]> git.lyx.org Git - lyx.git/blobdiff - src/BufferParams.cpp
** fix bug 2114. Fileformat change.
[lyx.git] / src / BufferParams.cpp
index c4d3158d14513624e38a8b02f53bbd5084c3dc70..b177409dd17e0b341eee41836a6862b921761cd8 100644 (file)
 #include "BufferParams.h"
 
 #include "Author.h"
+#include "LayoutFile.h"
 #include "BranchList.h"
 #include "buffer_funcs.h"
 #include "Bullet.h"
 #include "Color.h"
-#include "debug.h"
 #include "Encoding.h"
-#include "gettext.h"
 #include "Language.h"
 #include "LaTeXFeatures.h"
-#include "Messages.h"
 #include "ModuleList.h"
 #include "Font.h"
 #include "Lexer.h"
 #include "LyXRC.h"
-#include "TextClassList.h"
 #include "OutputParams.h"
 #include "Spacing.h"
 #include "TexRow.h"
 #include "PDFOptions.h"
 
 #include "frontends/alert.h"
+
 #include "insets/InsetListingsParams.h"
 
 #include "support/convert.h"
+#include "support/debug.h"
 #include "support/docstream.h"
+#include "support/FileName.h"
 #include "support/filetools.h"
+#include "support/gettext.h"
+#include "support/Messages.h"
 #include "support/Translator.h"
 #include "support/lstrings.h"
 
 #include <algorithm>
 #include <sstream>
 
-using std::count;
-using std::endl;
-using std::find;
-using std::string;
-using std::istringstream;
-using std::ostream;
-using std::ostringstream;
-using std::pair;
-using std::string;
-using lyx::support::FileName;
-using lyx::support::libFileSearch;
-using lyx::support::bformat;
-using lyx::support::rtrim;
-using lyx::support::tokenPos;
-using lyx::support::prefixIs;
+using namespace std;
+using namespace lyx::support;
 
 
 static char const * const string_paragraph_separation[] = {
@@ -79,7 +68,7 @@ static char const * const string_quotes_language[] = {
 
 
 static char const * const string_papersize[] = {
-       "default", "custom", "letterpaper", "executivepaper", "legalpaper",
+       "default", "custom", "letterpaper", "legalpaper", "executivepaper",
        "a3paper", "a4paper", "a5paper", "b3paper", "b4paper", "b5paper", ""
 };
 
@@ -95,8 +84,11 @@ static char const * const string_footnotekinds[] = {
 
 
 static char const * const tex_graphics[] = {
-       "default", "dvips", "dvitops", "emtex",
-       "ln", "oztex", "textures", "none", ""
+       "default", "dvialw", "dvilaser", "dvipdf", "dvipdfm", "dvipdfmx",
+       "dvips", "dvipsone", "dvitops", "dviwin", "dviwindo", "dvi2ps", "emtex",
+       "ln", "oztex", "pctexhp", "pctexps", "pctexwin", "pctex32", "pdftex",
+       "psprint", "pubps", "tcidvi", "textures", "truetex", "vtex", "xdvi",
+       "xetex", "none", ""
 };
 
 
@@ -106,13 +98,14 @@ namespace lyx {
 namespace {
 
 // Paragraph separation
-typedef Translator<string, BufferParams::PARSEP> ParSepTranslator;
+typedef Translator<string, BufferParams::ParagraphSeparation> ParSepTranslator;
 
 
 ParSepTranslator const init_parseptranslator()
 {
-       ParSepTranslator translator(string_paragraph_separation[0], BufferParams::PARSEP_INDENT);
-       translator.addPair(string_paragraph_separation[1], BufferParams::PARSEP_SKIP);
+       ParSepTranslator translator
+               (string_paragraph_separation[0], BufferParams::ParagraphIndentSeparation);
+       translator.addPair(string_paragraph_separation[1], BufferParams::ParagraphSkipSeparation);
        return translator;
 }
 
@@ -125,17 +118,18 @@ ParSepTranslator const & parseptranslator()
 
 
 // Quotes language
-typedef Translator<string, InsetQuotes::quote_language> QuotesLangTranslator;
+typedef Translator<string, InsetQuotes::QuoteLanguage> QuotesLangTranslator;
 
 
 QuotesLangTranslator const init_quoteslangtranslator()
 {
-       QuotesLangTranslator translator(string_quotes_language[0], InsetQuotes::EnglishQ);
-       translator.addPair(string_quotes_language[1], InsetQuotes::SwedishQ);
-       translator.addPair(string_quotes_language[2], InsetQuotes::GermanQ);
-       translator.addPair(string_quotes_language[3], InsetQuotes::PolishQ);
-       translator.addPair(string_quotes_language[4], InsetQuotes::FrenchQ);
-       translator.addPair(string_quotes_language[5], InsetQuotes::DanishQ);
+       QuotesLangTranslator translator
+               (string_quotes_language[0], InsetQuotes::EnglishQuotes);
+       translator.addPair(string_quotes_language[1], InsetQuotes::SwedishQuotes);
+       translator.addPair(string_quotes_language[2], InsetQuotes::GermanQuotes);
+       translator.addPair(string_quotes_language[3], InsetQuotes::PolishQuotes);
+       translator.addPair(string_quotes_language[4], InsetQuotes::FrenchQuotes);
+       translator.addPair(string_quotes_language[5], InsetQuotes::DanishQuotes);
        return translator;
 }
 
@@ -148,10 +142,10 @@ QuotesLangTranslator const & quoteslangtranslator()
 
 
 // Paper size
-typedef Translator<std::string, PAPER_SIZE> PaperSizeTranslator;
+typedef Translator<string, PAPER_SIZE> PaperSizeTranslator;
 
 
-PaperSizeTranslator const init_papersizetranslator()
+static PaperSizeTranslator initPaperSizeTranslator()
 {
        PaperSizeTranslator translator(string_papersize[0], PAPER_DEFAULT);
        translator.addPair(string_papersize[1], PAPER_CUSTOM);
@@ -170,7 +164,7 @@ PaperSizeTranslator const init_papersizetranslator()
 
 PaperSizeTranslator const & papersizetranslator()
 {
-       static PaperSizeTranslator translator = init_papersizetranslator();
+       static PaperSizeTranslator translator = initPaperSizeTranslator();
        return translator;
 }
 
@@ -234,15 +228,15 @@ PackageTranslator const & packagetranslator()
 
 
 // Cite engine
-typedef Translator<string, biblio::CiteEngine> CiteEngineTranslator;
+typedef Translator<string, CiteEngine> CiteEngineTranslator;
 
