]> git.lyx.org Git - lyx.git/blobdiff - src/paragraph_funcs.C
added a parseError signal to Buffer and use it
[lyx.git] / src / paragraph_funcs.C
index 36b4cc0337b66165ea4dd83e25a431ad52aeb08b..73de67f9c20e019bf250d0e2db69204f066a607c 100644 (file)
 #include "encoding.h"
 #include "lyxrc.h"
 #include "lyxlex.h"
-#include "BoostFormat.h"
 #include "factory.h"
+#include "Lsstream.h"
 #include "support/lstrings.h"
 #include "insets/insetoptarg.h"
 #include "insets/insetcommandparams.h"
 #include "insets/insetbibitem.h"
+#include "insets/insetspace.h"
 #include "insets/insetspecialchar.h"
 #include "insets/insetlatexaccent.h"
 #include "insets/insettabular.h"
 #include "insets/insethfill.h"
-#include "insets/inseterror.h"
 #include "insets/insetnewline.h"
 
 extern string bibitemWidest(Buffer const *);
@@ -41,6 +41,7 @@ using lyx::pos_type;
 using std::endl;
 using std::ostream;
 
+
 void breakParagraph(BufferParams const & bparams,
                    ParagraphList & paragraphs,
                    ParagraphList::iterator par,
@@ -49,7 +50,7 @@ void breakParagraph(BufferParams const & bparams,
 {
        // create a new paragraph, and insert into the list
        ParagraphList::iterator tmp = paragraphs.insert(boost::next(par),
-                                                       new Paragraph);
+                                                       Paragraph());
 
        // without doing that we get a crash when typing <Return> at the
        // end of a paragraph
@@ -69,7 +70,7 @@ void breakParagraph(BufferParams const & bparams,
                tmp->setLabelWidthString(par->params().labelWidthString());
        }
 
-       bool const isempty = (par->layout()->keepempty && par->empty());
+       bool const isempty = (par->allowEmpty() && par->empty());
 
        if (!isempty && (par->size() > pos || par->empty() || flag == 2)) {
                tmp->layout(par->layout());
@@ -148,11 +149,11 @@ void breakParagraphConservative(BufferParams const & bparams,
 {
        // create a new paragraph
        ParagraphList::iterator tmp = paragraphs.insert(boost::next(par),
-                                                       new Paragraph);
-       tmp->makeSameLayout(&*par);
+                                                       Paragraph());
+       tmp->makeSameLayout(*par);
 
-       // When can pos > Last()?
-       // I guess pos == Last() is possible.
+       // When can pos > size()?
+       // I guess pos == size() is possible.
        if (par->size() > pos) {
                // copy everything behind the break-position to the new
                // paragraph
@@ -196,70 +197,74 @@ void mergeParagraph(BufferParams const & bparams,
 }
 
 
-#if 0
-Paragraph * depthHook(Paragraph * par, Paragraph::depth_type depth)
+ParagraphList::iterator depthHook(ParagraphList::iterator pit,
+                                 ParagraphList const & plist,
+                                 Paragraph::depth_type depth)
 {
-       Paragraph * newpar = par;
+       ParagraphList::iterator newpit = pit;
+       ParagraphList::iterator beg = const_cast<ParagraphList&>(plist).begin();
 
-       do {
-               newpar = newpar->previous();
-       } while (newpar && newpar->getDepth() > depth);
-
-       if (!newpar) {
-               if (par->previous() || par->getDepth())
-                       lyxerr << "Error (depthHook): "
-                              << "no hook." << endl;
-               newpar = par;
+       if (newpit != beg)
+               --newpit;
+
+       while (newpit !=  beg && newpit->getDepth() > depth) {
+               --newpit;
        }
-       return newpar;
+
+       if (newpit->getDepth() > depth)
+               return pit;
+
+       return newpit;
 }
 
 
-Paragraph * outerHook(Paragraph * par)
+ParagraphList::iterator outerHook(ParagraphList::iterator pit,
+                                 ParagraphList const & plist)
 {
-       if (!par->getDepth())
-               return 0;
-       return depthHook(par, Paragraph::depth_type(par->getDepth() - 1));
+       if (!pit->getDepth())
+               return const_cast<ParagraphList&>(plist).end();
+       return depthHook(pit, plist,
+                        Paragraph::depth_type(pit->getDepth() - 1));
 }
 
