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[lyx.git] / src / Paragraph.cpp
index a53c57be4e19f5183c63829f83ee3662e4b84eb8..104c31dac9974c1f1c4854ec4fc78cbce81d6432 100644 (file)
 
 #include "Buffer.h"
 #include "BufferParams.h"
+#include "Changes.h"
 #include "Counters.h"
 #include "Encoding.h"
 #include "debug.h"
 #include "gettext.h"
+#include "InsetList.h"
 #include "Language.h"
 #include "LaTeXFeatures.h"
 #include "Color.h"
@@ -229,6 +231,9 @@ public:
 
        /// Who owns us?
        Paragraph * owner_;
+
+       ///
+       InsetList insetlist_;
 };
 
 
@@ -277,6 +282,8 @@ Paragraph::Pimpl::Pimpl(Pimpl const & p, Paragraph * owner)
        inset_owner = p.inset_owner;
        fontlist = p.fontlist;
        id_ = paragraph_id++;
+       insetlist_ = p.insetlist_;
+       insetlist_.clone();
 }
 
 
@@ -461,7 +468,7 @@ void Paragraph::Pimpl::insertChar(pos_type pos, value_type c, Change const & cha
        }
 
        // Update the insets
-       owner_->insetlist.increasePosAfterPos(pos);
+       insetlist_.increasePosAfterPos(pos);
 }
 
 
@@ -474,8 +481,8 @@ void Paragraph::Pimpl::insertInset(pos_type pos, Inset * inset,
        insertChar(pos, META_INSET, change);
        BOOST_ASSERT(owner_->text_[pos] == META_INSET);
 
-       // Add a new entry in the insetlist.
-       owner_->insetlist.insert(inset, pos);
+       // Add a new entry in the insetlist_.
+       insetlist_.insert(inset, pos);
 }
 
 
@@ -514,7 +521,7 @@ bool Paragraph::Pimpl::eraseChar(pos_type pos, bool trackChanges)
 
        // if it is an inset, delete the inset entry
        if (owner_->text_[pos] == Paragraph::META_INSET) {
-               owner_->insetlist.erase(pos);
+               insetlist_.erase(pos);
        }
 
        owner_->text_.erase(owner_->text_.begin() + pos);
@@ -549,8 +556,8 @@ bool Paragraph::Pimpl::eraseChar(pos_type pos, bool trackChanges)
        for (; it != fend; ++it)
                it->pos(it->pos() - 1);
 
-       // Update the insetlist
-       owner_->insetlist.decreasePosAfterPos(pos);
+       // Update the insetlist_
+       insetlist_.decreasePosAfterPos(pos);
 
        return true;
 }
@@ -597,7 +604,7 @@ bool Paragraph::Pimpl::simpleTeXBlanks(Encoding const & encoding,
        if (style.pass_thru)
                return false;
 
-       if (i < size() - 1) {
+       if (i + 1 < size()) {
                char_type next = getChar(i + 1);
                if (Encodings::isCombiningChar(next)) {
                        // This space has an accent, so we must always output it.
@@ -611,7 +618,7 @@ bool Paragraph::Pimpl::simpleTeXBlanks(Encoding const & encoding,
            && column > lyxrc.plaintext_linelen
            && i
            && getChar(i - 1) != ' '
-           && (i < size() - 1)
+           && (i + 1 < size())
            // same in FreeSpacing mode
            && !owner_->isFreeSpacing()
            // In typewriter mode, we want to avoid
@@ -641,15 +648,19 @@ int Paragraph::Pimpl::knownLangChars(odocstream & os,
                                     Encoding const & encoding,
                                     pos_type & i)
 {
-       // The latex command is "\textLANG{<spec>}" and we have to retain
-       // "\textLANG{<spec>" for the first char but only "<spec>" for all
-       // subsequent chars (this also works when we are passed untranslated
-       // unicode).
+       // When the character is marked by the proper language, we simply
+       // get its code point in some encoding, otherwise we get the
+       // translation specified in the unicodesymbols file, which is
+       // something like "\textLANG{<spec>}". So, we have to retain
+       // "\textLANG{<spec>" for the first char but only "<spec>" for
+       // all subsequent chars.
        docstring const latex1 = rtrim(encoding.latexChar(c), "}");
        int length = latex1.length();
        os << latex1;
-       while (i < size() - 1) {
+       while (i + 1 < size()) {
                char_type next = getChar(i + 1);
+               // Stop here if next character belongs to another
+               // language or there is a change tracking status.
                if (!Encodings::isKnownLangChar(next, preamble) ||
                    runningChange != lookupChange(i + 1))
                        break;
@@ -665,6 +676,7 @@ int Paragraph::Pimpl::knownLangChars(odocstream & os,
                        if (cit->pos() >= i + 1)
                                break;
                }
+               // Stop here if there is a font attribute change.
                if (found && cit != end && prev_font != cit->font())
                        break;
                docstring const latex = rtrim(encoding.latexChar(next), "}");
@@ -679,8 +691,8 @@ int Paragraph::Pimpl::knownLangChars(odocstream & os,
                }
                ++i;
        }
-       // When the proper language is set, we are passed the straight unicode,
-       // so we should not try to close the \textLANG command.
+       // When the proper language is set, we are simply passed a code
+       // point, so we should not try to close the \textLANG command.
        if (prefixIs(latex1, from_ascii("\\" + preamble))) {
                os << '}';
                ++length;
@@ -757,7 +769,7 @@ void Paragraph::Pimpl::simpleTeXSpecialChars(Buffer const & buf,
                        break;
 
