps with the actual ones.
+               support::FileNameList::const_iterator ei = bibfilesCache.begin();
+               support::FileNameList::const_iterator en = bibfilesCache.end();
+               for (; ei != en; ++ ei) {
+                       time_t lastw = ei->lastModified();
+                       if (lastw != d->bibfileStatus_[*ei]) {
+                               d->bibinfoCacheValid_ = false;
+                               d->bibfileStatus_[*ei] = lastw;
+                               break;
+                       }
+               }
+       }
+
+       if (!d->bibinfoCacheValid_) {
+               d->bibinfo_.clear();
+               for (InsetIterator it = inset_iterator_begin(inset()); it; ++it)
+                       it->fillWithBibKeys(d->bibinfo_, it);
+               d->bibinfoCacheValid_ = true;
+       }
+       return d->bibinfo_;
+}
+
+
 bool Buffer::isDepClean(string const & name) const
 {
        DepClean::const_iterator const it = d->dep_clean.find(name);
@@ -1462,6 +1455,19 @@ bool Buffer::dispatch(FuncRequest const & func, bool * result)
                        break;
                }
 
+               case LFUN_BRANCH_ACTIVATE:
+               case LFUN_BRANCH_DEACTIVATE: {
+                       BranchList & branchList = params().branchlist();
+                       docstring const branchName = func.argument();
+                       Branch * branch = branchList.find(branchName);
+                       if (!branch)
+                               LYXERR0("Branch " << branchName << " does not exist.");
+                       else
+                               branch->setSelected(func.action == LFUN_BRANCH_ACTIVATE);
+                       if (result)
+                               *result = true;
+               }
+
                default:
                        dispatched = false;
        }
@@ -1471,8 +1477,8 @@ bool Buffer::dispatch(FuncRequest const & func, bool * result)
 
 void Buffer::changeLanguage(Language const * from, Language const * to)
 {
-       BOOST_ASSERT(from);
-       BOOST_ASSERT(to);
+       LASSERT(from, /**/);
+       LASSERT(to, /**/);
 
        for_each(par_iterator_begin(),
                 par_iterator_end(),
@@ -1563,9 +1569,9 @@ bool Buffer::isBakClean() const
 
 bool Buffer::isExternallyModified(CheckMethod method) const
 {
-       BOOST_ASSERT(d->filename.exists());
+       LASSERT(d->filename.exists(), /**/);
        // if method == timestamp, check timestamp before checksum
-       return (method == checksum_method 
+       return (method == checksum_method
                || d->timestamp_ != d->filename.lastModified())
                && d->checksum_ != d->filename.checksum();
 }
@@ -1673,11 +1679,17 @@ Buffer const * Buffer::masterBuffer() const
 {
        if (!d->parent_buffer)
                return this;
-       
+
        return d->parent_buffer->masterBuffer();
 }
 
 
+bool Buffer::isChild(Buffer * child) const
+{
+       return d->children_positions.find(child) != d->children_positions.end();
+}
+
+
 template<typename M>
 typename M::iterator greatest_below(M & m, typename M::key_type const & x)
 {
@@ -1689,11 +1701,11 @@ typename M::iterator greatest_below(M & m, typename M::key_type const & x)
                return m.end();
 
        it--;
-       return it;      
+       return it;
 }
 
 
-MacroData const * Buffer::getBufferMacro(docstring const & name, 
+MacroData const * Buffer::getBufferMacro(docstring const & name,
                                         DocIterator const & pos) const
 {
        LYXERR(Debug::MACROS, "Searching for " << to_ascii(name) << " at " << pos);
@@ -1705,7 +1717,7 @@ MacroData const * Buffer::getBufferMacro(docstring const & name,
        // we haven't found anything yet
        DocIterator bestPos = par_iterator_begin();
        MacroData const * bestData = 0;
-       
+
        // find macro definitions for name
        Impl::NamePositionScopeMacroMap::iterator nameIt
        = d->macros.find(name);
@@ -1724,7 +1736,7 @@ MacroData const * Buffer::getBufferMacro(docstring const & name,
                                        bestData = &it->second.second;
                                        break;
                                }
-                               
+
                                // try previous macro if there is one
                                if (it == nameIt->second.begin())
                                        break;
@@ -1764,7 +1776,7 @@ MacroData const * Buffer::getBufferMacro(docstring const & name,
                        break;
                --it;
        }
-               
+
        // return the best macro we have found
        return bestData;
 }
@@ -1774,7 +1786,7 @@ MacroData const * Buffer::getMacro(docstring const & name,
        DocIterator const & pos, bool global) const
 {
        if (d->macro_lock)
-               return 0;       
+               return 0;
 