 
-bool isFirstInSequence(Paragraph * par)
+bool isFirstInSequence(ParagraphList::iterator pit,
+                      ParagraphList const & plist)
 {
-       Paragraph const * dhook = depthHook(par, par->getDepth());
-       return (dhook == par
-               || dhook->getLayout() != par->getLayout()
-               || dhook->getDepth() != par->getDepth());
+       ParagraphList::iterator dhook = depthHook(pit, plist, pit->getDepth());
+       return (dhook == pit
+               || dhook->layout() != pit->layout()
+               || dhook->getDepth() != pit->getDepth());
 }
 
 
-int getEndLabel(Paragraph * para, BufferParams const & bparams)
+int getEndLabel(ParagraphList::iterator p, ParagraphList const & plist)
 {
-       Paragraph * par = para;
-       while (par) {
-               Paragraph::depth_type par_depth = par->getDepth();
-               layout_type layout = par->getLayout();
-               int const endlabeltype =
-                       textclasslist.Style(bparams.textclass,
-                                           layout).endlabeltype;
+       ParagraphList::iterator pit = p;
+       Paragraph::depth_type par_depth = p->getDepth();
+       while (pit != const_cast<ParagraphList&>(plist).end()) {
+               LyXLayout_ptr const & layout = pit->layout();
+               int const endlabeltype = layout->endlabeltype;
+
                if (endlabeltype != END_LABEL_NO_LABEL) {
-                       if (!para->next())
+                       if (boost::next(p) == const_cast<ParagraphList&>(plist).end())
                                return endlabeltype;
 
-                       Paragraph::depth_type const next_depth =
-                               para->next()->getDepth();
+                       Paragraph::depth_type const next_depth = boost::next(p)->getDepth();
                        if (par_depth > next_depth ||
-                           (par_depth == next_depth
-                            && layout != para->next()->getLayout()))
+                           (par_depth == next_depth &&
+                            layout != boost::next(p)->layout()))
                                return endlabeltype;
                        break;
                }
                if (par_depth == 0)
                        break;
-               par = outerHook(par);
+               pit = outerHook(pit, plist);
+               if (pit != const_cast<ParagraphList&>(plist).end())
+                       par_depth = pit->getDepth();
        }
        return END_LABEL_NO_LABEL;
 }
-#endif
 
 
 namespace {
@@ -268,32 +273,36 @@ ParagraphList::iterator
 TeXEnvironment(Buffer const * buf,
               ParagraphList const & paragraphs,
               ParagraphList::iterator pit,
-              ostream & os, TexRow & texrow);
+              ostream & os, TexRow & texrow,
+              LatexRunParams const & runparams);
 
 ParagraphList::iterator
 TeXOnePar(Buffer const * buf,
          ParagraphList const & paragraphs,
          ParagraphList::iterator pit,
          ostream & os, TexRow & texrow,
-         bool moving_arg);
+         LatexRunParams const & runparams,
+         string const & everypar = string());
 
 
 ParagraphList::iterator
 TeXDeeper(Buffer const * buf,
          ParagraphList const & paragraphs,
          ParagraphList::iterator pit,
-         ostream & os, TexRow & texrow)
+         ostream & os, TexRow & texrow,
+         LatexRunParams const & runparams)
 {
        lyxerr[Debug::LATEX] << "TeXDeeper...     " << &*pit << endl;
        ParagraphList::iterator par = pit;
 
-       while (par != paragraphs.end()&& par->params().depth() == pit->params().depth()) {
+       while (par != const_cast<ParagraphList&>(paragraphs).end() &&
+                    par->params().depth() == pit->params().depth()) {
                if (par->layout()->isEnvironment()) {
                        par = TeXEnvironment(buf, paragraphs, par,
-                                                 os, texrow);
+                                            os, texrow, runparams);
                } else {
                        par = TeXOnePar(buf, paragraphs, par,
-                                            os, texrow, false);
+                                            os, texrow, runparams);
                }
        }
        lyxerr[Debug::LATEX] << "TeXDeeper...done " << &*par << endl;
@@ -306,7 +315,8 @@ ParagraphList::iterator
 TeXEnvironment(Buffer const * buf,
               ParagraphList const & paragraphs,
               ParagraphList::iterator pit,
-              ostream & os, TexRow & texrow)
+              ostream & os, TexRow & texrow,
+              LatexRunParams const & runparams)
 {
        lyxerr[Debug::LATEX] << "TeXEnvironment...     " << &*pit << endl;
 