 
 CiteEngineTranslator const init_citeenginetranslator()
 {
-       CiteEngineTranslator translator("basic", biblio::ENGINE_BASIC);
-       translator.addPair("natbib_numerical", biblio::ENGINE_NATBIB_NUMERICAL);
-       translator.addPair("natbib_authoryear", biblio::ENGINE_NATBIB_AUTHORYEAR);
-       translator.addPair("jurabib", biblio::ENGINE_JURABIB);
+       CiteEngineTranslator translator("basic", ENGINE_BASIC);
+       translator.addPair("natbib_numerical", ENGINE_NATBIB_NUMERICAL);
+       translator.addPair("natbib_authoryear", ENGINE_NATBIB_AUTHORYEAR);
+       translator.addPair("jurabib", ENGINE_JURABIB);
        return translator;
 }
 
@@ -294,11 +288,12 @@ public:
         */
        VSpace defskip;
        PDFOptions pdfoptions;
+       LayoutFileIndex baseClass_;
 };
 
 
 BufferParams::Impl::Impl()
-       : defskip(VSpace::MEDSKIP)
+       : defskip(VSpace::MEDSKIP), baseClass_(string(""))
 {
        // set initial author
        // FIXME UNICODE
@@ -309,7 +304,7 @@ BufferParams::Impl::Impl()
 BufferParams::Impl *
 BufferParams::MemoryTraits::clone(BufferParams::Impl const * ptr)
 {
-       BOOST_ASSERT(ptr);
+       LASSERT(ptr, /**/);
 
        return new BufferParams::Impl(*ptr);
 }
@@ -324,9 +319,10 @@ void BufferParams::MemoryTraits::destroy(BufferParams::Impl * ptr)
 BufferParams::BufferParams()
        : pimpl_(new Impl)
 {
-       setBaseClass(defaultTextclass());
-       paragraph_separation = PARSEP_INDENT;
-       quotes_language = InsetQuotes::EnglishQ;
+       setBaseClass(defaultBaseclass());
+       makeDocumentClass();
+       paragraph_separation = ParagraphIndentSeparation;
+       quotes_language = InsetQuotes::EnglishQuotes;
        fontsize = "default";
 
        /*  PaperLayout */
@@ -335,10 +331,11 @@ BufferParams::BufferParams()
        use_geometry = false;
        use_amsmath = package_auto;
        use_esint = package_auto;
-       cite_engine_ = biblio::ENGINE_BASIC;
+       cite_engine_ = ENGINE_BASIC;
        use_bibtopic = false;
        trackChanges = false;
        outputChanges = false;
+       use_default_options = true;
        secnumdepth = 3;
        tocdepth = 3;
        language = default_language;
@@ -357,7 +354,6 @@ BufferParams::BufferParams()
        listings_params = string();
        pagestyle = "default";
        compressed = false;
-       embedded = false;
        for (int iter = 0; iter < 4; ++iter) {
                user_defined_bullet(iter) = ITEMIZE_DEFAULTS[iter];
                temp_bullet(iter) = ITEMIZE_DEFAULTS[iter];
@@ -365,13 +361,9 @@ BufferParams::BufferParams()
 }
 
 
-BufferParams::~BufferParams()
-{}
-
-
-docstring const BufferParams::B_(string const & l10n) const
+docstring BufferParams::B_(string const & l10n) const
 {
-       BOOST_ASSERT(language);
+       LASSERT(language, /**/);
        return getMessages(language->code()).get(l10n);
 }
 
@@ -402,28 +394,28 @@ BranchList const & BufferParams::branchlist() const
 
 Bullet & BufferParams::temp_bullet(lyx::size_type const index)
 {
-       BOOST_ASSERT(index < 4);
+       LASSERT(index < 4, /**/);
        return pimpl_->temp_bullets[index];
 }
 
 
 Bullet const & BufferParams::temp_bullet(lyx::size_type const index) const
 {
-       BOOST_ASSERT(index < 4);
+       LASSERT(index < 4, /**/);
        return pimpl_->temp_bullets[index];
 }
 
 
 Bullet & BufferParams::user_defined_bullet(lyx::size_type const index)
 {
-       BOOST_ASSERT(index < 4);
+       LASSERT(index < 4, /**/);
        return pimpl_->user_defined_bullets[index];
 }
 
 
 Bullet const & BufferParams::user_defined_bullet(lyx::size_type const index) const
 {
-       BOOST_ASSERT(index < 4);
+       LASSERT(index < 4, /**/);
        return pimpl_->user_defined_bullets[index];
 }
 
@@ -464,26 +456,25 @@ void BufferParams::setDefSkip(VSpace const & vs)
 }
 
 
-string const BufferParams::readToken(Lexer & lex, string const & token)
+string BufferParams::readToken(Lexer & lex, string const & token,
+       FileName const & filepath)
 {
        if (token == "\\textclass") {
                lex.next();
                string const classname = lex.getString();
-               pair<bool, lyx::textclass_type> pp =
-                       textclasslist.numberOfClass(classname);
-               if (pp.first) {
-                       setBaseClass(pp.second);
-               } else {
-                       // if text class does not exist, try to load it from filepath
-                       pp = textclasslist.addTextClass(classname, filepath);
-                       if (pp.first) {
-                               setBaseClass(pp.second);
-                       } else {
-                               setBaseClass(defaultTextclass());
-                               return classname;
-                       }
-               }
-               if (!getTextClass().isTeXClassAvailable()) {
+               // if there exists a local layout file, ignore the system one
+               // NOTE: in this case, the textclass (.cls file) is assumed to be available.
+               string tcp;
+               LayoutFileList & bcl = LayoutFileList::get();
+               if (tcp.empty() && !filepath.empty())
+                       tcp = bcl.addLocalLayout(classname, filepath.absFilename());
+               if (!tcp.empty())
+                       setBaseClass(tcp);
+               else
+                       setBaseClass(classname);
+               // 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 msg =
                                bformat(_("The layout file requested by this document,\n"
                                                 "%1$s.layout,\n"
@@ -494,15 +485,22 @@ string const BufferParams::readToken(Lexer & lex, string const & token)
                        frontend::Alert::warning(_("Document class not available"),
                                       msg + _("LyX will not be able to produce output."));
                } 
-               
        } else if (token == "\\begin_preamble") {
                readPreamble(lex);
+       } else if (token == "\\begin_local_layout") {
+               readLocalLayout(lex);
        } else if (token == "\\begin_modules") {
                readModules(lex);
-               makeTextClass();
+       } else if (token == "\\begin_removed_modules") {
+               readRemovedModules(lex);
        } else if (token == "\\options") {
                lex.eatLine();
                options = lex.getString();
+       } else if (token == "\\use_default_options") {
+               lex >> use_default_options;
+       } else if (token == "\\master") {
+               lex.eatLine();
+               master = lex.getString();
        } else if (token == "\\language") {
                readLanguage(lex);
        } else if (token == "\\inputencoding") {
@@ -525,13 +523,19 @@ string const BufferParams::readToken(Lexer & lex, string const & token)
                lex >> fontsSansScale;
        } else if (token == "\\font_tt_scale") {
                lex >> fontsTypewriterScale;
+       } else if (token == "\\font_cjk") {
+               lex >> fontsCJK;
        } else if (token == "\\paragraph_separation") {
                string parsep;
                lex >> parsep;
                paragraph_separation = parseptranslator().find(parsep);
        } else if (token == "\\defskip") {
                lex.next();
-               pimpl_->defskip = VSpace(lex.getString());
+               string defskip = lex.getString();
+               if (defskip == "defskip")
+                       // this is invalid
+                       defskip = "medskip";
+               pimpl_->defskip = VSpace(defskip);
        } else if (token == "\\quotes_language") {
                string quotes_lang;
                lex >> quotes_lang;
@@ -617,6 +621,8 @@ string const BufferParams::readToken(Lexer & lex, string const & token)
                lex >> headsep;
        } else if (token == "\\footskip") {
                lex >> footskip;
+       } else if (token == "\\columnsep") {
+               lex >> columnsep;
        } else if (token == "\\paperfontsize") {
                lex >> fontsize;
        } else if (token == "\\papercolumns") {
@@ -673,7 +679,7 @@ void BufferParams::writeFile(ostream & os) const
        // Prints out the buffer info into the .lyx file given by file
 
