]> git.lyx.org Git - lyx.git/blobdiff - src/BufferParams.cpp
The logic of the endParagraph() routine is wrong. We should first
[lyx.git] / src / BufferParams.cpp
index 81d777c40026971fa7ebe79cafdce962020ddb21..5f848a6256ff9f76132d5c7bc4fb666ed4d7727e 100644 (file)
@@ -259,22 +259,20 @@ PackageTranslator const & packagetranslator()
 
 
 // Cite engine
-typedef Translator<string, CiteEngine> CiteEngineTranslator;
+typedef Translator<string, CiteEngineType> CiteEngineTypeTranslator;
 
 
-CiteEngineTranslator const init_citeenginetranslator()
+CiteEngineTypeTranslator const init_citeenginetypetranslator()
 {
-       CiteEngineTranslator translator("basic", ENGINE_BASIC);
-       translator.addPair("natbib_numerical", ENGINE_NATBIB_NUMERICAL);
-       translator.addPair("natbib_authoryear", ENGINE_NATBIB_AUTHORYEAR);
-       translator.addPair("jurabib", ENGINE_JURABIB);
+       CiteEngineTypeTranslator translator("authoryear", ENGINE_TYPE_AUTHORYEAR);
+       translator.addPair("numerical", ENGINE_TYPE_NUMERICAL);
        return translator;
 }
 
 
-CiteEngineTranslator const & citeenginetranslator()
+CiteEngineTypeTranslator const & citeenginetypetranslator()
 {
-       static CiteEngineTranslator translator = init_citeenginetranslator();
+       static CiteEngineTypeTranslator translator = init_citeenginetypetranslator();
        return translator;
 }
 
@@ -361,12 +359,9 @@ BufferParams::BufferParams()
        papersize = PAPER_DEFAULT;
        orientation = ORIENTATION_PORTRAIT;
        use_geometry = false;
-       use_amsmath = package_auto;
-       use_esint = package_auto;
-       use_mhchem = package_auto;
-       use_mathdots = package_auto;
-       use_undertilde = package_auto;
-       cite_engine_ = ENGINE_BASIC;
+       cite_engine_.push_back("basic");
+       cite_engine_type_ = ENGINE_TYPE_NUMERICAL;
+       biblio_style = "plain";
        use_bibtopic = false;
        use_indices = false;
        trackChanges = false;
@@ -397,6 +392,7 @@ BufferParams::BufferParams()
        listings_params = string();
        pagestyle = "default";
        suppress_date = false;
+       justification = true;
        // no color is the default (white)
        backgroundcolor = lyx::rgbFromHexName("#ffffff");
        isbackgroundcolor = false;
@@ -430,6 +426,37 @@ docstring BufferParams::B_(string const & l10n) const
 }
 
