]> git.lyx.org Git - lyx.git/blobdiff - src/paragraph.C
Get rid of lyxstring, remove usage of STRCONV.
[lyx.git] / src / paragraph.C
index 866d42471fb5f609de6ec6128fac91dd14008849..730b7d0159785ab38a5dd73d88407faae3e7740b 100644 (file)
-/* This file is part of
- * ======================================================
+/**
+ * \file paragraph.C
+ * This file is part of LyX, the document processor.
+ * Licence details can be found in the file COPYING.
  *
- *           LyX, The Document Processor
+ * \author Asger Alstrup
+ * \author Lars Gullik Bjønnes
+ * \author Jean-Marc Lasgouttes
+ * \author Angus Leeming
+ * \author John Levon
+ * \author André Pönitz
+ * \author Dekel Tsur
+ * \author Jürgen Vigna
  *
- *           Copyright 1995 Matthias Ettrich
- *           Copyright 1995-2001 The LyX Team.
- *
- * ====================================================== */
+ * Full author contact details are available in file CREDITS.
+ */
 
 #include <config.h>
 
 #include "paragraph.h"
 #include "paragraph_pimpl.h"
-#include "lyxrc.h"
-#include "layout.h"
-#include "language.h"
-#include "tex-strings.h"
+
 #include "buffer.h"
 #include "bufferparams.h"
-#include "debug.h"
-#include "texrow.h"
-#include "BufferView.h"
 #include "encoding.h"
-#include "ParameterStruct.h"
+#include "debug.h"
 #include "gettext.h"
-#include "changes.h"
+#include "language.h"
+#include "latexrunparams.h"
+#include "lyxrc.h"
+#include "lyxrow.h"
+#include "texrow.h"
+#include "vspace.h"
 
 #include "insets/insetbibitem.h"
 #include "insets/insetoptarg.h"
 
-#include "support/filetools.h"
 #include "support/lstrings.h"
-#include "support/lyxmanip.h"
-#include "support/FileInfo.h"
-#include "support/LAssert.h"
 #include "support/textutils.h"
-
-#include <algorithm>
-#include <fstream>
-#include <csignal>
-#include <ctime>
-
-using std::ostream;
-using std::endl;
-using std::fstream;
-using std::ios;
-using std::lower_bound;
-using std::upper_bound;
+#include "support/std_sstream.h"
 
 using lyx::pos_type;
 
+using lyx::support::contains;
+using lyx::support::subst;
 
-// this is a minibuffer
-
-namespace {
-
-char minibuffer_char;
-LyXFont minibuffer_font;
-Inset * minibuffer_inset;
-
-} // namespace anon
-
+using std::endl;
 
-extern BufferView * current_view;
+using std::ostream;
+using std::ostringstream;
 
 
 Paragraph::Paragraph()
-       : pimpl_(new Paragraph::Pimpl(this))
+       : y(0), pimpl_(new Paragraph::Pimpl(this))
 {
-#ifndef NO_NEXT
-       next_ = 0;
-       previous_ = 0;
-#endif
        enumdepth = 0;
        itemdepth = 0;
        params().clear();
 }
 
 
-#ifndef NO_NEXT
-// This constructor inserts the new paragraph in a list.
-// It is placed after par.
-Paragraph::Paragraph(Paragraph * par)
-       : pimpl_(new Paragraph::Pimpl(this))
+Paragraph::Paragraph(Paragraph const & lp)
+       : y(0), pimpl_(new Paragraph::Pimpl(*lp.pimpl_, this))
 {
        enumdepth = 0;
        itemdepth = 0;
+       // this is because of the dummy layout of the paragraphs that
+       // follow footnotes
+       layout_ = lp.layout();
 
-       // double linked list begin
-       next_ = par->next_;
-       if (next_)
-               next_->previous_ = this;
-       previous_ = par;
-       previous_->next_ = this;
-       // end
-
-       params().clear();
+       // copy everything behind the break-position to the new paragraph
+       insetlist = lp.insetlist;
+       InsetList::iterator it = insetlist.begin();
+       InsetList::iterator end = insetlist.end();
+       for (; it != end; ++it) {
+               // currently we hold Inset*, not InsetBase*
+               it->inset = static_cast<InsetOld*>(it->inset->clone().release());
+       }
 }
-#endif
 
