]> git.lyx.org Git - lyx.git/blobdiff - src/Paragraph.cpp
prepare Qt 5.6 builds
[lyx.git] / src / Paragraph.cpp
index e7b2c78564a446497cddfb1d140eeda11d0eff2a..734d18a81c6574388f6eeb2d71236a6b6880c865 100644 (file)
@@ -363,19 +363,6 @@ public:
                otexstream & os,
                pos_type i,
                unsigned int & column);
-       ///
-       bool latexSpecialTypewriter(
-               char_type const c,
-               otexstream & os,
-               pos_type i,
-               unsigned int & column);
-       ///
-       bool latexSpecialPhrase(
-               otexstream & os,
-               pos_type & i,
-               pos_type end_pos,
-               unsigned int & column,
-               OutputParams const & runparams);
 
        ///
        void validate(LaTeXFeatures & features) const;
@@ -384,9 +371,6 @@ public:
        bool onlyText(Buffer const & buf, Font const & outerfont,
                      pos_type initial) const;
 
-       /// match a string against a particular point in the paragraph
-       bool isTextAt(string const & str, pos_type pos) const;
-
        /// a vector of speller skip positions
        typedef vector<FontSpan> SkipPositions;
        typedef SkipPositions::const_iterator SkipPositionsIterator;
@@ -514,26 +498,6 @@ public:
 };
 
 
-namespace {
-
-struct special_phrase {
-       string phrase;
-       docstring macro;
-       bool builtin;
-};
-
-special_phrase const special_phrases[] = {
-       { "LyX", from_ascii("\\LyX{}"), false },
-       { "TeX", from_ascii("\\TeX{}"), true },
-       { "LaTeX2e", from_ascii("\\LaTeXe{}"), true },
-       { "LaTeX", from_ascii("\\LaTeX{}"), true },
-};
-
-size_t const phrases_nr = sizeof(special_phrases)/sizeof(special_phrase);
-
-} // namespace anon
-
-
 Paragraph::Private::Private(Paragraph * owner, Layout const & layout)
        : owner_(owner), inset_owner_(0), id_(-1), begin_of_body_(0), layout_(&layout)
 {
@@ -546,6 +510,8 @@ Paragraph::Private::Private(Paragraph * owner, Layout const & layout)
 // FIXME: There should be a more intelligent way to generate and use the
 // paragraph ids per buffer instead a global static counter for all InsetText
 // in the running program.
+// However, this per-session id is used in LFUN_PARAGRAPH_GOTO to
+// switch to a different buffer, as used in the outliner for instance.
 static int paragraph_id = -1;
 
 Paragraph::Private::Private(Private const & p, Paragraph * owner)
@@ -620,7 +586,7 @@ bool Paragraph::isMergedOnEndOfParDeletion(bool trackChanges) const
        if (!trackChanges)
                return true;
 
-       Change const change = d->changes_.lookup(size());
+       Change const change = d->changes_.lookup(size());
        return change.inserted() && change.currentAuthor();
 }
 
@@ -951,10 +917,13 @@ int Paragraph::Private::writeScriptChars(otexstream & os,
 {
        // FIXME: modifying i here is not very nice...
 
-       // We only arrive here when a proper language for character text_[i] has
-       // not been specified (i.e., it could not be translated in the current
-       // latex encoding) or its latex translation has been forced, and it
-       // belongs to a known script.
+       // 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.
+       // TODO: We need \textcyr and \textgreek wrappers also for characters
+       //       that can be encoded in the "LaTeX encoding" but not in the
+       //       current *font encoding*.
+       //       (See #9681 for details and test)
        // 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]
@@ -970,6 +939,10 @@ int Paragraph::Private::writeScriptChars(otexstream & os,
        bool closing_brace = true;
        if (script == "textgreek" && encoding.latexName() == "iso-8859-7") {
                // Correct encoding is being used, so we can avoid \textgreek.
+               // TODO: wrong test: we need to check the *font encoding*
+               //       (i.e. the active language and its FontEncoding tag)
+               //       instead of the LaTeX *input encoding*!
+               //       See #9637 for details and test-cases.
                pos = brace1 + 1;
                length -= pos;
                closing_brace = false;
@@ -1016,26 +989,6 @@ int Paragraph::Private::writeScriptChars(otexstream & os,
 }
 
