#include "InsetMathChar.h"
#include "InsetMathColor.h"
+#include "InsetMathFrac.h"
+#include "InsetMathGrid.h"
+#include "InsetMathNest.h"
+#include "InsetMathScript.h"
#include "MathExtern.h"
#include "MathFactory.h"
#include "MathStream.h"
#include "Exporter.h"
#include "FuncRequest.h"
#include "FuncStatus.h"
+#include "Language.h"
#include "LaTeXFeatures.h"
#include "LyXRC.h"
#include "MacroTable.h"
+#include "MathMacro.h"
+#include "MathMacroTemplate.h"
#include "output_xhtml.h"
+#include "Paragraph.h"
+#include "ParIterator.h"
#include "sgml.h"
+#include "TextClass.h"
#include "TextPainter.h"
#include "TocBackend.h"
#include "insets/InsetRef.h"
#include "insets/RenderPreview.h"
+#include "graphics/GraphicsImage.h"
#include "graphics/PreviewImage.h"
#include "graphics/PreviewLoader.h"
+#include "frontends/alert.h"
#include "frontends/Painter.h"
+#include "support/convert.h"
#include "support/lassert.h"
#include "support/debug.h"
+#include "support/filetools.h"
#include "support/gettext.h"
#include "support/lstrings.h"
namespace lyx {
using cap::grabAndEraseSelection;
+using cap::reduceSelectionToOneCell;
namespace {
if (s == "gather") return hullGather;
if (s == "flalign") return hullFlAlign;
if (s == "regexp") return hullRegexp;
- lyxerr << "unknown hull type '" << to_utf8(s) << "'" << endl;
+ lyxerr << "unknown hull type '" << to_utf8(s) << "'" << endl;
return HullType(-1);
}
case hullGather: return from_ascii("gather");
case hullFlAlign: return from_ascii("flalign");
case hullRegexp: return from_ascii("regexp");
- default:
+ default:
lyxerr << "unknown hull type '" << type << "'" << endl;
return from_ascii("none");
}
static InsetLabel * dummy_pointer = 0;
InsetMathHull::InsetMathHull(Buffer * buf)
- : InsetMathGrid(buf, 1, 1), type_(hullNone), nonum_(1, true),
- label_(1, dummy_pointer), preview_(new RenderPreview(this))
+ : InsetMathGrid(buf, 1, 1), type_(hullNone), numbered_(1, NUMBER),
+ numbers_(1, empty_docstring()), label_(1, dummy_pointer),
+ preview_(new RenderPreview(this)), use_preview_(false)
{
//lyxerr << "sizeof InsetMath: " << sizeof(InsetMath) << endl;
//lyxerr << "sizeof MetricsInfo: " << sizeof(MetricsInfo) << endl;
InsetMathHull::InsetMathHull(Buffer * buf, HullType type)
- : InsetMathGrid(buf, getCols(type), 1), type_(type), nonum_(1, true),
- label_(1, dummy_pointer), preview_(new RenderPreview(this))
+ : InsetMathGrid(buf, getCols(type), 1), type_(type), numbered_(1, NUMBER),
+ numbers_(1, empty_docstring()), label_(1, dummy_pointer),
+ preview_(new RenderPreview(this)), use_preview_(false)
{
buffer_ = buf;
initMath();
return *this;
InsetMathGrid::operator=(other);
type_ = other.type_;
- nonum_ = other.nonum_;
+ numbered_ = other.numbered_;
+ numbers_ = other.numbers_;
buffer_ = other.buffer_;
for (size_t i = 0; i < label_.size(); ++i)
delete label_[i];
}
+// FIXME This should really be controlled by the TOC level, or
+// something of the sort.
+namespace {
+ const char * counters_to_save[] = {"section", "chapter"};
+ unsigned int const numcnts = sizeof(counters_to_save)/sizeof(char *);
+}
+
+
void InsetMathHull::updateBuffer(ParIterator const & it, UpdateType utype)
{
if (!buffer_) {
// MathParser.cpp).
return;
}
+
+ // if any of the equations are numbered, then we want to save the values
+ // of some of the counters.
+ if (haveNumbers()) {
+ BufferParams const & bp = buffer_->params();
+ string const & lang = it->getParLanguage(bp)->code();
+ Counters & cnts =
+ buffer_->masterBuffer()->params().documentClass().counters();
+
+ // right now, we only need to do this at export time
+ if (utype == OutputUpdate) {
+ for (size_t i = 0; i < numcnts; ++i) {
+ docstring const cnt = from_ascii(counters_to_save[i]);
+ if (cnts.hasCounter(cnt))
+ counter_map[cnt] = cnts.value(cnt);
+ }
+ }
+
+ // this has to be done separately
+ docstring const eqstr = from_ascii("equation");
+ if (cnts.hasCounter(eqstr)) {
+ if (utype == OutputUpdate)
+ counter_map[eqstr] = cnts.value(eqstr);
+ for (size_t i = 0; i != label_.size(); ++i) {
+ if (numbered(i)) {
+ cnts.step(eqstr, utype);
+ numbers_[i] = cnts.theCounter(eqstr, lang);
+ } else
+ numbers_[i] = empty_docstring();
+ }
+ }
+ }
+
+ // now the labels
for (size_t i = 0; i != label_.size(); ++i) {
if (label_[i])
label_[i]->updateBuffer(it, utype);
}
-void InsetMathHull::addToToc(DocIterator const & pit)
+void InsetMathHull::addToToc(DocIterator const & pit, bool output_active,
+ UpdateType utype) const
{
if (!buffer_) {
//FIXME: buffer_ should be set at creation for this inset! Problem is
return;
}
- Toc & toc = buffer().tocBackend().toc("equation");
+ shared_ptr<Toc> toc = buffer().tocBackend().toc("equation");
for (row_type row = 0; row != nrows(); ++row) {
- if (nonum_[row])
+ if (!numbered(row))
continue;
if (label_[row])
- label_[row]->addToToc(pit);
- toc.push_back(TocItem(pit, 0, nicelabel(row)));
+ label_[row]->addToToc(pit, output_active, utype);
+ toc->push_back(TocItem(pit, 0, nicelabel(row), output_active));
}
}
}
+//FIXME: This has probably no effect and can be removed.\r
char InsetMathHull::defaultColAlign(col_type col)
{
- if (type_ == hullEqnArray)
- return "rcl"[col];
- if (type_ == hullGather)
- return 'c';
- if (type_ >= hullAlign)
