#include <config.h>
#include "paragraph.h"
-#include "paragraph_pimpl.h"
#include "buffer.h"
#include "bufferparams.h"
#include "gettext.h"
#include "language.h"
#include "LaTeXFeatures.h"
+#include "LColor.h"
+#include "lyxlength.h"
#include "lyxfont.h"
#include "lyxrc.h"
#include "lyxrow.h"
#include "messages.h"
#include "outputparams.h"
+#include "output_latex.h"
#include "paragraph_funcs.h"
-
+#include "ParagraphParameters.h"
#include "rowpainter.h"
-
#include "sgml.h"
#include "texrow.h"
#include "vspace.h"
#include "support/unicode.h"
#include <boost/bind.hpp>
+#include <boost/next_prior.hpp>
#include <algorithm>
-#include <list>
-#include <stack>
#include <sstream>
using std::distance;
using std::endl;
-using std::list;
-using std::stack;
using std::string;
using std::ostream;
-using std::ostringstream;
namespace lyx {
using support::contains;
using support::rsplit;
-using support::subst;
+
+
+/////////////////////////////////////////////////////////////////////
+//
+// Paragraph::Pimpl
+//
+/////////////////////////////////////////////////////////////////////
+
+class Encoding;
+class LyXLayout;
+
+
+class Paragraph::Pimpl {
+public:
+ ///
+ Pimpl(Paragraph * owner);
+ /// "Copy constructor"
+ Pimpl(Pimpl const &, Paragraph * owner);
+
+ //
+ // Change tracking
+ //
+ /// look up change at given pos
+ Change const & lookupChange(pos_type pos) const;
+ /// is there a change within the given range ?
+ bool isChanged(pos_type start, pos_type end) const;
+ /// will the paragraph be physically merged with the next
+ /// one if the imaginary end-of-par character is logically deleted?
+ bool isMergedOnEndOfParDeletion(bool trackChanges) const;
+ /// set change for the entire par
+ void setChange(Change const & change);
+ /// set change at given pos
+ void setChange(pos_type pos, Change const & change);
+ /// accept changes within the given range
+ void acceptChanges(BufferParams const & bparams, pos_type start, pos_type end);
+ /// reject changes within the given range
+ void rejectChanges(BufferParams const & bparams, pos_type start, pos_type end);
+
+ ///
+ value_type getChar(pos_type pos) const;
+ ///
+ void insertChar(pos_type pos, value_type c, Change const & change);
+ ///
+ void insertInset(pos_type pos, InsetBase * inset, Change const & change);
+ /// (logically) erase the char at pos; return true if it was actually erased
+ bool eraseChar(pos_type pos, bool trackChanges);
+ /// (logically) erase the given range; return the number of chars actually erased
+ int eraseChars(pos_type start, pos_type end, bool trackChanges);
+ ///
+ InsetBase * inset_owner;
+
+ /** A font entry covers a range of positions. Notice that the
+ entries in the list are inserted in random order.
+ I don't think it's worth the effort to implement a more effective
+ datastructure, because the number of different fonts in a paragraph
+ is limited. (Asger)
+ Nevertheless, I decided to store fontlist using a sorted vector:
+ fontlist = { {pos_1,font_1} , {pos_2,font_2} , ... } where
+ pos_1 < pos_2 < ..., font_{i-1} != font_i for all i,
+ and font_i covers the chars in positions pos_{i-1}+1,...,pos_i
+ (font_1 covers the chars 0,...,pos_1) (Dekel)
+ */
+ class FontTable {
+ public:
+ ///
+ FontTable(pos_type p, LyXFont const & f)
+ : pos_(p), font_(f)
+ {}
+ ///
+ pos_type pos() const { return pos_; }
+ ///
+ void pos(pos_type p) { pos_ = p; }
+ ///
+ LyXFont const & font() const { return font_; }
+ ///
+ void font(LyXFont const & f) { font_ = f;}
+ private:
+ /// End position of paragraph this font attribute covers
+ pos_type pos_;
+ /** Font. Interpretation of the font values:
+ If a value is LyXFont::INHERIT_*, it means that the font
+ attribute is inherited from either the layout of this
+ paragraph or, in the case of nested paragraphs, from the
+ layout in the environment one level up until completely
+ resolved.
+ The values LyXFont::IGNORE_* and LyXFont::TOGGLE are NOT
+ allowed in these font tables.