 
+BufferParams::Package BufferParams::use_package(std::string const & p) const
+{
+       PackageMap::const_iterator it = use_packages.find(p);
+       if (it == use_packages.end())
+               return package_auto;
+       return it->second;
+}
+
+
+void BufferParams::use_package(std::string const & p, BufferParams::Package u)
+{
+       use_packages[p] = u;
+}
+
+
+vector<string> const & BufferParams::auto_packages()
+{
+       static vector<string> packages;
+       if (packages.empty()) {
+               // adding a package here implies a file format change!
+               packages.push_back("amsmath");
+               packages.push_back("esint");
+               packages.push_back("mathdots");
+               packages.push_back("mathtools");
+               packages.push_back("mhchem");
+               packages.push_back("undertilde");
+       }
+       return packages;
+}
+
+
 AuthorList & BufferParams::authors()
 {
        return pimpl_->authorlist;
@@ -551,7 +578,7 @@ string BufferParams::readToken(Lexer & lex, string const & token,
                lex.next();
                string const classname = lex.getString();
                // if there exists a local layout file, ignore the system one
-               // NOTE: in this case, the textclass (.cls file) is assumed to 
+               // NOTE: in this case, the textclass (.cls file) is assumed to
                // be available.
                string tcp;
                LayoutFileList & bcl = LayoutFileList::get();
@@ -561,12 +588,12 @@ string BufferParams::readToken(Lexer & lex, string const & token,
                        setBaseClass(tcp);
                else
                        setBaseClass(classname);
-               // We assume that a tex class exists for local or unknown 
+               // We assume that a tex class exists for local or unknown
                // layouts so this warning, will only be given for system layouts.
                if (!baseClass()->isTeXClassAvailable()) {
-                       docstring const desc = 
+                       docstring const desc =
                                translateIfPossible(from_utf8(baseClass()->description()));
-                       docstring const prereqs = 
+                       docstring const prereqs =
                                from_utf8(baseClass()->prerequisites());
                        docstring const msg =
                                bformat(_("The selected document class\n"
@@ -603,6 +630,8 @@ string BufferParams::readToken(Lexer & lex, string const & token,
                master = lex.getString();
        } else if (token == "\\suppress_date") {
                lex >> suppress_date;
+       } else if (token == "\\justification") {
+               lex >> justification;
        } else if (token == "\\language") {
                readLanguage(lex);
        } else if (token == "\\language_package") {
@@ -671,30 +700,23 @@ string BufferParams::readToken(Lexer & lex, string const & token,
                papersize = papersizetranslator().find(ppsize);
        } else if (token == "\\use_geometry") {
                lex >> use_geometry;
-       } else if (token == "\\use_amsmath") {
-               int use_ams;
-               lex >> use_ams;
-               use_amsmath = packagetranslator().find(use_ams);
-       } else if (token == "\\use_esint") {
-               int useesint;
-               lex >> useesint;
-               use_esint = packagetranslator().find(useesint);
-       } else if (token == "\\use_mhchem") {
-               int usemhchem;
-               lex >> usemhchem;
-               use_mhchem = packagetranslator().find(usemhchem);
-       } else if (token == "\\use_mathdots") {
-               int usemathdots;
-               lex >> usemathdots;
-               use_mathdots = packagetranslator().find(usemathdots);
-       } else if (token == "\\use_undertilde") {
-               int useundertilde;
-               lex >> useundertilde;
-               use_undertilde = packagetranslator().find(useundertilde);
+       } else if (token == "\\use_package") {
+               string package;
+               int use;
+               lex >> package;
+               lex >> use;
+               use_package(package, packagetranslator().find(use));
        } else if (token == "\\cite_engine") {
-               string engine;
-               lex >> engine;
-               cite_engine_ = citeenginetranslator().find(engine);
+               lex.eatLine();
+               vector<string> engine = getVectorFromString(lex.getString());
+               setCiteEngine(engine);
+       } else if (token == "\\cite_engine_type") {
+               string engine_type;
+               lex >> engine_type;
+               cite_engine_type_ = citeenginetypetranslator().find(engine_type);
+       } else if (token == "\\biblio_style") {
+               lex.eatLine();
+               biblio_style = lex.getString();
        } else if (token == "\\use_bibtopic") {
                lex >> use_bibtopic;
        } else if (token == "\\use_indices") {
@@ -874,7 +896,7 @@ string BufferParams::readToken(Lexer & lex, string const & token,
        } else if (token == "\\use_refstyle") {
                lex >> use_refstyle;
        } else {
-               lyxerr << "BufferParams::readToken(): Unknown token: " << 
+               lyxerr << "BufferParams::readToken(): Unknown token: " <<
                        token << endl;
                return token;
        }
@@ -906,14 +928,14 @@ void BufferParams::writeFile(ostream & os) const
        }
 
        // use the class options defined in the layout?
-       os << "\\use_default_options " 
+       os << "\\use_default_options "
           << convert<string>(use_default_options) << "\n";
 
        // the master document
        if (!master.empty()) {
                os << "\\master " << master << '\n';
        }
-       
+
        // removed modules
        if (!removed_modules_.empty()) {
                os << "\\begin_removed_modules" << '\n';
@@ -948,7 +970,7 @@ void BufferParams::writeFile(ostream & os) const
 