- return "rl"[col & 1];
- return 'c';
+ return colAlign(type_, col);\r
+}
+
+
+char InsetMathHull::displayColAlign(idx_type idx) const
+{
+ switch (type_) {\r
+ case hullMultline: {\r
+ row_type const r = row(idx);
+ if (r == 0)
+ return 'l';
+ if (r == nrows() - 1)
+ return 'r';
+ return 'c';\r
+ }\r
+ case hullEqnArray:\r
+ case hullGather:\r
+ case hullAlign:\r
+ case hullAlignAt:\r
+ case hullXAlignAt:\r
+ case hullXXAlignAt:\r
+ case hullFlAlign:\r
+ return colAlign(type_, col(idx));\r
+ default:\r
+ break;\r
+ }
+ return InsetMathGrid::displayColAlign(idx);
}
}
-bool InsetMathHull::previewState(BufferView * bv) const
+bool InsetMathHull::previewState(const BufferView *const bv) const
{
- if (!editing(bv) && RenderPreview::status() == LyXRC::PREVIEW_ON) {
+ if (!editing(bv) && RenderPreview::previewMath()
+ && type_ != hullRegexp)
+ {
graphics::PreviewImage const * pimage =
preview_->getPreviewImage(bv->buffer());
return pimage && pimage->image();
}
+namespace {
+static const int ERROR_FRAME_WIDTH = 2;
+}
+
void InsetMathHull::metrics(MetricsInfo & mi, Dimension & dim) const
{
if (previewState(mi.base.bv)) {
preview_->metrics(mi, dim);
- // insert a one pixel gap in front of the formula
- dim.wid += 1;
- if (display())
- dim.des += displayMargin();
+ if (previewTooSmall(dim)) {
+ // preview image is too small
+ dim.wid += 2 * ERROR_FRAME_WIDTH;
+ dim.asc += 2 * ERROR_FRAME_WIDTH;
+ } else {
+ // insert a one pixel gap in front of the formula
+ dim.wid += 1;
+ if (display())
+ dim.des += displayMargin();
+ }
// Cache the inset dimension.
setDimCache(mi, dim);
return;
dim.wid += 30 + l;
}
+ if (type_ == hullRegexp)
+ dim.wid += 2;
// make it at least as high as the current font
int asc = 0;
int des = 0;
}
+bool InsetMathHull::previewTooSmall(Dimension const & dim) const
+{
+ return dim.width() <= 10 && dim.height() <= 10;
+}
+
+
ColorCode InsetMathHull::backgroundColor(PainterInfo const & pi) const
{
- if (previewState(pi.base.bv))
+ BufferView const * const bv = pi.base.bv;
+ if (previewState(bv)) {
+ Dimension const dim = dimension(*pi.base.bv);
+ if (previewTooSmall(dim))
+ return Color_error;
return graphics::PreviewLoader::backgroundColor();
+ }
return Color_mathbg;
}
void InsetMathHull::drawBackground(PainterInfo & pi, int x, int y) const
{
Dimension const dim = dimension(*pi.base.bv);
+ if (previewTooSmall(dim)) {
+ pi.pain.fillRectangle(x, y - 2 * ERROR_FRAME_WIDTH,
+ dim.wid, dim.asc + dim.des, backgroundColor(pi));
+ return;
+ }
pi.pain.fillRectangle(x + 1, y - dim.asc + 1, dim.wid - 2,
- dim.asc + dim.des - 1, pi.backgroundColor(this));
+ dim.asc + dim.des - 1, pi.backgroundColor(this));
}
void InsetMathHull::draw(PainterInfo & pi, int x, int y) const
{
- use_preview_ = previewState(pi.base.bv);
+ BufferView const * const bv = pi.base.bv;
+ use_preview_ = previewState(bv);
if (type_ == hullRegexp) {
- Dimension const dim = dimension(*pi.base.bv);
+ Dimension const dim = dimension(*bv);
pi.pain.rectangle(x + 1, y - dim.ascent() + 1,
dim.width() - 2, dim.height() - 2, Color_regexpframe);
}
+
if (use_preview_) {
- // one pixel gap in front
- preview_->draw(pi, x + 1, y);
+ Dimension const dim = dimension(*bv);
+ if (previewTooSmall(dim)) {
+ // we have an extra frame
+ preview_->draw(pi, x + ERROR_FRAME_WIDTH, y);
+ } else {
+ // one pixel gap in front
+ preview_->draw(pi, x + 1, y);
+ }
setPosCache(pi, x, y);
return;
}
InsetMathGrid::metricsT(mi, dim);
} else {
odocstringstream os;
- WriteStream wi(os, false, true, WriteStream::wsDefault);
+ TexRow texrow(false);
+ otexrowstream ots(os,texrow);
+ WriteStream wi(ots, false, true, WriteStream::wsDefault);
write(wi);
dim.wid = os.str().size();
dim.asc = 1;
InsetMathGrid::drawT(pain, x, y);
} else {
odocstringstream os;
- WriteStream wi(os, false, true, WriteStream::wsDefault);
+ TexRow texrow(false);
+ otexrowstream ots(os,texrow);
+ WriteStream wi(ots, false, true, WriteStream::wsDefault);
write(wi);
pain.draw(x, y, os.str().c_str());
}
static Encoding const * encoding = 0;
if (inset.isBufferValid())
encoding = &(inset.buffer().params().encoding());
- WriteStream wi(ls, false, true, WriteStream::wsPreview, encoding);
+ TexRow texrow(false);
+ otexrowstream ots(ls,texrow);
+ WriteStream wi(ots, false, true, WriteStream::wsPreview, encoding);
inset.write(wi);
return ls.str();
}
void InsetMathHull::addPreview(DocIterator const & inset_pos,
graphics::PreviewLoader & /*ploader*/) const
{
- if (RenderPreview::status() == LyXRC::PREVIEW_ON) {
+ if (RenderPreview::previewMath()) {
preparePreview(inset_pos);
}
}
+void InsetMathHull::usedMacros(MathData const & md, DocIterator const & pos,
+ MacroNameSet & macros, MacroNameSet & defs) const
+{
+ MacroNameSet::iterator const end = macros.end();
+
+ for (size_t i = 0; i < md.size(); ++i) {
+ MathMacro const * mi = md[i].nucleus()->asMacro();
+ MathMacroTemplate const * mt = md[i].nucleus()->asMacroTemplate();
+ InsetMathScript const * si = md[i].nucleus()->asScriptInset();
+ InsetMathFracBase const * fi = md[i].nucleus()->asFracBaseInset();
+ InsetMathGrid const * gi = md[i].nucleus()->asGridInset();
+ InsetMathNest const * ni = md[i].nucleus()->asNestInset();
+ if (mi) {
+ // Look for macros in the arguments of this macro.
