]> git.lyx.org Git - lyx.git/blobdiff - src/Paragraph.cpp
Added Liviu Andronic, and modified generate_contributions.py to match what was in...
[lyx.git] / src / Paragraph.cpp
index 2477165dede936fdbb083f732b49047b3c044650..f51ebc2501651975ea79f7c4f9231ee68f2003ef 100644 (file)
@@ -19,6 +19,7 @@
 
 #include "Paragraph.h"
 
+#include "LayoutFile.h"
 #include "Buffer.h"
 #include "BufferParams.h"
 #include "Changes.h"
@@ -48,6 +49,7 @@
 #include "insets/InsetBibitem.h"
 #include "insets/InsetLabel.h"
 
+#include "support/lassert.h"
 #include "support/convert.h"
 #include "support/debug.h"
 #include "support/gettext.h"
@@ -78,9 +80,11 @@ class Paragraph::Private
 {
 public:
        ///
-       Private(Paragraph * owner);
+       Private(Paragraph * owner, Layout const & layout);
        /// "Copy constructor"
        Private(Private const &, Paragraph * owner);
+       /// Copy constructor from \p beg  to \p end
+       Private(Private const &, Paragraph * owner, pos_type beg, pos_type end);
 
        ///
        void insertChar(pos_type pos, char_type c, Change const & change);
@@ -115,7 +119,7 @@ public:
                            bool) const;
 
        ///
-       void latexInset(Buffer const &, BufferParams const &,
+       void latexInset(BufferParams const &,
                                   odocstream &,
                                   TexRow & texrow, OutputParams &,
                                   Font & running_font,
@@ -189,9 +193,6 @@ public:
        ///
        InsetList insetlist_;
 
-       ///
-       LayoutPtr layout_;
-
        /// end of label
        pos_type begin_of_body_;
 
@@ -202,6 +203,8 @@ public:
        typedef std::set<docstring> Words;
        ///
        Words words_;
+       ///
+       Layout const * layout_;
 };
 
 
@@ -228,8 +231,8 @@ size_t const phrases_nr = sizeof(special_phrases)/sizeof(special_phrase);
 } // namespace anon
 
 
-Paragraph::Private::Private(Paragraph * owner)
-       : owner_(owner), inset_owner_(0), begin_of_body_(0)
+Paragraph::Private::Private(Paragraph * owner, Layout const & layout)
+       : owner_(owner), inset_owner_(0), begin_of_body_(0), layout_(&layout)
 {
        id_ = paragraph_id++;
        text_.reserve(100);
@@ -239,17 +242,46 @@ Paragraph::Private::Private(Paragraph * owner)
 Paragraph::Private::Private(Private const & p, Paragraph * owner)
        : owner_(owner), inset_owner_(p.inset_owner_), fontlist_(p.fontlist_), 
          params_(p.params_), changes_(p.changes_), insetlist_(p.insetlist_),
-         layout_(p.layout_), begin_of_body_(p.begin_of_body_), text_(p.text_),
-         words_(p.words_)
+         begin_of_body_(p.begin_of_body_), text_(p.text_), words_(p.words_),
+         layout_(p.layout_)
 {
        id_ = paragraph_id++;
 }
 
 
+Paragraph::Private::Private(Private const & p, Paragraph * owner,
+       pos_type beg, pos_type end)
+       : owner_(owner), inset_owner_(p.inset_owner_),
+         params_(p.params_), changes_(p.changes_),
+         insetlist_(p.insetlist_, beg, end),
+         begin_of_body_(p.begin_of_body_), words_(p.words_),
+         layout_(p.layout_)
+{
+       id_ = paragraph_id++;
+       if (beg >= pos_type(p.text_.size()))
+               return;
+       text_ = p.text_.substr(beg, end - beg);
+
+       FontList::const_iterator fcit = fontlist_.begin();
+       FontList::const_iterator fend = fontlist_.end();
+       for (; fcit != fend; ++fcit) {
+               if (fcit->pos() < beg)
+                       continue;
+               if (fcit->pos() >= end) {
+                       // Add last entry in the fontlist_.
+                       fontlist_.set(text_.size() - 1, fcit->font());
+                       break;
+               }
+               // Add a new entry in the fontlist_.
+               fontlist_.set(fcit->pos() - beg, fcit->font());
+       }
+}
+
+
 bool Paragraph::isChanged(pos_type start, pos_type end) const
 {
-       BOOST_ASSERT(start >= 0 && start <= size());
-       BOOST_ASSERT(end > start && end <= size() + 1);
+       LASSERT(start >= 0 && start <= size(), /**/);
+       LASSERT(end > start && end <= size() + 1, /**/);
 
        return d->changes_.isChanged(start, end);
 }
@@ -294,7 +326,7 @@ void Paragraph::setChange(Change const & change)
 
 void Paragraph::setChange(pos_type pos, Change const & change)
 {
-       BOOST_ASSERT(pos >= 0 && pos <= size());
+       LASSERT(pos >= 0 && pos <= size(), /**/);
        d->changes_.set(change, pos);
 