        // local layout information
        if (!local_layout.empty()) {
-               // remove '\n' from the end 
+               // remove '\n' from the end
                string const tmplocal = rtrim(local_layout, "\n");
                os << "\\begin_local_layout\n"
                   << tmplocal
@@ -991,18 +1013,34 @@ void BufferParams::writeFile(ostream & os) const
        pdfoptions().writeFile(os);
 
        os << "\\papersize " << string_papersize[papersize]
-          << "\n\\use_geometry " << convert<string>(use_geometry)
-          << "\n\\use_amsmath " << use_amsmath
-          << "\n\\use_esint " << use_esint
-          << "\n\\use_mhchem " << use_mhchem
-          << "\n\\use_mathdots " << use_mathdots
-          << "\n\\use_undertilde " << use_undertilde
-          << "\n\\cite_engine " << citeenginetranslator().find(cite_engine_)
+          << "\n\\use_geometry " << convert<string>(use_geometry);
+       vector<string> const & packages = auto_packages();
+       for (size_t i = 0; i < packages.size(); ++i)
+               os << "\n\\use_package " << packages[i] << ' '
+                  << use_package(packages[i]);
+
+       os << "\n\\cite_engine ";
+
+       if (!cite_engine_.empty()) {
+               LayoutModuleList::const_iterator be = cite_engine_.begin();
+               LayoutModuleList::const_iterator en = cite_engine_.end();
+               for (LayoutModuleList::const_iterator it = be; it != en; ++it) {
+                       if (it != be)
+                               os << ',';
+                       os << *it;
+               }
+       } else {
+               os << "basic";
+       }
+
+       os << "\n\\cite_engine_type " << citeenginetypetranslator().find(cite_engine_type_)
+          << "\n\\biblio_style " << biblio_style
           << "\n\\use_bibtopic " << convert<string>(use_bibtopic)
           << "\n\\use_indices " << convert<string>(use_indices)
           << "\n\\paperorientation " << string_orientation[orientation]
           << "\n\\suppress_date " << convert<string>(suppress_date)
-                << "\n\\use_refstyle " << use_refstyle
+          << "\n\\justification " << convert<string>(justification)
+          << "\n\\use_refstyle " << use_refstyle
           << '\n';
        if (isbackgroundcolor == true)
                os << "\\backgroundcolor " << lyx::X11hexname(backgroundcolor) << '\n';
@@ -1062,7 +1100,7 @@ void BufferParams::writeFile(ostream & os) const
                os << "\\footskip "
                   << VSpace(footskip).asLyXCommand() << '\n';
        if (!columnsep.empty())
-               os << "\\columnsep " 
+               os << "\\columnsep "
                         << VSpace(columnsep).asLyXCommand() << '\n';
        os << "\\secnumdepth " << secnumdepth
           << "\n\\tocdepth " << tocdepth
@@ -1102,7 +1140,7 @@ void BufferParams::writeFile(ostream & os) const
           << "\\html_math_output " << html_math_output << '\n'
           << "\\html_css_as_file " << html_css_as_file << '\n'
           << "\\html_be_strict " << convert<string>(html_be_strict) << '\n';
-       
+
        if (html_math_img_scale != 1.0)
                os << "\\html_math_img_scale " << convert<string>(html_math_img_scale) << '\n';
        if (!html_latex_start.empty())
@@ -1145,7 +1183,7 @@ void BufferParams::validate(LaTeXFeatures & features) const
                                features.require("ulem");
                                features.require("xcolor");
                                // improves color handling in PDF output
-                               features.require("pdfcolmk"); 
+                               features.require("pdfcolmk");
                        } else {
                                features.require("ct-none");
                        }
@@ -1159,18 +1197,16 @@ void BufferParams::validate(LaTeXFeatures & features) const
        if (float_placement.find('H') != string::npos)
                features.require("float");
 