+ for (idx_type idx = 0; idx < mi->nargs(); ++idx)
+ usedMacros(mi->cell(idx), pos, macros, defs);
+ // Make sure this is a macro defined in the document
+ // (as we also spot the macros in the symbols file)
+ // or that we have not already accounted for it.
+ docstring const name = mi->name();
+ if (macros.find(name) == end)
+ continue;
+ macros.erase(name);
+ // Look for macros in the definition of this macro.
+ MathData ar(pos.buffer());
+ MacroData const * data =
+ pos.buffer()->getMacro(name, pos, true);
+ if (data) {
+ odocstringstream macro_def;
+ data->write(macro_def, true);
+ macro_def << endl;
+ defs.insert(macro_def.str());
+ asArray(data->definition(), ar);
+ }
+ usedMacros(ar, pos, macros, defs);
+ } else if (mt) {
+ MathData ar(pos.buffer());
+ asArray(mt->definition(), ar);
+ usedMacros(ar, pos, macros, defs);
+ } else if (si) {
+ if (!si->nuc().empty())
+ usedMacros(si->nuc(), pos, macros, defs);
+ if (si->hasDown())
+ usedMacros(si->down(), pos, macros, defs);
+ if (si->hasUp())
+ usedMacros(si->up(), pos, macros, defs);
+ } else if (fi || gi) {
+ idx_type nidx = fi ? fi->nargs() : gi->nargs();
+ for (idx_type idx = 0; idx < nidx; ++idx)
+ usedMacros(fi ? fi->cell(idx) : gi->cell(idx),
+ pos, macros, defs);
+ } else if (ni) {
+ usedMacros(ni->cell(0), pos, macros, defs);
+ }
+ }
+}
+
+
void InsetMathHull::preparePreview(DocIterator const & pos,
- bool forexport) const
+ bool forexport) const
{
// there is no need to do all the macro stuff if we're not
// actually going to generate the preview.
- if (RenderPreview::status() != LyXRC::PREVIEW_ON && !forexport)
+ if (!RenderPreview::previewMath() && !forexport)
return;
-
+
Buffer const * buffer = pos.buffer();
// collect macros at this position
MacroNameSet macros;
buffer->listMacroNames(macros);
- MacroNameSet::iterator it = macros.begin();
- MacroNameSet::iterator end = macros.end();
- odocstringstream macro_preamble;
- for (; it != end; ++it) {
- MacroData const * data = buffer->getMacro(*it, pos, true);
- if (data) {
- data->write(macro_preamble, true);
- macro_preamble << endl;
+
+ // collect definitions only for the macros used in this inset
+ MacroNameSet defs;
+ for (idx_type idx = 0; idx < nargs(); ++idx)
+ usedMacros(cell(idx), pos, macros, defs);
+
+ MacroNameSet::iterator it = defs.begin();
+ MacroNameSet::iterator end = defs.end();
+ docstring macro_preamble;
+ for (; it != end; ++it)
+ macro_preamble.append(*it);
+
+ // set the font series and size for this snippet
+ DocIterator dit = pos;
+ while (dit.inMathed())
+ dit.pop_back();
+ Paragraph const & par = dit.paragraph();
+ Font font = par.getFontSettings(buffer->params(), dit.pos());
+ font.fontInfo().realize(par.layout().font);
+ string const lsize = font.latexSize();
+ docstring setfont;
+ docstring endfont;
+ if (font.fontInfo().series() == BOLD_SERIES) {
+ setfont += from_ascii("\\textbf{");
+ endfont += '}';
+ }
+ if (lsize != "normalsize" && !prefixIs(lsize, "error"))
+ setfont += from_ascii("\\" + lsize + '\n');
+
+ docstring setcnt;
+ if (forexport && haveNumbers()) {
+ docstring eqstr = from_ascii("equation");
+ CounterMap::const_iterator it = counter_map.find(eqstr);
+ if (it != counter_map.end()) {
+ int num = it->second;
+ if (num >= 0)
+ setcnt += from_ascii("\\setcounter{") + eqstr + '}' +
+ '{' + convert<docstring>(num) + '}' + '\n';
+ }
+ for (size_t i = 0; i != numcnts; ++i) {
+ docstring cnt = from_ascii(counters_to_save[i]);
+ it = counter_map.find(cnt);
+ if (it == counter_map.end())
+ continue;
+ int num = it->second;
+ if (num > 0)
+ setcnt += from_ascii("\\setcounter{") + cnt + '}' +
+ '{' + convert<docstring>(num) + '}';
}
}
-
- docstring const snippet = macro_preamble.str() + latexString(*this);
+ docstring const snippet = macro_preamble + setfont + setcnt
+ + latexString(*this) + endfont;
LYXERR(Debug::MACROS, "Preview snippet: " << snippet);
preview_->addPreview(snippet, *buffer, forexport);
}
bool InsetMathHull::notifyCursorLeaves(Cursor const & old, Cursor & cur)
{
- if (RenderPreview::status() == LyXRC::PREVIEW_ON) {
+ if (RenderPreview::previewMath()) {
reloadPreview(old);
cur.screenUpdateFlags(Update::Force);
}
docstring InsetMathHull::label(row_type row) const
{
- LASSERT(row < nrows(), /**/);
+ LASSERT(row < nrows(), return docstring());
if (InsetLabel * il = label_[row])
return il->screenLabel();
return docstring();
label_[row] = dummy_pointer;
} else {
if (buffer_)
- label_[row]->updateCommand(label);
+ label_[row]->updateLabelAndRefs(label);
else
label_[row]->setParam("name", label);
}
}
-void InsetMathHull::numbered(row_type row, bool num)
+void InsetMathHull::numbered(row_type row, Numbered num)
{
- nonum_[row] = !num;
- if (nonum_[row] && label_[row]) {
+ numbered_[row] = num;
+ if (!numbered(row) && label_[row]) {
delete label_[row];
label_[row] = 0;
}
bool InsetMathHull::numbered(row_type row) const
{
- return !nonum_[row];
+ return numbered_[row] == NUMBER;
}
bool InsetMathHull::ams() const
{
- return type_ == hullAlign
- || type_ == hullFlAlign
- || type_ == hullMultline
- || type_ == hullGather
- || type_ == hullAlignAt
- || type_ == hullXAlignAt
- || type_ == hullXXAlignAt;
+ switch (type_) {
+ case hullAlign:
+ case hullFlAlign:
+ case hullMultline:
+ case hullGather:
+ case hullAlignAt:
+ case hullXAlignAt:
+ case hullXXAlignAt:
+ return true;
+ case hullNone:
+ case hullSimple:
+ case hullEquation:
+ case hullEqnArray:
+ case hullRegexp:
+ break;
+ }
+ for (size_t row = 0; row < numbered_.size(); ++row)
+ if (numbered_[row] == NOTAG)
+ return true;
+ return false;
}
if (type_ == hullRegexp)
return false;
for (row_type row = 0; row < nrows(); ++row)
- if (!nonum_[row])
+ if (numbered(row))
return true;
return false;
}
if (features.runparams().isLaTeX()) {
if (ams())
features.require("amsmath");
-
+
if (type_ == hullRegexp) {
features.require("color");
string frcol = lcolor.getLaTeXName(Color_regexpframe);
features.addPreambleSnippet(
string("\\newcommand{\\regexp}[1]{\\fcolorbox{")
+ frcol + string("}{")
- + bgcol + string("}{\\texttt{#1}}}"));
+ + bgcol + string("}{\\ensuremath{\\mathtt{#1}}}}"));
+ features.addPreambleSnippet(
+ string("\\newcommand{\\endregexp}{}"));
}
-
+
// Validation is necessary only if not using AMS math.
