]> git.lyx.org Git - lyx.git/blobdiff - src/Buffer.cpp
make frontend::Application a bit slimmer
[lyx.git] / src / Buffer.cpp
index 07bd856fc1ebef04edb47b07ec833451ec1d470f..95920be88877c04b2fb1c9cf4d8c1887c5ea1c3a 100644 (file)
@@ -4,6 +4,7 @@
  * Licence details can be found in the file COPYING.
  *
  * \author Lars Gullik Bjønnes
+ * \author Stefan Schimanski
  *
  * Full author contact details are available in file CREDITS.
  */
@@ -24,6 +25,7 @@
 #include "Counters.h"
 #include "debug.h"
 #include "DocIterator.h"
+#include "EmbeddedFiles.h"
 #include "Encoding.h"
 #include "ErrorList.h"
 #include "Exporter.h"
 #include "InsetIterator.h"
 #include "InsetList.h"
 #include "Language.h"
-#include "LaTeX.h"
 #include "LaTeXFeatures.h"
+#include "LaTeX.h"
 #include "Layout.h"
-#include "LyXAction.h"
 #include "Lexer.h"
-#include "Text.h"
+#include "LyXAction.h"
 #include "LyX.h"
 #include "LyXRC.h"
 #include "LyXVC.h"
-#include "Messages.h"
-#include "output.h"
 #include "output_docbook.h"
+#include "output.h"
 #include "output_latex.h"
 #include "output_plaintext.h"
-#include "Paragraph.h"
 #include "paragraph_funcs.h"
+#include "Paragraph.h"
 #include "ParagraphParameters.h"
 #include "ParIterator.h"
+#include "PDFOptions.h"
 #include "Session.h"
 #include "sgml.h"
 #include "TexRow.h"
-#include "TextClassList.h"
 #include "TexStream.h"
+#include "TextClassList.h"
+#include "Text.h"
 #include "TocBackend.h"
 #include "Undo.h"
+#include "VCBackend.h"
 #include "version.h"
-#include "EmbeddedFiles.h"
-#include "PDFOptions.h"
 
 #include "insets/InsetBibitem.h"
 #include "insets/InsetBibtex.h"
 #include "insets/InsetInclude.h"
 #include "insets/InsetText.h"
 
-#include "mathed/MathMacroTemplate.h"
 #include "mathed/MacroTable.h"
+#include "mathed/MathMacroTemplate.h"
 #include "mathed/MathSupport.h"
 
 #include "frontends/alert.h"
@@ -83,8 +84,8 @@
 #include "support/FileFilterList.h"
 #include "support/filetools.h"
 #include "support/Forkedcall.h"
-#include "support/fs_extras.h"
 #include "support/gzstream.h"
+#include "support/lstrings.h"
 #include "support/lyxlib.h"
 #include "support/os.h"
 #include "support/Path.h"
@@ -96,8 +97,6 @@
 #endif
 
 #include <boost/bind.hpp>
-#include <boost/filesystem/exception.hpp>
-#include <boost/filesystem/operations.hpp>
 #include <boost/shared_ptr.hpp>
 
 #include <algorithm>
@@ -151,11 +150,10 @@ using support::suffixIs;
 
 namespace Alert = frontend::Alert;
 namespace os = support::os;
-namespace fs = boost::filesystem;
 
 namespace {
 
-int const LYX_FORMAT = 295; //Uwe: htmlurl, href
+int const LYX_FORMAT = 299; // Uwe: Hyperlink types
 
 } // namespace anon
 
@@ -199,12 +197,14 @@ public:
        /// our Text that should be wrapped in an InsetText
        InsetText inset;
 
-       ///
-       MacroTable macros;
-
        ///
        TocBackend toc_backend;
 
+       /// macro table
+       typedef std::map<unsigned int, MacroData, std::greater<int> > PositionToMacroMap;
+       typedef std::map<docstring, PositionToMacroMap> NameToPositionMacroMap;
+       NameToPositionMacroMap macros;
+
        /// Container for all sort of Buffer dependant errors.
        map<string, ErrorList> errorLists;
 
@@ -246,13 +246,13 @@ Buffer::Impl::Impl(Buffer & parent, FileName const & file, bool readonly_)
 Buffer::Buffer(string const & file, bool readonly)
        : pimpl_(new Impl(*this, FileName(file), readonly)), gui_(0)
 {
-       LYXERR(Debug::INFO) << "Buffer::Buffer()" << endl;
+       LYXERR(Debug::INFO, "Buffer::Buffer()");
 }
 
 
 Buffer::~Buffer()
 {
-       LYXERR(Debug::INFO) << "Buffer::~Buffer()" << endl;
+       LYXERR(Debug::INFO, "Buffer::~Buffer()");
        // here the buffer should take care that it is
        // saved properly, before it goes into the void.
 