                // FIXME: move this to InsetNewline::latex
-               if (inset->lyxCode() == Inset::NEWLINE_CODE) {
+               if (inset->lyxCode() == NEWLINE_CODE) {
                        // newlines are handled differently here than
                        // the default in simpleTeXSpecialChars().
                        if (!style.newline_allowed) {
@@ -801,9 +813,9 @@ void Paragraph::Pimpl::simpleTeXSpecialChars(Buffer const & buf,
                bool close = false;
                odocstream::pos_type const len = os.tellp();
 
-               if ((inset->lyxCode() == Inset::GRAPHICS_CODE
-                    || inset->lyxCode() == Inset::MATH_CODE
-                    || inset->lyxCode() == Inset::URL_CODE)
+               if ((inset->lyxCode() == GRAPHICS_CODE
+                    || inset->lyxCode() == MATH_CODE
+                    || inset->lyxCode() == HYPERLINK_CODE)
                    && running_font.isRightToLeft()) {
                        if (running_font.language()->lang() == "farsi")
                                os << "\\beginL{}";
@@ -1006,7 +1018,7 @@ void Paragraph::Pimpl::simpleTeXSpecialChars(Buffer const & buf,
 
                        if (pnr == phrases_nr && c != '\0') {
                                Encoding const & encoding = *(runparams.encoding);
-                               if (i < size() - 1) {
+                               if (i + 1 < size()) {
                                        char_type next = getChar(i + 1);
                                        if (Encodings::isCombiningChar(next)) {
                                                column += latexSurrogatePair(os, c, next, encoding) - 1;
@@ -1099,13 +1111,13 @@ void Paragraph::Pimpl::validate(LaTeXFeatures & features,
                features.require("ParagraphLeftIndent");
 
        // then the insets
-       InsetList::const_iterator icit = owner_->insetlist.begin();
-       InsetList::const_iterator iend = owner_->insetlist.end();
+       InsetList::const_iterator icit = insetlist_.begin();
+       InsetList::const_iterator iend = insetlist_.end();
        for (; icit != iend; ++icit) {
                if (icit->inset) {
                        icit->inset->validate(features);
                        if (layout.needprotect &&
-                           icit->inset->lyxCode() == Inset::FOOT_CODE)
+                           icit->inset->lyxCode() == FOOT_CODE)
                                features.require("NeedLyXFootnoteCode");
                }
        }
@@ -1144,16 +1156,11 @@ Paragraph::Paragraph()
 
 
 Paragraph::Paragraph(Paragraph const & par)
-       : itemdepth(par.itemdepth), insetlist(par.insetlist),
+       : itemdepth(par.itemdepth),
        layout_(par.layout_),
        text_(par.text_), begin_of_body_(par.begin_of_body_),
        pimpl_(new Paragraph::Pimpl(*par.pimpl_, this))
 {
-       //lyxerr << "Paragraph::Paragraph(Paragraph const&)" << endl;
-       InsetList::iterator it = insetlist.begin();
-       InsetList::iterator end = insetlist.end();
-       for (; it != end; ++it)
-               it->inset = it->inset->clone();
 }
 
 
@@ -1162,13 +1169,6 @@ Paragraph & Paragraph::operator=(Paragraph const & par)
        // needed as we will destroy the pimpl_ before copying it
        if (&par != this) {
                itemdepth = par.itemdepth;
-
-               insetlist = par.insetlist;
-               InsetList::iterator it = insetlist.begin();
-               InsetList::iterator end = insetlist.end();
-               for (; it != end; ++it)
-                       it->inset = it->inset->clone();
-
                layout_ = par.layout();
                text_ = par.text_;
                begin_of_body_ = par.begin_of_body_;
@@ -1358,7 +1358,7 @@ void Paragraph::insertInset(pos_type pos, Inset * inset,
 }
 