        // the textclass
-       os << "\\textclass " << textclasslist[baseClass_].name() << '\n';
+       os << "\\textclass " << baseClass()->name() << '\n';
 
        // then the preamble
        if (!preamble.empty()) {
@@ -688,15 +694,44 @@ void BufferParams::writeFile(ostream & os) const
        if (!options.empty()) {
                os << "\\options " << options << '\n';
        }
+
+       // use the class options defined in the layout?
+       os << "\\use_default_options " 
+          << convert<string>(use_default_options) << "\n";
+
+       // the master document
+       if (!master.empty()) {
+               os << "\\master " << master << '\n';
+       }
        
-       //the modules
+       // removed modules
+       if (!removedModules_.empty()) {
+               os << "\\begin_removed_modules" << '\n';
+               set<string>::const_iterator it = removedModules_.begin();
+               set<string>::const_iterator en = removedModules_.end();
+               for (; it != en; it++)
+                       os << *it << '\n';
+               os << "\\end_removed_modules" << '\n';
+       }
+
+       // the modules
        if (!layoutModules_.empty()) {
                os << "\\begin_modules" << '\n';
                LayoutModuleList::const_iterator it = layoutModules_.begin();
-               for (; it != layoutModules_.end(); it++)
+               LayoutModuleList::const_iterator en = layoutModules_.end();
+               for (; it != en; it++)
                        os << *it << '\n';
                os << "\\end_modules" << '\n';
        }
+       
+       // local layout information
+       if (!local_layout.empty()) {
+               // remove '\n' from the end 
+               string const tmplocal = rtrim(local_layout, "\n");
+               os << "\\begin_local_layout\n"
+                  << tmplocal
+                  << "\n\\end_local_layout\n";
+       }
 
        // then the text parameters
        if (language != ignore_language)
@@ -710,7 +745,11 @@ void BufferParams::writeFile(ostream & os) const
           << "\n\\font_osf " << convert<string>(fontsOSF)
           << "\n\\font_sf_scale " << fontsSansScale
           << "\n\\font_tt_scale " << fontsTypewriterScale
-          << "\n\\graphics " << graphicsDriver << '\n';
+          << '\n';
+       if (!fontsCJK.empty()) {
+               os << "\\font_cjk " << fontsCJK << '\n';
+       }
+       os << "\n\\graphics " << graphicsDriver << '\n';
 
        if (!float_placement.empty()) {
                os << "\\float_placement " << float_placement << '\n';
@@ -732,9 +771,9 @@ void BufferParams::writeFile(ostream & os) const
        BranchList::const_iterator it = branchlist().begin();
        BranchList::const_iterator end = branchlist().end();
        for (; it != end; ++it) {
-               os << "\\branch " << to_utf8(it->getBranch())
-                  << "\n\\selected " << it->getSelected()
-                  << "\n\\color " << lyx::X11hexname(it->getColor())
+               os << "\\branch " << to_utf8(it->branch())
+                  << "\n\\selected " << it->isSelected()
+                  << "\n\\color " << lyx::X11hexname(it->color())
                   << "\n\\end_branch"
                   << "\n";
        }
@@ -766,6 +805,9 @@ void BufferParams::writeFile(ostream & os) const
        if (!footskip.empty())
                os << "\\footskip "
                   << VSpace(footskip).asLyXCommand() << '\n';
+       if (!columnsep.empty())
+               os << "\\columnsep " 
+                        << VSpace(columnsep).asLyXCommand() << '\n';
        os << "\\secnumdepth " << secnumdepth
           << "\n\\tocdepth " << tocdepth
           << "\n\\paragraph_separation "
@@ -810,12 +852,146 @@ void BufferParams::writeFile(ostream & os) const
 }
 