        // see comment in setChange(Change const &) above
@@ -306,7 +338,7 @@ void Paragraph::setChange(pos_type pos, Change const & change)
 
 Change const & Paragraph::lookupChange(pos_type pos) const
 {
-       BOOST_ASSERT(pos >= 0 && pos <= size());
+       LASSERT(pos >= 0 && pos <= size(), /**/);
        return d->changes_.lookup(pos);
 }
 
@@ -314,8 +346,8 @@ Change const & Paragraph::lookupChange(pos_type pos) const
 void Paragraph::acceptChanges(BufferParams const & bparams, pos_type start,
                pos_type end)
 {
-       BOOST_ASSERT(start >= 0 && start <= size());
-       BOOST_ASSERT(end > start && end <= size() + 1);
+       LASSERT(start >= 0 && start <= size(), /**/);
+       LASSERT(end > start && end <= size() + 1, /**/);
 
        for (pos_type pos = start; pos < end; ++pos) {
                switch (lookupChange(pos).type) {
@@ -350,8 +382,8 @@ void Paragraph::acceptChanges(BufferParams const & bparams, pos_type start,
 void Paragraph::rejectChanges(BufferParams const & bparams,
                pos_type start, pos_type end)
 {
-       BOOST_ASSERT(start >= 0 && start <= size());
-       BOOST_ASSERT(end > start && end <= size() + 1);
+       LASSERT(start >= 0 && start <= size(), /**/);
+       LASSERT(end > start && end <= size() + 1, /**/);
 
        for (pos_type pos = start; pos < end; ++pos) {
                switch (lookupChange(pos).type) {
@@ -386,7 +418,7 @@ void Paragraph::rejectChanges(BufferParams const & bparams,
 void Paragraph::Private::insertChar(pos_type pos, char_type c,
                Change const & change)
 {
-       BOOST_ASSERT(pos >= 0 && pos <= int(text_.size()));
+       LASSERT(pos >= 0 && pos <= int(text_.size()), /**/);
 
        // track change
        changes_.insert(change, pos);
@@ -412,11 +444,11 @@ void Paragraph::Private::insertChar(pos_type pos, char_type c,
 void Paragraph::insertInset(pos_type pos, Inset * inset,
                                   Change const & change)
 {
-       BOOST_ASSERT(inset);
-       BOOST_ASSERT(pos >= 0 && pos <= size());
+       LASSERT(inset, /**/);
+       LASSERT(pos >= 0 && pos <= size(), /**/);
 
        d->insertChar(pos, META_INSET, change);
-       BOOST_ASSERT(d->text_[pos] == META_INSET);
+       LASSERT(d->text_[pos] == META_INSET, /**/);
 
        // Add a new entry in the insetlist_.
        d->insetlist_.insert(inset, pos);
@@ -425,7 +457,7 @@ void Paragraph::insertInset(pos_type pos, Inset * inset,
 
 bool Paragraph::eraseChar(pos_type pos, bool trackChanges)
 {
-       BOOST_ASSERT(pos >= 0 && pos <= size());
+       LASSERT(pos >= 0 && pos <= size(), /**/);
 
        // keep the logic here in sync with the logic of isMergedOnEndOfParDeletion()
 
@@ -474,8 +506,8 @@ bool Paragraph::eraseChar(pos_type pos, bool trackChanges)
 
 int Paragraph::eraseChars(pos_type start, pos_type end, bool trackChanges)
 {
-       BOOST_ASSERT(start >= 0 && start <= size());
-       BOOST_ASSERT(end >= start && end <= size() + 1);
+       LASSERT(start >= 0 && start <= size(), /**/);
+       LASSERT(end >= start && end <= size() + 1, /**/);
 
        pos_type i = start;
        for (pos_type count = end - start; count; --count) {
@@ -498,7 +530,12 @@ int Paragraph::Private::latexSurrogatePair(odocstream & os, char_type c,
        // Is this correct WRT change tracking?
        docstring const latex1 = encoding.latexChar(next);
        docstring const latex2 = encoding.latexChar(c);
-       os << latex1 << '{' << latex2 << '}';
+       if (docstring(1, next) == latex1) {
+               // the encoding supports the combination
+               os << latex2 << latex1;
+               return latex1.length() + latex2.length();
+       } else
+               os << latex1 << '{' << latex2 << '}';
        return latex1.length() + latex2.length() + 2;
 }
 