-       // AMS Style is at document level
-       if (use_amsmath == package_on
-           || documentClass().provides("amsmath"))
-               features.require("amsmath");
-       if (use_esint == package_on)
-               features.require("esint");
-       if (use_mhchem == package_on)
-               features.require("mhchem");
-       if (use_mathdots == package_on)
-               features.require("mathdots");
-       if (use_undertilde == package_on)
-               features.require("undertilde");
+       for (PackageMap::const_iterator it = use_packages.begin();
+            it != use_packages.end(); ++it) {
+               if (it->first == "amsmath") {
+                       // AMS Style is at document level
+                       if (it->second == package_on ||
+                           documentClass().provides("amsmath"))
+                               features.require(it->first);
+               } else if (it->second == package_on)
+                       features.require(it->first);
+       }
 
        // Document-level line spacing
        if (spacing().getSpace() != Spacing::Single && !spacing().isDefault())
@@ -1179,7 +1215,7 @@ void BufferParams::validate(LaTeXFeatures & features) const
        // the bullet shapes are buffer level not paragraph level
        // so they are tested here
        for (int i = 0; i < 4; ++i) {
-               if (user_defined_bullet(i) == ITEMIZE_DEFAULTS[i]) 
+               if (user_defined_bullet(i) == ITEMIZE_DEFAULTS[i])
                        continue;
                int const font = user_defined_bullet(i).getFont();
                if (font == 0) {
@@ -1423,7 +1459,7 @@ bool BufferParams::writeLaTeX(otexstream & os, LaTeXFeatures & features,
                        mangledFileName();
                        if (!features.runparams().nice)
                                incfile = mangled;
-                       // \includeonly doesn't want an extension 
+                       // \includeonly doesn't want an extension
                        incfile = changeExtension(incfile, string());
                        incfile = support::latex_path(incfile);
                        if (!incfile.empty()) {
@@ -1441,7 +1477,7 @@ bool BufferParams::writeLaTeX(otexstream & os, LaTeXFeatures & features,
 
        if (!listings_params.empty()) {
                os << "\\lstset{";
-               // do not test validity because listings_params is 
+               // do not test validity because listings_params is
                // supposed to be valid
                string par =
                        InsetListingsParams(listings_params).separatedParams(true);
@@ -1604,7 +1640,7 @@ bool BufferParams::writeLaTeX(otexstream & os, LaTeXFeatures & features,
        if (isbackgroundcolor == true) {
                // only require color here, the background color will be defined
                // in LaTeXFeatures.cpp to avoid interferences with the LaTeX
-               // package pdfpages 
+               // package pdfpages
                features.require("color");
                features.require("pagecolor");
        }
@@ -1613,7 +1649,7 @@ bool BufferParams::writeLaTeX(otexstream & os, LaTeXFeatures & features,
        if (isfontcolor == true) {
                // only require color here, the font color will be defined
                // in LaTeXFeatures.cpp to avoid interferences with the LaTeX
-               // package pdfpages 
+               // package pdfpages
                features.require("color");
                features.require("fontcolor");
        }
@@ -1684,7 +1720,7 @@ bool BufferParams::writeLaTeX(otexstream & os, LaTeXFeatures & features,
        // we decided therefore to load color always before babel, see
        // http://www.mail-archive.com/lyx-devel@lists.lyx.org/msg144349.html
        lyxpreamble += from_ascii(features.getColorOptions());
-       
+
        // If we use hyperref, jurabib, japanese, or vietnamese, we have to call babel before them.
        if (use_babel
            && (features.isRequired("jurabib")
@@ -1727,7 +1763,7 @@ bool BufferParams::writeLaTeX(otexstream & os, LaTeXFeatures & features,
        //   avoid errors with algorithm floats.
        // use hyperref explicitly if it is required
        if (features.isRequired("hyperref")) {
-               // pass what we have to stream here, since we need 
+               // pass what we have to stream here, since we need
                // to access the stream itself in PDFOptions.
                os << lyxpreamble;
 