@@ -317,7 +327,7 @@ TeXEnvironment(Buffer const * buf,
        Language const * language = pit->getParLanguage(bparams);
        Language const * doc_language = bparams.language;
        Language const * previous_language =
-               (pit != paragraphs.begin())
+               (pit != const_cast<ParagraphList&>(paragraphs).begin())
                ? boost::prior(pit)->getParLanguage(bparams)
                : doc_language;
        if (language->babel() != previous_language->babel()) {
@@ -366,9 +376,9 @@ TeXEnvironment(Buffer const * buf,
        }
        ParagraphList::iterator par = pit;
        do {
-               par = TeXOnePar(buf, paragraphs, par, os, texrow, false);
+               par = TeXOnePar(buf, paragraphs, par, os, texrow, runparams);
 
-               if (par != paragraphs.end()&& par->params().depth() > pit->params().depth()) {
+               if (par != const_cast<ParagraphList&>(paragraphs).end() && par->params().depth() > pit->params().depth()) {
                            if (par->layout()->isParagraph()) {
 
                            // Thinko!
@@ -388,9 +398,10 @@ TeXEnvironment(Buffer const * buf,
                                os << '\n';
                                texrow.newline();
                        }
-                       par = TeXDeeper(buf, paragraphs, par, os, texrow);
+                       par = TeXDeeper(buf, paragraphs, par, os, texrow,
+                                       runparams);
                }
-       } while (par != paragraphs.end()
+       } while (par != const_cast<ParagraphList&>(paragraphs).end()
                 && par->layout() == pit->layout()
                 && par->params().depth() == pit->params().depth()
                 && par->params().leftIndent() == pit->params().leftIndent());
@@ -413,10 +424,10 @@ TeXEnvironment(Buffer const * buf,
 InsetOptArg * optArgInset(Paragraph const & par)
 {
        // Find the entry.
-       InsetList::iterator it = par.insetlist.begin();
-       InsetList::iterator end = par.insetlist.end();
+       InsetList::const_iterator it = par.insetlist.begin();
+       InsetList::const_iterator end = par.insetlist.end();
        for (; it != end; ++it) {
-               Inset * ins = it.getInset();
+               Inset * ins = it->inset;
                if (ins->lyxCode() == Inset::OPTARG_CODE) {
                        return static_cast<InsetOptArg *>(ins);
                }
@@ -430,9 +441,11 @@ TeXOnePar(Buffer const * buf,
          ParagraphList const & paragraphs,
          ParagraphList::iterator pit,
          ostream & os, TexRow & texrow,
-         bool moving_arg)
+         LatexRunParams const & runparams,
+         string const & everypar)
 {
-       lyxerr[Debug::LATEX] << "TeXOnePar...     " << &*pit << endl;
+       lyxerr[Debug::LATEX] << "TeXOnePar...     " << &*pit << " '" << everypar
+<< "'" << endl;
        BufferParams const & bparams = buf->params;
 
        Inset const * in = pit->inInset();
@@ -452,7 +465,7 @@ TeXOnePar(Buffer const * buf,
                }
 
                if (!pit->params().spacing().isDefault()
-                       && (pit == paragraphs.begin() || !boost::prior(pit)->hasSameLayout(&*pit))) {
+                       && (pit == const_cast<ParagraphList&>(paragraphs).begin() || !boost::prior(pit)->hasSameLayout(*pit))) {
                        os << pit->params().spacing().writeEnvirBegin() << '\n';
                        texrow.newline();
                }
@@ -472,7 +485,9 @@ TeXOnePar(Buffer const * buf,
                }
 