 
-bool Paragraph::Private::isTextAt(string const & str, pos_type pos) const
-{
-       pos_type const len = str.length();
-
-       // is the paragraph large enough?
-       if (pos + len > int(text_.size()))
-               return false;
-
-       // does the wanted text start at point?
-       for (string::size_type i = 0; i < str.length(); ++i) {
-               // Caution: direct comparison of characters works only
-               // because str is pure ASCII.
-               if (str[i] != text_[pos + i])
-                       return false;
-       }
-
-       return fontlist_.hasChangeInRange(pos, len);
-}
-
-
 void Paragraph::Private::latexInset(BufferParams const & bparams,
                                    otexstream & os,
                                    OutputParams & runparams,
@@ -1195,7 +1148,9 @@ void Paragraph::Private::latexSpecialChar(otexstream & os,
        char_type const c = (runparams.use_polyglossia) ?
                owner_->getUChar(bparams, i) : text_[i];
 
-       if (style.pass_thru || runparams.pass_thru) {
+       if (style.pass_thru || runparams.pass_thru
+           || contains(style.pass_thru_chars, c)
+           || contains(runparams.pass_thru_chars, c)) {
                if (c != '\0') {
                        Encoding const * const enc = runparams.encoding;
                        if (enc && !enc->encodable(c))
@@ -1210,16 +1165,11 @@ void Paragraph::Private::latexSpecialChar(otexstream & os,
                return;
        // If T1 font encoding is used, use the special
        // characters it provides.
-       // NOTE: some languages reset the font encoding
-       // internally
+       // NOTE: Some languages reset the font encoding internally to a
+       //       non-standard font encoding. If we are using such a language,
+       //       we do not output special T1 chars.
        if (!runparams.inIPA && !running_font.language()->internalFontEncoding()
-           && lyxrc.fontenc == "T1" && latexSpecialT1(c, os, i, column))
-               return;
-
-       // \tt font needs special treatment
-       if (!runparams.inIPA
-            && running_font.fontInfo().family() == TYPEWRITER_FAMILY
-            && latexSpecialTypewriter(c, os, i, column))
+           && bparams.font_encoding() == "T1" && latexSpecialT1(c, os, i, column))
                return;
 
        // Otherwise, we use what LaTeX provides us.
@@ -1242,6 +1192,14 @@ void Paragraph::Private::latexSpecialChar(otexstream & os,
                break;
        case '-':
                os << '-';
+               if (i + 1 < end_pos && text_[i+1] == '-') {
+                       // Prevent "--" becoming an endash and "---" becoming
+                       // an emdash.
+                       // Within \ttfamily, "--" is merged to "-" (no endash)
+                       // so we avoid this rather irritating ligature as well
+                       os << "{}";
+                       column += 2;
+               }
                break;
        case '\"':
                os << "\\char`\\\"{}";
@@ -1285,10 +1243,6 @@ void Paragraph::Private::latexSpecialChar(otexstream & os,
                break;
 
        default:
-               // LyX, LaTeX etc.
-               if (latexSpecialPhrase(os, i, end_pos, column, runparams))
-                       return;
-
                if (c == '\0')
                        return;
 
@@ -1401,55 +1355,6 @@ bool Paragraph::Private::latexSpecialT3(char_type const c, otexstream & os,
 }
 