 
-bool Paragraph::insetAllowed(Inset_code code)
+bool Paragraph::insetAllowed(InsetCode code)
 {
        return !pimpl_->inset_owner || pimpl_->inset_owner->insetAllowed(code);
 }
@@ -1799,8 +1799,8 @@ void Paragraph::setBeginOfBody()
 int Paragraph::getPositionOfInset(Inset const * inset) const
 {
        // Find the entry.
-       InsetList::const_iterator it = insetlist.begin();
-       InsetList::const_iterator end = insetlist.end();
+       InsetList::const_iterator it = pimpl_->insetlist_.begin();
+       InsetList::const_iterator end = pimpl_->insetlist_.end();
        for (; it != end; ++it)
                if (it->inset == inset)
                        return it->pos;
@@ -1810,9 +1810,9 @@ int Paragraph::getPositionOfInset(Inset const * inset) const
 
 InsetBibitem * Paragraph::bibitem() const
 {
-       if (!insetlist.empty()) {
-               Inset * inset = insetlist.begin()->inset;
-               if (inset->lyxCode() == Inset::BIBITEM_CODE)
+       if (!pimpl_->insetlist_.empty()) {
+               Inset * inset = pimpl_->insetlist_.begin()->inset;
+               if (inset->lyxCode() == BIBITEM_CODE)
                        return static_cast<InsetBibitem *>(inset);
        }
        return 0;
@@ -1830,9 +1830,9 @@ namespace {
 // paragraphs inside floats need different alignment tags to avoid
 // unwanted space
 
-bool noTrivlistCentering(Inset::Code code)
+bool noTrivlistCentering(InsetCode code)
 {
-       return code == Inset::FLOAT_CODE || code == Inset::WRAP_CODE;
+       return code == FLOAT_CODE || code == WRAP_CODE;
 }
 
 
@@ -1849,7 +1849,7 @@ string correction(string const & orig)
 
 
 string const corrected_env(string const & suffix, string const & env,
-       Inset::Code code)
+       InsetCode code)
 {
        string output = suffix + "{";
        if (noTrivlistCentering(code))
@@ -2302,14 +2302,14 @@ bool Paragraph::emptyTag() const
        for (pos_type i = 0; i < size(); ++i) {
                if (isInset(i)) {
                        Inset const * inset = getInset(i);
-                       Inset::Code lyx_code = inset->lyxCode();
-                       if (lyx_code != Inset::TOC_CODE &&
-                           lyx_code != Inset::INCLUDE_CODE &&
-                           lyx_code != Inset::GRAPHICS_CODE &&
-                           lyx_code != Inset::ERT_CODE &&
-                           lyx_code != Inset::LISTINGS_CODE &&
-                           lyx_code != Inset::FLOAT_CODE &&
-                           lyx_code != Inset::TABULAR_CODE) {
+                       InsetCode lyx_code = inset->lyxCode();
+                       if (lyx_code != TOC_CODE &&
+                           lyx_code != INCLUDE_CODE &&
+                           lyx_code != GRAPHICS_CODE &&
+                           lyx_code != ERT_CODE &&
+                           lyx_code != LISTINGS_CODE &&
+                           lyx_code != FLOAT_CODE &&
+                           lyx_code != TABULAR_CODE) {
                                return false;
                        }
                } else {
@@ -2327,8 +2327,8 @@ string Paragraph::getID(Buffer const & buf, OutputParams const & runparams) cons
        for (pos_type i = 0; i < size(); ++i) {
                if (isInset(i)) {
                        Inset const * inset = getInset(i);
-                       Inset::Code lyx_code = inset->lyxCode();
-                       if (lyx_code == Inset::LABEL_CODE) {
+                       InsetCode lyx_code = inset->lyxCode();
+                       if (lyx_code == LABEL_CODE) {
                                string const id = static_cast<InsetCommand const *>(inset)->getContents();
                                return "id='" + to_utf8(sgml::cleanID(buf, runparams, from_utf8(id))) + "'";
                        }
@@ -2429,10 +2429,17 @@ void Paragraph::simpleDocBookOnePar(Buffer const & buf,
 }
 
 
+bool Paragraph::isHfill(pos_type pos) const
+{
+       return isInset(pos)
+               && getInset(pos)->lyxCode() == HFILL_CODE;
+}
+
+
 bool Paragraph::isNewline(pos_type pos) const
 {
        return isInset(pos)
-               && getInset(pos)->lyxCode() == Inset::NEWLINE_CODE;
+               && getInset(pos)->lyxCode() == NEWLINE_CODE;
 }
 