@@ -397,12 +397,15 @@ string Buffer::latexName(bool const no_path) const
 }
 
 
-pair<Buffer::LogType, string> Buffer::logName() const
+string Buffer::logName(LogType * type) const
 {
        string const filename = latexName(false);
 
-       if (filename.empty())
-               return make_pair(Buffer::latexlog, string());
+       if (filename.empty()) {
+               if (type)
+                       *type = latexlog;
+               return string();
+       }
 
        string const path = temppath();
 
@@ -418,11 +421,15 @@ pair<Buffer::LogType, string> Buffer::logName() const
 
        if (bname.exists() &&
            (!fname.exists() || fname.lastModified() < bname.lastModified())) {
-               LYXERR(Debug::FILES) << "Log name calculated as: " << bname << endl;
-               return make_pair(Buffer::buildlog, bname.absFilename());
+               LYXERR(Debug::FILES, "Log name calculated as: " << bname);
+               if (type)
+                       *type = buildlog;
+               return bname.absFilename();
        }
-       LYXERR(Debug::FILES) << "Log name calculated as: " << fname << endl;
-       return make_pair(Buffer::latexlog, fname.absFilename());
+       LYXERR(Debug::FILES, "Log name calculated as: " << fname);
+       if (type)
+                       *type = latexlog;
+       return fname.absFilename();
 }
 
 
@@ -430,7 +437,7 @@ void Buffer::setReadonly(bool const flag)
 {
        if (pimpl_->read_only != flag) {
                pimpl_->read_only = flag;
-               readonly(flag);
+               setReadOnly(flag);
        }
 }
 
@@ -491,8 +498,8 @@ int Buffer::readHeader(Lexer & lex)
                        continue;
                }
 
-               LYXERR(Debug::PARSER) << "Handling document header token: `"
-                                     << token << '\'' << endl;
+               LYXERR(Debug::PARSER, "Handling document header token: `"
+                                     << token << '\'');
 
                string unknown = params().readToken(lex, token);
                if (!unknown.empty()) {
@@ -569,8 +576,6 @@ bool Buffer::readDocument(Lexer & lex)
                                         "\\lyxadded and \\lyxdeleted in the LaTeX preamble."));
                }
        }
-       // read manifest after header
-       embeddedFiles().readManifest(lex, errorList);   
 
        // read main text
        bool const res = text().read(*this, lex, errorList);
@@ -671,7 +676,7 @@ bool Buffer::readFile(FileName const & filename)
        string format = filename.guessFormatFromContents();
        if (format == "zip") {
                // decompress to a temp directory
-               LYXERR(Debug::FILES) << filename << " is in zip format. Unzip to " << temppath() << endl;
+               LYXERR(Debug::FILES, filename << " is in zip format. Unzip to " << temppath());
                ::unzipToDir(filename.toFilesystemEncoding(), temppath());
                //
                FileName lyxfile(addName(temppath(), "content.lyx"));
@@ -757,7 +762,7 @@ Buffer::ReadStatus Buffer::readFile(Lexer & lex, FileName const & filename,
                // Save the timestamp and checksum of disk file. If filename is an
                // emergency file, save the timestamp and sum of the original lyx file
                // because isExternallyModified will check for this file. (BUG4193)
-               string diskfile = filename.toFilesystemEncoding();
+               string diskfile = filename.absFilename();
                if (suffixIs(diskfile, ".emergency"))
                        diskfile = diskfile.substr(0, diskfile.size() - 10);
                saveCheckSum(FileName(diskfile));
@@ -797,9 +802,7 @@ Buffer::ReadStatus Buffer::readFile(Lexer & lex, FileName const & filename,
                        << ' ' << quoteName(filename.toFilesystemEncoding());
                string const command_str = command.str();
 