+ */
+ LyXFont font_;
+ };
+ ///
+ friend class matchFT;
+ ///
+ class matchFT {
+ public:
+ /// used by lower_bound and upper_bound
+ int operator()(FontTable const & a, FontTable const & b) const {
+ return a.pos() < b.pos();
+ }
+ };
+
+ ///
+ typedef std::vector<FontTable> FontList;
+ ///
+ FontList fontlist;
+
+ /// Output the surrogate pair formed by \p c and \p next to \p os.
+ /// \return the number of characters written.
+ int latexSurrogatePair(odocstream & os, value_type c, value_type next,
+ Encoding const &);
+ /// Output a space in appropriate formatting (or a surrogate pair
+ /// if the next character is a combining character).
+ /// \return whether a surrogate pair was output.
+ bool simpleTeXBlanks(Encoding const &,
+ odocstream &, TexRow & texrow,
+ pos_type & i,
+ unsigned int & column,
+ LyXFont const & font,
+ LyXLayout const & style);
+ ///
+ void simpleTeXSpecialChars(Buffer const &, BufferParams const &,
+ odocstream &,
+ TexRow & texrow, OutputParams const &,
+ LyXFont & running_font,
+ LyXFont & basefont,
+ LyXFont const & outerfont,
+ bool & open_font,
+ Change::Type & running_change,
+ LyXLayout const & style,
+ pos_type & i,
+ unsigned int & column, value_type const c);
+
+ ///
+ void validate(LaTeXFeatures & features,
+ LyXLayout const & layout) const;
+
+ ///
+ unsigned int id_;
+ ///
+ static unsigned int paragraph_id;
+ ///
+ ParagraphParameters params;
+
+private:
+ ///
+ pos_type size() const { return owner_->size(); }
+ /// match a string against a particular point in the paragraph
+ bool isTextAt(std::string const & str, pos_type pos) const;
+
+ /// for recording and looking up changes
+ Changes changes_;
+
+ /// Who owns us?
+ Paragraph * owner_;
+};
+
+
+
+
+using std::endl;
+using std::upper_bound;
+using std::lower_bound;
+using std::string;
+
+
+// Initialization of the counter for the paragraph id's,
+unsigned int Paragraph::Pimpl::paragraph_id = 0;
+
+namespace {
+
+struct special_phrase {
+ string phrase;
+ docstring macro;
+ bool builtin;
+};
+
+special_phrase const special_phrases[] = {
+ { "LyX", from_ascii("\\LyX{}"), false },
+ { "TeX", from_ascii("\\TeX{}"), true },
+ { "LaTeX2e", from_ascii("\\LaTeXe{}"), true },
+ { "LaTeX", from_ascii("\\LaTeX{}"), true },
+};
+
+size_t const phrases_nr = sizeof(special_phrases)/sizeof(special_phrase);
+
+} // namespace anon
+
+
+Paragraph::Pimpl::Pimpl(Paragraph * owner)
+ : owner_(owner)
+{
+ inset_owner = 0;
+ id_ = paragraph_id++;
+}
+
+
+Paragraph::Pimpl::Pimpl(Pimpl const & p, Paragraph * owner)
+ : params(p.params), changes_(p.changes_), owner_(owner)
+{
+ inset_owner = p.inset_owner;
+ fontlist = p.fontlist;
+ id_ = paragraph_id++;
+}
+
+
+bool Paragraph::Pimpl::isChanged(pos_type start, pos_type end) const
+{
+ BOOST_ASSERT(start >= 0 && start <= size());
+ BOOST_ASSERT(end > start && end <= size() + 1);
+
+ return changes_.isChanged(start, end);
+}
+
+
+bool Paragraph::Pimpl::isMergedOnEndOfParDeletion(bool trackChanges) const {
+ // keep the logic here in sync with the logic of eraseChars()
+
+ if (!trackChanges) {
+ return true;
+ }
+
+ Change change = changes_.lookup(size());
+
+ return change.type == Change::INSERTED && change.author == 0;
+}
+
+
+void Paragraph::Pimpl::setChange(Change const & change)
+{
+ // beware of the imaginary end-of-par character!
+ changes_.set(change, 0, size() + 1);
+
+ /*
+ * Propagate the change recursively - but not in case of DELETED!
+ *
+ * Imagine that your co-author makes changes in an existing inset. He
+ * sends your document to you and you come to the conclusion that the
+ * inset should go completely. If you erase it, LyX must not delete all
+ * text within the inset. Otherwise, the change tracked insertions of
+ * your co-author get lost and there is no way to restore them later.
