]> git.lyx.org Git - lyx.git/blobdiff - src/Language.cpp
Use \babelfonts only if babel >= 3.15 is available.
[lyx.git] / src / Language.cpp
index 34ab1f0caf538862d51d809fcfdfc0d0e0120f8e..52c1c4fcfc2324e93a74c2af15bb0577cc2aee85 100644 (file)
@@ -16,6 +16,7 @@
 #include "Language.h"
 
 #include "Encoding.h"
+#include "LaTeXFonts.h"
 #include "Lexer.h"
 #include "LyXRC.h"
 
@@ -44,6 +45,12 @@ bool Language::isPolyglossiaExclusive() const
 }
 
 
+bool Language::isBabelExclusive() const
+{
+       return !babel().empty() && polyglossia().empty() && requires().empty();
+}
+
+
 docstring const Language::translateLayout(string const & m) const
 {
        if (m.empty())
@@ -65,33 +72,78 @@ docstring const Language::translateLayout(string const & m) const
 }
 
 
+string Language::fontenc(BufferParams const & params) const
+{
+       // Don't use LaTeX fonts, so just return the language's preferred
+       // (although this is not used with nonTeXFonts anyway).
+       if (params.useNonTeXFonts)
+               return fontenc_.front() == "ASCII" ? "T1" : fontenc_.front();
+
+       // Determine optimal font encoding
+       // We check whether the used rm font supports an encoding our language supports
+       LaTeXFont const & lf =
+               theLaTeXFonts().getLaTeXFont(from_ascii(params.fontsRoman()));
+       vector<string> const lfe = lf.fontencs();
+       for (auto & fe : fontenc_) {
+               // ASCII means: support all T* encodings plus OT1
+               if (fe == "ASCII") {
+                       for (auto & afe : lfe) {
+                               if (afe == "OT1" || prefixIs(afe, "T"))
+                                       // we found a suitable one; return that.
+                                       return afe;
+                       }
+               }
+               // For other encodings, just check whether the font supports it
+               if (lf.hasFontenc(fe))
+                       return fe;
+       }
+       // We did not find a suitable one; just take the first in the list,
+       // the priorized one (which is "T1" for ASCII).
+       return fontenc_.front() == "ASCII" ? "T1" : fontenc_.front();
+}
+
+
+string Language::dateFormat(size_t i) const
+{
+       if (i > dateformats_.size())
+               return string();
+       return dateformats_.at(i);
+}
+
+
 bool Language::readLanguage(Lexer & lex)
 {
        enum LanguageTags {
-               LA_AS_BABELOPTS = 1,
-               LA_BABELNAME,
+               LA_BABELNAME = 1,
+               LA_DATEFORMATS,
                LA_ENCODING,
                LA_END,
+               LA_FONTENC,
                LA_GUINAME,
+               LA_HAS_GUI_SUPPORT,
                LA_INTERNAL_ENC,
                LA_LANG_CODE,
                LA_LANG_VARIETY,
                LA_POLYGLOSSIANAME,
                LA_POLYGLOSSIAOPTS,
                LA_POSTBABELPREAMBLE,
-               LA_QUOTESTYLE,
                LA_PREBABELPREAMBLE,
+               LA_PROVIDES,
                LA_REQUIRES,
-               LA_RTL
+               LA_QUOTESTYLE,
+               LA_RTL,
+               LA_WORDWRAP
        };
 