 
@@ -2471,8 +2478,8 @@ bool Paragraph::isRTL(BufferParams const & bparams) const
 {
        return lyxrc.rtl_support
                && getParLanguage(bparams)->rightToLeft()
-               && ownerCode() != Inset::ERT_CODE
-               && ownerCode() != Inset::LISTINGS_CODE;
+               && ownerCode() != ERT_CODE
+               && ownerCode() != LISTINGS_CODE;
 }
 
 
@@ -2607,10 +2614,10 @@ Inset * Paragraph::inInset() const
 }
 
 
-Inset::Code Paragraph::ownerCode() const
+InsetCode Paragraph::ownerCode() const
 {
        return pimpl_->inset_owner
-               ? pimpl_->inset_owner->lyxCode() : Inset::NO_CODE;
+               ? pimpl_->inset_owner->lyxCode() : NO_CODE;
 }
 
 
@@ -2633,7 +2640,7 @@ bool Paragraph::isFreeSpacing() const
 
        // for now we just need this, later should we need this in some
        // other way we can always add a function to Inset too.
-       return ownerCode() == Inset::ERT_CODE || ownerCode() == Inset::LISTINGS_CODE;
+       return ownerCode() == ERT_CODE || ownerCode() == LISTINGS_CODE;
 }
 
 
@@ -2641,7 +2648,7 @@ bool Paragraph::allowEmpty() const
 {
        if (layout()->keepempty)
                return true;
-       return ownerCode() == Inset::ERT_CODE || ownerCode() == Inset::LISTINGS_CODE;
+       return ownerCode() == ERT_CODE || ownerCode() == LISTINGS_CODE;
 }
 
 
@@ -2695,10 +2702,10 @@ int Paragraph::checkBiblio(bool track_changes)
        if (layout()->labeltype != LABEL_BIBLIO)
                return 0;
 
-       bool hasbibitem = !insetlist.empty()
+       bool hasbibitem = !pimpl_->insetlist_.empty()
                // Insist on it being in pos 0
                && getChar(0) == Paragraph::META_INSET
-               && insetlist.begin()->inset->lyxCode() == Inset::BIBITEM_CODE;
+               && pimpl_->insetlist_.begin()->inset->lyxCode() == BIBITEM_CODE;
 
        docstring oldkey;
        docstring oldlabel;
@@ -2709,10 +2716,10 @@ int Paragraph::checkBiblio(bool track_changes)
        // we're assuming there's only one of these, which there
        // should be.
        int erasedInsetPosition = -1;
-       InsetList::iterator it = insetlist.begin();
-       InsetList::iterator end = insetlist.end();
+       InsetList::iterator it = pimpl_->insetlist_.begin();
+       InsetList::iterator end = pimpl_->insetlist_.end();
        for (; it != end; ++it)
-               if (it->inset->lyxCode() == Inset::BIBITEM_CODE
+               if (it->inset->lyxCode() == BIBITEM_CODE
                    && it->pos > 0) {
                        InsetBibitem * olditem = static_cast<InsetBibitem *>(it->inset);
                        oldkey = olditem->getParam("key");
@@ -2731,7 +2738,7 @@ int Paragraph::checkBiblio(bool track_changes)
        //erase one. So we give its properties to the beginning inset.
        if (hasbibitem) {
                InsetBibitem * inset =
-                       static_cast<InsetBibitem *>(insetlist.begin()->inset);
+                       static_cast<InsetBibitem *>(pimpl_->insetlist_.begin()->inset);
                if (!oldkey.empty())
                        inset->setParam("key", oldkey);
                inset->setParam("label", oldlabel);
@@ -2757,4 +2764,49 @@ void Paragraph::checkAuthors(AuthorList const & authorList)
        pimpl_->changes_.checkAuthors(authorList);
 }
 
+
+bool Paragraph::isUnchanged(pos_type pos) const
+{
+       return lookupChange(pos).type == Change::UNCHANGED;
+}
+
+
+bool Paragraph::isInserted(pos_type pos) const
+{
+       return lookupChange(pos).type == Change::INSERTED;
+}
+
+
+bool Paragraph::isDeleted(pos_type pos) const
+{
+       return lookupChange(pos).type == Change::DELETED;
+}
+
+
+InsetList const & Paragraph::insetList() const
+{
+       return pimpl_->insetlist_;
+}
+
+
+Inset * Paragraph::releaseInset(pos_type pos)
+{
+       Inset * inset = pimpl_->insetlist_.release(pos);
+       /// does not honour change tracking!
+       eraseChar(pos, false);
+       return inset;
+}
+
+
+Inset * Paragraph::getInset(pos_type pos)
+{
+       return pimpl_->insetlist_.get(pos);
+}
+
+
+Inset const * Paragraph::getInset(pos_type pos) const
+{
+       return pimpl_->insetlist_.get(pos);
+}
+
 } // namespace lyx