 
-Paragraph::Paragraph(Paragraph const & lp, bool same_ids)
-       : pimpl_(new Paragraph::Pimpl(*lp.pimpl_, this, same_ids))
+void Paragraph::operator=(Paragraph const & lp)
 {
-       enumdepth = 0;
-       itemdepth = 0;
-#ifndef NO_NEXT
-       next_     = 0;
-       previous_ = 0;
-#endif
+       // needed as we will destroy the pimpl_ before copying it
+       if (&lp != this)
+               return;
+
+       lyxerr << "Paragraph::operator=()" << endl;
+
+       delete pimpl_;
+       pimpl_ = new Pimpl(*lp.pimpl_, this);
+
+       enumdepth = lp.enumdepth;
+       itemdepth = lp.itemdepth;
        // this is because of the dummy layout of the paragraphs that
        // follow footnotes
        layout_ = lp.layout();
@@ -118,24 +101,13 @@ Paragraph::Paragraph(Paragraph const & lp, bool same_ids)
        InsetList::iterator it = insetlist.begin();
        InsetList::iterator end = insetlist.end();
        for (; it != end; ++it) {
-               it.setInset(it.getInset()->clone(*current_view->buffer(),
-                                                same_ids));
-               // tell the new inset who is the boss now
-               it.getInset()->parOwner(this);
+               it->inset = static_cast<InsetOld*>(it->inset->clone().release());
        }
 }
 
-
 // the destructor removes the new paragraph from the list
 Paragraph::~Paragraph()
 {
-#ifndef NO_NEXT
-       if (previous_)
-               previous_->next_ = next_;
-       if (next_)
-               next_->previous_ = previous_;
-#endif
-
        delete pimpl_;
        //
        //lyxerr << "Paragraph::paragraph_id = "
@@ -143,7 +115,7 @@ Paragraph::~Paragraph()
 }
 
 
-void Paragraph::write(Buffer const * buf, ostream & os,
+void Paragraph::write(Buffer const & buf, ostream & os,
                          BufferParams const & bparams,
                          depth_type & dth) const
 {
@@ -163,60 +135,9 @@ void Paragraph::write(Buffer const * buf, ostream & os,
        }
 
        // First write the layout
-       os << "\n\\layout " << layout()->name() << '\n';
-
-       // Maybe some vertical spaces.
-       if (params().spaceTop().kind() != VSpace::NONE)
-               os << "\\added_space_top "
-                  << params().spaceTop().asLyXCommand() << ' ';
-       if (params().spaceBottom().kind() != VSpace::NONE)
-               os << "\\added_space_bottom "
-                  << params().spaceBottom().asLyXCommand() << ' ';
+       os << "\n\\begin_layout " << layout()->name() << '\n';
 
-       // Maybe the paragraph has special spacing
-       params().spacing().writeFile(os, true);
-
-       // The labelwidth string used in lists.
-       if (!params().labelWidthString().empty())
-               os << "\\labelwidthstring "
-                  << params().labelWidthString() << '\n';
-
-       // Lines above or below?
-       if (params().lineTop())
-               os << "\\line_top ";
-       if (params().lineBottom())
-               os << "\\line_bottom ";
-
-       // Pagebreaks above or below?
-       if (params().pagebreakTop())
-               os << "\\pagebreak_top ";
-       if (params().pagebreakBottom())
-               os << "\\pagebreak_bottom ";
-
-       // Start of appendix?
-       if (params().startOfAppendix())
-               os << "\\start_of_appendix ";
-
-       // Noindent?
-       if (params().noindent())
-               os << "\\noindent ";
-
-       // Do we have a manual left indent?
-       if (!params().leftIndent().zero())
-               os << "\\leftindent " << params().leftIndent().asString()
-                  << ' ';
-
-       // Alignment?
-       if (params().align() != LYX_ALIGN_LAYOUT) {
-               int h = 0;
-               switch (params().align()) {
-               case LYX_ALIGN_LEFT: h = 1; break;
-               case LYX_ALIGN_RIGHT: h = 2; break;
-               case LYX_ALIGN_CENTER: h = 3; break;
-               default: h = 0; break;
-               }
-               os << "\\align " << string_align[h] << ' ';
-       }
+       params().write(os);
 
        LyXFont font1(LyXFont::ALL_INHERIT, bparams.language);
 
@@ -246,7 +167,7 @@ void Paragraph::write(Buffer const * buf, ostream & os,
                switch (c) {
                case META_INSET:
                {
-                       Inset const * inset = getInset(i);
+                       InsetOld const * inset = getInset(i);
                        if (inset)
                                if (inset->directWrite()) {
                                        // international char, let it write
@@ -261,10 +182,6 @@ void Paragraph::write(Buffer const * buf, ostream & os,
                                }
                }
                break;
-               case META_NEWLINE:
-                       os << "\n\\newline \n";
-                       column = 0;
-                       break;
                case '\\':
                        os << "\n\\backslash \n";
                        column = 0;
@@ -302,6 +219,8 @@ void Paragraph::write(Buffer const * buf, ostream & os,
        }
        Changes::lyxMarkChange(os, column, curtime,
                running_change, Change(Change::UNCHANGED));
+
+       os << "\n\\end_layout\n";
 }
 
 
@@ -311,81 +230,19 @@ void Paragraph::validate(LaTeXFeatures & features) const
 }
 
