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Fix parsing of functions and arguments for MathML.

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The enum is overkill for now, but will be useful if anyone decides
really to return to this stuff. It's apparent that there are some 
powerful tools here---like the ability to pipe expressions through
Mathematica.



git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@31989 a592a061-630c-0410-9148-cb99ea01b6c8
This commit is contained in:
Richard Heck 2009-11-14 20:20:17 +00:00
parent 963c22353a
commit 9ba340b218
2 changed files with 116 additions and 111 deletions
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13
src/mathed/InsetMathString.cpp
View File

@ -19,6 +19,7 @@
#include "support/debug.h"
#include "support/gettext.h"
#include "support/lassert.h"
#include "support/lstrings.h"
#include "support/textutils.h"
@ -90,16 +91,8 @@ void InsetMathString::octave(OctaveStream & os) const
void InsetMathString::mathmlize(MathStream & os) const
{
/*
if (code_ == LM_TC_VAR)
os << "<mi> " << str_ << " </mi>";
else if (code_ == LM_TC_CONST)
os << "<mn> " << str_ << " </mn>";
else if (code_ == LM_TC_RM || code_ == LM_TC_TEXTRM)
os << "<mtext> " << str_ << " </mtext>";
else
*/
os << str_;
// useless, no doubt, but we should not be here
LASSERT(false, /* */);
}