-               LYXERR(Debug::INFO) << "Running '"
-                                   << command_str << '\''
-                                   << endl;
+               LYXERR(Debug::INFO, "Running '" << command_str << '\'');
 
                cmd_ret const ret = runCommand(command_str);
                if (ret.first != 0) {
@@ -824,10 +827,6 @@ Buffer::ReadStatus Buffer::readFile(Lexer & lex, FileName const & filename,
                                       from_utf8(filename.absFilename())));
        }
 
-       //lyxerr << "removing " << MacroTable::localMacros().size()
-       //      << " temporary macro entries" << endl;
-       //MacroTable::localMacros().clear();
-
        pimpl_->file_fully_loaded = true;
        return success;
 }
@@ -845,26 +844,28 @@ bool Buffer::save() const
        bool madeBackup = false;
 
        // make a backup if the file already exists
-       if (lyxrc.make_backup && fs::exists(encodedFilename)) {
+       if (lyxrc.make_backup && fileName().exists()) {
                backupName = FileName(absFileName() + '~');
-               if (!lyxrc.backupdir_path.empty())
+               if (!lyxrc.backupdir_path.empty()) {
+                       string const mangledName =
+                               subst(subst(os::internal_path(
+                               backupName.absFilename()), '/', '!'), ':', '!');
                        backupName = FileName(addName(lyxrc.backupdir_path,
-                                             subst(os::internal_path(backupName.absFilename()), '/', '!')));
-
-               try {
-                       fs::copy_file(encodedFilename, backupName.toFilesystemEncoding(), false);
+                                                     mangledName));
+               }
+               if (fileName().copyTo(backupName, false)) {
                        madeBackup = true;
-               } catch (fs::filesystem_error const & fe) {
+               } else {
                        Alert::error(_("Backup failure"),
                                     bformat(_("Cannot create backup file %1$s.\n"
                                               "Please check whether the directory exists and is writeable."),
                                             from_utf8(backupName.absFilename())));
-                       LYXERR(Debug::DEBUG) << "Fs error: " << fe.what() << endl;
+                       //LYXERR(Debug::DEBUG, "Fs error: " << fe.what());
                }
        }
 
        // ask if the disk file has been externally modified (use checksum method)
-       if (fs::exists(encodedFilename) && isExternallyModified(checksum_method)) {
+       if (fileName().exists() && isExternallyModified(checksum_method)) {
                docstring const file = makeDisplayPath(absFileName(), 20);
                docstring text = bformat(_("Document %1$s has been externally modified. Are you sure "
                                                             "you want to overwrite this file?"), file);
@@ -946,7 +947,7 @@ bool Buffer::write(ostream & ofs) const
        AuthorList::Authors::const_iterator a_it = params().authors().begin();
        AuthorList::Authors::const_iterator a_end = params().authors().end();
        for (; a_it != a_end; ++a_it)
-               a_it->second.used(false);
+               a_it->second.setUsed(false);
 
        ParIterator const end = par_iterator_end();
        ParIterator it = par_iterator_begin();
@@ -958,12 +959,6 @@ bool Buffer::write(ostream & ofs) const
        params().writeFile(ofs);
        ofs << "\\end_header\n";
 
-       // write the manifest after header
-       ofs << "\n\\begin_manifest\n";
-       pimpl_->embedded_files.update();
-       embeddedFiles().writeManifest(ofs);
-       ofs << "\\end_manifest\n";
-
        // write the text
        ofs << "\n\\begin_body\n";
        text().write(*this, ofs);
@@ -999,8 +994,7 @@ bool Buffer::makeLaTeXFile(FileName const & fname,
                           bool output_preamble, bool output_body)
 {
        string const encoding = runparams.encoding->iconvName();
-       LYXERR(Debug::LATEX) << "makeLaTeXFile encoding: "
-               << encoding << "..." << endl;
+       LYXERR(Debug::LATEX, "makeLaTeXFile encoding: " << encoding << "...");
 
        odocfstream ofs(encoding);
        if (!openFileWrite(ofs, fname))
@@ -1053,10 +1047,10 @@ void Buffer::writeLaTeXSource(odocstream & os,
        OutputParams runparams = runparams_in;
 