@@ -1858,7 +1894,7 @@ bool BufferParams::writeLaTeX(otexstream & os, LaTeXFeatures & features,
                        lyxpreamble += "[" + from_ascii(language->polyglossiaOpts()) + "]";
                lyxpreamble += "{" + from_ascii(language->polyglossia()) + "}\n";
                // now setup the other languages
-               std::map<std::string, std::string> const polylangs = 
+               std::map<std::string, std::string> const polylangs =
                        features.getPolyglossiaLanguages();
                for (std::map<std::string, std::string>::const_iterator mit = polylangs.begin();
                     mit != polylangs.end() ; ++mit) {
@@ -1933,7 +1969,7 @@ bool BufferParams::setBaseClass(string const & classname)
        LYXERR(Debug::TCLASS, "setBaseClass: " << classname);
        LayoutFileList & bcl = LayoutFileList::get();
        if (!bcl.haveClass(classname)) {
-               docstring s = 
+               docstring s =
                        bformat(_("The layout file:\n"
                                "%1$s\n"
                                "could not be found. A default textclass with default\n"
@@ -1946,7 +1982,7 @@ bool BufferParams::setBaseClass(string const & classname)
 
        bool const success = bcl[classname].load();
        if (!success) {
-               docstring s = 
+               docstring s =
                        bformat(_("Due to some error in it, the layout file:\n"
                                "%1$s\n"
                                "could not be loaded. A default textclass with default\n"
@@ -1967,7 +2003,7 @@ LayoutFile const * BufferParams::baseClass() const
 {
        if (LayoutFileList::get().haveClass(pimpl_->baseClass_))
                return &(LayoutFileList::get()[pimpl_->baseClass_]);
-       else 
+       else
                return 0;
 }
 
@@ -1983,7 +2019,19 @@ void BufferParams::makeDocumentClass()
        if (!baseClass())
                return;
 
-       doc_class_ = &(DocumentClassBundle::get().makeDocumentClass(*baseClass(), layout_modules_));
+       LayoutModuleList mods;
+       LayoutModuleList::iterator it;
+       LayoutModuleList::iterator en;
+
+       it = layout_modules_.begin();
+       en = layout_modules_.end();
+       for (; it != en; it++)
+               mods.push_back(*it);
+       it = cite_engine_.begin();
+       en = cite_engine_.end();
+       for (; it != en; it++)
+               mods.push_back(*it);
+       doc_class_ = &(DocumentClassBundle::get().makeDocumentClass(*baseClass(), mods));
 
        if (!local_layout.empty()) {
                TextClass::ReturnValues success =
@@ -1998,7 +2046,8 @@ void BufferParams::makeDocumentClass()
 
 bool BufferParams::moduleCanBeAdded(string const & modName) const
 {
-       return layout_modules_.moduleCanBeAdded(modName, baseClass());
+       return cite_engine_.moduleCanBeAdded(modName, baseClass()) &&
+               layout_modules_.moduleCanBeAdded(modName, baseClass());
 }
 
 
@@ -2007,7 +2056,7 @@ bool BufferParams::addLayoutModule(string const & modName)
        LayoutModuleList::const_iterator it = layout_modules_.begin();
        LayoutModuleList::const_iterator end = layout_modules_.end();
        for (; it != end; it++)
-               if (*it == modName) 
+               if (*it == modName)
                        return false;
        layout_modules_.push_back(modName);
        return true;
@@ -2038,6 +2087,13 @@ bool BufferParams::isExportable(string const & format) const
 }
 
 
+namespace {
+bool formatSorter(Format const * lhs, Format const * rhs) {
+       return _(lhs->prettyname()) < _(rhs->prettyname());
+}
+}
+
+
 vector<Format const *> BufferParams::exportableFormats(bool only_viewable) const
 {
        vector<string> const backs = backends();
@@ -2054,39 +2110,47 @@ vector<Format const *> BufferParams::exportableFormats(bool only_viewable) const
                        theConverters().getReachable(*it, only_viewable, false, excludes);
                result.insert(result.end(), r.begin(), r.end());
        }
+       sort(result.begin(), result.end(), formatSorter);
        return result;
 }
 