// To be safe, we will always run mathedvalidate.
//if (features.amsstyle)
// return;
-
+
//features.binom = true;
} else if (features.runparams().math_flavor == OutputParams::MathAsHTML) {
// it would be better to do this elsewhere, but we can't validate in
// InsetMathMatrix and we have no way, outside MathExtern, to know if
// we even have any matrices.
- features.addPreambleSnippet("<style type=\"text/css\">\n"
+ features.addCSSSnippet(
"table.matrix{display: inline-block; vertical-align: middle; text-align:center;}\n"
"table.matrix td{padding: 0.25px;}\n"
"td.ldelim{width: 0.5ex; border: thin solid black; border-right: none;}\n"
- "td.rdelim{width: 0.5ex; border: thin solid black; border-left: none;}\n"
- "</style>");
+ "td.rdelim{width: 0.5ex; border: thin solid black; border-left: none;}");
}
InsetMathGrid::validate(features);
}
case hullSimple:
os << '$';
+ os.startOuterRow();
if (cell(0).empty())
os << ' ';
break;
case hullEquation:
+ os << "\n";
+ os.startOuterRow();
if (n)
os << "\\begin{equation" << star(n) << "}\n";
else
case hullFlAlign:
case hullGather:
case hullMultline:
+ os << "\n";
+ os.startOuterRow();
os << "\\begin{" << hullName(type_) << star(n) << "}\n";
break;
case hullAlignAt:
case hullXAlignAt:
+ os << "\n";
+ os.startOuterRow();
os << "\\begin{" << hullName(type_) << star(n) << '}'
<< '{' << static_cast<unsigned int>((ncols() + 1)/2) << "}\n";
break;
case hullXXAlignAt:
+ os << "\n";
+ os.startOuterRow();
os << "\\begin{" << hullName(type_) << '}'
<< '{' << static_cast<unsigned int>((ncols() + 1)/2) << "}\n";
break;
case hullRegexp:
- os << "\\regexp{{{";
+ os << "\\regexp{";
break;
default:
- os << "\\begin{unknown" << star(n) << '}';
+ os << "\n";
+ os.startOuterRow();
+ os << "\\begin{unknown" << star(n) << "}\n";
break;
}
}
break;
case hullEquation:
+ os << "\n";
+ os.startOuterRow();
if (n)
os << "\\end{equation" << star(n) << "}\n";
else
case hullXAlignAt:
case hullGather:
case hullMultline:
+ os << "\n";
+ os.startOuterRow();
os << "\\end{" << hullName(type_) << star(n) << "}\n";
break;
case hullXXAlignAt:
+ os << "\n";
+ os.startOuterRow();
os << "\\end{" << hullName(type_) << "}\n";
break;
case hullRegexp:
- os << "}}}";
+ // Only used as a heuristic to find the regexp termination, when searching in ignore-format mode
+ os << "\\endregexp{}}";
break;
default:
- os << "\\end{unknown" << star(n) << '}';
+ os << "\n";
+ os.startOuterRow();
+ os << "\\end{unknown" << star(n) << "}\n";
break;
}
}
return;
bool numbered = numberedType();
- docstring lab;
+ // Move the number and raw pointer, do not call label() (bug 7511)
+ InsetLabel * label = dummy_pointer;
+ docstring number = empty_docstring();
if (type_ == hullMultline) {
if (row + 1 == nrows()) {
- nonum_[row] = true;
- lab = label(row);
+ numbered_[row] = NONUMBER;
+ swap(label, label_[row]);
+ swap(number, numbers_[row]);
} else
numbered = false;
}
- nonum_.insert(nonum_.begin() + row + 1, !numbered);
- label_.insert(label_.begin() + row + 1, dummy_pointer);
- if (!lab.empty())
- label(row + 1, lab);
+ numbered_.insert(numbered_.begin() + row + 1, numbered ? NUMBER : NONUMBER);
+ numbers_.insert(numbers_.begin() + row + 1, number);
+ label_.insert(label_.begin() + row + 1, label);
InsetMathGrid::addRow(row);
}
return;
if (row + 1 == nrows())
--row;
- // gcc implements the standard std::vector<bool> which is *not* a container:
- // http://www.gotw.ca/publications/N1185.pdf
- // As a results, it doesn't like this:
- // swap(nonum_[row], nonum_[row + 1]);
- // so we do it manually:
- bool const b = nonum_[row];
- nonum_[row] = nonum_[row + 1];
- nonum_[row + 1] = b;
+ swap(numbered_[row], numbered_[row + 1]);
+ swap(numbers_[row], numbers_[row + 1]);
swap(label_[row], label_[row + 1]);
InsetMathGrid::swapRow(row);
}
if (nrows() <= 1 || !rowChangeOK())
return;
if (row + 1 == nrows() && type_ == hullMultline) {
- bool const b = nonum_[row - 1];
- nonum_[row - 1] = nonum_[row];
- nonum_[row] = b;
+ swap(numbered_[row - 1], numbered_[row]);
+ swap(numbers_[row - 1], numbers_[row]);
swap(label_[row - 1], label_[row]);
InsetMathGrid::delRow(row);
return;
// Test nrows() + 1 because we have already erased the row.
