]> git.lyx.org Git - lyx.git/blobdiff - src/output_latex.cpp
Correctly set language after intitle paragraphs
[lyx.git] / src / output_latex.cpp
index a516c0d295a9e371d6fc7c1cc83986c47d992291..4124d2dd1c92fde9f5cf08cb62ca29808ed1277f 100644 (file)
@@ -64,7 +64,7 @@ enum OpenEncoding {
 struct OutputState
 {
        OutputState() : open_encoding_(none), cjk_inherited_(0),
-       prev_env_language_(nullptr), nest_level_(0)
+               prev_env_language_(nullptr), nest_level_(0)
        {
        }
        OpenEncoding open_encoding_;
@@ -679,8 +679,12 @@ void parStartCommand(Paragraph const & par, otexstream & os,
 {
        switch (style.latextype) {
        case LATEX_COMMAND:
-               if (par.needsCProtection(runparams.moving_arg))
+               if (par.needsCProtection(runparams.moving_arg)) {
+                       if (contains(runparams.active_chars, '^'))
+                               // cprotect relies on ^ being on catcode 7
+                               os << "\\begingroup\\catcode`\\^=7";
                        os << "\\cprotect";
+               }
                os << '\\' << from_ascii(style.latexname());
 
                // Command arguments
@@ -776,7 +780,7 @@ void TeXOnePar(Buffer const & buf,
        Paragraph const * nextpar = runparams.isLastPar
                ? nullptr : &paragraphs.at(pit + 1);
 
-       bool const intitle_command = style.intitle && style.latextype == LATEX_COMMAND;
+       bool const intitle_command = style.intitle && style.isCommand();
 
        if (style.pass_thru) {
                Font const outerfont = text.outerFont(pit);
@@ -794,8 +798,13 @@ void TeXOnePar(Buffer const & buf,
                // I did not create a parEndCommand for this minuscule
                // task because in the other user of parStartCommand
                // the code is different (JMarc)
-               if (style.isCommand())
-                       os << "}\n";
+               if (style.isCommand()) {
+                       os << "}";
+                       if (par.needsCProtection(runparams.moving_arg)
+                           && contains(runparams.active_chars, '^'))
+                               os << "\\endgroup";
+                       os << "\n";
+               }
                else
                        os << '\n';
                if (!style.parbreak_is_newline) {
@@ -821,7 +830,7 @@ void TeXOnePar(Buffer const & buf,
        // inside of was opened
        Language const * const outer_language =
                (runparams.local_font != nullptr) ?
-               runparams.local_font->language() : doc_language;
+                       runparams.local_font->language() : doc_language;
 
        Paragraph const * priorpar = (pit == 0) ? nullptr : &paragraphs.at(pit - 1);
 
@@ -838,14 +847,31 @@ void TeXOnePar(Buffer const & buf,
                        && priorpar->layout().isEnvironment()
                        && (priorpar->getDepth() > par.getDepth()
                            || (priorpar->getDepth() == par.getDepth()
-                                   && priorpar->layout() != par.layout()));
+                               && priorpar->layout() != par.layout()));
+
+       // We need to ignore previous intitle commands since languages
+       // are switched locally there (# 11514)
+       // There might be paragraphs before the title, so we check this.
+       Paragraph * prior_nontitle_par = nullptr;
+       if (!intitle_command) {
+               pit_type ppit = pit;
+               while (ppit > 0) {
+                       --ppit;
+                       Paragraph const * tmppar = &paragraphs.at(ppit);
+                       if (tmppar->layout().intitle && tmppar->layout().isCommand())
+                               continue;
+                       prior_nontitle_par = const_cast<Paragraph*>(tmppar);
+                       break;
+               }
+       }
        Language const * const prev_language =
-               runparams_in.for_search ?
-                       languages.getLanguage("ignore")
-               :(priorpar && !priorpar->isPassThru())
-                       ? (use_prev_env_language ? state->prev_env_language_
-                                               : priorpar->getParLanguage(bparams))
-                       : outer_language;
+               runparams_in.for_search 
+                       ? languages.getLanguage("ignore")
+                       : (prior_nontitle_par && !prior_nontitle_par->isPassThru())
+                               ? (use_prev_env_language 
+                                       ? state->prev_env_language_
+                                       : prior_nontitle_par->getParLanguage(bparams))
+                               : outer_language;
 