        // Keep these sorted alphabetically!
        LexerKeyword languageTags[] = {
-               { "asbabeloptions",       LA_AS_BABELOPTS },
                { "babelname",            LA_BABELNAME },
+               { "dateformats",          LA_DATEFORMATS },
                { "encoding",             LA_ENCODING },
                { "end",                  LA_END },
+               { "fontencoding",         LA_FONTENC },
                { "guiname",              LA_GUINAME },
+               { "hasguisupport",        LA_HAS_GUI_SUPPORT },
                { "internalencoding",     LA_INTERNAL_ENC },
                { "langcode",             LA_LANG_CODE },
                { "langvariety",          LA_LANG_VARIETY },
@@ -99,9 +151,11 @@ bool Language::readLanguage(Lexer & lex)
                { "polyglossiaopts",      LA_POLYGLOSSIAOPTS },
                { "postbabelpreamble",    LA_POSTBABELPREAMBLE },
                { "prebabelpreamble",     LA_PREBABELPREAMBLE },
+               { "provides",             LA_PROVIDES },
                { "quotestyle",           LA_QUOTESTYLE },
                { "requires",             LA_REQUIRES },
-               { "rtl",                  LA_RTL }
+               { "rtl",                  LA_RTL },
+               {"wordwrap",              LA_WORDWRAP }
        };
 
        bool error = false;
@@ -127,9 +181,6 @@ bool Language::readLanguage(Lexer & lex)
                case LA_END: // end of structure
                        finished = true;
                        break;
-               case LA_AS_BABELOPTS:
-                       lex >> as_babel_options_;
-                       break;
                case LA_BABELNAME:
                        lex >> babel_;
                        break;
@@ -145,9 +196,26 @@ bool Language::readLanguage(Lexer & lex)
                case LA_ENCODING:
                        lex >> encodingStr_;
                        break;
+               case LA_FONTENC: {
+                       lex.eatLine();
+                       vector<string> const fe =
+                               getVectorFromString(lex.getString(true), "|");
+                       fontenc_.insert(fontenc_.end(), fe.begin(), fe.end());
+                       break;
+               }
+               case LA_DATEFORMATS: {
+                       lex.eatLine();
+                       vector<string> const df =
+                               getVectorFromString(trim(lex.getString(true), "\""), "|");
+                       dateformats_.insert(dateformats_.end(), df.begin(), df.end());
+                       break;
+               }
                case LA_GUINAME:
                        lex >> display_;
                        break;
+               case LA_HAS_GUI_SUPPORT:
+                       lex >> has_gui_support_;
+                       break;
                case LA_INTERNAL_ENC:
                        lex >> internal_enc_;
                        break;
@@ -159,18 +227,24 @@ bool Language::readLanguage(Lexer & lex)
                        break;
                case LA_POSTBABELPREAMBLE:
                        babel_postsettings_ =
-                               lex.getLongString("EndPostBabelPreamble");
+                               lex.getLongString(from_ascii("EndPostBabelPreamble"));
                        break;
                case LA_PREBABELPREAMBLE:
                        babel_presettings_ =
-                               lex.getLongString("EndPreBabelPreamble");
+                               lex.getLongString(from_ascii("EndPreBabelPreamble"));
                        break;
                case LA_REQUIRES:
                        lex >> requires_;
                        break;
+               case LA_PROVIDES:
+                       lex >> provides_;
+                       break;
                case LA_RTL:
                        lex >> rightToLeft_;
                        break;
+               case LA_WORDWRAP:
+                       lex >> word_wrap_;
+                       break;
                }
        }
        lex.popTable();
@@ -180,7 +254,6 @@ bool Language::readLanguage(Lexer & lex)
 
 bool Language::read(Lexer & lex)
 {
-       as_babel_options_ = 0;
        encoding_ = 0;
        internal_enc_ = 0;
        rightToLeft_ = 0;
@@ -202,17 +275,23 @@ bool Language::read(Lexer & lex)
                encoding_ = encodings.fromLyXName("iso8859-1");
                LYXERR0("Unknown encoding " << encodingStr_);
        }
+       if (fontenc_.empty())
+               fontenc_.push_back("ASCII");
+       if (dateformats_.empty()) {
+               dateformats_.push_back("MMMM dd, yyyy");
+               dateformats_.push_back("MMM dd, yyyy");
+               dateformats_.push_back("M/d/yyyy");
+       }
        return true;
 }
 
 
 void Language::readLayoutTranslations(Language::TranslationMap const & trans, bool replace)
 {
-       TranslationMap::const_iterator const end = trans.end();
-       for (TranslationMap::const_iterator it = trans.begin(); it != end; ++it) {
+       for (auto const & t : trans) {
                if (replace
-                       || layoutTranslations_.find(it->first) == layoutTranslations_.end())
-                       layoutTranslations_[it->first] = it->second;
+                   || layoutTranslations_.find(t.first) == layoutTranslations_.end())
+                       layoutTranslations_[t.first] = t.second;
        }
 }
 
