]> git.lyx.org Git - lyx.git/blobdiff - src/Paragraph.cpp
de.po
[lyx.git] / src / Paragraph.cpp
index 0ad14ce353ae664e5c51a155103e10b28270b5ca..59cfa6457674363a652c7373dd3fbe66b4418810 100644 (file)
@@ -329,15 +329,6 @@ public:
                             Font const & font,
                             Layout const & style);
 
-       /// Output consecutive unicode chars, belonging to the same script as
-       /// specified by the latex macro \p ltx, to \p os starting from \p i.
-       /// \return the number of characters written.
-       int writeScriptChars(BufferParams const &, OutputParams const &,
-                            otexstream & os,
-                            docstring const & ltx,
-                            Change const &, Encoding const &,
-                            std::string const, pos_type & i);
-
        /// This could go to ParagraphParameters if we want to.
        int startTeXParParams(BufferParams const &, otexstream &,
                              OutputParams const &) const;
@@ -365,7 +356,7 @@ public:
                                   BufferParams const & bparams,
                                   OutputParams const & runparams,
                                   Font const & running_font,
-                                  Change const & running_change,
+                                  string & alien_script,
                                   Layout const & style,
                                   pos_type & i,
                                   pos_type end_pos,
@@ -891,48 +882,15 @@ int Paragraph::Private::latexSurrogatePair(BufferParams const & bparams,
        }
        docstring latex2 = encoding.latexChar(c).first;
 
-       // Handle combining characters in "script" context (i.e., \textgreek and \textcyrillic)
-       docstring::size_type const brace1 = latex2.find_first_of(from_ascii("{"));
-       docstring::size_type const brace2 = latex2.find_last_of(from_ascii("}"));
-       string script = to_ascii(latex2.substr(1, brace1 - 1));
-
-       // Greek and Cyrillic letters need to be wrapped in \textcyrillic and \textgreek  if they
-       // are not encodable in the current font encoding (regardless of the input encoding).
-       bool scriptchar = false;
-       if (!bparams.useNonTeXFonts) // With non-TeX fonts the font encoding is Unicode.
-               scriptchar = Encodings::isKnownScriptChar(c, script);
-
-       if (!scriptchar && docstring(1, next) == latex1) {
-               // Font and input encoding support the combination:
+       if (bparams.useNonTeXFonts || docstring(1, next) == latex1) {
+               // Encoding supports the combination:
                // output as is (combining char after base char).
                os << latex2 << latex1;
                return latex1.length() + latex2.length();
        }
 
-       int pos = 0;
-       int length = brace2;
-       string fontenc;
-       if (runparams.local_font)
-               fontenc = runparams.local_font->language()->fontenc(bparams);
-       else
-               fontenc = bparams.language->fontenc(bparams);
-       docstring scriptmacro;
-       docstring cb;
-       if (script == "textgreek" || script == "textcyrillic") {
-               // Strip the \text(greek|cyrillic) script macro  ...
-               pos = brace1 + 1;
-               length -= pos;
-               latex2 = latex2.substr(pos, length);
-               // and place it before the accent macro if required (#6463)
-               if (Encodings::needsScriptWrapper(script, fontenc)
-                       || runparams.isFullUnicode()) {
-                       scriptmacro = from_ascii("\\" + script + "{");
-                       cb = from_ascii("}");
-               }
-       }
-
-       os << scriptmacro << latex1 << "{" << latex2 << "}" << cb;
-       return latex1.length() + 1 + latex2.length() + 1 + cb.length();
+       os << latex1 << "{" << latex2 << "}";
+       return latex1.length() + latex2.length() + 2;
 }
 
 
@@ -982,96 +940,6 @@ bool Paragraph::Private::simpleTeXBlanks(BufferParams const & bparams,
 }
 