 
-// First few functions needed for cut and paste and paragraph breaking.
-void Paragraph::copyIntoMinibuffer(Buffer const & buffer, pos_type pos) const
-{
-       BufferParams bparams = buffer.params;
-
-       minibuffer_char = getChar(pos);
-       minibuffer_font = getFontSettings(bparams, pos);
-       minibuffer_inset = 0;
-       if (minibuffer_char == Paragraph::META_INSET) {
-               if (getInset(pos)) {
-                       minibuffer_inset = getInset(pos)->clone(buffer);
-               } else {
-                       minibuffer_inset = 0;
-                       minibuffer_char = ' ';
-                       // This reflects what GetInset() does (ARRae)
-               }
-       }
-}
-
-
-void Paragraph::cutIntoMinibuffer(BufferParams const & bparams, pos_type pos)
-{
-       minibuffer_char = getChar(pos);
-       minibuffer_font = getFontSettings(bparams, pos);
-       minibuffer_inset = 0;
-       if (minibuffer_char == Paragraph::META_INSET) {
-               if (getInset(pos)) {
-                       // the inset is not in a paragraph anymore
-                       minibuffer_inset = insetlist.release(pos);
-                       minibuffer_inset->parOwner(0);
-               } else {
-                       minibuffer_inset = 0;
-                       minibuffer_char = ' ';
-                       // This reflects what GetInset() does (ARRae)
-               }
-
-       }
-
-       // Erase(pos); now the caller is responsible for that.
-}
-
-
-bool Paragraph::insertFromMinibuffer(pos_type pos)
-{
-       if (minibuffer_char == Paragraph::META_INSET) {
-               if (!insetAllowed(minibuffer_inset->lyxCode())) {
-                       return false;
-               }
-               insertInset(pos, minibuffer_inset, minibuffer_font);
-       } else {
-               LyXFont f = minibuffer_font;
-               if (!checkInsertChar(f)) {
-                       return false;
-               }
-               insertChar(pos, minibuffer_char, f);
-       }
-       return true;
-}
-
-// end of minibuffer
-
-
 void Paragraph::eraseIntern(lyx::pos_type pos)
 {
        pimpl_->eraseIntern(pos);
 }
 
 
-void Paragraph::erase(pos_type pos)
+bool Paragraph::erase(pos_type pos)
 {
-       pimpl_->erase(pos);
+       return pimpl_->erase(pos);
 }
 
 
-bool Paragraph::erase(pos_type start, pos_type end)
+int Paragraph::erase(pos_type start, pos_type end)
 {
        return pimpl_->erase(start, end);
 }
@@ -401,8 +258,7 @@ bool Paragraph::checkInsertChar(LyXFont & font)
 
 void Paragraph::insertChar(pos_type pos, Paragraph::value_type c)
 {
-       LyXFont const f(LyXFont::ALL_INHERIT);
-       insertChar(pos, c, f);
+       insertChar(pos, c, LyXFont(LyXFont::ALL_INHERIT));
 }
 
 
@@ -413,20 +269,20 @@ void Paragraph::insertChar(pos_type pos, Paragraph::value_type c,
 }
 
 
-void Paragraph::insertInset(pos_type pos, Inset * inset)
+void Paragraph::insertInset(pos_type pos, InsetOld * inset)
 {
-       LyXFont const f(LyXFont::ALL_INHERIT);
-       insertInset(pos, inset, f);
+       insertInset(pos, inset, LyXFont(LyXFont::ALL_INHERIT));
 }
 
 
-void Paragraph::insertInset(pos_type pos, Inset * inset, LyXFont const & font, Change change)
+void Paragraph::insertInset(pos_type pos, InsetOld * inset,
+       LyXFont const & font, Change change)
 {
        pimpl_->insertInset(pos, inset, font, change);
 }
 
 
-bool Paragraph::insetAllowed(Inset::Code code)
+bool Paragraph::insetAllowed(InsetOld::Code code)
 {
        //lyxerr << "Paragraph::InsertInsetAllowed" << endl;
        if (pimpl_->inset_owner)
@@ -435,16 +291,16 @@ bool Paragraph::insetAllowed(Inset::Code code)
 }
 
 
-Inset * Paragraph::getInset(pos_type pos)
+InsetOld * Paragraph::getInset(pos_type pos)
 {
-       lyx::Assert(pos < size());
+       BOOST_ASSERT(pos < size());
        return insetlist.get(pos);
 }
 
 
-Inset const * Paragraph::getInset(pos_type pos) const
+InsetOld const * Paragraph::getInset(pos_type pos) const
 {
-       lyx::Assert(pos < size());
+       BOOST_ASSERT(pos < size());
        return insetlist.get(pos);
 }
 
@@ -453,24 +309,38 @@ Inset const * Paragraph::getInset(pos_type pos) const
 LyXFont const Paragraph::getFontSettings(BufferParams const & bparams,
                                         pos_type pos) const
 {
-       lyx::Assert(pos <= size());
+       BOOST_ASSERT(pos <= size());
 