 
+void BufferParams::validate(LaTeXFeatures & features) const
+{
+       features.require(documentClass().requires());
+
+       if (outputChanges) {
+               bool dvipost    = LaTeXFeatures::isAvailable("dvipost");
+               bool xcolorsoul = LaTeXFeatures::isAvailable("soul") &&
+                                 LaTeXFeatures::isAvailable("xcolor");
+
+               switch (features.runparams().flavor) {
+               case OutputParams::LATEX:
+                       if (dvipost) {
+                               features.require("ct-dvipost");
+                               features.require("dvipost");
+                       } else if (xcolorsoul) {
+                               features.require("ct-xcolor-soul");
+                               features.require("soul");
+                               features.require("xcolor");
+                       } else {
+                               features.require("ct-none");
+                       }
+                       break;
+               case OutputParams::PDFLATEX:
+                       if (xcolorsoul) {
+                               features.require("ct-xcolor-soul");
+                               features.require("soul");
+                               features.require("xcolor");
+                               // improves color handling in PDF output
+                               features.require("pdfcolmk"); 
+                       } else {
+                               features.require("ct-none");
+                       }
+                       break;
+               default:
+                       break;
+               }
+       }
+
+       // Floats with 'Here definitely' as default setting.
+       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");
+
+       // Document-level line spacing
+       if (spacing().getSpace() != Spacing::Single && !spacing().isDefault())
+               features.require("setspace");
+
+       // 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]) 
+                       continue;
+               int const font = user_defined_bullet(i).getFont();
+               if (font == 0) {
+                       int const c = user_defined_bullet(i).getCharacter();
+                       if (c == 16
+                           || c == 17
+                           || c == 25
+                           || c == 26
+                           || c == 31) {
+                               features.require("latexsym");
+                       }
+               } else if (font == 1) {
+                       features.require("amssymb");
+               } else if (font >= 2 && font <= 5) {
+                       features.require("pifont");
+               }
+       }
+
+       if (pdfoptions().use_hyperref) {
+               features.require("hyperref");
+               // due to interferences with babel and hyperref, the color package has to
+               // be loaded after hyperref when hyperref is used with the colorlinks
+               // option, see http://bugzilla.lyx.org/show_bug.cgi?id=5291
+               if (pdfoptions().colorlinks)
+                       features.require("color");
+       }
+
+       if (language->lang() == "vietnamese")
+               features.require("vietnamese");
+       else if (language->lang() == "japanese")
+               features.require("japanese");
+}
+
+/// Find out if we need special treatment for babel.
+static bool needsSpecialBabelCall(LaTeXFeatures const & features)
+{
+       // FIXME: don't hardcode this!!
+       // If Vietnamese is used, babel must directly be loaded with the
+       // language options, see
+       // http://www.mail-archive.com/lyx-devel@lists.lyx.org/msg129417.html
+       //
+       // viet = string::npos when not found
+       // the same is for all other languages that are not directly supported by
+       // babel, but where LaTeX-packages add babel support.
+       // this is currently the case for Latvian, Lithuanian, and Mongolian
+       //
+       // If Japanese is used, babel must directly be loaded with the
+       // language options, see
+       // http://bugzilla.lyx.org/show_bug.cgi?id=4597#c4
+       return !lyxrc.language_global_options
+        || features.hasLanguage("vietnam")
+        || features.hasLanguage("latvian")
+        || features.hasLanguage("japanese")
+        || features.hasLanguage("lithuanian")
+        || features.hasLanguage("mongolian");
+}
+
+/// set up if and how babel is called
+static docstring babelCall(LaTeXFeatures const & features,
+       string const & lang_opts)
+{
+       string babel_call = lyxrc.language_package;
+       if (babel_call != "\\usepackage{babel}")
+               return from_utf8(babel_call);
+       // suppress the babel call when there is no babel language defined
+       // for the document language in the lib/languages file and if no
+       // other languages are used (lang_opts is then empty)
+       if (!features.hasLanguages())
+               return docstring();
+
+       if (needsSpecialBabelCall(features))
+               babel_call = "\\usepackage[" + lang_opts + "]{babel}";
+
+       return from_utf8(babel_call);
+}
+
+
 bool BufferParams::writeLaTeX(odocstream & os, LaTeXFeatures & features,
                              TexRow & texrow) const
 {
        os << "\\documentclass";
 
-       TextClass const & tclass = getTextClass();
+       DocumentClass const & tclass = documentClass();
 
        ostringstream clsoptions; // the document class options.
 
@@ -899,16 +1075,15 @@ bool BufferParams::writeLaTeX(odocstream & os, LaTeXFeatures & features,
                                language_options << ',';
                        language_options << language->babel();
                }
-               // when Vietnamese is used, babel must directly be loaded with the
-               // language options, not in the class options, see
-               // http://www.mail-archive.com/lyx-devel@lists.lyx.org/msg129417.html
-               size_t viet = language_options.str().find("vietnam");
-               // viet = string::npos when not found
-               if (lyxrc.language_global_options && !language_options.str().empty()
-                       && viet == string::npos)
+               if (!language_options.str().empty()
+                && !needsSpecialBabelCall(features))
                        clsoptions << language_options.str() << ',';
        }
 
+       // the predefined options from the layout
+       if (use_default_options && !tclass.options().empty())
+               clsoptions << tclass.options() << ',';
+
        // the user-defined options
        if (!options.empty()) {
                clsoptions << options << ',';
@@ -940,9 +1115,11 @@ bool BufferParams::writeLaTeX(odocstream & os, LaTeXFeatures & features,
 
        // set font encoding
        // this one is not per buffer
-       // for arabic_arabi and farsi we also need to load the LAE and LFE encoding
-       if (lyxrc.fontenc != "default") {
-               if (language->lang() == "arabic_arabi" || language->lang() == "farsi") {
+       // for arabic_arabi and farsi we also need to load the LAE and
+       // LFE encoding
+       if (lyxrc.fontenc != "default" && language->lang() != "japanese") {
+               if (language->lang() == "arabic_arabi"
+                   || language->lang() == "farsi") {
                        os << "\\usepackage[" << from_ascii(lyxrc.fontenc)
                           << ",LFE,LAE]{fontenc}\n";
                        texrow.newline();
@@ -956,13 +1133,20 @@ bool BufferParams::writeLaTeX(odocstream & os, LaTeXFeatures & features,
        // handle inputenc etc.
        writeEncodingPreamble(os, features, texrow);
 
-       if (!listings_params.empty()) {
+       if (!listings_params.empty() || features.isRequired("listings")) {
                os << "\\usepackage{listings}\n";
                texrow.newline();
+       }
+       if (!listings_params.empty()) {
                os << "\\lstset{";
-               // do not test validity because listings_params is supposed to be valid
-               string par = InsetListingsParams(listings_params).separatedParams(true);
-               os << from_ascii(par);
+               // do not test validity because listings_params is 
+               // supposed to be valid
+               string par =
+                       InsetListingsParams(listings_params).separatedParams(true);
+               // we can't support all packages, but we should load the color package
+               if (par.find("\\color", 0) != string::npos)
+                       features.require("color");
+               os << from_utf8(par);
                // count the number of newlines
                for (size_t i = 0; i < par.size(); ++i)
                        if (par[i] == '\n')
@@ -1057,8 +1241,12 @@ bool BufferParams::writeLaTeX(odocstream & os, LaTeXFeatures & features,
                        os << ",headsep=" << from_ascii(Length(headsep).asLatexString());
                if (!footskip.empty())
                        os << ",footskip=" << from_ascii(Length(footskip).asLatexString());
+               if (!columnsep.empty())
+                       os << ",columnsep=" << from_ascii(Length(columnsep).asLatexString());
                os << "}\n";
                texrow.newline();
+       } else if (orientation == ORIENTATION_LANDSCAPE) {
+               features.require("papersize");
        }
 
        if (tokenPos(tclass.opt_pagestyle(),
@@ -1113,90 +1301,88 @@ bool BufferParams::writeLaTeX(odocstream & os, LaTeXFeatures & features,
                texrow.newline();
        }
 
-       // If we use jurabib, we have to call babel here.
-       if (use_babel && features.isRequired("jurabib")) {
-               os << from_ascii(babelCall(language_options.str()))
-                  << '\n'
-                  << from_ascii(features.getBabelOptions());
-               texrow.newline();
-       }
-
        // Now insert the LyX specific LaTeX commands...
+       docstring lyxpreamble;
+
+       // due to interferences with babel and hyperref, the color package has to
+       // be loaded (when it is not already loaded) before babel when hyperref
+       // is used with the colorlinks option, see
+       // http://bugzilla.lyx.org/show_bug.cgi?id=5291
+       // 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")
+                       || features.isRequired("hyperref")
+                       || features.isRequired("vietnamese")
+                       || features.isRequired("japanese") ) ) {
+                               // FIXME UNICODE
+                               lyxpreamble += babelCall(features, language_options.str()) + '\n';
+                               lyxpreamble += from_utf8(features.getBabelOptions()) + '\n';
+       }
 