        bool const use_polyglossia = runparams.use_polyglossia;
        string const par_lang = use_polyglossia ?
@@ -970,7 +996,7 @@ void TeXOnePar(Buffer const & buf,
                        if ((runparams.encoding->package() != Encoding::CJK
                                 || bparams.useNonTeXFonts
                                 || runparams.for_search)
-                           && (par_lang != openLanguageName(state) || localswitch)
+                           && (par_lang != openLanguageName(state) || localswitch || intitle_command)
                            && !par_lang.empty()) {
                                string bc = use_polyglossia ?
                                          getPolyglossiaBegin(lang_begin_command, par_lang,
@@ -1116,6 +1142,9 @@ void TeXOnePar(Buffer const & buf,
                                os << runparams.post_macro;
                                runparams.post_macro.clear();
                        }
+                       if (par.needsCProtection(runparams.moving_arg)
+                           && contains(runparams.active_chars, '^'))
+                               os << "\\endgroup";
                        if (runparams.encoding != prev_encoding) {
                                runparams.encoding = prev_encoding;
                                os << setEncoding(prev_encoding->iconvName());
@@ -1183,7 +1212,7 @@ void TeXOnePar(Buffer const & buf,
                && (par_language->lang() != "arabic_arabtex"
                    && outer_language->lang() != "arabic_arabtex")
                // have we opened an \L or \R environment?
-       && runparams.local_font != nullptr
+               && runparams.local_font != nullptr
                && runparams.local_font->isRightToLeft() != par_language->rightToLeft()
                // are we about to close the language?
                &&((nextpar && par_lang != nextpar_lang)
@@ -1270,20 +1299,21 @@ void TeXOnePar(Buffer const & buf,
 
        // InTitle commands need to be closed after the language has been closed.
        if (intitle_command) {
-               if (is_command) {
-                       os << '}';
-                       if (!style.postcommandargs().empty())
-                               latexArgInsets(par, os, runparams, style.postcommandargs(), "post:");
-                       if (!runparams.post_macro.empty()) {
-                               // Output the stored fragile commands (labels, indices etc.)
-                               // that need to be output after the command with moving argument.
-                               os << runparams.post_macro;
-                               runparams.post_macro.clear();
-                       }
-                       if (runparams.encoding != prev_encoding) {
-                               runparams.encoding = prev_encoding;
-                               os << setEncoding(prev_encoding->iconvName());
-                       }
+               os << '}';
+               if (!style.postcommandargs().empty())
+                       latexArgInsets(par, os, runparams, style.postcommandargs(), "post:");
+               if (!runparams.post_macro.empty()) {
+                       // Output the stored fragile commands (labels, indices etc.)
+                       // that need to be output after the command with moving argument.
+                       os << runparams.post_macro;
+                       runparams.post_macro.clear();
+               }
+               if (par.needsCProtection(runparams.moving_arg)
+                   && contains(runparams.active_chars, '^'))
+                       os << "\\endgroup";
+               if (runparams.encoding != prev_encoding) {
+                       runparams.encoding = prev_encoding;
+                       os << setEncoding(prev_encoding->iconvName());
                }
        }
 