        Pimpl::FontList::const_iterator cit = pimpl_->fontlist.begin();
        Pimpl::FontList::const_iterator end = pimpl_->fontlist.end();
-       for (; cit != end; ++cit) {
+       for (; cit != end; ++cit)
                if (cit->pos() >= pos)
                        break;
-       }
 
-       LyXFont retfont;
        if (cit != end)
-               retfont = cit->font();
-       else if (pos == size() && !empty())
-               retfont = getFontSettings(bparams, pos - 1);
-       else
-               retfont = LyXFont(LyXFont::ALL_INHERIT, getParLanguage(bparams));
+               return cit->font();
+
+       if (pos == size() && !empty())
+               return getFontSettings(bparams, pos - 1);
+
+       return LyXFont(LyXFont::ALL_INHERIT, getParLanguage(bparams));
+}
+
+
+lyx::pos_type Paragraph::getEndPosOfFontSpan(lyx::pos_type pos) const
+{
+       BOOST_ASSERT(pos <= size());
 
-       return retfont;
+       Pimpl::FontList::const_iterator cit = pimpl_->fontlist.begin();
+       Pimpl::FontList::const_iterator end = pimpl_->fontlist.end();
+       for (; cit != end; ++cit)
+               if (cit->pos() >= pos)
+                       return cit->pos();
+
+       // This should not happen, but if so, we take no chances.
+       //lyxerr << "Paragraph::getEndPosOfFontSpan: This should not happen!"
+       //      << endl;
+       return pos;
 }
 
 
@@ -489,12 +359,10 @@ LyXFont const Paragraph::getFirstFontSettings() const
 // The difference is that this one is used for generating the LaTeX file,
 // and thus cosmetic "improvements" are disallowed: This has to deliver
 // the true picture of the buffer. (Asger)
-// If position is -1, we get the layout font of the paragraph.
-// If position is -2, we get the font of the manual label of the paragraph.
-LyXFont const Paragraph::getFont(BufferParams const & bparams,
-                                pos_type pos) const
+LyXFont const Paragraph::getFont(BufferParams const & bparams, pos_type pos,
+                                LyXFont const & outerfont) const
 {
-       lyx::Assert(pos >= 0);
+       BOOST_ASSERT(pos >= 0);
 
        LyXLayout_ptr const & lout = layout();
 
@@ -508,30 +376,32 @@ LyXFont const Paragraph::getFont(BufferParams const & bparams,
 
        LyXFont tmpfont = getFontSettings(bparams, pos);
        tmpfont.realize(layoutfont);
+       tmpfont.realize(outerfont);
+       tmpfont.realize(bparams.getLyXTextClass().defaultfont());
 
-       return pimpl_->realizeFont(tmpfont, bparams);
+       return tmpfont;
 }
 
 
-LyXFont const Paragraph::getLabelFont(BufferParams const & bparams) const
+LyXFont const Paragraph::getLabelFont(BufferParams const & bparams,
+                                     LyXFont const & outerfont) const
 {
-       LyXLayout_ptr const & lout = layout();
-
-       LyXFont tmpfont = lout->labelfont;
+       LyXFont tmpfont = layout()->labelfont;
        tmpfont.setLanguage(getParLanguage(bparams));
-
-       return pimpl_->realizeFont(tmpfont, bparams);
+       tmpfont.realize(outerfont);
+       tmpfont.realize(bparams.getLyXTextClass().defaultfont());
+       return tmpfont;
 }
 
 
-LyXFont const Paragraph::getLayoutFont(BufferParams const & bparams) const
+LyXFont const Paragraph::getLayoutFont(BufferParams const & bparams,
+                                      LyXFont const & outerfont) const
 {
-       LyXLayout_ptr const & lout = layout();
-
-       LyXFont tmpfont = lout->font;
+       LyXFont tmpfont = layout()->font;
        tmpfont.setLanguage(getParLanguage(bparams));
-
-       return pimpl_->realizeFont(tmpfont, bparams);
+       tmpfont.realize(outerfont);
+       tmpfont.realize(bparams.getLyXTextClass().defaultfont());
+       return tmpfont;
 }
 
 
@@ -614,7 +484,7 @@ Paragraph::getUChar(BufferParams const & bparams, pos_type pos) const
 
 void Paragraph::setFont(pos_type pos, LyXFont const & font)
 {
-       lyx::Assert(pos <= size());
+       BOOST_ASSERT(pos <= size());
 
        // First, reduce font against layout/label font
        // Update: The SetCharFont() routine in text2.C already
@@ -675,58 +545,17 @@ void Paragraph::setFont(pos_type pos, LyXFont const & font)
 }
 