        // The optional packages;
-       docstring lyxpreamble(from_ascii(features.getPackages()));
-
-       // We try to load babel late, in case it interferes
-       // with other packages. But some packages also need babel to be loaded
-       // before, e.g. jurabib has to be called after babel.
-       // So load babel after the optional packages but before the user-defined
-       // preamble. This allows the users to redefine babel commands, e.g. to
-       // translate the word "Index" to the German "Stichwortverzeichnis".
-       // For more infos why this place was chosen, see
-       // http://www.mail-archive.com/lyx-devel@lists.lyx.org/msg128425.html
-       // If you encounter problems, you can shift babel to its old place behind
-       // the user-defined preamble. But in this case you must change the Vietnamese
-       // support from currently "\usepackage[vietnamese]{babel}" to:
-       // \usepackage{vietnamese}
-       // \usepackage{babel}
-       // because vietnamese must be loaded before hyperref
-       if (use_babel && !features.isRequired("jurabib")) {
-               // FIXME UNICODE
-               lyxpreamble += from_utf8(babelCall(language_options.str())) + '\n';
-               lyxpreamble += from_utf8(features.getBabelOptions());
-       }
+       lyxpreamble += from_ascii(features.getPackages());
 
-       // When the language "japanese-plain" is used, the package "japanese" must
-       // be loaded behind babel (it provides babel support for Japanese) but before
-       // hyperref, see
-       // http://www.mail-archive.com/lyx-devel@lists.lyx.org/msg129680.html
-       if (language->lang() == "japanese-plain" &&
-               !getTextClass().provides("japanese")) {
-               //load babel in case it was not loaded due to an empty language list
-               if (language_options.str().empty())
-                       lyxpreamble += "\\usepackage{babel}\n";
-               lyxpreamble += "\\usepackage{japanese}\n";
-       }
+       // Line spacing
+       lyxpreamble += from_utf8(spacing().writePreamble(tclass.provides("SetSpace")));
 
        // PDF support.
        // * Hyperref manual: "Make sure it comes last of your loaded
        //   packages, to give it a fighting chance of not being over-written,
-       //   since its job is to redefine many LATEX commands."
+       //   since its job is to redefine many LaTeX commands."
        // * Email from Heiko Oberdiek: "It is usually better to load babel
        //   before hyperref. Then hyperref has a chance to detect babel.
        // * Has to be loaded before the "LyX specific LaTeX commands" to
        //   avoid errors with algorithm floats.
-       odocstringstream oss;
        // use hyperref explicitely when it is required
-       pdfoptions().writeLaTeX(oss, features.isRequired("hyperref"));
-       lyxpreamble += oss.str();
-
-       // this might be useful...
-       lyxpreamble += "\n\\makeatletter\n";
+       if (features.isRequired("hyperref")) {
+               odocstringstream oss;
+               pdfoptions().writeLaTeX(oss, documentClass().provides("hyperref"));
+               lyxpreamble += oss.str();
+       }
+       
+       // Will be surrounded by \makeatletter and \makeatother when needed
+       docstring atlyxpreamble;
 
        // Some macros LyX will need
        docstring tmppreamble(from_ascii(features.getMacros()));
 
-       if (!tmppreamble.empty()) {
-               lyxpreamble += "\n%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% "
+       if (!tmppreamble.empty())
+               atlyxpreamble += "\n%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% "
                        "LyX specific LaTeX commands.\n"
                        + tmppreamble + '\n';
-       }
 
        // the text class specific preamble
        tmppreamble = features.getTClassPreamble();
-       if (!tmppreamble.empty()) {
-               lyxpreamble += "%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% "
+       if (!tmppreamble.empty())
+               atlyxpreamble += "%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% "
                        "Textclass specific LaTeX commands.\n"
                        + tmppreamble + '\n';
-       }
 
        /* the user-defined preamble */
-       if (!preamble.empty()) {
+       if (!preamble.empty())
                // FIXME UNICODE
-               lyxpreamble += "%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% "
+               atlyxpreamble += "%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% "
                        "User specified LaTeX commands.\n"
                        + from_utf8(preamble) + '\n';
+
+       // subfig loads internally the LaTeX package "caption". As
+       // caption is a very popular package, users will load it in
+       // the preamble. Therefore we must load subfig behind the
+       // user-defined preamble and check if the caption package was
+       // loaded or not. For the case that caption is loaded before
+       // subfig, there is the subfig option "caption=false". This
+       // option also works when a koma-script class is used and
+       // koma's own caption commands are used instead of caption. We
+       // use \PassOptionsToPackage here because the user could have
+       // already loaded subfig in the preamble.
+       if (features.isRequired("subfig")) {
+               atlyxpreamble += "\\@ifundefined{showcaptionsetup}{}{%\n"
+                       " \\PassOptionsToPackage{caption=false}{subfig}}\n"
+                       "\\usepackage{subfig}\n";
        }
 
        // Itemize bullet settings need to be last in case the user
@@ -1232,9 +1418,24 @@ bool BufferParams::writeLaTeX(odocstream & os, LaTeXFeatures & features,
        }
 
        if (!bullets_def.empty())
-               lyxpreamble += bullets_def + "}\n\n";
-
-       lyxpreamble += "\\makeatother\n\n";
+               atlyxpreamble += bullets_def + "}\n\n";
+
+       if (atlyxpreamble.find(from_ascii("@")) != docstring::npos)
+               lyxpreamble += "\n\\makeatletter\n"
+                       + atlyxpreamble + "\\makeatother\n\n";
+       else
+               lyxpreamble += '\n' + atlyxpreamble;
+
+       // We try to load babel late, in case it interferes with other packages.
+       // Jurabib and Hyperref have to be called after babel, though.
+       if (use_babel && !features.isRequired("jurabib")
+           && !features.isRequired("hyperref")
+           && !features.isRequired("vietnamese")
+           && !features.isRequired("japanese")) {
+               // FIXME UNICODE
+               lyxpreamble += babelCall(features, language_options.str()) + '\n';
+               lyxpreamble += from_utf8(features.getBabelOptions()) + '\n';
+       }
 
        int const nlines =
                int(count(lyxpreamble.begin(), lyxpreamble.end(), '\n'));
@@ -1249,12 +1450,12 @@ bool BufferParams::writeLaTeX(odocstream & os, LaTeXFeatures & features,
 
 void BufferParams::useClassDefaults()
 {
-       TextClass const & tclass = textclasslist[baseClass_];
+       DocumentClass const & tclass = documentClass();
 
        sides = tclass.sides();
        columns = tclass.columns();
        pagestyle = tclass.pagestyle();
-       options = tclass.options();
+       use_default_options = true;
        // Only if class has a ToC hierarchy
        if (tclass.hasTocLevels()) {
                secnumdepth = tclass.secnumdepth();
@@ -1265,68 +1466,134 @@ void BufferParams::useClassDefaults()
 
 bool BufferParams::hasClassDefaults() const
 {
-       TextClass const & tclass = textclasslist[baseClass_];
+       DocumentClass const & tclass = documentClass();
 