        // query buffer macros
        MacroData const * data = getBufferMacro(name, pos);
@@ -1784,8 +1796,8 @@ MacroData const * Buffer::getMacro(docstring const & name,
        // If there is a master buffer, query that
        if (d->parent_buffer) {
                d->macro_lock = true;
-               MacroData const * macro
-               = d->parent_buffer->getMacro(name, *this, false);
+               MacroData const * macro = d->parent_buffer->getMacro(
+                       name, *this, false);
                d->macro_lock = false;
                if (macro)
                        return macro;
@@ -1811,11 +1823,11 @@ MacroData const * Buffer::getMacro(docstring const & name, bool global) const
 }
 
 
-MacroData const * Buffer::getMacro(docstring const & name, Buffer const & child, bool global) const
+MacroData const * Buffer::getMacro(docstring const & name,
+       Buffer const & child, bool global) const
 {
        // look where the child buffer is included first
-       Impl::BufferPositionMap::iterator it
-       = d->children_positions.find(&child);
+       Impl::BufferPositionMap::iterator it = d->children_positions.find(&child);
        if (it == d->children_positions.end())
                return 0;
 
@@ -1824,80 +1836,65 @@ MacroData const * Buffer::getMacro(docstring const & name, Buffer const & child,
 }
 
 
-void Buffer::updateEnvironmentMacros(DocIterator & it, 
-                                    pit_type lastpit, 
-                                    DocIterator & scope) const
+void Buffer::updateMacros(DocIterator & it, DocIterator & scope) const
 {
-       Paragraph & par = it.paragraph();
-       depth_type depth 
-       = par.params().depth();
-       Length const & leftIndent
-       = par.params().leftIndent();
+       pit_type lastpit = it.lastpit();
 
        // look for macros in each paragraph
        while (it.pit() <= lastpit) {
                Paragraph & par = it.paragraph();
 
-               // increased depth?
-               if ((par.params().depth() > depth
-                    || par.params().leftIndent() != leftIndent)
-                   && par.layout()->isEnvironment()) {
-                       updateBlockMacros(it, scope);
-                       continue;
-               }
-
                // iterate over the insets of the current paragraph
                InsetList const & insets = par.insetList();
                InsetList::const_iterator iit = insets.begin();
                InsetList::const_iterator end = insets.end();
                for (; iit != end; ++iit) {
                        it.pos() = iit->pos;
-                       
+
                        // is it a nested text inset?
                        if (iit->inset->asInsetText()) {
                                // Inset needs its own scope?
-                               InsetText const * itext 
+                               InsetText const * itext
                                = iit->inset->asInsetText();
                                bool newScope = itext->isMacroScope();
 
-                               // scope which ends just behind the inset       
+                               // scope which ends just behind the inset
                                DocIterator insetScope = it;
                                ++insetScope.pos();
 
                                // collect macros in inset
                                it.push_back(CursorSlice(*iit->inset));
-                               updateInsetMacros(it, newScope ? insetScope : scope);
+                               updateMacros(it, newScope ? insetScope : scope);
                                it.pop_back();
                                continue;
                        }
-                                             
+
                        // is it an external file?
                        if (iit->inset->lyxCode() == INCLUDE_CODE) {
                                // get buffer of external file
-                               InsetCommand const & inset 
-                               = static_cast<InsetCommand const &>(*iit->inset);
+                               InsetCommand const & inset
+                                       = static_cast<InsetCommand const &>(*iit->inset);
                                InsetCommandParams const & ip = inset.params();
                                d->macro_lock = true;
                                Buffer * child = loadIfNeeded(*this, ip);
                                d->macro_lock = false;
                                if (!child)
-                                       continue;                               
+                                       continue;
 