 
-#ifndef NO_NEXT
-void Paragraph::next(Paragraph * p)
+void Paragraph::makeSameLayout(Paragraph const & par)
 {
-       next_ = p;
-}
-
-
-// This function is able to hide closed footnotes.
-Paragraph * Paragraph::next()
-{
-       return next_;
-}
-
-
-Paragraph const * Paragraph::next() const
-{
-       return next_;
-}
-
-
-void Paragraph::previous(Paragraph * p)
-{
-       previous_ = p;
-}
-
-
-// This function is able to hide closed footnotes.
-Paragraph * Paragraph::previous()
-{
-       return previous_;
-}
-
-
-// This function is able to hide closed footnotes.
-Paragraph const * Paragraph::previous() const
-{
-       return previous_;
-}
-#endif
-
-
-void Paragraph::makeSameLayout(Paragraph const * par)
-{
-       layout(par->layout());
+       layout(par.layout());
        // move to pimpl?
-       params() = par->params();
+       params() = par.params();
 }
 
 
 int Paragraph::stripLeadingSpaces()
 {
-       if (layout()->free_spacing || isFreeSpacing())
+       if (isFreeSpacing())
                return 0;
 
        int i = 0;
@@ -739,40 +568,11 @@ int Paragraph::stripLeadingSpaces()
 }
 
 
-bool Paragraph::hasSameLayout(Paragraph const * par) const
+bool Paragraph::hasSameLayout(Paragraph const & par) const
 {
        return
-               par->layout() == layout() &&
-               params().sameLayout(par->params());
-}
-
-
-int Paragraph::getEndLabel() const
-{
-       Paragraph const * par = this;
-       depth_type par_depth = getDepth();
-       while (par) {
-               LyXLayout_ptr const & layout = par->layout();
-               int const endlabeltype = layout->endlabeltype;
-
-               if (endlabeltype != END_LABEL_NO_LABEL) {
-                       if (!next_)
-                               return endlabeltype;
-
-                       depth_type const next_depth = next_->getDepth();
-                       if (par_depth > next_depth ||
-                           (par_depth == next_depth
-                            && layout != next_->layout()))
-                               return endlabeltype;
-                       break;
-               }
-               if (par_depth == 0)
-                       break;
-               par = par->outerHook();
-               if (par)
-                       par_depth = par->getDepth();
-       }
-       return END_LABEL_NO_LABEL;
+               par.layout() == layout() &&
+               params().sameLayout(par.params());
 }
 
 
@@ -839,19 +639,22 @@ int Paragraph::beginningOfBody() const
        // and remember the previous character to
        // remove unnecessary GetChar() calls
        pos_type i = 0;
-       if (i < size() && getChar(i) != Paragraph::META_NEWLINE) {
+       if (i < size() && !isNewline(i)) {
                ++i;
                char previous_char = 0;
                char temp = 0;
-               if (i < size()
-                   && (previous_char = getChar(i)) != Paragraph::META_NEWLINE) {
-                       // Yes, this  ^ is supposed to be "= " not "=="
-                       ++i;
-                       while (i < size()
-                              && previous_char != ' '
-                              && (temp = getChar(i)) != Paragraph::META_NEWLINE) {
+               if (i < size()) {
+                       previous_char = getChar(i);
+                       if (!isNewline(i)) {
                                ++i;
-                               previous_char = temp;
+                               while (i < size() && previous_char != ' ') {
+                                       temp = getChar(i);
+                                       if (isNewline(i))
+                                               break;
+
+                                       ++i;
+                                       previous_char = temp;
+                               }
                        }
                }
        }
@@ -860,78 +663,24 @@ int Paragraph::beginningOfBody() const
 }
 
 
-Paragraph * Paragraph::depthHook(depth_type depth)
-{
-       Paragraph * newpar = this;
-
-       do {
-               newpar = newpar->previous();
-       } while (newpar && newpar->getDepth() > depth);
-
-       if (!newpar) {
-               if (previous() || getDepth())
-                       lyxerr << "ERROR (Paragraph::DepthHook): "
-                               "no hook." << endl;
-               newpar = this;
-       }
-
-       return newpar;
-}
-
-
-Paragraph const * Paragraph::depthHook(depth_type depth) const
-{
-       Paragraph const * newpar = this;
-
-       do {
-               newpar = newpar->previous();
-       } while (newpar && newpar->getDepth() > depth);
-
-       if (!newpar) {
-               if (previous() || getDepth())
-                       lyxerr << "ERROR (Paragraph::DepthHook): "
-                               "no hook." << endl;
-               newpar = this;
-       }
-
-       return newpar;
-}
-
-
-Paragraph * Paragraph::outerHook()
-{
-       if (!getDepth())
-               return 0;
-       return depthHook(depth_type(getDepth() - 1));
-}
-
-
-Paragraph const * Paragraph::outerHook() const
-{
-       if (!getDepth())
-               return 0;
-       return depthHook(depth_type(getDepth() - 1));
-}
-
-
 // returns -1 if inset not found
-int Paragraph::getPositionOfInset(Inset const * inset) const
+int Paragraph::getPositionOfInset(InsetOld const * inset) const
 {
        // Find the entry.
-       InsetList::iterator it = insetlist.begin();
-       InsetList::iterator end = insetlist.end();
+       InsetList::const_iterator it = insetlist.begin();
+       InsetList::const_iterator end = insetlist.end();
        for (; it != end; ++it)
-               if (it.getInset() == inset)
-                       return it.getPos();
+               if (it->inset == inset)
+                       return it->pos;
        return -1;
 }
 