+ *
+ * Conclusion: An inset's content should remain untouched if you delete it
+ */
+
+ if (change.type != Change::DELETED) {
+ for (pos_type pos = 0; pos < size(); ++pos) {
+ if (owner_->isInset(pos)) {
+ owner_->getInset(pos)->setChange(change);
+ }
+ }
+ }
+}
+
+
+void Paragraph::Pimpl::setChange(pos_type pos, Change const & change)
+{
+ BOOST_ASSERT(pos >= 0 && pos <= size());
+
+ changes_.set(change, pos);
+
+ // see comment in setChange(Change const &) above
+
+ if (change.type != Change::DELETED &&
+ pos < size() && owner_->isInset(pos)) {
+ owner_->getInset(pos)->setChange(change);
+ }
+}
+
+
+Change const & Paragraph::Pimpl::lookupChange(pos_type pos) const
+{
+ BOOST_ASSERT(pos >= 0 && pos <= size());
+
+ return changes_.lookup(pos);
+}
+
+
+void Paragraph::Pimpl::acceptChanges(BufferParams const & bparams, pos_type start, pos_type end)
+{
+ BOOST_ASSERT(start >= 0 && start <= size());
+ BOOST_ASSERT(end > start && end <= size() + 1);
+
+ for (pos_type pos = start; pos < end; ++pos) {
+ switch (lookupChange(pos).type) {
+ case Change::UNCHANGED:
+ // accept changes in nested inset
+ if (pos < size() && owner_->isInset(pos)) {
+ owner_->getInset(pos)->acceptChanges(bparams);
+ }
+
+ break;
+
+ case Change::INSERTED:
+ changes_.set(Change(Change::UNCHANGED), pos);
+ // also accept changes in nested inset
+ if (pos < size() && owner_->isInset(pos)) {
+ owner_->getInset(pos)->acceptChanges(bparams);
+ }
+ break;
+
+ case Change::DELETED:
+ // Suppress access to non-existent
+ // "end-of-paragraph char"
+ if (pos < size()) {
+ eraseChar(pos, false);
+ --end;
+ --pos;
+ }
+ break;
+ }
+
+ }
+}
+
+
+void Paragraph::Pimpl::rejectChanges(BufferParams const & bparams, pos_type start, pos_type end)
+{
+ BOOST_ASSERT(start >= 0 && start <= size());
+ BOOST_ASSERT(end > start && end <= size() + 1);
+
+ for (pos_type pos = start; pos < end; ++pos) {
+ switch (lookupChange(pos).type) {
+ case Change::UNCHANGED:
+ // reject changes in nested inset
+ if (pos < size() && owner_->isInset(pos)) {
+ owner_->getInset(pos)->rejectChanges(bparams);
+ }
+ break;
+
+ case Change::INSERTED:
+ // Suppress access to non-existent
+ // "end-of-paragraph char"
+ if (pos < size()) {
+ eraseChar(pos, false);
+ --end;
+ --pos;
+ }
+ break;
+
+ case Change::DELETED:
+ changes_.set(Change(Change::UNCHANGED), pos);
+
+ // Do NOT reject changes within a deleted inset!
+ // There may be insertions of a co-author inside of it!
+
+ break;
+ }
+ }
+}
+
+
+Paragraph::value_type Paragraph::Pimpl::getChar(pos_type pos) const
+{
+ BOOST_ASSERT(pos >= 0 && pos <= size());
+
+ return owner_->getChar(pos);
+}
+
+
+void Paragraph::Pimpl::insertChar(pos_type pos, value_type c, Change const & change)
+{
+ BOOST_ASSERT(pos >= 0 && pos <= size());
+
+ // track change
+ changes_.insert(change, pos);
+
+ // This is actually very common when parsing buffers (and
+ // maybe inserting ascii text)
+ if (pos == size()) {
+ // when appending characters, no need to update tables
+ owner_->text_.push_back(c);
+ return;
+ }
+
+ owner_->text_.insert(owner_->text_.begin() + pos, c);
+
+ // Update the font table.