@@ -1402,20 +1432,20 @@ void TeXOnePar(Buffer const & buf,
                             && !text.inset().getLayout().parbreakIgnored()
                             && style.latextype != LATEX_ITEM_ENVIRONMENT
                             && style.latextype != LATEX_LIST_ENVIRONMENT
-                            && style.align == par.getAlign()
+                            && style.align == par.getAlign(bparams)
                             && nextpar->getDepth() == par.getDepth()
-                            && nextpar->getAlign() == par.getAlign())
+                            && nextpar->getAlign(bparams) == par.getAlign(bparams))
                            || (!next_layout.isEnvironment()
                                && nextpar->getDepth() > par.getDepth()
-                               && nextpar->getAlign() == next_layout.align)
+                               && nextpar->getAlign(bparams) == next_layout.align)
                            || (!style.isEnvironment()
                                && next_layout.latextype == LATEX_ENVIRONMENT
                                && nextpar->getDepth() < par.getDepth())
                            || (style.isCommand()
                                && !next_layout.isEnvironment()
-                               && style.align == par.getAlign()
-                               && next_layout.align == nextpar->getAlign())
-                           || (style.align != par.getAlign()
+                               && style.align == par.getAlign(bparams)
+                               && next_layout.align == nextpar->getAlign(bparams))
+                           || (style.align != par.getAlign(bparams)
                                && tclass.isDefaultLayout(next_layout))) {
                                os << '\n';
                        }
@@ -1466,7 +1496,8 @@ void latexParagraphs(Buffer const & buf,
                                && runparams.use_CJK))
           ) {
                docstring const cjkenc = bparams.encoding().iconvName() == "UTF-8"
-                                                                ? from_ascii("UTF8") : from_ascii(bparams.encoding().latexName());
+                                                                ? from_ascii("UTF8")
+                                                                : from_ascii(bparams.encoding().latexName());
                os << "\\begin{CJK}{" << cjkenc
                   << "}{" << from_ascii(bparams.fonts_cjk) << "}%\n";
                state->open_encoding_ = CJK;
@@ -1604,8 +1635,10 @@ void latexParagraphs(Buffer const & buf,
 
        // if "auto end" is switched off, explicitly close the language at the end
        // but only if the last par is in a babel or polyglossia language
+       Language const * const lastpar_language =
+                       paragraphs.at(lastpit).getParLanguage(bparams);
        if (maintext && !lyxrc.language_auto_end && !mainlang.empty() &&
-               paragraphs.at(lastpit).getParLanguage(bparams)->encoding()->package() != Encoding::CJK) {
+               lastpar_language->encoding()->package() != Encoding::CJK) {
                os << from_utf8(subst(lang_end_command,
                                        "$$lang",
                                        mainlang))
@@ -1621,12 +1654,14 @@ void latexParagraphs(Buffer const & buf,
                state->open_encoding_ = none;
        }
        // Likewise for polyglossia or when using begin/end commands
-       // or after an active branch inset with a language switch
+       // or at the very end of an active branch inset with a language switch
        Language const * const outer_language = (runparams.local_font != nullptr)
                        ? runparams.local_font->language() : bparams.language;
        string const & prev_lang = runparams.use_polyglossia
                        ? getPolyglossiaEnvName(outer_language)
                        : outer_language->babel();
+       string const lastpar_lang = runparams.use_polyglossia ?
+               getPolyglossiaEnvName(lastpar_language): lastpar_language->babel();
        string const & cur_lang = openLanguageName(state);
        if (((runparams.inbranch && langOpenedAtThisLevel(state) && prev_lang != cur_lang)
             || (maintext && !is_child)) && !cur_lang.empty()) {
@@ -1636,7 +1671,11 @@ void latexParagraphs(Buffer const & buf,
                   << '\n';
                if (using_begin_end)
                        popLanguageName();
-       } else if (runparams.inbranch && !using_begin_end && prev_lang != cur_lang) {
+       } else if (runparams.inbranch && !using_begin_end
+                  && prev_lang != lastpar_lang && !lastpar_lang.empty()) {
+               // with !using_begin_end, cur_lang is empty, so we need to
+               // compare against the paragraph language (and we are in the
+               // last paragraph at this point)
                os << subst(lang_begin_command, "$$lang", prev_lang) << '\n';
        }
 
@@ -1658,14 +1697,10 @@ pair<bool, int> switchEncoding(odocstream & os, BufferParams const & bparams,
                   OutputParams const & runparams, Encoding const & newEnc,
                   bool force, bool noswitchmacro)
 {
-       // Never switch encoding with non-TeX fonts (always "utf8plain"),
-       // with LuaTeX and TeX fonts (only one encoding accepted by luainputenc),
+       // Never switch encoding with XeTeX/LuaTeX
        // or if we're in a moving argument or inherit the outer encoding.
-       if (bparams.useNonTeXFonts
-               || runparams.flavor == OutputParams::LUATEX
-               || runparams.flavor == OutputParams::DVILUATEX
-               || newEnc.name() == "inherit")
-         return make_pair(false, 0);
+       if (runparams.isFullUnicode() || newEnc.name() == "inherit")
+               return make_pair(false, 0);     
 
        // Only switch for auto-selected legacy encodings (inputenc setting
        // "auto-legacy" or "auto-legacy-plain").