        // validate the buffer.
-       LYXERR(Debug::LATEX) << "  Validating buffer..." << endl;
+       LYXERR(Debug::LATEX, "  Validating buffer...");
        LaTeXFeatures features(*this, params(), runparams);
        validate(features);
-       LYXERR(Debug::LATEX) << "  Buffer validation done." << endl;
+       LYXERR(Debug::LATEX, "  Buffer validation done.");
 
        // The starting paragraph of the coming rows is the
        // first paragraph of the document. (Asger)
@@ -1068,7 +1062,7 @@ void Buffer::writeLaTeXSource(odocstream & os,
                texrow().newline();
                texrow().newline();
        }
-       LYXERR(Debug::INFO) << "lyx document header finished" << endl;
+       LYXERR(Debug::INFO, "lyx document header finished");
        // 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
@@ -1112,7 +1106,7 @@ void Buffer::writeLaTeXSource(odocstream & os,
 
        texrow().start(paragraphs().begin()->id(), 0);
        
-       LYXERR(Debug::INFO) << "preamble finished, now the body." << endl;
+       LYXERR(Debug::INFO, "preamble finished, now the body.");
 
        if (!lyxrc.language_auto_begin &&
            !params().language->babel().empty()) {
@@ -1176,20 +1170,17 @@ void Buffer::writeLaTeXSource(odocstream & os,
        if (output_preamble) {
                os << "\\end{document}\n";
                texrow().newline();
-
-               LYXERR(Debug::LATEX) << "makeLaTeXFile...done" << endl;
+               LYXERR(Debug::LATEX, "makeLaTeXFile...done");
        } else {
-               LYXERR(Debug::LATEX) << "LaTeXFile for inclusion made."
-                                    << endl;
+               LYXERR(Debug::LATEX, "LaTeXFile for inclusion made.");
        }
        runparams_in.encoding = runparams.encoding;
 
        // Just to be sure. (Asger)
        texrow().newline();
 
-       LYXERR(Debug::INFO) << "Finished making LaTeX file." << endl;
-       LYXERR(Debug::INFO) << "Row count was " << texrow().rows() - 1
-                           << '.' << endl;
+       LYXERR(Debug::INFO, "Finished making LaTeX file.");
+       LYXERR(Debug::INFO, "Row count was " << texrow().rows() - 1 << '.');
 }
 
 
@@ -1215,7 +1206,7 @@ void Buffer::makeDocBookFile(FileName const & fname,
                              OutputParams const & runparams,
                              bool const body_only)
 {
-       LYXERR(Debug::LATEX) << "makeDocBookFile..." << endl;
+       LYXERR(Debug::LATEX, "makeDocBookFile...");
 
        //ofstream ofs;
        odocfstream ofs;
@@ -1309,14 +1300,14 @@ void Buffer::writeDocBookSource(odocstream & os, string const & fname,
 // Other flags: -wall -v0 -x
 int Buffer::runChktex()
 {
-       busy(true);
+       setBusy(true);
 
        // get LaTeX-Filename
        FileName const path(temppath());
        string const name = addName(path.absFilename(), latexName());
        string const org_path = filePath();
 
-       support::Path p(path); // path to LaTeX file
+       support::PathChanger p(path); // path to LaTeX file
        message(_("Running chktex..."));
 
        // Generate the LaTeX file if neccessary
@@ -1333,14 +1324,12 @@ int Buffer::runChktex()
                Alert::error(_("chktex failure"),
                             _("Could not run chktex successfully."));
        } else if (res > 0) {
-               ErrorList & errorList = pimpl_->errorLists["ChkTeX"];
-               // Clear out old errors
-               errorList.clear();
-               // Fill-in the error list with the TeX errors
-               bufferErrors(*this, terr, errorList);
+               ErrorList & errlist = pimpl_->errorLists["ChkTeX"];
+               errlist.clear();
+               bufferErrors(terr, errlist);
        }
 
-       busy(false);
+       setBusy(false);
 
        errors("ChkTeX");
 