+ FontTable search_font(pos, LyXFont());
+ for (FontList::iterator it
+ = lower_bound(fontlist.begin(), fontlist.end(), search_font, matchFT());
+ it != fontlist.end(); ++it)
+ {
+ it->pos(it->pos() + 1);
+ }
+
+ // Update the insets
+ owner_->insetlist.increasePosAfterPos(pos);
+}
+
+
+void Paragraph::Pimpl::insertInset(pos_type pos, InsetBase * inset,
+ Change const & change)
+{
+ BOOST_ASSERT(inset);
+ BOOST_ASSERT(pos >= 0 && pos <= size());
+
+ insertChar(pos, META_INSET, change);
+ BOOST_ASSERT(owner_->text_[pos] == META_INSET);
+
+ // Add a new entry in the insetlist.
+ owner_->insetlist.insert(inset, pos);
+}
+
+
+bool Paragraph::Pimpl::eraseChar(pos_type pos, bool trackChanges)
+{
+ BOOST_ASSERT(pos >= 0 && pos <= size());
+
+ // keep the logic here in sync with the logic of isMergedOnEndOfParDeletion()
+
+ if (trackChanges) {
+ Change change = changes_.lookup(pos);
+
+ // set the character to DELETED if
+ // a) it was previously unchanged or
+ // b) it was inserted by a co-author
+
+ if (change.type == Change::UNCHANGED ||
+ (change.type == Change::INSERTED && change.author != 0)) {
+ setChange(pos, Change(Change::DELETED));
+ return false;
+ }
+
+ if (change.type == Change::DELETED)
+ return false;
+ }
+
+ // Don't physically access the imaginary end-of-paragraph character.
+ // eraseChar() can only mark it as DELETED. A physical deletion of
+ // end-of-par must be handled externally.
+ if (pos == size()) {
+ return false;
+ }
+
+ // track change
+ changes_.erase(pos);
+
+ // if it is an inset, delete the inset entry
+ if (owner_->text_[pos] == Paragraph::META_INSET) {
+ owner_->insetlist.erase(pos);
+ }
+
+ owner_->text_.erase(owner_->text_.begin() + pos);
+
+ // Erase entries in the tables.
+ FontTable search_font(pos, LyXFont());
+
+ FontList::iterator it =
+ lower_bound(fontlist.begin(),
+ fontlist.end(),
+ search_font, matchFT());
+ if (it != fontlist.end() && it->pos() == pos &&
+ (pos == 0 ||
+ (it != fontlist.begin()
+ && boost::prior(it)->pos() == pos - 1))) {
+ // If it is a multi-character font
+ // entry, we just make it smaller
+ // (see update below), otherwise we
+ // should delete it.
+ unsigned int const i = it - fontlist.begin();
+ fontlist.erase(fontlist.begin() + i);
+ it = fontlist.begin() + i;
+ if (i > 0 && i < fontlist.size() &&
+ fontlist[i - 1].font() == fontlist[i].font()) {
+ fontlist.erase(fontlist.begin() + i - 1);
+ it = fontlist.begin() + i - 1;
+ }
+ }
+
+ // Update all other entries
+ FontList::iterator fend = fontlist.end();
+ for (; it != fend; ++it)
+ it->pos(it->pos() - 1);
+
+ // Update the insetlist
+ owner_->insetlist.decreasePosAfterPos(pos);
+
+ return true;
+}
+
+
+int Paragraph::Pimpl::eraseChars(pos_type start, pos_type end, bool trackChanges)
+{
+ BOOST_ASSERT(start >= 0 && start <= size());
+ BOOST_ASSERT(end >= start && end <= size() + 1);
+
+ pos_type i = start;
+ for (pos_type count = end - start; count; --count) {
+ if (!eraseChar(i, trackChanges))
+ ++i;
+ }
+ return end - i;
+}
+
+
+int Paragraph::Pimpl::latexSurrogatePair(odocstream & os, value_type c,
+ value_type next, Encoding const & encoding)
+{
+ // Writing next here may circumvent a possible font change between
+ // c and next. Since next is only output if it forms a surrogate pair
+ // with c we can ignore this:
+ // A font change inside a surrogate pair does not make sense and is
+ // hopefully impossible to input.
+ // FIXME: change tracking
+ // Is this correct WRT change tracking?
+ docstring const latex1 = encoding.latexChar(next);
+ docstring const latex2 = encoding.latexChar(c);
+ os << latex1 << '{' << latex2 << '}';
+ return latex1.length() + latex2.length() + 2;
+}
+
+
+bool Paragraph::Pimpl::simpleTeXBlanks(Encoding const & encoding,
+ odocstream & os, TexRow & texrow,
+ pos_type & i,
+ unsigned int & column,
+ LyXFont const & font,
+ LyXLayout const & style)
+{
+ if (style.pass_thru)
+ return false;
+
+ if (i < size() - 1) {
+ char_type next = getChar(i + 1);
+ if (Encodings::isCombiningChar(next)) {
+ // This space has an accent, so we must always output it.