 
 bool BufferParams::isExportableFormat(string const & format) const
 {
-               typedef vector<Format const *> Formats;
-               Formats formats;
-               formats = exportableFormats(true);
-               Formats::const_iterator fit = formats.begin();
-               Formats::const_iterator end = formats.end();
-               for (; fit != end ; ++fit) {
-                       if ((*fit)->name() == format)
-                               return true;
-               }
-               return false;
+       typedef vector<Format const *> Formats;
+       Formats formats;
+       formats = exportableFormats(true);
+       Formats::const_iterator fit = formats.begin();
+       Formats::const_iterator end = formats.end();
+       for (; fit != end ; ++fit) {
+               if ((*fit)->name() == format)
+                       return true;
+       }
+       return false;
 }
 
 
 vector<string> BufferParams::backends() const
 {
        vector<string> v;
-       v.push_back(bufferFormat());
+       string const buffmt = bufferFormat();
+
        // FIXME: Don't hardcode format names here, but use a flag
-       if (v.back() == "latex") {
-               v.push_back("pdflatex");
+       if (buffmt == "latex") {
+               if (!useNonTeXFonts) {
+                       v.push_back("pdflatex");
+                       v.push_back("latex");
+               }
                v.push_back("luatex");
                v.push_back("dviluatex");
                v.push_back("xetex");
-       } else if (v.back() == "xetex") {
+       } else if (buffmt == "xetex") {
+               v.push_back("xetex");
                v.push_back("luatex");
                v.push_back("dviluatex");
-       }
+       } else
+               v.push_back(buffmt);
+
        v.push_back("xhtml");
        v.push_back("text");
        v.push_back("lyx");
@@ -2108,6 +2172,8 @@ OutputParams::FLAVOR BufferParams::getOutputFlavor(string const format) const
 
        if (dformat == "xhtml")
                result = OutputParams::HTML;
+       else if (dformat == "text")
+               result = OutputParams::TEXT;
        else {
                // Try to determine flavor of default output format
                vector<string> backs = backends();
@@ -2230,7 +2296,7 @@ void BufferParams::readLanguage(Lexer & lex)
 
 void BufferParams::readGraphicsDriver(Lexer & lex)
 {
-       if (!lex.next()) 
+       if (!lex.next())
                return;
 
        string const tmptok = lex.getString();
@@ -2256,7 +2322,7 @@ void BufferParams::readGraphicsDriver(Lexer & lex)
 
 void BufferParams::readBullets(Lexer & lex)
 {
-       if (!lex.next()) 
+       if (!lex.next())
                return;
 
        int const index = lex.getInteger();
@@ -2276,7 +2342,7 @@ void BufferParams::readBullets(Lexer & lex)
 void BufferParams::readBulletsLaTeX(Lexer & lex)
 {
        // The bullet class should be able to read this.
-       if (!lex.next()) 
+       if (!lex.next())
                return;
        int const index = lex.getInteger();
        lex.next(true);
@@ -2318,9 +2384,9 @@ void BufferParams::readRemovedModules(Lexer & lex)
                removed_modules_.push_back(mod);
                lex.eatLine();
        }
-       // now we want to remove any removed modules that were previously 
-       // added. normally, that will be because default modules were added in 
-       // setBaseClass(), which gets called when \textclass is read at the 
+       // now we want to remove any removed modules that were previously
+       // added. normally, that will be because default modules were added in
+       // setBaseClass(), which gets called when \textclass is read at the
        // start of the read.
        list<string>::const_iterator rit = removed_modules_.begin();
        list<string>::const_iterator const ren = removed_modules_.end();
@@ -2500,6 +2566,14 @@ string const BufferParams::dvips_options() const
 {
        string result;
 