 
-int Paragraph::Private::writeScriptChars(BufferParams const & bparams,
-                                        OutputParams const & runparams,
-                                        otexstream & os,
-                                        docstring const & ltx,
-                                        Change const & runningChange,
-                                        Encoding const & encoding,
-                                        string const fontenc,
-                                        pos_type & i)
-{
-       // FIXME: modifying i here is not very nice...
-
-       // We only arrive here when character text_[i] could not be translated
-       // into the current latex encoding (or its latex translation has been forced,)
-       // and it belongs to a known script.
-       // Parameter ltx contains the latex translation of text_[i] as specified
-       // in the unicodesymbols file and is something like "\textXXX{<spec>}".
-       // The latex macro name "textXXX" specifies the script to which text_[i]
-       // belongs and we use it in order to check whether characters from the
-       // same script immediately follow, such that we can collect them in a
-       // single "\textXXX" macro. So, we have to retain "\textXXX{<spec>"
-       // for the first char but only "<spec>" for all subsequent chars.
-       docstring::size_type const brace1 = ltx.find_first_of(from_ascii("{"));
-       docstring::size_type const brace2 = ltx.find_last_of(from_ascii("}"));
-       string script = to_ascii(ltx.substr(1, brace1 - 1));
-       int pos = 0;
-       int length = brace2;
-       bool closing_brace = true;
-       // We only need the script macro with non-native font encodings
-       // and with XeTeX/LuaTeX (with TeX fonts)
-       if (!Encodings::needsScriptWrapper(script, fontenc)
-           && !runparams.isFullUnicode()) {
-               // Correct font encoding is being used, so we can avoid \text[greek|cyr].
-               pos = brace1 + 1;
-               length -= pos;
-               closing_brace = false;
-       }
-       os << ltx.substr(pos, length);
-       int size = text_.size();
-       while (i + 1 < size) {
-               char_type const next = text_[i + 1];
-               // Stop here if next character belongs to another script
-               // or there is a change in change tracking status.
-               if (!Encodings::isKnownScriptChar(next, script) ||
-                   runningChange != owner_->lookupChange(i + 1))
-                       break;
-               Font prev_font;
-               bool found = false;
-               FontList::const_iterator cit = fontlist_.begin();
-               FontList::const_iterator end = fontlist_.end();
-               for (; cit != end; ++cit) {
-                       if (cit->pos() >= i && !found) {
-                               prev_font = cit->font();
-                               found = true;
-                       }
-                       if (cit->pos() >= i + 1)
-                               break;
-               }
-               // Stop here if there is a font attribute or encoding change.
-               if (found && cit != end && prev_font != cit->font())
-                       break;
-
-               // Check whether we have a combining pair
-               char_type next_next = '\0';
-               if (i + 2 < size) {
-                       next_next = text_[i + 2];
-                       if (Encodings::isCombiningChar(next_next)) {
-                               length += latexSurrogatePair(bparams, os, next, next_next, runparams) - 1;
-                               i += 2;
-                               continue;
-                       }
-               }
-
-               docstring const latex = encoding.latexChar(next).first;
-               docstring::size_type const b1 =
-                                       latex.find_first_of(from_ascii("{"));
-               docstring::size_type const b2 =
-                                       latex.find_last_of(from_ascii("}"));
-               int const len = b2 - b1 - 1;
-               os << latex.substr(b1 + 1, len);
-               length += len;
-               ++i;
-       }
-       if (closing_brace) {
-               os << '}';
-               ++length;
-       }
-       return length;
-}
-
-
 void Paragraph::Private::latexInset(BufferParams const & bparams,
                                    otexstream & os,
                                    OutputParams & runparams,
@@ -1221,7 +1089,7 @@ void Paragraph::Private::latexSpecialChar(otexstream & os,
                                          BufferParams const & bparams,
                                          OutputParams const & runparams,
                                          Font const & running_font,
-                                         Change const & running_change,
+                                         string & alien_script,