+ column += latexSurrogatePair(os, ' ', next, encoding) - 1;
+ ++i;
+ return true;
+ }
+ }
+
+ if (lyxrc.plaintext_linelen > 0
+ && column > lyxrc.plaintext_linelen
+ && i
+ && getChar(i - 1) != ' '
+ && (i < size() - 1)
+ // same in FreeSpacing mode
+ && !owner_->isFreeSpacing()
+ // In typewriter mode, we want to avoid
+ // ! . ? : at the end of a line
+ && !(font.family() == LyXFont::TYPEWRITER_FAMILY
+ && (getChar(i - 1) == '.'
+ || getChar(i - 1) == '?'
+ || getChar(i - 1) == ':'
+ || getChar(i - 1) == '!'))) {
+ os << '\n';
+ texrow.newline();
+ texrow.start(owner_->id(), i + 1);
+ column = 0;
+ } else if (style.free_spacing) {
+ os << '~';
+ } else {
+ os << ' ';
+ }
+ return false;
+}
+
+
+bool Paragraph::Pimpl::isTextAt(string const & str, pos_type pos) const
+{
+ pos_type const len = str.length();
+
+ // is the paragraph large enough?
+ if (pos + len > size())
+ return false;
+
+ // does the wanted text start at point?
+ for (string::size_type i = 0; i < str.length(); ++i) {
+ // Caution: direct comparison of characters works only
+ // because str is pure ASCII.
+ if (str[i] != owner_->text_[pos + i])
+ return false;
+ }
+
+ // is there a font change in middle of the word?
+ FontList::const_iterator cit = fontlist.begin();
+ FontList::const_iterator end = fontlist.end();
+ for (; cit != end; ++cit) {
+ if (cit->pos() >= pos)
+ break;
+ }
+ if (cit != end && pos + len - 1 > cit->pos())
+ return false;
+
+ return true;
+}
+
+
+void Paragraph::Pimpl::simpleTeXSpecialChars(Buffer const & buf,
+ BufferParams const & bparams,
+ odocstream & os,
+ TexRow & texrow,
+ OutputParams const & runparams,
+ LyXFont & running_font,
+ LyXFont & basefont,
+ LyXFont const & outerfont,
+ bool & open_font,
+ Change::Type & running_change,
+ LyXLayout const & style,
+ pos_type & i,
+ unsigned int & column,
+ value_type const c)
+{
+ if (style.pass_thru) {
+ if (c != Paragraph::META_INSET) {
+ if (c != '\0')
+ // FIXME UNICODE: This can fail if c cannot
+ // be encoded in the current encoding.
+ os.put(c);
+ } else
+ owner_->getInset(i)->plaintext(buf, os, runparams);
+ return;
+ }
+
+ // Two major modes: LaTeX or plain
+ // Handle here those cases common to both modes
+ // and then split to handle the two modes separately.
+ switch (c) {
+ case Paragraph::META_INSET: {
+ InsetBase * inset = owner_->getInset(i);
+
+ // FIXME: remove this check
+ if (!inset)
+ break;
+
+ // FIXME: move this to InsetNewline::latex
+ if (inset->lyxCode() == InsetBase::NEWLINE_CODE) {
+ // 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;
+ }
+
+ if (running_font.family() == LyXFont::TYPEWRITER_FAMILY)
+ os << '~';
+
+ basefont = owner_->getLayoutFont(bparams, outerfont);
+ running_font = basefont;
+
+ if (runparams.moving_arg)
+ os << "\\protect ";
+
+ os << "\\\\\n";
+ }
+ texrow.newline();
+ texrow.start(owner_->id(), i + 1);
+ column = 0;
+ break;
+ }
+
+ // output change tracking marks only if desired,
+ // if dvipost is installed,
+ // and with dvi/ps (other formats don't work)
+ LaTeXFeatures features(buf, bparams, runparams);
+ bool const output = bparams.outputChanges
+ && runparams.flavor == OutputParams::LATEX
+ && features.isAvailable("dvipost");
+
+ if (inset->canTrackChanges()) {
+ column += Changes::latexMarkChange(os, running_change,
+ Change::UNCHANGED, output);
+ running_change = Change::UNCHANGED;
+ }
+
+ bool close = false;
+ odocstream::pos_type const len = os.tellp();
+
+ if ((inset->lyxCode() == InsetBase::GRAPHICS_CODE
+ || inset->lyxCode() == InsetBase::MATH_CODE
+ || inset->lyxCode() == InsetBase::URL_CODE)
+ && running_font.isRightToLeft()) {
+ os << "\\L{";
+ close = true;
+ }
+
+#ifdef WITH_WARNINGS
+#warning Bug: we can have an empty font change here!