-       return (sides == tclass.sides()
+       return sides == tclass.sides()
                && columns == tclass.columns()
                && pagestyle == tclass.pagestyle()
-               && options == tclass.options()
+               && use_default_options
                && secnumdepth == tclass.secnumdepth()
-               && tocdepth == tclass.tocdepth());
+               && tocdepth == tclass.tocdepth();
 }
 
 
-TextClass const & BufferParams::getTextClass() const
+DocumentClass const & BufferParams::documentClass() const
 {
-       return *textClass_;
+       return *doc_class_;
 }
 
 
-TextClassPtr BufferParams::getTextClassPtr() const {
-       return textClass_;
+DocumentClass const * BufferParams::documentClassPtr() const {
+       return doc_class_;
 }
 
 
-void BufferParams::setTextClass(TextClassPtr tc) {
-       textClass_ = tc;
+void BufferParams::setDocumentClass(DocumentClass const * const tc) {
+       // evil, but this function is evil
+       doc_class_ = const_cast<DocumentClass *>(tc);
 }
 
 
-bool BufferParams::setBaseClass(textclass_type tc)
+bool BufferParams::setBaseClass(string const & classname)
 {
-       bool retVal = true;
-       if (textclasslist[tc].load())
-               baseClass_ = tc;
-       else {
+       LYXERR(Debug::TCLASS, "setBaseClass: " << classname);
+       LayoutFileList & bcl = LayoutFileList::get();
+       if (!bcl.haveClass(classname)) {
+               docstring s = 
+                       bformat(_("The document class %1$s could not be found. "
+                               "A default textclass with default layouts will be used. "
+                               "LyX might not be able to produce output unless a correct "
+                               "textclass is selected from the document settings dialog."),
+                       from_utf8(classname));
+               frontend::Alert::error(_("Document class not found"), s);
+               bcl.addEmptyClass(classname);
+       }
+
+       bool const success = bcl[classname].load();
+       if (!success) {
                docstring s = 
                        bformat(_("The document class %1$s could not be loaded."),
-                from_utf8(textclasslist[tc].name()));
+                       from_utf8(classname));
                frontend::Alert::error(_("Could not load class"), s);
-               retVal = false;
+               return false;
        }
-       makeTextClass();
-       return retVal;
+
+       pimpl_->baseClass_ = classname;
+
+       // add any required modules not already in use
+       list<string> const & mods = baseClass()->defaultModules();
+       list<string>::const_iterator mit = mods.begin();
+       list<string>::const_iterator men = mods.end();
+       for (; mit != men; mit++) {
+               string const & modName = *mit;
+               // see if we're already in use
+               if (find(layoutModules_.begin(), layoutModules_.end(), modName) !=
+                   layoutModules_.end()) {
+                       LYXERR(Debug::TCLASS, "Default module `" << modName << 
+                                       "' not added because already used.");
+                       continue;
+               }
+               // make sure the user hasn't removed it
+               if (find(removedModules_.begin(), removedModules_.end(), modName) !=
+                   removedModules_.end()) {
+                       LYXERR(Debug::TCLASS, "Default module `" << modName << 
+                                       "' not added because removed by user.");
+                       continue;
+               }
+               // Now we want to check the list of selected modules to see if any of them
+               // exclude this one.
+               bool foundit = false;
+               // so iterate over the selected modules...
+               LayoutModuleList::const_iterator lit = layoutModules_.begin();
+               LayoutModuleList::const_iterator len = layoutModules_.end();
+               for (; lit != len; lit++) {
+                       LyXModule * lm = moduleList[*lit];
+                       if (!lm)
+                               continue;
+                       vector<string> const & exc = lm->getExcludedModules();
+                       // ...and see if this one excludes us.
+                       if (find(exc.begin(), exc.end(), modName) != exc.end()) {
+                               foundit = true;
+                               LYXERR(Debug::TCLASS, "Default module `" << modName << 
+                                               "' not added because excluded by loaded module `" << 
+                                               *lit << "'.");
+                               break;
+                       }
+               }
+               if (!foundit) {
+                       LYXERR(Debug::TCLASS, "Default module `" << modName << "' added.");
+                       layoutModules_.push_back(modName);
+               }
+       }
+       return true;
 }
 
 
-void BufferParams::setJustBaseClass(textclass_type tc)
-{ 
-       baseClass_ = tc; 
+LayoutFile const * BufferParams::baseClass() const
+{
+       if (LayoutFileList::get().haveClass(pimpl_->baseClass_))
+               return &(LayoutFileList::get()[pimpl_->baseClass_]);
+       else 
+               return 0;
 }
 
 
-textclass_type BufferParams::getBaseClass() const
+LayoutFileIndex const & BufferParams::baseClassID() const
 {
-       return baseClass_;
+       return pimpl_->baseClass_;
 }
 
 
-void BufferParams::makeTextClass()
+void BufferParams::makeDocumentClass()
 {
-       textClass_.reset(new TextClass(textclasslist[getBaseClass()]));
-       //FIXME It might be worth loading the children's modules here,
-       //just as we load their bibliographies and such, instead of just 
-       //doing a check in InsetInclude.
+       if (!baseClass())
+               return;
+
+       doc_class_ = &(DocumentClassBundle::get().newClass(*baseClass()));
+
+       // FIXME It might be worth loading the children's modules here,
+       // just as we load their bibliographies and such, instead of just 
+       // doing a check in InsetInclude.
        LayoutModuleList::const_iterator it = layoutModules_.begin();
        for (; it != layoutModules_.end(); it++) {
                string const modName = *it;
@@ -1336,63 +1603,51 @@ void BufferParams::makeTextClass()
                                bformat(_("The module %1$s has been requested by\n"
                                        "this document but has not been found in the list of\n"
                                        "available modules. If you recently installed it, you\n"
-                                       "probalby need to reconfigure LyX.\n"), from_utf8(modName));
+                                       "probably need to reconfigure LyX.\n"), from_utf8(modName));
                        frontend::Alert::warning(_("Module not available"),
                                        msg + _("Some layouts may not be available."));
-                       lyxerr << "BufferParams::makeTextClass(): Module " <<
-                                       modName << " requested but not found in module list." <<
-                                       endl;
+                       LYXERR0("BufferParams::makeDocumentClass(): Module " <<
+                                       modName << " requested but not found in module list.");
                        continue;
                }
-               FileName layout_file = libFileSearch("layouts", lm->filename);
-               textClass_->read(layout_file, TextClass::MODULE);
+               if (!lm->isAvailable()) {
+                       docstring const msg =
+                                               bformat(_("The module %1$s requires a package that is\n"
+                                               "not available in your LaTeX installation. LaTeX output\n"
+                                               "may not be possible.\n"), from_utf8(modName));
+                       frontend::Alert::warning(_("Package not available"), msg);
+               }
+               FileName layout_file = libFileSearch("layouts", lm->getFilename());
+               if (!doc_class_->read(layout_file, TextClass::MODULE)) {
+                       docstring const msg =
+                               bformat(_("Error reading module %1$s\n"), from_utf8(modName));
+                       frontend::Alert::warning(_("Read Error"), msg);
+               }
+       }
+       if (!local_layout.empty()) {
+               if (!doc_class_->read(local_layout, TextClass::MODULE)) {
+                       docstring const msg = _("Error reading internal layout information");
+                       frontend::Alert::warning(_("Read Error"), msg);
+               }
        }
 }
 