                if (pit->params().lineTop()) {
-                       os << "\\lyxline{\\" << pit->getFont(bparams, 0).latexSize() << '}'
+                       os << "\\lyxline{\\"
+                          << pit->getFont(bparams, 0, outerFont(pit, paragraphs)).latexSize()
+                          << '}'
                           << "\\vspace{-1\\parskip}";
                        further_blank_line = true;
                }
@@ -488,14 +503,14 @@ TeXOnePar(Buffer const * buf,
        Language const * language = pit->getParLanguage(bparams);
        Language const * doc_language = bparams.language;
        Language const * previous_language =
-               (pit != paragraphs.begin())
+               (pit != const_cast<ParagraphList&>(paragraphs).begin())
                ? boost::prior(pit)->getParLanguage(bparams)
                : doc_language;
 
        if (language->babel() != previous_language->babel()
            // check if we already put language command in TeXEnvironment()
            && !(style->isEnvironment()
-                && (pit == paragraphs.begin() ||
+                && (pit == const_cast<ParagraphList&>(paragraphs).begin() ||
                     (boost::prior(pit)->layout() != pit->layout() &&
                      boost::prior(pit)->getDepth() <= pit->getDepth())
                     || boost::prior(pit)->getDepth() < pit->getDepth())))
@@ -535,7 +550,7 @@ TeXOnePar(Buffer const * buf,
                if (style->optionalargs == 1) {
                        InsetOptArg * it = optArgInset(*pit);
                        if (it)
-                               it->latexOptional(buf, os, false, false);
+                               it->latexOptional(buf, os, runparams);
                }
                else
                        os << style->latexparam();
@@ -551,7 +566,10 @@ TeXOnePar(Buffer const * buf,
                break;
        }
 
-       bool need_par = pit->simpleTeXOnePar(buf, bparams, os, texrow, moving_arg);
+       os << everypar;
+       bool need_par = pit->simpleTeXOnePar(buf, bparams,
+                                            outerFont(pit, paragraphs),
+                                            os, texrow, runparams);
 
        // Make sure that \\par is done with the font of the last
        // character if this has another size as the default.
@@ -562,14 +580,17 @@ TeXOnePar(Buffer const * buf,
        // Is this really needed ? (Dekel)
        // We do not need to use to change the font for the last paragraph
        // or for a command.
+       LyXFont const outerfont(outerFont(pit, paragraphs));
+
        LyXFont const font =
                (pit->empty()
-                ? pit->getLayoutFont(bparams) : pit->getFont(bparams, pit->size() - 1));
+                ? pit->getLayoutFont(bparams, outerfont)
+                : pit->getFont(bparams, pit->size() - 1, outerfont));
 
        bool is_command = style->isCommand();
 
        if (style->resfont.size() != font.size()
-           && boost::next(pit) != paragraphs.end()
+           && boost::next(pit) != const_cast<ParagraphList&>(paragraphs).end()
            && !is_command) {
                if (!need_par)
                        os << '{';
@@ -582,23 +603,27 @@ TeXOnePar(Buffer const * buf,
        switch (style->latextype) {
        case LATEX_ITEM_ENVIRONMENT:
        case LATEX_LIST_ENVIRONMENT:
-               if (boost::next(pit) != paragraphs.end()
+               if (boost::next(pit) != const_cast<ParagraphList&>(paragraphs).end()
                    && (pit->params().depth() < boost::next(pit)->params().depth())) {
                        os << '\n';
                        texrow.newline();
                }
                break;
-       case LATEX_ENVIRONMENT:
+       case LATEX_ENVIRONMENT: {
                // if its the last paragraph of the current environment
                // skip it otherwise fall through
-               if (boost::next(pit) != paragraphs.end()
-                   && (boost::next(pit)->layout() != pit->layout()
-                       || boost::next(pit)->params().depth() != pit->params().depth()))
+               ParagraphList::iterator next = boost::next(pit);
+
+               if (next != const_cast<ParagraphList&>(paragraphs).end()
+                   && (next->layout() != pit->layout()
+                       || next->params().depth() != pit->params().depth()))
                        break;
+       }
+
                // fall through possible
        default:
                // we don't need it for the last paragraph!!!
-               if (boost::next(pit) != paragraphs.end()) {
+               if (boost::next(pit) != const_cast<ParagraphList&>(paragraphs).end()) {
                        os << '\n';
                        texrow.newline();
                }
@@ -627,14 +652,14 @@ TeXOnePar(Buffer const * buf,
                }
 
                if (!pit->params().spacing().isDefault()
-                       && (boost::next(pit) == paragraphs.end()|| !boost::next(pit)->hasSameLayout(&*pit))) {
+                       && (boost::next(pit) == const_cast<ParagraphList&>(paragraphs).end()|| !boost::next(pit)->hasSameLayout(*pit))) {
                        os << pit->params().spacing().writeEnvirEnd() << '\n';
                        texrow.newline();
                }
        }
 