+// if there has just been a font change, we are going to close it
+// right now, which means stupid latex code like \textsf{}. AFAIK,
+// this does not harm dvi output. A minor bug, thus (JMarc)
+#endif
+ // some insets cannot be inside a font change command
+ if (open_font && inset->noFontChange()) {
+ column += running_font.latexWriteEndChanges(
+ os, basefont, basefont);
+ open_font = false;
+ basefont = owner_->getLayoutFont(bparams, outerfont);
+ running_font = basefont;
+ }
+
+ int tmp = inset->latex(buf, os, runparams);
+
+ if (close)
+ os << '}';
+
+ if (tmp) {
+ for (int j = 0; j < tmp; ++j) {
+ texrow.newline();
+ }
+ texrow.start(owner_->id(), i + 1);
+ column = 0;
+ } else {
+ column += os.tellp() - len;
+ }
+ }
+ break;
+
+ default:
+ // And now for the special cases within each mode
+
+ switch (c) {
+ case '\\':
+ os << "\\textbackslash{}";
+ column += 15;
+ break;
+
+ // The following characters could be written literally in latin1, but they
+ // would be wrongly converted on systems where char is signed, so we give
+ // the code points.
+ // This also makes us independant from the encoding of this source file.
+ case '|': case '<': case '>':
+ // In T1 encoding, these characters exist
+ if (lyxrc.fontenc == "T1") {
+ os.put(c);
+ //... but we should avoid ligatures
+ if ((c == '>' || c == '<')
+ && i <= size() - 2
+ && getChar(i + 1) == c) {
+ //os << "\\textcompwordmark{}";
+ //column += 19;
+ // Jean-Marc, have a look at
+ // this. IÂ think this works
+ // equally well:
+ os << "\\,{}";
+ // Lgb
+ column += 3;
+ }
+ break;
+ }
+ // Typewriter font also has them
+ if (running_font.family() == LyXFont::TYPEWRITER_FAMILY) {
+ os.put(c);
+ break;
+ }
+ // Otherwise, we use what LaTeX
+ // provides us.
+ switch (c) {
+ case '<':
+ os << "\\textless{}";
+ column += 10;
+ break;
+ case '>':
+ os << "\\textgreater{}";
+ column += 13;
+ break;
+ case '|':
+ os << "\\textbar{}";
+ column += 9;
+ break;
+ }
+ break;
+
+ case '-': // "--" in Typewriter mode -> "-{}-"
+ if (i <= size() - 2 &&
+ getChar(i + 1) == '-' &&
+ running_font.family() == LyXFont::TYPEWRITER_FAMILY) {
+ os << "-{}";
+ column += 2;
+ } else {
+ os << '-';
+ }
+ break;
+
+ case '\"':
+ os << "\\char`\\\"{}";
+ column += 9;
+ break;
+
+ case '$': case '&':
+ case '%': case '#': case '{':
+ case '}': case '_':
+ os << '\\';
+ os.put(c);
+ column += 1;
+ break;
+
+ case '~':
+ os << "\\textasciitilde{}";
+ column += 16;
+ break;
+
+ case '^':
+ os << "\\textasciicircum{}";
+ column += 17;
+ break;
+
+ case '*': case '[':
+ // avoid being mistaken for optional arguments
+ os << '{';
+ os.put(c);
+ os << '}';
+ column += 2;
+ break;
+
+ case ' ':
+ // Blanks are printed before font switching.
+ // Sure? I am not! (try nice-latex)
+ // I am sure it's correct. LyX might be smarter
+ // in the future, but for now, nothing wrong is
+ // written. (Asger)
+ break;
+
+ default:
+
+ // I assume this is hack treating typewriter as verbatim
+ // FIXME UNICODE: This can fail if c cannot be encoded
+ // in the current encoding.
+ if (running_font.family() == LyXFont::TYPEWRITER_FAMILY) {
+ if (c != '\0') {
+ os.put(c);
+ }
+ break;
+ }
+
+ // LyX, LaTeX etc.