                                          Layout const & style,
                                          pos_type & i,
                                          pos_type end_pos,
@@ -1253,7 +1121,7 @@ void Paragraph::Private::latexSpecialChar(otexstream & os,
            && !runparams.isFullUnicode() && bparams.main_font_encoding() == "T1"
            && latexSpecialT1(c, os, i, column))
                return;
-       // NOTE: XeTeX and LuaTeX use EU1/2 (pre 2017) or TU (as of 2017) encoding
+       // NOTE: "fontspec" (non-TeX fonts) sets the font encoding to "TU" (untill 2017 "EU1" or "EU2")
        else if (!runparams.inIPA && !running_font.language()->internalFontEncoding()
                 && runparams.isFullUnicode() && latexSpecialTU(c, os, i, column))
                     return;
@@ -1363,12 +1231,11 @@ void Paragraph::Private::latexSpecialChar(otexstream & os,
                                break;
                        }
                }
-               string script;
                pair<docstring, bool> latex = encoding.latexChar(c);
                docstring nextlatex;
                bool nexttipas = false;
                string nexttipashortcut;
-               if (next != '\0' && next != META_INSET && encoding.encodable(next)) {
+               if (next != '\0' && next != META_INSET && !encoding.encodable(next)) {
                        nextlatex = encoding.latexChar(next).first;
                        if (runparams.inIPA) {
                                nexttipashortcut = Encodings::TIPAShortcut(next);
@@ -1384,27 +1251,22 @@ void Paragraph::Private::latexSpecialChar(otexstream & os,
                                tipas = true;
                        }
                }
-               string fontenc;
-               fontenc = running_font.language()->fontenc(bparams);
-               // "Script chars" need to embraced in \textcyrillic and \textgreek notwithstanding
-               // whether they are encodable or not (it only depends on the font encoding),
-               // except if we are using fontspec.
-               if (!bparams.useNonTeXFonts && Encodings::isKnownScriptChar(c, script)) {
-                       docstring const wrapper = from_ascii("\\" + script + "{");
-                       docstring ltx = latex.first;
-                       if (!prefixIs(ltx, wrapper))
-                               ltx = wrapper + latex.first + from_ascii("}");
-                       column += writeScriptChars(bparams, runparams, os, ltx, running_change,
-                                                  encoding, fontenc, i) - 1;
-               } else if (latex.second
+               // eventually close "script wrapper" command (see `Paragraph::latex`)
+               if (!alien_script.empty()
+                       && alien_script != Encodings::isKnownScriptChar(next)) {
+                       column += latex.first.length();
+                       alien_script.clear();
+                       os << latex.first << "}";
+                       break;
+               }
+               if (latex.second
                         && ((!prefixIs(nextlatex, '\\')
                               && !prefixIs(nextlatex, '{')
                               && !prefixIs(nextlatex, '}'))
                             || (nexttipas
                                 && !prefixIs(from_ascii(nexttipashortcut), '\\')))
                         && !tipas) {
-                       // Prevent eating of a following
-                       // space or command corruption by
+                       // Prevent eating of a following space or command corruption by
                        // following characters
                        if (next == ' ' || next == '\0') {
                                column += latex.first.length() + 1;
@@ -1489,7 +1351,8 @@ void Paragraph::Private::validate(LaTeXFeatures & features) const
                otexstringstream os;
                os << layout_->preamble();
                size_t const length = os.length();
-               TeXOnePar(buf, buf.text(), buf.getParFromID(owner_->id()).pit(), os,
+               TeXOnePar(buf, *inset_owner_->getText(int(buf.getParFromID(owner_->id()).idx())),
+                         buf.getParFromID(owner_->id()).pit(), os,
                          features.runparams(), string(), 0, -1, true);
                if (os.length() > length)
                        features.addPreambleSnippet(os.release(), true);
@@ -1784,6 +1647,8 @@ void Paragraph::validate(LaTeXFeatures & features) const
        d->validate(features);
        bool fragile = features.runparams().moving_arg;
        fragile |= layout().needprotect;
+       if (inInset().getLayout().isNeedProtect())
+               fragile = true;
        if (needsCProtection(fragile))
                features.require("cprotect");
 }
@@ -2490,6 +2355,11 @@ void Paragraph::latex(BufferParams const & bparams,
        // of the body.
        Font basefont;
 