                                // register its position, but only when it is
                                // included first in the buffer
                                if (d->children_positions.find(child)
-                                   == d->children_positions.end())
+                                       == d->children_positions.end())
                                        d->children_positions[child] = it;
-                                                                                               
+
                                // register child with its scope
                                d->position_to_children[it] = Impl::ScopeBuffer(scope, child);
-
                                continue;
                        }
 
                        if (iit->inset->lyxCode() != MATHMACRO_CODE)
                                continue;
-                       
+
                        // get macro data
                        MathMacroTemplate & macroTemplate
                        = static_cast<MathMacroTemplate &>(*iit->inset);
@@ -1913,8 +1910,8 @@ void Buffer::updateEnvironmentMacros(DocIterator & it,
                                continue;
 
                        // register macro
-                       d->macros[macroTemplate.name()][it] 
-                       = Impl::ScopeMacro(scope, MacroData(*this, it));
+                       d->macros[macroTemplate.name()][it] =
+                               Impl::ScopeMacro(scope, MacroData(*this, it));
                }
 
                // next paragraph
@@ -1924,48 +1921,6 @@ void Buffer::updateEnvironmentMacros(DocIterator & it,
 }
 
 
-void Buffer::updateBlockMacros(DocIterator & it, DocIterator & scope) const
-{
-       Paragraph & par = it.paragraph();
-               
-       // set scope for macros in this paragraph:
-       // * either the "old" outer scope
-       // * or the scope ending after the environment
-       if (par.layout()->isEnvironment()) {
-               // find end of environment block,
-               DocIterator envEnd = it;
-               pit_type n = it.lastpit() + 1;
-               depth_type depth = par.params().depth();
-               Length const & length = par.params().leftIndent();
-               // looping through the paragraph, basically until
-               // the layout changes or the depth gets smaller.
-               // (the logic of output_latex.cpp's TeXEnvironment)
-               do {
-                       envEnd.pit()++;
-                       if (envEnd.pit() == n)
-                               break;
-               } while (par.layout() == envEnd.paragraph().layout()
-                        || depth < envEnd.paragraph().params().depth()
-                        || length != envEnd.paragraph().params().leftIndent());               
-               
-               // collect macros from environment block
-               updateEnvironmentMacros(it, envEnd.pit() - 1, envEnd);
-       } else {
-               // collect macros from paragraph
-               updateEnvironmentMacros(it, it.pit(), scope);
-       }
-}
-
-
-void Buffer::updateInsetMacros(DocIterator & it, DocIterator & scope) const
-{
-       // look for macros in each paragraph
-       pit_type n = it.lastpit() + 1;
-       while (it.pit() < n)
-               updateBlockMacros(it, scope);       
-}
-
-
 void Buffer::updateMacros() const
 {
        if (d->macro_lock)
@@ -1985,7 +1940,7 @@ void Buffer::updateMacros() const
        DocIterator it = par_iterator_begin();
        DocIterator outerScope = it;
        outerScope.pit() = outerScope.lastpit() + 2;
-       updateInsetMacros(it, outerScope);
+       updateMacros(it, outerScope);
 }
 
 
@@ -2022,20 +1977,16 @@ void Buffer::listMacroNames(MacroNameSet & macros) const
                return;
 
        d->macro_lock = true;
-       
+
        // loop over macro names
-       Impl::NamePositionScopeMacroMap::iterator nameIt
-       = d->macros.begin();
-       Impl::NamePositionScopeMacroMap::iterator nameEnd
-       = d->macros.end();
+       Impl::NamePositionScopeMacroMap::iterator nameIt = d->macros.begin();
+       Impl::NamePositionScopeMacroMap::iterator nameEnd = d->macros.end();
        for (; nameIt != nameEnd; ++nameIt)
                macros.insert(nameIt->first);
 