 
-InsetBibitem * Paragraph::bibitem()
+InsetBibitem * Paragraph::bibitem() const
 {
-       InsetList::iterator it = insetlist.begin();
-       if (it != insetlist.end() && it.getInset()->lyxCode() == Inset::BIBTEX_CODE)
-               return static_cast<InsetBibitem *>(it.getInset());
+       InsetList::const_iterator it = insetlist.begin();
+       if (it != insetlist.end() && it->inset->lyxCode() == InsetOld::BIBTEX_CODE)
+               return static_cast<InsetBibitem *>(it->inset);
        return 0;
 }
 
@@ -1054,10 +803,11 @@ int Paragraph::endTeXParParams(BufferParams const & bparams,
 
 
 // This one spits out the text of the paragraph
-bool Paragraph::simpleTeXOnePar(Buffer const * buf,
+bool Paragraph::simpleTeXOnePar(Buffer const & buf,
                                BufferParams const & bparams,
+                               LyXFont const & outerfont,
                                ostream & os, TexRow & texrow,
-                               bool moving_arg)
+                               LatexRunParams const & runparams)
 {
        lyxerr[Debug::LATEX] << "SimpleTeXOnePar...     " << this << endl;
 
@@ -1096,11 +846,12 @@ bool Paragraph::simpleTeXOnePar(Buffer const * buf,
        if (body_pos > 0) {
                os << '[';
                ++column;
-               basefont = getLabelFont(bparams);
+               basefont = getLabelFont(bparams, outerfont);
        } else {
-               basefont = getLayoutFont(bparams);
+               basefont = getLayoutFont(bparams, outerfont);
        }
 
+       bool moving_arg = runparams.moving_arg;
        moving_arg |= style->needprotect;
 
        // Which font is currently active?
@@ -1110,7 +861,7 @@ bool Paragraph::simpleTeXOnePar(Buffer const * buf,
 
        Change::Type running_change = Change::UNCHANGED;
 
-       texrow.start(this, 0);
+       texrow.start(id(), 0);
 
        // if the paragraph is empty, the loop will not be entered at all
        if (empty()) {
@@ -1132,7 +883,7 @@ bool Paragraph::simpleTeXOnePar(Buffer const * buf,
                                        column += running_font.latexWriteEndChanges(os, basefont, basefont);
                                        open_font = false;
                                }
-                               basefont = getLayoutFont(bparams);
+                               basefont = getLayoutFont(bparams, outerfont);
                                running_font = basefont;
                                os << ']';
                                ++column;
@@ -1150,7 +901,7 @@ bool Paragraph::simpleTeXOnePar(Buffer const * buf,
                value_type c = getChar(i);
 
                // Fully instantiated font
-               LyXFont font = getFont(bparams, i);
+               LyXFont font = getFont(bparams, i, outerfont);
 
                LyXFont const last_font = running_font;
 
@@ -1158,7 +909,7 @@ bool Paragraph::simpleTeXOnePar(Buffer const * buf,
                // outside font change, i.e. we write "\textXX{text} "
                // rather than "\textXX{text }". (Asger)
                if (open_font && c == ' ' && i <= size() - 2) {
-                       LyXFont const & next_font = getFont(bparams, i + 1);
+                       LyXFont const & next_font = getFont(bparams, i + 1, outerfont);
                        if (next_font != running_font
                            && next_font != font) {
                                font = next_font;
@@ -1202,38 +953,15 @@ bool Paragraph::simpleTeXOnePar(Buffer const * buf,
                column += Changes::latexMarkChange(os, running_change, change);
                running_change = change;
 