@@ -560,9 +597,10 @@ int Paragraph::Private::writeScriptChars(odocstream & os,
 
        // 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) and it belongs to a known script.
-       // Parameter ltx contains the latex translation of text_[i] as specified in
-       // the unicodesymbols file and is something like "\textXXX{<spec>}".
+       // latex encoding) or its latex translation has been forced, and it
+       // belongs to a known script.
+       // Parameter ltx contains the latex translation of text_[i] as specified
+       // in the unicodesymbols file and is something like "\textXXX{<spec>}".
        // The latex macro name "textXXX" specifies the script to which text_[i]
        // belongs and we use it in order to check whether characters from the
        // same script immediately follow, such that we can collect them in a
@@ -571,8 +609,16 @@ int Paragraph::Private::writeScriptChars(odocstream & os,
        docstring::size_type const brace1 = ltx.find_first_of(from_ascii("{"));
        docstring::size_type const brace2 = ltx.find_last_of(from_ascii("}"));
        string script = to_ascii(ltx.substr(1, brace1 - 1));
-       int length = ltx.substr(0, brace2).length();
-       os << ltx.substr(0, brace2);
+       int pos = 0;
+       int length = brace2;
+       bool closing_brace = true;
+       if (script == "textgreek" && encoding.latexName() == "iso-8859-7") {
+               // Correct encoding is being used, so we can avoid \textgreek.
+               pos = brace1 + 1;
+               length -= pos;
+               closing_brace = false;
+       }
+       os << ltx.substr(pos, length);
        int size = text_.size();
        while (i + 1 < size) {
                char_type const next = text_[i + 1];
@@ -606,8 +652,10 @@ int Paragraph::Private::writeScriptChars(odocstream & os,
                length += len;
                ++i;
        }
-       os << '}';
-       ++length;
+       if (closing_brace) {
+               os << '}';
+               ++length;
+       }
        return length;
 }
 
@@ -632,7 +680,7 @@ bool Paragraph::Private::isTextAt(string const & str, pos_type pos) const
 }
 
 
-void Paragraph::Private::latexInset(Buffer const & buf,
+void Paragraph::Private::latexInset(
                                             BufferParams const & bparams,
                                             odocstream & os,
                                             TexRow & texrow,
@@ -647,10 +695,10 @@ void Paragraph::Private::latexInset(Buffer const & buf,
                                             unsigned int & column)
 {
        Inset * inset = owner_->getInset(i);
-       BOOST_ASSERT(inset);
+       LASSERT(inset, /**/);
 
        if (style.pass_thru) {
-               inset->plaintext(buf, os, runparams);
+               inset->plaintext(os, runparams);
                return;
        }
 
@@ -743,7 +791,16 @@ void Paragraph::Private::latexInset(Buffer const & buf,
                }
        }
 
-       int tmp = inset->latex(buf, os, runparams);
+       int tmp;
+
+       try {
+               tmp = inset->latex(os, runparams);
+       } catch (EncodingException & e) {
+               // add location information and throw again.
+               e.par_id = id_;
+               e.pos = i;
+               throw(e);
+       }
 
        if (close) {
        if (running_font.language()->lang() == "farsi")
@@ -787,6 +844,8 @@ void Paragraph::Private::latexSpecialChar(
        }
 
        if (runparams.verbatim) {
+               // FIXME UNICODE: This can fail if c cannot
+               // be encoded in the current encoding.
                os.put(c);
                return;
        }
@@ -859,7 +918,6 @@ void Paragraph::Private::latexSpecialChar(
                break;
 
        default:
-
                // LyX, LaTeX etc.
                if (latexSpecialPhrase(os, i, column, runparams))
                        return;
@@ -908,11 +966,8 @@ bool Paragraph::Private::latexSpecialT1(char_type const c, odocstream & os,
                // but we should avoid ligatures
                if (i + 1 >= int(text_.size()) || text_[i + 1] != c)
                        return true;
-               os << "\\,{}";
-               column += 3;
-               // Alternative code:
-               //os << "\\textcompwordmark{}";
-               //column += 19;
+               os << "\\textcompwordmark{}";
+               column += 19;
                return true;
        case '|':
                os.put(c);
@@ -928,37 +983,19 @@ bool Paragraph::Private::latexSpecialTypewriter(char_type const c, odocstream &
 {
        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] == '-') {
-                       // "--" in Typewriter mode -> "-{}-"
                        os << "-{}";
                        column += 2;
                } else
                        os << '-';
                return true;
 
-       // I assume this is hack treating typewriter as verbatim
-       // FIXME UNICODE: This can fail if c cannot be encoded
-       // in the current encoding.
-
-       case '\0':
-               return true;
-
-       // Those characters are not directly supported.
-       case '\\':
-       case '\"':
-       case '$': case '&':
-       case '%': case '#': case '{':
-       case '}': case '_':
-       case '~':
-       case '^':
-       case '*': case '[':
-       case ' ':
-               return false;
-
+       // everything else has to be checked separately
+       // (depending on the encoding)
        default:
-               // With Typewriter font, these characters exist.
-               os.put(c);
-               return true;
+               return false;
        }
 }
 
@@ -1034,8 +1071,12 @@ void Paragraph::Private::validate(LaTeXFeatures & features,
 //
 /////////////////////////////////////////////////////////////////////
 