        // loop over children
-       Impl::BufferPositionMap::iterator it
-       = d->children_positions.begin();        
-       Impl::BufferPositionMap::iterator end
-       = d->children_positions.end();
+       Impl::BufferPositionMap::iterator it = d->children_positions.begin();
+       Impl::BufferPositionMap::iterator end = d->children_positions.end();
        for (; it != end; ++it)
                it->first->listMacroNames(macros);
 
@@ -2043,28 +1994,34 @@ void Buffer::listMacroNames(MacroNameSet & macros) const
        if (d->parent_buffer)
                d->parent_buffer->listMacroNames(macros);
 
-       d->macro_lock = false;  
+       d->macro_lock = false;
 }
 
 
-void Buffer::writeParentMacros(odocstream & os) const
+void Buffer::listParentMacros(MacroSet & macros, LaTeXFeatures & features) const
 {
        if (!d->parent_buffer)
                return;
 
-       // collect macro names
        MacroNameSet names;
        d->parent_buffer->listMacroNames(names);
 
-       // resolve and output them
+       // resolve macros
        MacroNameSet::iterator it = names.begin();
        MacroNameSet::iterator end = names.end();
        for (; it != end; ++it) {
                // defined?
-               MacroData const * data = 
+               MacroData const * data =
                d->parent_buffer->getMacro(*it, *this, false);
-               if (data)
-                       data->write(os, true);  
+               if (data) {
+                       macros.insert(data);
+
+                       // we cannot access the original MathMacroTemplate anymore
+                       // here to calls validate method. So we do its work here manually.
+                       // FIXME: somehow make the template accessible here.
+                       if (data->optionals() > 0)
+                               features.require("xargs");
+               }
        }
 }
 
@@ -2080,7 +2037,8 @@ Buffer::References & Buffer::references(docstring const & label)
 
        static InsetLabel const * dummy_il = 0;
        static References const dummy_refs;
-       it = d->ref_cache_.insert(make_pair(label, make_pair(dummy_il, dummy_refs))).first;
+       it = d->ref_cache_.insert(
+               make_pair(label, make_pair(dummy_il, dummy_refs))).first;
        return it->second.second;
 }
 
@@ -2114,25 +2072,18 @@ void Buffer::changeRefsIfUnique(docstring const & from, docstring const & to,
        InsetCode code)
 {
        //FIXME: This does not work for child documents yet.
-       BOOST_ASSERT(code == CITE_CODE || code == REF_CODE);
+       LASSERT(code == CITE_CODE, /**/);
        // Check if the label 'from' appears more than once
        vector<docstring> labels;
-
        string paramName;
-       if (code == CITE_CODE) {
-               BiblioInfo keys;
-               keys.fillWithBibKeys(this);
-               BiblioInfo::const_iterator bit  = keys.begin();
-               BiblioInfo::const_iterator bend = keys.end();
+       BiblioInfo const & keys = masterBibInfo();
+       BiblioInfo::const_iterator bit  = keys.begin();
+       BiblioInfo::const_iterator bend = keys.end();
 
-               for (; bit != bend; ++bit)
-                       // FIXME UNICODE
-                       labels.push_back(bit->first);
-               paramName = "key";
-       } else {
-               getLabelList(labels);
-               paramName = "reference";
-       }
+       for (; bit != bend; ++bit)
+               // FIXME UNICODE
+               labels.push_back(bit->first);
+       paramName = "key";
 
        if (count(labels.begin(), labels.end(), from) > 1)
                return;
@@ -2149,7 +2100,7 @@ void Buffer::changeRefsIfUnique(docstring const & from, docstring const & to,
 