+       // If there is an open font-encoding changing command (script wrapper),
+       // alien_script is set to its name
+       string alien_script;
+       string script;
+
        // Maybe we have to create a optional argument.
        pos_type body_pos = beginOfBody();
        unsigned int column = 0;
@@ -2620,6 +2490,11 @@ void Paragraph::latex(BufferParams const & bparams,
                }
 
                if (bparams.output_changes && runningChange != change) {
+                       if (!alien_script.empty()) {
+                               column += 1;
+                               os << "}";
+                               alien_script.clear();
+                       }
                        if (open_font) {
                                bool needPar = false;
                                column += running_font.latexWriteEndChanges(
@@ -2652,6 +2527,12 @@ void Paragraph::latex(BufferParams const & bparams,
                    (current_font != running_font ||
                     current_font.language() != running_font.language()))
                {
+                       // ensure there is no open script-wrapper
+                       if (!alien_script.empty()) {
+                               column += 1;
+                               os << "}";
+                               alien_script.clear();
+                       }
                        bool needPar = false;
                        column += running_font.latexWriteEndChanges(
                                    os, bparams, runparams, basefont,
@@ -2809,10 +2690,24 @@ void Paragraph::latex(BufferParams const & bparams,
                                        --parInline;
                        }
                } else if (i >= start_pos && (end_pos == -1 || i < end_pos)) {
+                       if (!bparams.useNonTeXFonts)
+                         script = Encodings::isKnownScriptChar(c);
+                       if (script != alien_script) {
+                               if (!alien_script.empty()) {
+                                       os << "}";
+                                       alien_script.clear();
+                               }
+                               string fontenc = running_font.language()->fontenc(bparams);
+                               if (!script.empty()
+                                       && !Encodings::fontencSupportsScript(fontenc, script)) {
+                                       column += script.length() + 2;
+                                       os << "\\" << script << "{";
+                                       alien_script = script;
+                               }
+                       }
                        try {
-                               d->latexSpecialChar(os, bparams, rp,
-                                                   running_font, runningChange,
-                                                   style, i, end_pos, column);
+                               d->latexSpecialChar(os, bparams, rp, running_font, 
+                                                                       alien_script, style, i, end_pos, column);
                        } catch (EncodingException & e) {
                                if (runparams.dryrun) {
                                        os << "<" << _("LyX Warning: ")
@@ -2836,8 +2731,17 @@ void Paragraph::latex(BufferParams const & bparams,
                // such as Note that do not produce any output, so that no
                // command is ever executed but its opening was recorded.
                runparams.inulemcmd = rp.inulemcmd;
+
+               // And finally, pass the post_macros upstream
+               runparams.post_macro = rp.post_macro;
        }
 
+    // Close wrapper for alien script
+       if (!alien_script.empty()) {
+               os << "}";
+               alien_script.clear();
+       }       
+
        // If we have an open font definition, we have to close it
        if (open_font) {
                // Make sure that \\par is done with the font of the last
@@ -3533,10 +3437,31 @@ bool Paragraph::needsCProtection(bool const fragile) const
        }
 