+
+ // FIXME: if we have "LaTeX" with a font
+ // change in the middle (before the 'T', then
+ // the "TeX" part is still special cased.
+ // Really we should only operate this on
+ // "words" for some definition of word
+
+ size_t pnr = 0;
+
+ for (; pnr < phrases_nr; ++pnr) {
+ if (isTextAt(special_phrases[pnr].phrase, i)) {
+ os << special_phrases[pnr].macro;
+ i += special_phrases[pnr].phrase.length() - 1;
+ column += special_phrases[pnr].macro.length() - 1;
+ break;
+ }
+ }
+
+ if (pnr == phrases_nr && c != '\0') {
+ Encoding const & encoding = *(runparams.encoding);
+ if (i < size() - 1) {
+ char_type next = getChar(i + 1);
+ if (Encodings::isCombiningChar(next)) {
+ column += latexSurrogatePair(os, c, next, encoding) - 1;
+ ++i;
+ break;
+ }
+ }
+ docstring const latex = encoding.latexChar(c);
+ if (latex.length() > 1 &&
+ latex[latex.length() - 1] != '}') {
+ // Prevent eating of a following
+ // space or command corruption by
+ // following characters
+ column += latex.length() + 1;
+ os << latex << "{}";
+ } else {
+ column += latex.length() - 1;
+ os << latex;
+ }
+ }
+ break;
+ }
+ }
+}
+
+
+void Paragraph::Pimpl::validate(LaTeXFeatures & features,
+ LyXLayout const & layout) const
+{
+ BufferParams const & bparams = features.bufferParams();
+
+ // check the params.
+ if (!params.spacing().isDefault())
+ features.require("setspace");
+
+ // then the layouts
+ features.useLayout(layout.name());
+
+ // then the fonts
+ Language const * doc_language = bparams.language;
+
+ FontList::const_iterator fcit = fontlist.begin();
+ FontList::const_iterator fend = fontlist.end();
+ for (; fcit != fend; ++fcit) {
+ if (fcit->font().noun() == LyXFont::ON) {
+ LYXERR(Debug::LATEX) << "font.noun: "
+ << fcit->font().noun()
+ << endl;
+ features.require("noun");
+ LYXERR(Debug::LATEX) << "Noun enabled. Font: "
+ << to_utf8(fcit->font().stateText(0))
+ << endl;
+ }
+ switch (fcit->font().color()) {
+ case LColor::none:
+ case LColor::inherit:
+ case LColor::ignore:
+ // probably we should put here all interface colors used for
+ // font displaying! For now I just add this ones I know of (Jug)
+ case LColor::latex:
+ case LColor::note:
+ break;
+ default:
+ features.require("color");
+ LYXERR(Debug::LATEX) << "Color enabled. Font: "
+ << to_utf8(fcit->font().stateText(0))
+ << endl;
+ }
+
+ Language const * language = fcit->font().language();
+ if (language->babel() != doc_language->babel() &&
+ language != ignore_language &&
+ language != latex_language)
+ {
+ features.useLanguage(language);
+ LYXERR(Debug::LATEX) << "Found language "
+ << language->babel() << endl;
+ }
+ }
+
+ if (!params.leftIndent().zero())
+ features.require("ParagraphLeftIndent");
+
+ // then the insets
+ InsetList::const_iterator icit = owner_->insetlist.begin();
+ InsetList::const_iterator iend = owner_->insetlist.end();
+ for (; icit != iend; ++icit) {
+ if (icit->inset) {
+ icit->inset->validate(features);
+ if (layout.needprotect &&
+ icit->inset->lyxCode() == InsetBase::FOOT_CODE)
+ features.require("NeedLyXFootnoteCode");
+ }
+ }
+
+ // then the contents
+ for (pos_type i = 0; i < size() ; ++i) {
+ for (size_t pnr = 0; pnr < phrases_nr; ++pnr) {
+ if (!special_phrases[pnr].builtin
+ && isTextAt(special_phrases[pnr].phrase, i)) {
+ features.require(special_phrases[pnr].phrase);
+ break;
+ }
+ }
+ Encodings::validate(getChar(i), features);
+ }
+}
+
+
+} // namespace lyx
+
+
+/////////////////////////////////////////////////////////////////////
+//
+// Paragraph
+//
+/////////////////////////////////////////////////////////////////////
+
+namespace lyx {
Paragraph::Paragraph()
: begin_of_body_(0), pimpl_(new Paragraph::Pimpl(this))
odocstream & os, TexRow & texrow,
OutputParams const & runparams) const
{
- lyxerr[Debug::LATEX] << "SimpleTeXOnePar... " << this << endl;
+ LYXERR(Debug::LATEX) << "SimpleTeXOnePar... " << this << endl;
bool return_value = false;
// As long as we are in the label, this font is the base font of the
// label. Before the first body character it is set to the base font
// of the body.