if (row == nrows() + 1)
row--;
- nonum_.erase(nonum_.begin() + row);
+ numbered_.erase(numbered_.begin() + row);
+ numbers_.erase(numbers_.begin() + row);
delete label_[row];
label_.erase(label_.begin() + row);
}
docstring InsetMathHull::nicelabel(row_type row) const
{
- if (nonum_[row])
+ if (!numbered(row))
return docstring();
+ docstring const & val = numbers_[row];
if (!label_[row])
- return from_ascii("(#)");
- return '(' + label_[row]->screenLabel() + from_ascii(", #)");
+ return '(' + val + ')';
+ return '(' + val + ',' + label_[row]->screenLabel() + ')';
}
}
}
*this = InsetMathHull(buffer_, hullSimple);
- if (label)
- label_[0] = label;
+ label_[0] = label;
cell(0) = ar;
setDefaults();
}
void InsetMathHull::splitTo2Cols()
{
- LASSERT(ncols() == 1, /**/);
+ LASSERT(ncols() == 1, return);
InsetMathGrid::addCol(1);
for (row_type row = 0; row < nrows(); ++row) {
idx_type const i = 2 * row;
void InsetMathHull::splitTo3Cols()
{
- LASSERT(ncols() < 3, /**/);
+ LASSERT(ncols() < 3, return);
if (ncols() < 2)
splitTo2Cols();
InsetMathGrid::addCol(2);
for (row_type row = 0; row < nrows(); ++row) {
idx_type const i = 3 * row + 1;
- if (cell(i).size()) {
+ if (!cell(i).empty()) {
cell(i + 1) = MathData(buffer_, cell(i).begin() + 1, cell(i).end());
cell(i).erase(1, cell(i).size());
}
}
+bool InsetMathHull::isMutable(HullType type)\r
+{\r
+ switch (type) {\r
+ case hullNone:\r
+ case hullSimple:\r
+ case hullEquation:\r
+ case hullEqnArray:\r
+ case hullAlign:\r
+ case hullFlAlign:\r
+ case hullAlignAt:\r
+ case hullXAlignAt:\r
+ case hullXXAlignAt:\r
+ case hullMultline:\r
+ case hullGather:\r
+ return true;\r
+ default:\r
+ return false;\r
+ }\r
+}\r
+\r
+\r
void InsetMathHull::mutate(HullType newtype)
{
//lyxerr << "mutating from '" << type_ << "' to '" << newtype << "'" << endl;
numbered(0, false);
} else {
setType(hullEquation);
+ numbered(0, label_[0] ? true : false);
mutate(newtype);
}
}
}
-docstring InsetMathHull::eolString(row_type row, bool fragile, bool last_eoln) const
+docstring InsetMathHull::eolString(row_type row, bool fragile, bool latex,
+ bool last_eoln) const
{
docstring res;
if (numberedType()) {
- if (label_[row] && !nonum_[row])
- res += "\\label{" +
- escape(label_[row]->getParam("name")) + '}';
- if (nonum_[row] && (type_ != hullMultline))
- res += "\\nonumber ";
+ if (label_[row] && numbered(row)) {
+ docstring const name =
+ latex ? escape(label_[row]->getParam("name"))
+ : label_[row]->getParam("name");
+ res += "\\label{" + name + '}';
+ }
+ if (type_ != hullMultline) {
+ if (numbered_[row] == NONUMBER)
+ res += "\\nonumber ";
+ else if (numbered_[row] == NOTAG)
+ res += "\\notag ";
+ }
}
// Never add \\ on the last empty line of eqnarray and friends
last_eoln = false;
- return res + InsetMathGrid::eolString(row, fragile, last_eoln);
+ return res + InsetMathGrid::eolString(row, fragile, latex, last_eoln);
}
-
void InsetMathHull::write(WriteStream & os) const
{
ModeSpecifier specifier(os, MATH_MODE);
}
-void InsetMathHull::mathmlize(MathStream & os) const
-{
- InsetMathGrid::mathmlize(os);
-}
-
-
void InsetMathHull::infoize(odocstream & os) const
{
- os << "Type: " << hullName(type_);
+ os << bformat(_("Type: %1$s"), hullName(type_));
}
void InsetMathHull::check() const
{
- LASSERT(nonum_.size() == nrows(), /**/);
- LASSERT(label_.size() == nrows(), /**/);
+ LATTEST(numbered_.size() == nrows());
+ LATTEST(numbers_.size() == nrows());
+ LATTEST(label_.size() == nrows());
}
extra = from_ascii("noextra");
string const lang = to_ascii(dlang);
- // FIXME: temporarily disabled
- //if (cur.selection()) {
- // MathData ar;
- // selGet(cur.ar);
- // lyxerr << "use selection: " << ar << endl;
- // insert(pipeThroughExtern(lang, extra, ar));
- // return;
- //}
+ // replace selection with result of computation
+ if (reduceSelectionToOneCell(cur)) {
+ MathData ar;
+ asArray(grabAndEraseSelection(cur), ar);
+ lyxerr << "use selection: " << ar << endl;
+ cur.insert(pipeThroughExtern(lang, extra, ar));
+ return;
+ }
+
+ // only inline, display or eqnarray math is allowed
+ if (getType() > hullEqnArray) {
+ frontend::Alert::warning(_("Bad math environment"),
+ _("Computation cannot be performed for AMS "
+ "math environments.\nChange the math "
+ "formula type and try again."));
+ return;
+ }
MathData eq;
eq.push_back(MathAtom(new InsetMathChar('=')));
if (getType() == hullSimple) {
size_type pos = cur.cell().find_last(eq);
MathData ar;
- if (cur.inMathed() && cur.selection()) {
- asArray(grabAndEraseSelection(cur), ar);
- } else if (pos == cur.cell().size()) {
+ if (pos == cur.cell().size()) {
ar = cur.cell();
lyxerr << "use whole cell: " << ar << endl;
} else {
case LFUN_FINISHED_LEFT:
//lyxerr << "action: " << cmd.action() << endl;
InsetMathGrid::doDispatch(cur, cmd);
- cur.undispatched();
break;
- case LFUN_BREAK_PARAGRAPH:
+ case LFUN_PARAGRAPH_BREAK:
// just swallow this
break;
if (type_ == hullSimple || type_ == hullEquation) {
cur.recordUndoInset();
bool const align =
- cur.bv().buffer().params().use_amsmath == BufferParams::package_on;
+ cur.bv().buffer().params().use_package("amsmath") != BufferParams::package_off;
mutate(align ? hullAlign : hullEqnArray);
// mutate() may change labels and such.