@@ -1700,6 +1689,12 @@ void Buffer::markDirty()
 }
 
 
+FileName Buffer::fileName() const
+{
+       return pimpl_->filename;
+}
+
+
 string Buffer::absFileName() const
 {
        return pimpl_->filename.absFilename();
@@ -1731,7 +1726,7 @@ void Buffer::setParentName(string const & name)
 Buffer const * Buffer::masterBuffer() const
 {
        if (!params().parentname.empty()
-           && theBufferList().exists(params().parentname)) {
+               && theBufferList().exists(params().parentname)) {
                Buffer const * buf = theBufferList().getBuffer(params().parentname);
                //We need to check if the parent is us...
                //FIXME RECURSIVE INCLUDE
@@ -1760,44 +1755,104 @@ Buffer * Buffer::masterBuffer()
 }
 
 
-MacroData const & Buffer::getMacro(docstring const & name) const
+bool Buffer::hasMacro(docstring const & name, Paragraph const & par) const
 {
-       return pimpl_->macros.get(name);
+       Impl::PositionToMacroMap::iterator it;
+       it = pimpl_->macros[name].upper_bound(par.macrocontextPosition());
+       if (it != pimpl_->macros[name].end())
+               return true;
+
+       // If there is a master buffer, query that
+       const Buffer * master = masterBuffer();
+       if (master && master != this)
+               return master->hasMacro(name);
+
+       return MacroTable::globalMacros().has(name);
 }
 
 
 bool Buffer::hasMacro(docstring const & name) const
 {
-       return pimpl_->macros.has(name);
+       if( !pimpl_->macros[name].empty() )
+               return true;
+
+       // If there is a master buffer, query that
+       const Buffer * master = masterBuffer();
+       if (master && master != this)
+               return master->hasMacro(name);
+
+       return MacroTable::globalMacros().has(name);
+}
+
+
+MacroData const & Buffer::getMacro(docstring const & name,
+       Paragraph const & par) const
+{
+       Impl::PositionToMacroMap::iterator it;
+       it = pimpl_->macros[name].upper_bound(par.macrocontextPosition());
+       if( it != pimpl_->macros[name].end() )
+               return it->second;
+
+       // If there is a master buffer, query that
+       const Buffer * master = masterBuffer();
+       if (master && master != this)
+               return master->getMacro(name);
+
+       return MacroTable::globalMacros().get(name);
 }
 
 
-void Buffer::insertMacro(docstring const & name, MacroData const & data)
+MacroData const & Buffer::getMacro(docstring const & name) const
 {
-       MacroTable::globalMacros().insert(name, data);
-       pimpl_->macros.insert(name, data);
+       Impl::PositionToMacroMap::iterator it;
+       it = pimpl_->macros[name].begin();
+       if( it != pimpl_->macros[name].end() )
+               return it->second;
+
+       // If there is a master buffer, query that
+       const Buffer * master = masterBuffer();
+       if (master && master != this)
+               return master->getMacro(name);
+
+       return MacroTable::globalMacros().get(name);
 }
 
 
-void Buffer::buildMacros()
+void Buffer::updateMacros()
 {
-       // Start with global table.
-       pimpl_->macros = MacroTable::globalMacros();
+       // start with empty table
+       pimpl_->macros = Impl::NameToPositionMacroMap();
 