        // we don't need it for the last paragraph!!!
-       if (boost::next(pit) != paragraphs.end()) {
+       if (boost::next(pit) != const_cast<ParagraphList&>(paragraphs).end()) {
                os << '\n';
                texrow.newline();
        } else {
@@ -669,15 +694,16 @@ TeXOnePar(Buffer const * buf,
 //
 void latexParagraphs(Buffer const * buf,
                     ParagraphList const & paragraphs,
-                    ParagraphList::iterator par,
-                    ParagraphList::iterator endpar,
-                    ostream & ofs,
+                    ostream & os,
                     TexRow & texrow,
-                    bool moving_arg)
+                    LatexRunParams const & runparams,
+                    string const & everypar)
 {
        bool was_title = false;
        bool already_title = false;
        LyXTextClass const & tclass = buf->params.getLyXTextClass();
+       ParagraphList::iterator par = const_cast<ParagraphList&>(paragraphs).begin();
+       ParagraphList::iterator endpar = const_cast<ParagraphList&>(paragraphs).end();
 
        // if only_body
        while (par != endpar) {
@@ -697,7 +723,7 @@ void latexParagraphs(Buffer const * buf,
                                } else if (!was_title) {
                                        was_title = true;
                                        if (tclass.titletype() == TITLE_ENVIRONMENT) {
-                                               ofs << "\\begin{"
+                                               os << "\\begin{"
                                                    << tclass.titlename()
                                                    << "}\n";
                                                texrow.newline();
@@ -705,11 +731,11 @@ void latexParagraphs(Buffer const * buf,
                                }
                        } else if (was_title && !already_title) {
                                if (tclass.titletype() == TITLE_ENVIRONMENT) {
-                                       ofs << "\\end{" << tclass.titlename()
+                                       os << "\\end{" << tclass.titlename()
                                            << "}\n";
                                }
                                else {
-                                       ofs << "\\" << tclass.titlename()
+                                       os << "\\" << tclass.titlename()
                                            << "\n";
                                }
                                texrow.newline();
@@ -717,25 +743,31 @@ void latexParagraphs(Buffer const * buf,
                                was_title = false;
                        }
 
-                       if (layout->isEnvironment() ||
+                       if (layout->is_environment) {
+                               par = TeXOnePar(buf, paragraphs, par, os, texrow,
+                                               runparams, everypar);
+                       } else if (layout->isEnvironment() ||
                                !par->params().leftIndent().zero())
                        {
-                               par = TeXEnvironment(buf, paragraphs, par, ofs, texrow);
+                               par = TeXEnvironment(buf, paragraphs, par, os,
+                                                    texrow, runparams);
                        } else {
-                               par = TeXOnePar(buf, paragraphs, par, ofs, texrow, moving_arg);
+                               par = TeXOnePar(buf, paragraphs, par, os, texrow,
+                                               runparams, everypar);
                        }
                } else {
-                       par = TeXOnePar(buf, paragraphs, par, ofs, texrow, moving_arg);
+                       par = TeXOnePar(buf, paragraphs, par, os, texrow,
+                                       runparams, everypar);
                }
        }
        // It might be that we only have a title in this document
        if (was_title && !already_title) {
                if (tclass.titletype() == TITLE_ENVIRONMENT) {
-                       ofs << "\\end{" << tclass.titlename()
+                       os << "\\end{" << tclass.titlename()
                            << "}\n";
                }
                else {
-                       ofs << "\\" << tclass.titlename()
+                       os << "\\" << tclass.titlename()
                            << "\n";
                                }
                texrow.newline();
@@ -903,26 +935,29 @@ int readParToken(Buffer & buf, Paragraph & par, LyXLex & lex, string const & tok
        } else if (token == "\\color") {
                lex.next();
                font.setLyXColor(lex.getString());
-       } else if (token == "\\SpecialChar") {
-               LyXLayout_ptr const & layout = par.layout();
+       } else if (token == "\\InsetSpace" || token == "\\SpecialChar") {
 