-Paragraph::Paragraph()
-       : d(new Paragraph::Private(this))
+namespace {
+       Layout const emptyParagraphLayout;
+}
+
+Paragraph::Paragraph() 
+       : d(new Paragraph::Private(this, emptyParagraphLayout))
 {
        itemdepth = 0;
        d->params_.clear();
@@ -1050,6 +1091,14 @@ Paragraph::Paragraph(Paragraph const & par)
 }
 
 
+Paragraph::Paragraph(Paragraph const & par, pos_type beg, pos_type end)
+       : itemdepth(par.itemdepth),
+       d(new Paragraph::Private(*par.d, this, beg, end))
+{
+       registerWords();
+}
+
+
 Paragraph & Paragraph::operator=(Paragraph const & par)
 {
        // needed as we will destroy the private part before copying it
@@ -1072,9 +1121,8 @@ Paragraph::~Paragraph()
 }
 
 
-void Paragraph::write(Buffer const & buf, ostream & os,
-                         BufferParams const & bparams,
-                         depth_type & dth) const
+void Paragraph::write(ostream & os, BufferParams const & bparams,
+       depth_type & dth) const
 {
        // The beginning or end of a deeper (i.e. nested) area?
        if (dth != d->params_.depth()) {
@@ -1126,12 +1174,12 @@ void Paragraph::write(Buffer const & buf, ostream & os,
                                        // international char, let it write
                                        // code directly so it's shorter in
                                        // the file
-                                       inset->write(buf, os);
+                                       inset->write(os);
                                } else {
                                        if (i)
                                                os << '\n';
                                        os << "\\begin_inset ";
-                                       inset->write(buf, os);
+                                       inset->write(os);
                                        os << "\n\\end_inset\n\n";
                                        column = 0;
                                }
@@ -1159,8 +1207,7 @@ void Paragraph::write(Buffer const & buf, ostream & os,
                        if (c != '\0')
                                os << to_utf8(docstring(1, c));
                        else
-                               lyxerr << "ERROR (Paragraph::writeFile):"
-                                       " NULL char in structure." << endl;
+                               LYXERR0("NUL char in structure.");
                        ++column;
                        break;
                }
@@ -1209,7 +1256,7 @@ void Paragraph::appendString(docstring const & s, Font const & font,
        d->text_.append(s);
 
        // FIXME: Optimize this!
-       for (pos_type i = 0; i != end; ++i) {
+       for (pos_type i = oldsize; i != newsize; ++i) {
                // track change
                d->changes_.insert(change, i);
        }
@@ -1270,8 +1317,8 @@ Font const Paragraph::getFontSettings(BufferParams const & bparams,
                                         pos_type pos) const
 {
        if (pos > size()) {
-               lyxerr << " pos: " << pos << " size: " << size() << endl;
-               BOOST_ASSERT(pos <= size());
+               LYXERR0("pos: " << pos << " size: " << size());
+               LASSERT(pos <= size(), /**/);
        }
 
        FontList::const_iterator cit = d->fontlist_.fontIterator(pos);
@@ -1287,7 +1334,7 @@ Font const Paragraph::getFontSettings(BufferParams const & bparams,
 
 FontSpan Paragraph::fontSpan(pos_type pos) const
 {
-       BOOST_ASSERT(pos <= size());
+       LASSERT(pos <= size(), /**/);
        pos_type start = 0;
 
        FontList::const_iterator cit = d->fontlist_.begin();
@@ -1306,8 +1353,7 @@ FontSpan Paragraph::fontSpan(pos_type pos) const
        }
 
        // This should not happen, but if so, we take no chances.
-       //lyxerr << "Paragraph::getEndPosOfFontSpan: This should not happen!"
-       //      << endl;
+       // LYXERR0("Paragraph::getEndPosOfFontSpan: This should not happen!");
        return FontSpan(pos, pos);
 }
 
@@ -1330,7 +1376,7 @@ Font const Paragraph::getFirstFontSettings(BufferParams const & bparams) const
 Font const Paragraph::getFont(BufferParams const & bparams, pos_type pos,
                                 Font const & outerfont) const
 {
-       BOOST_ASSERT(pos >= 0);
+       LASSERT(pos >= 0, /**/);
 
        Font font = getFontSettings(bparams, pos);
 
@@ -1375,8 +1421,7 @@ FontSize Paragraph::highestFontInRange
 }
 
 
-char_type
-Paragraph::getUChar(BufferParams const & bparams, pos_type pos) const
+char_type Paragraph::getUChar(BufferParams const & bparams, pos_type pos) const
 {
        char_type c = d->text_[pos];
        if (!lyxrc.rtl_support)
@@ -1411,14 +1456,13 @@ Paragraph::getUChar(BufferParams const & bparams, pos_type pos) const
        }
        if (uc != c && getFontSettings(bparams, pos).isRightToLeft())
                return uc;
-       else
-               return c;
+       return c;
 }
 
 
 void Paragraph::setFont(pos_type pos, Font const & font)
 {
-       BOOST_ASSERT(pos <= size());
+       LASSERT(pos <= size(), /**/);
 