 
-std::vector<string> const & BufferParams::getModules() const {
-       return layoutModules_;
-}
-
-
-
-bool BufferParams::addLayoutModule(string modName, bool makeClass) {
+bool BufferParams::addLayoutModule(string const & modName) 
+{
        LayoutModuleList::const_iterator it = layoutModules_.begin();
        LayoutModuleList::const_iterator end = layoutModules_.end();
-       for (; it != end; it++) {
+       for (; it != end; it++)
                if (*it == modName) 
-                       break;
-       }
-       if (it != layoutModules_.end())
-               return false;
+                       return false;
        layoutModules_.push_back(modName);
-       if (makeClass)
-               makeTextClass();
        return true;
 }
 
 
-bool BufferParams::addLayoutModules(std::vector<string>modNames)
-{
-       bool retval = true;
-       std::vector<string>::const_iterator it = modNames.begin();
-       std::vector<string>::const_iterator end = modNames.end();
-       for (; it != end; ++it)
-               retval &= addLayoutModule(*it, false);
-       makeTextClass();
-       return retval;
-}
-
-
-void BufferParams::clearLayoutModules() {
-       layoutModules_.clear();
-       makeTextClass();
-}
-
-
 Font const BufferParams::getFont() const
 {
-       FontInfo f = getTextClass().defaultfont();
+       FontInfo f = documentClass().defaultfont();
        if (fontsDefaultFamily == "rmdefault")
                f.setFamily(ROMAN_FAMILY);
        else if (fontsDefaultFamily == "sfdefault")
@@ -1413,6 +1668,16 @@ void BufferParams::readPreamble(Lexer & lex)
 }
 
 
+void BufferParams::readLocalLayout(Lexer & lex)
+{
+       if (lex.getString() != "\\begin_local_layout")
+               lyxerr << "Error (BufferParams::readLocalLayout):"
+                       "consistency check failed." << endl;
+
+       local_layout = lex.getLongString("\\end_local_layout");
+}
+
+
 void BufferParams::readLanguage(Lexer & lex)
 {
        if (!lex.next()) return;
@@ -1433,7 +1698,8 @@ void BufferParams::readLanguage(Lexer & lex)
 
 void BufferParams::readGraphicsDriver(Lexer & lex)
 {
-       if (!lex.next()) return;
+       if (!lex.next()) 
+               return;
 
        string const tmptok = lex.getString();
        // check if tmptok is part of tex_graphics in tex_defs.h
@@ -1444,7 +1710,8 @@ void BufferParams::readGraphicsDriver(Lexer & lex)
                if (test == tmptok) {
                        graphicsDriver = tmptok;
                        break;
-               } else if (test == "") {
+               }
+               if (test.empty()) {
                        lex.printError(
                                "Warning: graphics driver `$$Token' not recognized!\n"
                                "         Setting graphics driver to `default'.\n");
@@ -1457,7 +1724,8 @@ void BufferParams::readGraphicsDriver(Lexer & lex)
 
 void BufferParams::readBullets(Lexer & lex)
 {
-       if (!lex.next()) return;
+       if (!lex.next()) 
+               return;
 
        int const index = lex.getInteger();
        lex.next();
@@ -1476,7 +1744,8 @@ void BufferParams::readBullets(Lexer & lex)
 void BufferParams::readBulletsLaTeX(Lexer & lex)
 {
        // The bullet class should be able to read this.
-       if (!lex.next()) return;
+       if (!lex.next()) 
+               return;
        int const index = lex.getInteger();
        lex.next(true);
        docstring const temp_str = lex.getDocString();
@@ -1503,27 +1772,93 @@ void BufferParams::readModules(Lexer & lex)
 }
 
 
-string const BufferParams::paperSizeName() const
+void BufferParams::readRemovedModules(Lexer & lex)
+{
+       if (!lex.eatLine()) {
+               lyxerr << "Error (BufferParams::readRemovedModules):"
+                               "Unexpected end of input." << endl;
+               return;
+       }
+       while (true) {
+               string mod = lex.getString();
+               if (mod == "\\end_removed_modules")
+                       break;
+               removedModules_.insert(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 
+       // start of the read.
+       set<string>::const_iterator rit = removedModules_.begin();
+       set<string>::const_iterator const ren = removedModules_.end();
+       for (; rit != ren; rit++) {
+               LayoutModuleList::iterator const mit = layoutModules_.begin();
+               LayoutModuleList::iterator const men = layoutModules_.end();
+               LayoutModuleList::iterator found = find(mit, men, *rit);
+               if (found == men)
+                       continue;
+               layoutModules_.erase(found);
+       }
+}
+
+
+string BufferParams::paperSizeName(PapersizePurpose purpose) const
 {
        char real_papersize = papersize;
        if (real_papersize == PAPER_DEFAULT)
                real_papersize = lyxrc.default_papersize;
 
        switch (real_papersize) {
+       case PAPER_DEFAULT:
+               // could be anything, so don't guess
+               return string();
+       case PAPER_CUSTOM: {
+               if (purpose == XDVI && !paperwidth.empty() &&
+                   !paperheight.empty()) {
+                       // heightxwidth<unit>
+                       string first = paperwidth;
+                       string second = paperheight;
+                       if (orientation == ORIENTATION_LANDSCAPE)
+                               first.swap(second);
+                       // cut off unit.
+                       return first.erase(first.length() - 2)
+                               + "x" + second;
+               }
+               return string();
+       }
        case PAPER_A3:
                return "a3";
        case PAPER_A4:
                return "a4";
        case PAPER_A5:
                return "a5";
+       case PAPER_B3:
+               // dvips and dvipdfm do not know this
+               if (purpose == DVIPS || purpose == DVIPDFM)
+                       return string();
+               return "b3";
+       case PAPER_B4:
+               // dvipdfm does not know this
+               if (purpose == DVIPDFM)
+                       return string();
+               return "b4";
        case PAPER_B5:
+               // dvipdfm does not know this
+               if (purpose == DVIPDFM)
+                       return string();
                return "b5";
        case PAPER_USEXECUTIVE:
+               // dvipdfm does not know this
+               if (purpose == DVIPDFM)
+                       return string();
                return "foolscap";
        case PAPER_USLEGAL:
                return "legal";
        case PAPER_USLETTER:
        default:
+               if (purpose == XDVI)
+                       return "us";
                return "letter";
        }
 }
@@ -1543,9 +1878,9 @@ string const BufferParams::dvips_options() const
                result += ' ' + paperwidth;
                result += ',' + paperheight;
        } else {
-               string const paper_option = paperSizeName();
-               if (paper_option != "letter" ||
-                   orientation != ORIENTATION_LANDSCAPE) {
+               string const paper_option = paperSizeName(DVIPS);
+               if (!paper_option.empty() && (paper_option != "letter" ||
+                   orientation != ORIENTATION_LANDSCAPE)) {
                        // dvips won't accept -t letter -t landscape.
                        // In all other cases, include the paper size
                        // explicitly.
@@ -1560,27 +1895,6 @@ string const BufferParams::dvips_options() const
 }
 
