#include "InsetMathMacro.h"
#include "InsetMathMacroTemplate.h"
#include "MetricsInfo.h"
-#include "output_xhtml.h"
+#include "xml.h"
#include "Paragraph.h"
#include "ParIterator.h"
#include "xml.h"
}
-Inset::DisplayType InsetMathHull::display() const
+Inset::RowFlags InsetMathHull::rowFlags() const
{
switch (type_) {
case hullUnknown:
case hullMultline:
case hullGather:
if (buffer().params().is_math_indent)
- return AlignLeft;
+ return Display | AlignLeft;
else
- return AlignCenter;
+ return Display;
}
// avoid warning
- return AlignCenter;
+ return Display;
}
{
// FIXME: set this in the textclass. This value is what the article class uses.
static Length default_indent(2.5, Length::EM);
- if (display() != Inline && buffer().params().is_math_indent) {
+ if (display() && buffer().params().is_math_indent) {
Length const & len = buffer().params().getMathIndent();
if (len.empty())
return bv.inPixels(default_indent);
return true;
}
case LFUN_MATH_DISPLAY: {
- status.setEnabled(display() != Inline || allowDisplayMath(cur));
- status.setOnOff(display() != Inline);
+ status.setEnabled(display() || allowDisplayMath(cur));
+ status.setOnOff(display());
return true;
}
case LFUN_MATH_NUMBER_TOGGLE:
// FIXME: what is the right test, this or the one of
// LABEL_INSERT?
- status.setEnabled(display() != Inline);
+ status.setEnabled(display());
status.setOnOff(numberedType());
return true;
// LABEL_INSERT?
bool const enable = (type_ == hullMultline)
? (nrows() - 1 == cur.row())
- : display() != Inline;
+ : display();
row_type const r = (type_ == hullMultline) ? nrows() - 1 : cur.row();
status.setEnabled(enable);
status.setOnOff(enable && numbered(r));
}
-int InsetMathHull::docbook(odocstream & os, OutputParams const & runparams) const
+void InsetMathHull::docbook(XMLStream & xs, OutputParams const & runparams) const
{
- MathStream ms(os);
- int res = 0;
+ // Choose the tag around the MathML equation.
docstring name;
if (getType() == hullSimple)
name = from_ascii("inlineequation");
else
name = from_ascii("informalequation");
- docstring bname = name;
- if (!label(0).empty())
- bname += " id='" + xml::cleanID(label(0)) + "'";
+ // DocBook also has <equation>, but it comes with a title.
+
+ docstring attr;
+ for (row_type i = 0; i < nrows(); ++i) {
+ if (!label(i).empty()) {
+ attr = "xml:id=\"" + xml::cleanID(label(i)) + "\"";
+ break;
+ }
+ }
+
+ xs << xml::StartTag(name, attr);
+ xs << xml::CR();
- ++ms.tab(); ms.cr(); ms.os() << '<' << bname << '>';
+ // With DocBook 5, MathML must be within its own namespace; defined in Buffer.cpp::writeDocBookSource as "m".
+ // Output everything in a separate stream so that this does not interfere with the standard flow of DocBook tags.
+ odocstringstream osmath;
+ MathStream ms(osmath, "m", true);
+ // Output the MathML subtree.
odocstringstream ls;
otexstream ols(ls);
- 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(ols, false, false, WriteStream::wsDefault, runparams.encoding);
- InsetMathGrid::write(wi);
- ms << from_utf8(subst(subst(to_utf8(ls.str()), "&", "&"), "<", "<"));
- ms << ETag("alt");
- ms << MTag("math");
- ms << ETag("alt");
+
+ // TeX transcription. Avoid MTag/ETag so that there are no extraneous spaces.
+ ms << "<" << from_ascii("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(ols, false, false, WriteStream::wsDefault, runparams.encoding);
+ InsetMathGrid::write(wi);
+ ms << from_utf8(subst(subst(to_utf8(ls.str()), "&", "&"), "<", "<"));
+ ms << "</" << from_ascii("alt") << ">";
+
+ // Actual transformation of the formula into MathML. This translation may fail (for example, due to custom macros).
+ // The new output stream is required to deal with the errors: first write completely the formula into this
+ // temporary stream; then, if it is possible without error, then copy it back to the "real" stream. Otherwise,
+ // some incomplete tags might be put into the real stream.
+ try {
+ // First, generate the MathML expression.
+ odocstringstream ostmp;
+ MathStream mstmp(ostmp, ms.xmlns(), ms.xmlMode());
+ InsetMathGrid::mathmlize(mstmp);
+
+ // Then, output it (but only if the generation can be done without errors!).
ms << MTag("math");
- InsetMathGrid::mathmlize(ms);
+ ms.cr();
+ osmath << ostmp.str(); // osmath is not a XMLStream, so no need for XMLStream::ESCAPE_NONE.
ms << ETag("math");
- } else {
- ms << MTag("alt role='tex'");
- latex(ols, runparams);
- res = ols.texrow().rows();
- ms << from_utf8(subst(subst(to_utf8(ls.str()), "&", "&"), "<", "<"));
- ms << ETag("alt");
+ } catch (MathExportException const &) {
+ osmath << "MathML export failed. Please report this as a bug.";
}
- ms << from_ascii("<graphic fileref=\"eqn/");
- if (!label(0).empty())
- ms << xml::cleanID(label(0));
- else
- ms << xml::uniqueID(from_ascii("anon"));
-
- if (runparams.flavor == OutputParams::XML)
- ms << from_ascii("\"/>");
- else
- ms << from_ascii("\">");
-
- ms.cr(); --ms.tab(); ms.os() << "</" << name << '>';
-
- return ms.line() + res;
+ // Output the complete formula to the DocBook stream.
+ xs << XMLStream::ESCAPE_NONE << osmath.str();
+ xs << xml::CR();
+ xs << xml::EndTag(name);
}
// 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
+void InsetMathHull::mathmlize(MathStream & ms) const
{
bool const havenumbers = haveNumbers();
bool const havetable = havenumbers || nrows() > 1 || ncols() > 1;
if (havetable)
- os << MTag("mtable");
+ ms << 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 = "mtr";
for (row_type row = 0; row < nrows(); ++row) {
if (havetable)
- os << MTag(rowtag);
+ ms << MTag(rowtag);
for (col_type col = 0; col < ncols(); ++col) {
- os << MTag(celltag)
+ ms << MTag(celltag)
<< cell(index(row, col))
<< ETag(celltag);
}
// fleqn?
if (havenumbers) {
- os << MTag("mtd");
+ ms << MTag("mtd");
docstring const & num = numbers_[row];
if (!num.empty())
- os << '(' << num << ')';
- os << ETag("mtd");
+ ms << '(' << num << ')';
+ ms << ETag("mtd");
}
if (havetable)
- os << ETag(rowtag);
+ ms << ETag(rowtag);
}
if (havetable)
- os << ETag("mtable");
+ ms << ETag("mtable");
}
bool InsetMathHull::canPaintChange(BufferView const &) const
{
// We let RowPainter do it seamlessly for inline insets
- return display() != Inline;
+ return display();
}