cur.forceBufferUpdate();
}
case LFUN_LABEL_INSERT: {
- cur.recordUndoInset();
row_type r = (type_ == hullMultline) ? nrows() - 1 : cur.row();
docstring old_label = label(r);
- // FIXME refstyle
- // Allow customization of this separator
docstring const default_label = from_ascii("eq:");
if (old_label.empty())
old_label = default_label;
InsetCommandParams p(LABEL_CODE);
p["name"] = cmd.argument().empty() ? old_label : cmd.argument();
- string const data = InsetCommand::params2string("label", p);
+ string const data = InsetCommand::params2string(p);
if (cmd.argument().empty())
cur.bv().showDialog("label", data);
break;
}
- case LFUN_LABEL_COPY_AS_REF: {
+ case LFUN_LABEL_COPY_AS_REFERENCE: {
row_type row;
if (cmd.argument().empty() && &cur.inset() == this)
// if there is no argument and we're inside math, we retrieve
// if there is an argument, find the corresponding label, else
// check whether there is at least one label.
for (row = 0; row != nrows(); ++row)
- if (!nonum_[row] && label_[row]
+ if (numbered(row) && label_[row]
&& (cmd.argument().empty() || label(row) == cmd.argument()))
break;
}
string const name = cmd.getArg(0);
if (name == "label") {
InsetCommandParams p(LABEL_CODE);
- InsetCommand::string2params(name, to_utf8(cmd.argument()), p);
+ InsetCommand::string2params(to_utf8(cmd.argument()), p);
docstring str = p["name"];
cur.recordUndoInset();
row_type const r = (type_ == hullMultline) ? nrows() - 1 : cur.row();
case LFUN_MATH_DISPLAY: {
cur.recordUndoInset();
mutate(type_ == hullSimple ? hullEquation : hullSimple);
- cur.idx() = 0;
- cur.pos() = cur.lastpos();
- //cur.dispatched(FINISHED);
+ // if the cursor is in a cell that got merged, move it to
+ // start of the hull inset.
+ if (cur.idx() > 0) {
+ cur.idx() = 0;
+ cur.pos() = 0;
+ }
+ if (cur.pos() > cur.lastpos())
+ cur.pos() = cur.lastpos();
+
break;
}
case LFUN_DOWN:
case LFUN_NEWLINE_INSERT:
case LFUN_MATH_EXTERN:
- case LFUN_MATH_DISPLAY:
// we handle these
status.setEnabled(true);
return true;
+ // we never allow this in math, and we want to bind enter
+ // to another actions in command-alternatives
+ case LFUN_PARAGRAPH_BREAK:
+ status.setEnabled(false);
+ return true;
case LFUN_MATH_MUTATE: {
- HullType ht = hullType(cmd.argument());
+ HullType const ht = hullType(cmd.argument());
status.setOnOff(type_ == ht);
status.setEnabled(true);
+
+ if (ht != hullSimple) {
+ Cursor tmpcur = cur;
+ while (!tmpcur.empty()) {
+ InsetCode code = tmpcur.inset().lyxCode();
+ if (code == BOX_CODE) {
+ return true;
+ } else if (code == TABULAR_CODE) {
+ FuncRequest tmpcmd(LFUN_MATH_DISPLAY);
+ if (tmpcur.getStatus(tmpcmd, status) && !status.enabled())
+ return true;
+ }
+ tmpcur.pop_back();
+ }
+ }
+ return true;
+ }
+ case LFUN_MATH_DISPLAY: {
+ bool enable = true;
+ if (cur.depth() > 1) {
+ Inset const & in = cur[cur.depth()-2].inset();
+ if (in.lyxCode() == SCRIPT_CODE)
+ enable = display() != Inline;
+ }
+ status.setEnabled(enable);
+ status.setOnOff(display() != Inline);
return true;
}
// LABEL_INSERT?
bool const enable = (type_ == hullMultline)
? (nrows() - 1 == cur.row())
- : display() != Inline && nrows() > 1;
+ : display() != Inline;
row_type const r = (type_ == hullMultline) ? nrows() - 1 : cur.row();
status.setEnabled(enable);
status.setOnOff(enable && numbered(r));
status.setEnabled(type_ != hullSimple);
return true;
- case LFUN_LABEL_COPY_AS_REF: {
+ case LFUN_LABEL_COPY_AS_REFERENCE: {
bool enabled = false;
row_type row;
if (cmd.argument().empty() && &cur.inset() == this) {
// if there is no argument and we're inside math, we retrieve
// the row number from the cursor position.
row = (type_ == hullMultline) ? nrows() - 1 : cur.row();
- enabled = numberedType() && label_[row] && !nonum_[row];
+ enabled = numberedType() && label_[row] && numbered(row);
} else {
// if there is an argument, find the corresponding label, else
// check whether there is at least one label.
for (row_type row = 0; row != nrows(); ++row) {
- if (!nonum_[row] && label_[row] &&
+ if (numbered(row) && label_[row] &&
(cmd.argument().empty() || label(row) == cmd.argument())) {
enabled = true;
break;
void InsetMathHull::write(ostream & os) const
{
odocstringstream oss;
- WriteStream wi(oss, false, false, WriteStream::wsDefault);
+ TexRow texrow(false);
+ otexrowstream ots(oss,texrow);
+ WriteStream wi(ots, false, false, WriteStream::wsDefault);
oss << "Formula ";
write(wi);
os << to_utf8(oss.str());
}
-int InsetMathHull::plaintext(odocstream & os, OutputParams const &) const
+int InsetMathHull::plaintext(odocstringstream & os,
+ OutputParams const & op, size_t max_length) const
{
// disables ASCII-art for export of equations. See #2275.