 
-string const BufferParams::babelCall(string const & lang_opts) const
-{
-       string lang_pack = lyxrc.language_package;
-       if (lang_pack != "\\usepackage{babel}")
-               return lang_pack;
-       // suppress the babel call when there is no babel language defined
-       // for the document language in the lib/languages file and if no
-       // other languages are used (lang_opts is then empty)
-       if (lang_opts.empty())
-               return string();
-       // when Vietnamese is used, babel must directly be loaded with the
-       // language options, see
-       // http://www.mail-archive.com/lyx-devel@lists.lyx.org/msg129417.html
-       size_t viet = lang_opts.find("vietnam");
-       // viet = string::npos when not found
-       if (!lyxrc.language_global_options || viet != string::npos)
-               return "\\usepackage[" + lang_opts + "]{babel}";
-       return lang_pack;
-}
-
-
 void BufferParams::writeEncodingPreamble(odocstream & os,
                LaTeXFeatures & features, TexRow & texrow) const
 {
@@ -1592,20 +1906,20 @@ void BufferParams::writeEncodingPreamble(odocstream & os,
 
                // Create a list with all the input encodings used
                // in the document
-               std::set<string> encodings =
+               set<string> encodings =
                        features.getEncodingSet(doc_encoding);
 
-               // When the encodings EUC-JP-plain, JIS-plain, or SJIS-plainare used, the
-               // package inputenc must be omitted. Therefore set the encoding to empty.
+               // If the "japanese" package (i.e. pLaTeX) is used,
+               // inputenc must be omitted.
                // see http://www.mail-archive.com/lyx-devel@lists.lyx.org/msg129680.html
-               if (doc_encoding == "EUC-JP-plain" || doc_encoding == "JIS-plain" ||
-                       doc_encoding == "SJIS-plain")
-                       encodings.clear();
+               if (package == Encoding::japanese)
+                    features.require("japanese");
 
-               if (!encodings.empty() || package == Encoding::inputenc) {
+               if ((!encodings.empty() || package == Encoding::inputenc)
+                   && !features.isRequired("japanese")) {
                        os << "\\usepackage[";
-                       std::set<string>::const_iterator it = encodings.begin();
-                       std::set<string>::const_iterator const end = encodings.end();
+                       set<string>::const_iterator it = encodings.begin();
+                       set<string>::const_iterator const end = encodings.end();
                        if (it != end) {
                                os << from_ascii(*it);
                                ++it;
@@ -1620,15 +1934,19 @@ void BufferParams::writeEncodingPreamble(odocstream & os,
                        os << "]{inputenc}\n";
                        texrow.newline();
                }
-               if (package == Encoding::CJK) {
+               if (package == Encoding::CJK || features.mustProvide("CJK")) {
                        os << "\\usepackage{CJK}\n";
                        texrow.newline();
                }
        } else if (inputenc != "default") {
                switch (encoding().package()) {
                case Encoding::none:
+               case Encoding::japanese:
                        break;
                case Encoding::inputenc:
+                       // do not load inputenc if japanese is used
+                       if (features.isRequired("japanese"))
+                               break;
                        os << "\\usepackage[" << from_ascii(inputenc)
                           << "]{inputenc}\n";
                        texrow.newline();
@@ -1640,9 +1958,10 @@ void BufferParams::writeEncodingPreamble(odocstream & os,
                }
        }
 
-       // The encoding "armscii8" is only available when the package "armtex" is loaded.
-       // armscii8 is used for Armenian.
-       if (language->encoding()->latexName() == "armscii8" || inputenc == "armscii8") {
+       // The encoding "armscii8" (for Armenian) is only available when
+       // the package "armtex" is loaded.
+       if (language->encoding()->latexName() == "armscii8"
+           || inputenc == "armscii8") {
                os << "\\usepackage{armtex}\n";
                texrow.newline();
        }
@@ -1779,7 +2098,7 @@ string const BufferParams::loadFonts(string const & rm,
        else if (tt == "courier" )
                os << "\\usepackage{" << tt << "}\n";
        // Computer Modern, Latin Modern, CM Bright
-       else if  (tt != "default")
+       else if (tt != "default")
                os << "\\renewcommand{\\ttdefault}{" << tt << "}\n";
 
        return os.str();
@@ -1789,29 +2108,28 @@ string const BufferParams::loadFonts(string const & rm,
 Encoding const & BufferParams::encoding() const
 {
        if (inputenc == "auto" || inputenc == "default")
-               return *(language->encoding());
-       Encoding const * const enc =
-               encodings.getFromLaTeXName(inputenc);
+               return *language->encoding();
+       Encoding const * const enc = encodings.fromLaTeXName(inputenc);
        if (enc)
                return *enc;
-       lyxerr << "Unknown inputenc value `" << inputenc
-              << "'. Using `auto' instead." << endl;
-       return *(language->encoding());
+       LYXERR0("Unknown inputenc value `" << inputenc
+              << "'. Using `auto' instead.");
+       return *language->encoding();
 }
 
 
-biblio::CiteEngine BufferParams::getEngine() const
+CiteEngine BufferParams::citeEngine() const
 {
        // FIXME the class should provide the numerical/
        // authoryear choice
-       if (getTextClass().provides("natbib")
-           && cite_engine_ != biblio::ENGINE_NATBIB_NUMERICAL)
-               return biblio::ENGINE_NATBIB_AUTHORYEAR;
+       if (documentClass().provides("natbib")
+           && cite_engine_ != ENGINE_NATBIB_NUMERICAL)
+               return ENGINE_NATBIB_AUTHORYEAR;
        return cite_engine_;
 }
 
 
-void BufferParams::setCiteEngine(biblio::CiteEngine const cite_engine)
+void BufferParams::setCiteEngine(CiteEngine cite_engine)
 {
        cite_engine_ = cite_engine;
 }