        // First, reduce font against layout/label font
        // Update: The setCharFont() routine in text2.cpp already
@@ -1456,7 +1500,8 @@ bool Paragraph::stripLeadingSpaces(bool trackChanges)
 
 bool Paragraph::hasSameLayout(Paragraph const & par) const
 {
-       return par.d->layout_ == d->layout_ && d->params_.sameLayout(par.d->params_);
+       return par.d->layout_ == d->layout_
+               && d->params_.sameLayout(par.d->params_);
 }
 
 
@@ -1520,21 +1565,21 @@ docstring const Paragraph::translateIfPossible(docstring const & s,
 }
 
 
-docstring Paragraph::expandLabel(LayoutPtr const & layout,
+docstring Paragraph::expandLabel(Layout const & layout,
                BufferParams const & bparams, bool process_appendix) const
 {
-       TextClass const & tclass = bparams.textClass();
+       DocumentClass const & tclass = bparams.documentClass();
 
        docstring fmt;
        if (process_appendix && d->params_.appendix())
-               fmt = translateIfPossible(layout->labelstring_appendix(),
+               fmt = translateIfPossible(layout.labelstring_appendix(),
                        bparams);
        else
-               fmt = translateIfPossible(layout->labelstring(), bparams);
+               fmt = translateIfPossible(layout.labelstring(), bparams);
 
-       if (fmt.empty() && layout->labeltype == LABEL_COUNTER 
-           && !layout->counter.empty())
-               fmt = "\\the" + layout->counter;
+       if (fmt.empty() && layout.labeltype == LABEL_COUNTER 
+           && !layout.counter.empty())
+               fmt = "\\the" + layout.counter;
 
        // handle 'inherited level parts' in 'fmt',
        // i.e. the stuff between '@' in   '@Section@.\arabic{subsection}'
@@ -1556,9 +1601,9 @@ docstring Paragraph::expandLabel(LayoutPtr const & layout,
 }
 
 
-void Paragraph::applyLayout(LayoutPtr const & new_layout)
+void Paragraph::applyLayout(Layout const & new_layout)
 {
-       d->layout_ = new_layout;
+       d->layout_ = &new_layout;
        LyXAlignment const oldAlign = d->params_.align();
        
        if (!(oldAlign & d->layout_->alignpossible)) {
@@ -1610,21 +1655,30 @@ void Paragraph::setBeginOfBody()
 }
 
 
-bool Paragraph::forceEmptyLayout() const
+bool Paragraph::forcePlainLayout() const
 {
-       return inInset() && inInset()->forceEmptyLayout();
+       Inset const * const inset = inInset();
+       if (!inset)
+               return true;
+       return inset->forcePlainLayout();
 }
 
 
 bool Paragraph::allowParagraphCustomization() const
 {
-       return inInset() && inInset()->allowParagraphCustomization(0);
+       Inset const * const inset = inInset();
+       if (!inset)
+               return true;
+       return inset->allowParagraphCustomization();
 }
 
 
-bool Paragraph::useEmptyLayout() const
+bool Paragraph::usePlainLayout() const
 {
-       return inInset() && inInset()->useEmptyLayout();
+       Inset const * const inset = inInset();
+       if (!inset)
+               return false;
+       return inset->usePlainLayout();
 }
 
 
@@ -1809,8 +1863,7 @@ int Paragraph::Private::endTeXParParams(BufferParams const & bparams,
 
 
 // This one spits out the text of the paragraph
-bool Paragraph::latex(Buffer const & buf,
-                               BufferParams const & bparams,
+bool Paragraph::latex(BufferParams const & bparams,
                                Font const & outerfont,
                                odocstream & os, TexRow & texrow,
                                OutputParams const & runparams) const
@@ -1819,19 +1872,11 @@ bool Paragraph::latex(Buffer const & buf,
 
        bool return_value = false;
 
-       LayoutPtr style;
+       bool asdefault = forcePlainLayout();
 
-       // well we have to check if we are in an inset with unlimited
-       // length (all in one row) if that is true then we don't allow
-       // any special options in the paragraph and also we don't allow
-       // any environment other than the default layout of the text class
-       // to be valid!
-       bool asdefault = forceEmptyLayout();
-
-       if (asdefault)
-               style = bparams.textClass().defaultLayout();
-        else
-               style = d->layout_;
+       Layout const & style = asdefault ?
+               bparams.documentClass().plainLayout() :
+               *d->layout_;
 
        // Current base font for all inherited font changes, without any
        // change caused by an individual character, except for the language:
@@ -1866,7 +1911,7 @@ bool Paragraph::latex(Buffer const & buf,
 
        // if the paragraph is empty, the loop will not be entered at all
        if (empty()) {
-               if (style->isCommand()) {
+               if (style.isCommand()) {
                        os << '{';
                        ++column;
                }
@@ -1895,7 +1940,7 @@ bool Paragraph::latex(Buffer const & buf,
                                os << "}] ";
                                column +=3;
                        }
-                       if (style->isCommand()) {
+                       if (style.isCommand()) {
                                os << '{';
                                ++column;
                        }
@@ -1959,8 +2004,8 @@ bool Paragraph::latex(Buffer const & buf,
 