@@ -250,13 +329,13 @@ void Languages::read(FileName const & filename)
                        static const Language ignore_lang = l;
                        ignore_language = &ignore_lang;
                } else
-                       languagelist[l.lang()] = l;
+                       languagelist_[l.lang()] = l;
        }
 
        default_language = getLanguage("english");
        if (!default_language) {
                LYXERR0("Default language \"english\" not found!");
-               default_language = &(*languagelist.begin()).second;
+               default_language = &(*languagelist_.begin()).second;
                LYXERR0("Using \"" << default_language->lang() << "\" instead!");
        }
 
@@ -313,6 +392,24 @@ Match match(string const & code, Language const & lang)
        return NoMatch;
 }
 
+} // namespace
+
+
+
+Language const * Languages::getFromCode(string const & code) const
+{
+       // Try for exact match first
+       for (auto const & l : languagelist_) {
+               if (match(code, l.second) == ExactMatch)
+                       return &l.second;
+       }
+       // If not found, look for lang prefix (without country) instead
+       for (auto const & l : languagelist_) {
+               if (match(code, l.second) == ApproximateMatch)
+                       return &l.second;
+       }
+       LYXERR0("Unknown language `" + code + "'");
+       return 0;
 }
 
 
@@ -323,10 +420,7 @@ void Languages::readLayoutTranslations(support::FileName const & filename)
        lex.setContext("Languages::read");
 
        // 1) read all translations (exact and approximate matches) into trans
-       typedef std::map<string, Language::TranslationMap> TransMap;
-       TransMap trans;
-       LanguageList::iterator const lbeg = languagelist.begin();
-       LanguageList::iterator const lend = languagelist.end();
+       std::map<string, Language::TranslationMap> trans;
        while (lex.isOK()) {
                if (!lex.checkFor("Translation")) {
                        if (lex.isOK())
@@ -336,13 +430,7 @@ void Languages::readLayoutTranslations(support::FileName const & filename)
                if (!lex.next(true))
                        break;
                string const code = lex.getString();
-               bool found = false;
-               for (LanguageList::iterator lit = lbeg; lit != lend; ++lit) {
-                       if (match(code, lit->second) != NoMatch) {
-                               found = true;
-                               break;
-                       }
-               }
+               bool found = getFromCode(code);
                if (!found) {
                        lex.printError("Unknown language `" + code + "'");
                        break;
@@ -356,15 +444,12 @@ void Languages::readLayoutTranslations(support::FileName const & filename)
 
        // 2) merge all translations into the languages
        // exact translations overwrite approximate ones
-       TransMap::const_iterator const tbeg = trans.begin();
-       TransMap::const_iterator const tend = trans.end();
-       for (TransMap::const_iterator tit = tbeg; tit != tend; ++tit) {
-               for (LanguageList::iterator lit = lbeg; lit != lend; ++lit) {
-                       Match const m = match(tit->first, lit->second);
+       for (auto & tr : trans) {
+               for (auto & lang : languagelist_) {
+                       Match const m = match(tr.first, lang.second);
                        if (m == NoMatch)
                                continue;
-                       lit->second.readLayoutTranslations(tit->second,
-                                                          m == ExactMatch);
+                       lang.second.readLayoutTranslations(tr.second, m == ExactMatch);
                }
        }
 
@@ -377,8 +462,8 @@ Language const * Languages::getLanguage(string const & language) const
                return reset_language;
        if (language == "ignore")
                return ignore_language;
-       const_iterator it = languagelist.find(language);
-       return it == languagelist.end() ? reset_language : &it->second;
+       const_iterator it = languagelist_.find(language);
+       return it == languagelist_.end() ? reset_language : &it->second;
 }