]> git.lyx.org Git - lyx.git/blobdiff - src/Paragraph.cpp
adjust
[lyx.git] / src / Paragraph.cpp
index 80a7009c81eb14d05e382621eb7d0142dfc4c659..9bd4e6e0b5943f52a1d7d130a7fbcd36f82b5f39 100644 (file)
@@ -66,8 +66,10 @@ using std::ostream;
 namespace lyx {
 
 using support::contains;
+using support::prefixIs;
 using support::suffixIs;
 using support::rsplit;
+using support::rtrim;
 
 
 /////////////////////////////////////////////////////////////////////
@@ -187,6 +189,11 @@ public:
                             unsigned int & column,
                             Font const & font,
                             Layout const & style);
+       /// Output consecutive known unicode chars, belonging to the same
+       /// language as specified by \p preamble, to \p os starting from \p c.
+       /// \return the number of characters written.
+       int knownLangChars(odocstream & os, value_type c, string & preamble,
+                          Change &, Encoding const &, pos_type &);
        ///
        void simpleTeXSpecialChars(Buffer const &, BufferParams const &,
                                   odocstream &,
@@ -590,7 +597,7 @@ bool Paragraph::Pimpl::simpleTeXBlanks(Encoding const & encoding,
        if (style.pass_thru)
                return false;
 
-       if (i < size() - 1) {
+       if (i + 1 < size()) {
                char_type next = getChar(i + 1);
                if (Encodings::isCombiningChar(next)) {
                        // This space has an accent, so we must always output it.
@@ -604,7 +611,7 @@ bool Paragraph::Pimpl::simpleTeXBlanks(Encoding const & encoding,
            && column > lyxrc.plaintext_linelen
            && i
            && getChar(i - 1) != ' '
-           && (i < size() - 1)
+           && (i + 1 < size())
            // same in FreeSpacing mode
            && !owner_->isFreeSpacing()
            // In typewriter mode, we want to avoid
@@ -627,6 +634,66 @@ bool Paragraph::Pimpl::simpleTeXBlanks(Encoding const & encoding,
 }
 
 
+int Paragraph::Pimpl::knownLangChars(odocstream & os,
+                                    value_type c,
+                                    string & preamble,
+                                    Change & runningChange,
+                                    Encoding const & encoding,
+                                    pos_type & i)
+{
+       // When the character is marked by the proper language, we simply
+       // get its code point in some encoding, otherwise we get the
+       // translation specified in the unicodesymbols file, which is
+       // something like "\textLANG{<spec>}". So, we have to retain
+       // "\textLANG{<spec>" for the first char but only "<spec>" for
+       // all subsequent chars.
+       docstring const latex1 = rtrim(encoding.latexChar(c), "}");
+       int length = latex1.length();
+       os << latex1;
+       while (i + 1 < size()) {
+               char_type next = getChar(i + 1);
+               // Stop here if next character belongs to another
+               // language or there is a change tracking status.
+               if (!Encodings::isKnownLangChar(next, preamble) ||
+                   runningChange != 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 change.
+               if (found && cit != end && prev_font != cit->font())
+                       break;
+               docstring const latex = rtrim(encoding.latexChar(next), "}");
+               docstring::size_type const j =
+                                       latex.find_first_of(from_ascii("{"));
+               if (j == docstring::npos) {
+                       os << latex;
+                       length += latex.length();
+               } else {
+                       os << latex.substr(j + 1);
+                       length += latex.substr(j + 1).length();
+               }
+               ++i;
+       }
+       // When the proper language is set, we are simply passed a code
+       // point, so we should not try to close the \textLANG command.
+       if (prefixIs(latex1, from_ascii("\\" + preamble))) {
+               os << '}';
+               ++length;
+       }
+       return length;
+}
+
+
 bool Paragraph::Pimpl::isTextAt(string const & str, pos_type pos) const
 {
        pos_type const len = str.length();
@@ -695,7 +762,7 @@ void Paragraph::Pimpl::simpleTeXSpecialChars(Buffer const & buf,
                        break;
 
                // FIXME: move this to InsetNewline::latex
-               if (inset->lyxCode() == Inset::NEWLINE_CODE) {
+               if (inset->lyxCode() == NEWLINE_CODE) {
                        // newlines are handled differently here than
                        // the default in simpleTeXSpecialChars().
                        if (!style.newline_allowed) {
@@ -739,9 +806,9 @@ void Paragraph::Pimpl::simpleTeXSpecialChars(Buffer const & buf,
                bool close = false;
                odocstream::pos_type const len = os.tellp();
 