-       // Now add our own.
-       ParagraphList const & pars = text().paragraphs();
+       // Iterate over buffer
+       ParagraphList & pars = text().paragraphs();
        for (size_t i = 0, n = pars.size(); i != n; ++i) {
+               // set position again
+               pars[i].setMacrocontextPosition(i);
+
                //lyxerr << "searching main par " << i
                //      << " for macro definitions" << std::endl;
                InsetList const & insets = pars[i].insetList();
                InsetList::const_iterator it = insets.begin();
                InsetList::const_iterator end = insets.end();
                for ( ; it != end; ++it) {
-                       //lyxerr << "found inset code " << it->inset->lyxCode() << std::endl;
-                       if (it->inset->lyxCode() == MATHMACRO_CODE) {
-                               MathMacroTemplate const & mac
-                                       = static_cast<MathMacroTemplate const &>(*it->inset);
-                               insertMacro(mac.name(), mac.asMacroData());
+                       if (it->inset->lyxCode() != MATHMACRO_CODE)
+                               continue;
+                       
+                       // get macro data
+                       MathMacroTemplate const & macroTemplate
+                       = static_cast<MathMacroTemplate const &>(*it->inset);
+
+                       // valid?
+                       if (macroTemplate.validMacro()) {
+                               MacroData macro = macroTemplate.asMacroData();
+
+                               // redefinition?
+                               // call hasMacro here instead of directly querying mc to
+                               // also take the master document into consideration
+                               macro.setRedefinition(hasMacro(macroTemplate.name()));
+
+                               // register macro (possibly overwrite the previous one of this paragraph)
+                               pimpl_->macros[macroTemplate.name()][i] = macro;
                        }
                }
        }
@@ -1812,6 +1867,7 @@ void Buffer::changeRefsIfUnique(docstring const & from, docstring const & to,
        // Check if the label 'from' appears more than once
        vector<docstring> labels;
 
+       string paramName;
        if (code == CITE_CODE) {
                BiblioInfo keys;
                keys.fillWithBibKeys(this);
@@ -1821,8 +1877,11 @@ void Buffer::changeRefsIfUnique(docstring const & from, docstring const & to,
                for (; bit != bend; ++bit)
                        // FIXME UNICODE
                        labels.push_back(bit->first);
-       } else
+               paramName = "key";
+       } else {
                getLabelList(labels);
+               paramName = "reference";
+       }
 
        if (std::count(labels.begin(), labels.end(), from) > 1)
                return;
@@ -1830,7 +1889,9 @@ void Buffer::changeRefsIfUnique(docstring const & from, docstring const & to,
        for (InsetIterator it = inset_iterator_begin(inset()); it; ++it) {
                if (it->lyxCode() == code) {
                        InsetCommand & inset = static_cast<InsetCommand &>(*it);
-                       inset.replaceContents(to_utf8(from), to_utf8(to));
+                       docstring const oldValue = inset.getParam(paramName);
+                       if (oldValue == from)
+                               inset.setParam(paramName, to);
                }
        }
 }
@@ -1906,13 +1967,6 @@ void Buffer::structureChanged() const
 }
 
 
-void Buffer::embeddingChanged() const
-{
-       if (gui_)
-               gui_->embeddingChanged();
-}
-
-
 void Buffer::errors(std::string const & err) const
 {
        if (gui_)
@@ -1927,24 +1981,24 @@ void Buffer::message(docstring const & msg) const
 }
 
 
-void Buffer::busy(bool on) const
+void Buffer::setBusy(bool on) const
 {
        if (gui_)
-               gui_->busy(on);
+               gui_->setBusy(on);
 }
 
 
-void Buffer::readonly(bool on) const
+void Buffer::setReadOnly(bool on) const
 {
-       if (gui_)
-               gui_->readonly(on);
+       if (pimpl_->wa_)
+               pimpl_->wa_->setReadOnly(on);
 }
 
 
 void Buffer::updateTitles() const
 {
-       if (gui_)
-               gui_->updateTitles();
+       if (pimpl_->wa_)
+               pimpl_->wa_->updateTitles();
 }
 
 
@@ -2090,12 +2144,10 @@ bool Buffer::writeAs(string const & newname)
        if (newname.empty()) {  /// No argument? Ask user through dialog
 
                // FIXME UNICODE
-               FileDialog fileDlg(_("Choose a filename to save document as"),
-                                  LFUN_BUFFER_WRITE_AS,
-                                  make_pair(_("Documents|#o#O"), 
-                                            from_utf8(lyxrc.document_path)),
-                                  make_pair(_("Templates|#T#t"), 
-                                            from_utf8(lyxrc.template_path)));
+               FileDialog dlg(_("Choose a filename to save document as"),
+                                  LFUN_BUFFER_WRITE_AS);
+               dlg.setButton1(_("Documents|#o#O"), from_utf8(lyxrc.document_path));
+               dlg.setButton2(_("Templates|#T#t"), from_utf8(lyxrc.template_path));
 
                if (!support::isLyXFilename(fname))
                        fname += ".lyx";
@@ -2103,7 +2155,7 @@ bool Buffer::writeAs(string const & newname)
                support::FileFilterList const filter(_("LyX Documents (*.lyx)"));
 