 
-bool Paragraph::Private::latexSpecialTypewriter(char_type const c, otexstream & os,
-       pos_type i, unsigned int & column)
-{
-       switch (c) {
-       case '-':
-               // within \ttfamily, "--" is merged to "-" (no endash)
-               // so we avoid this rather irritating ligature
-               if (i + 1 < int(text_.size()) && text_[i + 1] == '-') {
-                       os << "-{}";
-                       column += 2;
-               } else
-                       os << '-';
-               return true;
-
-       // everything else has to be checked separately
-       // (depending on the encoding)
-       default:
-               return false;
-       }
-}
-
-
-/// \param end_pos
-///   If [start_pos, end_pos) does not include entirely the special phrase, then
-///   do not apply the macro transformation.
-bool Paragraph::Private::latexSpecialPhrase(otexstream & os, pos_type & i, pos_type end_pos,
-       unsigned int & column, OutputParams const & runparams)
-{
-       // FIXME: if we have "LaTeX" with a font
-       // change in the middle (before the 'T', then
-       // the "TeX" part is still special cased.
-       // Really we should only operate this on
-       // "words" for some definition of word
-
-       for (size_t pnr = 0; pnr < phrases_nr; ++pnr) {
-               if (!isTextAt(special_phrases[pnr].phrase, i)
-                   || (end_pos != -1 && i + int(special_phrases[pnr].phrase.size()) > end_pos))
-                       continue;
-               if (runparams.moving_arg)
-                       os << "\\protect";
-               os << special_phrases[pnr].macro;
-               i += special_phrases[pnr].phrase.length() - 1;
-               column += special_phrases[pnr].macro.length() - 1;
-               return true;
-       }
-       return false;
-}
-
-
 void Paragraph::Private::validate(LaTeXFeatures & features) const
 {
        if (layout_->inpreamble && inset_owner_) {
@@ -1521,19 +1426,12 @@ void Paragraph::Private::validate(LaTeXFeatures & features) const
                        icit->inset->validate(features);
                        if (layout_->needprotect &&
                            icit->inset->lyxCode() == FOOT_CODE)
-                               features.require("footmisc");
+                               features.require("NeedLyXFootnoteCode");
                }
        }
 
        // then the contents
        for (pos_type i = 0; i < int(text_.size()) ; ++i) {
-               for (size_t pnr = 0; pnr < phrases_nr; ++pnr) {
-                       if (!special_phrases[pnr].builtin
-                           && isTextAt(special_phrases[pnr].phrase, i)) {
-                               features.require(special_phrases[pnr].phrase);
-                               break;
-                       }
-               }
                BufferEncodings::validate(text_[i], features);
        }
 }
@@ -1640,7 +1538,7 @@ void Paragraph::write(ostream & os, BufferParams const & bparams,
        int column = 0;
        for (pos_type i = 0; i <= size(); ++i) {
 
-               Change const change = lookupChange(i);
+               Change const change = lookupChange(i);
                if (change != running_change)
                        flushString(os, write_buffer);
                Changes::lyxMarkChange(os, bparams, column, running_change, change);
@@ -2101,7 +1999,7 @@ docstring Paragraph::expandParagraphLabel(Layout const & layout,
                        docstring parent(fmt, i + 1, j - i - 1);
                        docstring label = from_ascii("??");
                        if (tclass.hasLayout(parent))
-                               docstring label = expandParagraphLabel(tclass[parent], bparams,
+                               label = expandParagraphLabel(tclass[parent], bparams,
                                                      process_appendix);
                        fmt = docstring(fmt, 0, i) + label
                                + docstring(fmt, j + 1, docstring::npos);
@@ -2145,14 +2043,12 @@ void Paragraph::setBeginOfBody()
        pos_type end = size();
        if (i < end && !(isNewline(i) || isEnvSeparator(i))) {
                ++i;
-               char_type previous_char = 0;
-               char_type temp = 0;
                if (i < end) {
-                       previous_char = d->text_[i];
+                       char_type previous_char = d->text_[i];
                        if (!(isNewline(i) || isEnvSeparator(i))) {
                                ++i;
                                while (i < end && previous_char != ' ') {
-                                       temp = d->text_[i];
+                                       char_type temp = d->text_[i];
                                        if (isNewline(i) || isEnvSeparator(i))
                                                break;
                                        ++i;
@@ -2249,8 +2145,12 @@ int Paragraph::Private::startTeXParParams(BufferParams const & bparams,
 {
        int column = 0;
 