-               if (c == Paragraph::META_NEWLINE) {
-                       // newlines are handled differently here than
-                       // the default in SimpleTeXSpecialChars().
-                       if (!style->newline_allowed) {
-                               os << '\n';
-                       } else {
-                               if (open_font) {
-                                       column += running_font.latexWriteEndChanges(os, basefont, basefont);
-                                       open_font = false;
-                               }
-                               basefont = getLayoutFont(bparams);
-                               running_font = basefont;
-                               if (font.family() ==
-                                   LyXFont::TYPEWRITER_FAMILY) {
-                                       os << '~';
-                               }
-                               if (moving_arg)
-                                       os << "\\protect ";
-
-                               os << "\\\\\n";
-                       }
-                       texrow.newline();
-                       texrow.start(this, i + 1);
-                       column = 0;
-               } else {
-                       pimpl_->simpleTeXSpecialChars(buf, bparams,
-                                                     os, texrow, moving_arg,
-                                                     font, running_font,
-                                                     basefont, open_font,
-                                                     running_change,
-                                                     *style, i, column, c);
-               }
+               LatexRunParams rp = runparams;
+               rp.moving_arg = moving_arg;
+               rp.free_spacing = style->free_spacing;
+               pimpl_->simpleTeXSpecialChars(buf, bparams,
+                                             os, texrow, runparams,
+                                             font, running_font,
+                                             basefont, outerfont, open_font,
+                                             running_change,
+                                             *style, i, column, c);
        }
 
        column += Changes::latexMarkChange(os,
@@ -1246,7 +974,7 @@ bool Paragraph::simpleTeXOnePar(Buffer const * buf,
                        running_font
                                .latexWriteEndChanges(os, basefont,
                                                      next_->getFont(bparams,
-                                                     0));
+                                                     0, outerfont));
                } else {
                        running_font.latexWriteEndChanges(os, basefont,
                                                          basefont);
@@ -1281,7 +1009,7 @@ bool Paragraph::simpleTeXOnePar(Buffer const * buf,
 bool Paragraph::isHfill(pos_type pos) const
 {
        return IsInsetChar(getChar(pos))
-                                       && getInset(pos)->lyxCode() == Inset::HFILL_CODE;
+              && getInset(pos)->lyxCode() == InsetOld::HFILL_CODE;
 }
 
 
@@ -1293,7 +1021,8 @@ bool Paragraph::isInset(pos_type pos) const
 
 bool Paragraph::isNewline(pos_type pos) const
 {
-       return pos >= 0 && IsNewlineChar(getChar(pos));
+       return IsInsetChar(getChar(pos))
+              && getInset(pos)->lyxCode() == InsetOld::NEWLINE_CODE;
 }
 
 
@@ -1341,12 +1070,10 @@ bool Paragraph::isWord(pos_type pos) const
 Language const *
 Paragraph::getParLanguage(BufferParams const & bparams) const
 {
-       if (!empty()) {
+       if (!empty())
                return getFirstFontSettings().language();
-       } else if (previous_)
-               return previous_->getParLanguage(bparams);
-       else
-               return bparams.language;
+#warning FIXME we should check the prev par as well (Lgb)
+       return bparams.language;
 }
 
 
@@ -1355,12 +1082,12 @@ bool Paragraph::isRightToLeftPar(BufferParams const & bparams) const
        return lyxrc.rtl_support
                && getParLanguage(bparams)->RightToLeft()
                && !(inInset() && inInset()->owner() &&
-                    inInset()->owner()->lyxCode() == Inset::ERT_CODE);
+                    inInset()->owner()->lyxCode() == InsetOld::ERT_CODE);
 }
 
 
 void Paragraph::changeLanguage(BufferParams const & bparams,
-                                 Language const * from, Language const * to)
+                              Language const * from, Language const * to)
 {
        for (pos_type i = 0; i < size(); ++i) {
                LyXFont font = getFontSettings(bparams, i);
@@ -1381,7 +1108,7 @@ bool Paragraph::isMultiLingual(BufferParams const & bparams)
        for (; cit != end; ++cit)
                if (cit->font().language() != ignore_language &&
                    cit->font().language() != latex_language &&
-                       cit->font().language() != doc_language)
+                   cit->font().language() != doc_language)
                        return true;
        return false;
 }
@@ -1389,8 +1116,9 @@ bool Paragraph::isMultiLingual(BufferParams const & bparams)
 
 // Convert the paragraph to a string.
 // Used for building the table of contents
-string const Paragraph::asString(Buffer const * buffer, bool label) const
+string const Paragraph::asString(Buffer const & buffer, bool label) const
 {
+#if 0
        string s;
        if (label && !params().labelString().empty())
                s += params().labelString() + ' ';
@@ -1400,7 +1128,7 @@ string const Paragraph::asString(Buffer const * buffer, bool label) const
                if (IsPrintable(c))
                        s += c;
                else if (c == META_INSET &&
-                        getInset(i)->lyxCode() == Inset::MATH_CODE) {
+                        getInset(i)->lyxCode() == InsetOld::MATH_CODE) {
                        ostringstream ost;
                        getInset(i)->ascii(buffer, ost);
                        s += subst(STRCONV(ost.str()),'\n',' ');
@@ -1408,10 +1136,15 @@ string const Paragraph::asString(Buffer const * buffer, bool label) const
        }
 
        return s;
+#else
+       // This should really be done by the caller and not here.
+       string ret(asString(buffer, 0, size(), label));
+       return subst(ret, '\n', ' ');
+#endif
 }
 