-               if ((inset->lyxCode() == Inset::GRAPHICS_CODE
-                    || inset->lyxCode() == Inset::MATH_CODE
-                    || inset->lyxCode() == Inset::URL_CODE)
+               if ((inset->lyxCode() == GRAPHICS_CODE
+                    || inset->lyxCode() == MATH_CODE
+                    || inset->lyxCode() == HYPERLINK_CODE)
                    && running_font.isRightToLeft()) {
                        if (running_font.language()->lang() == "farsi")
                                os << "\\beginL{}";
@@ -944,7 +1011,7 @@ void Paragraph::Pimpl::simpleTeXSpecialChars(Buffer const & buf,
 
                        if (pnr == phrases_nr && c != '\0') {
                                Encoding const & encoding = *(runparams.encoding);
-                               if (i < size() - 1) {
+                               if (i + 1 < size()) {
                                        char_type next = getChar(i + 1);
                                        if (Encodings::isCombiningChar(next)) {
                                                column += latexSurrogatePair(os, c, next, encoding) - 1;
@@ -952,6 +1019,14 @@ void Paragraph::Pimpl::simpleTeXSpecialChars(Buffer const & buf,
                                                break;
                                        }
                                }
+                               string preamble;
+                               if (Encodings::isKnownLangChar(c, preamble)) {
+                                       column +=
+                                               knownLangChars(os, c, preamble,
+                                                       running_change,
+                                                       encoding, i) - 1;
+                                       break;
+                               }
                                docstring const latex = encoding.latexChar(c);
                                if (latex.length() > 1 &&
                                    latex[latex.length() - 1] != '}') {
@@ -1035,7 +1110,7 @@ void Paragraph::Pimpl::validate(LaTeXFeatures & features,
                if (icit->inset) {
                        icit->inset->validate(features);
                        if (layout.needprotect &&
-                           icit->inset->lyxCode() == Inset::FOOT_CODE)
+                           icit->inset->lyxCode() == FOOT_CODE)
                                features.require("NeedLyXFootnoteCode");
                }
        }
@@ -1288,7 +1363,7 @@ void Paragraph::insertInset(pos_type pos, Inset * inset,
 }
 
 
-bool Paragraph::insetAllowed(Inset_code code)
+bool Paragraph::insetAllowed(InsetCode code)
 {
        return !pimpl_->inset_owner || pimpl_->inset_owner->insetAllowed(code);
 }
@@ -1742,7 +1817,7 @@ InsetBibitem * Paragraph::bibitem() const
 {
        if (!insetlist.empty()) {
                Inset * inset = insetlist.begin()->inset;
-               if (inset->lyxCode() == Inset::BIBITEM_CODE)
+               if (inset->lyxCode() == BIBITEM_CODE)
                        return static_cast<InsetBibitem *>(inset);
        }
        return 0;
@@ -1760,9 +1835,9 @@ namespace {
 // paragraphs inside floats need different alignment tags to avoid
 // unwanted space
 
-bool noTrivlistCentering(Inset::Code code)
+bool noTrivlistCentering(InsetCode code)
 {
-       return code == Inset::FLOAT_CODE || code == Inset::WRAP_CODE;
+       return code == FLOAT_CODE || code == WRAP_CODE;
 }
 
 
@@ -1779,7 +1854,7 @@ string correction(string const & orig)
 