if (0 && display()) {
// reset metrics cache to "real" values
//metrics();
return tpain.textheight();
- } else {
- odocstringstream oss;
- Encoding const * const enc = encodings.fromLyXName("utf8");
- WriteStream wi(oss, false, true, WriteStream::wsDefault, enc);
- // Fix Bug #6139
- if (type_ == hullRegexp)
- write(wi);
- else
- wi << cell(0);
- docstring const str = oss.str();
- os << str;
- return str.size();
}
+
+ odocstringstream oss;
+ TexRow texrow(false);
+ otexrowstream ots(oss,texrow);
+ Encoding const * const enc = encodings.fromLyXName("utf8");
+ WriteStream wi(ots, false, true, WriteStream::wsDefault, enc);
+
+ // Fix Bug #6139
+ if (type_ == hullRegexp)
+ write(wi);
+ else {
+ for (row_type r = 0; r < nrows(); ++r) {
+ for (col_type c = 0; c < ncols(); ++c)
+ wi << (c == 0 ? "" : "\t") << cell(index(r, c));
+ // if it's for the TOC, we write just the first line
+ // and do not include the newline.
+ if (op.for_toc || op.for_tooltip || oss.str().size() >= max_length)
+ break;
+ if (r < nrows() - 1)
+ wi << "\n";
+ }
+ }
+ docstring const str = oss.str();
+ os << str;
+ return str.size();
}
++ms.tab(); ms.cr(); ms.os() << '<' << bname << '>';
odocstringstream ls;
+ TexRow texrow;
+ otexstream ols(ls, texrow);
if (runparams.flavor == OutputParams::XML) {
ms << MTag("alt role='tex' ");
// Workaround for db2latex: db2latex always includes equations with
// \ensuremath{} or \begin{display}\end{display}
// so we strip LyX' math environment
- WriteStream wi(ls, false, false, WriteStream::wsDefault, runparams.encoding);
+ WriteStream wi(ols, false, false, WriteStream::wsDefault, runparams.encoding);
InsetMathGrid::write(wi);
ms << from_utf8(subst(subst(to_utf8(ls.str()), "&", "&"), "<", "<"));
ms << ETag("alt");
ms << ETag("math");
} else {
ms << MTag("alt role='tex'");
- res = latex(ls, runparams);
+ latex(ols, runparams);
+ res = texrow.rows();
ms << from_utf8(subst(subst(to_utf8(ls.str()), "&", "&"), "<", "<"));
ms << ETag("alt");
}
}
+bool InsetMathHull::haveNumbers() const
+{
+ bool havenumbers = false;
+ // inline formulas are never numbered (bug 7351 part 3)
+ if (getType() == hullSimple)
+ return havenumbers;
+ for (size_t i = 0; i != numbered_.size(); ++i) {
+ if (numbered(i)) {
+ havenumbers = true;
+ break;
+ }
+ }
+ return havenumbers;
+}
+
+
+// FIXME XHTML
+// We need to do something about alignment here.
+//
+// This duplicates code from InsetMathGrid, but
+// we need access here to number information,
+// and we simply do not have that in InsetMathGrid.
+void InsetMathHull::htmlize(HtmlStream & os) const
+{
+ bool const havenumbers = haveNumbers();
+ bool const havetable = havenumbers || nrows() > 1 || ncols() > 1;
+
+ if (!havetable) {
+ os << cell(index(0, 0));
+ return;
+ }
+
+ os << MTag("table", "class='mathtable'");
+ for (row_type row = 0; row < nrows(); ++row) {
+ os << MTag("tr");
+ for (col_type col = 0; col < ncols(); ++col) {
+ os << MTag("td");
+ os << cell(index(row, col));
+ os << ETag("td");
+ }
+ if (havenumbers) {
+ os << MTag("td");
+ docstring const & num = numbers_[row];
+ if (!num.empty())
+ os << '(' << num << ')';
+ os << ETag("td");
+ }
+ os << ETag("tr");
+ }
+ os << ETag("table");
+}
+
+
+// this duplicates code from InsetMathGrid, but
+// we need access here to number information,
+// and we simply do not have that in InsetMathGrid.
+void InsetMathHull::mathmlize(MathStream & os) const
+{
+ bool const havenumbers = haveNumbers();
+ bool const havetable = havenumbers || nrows() > 1 || ncols() > 1;
+
+ if (havetable)
+ os << MTag("mtable");
+ char const * const celltag = havetable ? "mtd" : "mrow";
+ // FIXME There does not seem to be wide support at the moment
+ // for mlabeledtr, so we have to use just mtr for now.
+ // char const * const rowtag = havenumbers ? "mlabeledtr" : "mtr";
+ char const * const rowtag = "mtr";
+ for (row_type row = 0; row < nrows(); ++row) {
+ if (havetable)
+ os << MTag(rowtag);
+ for (col_type col = 0; col < ncols(); ++col) {
+ os << MTag(celltag)
+ << cell(index(row, col))
+ << ETag(celltag);
+ }
+ // fleqn?
+ if (havenumbers) {
+ os << MTag("mtd");
+ docstring const & num = numbers_[row];
+ if (!num.empty())
+ os << '(' << num << ')';
+ os << ETag("mtd");
+ }
+ if (havetable)
+ os << ETag(rowtag);
+ }
+ if (havetable)
+ os << ETag("mtable");
+}
+
+
+void InsetMathHull::mathAsLatex(WriteStream & os) const
+{
+ MathEnsurer ensurer(os, false);
+ bool havenumbers = haveNumbers();
+ bool const havetable = havenumbers || nrows() > 1 || ncols() > 1;
+
+ if (!havetable) {
+ os << cell(index(0, 0));
+ return;
+ }
+
+ os << "<table class='mathtable'>";
+ for (row_type row = 0; row < nrows(); ++row) {
+ os << "<tr>";
+ for (col_type col = 0; col < ncols(); ++col) {
+ os << "<td class='math'>";
+ os << cell(index(row, col));
+ os << "</td>";
+ }
+ if (havenumbers) {
+ os << "<td>";
+ docstring const & num = numbers_[row];
+ if (!num.empty())
+ os << '(' << num << ')';
+ os << "</td>";
+ }
+ os << "</tr>";
+ }
+ os << "</table>";
+}
+
+
docstring InsetMathHull::xhtml(XHTMLStream & xs, OutputParams const & op) const
{
- BufferParams::MathOutput const mathtype =
- buffer().params().html_math_output;
-
+ BufferParams::MathOutput const mathtype =
+ buffer().masterBuffer()->params().html_math_output;
+
bool success = false;
+
+ // we output all the labels just at the beginning of the equation.