                // Switch file encoding if necessary (and allowed)
                if (!runparams.verbatim && 
-                   runparams.encoding->package() == Encoding::none &&
-                   font.language()->encoding()->package() == Encoding::none) {
+                   runparams.encoding->package() != Encoding::none &&
+                   font.language()->encoding()->package() != Encoding::none) {
                        pair<bool, int> const enc_switch = switchEncoding(os, bparams,
                                        runparams, *(font.language()->encoding()));
                        if (enc_switch.first) {
@@ -1995,13 +2040,13 @@ bool Paragraph::latex(Buffer const & buf,
                if (c == ' ') {
                        // FIXME: integrate this case in latexSpecialChar
                        // Do not print the separation of the optional argument
-                       // if style->pass_thru is false. This works because
+                       // if style.pass_thru is false. This works because
                        // latexSpecialChar ignores spaces if
-                       // style->pass_thru is false.
+                       // style.pass_thru is false.
                        if (i != body_pos - 1) {
                                if (d->simpleTeXBlanks(
                                                runparams, os, texrow,
-                                               i, column, font, *style)) {
+                                               i, column, font, style)) {
                                        // A surrogate pair was output. We
                                        // must not call latexSpecialChar
                                        // in this iteration, since it would output
@@ -2013,22 +2058,22 @@ bool Paragraph::latex(Buffer const & buf,
                }
 
                OutputParams rp = runparams;
-               rp.free_spacing = style->free_spacing;
+               rp.free_spacing = style.free_spacing;
                rp.local_font = &font;
-               rp.intitle = style->intitle;
+               rp.intitle = style.intitle;
 
                // Two major modes:  LaTeX or plain
                // Handle here those cases common to both modes
                // and then split to handle the two modes separately.
                if (c == META_INSET)
-                       d->latexInset(buf, bparams, os,
+                       d->latexInset(bparams, os,
                                        texrow, rp, running_font,
                                        basefont, outerfont, open_font,
-                                       runningChange, *style, i, column);
+                                       runningChange, style, i, column);
                else {
                        try {
                                d->latexSpecialChar(os, rp, running_font, runningChange,
-                                       *style, i, column);
+                                       style, i, column);
                        } catch (EncodingException & e) {
                                if (runparams.dryrun) {
                                        os << "<" << _("LyX Warning: ")
@@ -2044,7 +2089,7 @@ bool Paragraph::latex(Buffer const & buf,
                        }
                }
 
-               // Set the encoding to that returned from simpleTeXSpecialChars (see
+               // Set the encoding to that returned from latexSpecialChar (see
                // comment for encoding member in OutputParams.h)
                runparams.encoding = rp.encoding;
        }
@@ -2112,7 +2157,8 @@ bool Paragraph::emptyTag() const
 }
 
 
-string Paragraph::getID(Buffer const & buf, OutputParams const & runparams) const
+string Paragraph::getID(Buffer const & buf, OutputParams const & runparams)
+       const
 {
        for (pos_type i = 0; i < size(); ++i) {
                if (Inset const * inset = getInset(i)) {
@@ -2128,12 +2174,13 @@ string Paragraph::getID(Buffer const & buf, OutputParams const & runparams) cons
 }
 
 
-pos_type Paragraph::getFirstWord(Buffer const & buf, odocstream & os, OutputParams const & runparams) const
+pos_type Paragraph::firstWord(odocstream & os, OutputParams const & runparams)
+       const
 {
        pos_type i;
        for (i = 0; i < size(); ++i) {
                if (Inset const * inset = getInset(i)) {
-                       inset->docbook(buf, os, runparams);
+                       inset->docbook(os, runparams);
                } else {
                        char_type c = d->text_[i];
                        if (c == ' ')
@@ -2170,11 +2217,11 @@ void Paragraph::simpleDocBookOnePar(Buffer const & buf,
 {
        bool emph_flag = false;
 
-       LayoutPtr const & style = d->layout_;
+       Layout const & style = *d->layout_;
        FontInfo font_old =
-               style->labeltype == LABEL_MANUAL ? style->labelfont : style->font;
+               style.labeltype == LABEL_MANUAL ? style.labelfont : style.font;
 
-       if (style->pass_thru && !d->onlyText(buf, outerfont, initial))
+       if (style.pass_thru && !d->onlyText(buf, outerfont, initial))
                os << "]]>";
 
        // parsing main loop
@@ -2193,11 +2240,11 @@ void Paragraph::simpleDocBookOnePar(Buffer const & buf,
                }
 
                if (Inset const * inset = getInset(i)) {
-                       inset->docbook(buf, os, runparams);
+                       inset->docbook(os, runparams);
                } else {
                        char_type c = d->text_[i];
 