 
 string const corrected_env(string const & suffix, string const & env,
-       Inset::Code code)
+       InsetCode code)
 {
        string output = suffix + "{";
        if (noTrivlistCentering(code))
@@ -2232,14 +2307,14 @@ bool Paragraph::emptyTag() const
        for (pos_type i = 0; i < size(); ++i) {
                if (isInset(i)) {
                        Inset const * inset = getInset(i);
-                       Inset::Code lyx_code = inset->lyxCode();
-                       if (lyx_code != Inset::TOC_CODE &&
-                           lyx_code != Inset::INCLUDE_CODE &&
-                           lyx_code != Inset::GRAPHICS_CODE &&
-                           lyx_code != Inset::ERT_CODE &&
-                           lyx_code != Inset::LISTINGS_CODE &&
-                           lyx_code != Inset::FLOAT_CODE &&
-                           lyx_code != Inset::TABULAR_CODE) {
+                       InsetCode lyx_code = inset->lyxCode();
+                       if (lyx_code != TOC_CODE &&
+                           lyx_code != INCLUDE_CODE &&
+                           lyx_code != GRAPHICS_CODE &&
+                           lyx_code != ERT_CODE &&
+                           lyx_code != LISTINGS_CODE &&
+                           lyx_code != FLOAT_CODE &&
+                           lyx_code != TABULAR_CODE) {
                                return false;
                        }
                } else {
@@ -2257,8 +2332,8 @@ string Paragraph::getID(Buffer const & buf, OutputParams const & runparams) cons
        for (pos_type i = 0; i < size(); ++i) {
                if (isInset(i)) {
                        Inset const * inset = getInset(i);
-                       Inset::Code lyx_code = inset->lyxCode();
-                       if (lyx_code == Inset::LABEL_CODE) {
+                       InsetCode lyx_code = inset->lyxCode();
+                       if (lyx_code == LABEL_CODE) {
                                string const id = static_cast<InsetCommand const *>(inset)->getContents();
                                return "id='" + to_utf8(sgml::cleanID(buf, runparams, from_utf8(id))) + "'";
                        }
@@ -2359,10 +2434,17 @@ void Paragraph::simpleDocBookOnePar(Buffer const & buf,
 }
 
 
+bool Paragraph::isHfill(pos_type pos) const
+{
+       return isInset(pos)
+               && getInset(pos)->lyxCode() == HFILL_CODE;
+}
+
+
 bool Paragraph::isNewline(pos_type pos) const
 {
        return isInset(pos)
-               && getInset(pos)->lyxCode() == Inset::NEWLINE_CODE;
+               && getInset(pos)->lyxCode() == NEWLINE_CODE;
 }
 
 
@@ -2401,8 +2483,8 @@ bool Paragraph::isRTL(BufferParams const & bparams) const
 {
        return lyxrc.rtl_support
                && getParLanguage(bparams)->rightToLeft()
-               && ownerCode() != Inset::ERT_CODE
-               && ownerCode() != Inset::LISTINGS_CODE;
+               && ownerCode() != ERT_CODE
+               && ownerCode() != LISTINGS_CODE;
 }
 
 
@@ -2537,10 +2619,10 @@ Inset * Paragraph::inInset() const
 }
 
 
-Inset::Code Paragraph::ownerCode() const
+InsetCode Paragraph::ownerCode() const
 {
        return pimpl_->inset_owner
-               ? pimpl_->inset_owner->lyxCode() : Inset::NO_CODE;
+               ? pimpl_->inset_owner->lyxCode() : NO_CODE;
 }
 
 
@@ -2563,7 +2645,7 @@ bool Paragraph::isFreeSpacing() const
 
        // for now we just need this, later should we need this in some
        // other way we can always add a function to Inset too.
-       return ownerCode() == Inset::ERT_CODE || ownerCode() == Inset::LISTINGS_CODE;
+       return ownerCode() == ERT_CODE || ownerCode() == LISTINGS_CODE;
 }
 
 
@@ -2571,7 +2653,7 @@ bool Paragraph::allowEmpty() const
 {
        if (layout()->keepempty)
                return true;
-       return ownerCode() == Inset::ERT_CODE || ownerCode() == Inset::LISTINGS_CODE;
+       return ownerCode() == ERT_CODE || ownerCode() == LISTINGS_CODE;
 }
 
 
@@ -2628,7 +2710,7 @@ int Paragraph::checkBiblio(bool track_changes)
        bool hasbibitem = !insetlist.empty()
                // Insist on it being in pos 0
                && getChar(0) == Paragraph::META_INSET
-               && insetlist.begin()->inset->lyxCode() == Inset::BIBITEM_CODE;
+               && insetlist.begin()->inset->lyxCode() == BIBITEM_CODE;
 
        docstring oldkey;
        docstring oldlabel;
@@ -2642,7 +2724,7 @@ int Paragraph::checkBiblio(bool track_changes)
        InsetList::iterator it = insetlist.begin();
        InsetList::iterator end = insetlist.end();
        for (; it != end; ++it)
-               if (it->inset->lyxCode() == Inset::BIBITEM_CODE
+               if (it->inset->lyxCode() == BIBITEM_CODE
                    && it->pos > 0) {
                        InsetBibitem * olditem = static_cast<InsetBibitem *>(it->inset);
                        oldkey = olditem->getParam("key");