+       // If the class loads the geometry package, we do not know which
+       // paper size is used, since we do not set it (bug 7013).
+       // Therefore we must not specify any argument here.
+       // dvips gets the correct paper size via DVI specials in this case
+       // (if the class uses the geometry package correctly).
+       if (documentClass().provides("geometry"))
+               return result;
+
        if (use_geometry
            && papersize == PAPER_CUSTOM
            && !lyxrc.print_paper_dimension_flag.empty()
@@ -2705,7 +2779,7 @@ string const BufferParams::loadFonts(string const & rm,
         *    -- add more GUI options?
         *    -- add more fonts (fonts for other scripts)
         *    -- if there's a way to find out if a font really supports
-        *       OldStyle, enable/disable the widget accordingly. 
+        *       OldStyle, enable/disable the widget accordingly.
        */
        if (use_systemfonts && features.isAvailable("fontspec")) {
                // "Mapping=tex-text" and "Ligatures=TeX" are equivalent.
@@ -2729,8 +2803,8 @@ string const BufferParams::loadFonts(string const & rm,
                if (sf != "default") {
                        string const sans = parseFontName(sf);
                        if (sfscale != 100)
-                               os << "\\setsansfont[Scale=" 
-                                  << float(sfscale) / 100 
+                               os << "\\setsansfont[Scale="
+                                  << float(sfscale) / 100
                                   << "," << texmapping << "]{"
                                   << sans << "}\n";
                        else
@@ -2740,8 +2814,8 @@ string const BufferParams::loadFonts(string const & rm,
                if (tt != "default") {
                        string const mono = parseFontName(tt);
                        if (ttscale != 100)
-                               os << "\\setmonofont[Scale=" 
-                                  << float(ttscale) / 100 
+                               os << "\\setmonofont[Scale="
+                                  << float(ttscale) / 100
                                   << "]{"
                                   << mono << "}\n";
                        else
@@ -2884,20 +2958,75 @@ Encoding const & BufferParams::encoding() const
 }
 
 
-CiteEngine BufferParams::citeEngine() const
+bool BufferParams::addCiteEngine(string const & engine)
+{
+       LayoutModuleList::const_iterator it = cite_engine_.begin();
+       LayoutModuleList::const_iterator en = cite_engine_.end();
+       for (; it != en; ++it)
+               if (*it == engine)
+                       return false;
+       cite_engine_.push_back(engine);
+       return true;
+}
+
+
+bool BufferParams::addCiteEngine(vector<string> const & engine)
+{
+       vector<string>::const_iterator it = engine.begin();
+       vector<string>::const_iterator en = engine.end();
+       bool ret = true;
+       for (; it != en; ++it)
+               if (!addCiteEngine(*it))
+                       ret = false;
+       return ret;
+}
+
+
+string const & BufferParams::defaultBiblioStyle() const
+{
+       return documentClass().defaultBiblioStyle();
+}
+
+
+bool const & BufferParams::fullAuthorList() const
+{
+       return documentClass().fullAuthorList();
+}
+
+
+void BufferParams::setCiteEngine(string const & engine)
+{
+       clearCiteEngine();
+       addCiteEngine(engine);
+}
+
+
+void BufferParams::setCiteEngine(vector<string> const & engine)
+{
+       clearCiteEngine();
+       addCiteEngine(engine);
+}
+
+
+vector<string> BufferParams::citeCommands() const
 {
-       // FIXME the class should provide the numerical/
-       // authoryear choice
-       if (documentClass().provides("natbib")
-           && cite_engine_ != ENGINE_NATBIB_NUMERICAL)
-               return ENGINE_NATBIB_AUTHORYEAR;
-       return cite_engine_;
+       static CitationStyle const default_style;
+       vector<string> commands =
+               documentClass().citeCommands(citeEngineType());
+       if (commands.empty())
+               commands.push_back(default_style.cmd);
+       return commands;
 }
 
 
-void BufferParams::setCiteEngine(CiteEngine cite_engine)
+vector<CitationStyle> BufferParams::citeStyles() const
 {
-       cite_engine_ = cite_engine;
+       static CitationStyle const default_style;
+       vector<CitationStyle> styles =
+               documentClass().citeStyles(citeEngineType());
+       if (styles.empty())
+               styles.push_back(default_style);
+       return styles;
 }
 
 } // namespace lyx