 
-string const Paragraph::asString(Buffer const * buffer,
+string const Paragraph::asString(Buffer const & buffer,
                                 pos_type beg, pos_type end, bool label) const
 {
        ostringstream os;
@@ -1420,45 +1153,35 @@ string const Paragraph::asString(Buffer const * buffer,
                os << params().labelString() << ' ';
 
        for (pos_type i = beg; i < end; ++i) {
-               value_type const c = getUChar(buffer->params, i);
+               value_type const c = getUChar(buffer.params(), i);
                if (IsPrintable(c))
                        os << c;
-               else if (c == META_NEWLINE)
-                       os << '\n';
-               else if (c == META_INSET) 
+               else if (c == META_INSET)
                        getInset(i)->ascii(buffer, os);
        }
 
-       return STRCONV(os.str());
+       return os.str();
 }
 
 
-void Paragraph::setInsetOwner(Inset * i)
+void Paragraph::setInsetOwner(UpdatableInset * inset)
 {
-       pimpl_->inset_owner = i;
+       pimpl_->inset_owner = inset;
        InsetList::iterator it = insetlist.begin();
        InsetList::iterator end = insetlist.end();
-       for (; it != end; ++it) 
-               if (it.getInset())
-                       it.getInset()->setOwner(i);
+       for (; it != end; ++it)
+               if (it->inset)
+                       it->inset->setOwner(inset);
 }
 
 
 void Paragraph::deleteInsetsLyXText(BufferView * bv)
 {
-       // then the insets
        insetlist.deleteInsetsLyXText(bv);
 }
 
 
-void Paragraph::resizeInsetsLyXText(BufferView * bv)
-{
-       // then the insets
-       insetlist.resizeInsetsLyXText(bv);
-}
-
-
-void Paragraph::setContentsFromPar(Paragraph * par)
+void Paragraph::setContentsFromPar(Paragraph const & par)
 {
        pimpl_->setContentsFromPar(par);
 }
@@ -1484,14 +1207,14 @@ void Paragraph::cleanChanges()
 
 Change::Type Paragraph::lookupChange(lyx::pos_type pos) const
 {
-       lyx::Assert(!size() || pos < size());
+       BOOST_ASSERT(!size() || pos < size());
        return pimpl_->lookupChange(pos);
 }
 
 
 Change const Paragraph::lookupChangeFull(lyx::pos_type pos) const
 {
-       lyx::Assert(!size() || pos < size());
+       BOOST_ASSERT(!size() || pos < size());
        return pimpl_->lookupChangeFull(pos);
 }
 
@@ -1557,28 +1280,30 @@ int Paragraph::id() const
 }
 
 
-LyXLayout_ptr const & Paragraph::layout() const
+void Paragraph::id(int i)
 {
-       return layout_;
+       pimpl_->id_ = i;
 }
 
 
-void Paragraph::layout(LyXLayout_ptr const & new_layout)
+LyXLayout_ptr const & Paragraph::layout() const
 {
-       layout_ = new_layout;
+/*
+       InsetOld * inset = inInset();
+       if (inset && inset->lyxCode() == InsetOld::ENVIRONMENT_CODE)
+               return static_cast<InsetEnvironment*>(inset)->layout();
+*/
+       return layout_;
 }
 
 
-bool Paragraph::isFirstInSequence() const
+void Paragraph::layout(LyXLayout_ptr const & new_layout)
 {
-       Paragraph const * dhook = depthHook(getDepth());
-       return (dhook == this
-               || dhook->layout() != layout()
-               || dhook->getDepth() != getDepth());
+       layout_ = new_layout;
 }
 
 
-Inset * Paragraph::inInset() const
+UpdatableInset * Paragraph::inInset() const
 {
        return pimpl_->inset_owner;
 }
@@ -1609,9 +1334,22 @@ ParagraphParameters const & Paragraph::params() const
 
 bool Paragraph::isFreeSpacing() const
 {
+       if (layout()->free_spacing)
+               return true;
+
        // for now we just need this, later should we need this in some
-       // other way we can always add a function to Inset::() too.
+       // other way we can always add a function to InsetOld too.
+       if (pimpl_->inset_owner && pimpl_->inset_owner->owner())
+               return pimpl_->inset_owner->owner()->lyxCode() == InsetOld::ERT_CODE;
+       return false;
+}
+
+
+bool Paragraph::allowEmpty() const
+{
+       if (layout()->keepempty)
+               return true;
        if (pimpl_->inset_owner && pimpl_->inset_owner->owner())
-               return (pimpl_->inset_owner->owner()->lyxCode() == Inset::ERT_CODE);
+               return pimpl_->inset_owner->owner()->lyxCode() == InsetOld::ERT_CODE;
        return false;
 }