-                       if (style->pass_thru)
+                       if (style.pass_thru)
                                os.put(c);
                        else
                                os << sgml::escapeChar(c);
@@ -2209,9 +2256,9 @@ void Paragraph::simpleDocBookOnePar(Buffer const & buf,
                os << "</emphasis>";
        }
 
-       if (style->free_spacing)
+       if (style.free_spacing)
                os << '\n';
-       if (style->pass_thru && !d->onlyText(buf, outerfont, initial))
+       if (style.pass_thru && !d->onlyText(buf, outerfont, initial))
                os << "<![CDATA[";
 }
 
@@ -2219,7 +2266,8 @@ void Paragraph::simpleDocBookOnePar(Buffer const & buf,
 bool Paragraph::isHfill(pos_type pos) const
 {
        Inset const * inset = getInset(pos);
-       return inset && inset->lyxCode() == HFILL_CODE;
+       return inset && (inset->lyxCode() == SPACE_CODE &&
+                        inset->isStretchableSpace());
 }
 
 
@@ -2250,6 +2298,24 @@ bool Paragraph::isLetter(pos_type pos) const
 }
 
 
+bool Paragraph::isChar(pos_type pos) const
+{
+       if (Inset const * inset = getInset(pos))
+               return inset->isChar();
+       char_type const c = d->text_[pos];
+       return !isLetterChar(c) && !isDigit(c) && !lyx::isSpace(c);
+}
+
+
+bool Paragraph::isSpace(pos_type pos) const
+{
+       if (Inset const * inset = getInset(pos))
+               return inset->isSpace();
+       char_type const c = d->text_[pos];
+       return lyx::isSpace(c);
+}
+
+
 Language const *
 Paragraph::getParLanguage(BufferParams const & bparams) const
 {
@@ -2298,29 +2364,27 @@ bool Paragraph::isMultiLingual(BufferParams const & bparams) const
 }
 
 
-// Convert the paragraph to a string.
-// Used for building the table of contents
-docstring const Paragraph::asString(Buffer const & buffer, bool label) const
+docstring Paragraph::asString(int options) const
 {
-       return asString(buffer, 0, size(), label);
+       return asString(0, size(), options);
 }
 
 
-docstring const Paragraph::asString(Buffer const & buffer,
-                                pos_type beg, pos_type end, bool label) const
+docstring Paragraph::asString(pos_type beg, pos_type end, int options) const
 {
-
        odocstringstream os;
 
-       if (beg == 0 && label && !d->params_.labelString().empty())
+       if (beg == 0 
+               && options & AS_STR_LABEL
+               && !d->params_.labelString().empty())
                os << d->params_.labelString() << ' ';
 
        for (pos_type i = beg; i < end; ++i) {
                char_type const c = d->text_[i];
                if (isPrintable(c))
                        os.put(c);
-               else if (c == META_INSET)
-                       getInset(i)->textString(buffer, os);
+               else if (c == META_INSET && options & AS_STR_INSETS)
+                       getInset(i)->textString(os);
        }
 
        return os.str();
@@ -2339,22 +2403,22 @@ int Paragraph::id() const
 }
 
 
-LayoutPtr const & Paragraph::layout() const
+Layout const & Paragraph::layout() const
 {
-       return d->layout_;
+       return *d->layout_;
 }
 
 
-void Paragraph::setLayout(LayoutPtr const & layout)
+void Paragraph::setLayout(Layout const & layout)
 {
-       d->layout_ = layout;
+       d->layout_ = &layout;
 }
 
 
-void Paragraph::setEmptyOrDefaultLayout(TextClass const & tclass)
+void Paragraph::setPlainOrDefaultLayout(DocumentClass const & tclass)
 {
-       if (useEmptyLayout())
-               setLayout(tclass.emptyLayout());
+       if (usePlainLayout())
+               setLayout(tclass.plainLayout());
        else
                setLayout(tclass.defaultLayout());
 }
@@ -2402,7 +2466,7 @@ bool Paragraph::allowEmpty() const
 
 char_type Paragraph::transformChar(char_type c, pos_type pos) const
 {
-       if (!Encodings::is_arabic(c))
+       if (!Encodings::isArabicChar(c))
                return c;
 
        char_type prev_char = ' ';
@@ -2410,7 +2474,7 @@ char_type Paragraph::transformChar(char_type c, pos_type pos) const
 
        for (pos_type i = pos - 1; i >= 0; --i) {
                char_type const par_char = d->text_[i];
-               if (!Encodings::isComposeChar_arabic(par_char)) {
+               if (!Encodings::isArabicComposeChar(par_char)) {
                        prev_char = par_char;
                        break;
                }
@@ -2418,21 +2482,21 @@ char_type Paragraph::transformChar(char_type c, pos_type pos) const
 
        for (pos_type i = pos + 1, end = size(); i < end; ++i) {
                char_type const par_char = d->text_[i];
-               if (!Encodings::isComposeChar_arabic(par_char)) {
+               if (!Encodings::isArabicComposeChar(par_char)) {
                        next_char = par_char;
                        break;
                }
        }
 