- // This must be identical to basefont in TeXOnePar().
LyXFont basefont;
// output change tracking marks only if desired,
runparams.moving_arg);
}
- // Computed only once per paragraph since bparams.encoding() is expensive
- Encoding const & doc_encoding = bparams.encoding();
for (pos_type i = 0; i < size(); ++i) {
// First char in paragraph or after label?
if (i == body_pos) {
if (body_pos > 0) {
if (open_font) {
column += running_font.latexWriteEndChanges(
- os, basefont, basefont, bparams);
+ os, basefont, basefont);
open_font = false;
}
basefont = getLayoutFont(bparams, outerfont);
changeType, output);
runningChangeType = changeType;
- value_type c = getChar(i);
+ value_type const c = getChar(i);
// Fully instantiated font
- LyXFont font = getFont(bparams, i, outerfont);
+ LyXFont const font = getFont(bparams, i, outerfont);
LyXFont const last_font = running_font;
{
column += running_font.latexWriteEndChanges(
os, basefont,
- (i == body_pos-1) ? basefont : font,
- bparams);
+ (i == body_pos-1) ? basefont : font);
running_font = basefont;
open_font = false;
}
+ // Switch file encoding if necessary
+ int const count = switchEncoding(os, bparams,
+ runparams.moving_arg, *(runparams.encoding),
+ *(font.language()->encoding()));
+ if (count > 0) {
+ column += count;
+ runparams.encoding = font.language()->encoding();
+ }
+
// Do we need to change font?
if ((font != running_font ||
font.language() != running_font.language()) &&
i != body_pos - 1)
{
- column += font.latexWriteStartChanges(
- os, basefont, last_font, bparams);
+ column += font.latexWriteStartChanges(os, basefont,
+ last_font);
running_font = font;
open_font = true;
}
// simpleTeXSpecialChars ignores spaces if
// style->pass_thru is false.
if (i != body_pos - 1) {
- if (pimpl_->simpleTeXBlanks(bparams,
- doc_encoding, os, texrow,
+ if (pimpl_->simpleTeXBlanks(
+ *(runparams.encoding), os, texrow,
i, column, font, *style))
// A surrogate pair was output. We
// must not call simpleTeXSpecialChars
rp.free_spacing = style->free_spacing;
rp.local_font = &font;
rp.intitle = style->intitle;
- pimpl_->simpleTeXSpecialChars(buf, bparams, doc_encoding, os,
+ pimpl_->simpleTeXSpecialChars(buf, bparams, os,
texrow, rp, running_font,
basefont, outerfont, open_font,
runningChangeType, *style, i, column, c);
if (next_) {
running_font
.latexWriteEndChanges(os, basefont,
- next_->getFont(bparams, 0, outerfont),
- bparams);
+ next_->getFont(bparams, 0, outerfont));
} else {
running_font.latexWriteEndChanges(os, basefont,
- basefont, bparams);
+ basefont);
}
#else
#ifdef WITH_WARNINGS
//#warning there as we start another \selectlanguage with the next paragraph if
//#warning we are in need of this. This should be fixed sometime (Jug)
#endif
- running_font.latexWriteEndChanges(os, basefont, basefont,
- bparams);
+ running_font.latexWriteEndChanges(os, basefont, basefont);
#endif
}
runparams.moving_arg);
}
- lyxerr[Debug::LATEX] << "SimpleTeXOnePar...done " << this << endl;
+ LYXERR(Debug::LATEX) << "SimpleTeXOnePar...done " << this << endl;
return return_value;
}
char_type Paragraph::transformChar(char_type c, pos_type pos) const
{
if (!Encodings::is_arabic(c))
- if (lyxrc.font_norm_type == LyXRC::ISO_8859_6_8 && isDigit(c))
- // FIXME UNICODE What does this do?
- return c + (0xb0 - '0');
- else
- return c;
+ return c;
value_type const prev_char = pos > 0 ? getChar(pos - 1) : ' ';
value_type next_char = ' ';
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