        // now check whether we have insets that need cprotection
-       pos_type size = d->text_.size();
-       for (pos_type i = 0; i < size; ++i)
-               if (isInset(i) && getInset(i)->needsCProtection(maintext, fragile))
+       pos_type size = pos_type(d->text_.size());
+       for (pos_type i = 0; i < size; ++i) {
+               if (!isInset(i))
+                       continue;
+               Inset const * ins = getInset(i);
+               if (ins->needsCProtection(maintext, fragile))
+                       return true;
+               if (ins->getLayout().latextype() == InsetLayout::ENVIRONMENT)
+                       // Environments need cprotection regardless the content
+                       return true;
+               // Now check math environments
+               InsetMath const * im = getInset(i)->asInsetMath();
+               if (!im || im->cell(0).empty())
+                       continue;
+               switch(im->cell(0)[0]->lyxCode()) {
+               case MATH_AMSARRAY_CODE:
+               case MATH_SUBSTACK_CODE:
+               case MATH_ENV_CODE:
+               case MATH_XYMATRIX_CODE:
+                       // these need cprotection
                        return true;
+               default:
+                       break;
+               }
+       }
 
        return false;
 }
@@ -3767,32 +3692,43 @@ bool Paragraph::allowEmpty() const
 
 bool Paragraph::brokenBiblio() const
 {
-       // there is a problem if there is no bibitem at position 0 or
-       // if there is another bibitem in the paragraph.
-       return d->layout_->labeltype == LABEL_BIBLIO
+       // There is a problem if there is no bibitem at position 0 in
+       // paragraphs that need one, if there is another bibitem in the
+       // paragraph or if this paragraph is not supposed to have
+       // a bibitem inset at all.
+       return ((d->layout_->labeltype == LABEL_BIBLIO
                && (d->insetlist_.find(BIBITEM_CODE) != 0
-                   || d->insetlist_.find(BIBITEM_CODE, 1) > 0);
+                   || d->insetlist_.find(BIBITEM_CODE, 1) > 0))
+               || (d->layout_->labeltype != LABEL_BIBLIO
+                   && d->insetlist_.find(BIBITEM_CODE) != -1));
 }
 
 
 int Paragraph::fixBiblio(Buffer const & buffer)
 {
-       // FIXME: What about the case where paragraph is not BIBLIO
-       // but there is an InsetBibitem?
        // FIXME: when there was already an inset at 0, the return value is 1,
        // which does not tell whether another inset has been remove; the
        // cursor cannot be correctly updated.
 
-       if (d->layout_->labeltype != LABEL_BIBLIO)
-               return 0;
-
        bool const track_changes = buffer.params().track_changes;
        int bibitem_pos = d->insetlist_.find(BIBITEM_CODE);
-       bool const hasbibitem0 = bibitem_pos == 0;
 
+       // The case where paragraph is not BIBLIO
+       if (d->layout_->labeltype != LABEL_BIBLIO) {
+               if (bibitem_pos == -1)
+                       // No InsetBibitem => OK
+                       return 0;
+               // There is an InsetBibitem: remove it!
+               d->insetlist_.release(bibitem_pos);
+               eraseChar(bibitem_pos, track_changes);
+               return (bibitem_pos == 0) ? -1 : -bibitem_pos;
+       }
+
+       bool const hasbibitem0 = bibitem_pos == 0;
        if (hasbibitem0) {
                bibitem_pos = d->insetlist_.find(BIBITEM_CODE, 1);
-               // There was an InsetBibitem at pos 0, and no other one => OK
+               // There was an InsetBibitem at pos 0,
+               // and no other one => OK
                if (bibitem_pos == -1)
                        return 0;
                // there is a bibitem at the 0 position, but since
@@ -3807,7 +3743,7 @@ int Paragraph::fixBiblio(Buffer const & buffer)
        }
 
        // We need to create an inset at the beginning
-       Inset * inset = 0;
+       Inset * inset = nullptr;
        if (bibitem_pos > 0) {
                // there was one somewhere in the paragraph, let's move it
                inset = d->insetlist_.release(bibitem_pos);
@@ -3821,6 +3757,8 @@ int Paragraph::fixBiblio(Buffer const & buffer)
        insertInset(0, inset, font, Change(track_changes ? Change::INSERTED
                                                   : Change::UNCHANGED));
 
+       // This is needed to get the counters right
+       buffer.updateBuffer();
        return 1;
 }