                FileDialog::Result result =
-                       fileDlg.save(from_utf8(onlyPath(fname)),
+                       dlg.save(from_utf8(onlyPath(fname)),
                                     filter,
                                     from_utf8(onlyFilename(fname)));
 
@@ -2186,7 +2238,7 @@ void Buffer::loadChildDocuments() const
        for (InsetIterator it = inset_iterator_begin(inset()); it; ++it) {
                if (it->lyxCode() != INCLUDE_CODE)
                        continue;
-               InsetInclude const & inset = static_cast<InsetInclude const &>(*it);
+               InsetCommand const & inset = static_cast<InsetCommand const &>(*it);
                InsetCommandParams const & ip = inset.params();
                Buffer * child = loadIfNeeded(*this, ip);
                if (!child)
@@ -2210,8 +2262,8 @@ string Buffer::bufferFormat() const
 }
 
 
-bool Buffer::doExport(string const & format,
-       bool put_in_tempdir, string & result_file)
+bool Buffer::doExport(string const & format, bool put_in_tempdir,
+       string & result_file)
 {
        string backend_format;
        OutputParams runparams(&params().encoding());
@@ -2386,4 +2438,123 @@ vector<string> Buffer::backends() const
 }
 
 
+bool Buffer::readFileHelper(FileName const & s)
+{
+       // File information about normal file
+       if (!s.exists()) {
+               docstring const file = makeDisplayPath(s.absFilename(), 50);
+               docstring text = bformat(_("The specified document\n%1$s"
+                                                    "\ncould not be read."), file);
+               Alert::error(_("Could not read document"), text);
+               return false;
+       }
+
+       // Check if emergency save file exists and is newer.
+       FileName const e(s.absFilename() + ".emergency");
+
+       if (e.exists() && s.exists() && e.lastModified() > s.lastModified()) {
+               docstring const file = makeDisplayPath(s.absFilename(), 20);
+               docstring const text =
+                       bformat(_("An emergency save of the document "
+                                 "%1$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.
+                       markDirty();
+                       return readFile(e);
+               case 1:
+                       break;
+               default:
+                       return false;
+               }
+       }
+
+       // Now check if autosave file is newer.
+       FileName const a(onlyPath(s.absFilename()) + '#' + onlyFilename(s.absFilename()) + '#');
+
+       if (a.exists() && s.exists() && a.lastModified() > s.lastModified()) {
+               docstring const file = makeDisplayPath(s.absFilename(), 20);
+               docstring const text =
+                       bformat(_("The backup of the document "
+                                 "%1$s is newer.\n\nLoad the "
+                                              "backup instead?"), file);
+               switch (Alert::prompt(_("Load backup?"), text, 0, 2,
+                                     _("&Load backup"), _("Load &original"),
+                                     _("&Cancel") ))
+               {
+               case 0:
+                       // the file is not saved if we load the autosave file.
+                       markDirty();
+                       return readFile(a);
+               case 1:
+                       // Here we delete the autosave
+                       unlink(a);
+                       break;
+               default:
+                       return false;
+               }
+       }
+       return readFile(s);
+}
+
+
+bool Buffer::loadLyXFile(FileName const & s)
+{
+       if (s.isReadable()) {
+               if (readFileHelper(s)) {
+                       lyxvc().file_found_hook(s);
+                       if (!s.isWritable())
+                               setReadonly(true);
+                       return true;
+               }
+       } else {
+               docstring const file = makeDisplayPath(s.absFilename(), 20);
+               // Here we probably should run
+               if (LyXVC::file_not_found_hook(s)) {
+                       docstring const text =
+                               bformat(_("Do you want to retrieve the document"
+                                                      " %1$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(s);
+                       }
+               }
+       }
+       return false;
+}
+
+
+void Buffer::bufferErrors(TeXErrors const & terr, ErrorList & errorList) const
+{
+       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 = texrow().getIdFromRow(errorRow, id_start,
+                                                      pos_start);
+               int id_end = -1;
+               int pos_end = -1;
+               do {
+                       ++errorRow;
+                       found = 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));
+       }
+}
+
 } // namespace lyx