                // Insets don't make sense in a free-spacing context! ---Kayvan
-               if (layout->free_spacing || par.isFreeSpacing()) {
-                       if (lex.isOK()) {
+               if (par.isFreeSpacing()) {
+                       if (token == "\\InsetSpace")
+                               par.insertChar(par.size(), ' ', font, change);
+                       else if (lex.isOK()) {
                                lex.next();
                                string const next_token = lex.getString();
-                               if (next_token == "\\-") {
+                               if (next_token == "\\-")
                                        par.insertChar(par.size(), '-', font, change);
-                               } else if (next_token == "~") {
-                                       par.insertChar(par.size(), ' ', font, change);
-                               } else {
+                               else {
                                        lex.printError("Token `$$Token' "
                                                       "is in free space "
                                                       "paragraph layout!");
                                }
                        }
                } else {
-                       Inset * inset = new InsetSpecialChar;
+                       Inset * inset = 0;
+                       if (token == "\\SpecialChar" )
+                               inset = new InsetSpecialChar;
+                       else
+                               inset = new InsetSpace;
                        inset->read(&buf, lex);
                        par.insertInset(par.size(), inset, font, change);
                }
@@ -955,34 +990,25 @@ int readParToken(Buffer & buf, Paragraph & par, LyXLex & lex, string const & tok
                change = Change(Change::UNCHANGED);
        } else if (token == "\\change_inserted") {
                lex.nextToken();
-               istringstream istr(lex.getString());
+               istringstream is(STRCONV(lex.getString()));
                int aid;
                lyx::time_type ct;
-               istr >> aid;
-               istr >> ct;
+               is >> aid >> ct;
                change = Change(Change::INSERTED, bp.author_map[aid], ct);
        } else if (token == "\\change_deleted") {
                lex.nextToken();
-               istringstream istr(lex.getString());
+               istringstream is(STRCONV(lex.getString()));
                int aid;
                lyx::time_type ct;
-               istr >> aid;
-               istr >> ct;
+               is >> aid >> ct;
                change = Change(Change::DELETED, bp.author_map[aid], ct);
        } else {
                lex.eatLine();
-#if USE_BOOST_FORMAT
-               boost::format fmt(_("Unknown token: %1$s %2$s\n"));
-               fmt % token % lex.text();
-               string const s = fmt.str();
-#else
-               string const s = _("Unknown token: ") + token
-                       + ' ' + lex.text() + '\n';
-#endif
-               // we can do this here this way because we're actually reading
-               // the buffer and don't care about LyXText right now.
-               InsetError * inset = new InsetError(s);
-               par.insertInset(par.size(), inset, font);
+               string const s = bformat(_("Unknown token: %1$s %2$s\n"),
+                       token, lex.getString());
+
+               buf.parseError(ErrorItem(_("Unknown token"), s, 
+                                        par.id(), 0, par.size()));
                return 1;
        }
        return 0;
@@ -1024,3 +1050,33 @@ int readParagraph(Buffer & buf, Paragraph & par, LyXLex & lex)
 
        return unknown;
 }
+
+
+LyXFont const outerFont(ParagraphList::iterator pit,
+                       ParagraphList const & plist)
+{
+       Paragraph::depth_type par_depth = pit->getDepth();
+       LyXFont tmpfont(LyXFont::ALL_INHERIT);
+
+       // Resolve against environment font information
+       while (pit != const_cast<ParagraphList&>(plist).end() &&
+              par_depth && !tmpfont.resolved()) {
+               pit = outerHook(pit, plist);
+               if (pit != const_cast<ParagraphList&>(plist).end()) {
+                       tmpfont.realize(pit->layout()->font);
+                       par_depth = pit->getDepth();
+               }
+       }
+
+       return tmpfont;
+}
+
+
+LyXFont const realizeFont(LyXFont const & font,
+                         BufferParams const & params)
+{
+       LyXTextClass const & tclass = params.getLyXTextClass();
+       LyXFont tmpfont(font);
+       tmpfont.realize(tclass.defaultfont());
+       return tmpfont;
+}