214
src/mathed/MathExtern.cpp
View File

@ -50,6 +50,17 @@ using namespace lyx::support;
namespace lyx {
namespace {
enum ExternalMath {
MAPLE,
MAXIMA,
MATHEMATICA,
MATHML,
OCTAVE
};
static char const * function_names[] = {
"arccos", "arcsin", "arctan", "arg", "bmod",
"cos", "cosh", "cot", "coth", "csc", "deg",
@ -96,7 +107,8 @@ bool extractScript(MathData & ar,
// try to extract an "argument" to some function.
// returns position behind the argument
MathData::iterator extractArgument(MathData & ar,
MathData::iterator pos, MathData::iterator last, bool function = false)
MathData::iterator pos, MathData::iterator last,
ExternalMath kind, bool function = false)
{
// nothing to get here
if (pos == last)
@ -105,7 +117,7 @@ MathData::iterator extractArgument(MathData & ar,
// something delimited _is_ an argument
if ((*pos)->asDelimInset()) {
// leave out delimiters if this is a function argument
if (function) {
if (function && kind != MATHML) {
MathData const & arg = (*pos)->asDelimInset()->cell(0);
MathData::const_iterator cur = arg.begin();
MathData::const_iterator end = arg.end();
@ -247,23 +259,6 @@ bool extractFunctionName(MathAtom const & at, docstring & str)
}
// convert this inset somehow to a number
bool extractNumber(MathData const & ar, int & i)
{
idocstringstream is(charSequence(ar.begin(), ar.end()));
is >> i;
return is;
}
bool extractNumber(MathData const & ar, double & d)
{
idocstringstream is(charSequence(ar.begin(), ar.end()));
is >> d;
return is;
}
bool testString(MathAtom const & at, docstring const & str)
{
docstring s;
@ -525,7 +520,7 @@ void extractDelims(MathData & ar)
// replace 'f' '(...)' and 'f' '^n' '(...)' sequences by a real InsetMathExFunc
// assume 'extractDelims' ran before
void extractFunctions(MathData & ar)
void extractFunctions(MathData & ar, ExternalMath kind)
{
// we need at least two items...
if (ar.size() < 2)
@ -566,7 +561,8 @@ void extractFunctions(MathData & ar)
auto_ptr<InsetMathExFunc> p(new InsetMathExFunc(buf, name));
// jt points to the "argument". Get hold of this.
MathData::iterator st = extractArgument(p->cell(0), jt, ar.end(), true);
MathData::iterator st =
extractArgument(p->cell(0), jt, ar.end(), kind, true);
// replace the function name by a real function inset
*it = MathAtom(p.release());
@ -622,7 +618,7 @@ bool testIntDiff(MathAtom const & at)
// replace '\int' ['_^'] x 'd''x'(...)' sequences by a real InsetMathExInt
// assume 'extractDelims' ran before
void extractIntegrals(MathData & ar)
void extractIntegrals(MathData & ar, ExternalMath kind)
{
// we need at least three items...
if (ar.size() < 3)
@ -657,7 +653,7 @@ void extractIntegrals(MathData & ar)
p->cell(0) = MathData(buf, it + 1, jt);
// use the "thing" behind the 'd' as differential
MathData::iterator tt = extractArgument(p->cell(1), jt + 1, ar.end());
MathData::iterator tt = extractArgument(p->cell(1), jt + 1, ar.end(), kind);
// remove used parts
ar.erase(it + 1, tt);
@ -935,99 +931,26 @@ void extractLims(MathData & ar)
// combine searches
//
void extractStructure(MathData & ar)
void extractStructure(MathData & ar, ExternalMath kind)
{
//lyxerr << "\nStructure from: " << ar << endl;
splitScripts(ar);
extractDelims(ar);
extractIntegrals(ar);
extractIntegrals(ar, kind);
extractSums(ar);
extractNumbers(ar);
extractMatrices(ar);
extractFunctions(ar);
extractFunctions(ar, kind);
extractDets(ar);
extractDiff(ar);
extractExps(ar);
extractLims(ar);
extractStrings(ar);
if (kind != MATHML)
extractStrings(ar);
//lyxerr << "\nStructure to: " << ar << endl;
}
void write(MathData const & dat, WriteStream & wi)
{
MathData ar = dat;
extractStrings(ar);
wi.firstitem() = true;
for (MathData::const_iterator it = ar.begin(); it != ar.end(); ++it) {
(*it)->write(wi);
wi.firstitem() = false;
}
}
void normalize(MathData const & ar, NormalStream & os)
{
for (MathData::const_iterator it = ar.begin(); it != ar.end(); ++it)
(*it)->normalize(os);
}
void octave(MathData const & dat, OctaveStream & os)
{
MathData ar = dat;
extractStructure(ar);
for (MathData::const_iterator it = ar.begin(); it != ar.end(); ++it)
(*it)->octave(os);
}
void maple(MathData const & dat, MapleStream & os)
{
MathData ar = dat;
extractStructure(ar);
for (MathData::const_iterator it = ar.begin(); it != ar.end(); ++it)
(*it)->maple(os);
}
void maxima(MathData const & dat, MaximaStream & os)
{
MathData ar = dat;
extractStructure(ar);
for (MathData::const_iterator it = ar.begin(); it != ar.end(); ++it)
(*it)->maxima(os);
}
void mathematica(MathData const & dat, MathematicaStream & os)
{
MathData ar = dat;
extractStructure(ar);
for (MathData::const_iterator it = ar.begin(); it != ar.end(); ++it)
(*it)->mathematica(os);
}
void mathmlize(MathData const & dat, MathStream & os)
{
MathData ar = dat;
extractStructure(ar);
if (ar.size() == 0)
os << "<mrow/>";
else if (ar.size() == 1)
os << ar.front();
else {
os << MTag("mrow");
for (MathData::const_iterator it = ar.begin(); it != ar.end(); ++it)
(*it)->mathmlize(os);
os << ETag("mrow");
}
}
namespace {
string captureOutput(string const & cmd, string const & data)
@ -1417,6 +1340,95 @@ namespace {
}
} // anon namespace
void write(MathData const & dat, WriteStream & wi)
{
MathData ar = dat;
extractStrings(ar);
wi.firstitem() = true;
for (MathData::const_iterator it = ar.begin(); it != ar.end(); ++it) {
(*it)->write(wi);
wi.firstitem() = false;
}
}
void normalize(MathData const & ar, NormalStream & os)
{
for (MathData::const_iterator it = ar.begin(); it != ar.end(); ++it)
(*it)->normalize(os);
}
void octave(MathData const & dat, OctaveStream & os)
{
MathData ar = dat;
extractStructure(ar, OCTAVE);
for (MathData::const_iterator it = ar.begin(); it != ar.end(); ++it)
(*it)->octave(os);
}
void maple(MathData const & dat, MapleStream & os)
{
MathData ar = dat;
extractStructure(ar, MAPLE);
for (MathData::const_iterator it = ar.begin(); it != ar.end(); ++it)
(*it)->maple(os);
}
void maxima(MathData const & dat, MaximaStream & os)
{
MathData ar = dat;
extractStructure(ar, MAXIMA);
for (MathData::const_iterator it = ar.begin(); it != ar.end(); ++it)
(*it)->maxima(os);
}
void mathematica(MathData const & dat, MathematicaStream & os)
{
MathData ar = dat;
extractStructure(ar, MATHEMATICA);
for (MathData::const_iterator it = ar.begin(); it != ar.end(); ++it)
(*it)->mathematica(os);
}
void mathmlize(MathData const & dat, MathStream & os)
{
MathData ar = dat;
extractStructure(ar, MATHML);
if (ar.size() == 0)
os << "<mrow/>";
else if (ar.size() == 1)
os << ar.front();
else {
os << MTag("mrow");
for (MathData::const_iterator it = ar.begin(); it != ar.end(); ++it)
(*it)->mathmlize(os);
os << ETag("mrow");
}
}
// convert this inset somehow to a number
bool extractNumber(MathData const & ar, int & i)
{
idocstringstream is(charSequence(ar.begin(), ar.end()));
is >> i;
return is;
}
bool extractNumber(MathData const & ar, double & d)
{
idocstringstream is(charSequence(ar.begin(), ar.end()));
is >> d;
return is;
}
MathData pipeThroughExtern(string const & lang, docstring const & extra,
MathData const & ar)