-       if (params_.noindent() && !layout_->pass_thru
-           && (layout_->toggle_indent != ITOGGLE_NEVER)) {
+       bool canindent =
+               (bparams.paragraph_separation == BufferParams::ParagraphIndentSeparation) ?
+                       (layout_->toggle_indent != ITOGGLE_NEVER) :
+                       (layout_->toggle_indent == ITOGGLE_ALWAYS);
+
+       if (canindent && params_.noindent() && !layout_->pass_thru) {
                os << "\\noindent ";
                column += 10;
        }
@@ -2295,7 +2195,6 @@ int Paragraph::Private::startTeXParParams(BufferParams const & bparams,
                        corrected_env(os, begin_tag, "flushright", code, lastpar, column);
                break;
        } case LYX_ALIGN_RIGHT: {
-               string output;
                if (owner_->getParLanguage(bparams)->babel() != "hebrew")
                        corrected_env(os, begin_tag, "flushright", code, lastpar, column);
                else
@@ -2668,8 +2567,7 @@ void Paragraph::latex(BufferParams const & bparams,
        if (allowcust && d->endTeXParParams(bparams, os, runparams)
            && runparams.encoding != prev_encoding) {
                runparams.encoding = prev_encoding;
-               if (!runparams.isFullUnicode())
-                       os << setEncoding(prev_encoding->iconvName());
+               os << setEncoding(prev_encoding->iconvName());
        }
 
        LYXERR(Debug::LATEX, "Paragraph::latex... done " << this);
@@ -3159,30 +3057,7 @@ docstring Paragraph::simpleLyXHTMLOnePar(Buffer const & buf,
                        }
                } else {
                        char_type c = getUChar(buf.masterBuffer()->params(), i);
-
-                       if (style.pass_thru || runparams.pass_thru)
-                               xs << c;
-                       else if (c == '-') {
-                               docstring str;
-                               int j = i + 1;
-                               if (j < size() && d->text_[j] == '-') {
-                                       j += 1;
-                                       if (j < size() && d->text_[j] == '-') {
-                                               str += from_ascii("&mdash;");
-                                               i += 2;
-                                       } else {
-                                               str += from_ascii("&ndash;");
-                                               i += 1;
-                                       }
-                               }
-                               else
-                                       str += c;
-                               // We don't want to escape the entities. Note that
-                               // it is safe to do this, since str can otherwise
-                               // only be "-". E.g., it can't be "<".
-                               xs << XHTMLStream::ESCAPE_NONE << str;
-                       } else
-                               xs << c;
+                       xs << c;
                }
                font_old = font.fontInfo();
        }
@@ -3257,16 +3132,13 @@ bool Paragraph::isHardHyphenOrApostrophe(pos_type pos) const
        if ((nextpos == psize || isSpace(nextpos))
                && (pos == 0 || isSpace(prevpos)))
                return false;
-       return c == '\''
-               || ((nextpos == psize || d->text_[nextpos] != '-')
-               && (pos == 0 || d->text_[prevpos] != '-'));
+       return true;
 }
 
 
-bool Paragraph::isSameSpellRange(pos_type pos1, pos_type pos2) const
+FontSpan const & Paragraph::getSpellRange(pos_type pos) const
 {
-       return pos1 == pos2
-               || d->speller_state_.getRange(pos1) == d->speller_state_.getRange(pos2);
+       return d->speller_state_.getRange(pos);
 }
 
 
@@ -3385,21 +3257,23 @@ docstring Paragraph::asString(pos_type beg, pos_type end, int options, const Out
 }
 
 
-void Paragraph::forOutliner(docstring & os, size_t maxlen) const
+void Paragraph::forOutliner(docstring & os, size_t const maxlen,
+                                                       bool const shorten) const
 {
+       size_t tmplen = shorten ? maxlen + 1 : maxlen;
        if (!d->params_.labelString().empty())
                os += d->params_.labelString() + ' ';
-       for (pos_type i = 0; i < size() && os.length() < maxlen; ++i) {
+       for (pos_type i = 0; i < size() && os.length() < tmplen; ++i) {
                if (isDeleted(i))
                        continue;
                char_type const c = d->text_[i];
                if (isPrintable(c))
                        os += c;
-               else if (c == '\t' || c == '\n')
-                       os += ' ';
                else if (c == META_INSET)
-                       getInset(i)->forOutliner(os, maxlen);
+                       getInset(i)->forOutliner(os, tmplen, false);
        }
+       if (shorten)
+               Text::shortenForOutliner(os, maxlen);
 }