+ // this should be fine.
+ for (size_t i = 0; i != label_.size(); ++i) {
+ InsetLabel const * const il = label_[i];
+ if (!il)
+ continue;
+ il->xhtml(xs, op);
+ }
+
// FIXME Eventually we would like to do this inset by inset.
if (mathtype == BufferParams::MathML) {
odocstringstream os;
MathStream ms(os);
try {
- InsetMathGrid::mathmlize(ms);
+ mathmlize(ms);
success = true;
} catch (MathExportException const &) {}
if (success) {
if (getType() == hullSimple)
- xs << html::StartTag("math",
+ xs << html::StartTag("math",
"xmlns=\"http://www.w3.org/1998/Math/MathML\"", true);
- else
- xs << html::StartTag("math",
- "display=\"block\" xmlns=\"http://www.w3.org/1998/Math/MathML\"", true);
- xs << XHTMLStream::NextRaw()
+ else
+ xs << html::StartTag("math",
+ "display=\"block\" xmlns=\"http://www.w3.org/1998/Math/MathML\"", true);
+ xs << XHTMLStream::ESCAPE_NONE
<< os.str()
<< html::EndTag("math");
}
odocstringstream os;
HtmlStream ms(os);
try {
- InsetMathGrid::htmlize(ms);
+ htmlize(ms);
success = true;
} catch (MathExportException const &) {}
if (success) {
string const tag = (getType() == hullSimple) ? "span" : "div";
xs << html::StartTag(tag, "class='formula'", true)
- << XHTMLStream::NextRaw()
- << os.str()
- << html::EndTag(tag);
+ << XHTMLStream::ESCAPE_NONE
+ << os.str()
+ << html::EndTag(tag);
}
}
-
+
// what we actually want is this:
// if (
- // ((mathtype == BufferParams::MathML || mathtype == BufferParams::HTML)
+ // ((mathtype == BufferParams::MathML || mathtype == BufferParams::HTML)
// && !success)
// || mathtype == BufferParams::Images
// )
- // but what follows is equivalent, since we'll enter only if either (a) we
+ // but what follows is equivalent, since we'll enter only if either (a) we
// tried and failed with MathML or HTML or (b) didn't try yet at all but
// aren't doing LaTeX, in which case we are doing Images.
if (!success && mathtype != BufferParams::LaTeX) {
- loadPreview(docit_);
- graphics::PreviewImage const * pimage = preview_->getPreviewImage(buffer());
- if (pimage) {
+ graphics::PreviewImage const * pimage = 0;
+ if (!op.dryrun) {
+ loadPreview(docit_);
+ pimage = preview_->getPreviewImage(buffer());
// FIXME Do we always have png?
+ }
+
+ if (pimage || op.dryrun) {
+ string const filename = pimage ? pimage->filename().onlyFileName()
+ : "previewimage.png";
+ if (pimage) {
+ // if we are not in the master buffer, then we need to see that the
+ // generated image is copied there; otherwise, preview fails.
+ Buffer const * mbuf = buffer().masterBuffer();
+ if (mbuf != &buffer()) {
+ string mbtmp = mbuf->temppath();
+ FileName const mbufimg(support::addName(mbtmp, filename));
+ pimage->filename().copyTo(mbufimg);
+ }
+ // add the file to the list of files to be exported
+ op.exportdata->addExternalFile("xhtml", pimage->filename());
+ }
+
string const tag = (getType() == hullSimple) ? "span" : "div";
- FileName const & mathimg = pimage->filename();
- xs << html::StartTag(tag)
- << html::CompTag("img", "src=\"" + mathimg.onlyFileName() + "\"")
- << html::EndTag(tag);
- xs.cr();
- // add the file to the list of files to be exported
- op.exportdata->addExternalFile("xhtml", mathimg);
+ xs << html::CR()
+ << html::StartTag(tag)
+ << html::CompTag("img", "src=\"" + filename + "\" alt=\"Mathematical Equation\"")
+ << html::EndTag(tag)
+ << html::CR();
success = true;
}
}
-
+
// so we'll pass this test if we've failed everything else, or
// if mathtype was LaTeX, since we won't have entered any of the
// earlier branches
if (!success /* || mathtype != BufferParams::LaTeX */) {
- string const tag = (getType() == hullSimple) ? "span" : "div";
// Unfortunately, we cannot use latexString() because we do not want
// $...$ or whatever.
odocstringstream ls;
- WriteStream wi(ls, false, true, WriteStream::wsPreview);
+ TexRow texrow(false);
+ otexrowstream ots(ls,texrow);
+ WriteStream wi(ots, false, true, WriteStream::wsPreview);
ModeSpecifier specifier(wi, MATH_MODE);
- InsetMathGrid::write(wi);
+ mathAsLatex(wi);
docstring const latex = ls.str();
-
+
// class='math' allows for use of jsMath
// http://www.math.union.edu/~dpvc/jsMath/
// FIXME XHTML
// probably should allow for some kind of customization here
- xs << html::StartTag(tag, "class='math'")
- << latex
- << html::EndTag(tag);
- xs.cr();
+ string const tag = (getType() == hullSimple) ? "span" : "div";
+ xs << html::StartTag(tag, "class='math'")
+ << latex
+ << html::EndTag(tag)
+ << html::CR();
}
return docstring();
}
-void InsetMathHull::tocString(odocstream & os) const
+void InsetMathHull::toString(odocstream & os) const
+{
+ odocstringstream ods;
+ plaintext(ods, OutputParams(0));
+ os << ods.str();
+}
+
+
+void InsetMathHull::forOutliner(docstring & os, size_t const, bool const) const
{
- plaintext(os, OutputParams(0));
+ odocstringstream ods;
+ OutputParams op(0);
+ op.for_toc = true;
+ // FIXME: this results in spilling TeX into the LyXHTML output since the
+ // outliner is used to generate the LyXHTML list of figures/etc.
+ plaintext(ods, op);
+ os += ods.str();
}
-docstring InsetMathHull::contextMenu(BufferView const &, int, int) const
+string InsetMathHull::contextMenuName() const
{
- return from_ascii("context-math");
+ return "context-math";
}