-       if (Encodings::is_arabic(next_char)) {
-               if (Encodings::is_arabic(prev_char) &&
-                       !Encodings::is_arabic_special(prev_char))
+       if (Encodings::isArabicChar(next_char)) {
+               if (Encodings::isArabicChar(prev_char) &&
+                       !Encodings::isArabicSpecialChar(prev_char))
                        return Encodings::transformChar(c, Encodings::FORM_MEDIAL);
                else
                        return Encodings::transformChar(c, Encodings::FORM_INITIAL);
        } else {
-               if (Encodings::is_arabic(prev_char) &&
-                       !Encodings::is_arabic_special(prev_char))
+               if (Encodings::isArabicChar(prev_char) &&
+                       !Encodings::isArabicSpecialChar(prev_char))
                        return Encodings::transformChar(c, Encodings::FORM_FINAL);
                else
                        return Encodings::transformChar(c, Encodings::FORM_ISOLATED);
@@ -2440,11 +2504,11 @@ char_type Paragraph::transformChar(char_type c, pos_type pos) const
 }
 
 
-int Paragraph::checkBiblio(bool track_changes)
+int Paragraph::checkBiblio(Buffer const & buffer)
 {
-       //FIXME From JS:
-       //This is getting more and more a mess. ...We really should clean
-       //up this bibitem issue for 1.6. See also bug 2743.
+       // FIXME From JS:
+       // This is getting more and more a mess. ...We really should clean
+       // up this bibitem issue for 1.6. See also bug 2743.
 
        // Add bibitem insets if necessary
        if (d->layout_->labeltype != LABEL_BIBLIO)
@@ -2455,6 +2519,8 @@ int Paragraph::checkBiblio(bool track_changes)
                && d->text_[0] == META_INSET
                && d->insetlist_.begin()->inset->lyxCode() == BIBITEM_CODE;
 
+       bool track_changes = buffer.params().trackChanges;
+
        docstring oldkey;
        docstring oldlabel;
 
@@ -2477,13 +2543,13 @@ int Paragraph::checkBiblio(bool track_changes)
                        break;
        }
 
-       //There was an InsetBibitem at the beginning, and we didn't
-       //have to erase one.
+       // There was an InsetBibitem at the beginning, and we didn't
+       // have to erase one.
        if (hasbibitem && erasedInsetPosition < 0)
                        return 0;
 
-       //There was an InsetBibitem at the beginning and we did have to
-       //erase one. So we give its properties to the beginning inset.
+       // There was an InsetBibitem at the beginning and we did have to
+       // erase one. So we give its properties to the beginning inset.
        if (hasbibitem) {
                InsetBibitem * inset =
                        static_cast<InsetBibitem *>(d->insetlist_.begin()->inset);
@@ -2493,9 +2559,10 @@ int Paragraph::checkBiblio(bool track_changes)
                return -erasedInsetPosition;
        }
 
-       //There was no inset at the beginning, so we need to create one with
-       //the key and label of the one we erased.
-       InsetBibitem * inset(new InsetBibitem(InsetCommandParams(BIBITEM_CODE)));
+       // There was no inset at the beginning, so we need to create one with
+       // the key and label of the one we erased.
+       InsetBibitem * inset = 
+               new InsetBibitem(buffer, InsetCommandParams(BIBITEM_CODE));
        // restore values of previously deleted item in this par.
        if (!oldkey.empty())
                inset->setParam("key", oldkey);
@@ -2537,6 +2604,12 @@ InsetList const & Paragraph::insetList() const
 }
 
 
+void Paragraph::setBuffer(Buffer & b)
+{
+       d->insetlist_.setBuffer(b);
+}
+
+
 Inset * Paragraph::releaseInset(pos_type pos)
 {
        Inset * inset = d->insetlist_.release(pos);
@@ -2699,7 +2772,7 @@ void Paragraph::deregisterWords()
 }
 
 
-void Paragraph::collectWords(Buffer const & buf, CursorSlice const & sl)
+void Paragraph::collectWords(CursorSlice const & sl)
 {
        // find new words
        bool inword = false;
@@ -2726,8 +2799,7 @@ void Paragraph::collectWords(Buffer const & buf, CursorSlice const & sl)
                from.text()->getWord(from, to, WHOLE_WORD);
                if (to.pos() - from.pos() < 6)
                        continue;
-               docstring word
-               = asString(buf, from.pos(), to.pos(), false);
+               docstring word = asString(from.pos(), to.pos(), false);
                d->words_.insert(word);
                //lyxerr << word << " ";
        }
@@ -2744,11 +2816,11 @@ void Paragraph::registerWords()
 }
 
 
-void Paragraph::updateWords(Buffer const & buf, CursorSlice const & sl)
+void Paragraph::updateWords(CursorSlice const & sl)
 {
-       BOOST_ASSERT(&sl.paragraph() == this);
+       LASSERT(&sl.paragraph() == this, /**/);
        deregisterWords();
-       collectWords(buf, sl);
+       collectWords(sl);
        registerWords();
 }