 
 void Buffer::getSourceCode(odocstream & os, pit_type par_begin,
-       pit_type par_end, bool full_source)
+       pit_type par_end, bool full_source) const
 {
        OutputParams runparams(&params().encoding());
        runparams.nice = true;
@@ -2165,31 +2116,30 @@ void Buffer::getSourceCode(odocstream & os, pit_type par_begin,
                d->texrow.newline();
                if (isLatex())
                        writeLaTeXSource(os, filePath(), runparams, true, true);
-               else {
+               else
                        writeDocBookSource(os, absFileName(), runparams, false);
-               }
        } else {
                runparams.par_begin = par_begin;
                runparams.par_end = par_end;
-               if (par_begin + 1 == par_end)
+               if (par_begin + 1 == par_end) {
                        os << "% "
                           << bformat(_("Preview source code for paragraph %1$d"), par_begin)
                           << "\n\n";
-               else
+               } else {
                        os << "% "
                           << bformat(_("Preview source code from paragraph %1$s to %2$s"),
                                        convert<docstring>(par_begin),
                                        convert<docstring>(par_end - 1))
                           << "\n\n";
+               }
                d->texrow.newline();
                d->texrow.newline();
                // output paragraphs
-               if (isLatex()) {
+               if (isLatex())
                        latexParagraphs(*this, text(), os, d->texrow, runparams);
-               } else {
+               else
                        // DocBook
                        docbookParagraphs(paragraphs(), *this, os, runparams);
-               }
        }
 }
 
@@ -2205,6 +2155,14 @@ ErrorList & Buffer::errorList(string const & type) const
 }
 
 
+void Buffer::updateTocItem(std::string const & type,
+       DocIterator const & dit) const
+{
+       if (gui_)
+               gui_->updateTocItem(type, dit);
+}
+
+
 void Buffer::structureChanged() const
 {
        if (gui_)
@@ -2276,7 +2234,7 @@ public:
        ///
        int start()
        {
-               command_ = to_utf8(bformat(_("Auto-saving %1$s"), 
+               command_ = to_utf8(bformat(_("Auto-saving %1$s"),
                                                 from_utf8(fname_.absFilename())));
                return run(DontWait);
        }
@@ -2359,52 +2317,14 @@ void Buffer::autoSave() const
 }
 
 
-void Buffer::resetChildDocuments(bool close_them) const
-{
-       if (text().empty())
-               return;
-
-       for (InsetIterator it = inset_iterator_begin(inset()); it; ++it) {
-               if (it->lyxCode() != INCLUDE_CODE)
-                       continue;
-               InsetCommand const & inset = static_cast<InsetCommand const &>(*it);
-               InsetCommandParams const & ip = inset.params();
-
-               resetParentBuffer(this, ip, close_them);
-       }
-
-       // clear references to children in macro tables
-       d->children_positions.clear();
-       d->position_to_children.clear();
-}
-
-
-void Buffer::loadChildDocuments() const
-{
-       bool parse_error = false;
-               
-       for (InsetIterator it = inset_iterator_begin(inset()); it; ++it) {
-               if (it->lyxCode() != INCLUDE_CODE)
-                       continue;
-               InsetCommand const & inset = static_cast<InsetCommand const &>(*it);
-               InsetCommandParams const & ip = inset.params();
-               Buffer * child = loadIfNeeded(*this, ip);
-               if (!child)
-                       continue;
-               parse_error |= !child->errorList("Parse").empty();
-               child->loadChildDocuments();
-       }
-
-       updateMacros();
-}
-
-
 string Buffer::bufferFormat() const
 {
        if (isDocBook())
                return "docbook";
        if (isLiterate())
                return "literate";
+       if (params().encoding().package() == Encoding::japanese)
+               return "platex";
        return "latex";
 }
 
@@ -2480,11 +2400,12 @@ bool Buffer::doExport(string const & format, bool put_in_tempdir,
 
        string const error_type = (format == "program")
                ? "Build" : bufferFormat();
+       ErrorList & error_list = d->errorLists[error_type];
        string const ext = formats.extension(format);
        FileName const tmp_result_file(changeExtension(filename, ext));
        bool const success = theConverters().convert(this, FileName(filename),
                tmp_result_file, FileName(absFileName()), backend_format, format,
-               errorList(error_type));
+               error_list);
        // Emit the signal to show the error list.
        if (format != backend_format)
                errors(error_type);
@@ -2707,4 +2628,5 @@ void Buffer::bufferErrors(TeXErrors const & terr, ErrorList & errorList) const
        }
 }
 
+
 } // namespace lyx