X-Git-Url: https://git.lyx.org/gitweb/?a=blobdiff_plain;f=src%2Fmathed%2FMathExtern.cpp;h=311b32389533edb494223d0c3ef8a01f3737b8ba;hb=3c4e567d44e48ccfbbd1e47e7a138bd782153bf2;hp=c6447cc68f2b28a9a585682420f6b8493dc61317;hpb=86506a80eb29dd5c1f47e11c0e3ef59d0d334a2b;p=lyx.git diff --git a/src/mathed/MathExtern.cpp b/src/mathed/MathExtern.cpp index c6447cc68f..311b323895 100644 --- a/src/mathed/MathExtern.cpp +++ b/src/mathed/MathExtern.cpp @@ -3,7 +3,7 @@ * This file is part of LyX, the document processor. * Licence details can be found in the file COPYING. * - * \author André Pönitz + * \author André Pönitz * * Full author contact details are available in file CREDITS. */ @@ -16,7 +16,7 @@ #include "MathExtern.h" -#include "support/debug.h" +#include "InsetMathAMSArray.h" #include "InsetMathArray.h" #include "InsetMathChar.h" #include "InsetMathDelim.h" @@ -35,20 +35,40 @@ #include "MathParser.h" #include "MathStream.h" +#include "Encoding.h" + +#include "support/debug.h" #include "support/docstream.h" +#include "support/FileName.h" #include "support/filetools.h" +#include "support/gettext.h" #include "support/lstrings.h" -#include "support/lyxlib.h" +#include "support/TempFile.h" +#include "support/textutils.h" +#include "support/unique_ptr.h" #include #include #include +#include using namespace std; using namespace lyx::support; namespace lyx { +namespace { + +enum ExternalMath { + HTML, + MAPLE, + MAXIMA, + MATHEMATICA, + MATHML, + OCTAVE +}; + + static char const * function_names[] = { "arccos", "arcsin", "arctan", "arg", "bmod", "cos", "cosh", "cot", "coth", "csc", "deg", @@ -95,7 +115,8 @@ 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) @@ -104,7 +125,9 @@ MathData::iterator extractArgument(MathData & ar, // something delimited _is_ an argument if ((*pos)->asDelimInset()) { // leave out delimiters if this is a function argument - if (function) { + // unless we are doing MathML, in which case we do want + // the delimiters + if (function && kind != MATHML && kind != HTML) { MathData const & arg = (*pos)->asDelimInset()->cell(0); MathData::const_iterator cur = arg.begin(); MathData::const_iterator end = arg.end(); @@ -180,20 +203,31 @@ void extractMatrices(MathData & ar) //lyxerr << "\nMatrices from: " << ar << endl; // first pass for explicitly delimited stuff for (size_t i = 0; i < ar.size(); ++i) { - if (!ar[i]->asDelimInset()) + InsetMathDelim const * const inset = ar[i]->asDelimInset(); + if (!inset) continue; - MathData const & arr = ar[i]->asDelimInset()->cell(0); + MathData const & arr = inset->cell(0); if (arr.size() != 1) continue; if (!arr.front()->asGridInset()) continue; - ar[i] = MathAtom(new InsetMathMatrix(*(arr.front()->asGridInset()))); + ar[i] = MathAtom(new InsetMathMatrix(*(arr.front()->asGridInset()), + inset->left_, inset->right_)); } // second pass for AMS "pmatrix" etc - for (size_t i = 0; i < ar.size(); ++i) - if (ar[i]->asAMSArrayInset()) - ar[i] = MathAtom(new InsetMathMatrix(*(ar[i]->asGridInset()))); + for (size_t i = 0; i < ar.size(); ++i) { + InsetMathAMSArray const * const inset = ar[i]->asAMSArrayInset(); + if (inset) { + string left = inset->name_left(); + if (left == "Vert") + left = "["; + string right = inset->name_right(); + if (right == "Vert") + right = "]"; + ar[i] = MathAtom(new InsetMathMatrix(*inset, from_ascii(left), from_ascii(right))); + } + } //lyxerr << "\nMatrices to: " << ar << endl; } @@ -246,23 +280,6 @@ 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; @@ -300,9 +317,9 @@ void replaceNested( MathData & ar, TestItemFunc testOpen, TestItemFunc testClose, - ReplaceArgumentFunc replaceArg -) + ReplaceArgumentFunc replaceArg) { + Buffer * buf = ar.buffer(); // use indices rather than iterators for the loop because we are going // to modify the array. for (size_t i = 0; i < ar.size(); ++i) { @@ -317,7 +334,7 @@ void replaceNested( continue; // replace the original stuff by the new inset - ar[i] = replaceArg(MathData(it + 1, jt)); + ar[i] = replaceArg(MathData(buf, it + 1, jt)); ar.erase(it + 1, jt + 1); } } @@ -325,12 +342,13 @@ void replaceNested( // -// split scripts into seperate super- and subscript insets. sub goes in +// split scripts into separate super- and subscript insets. sub goes in // front of super... // void splitScripts(MathData & ar) { + Buffer * buf = ar.buffer(); //lyxerr << "\nScripts from: " << ar << endl; for (size_t i = 0; i < ar.size(); ++i) { InsetMathScript const * script = ar[i]->asScriptInset(); @@ -340,7 +358,7 @@ void splitScripts(MathData & ar) continue; // we must have a nucleus if we only have a superscript - if (!script->hasDown() && script->nuc().size() == 0) + if (!script->hasDown() && script->nuc().empty()) continue; if (script->nuc().size() == 1) { @@ -353,7 +371,7 @@ void splitScripts(MathData & ar) // create extra script inset and move superscript over InsetMathScript * p = ar[i].nucleus()->asScriptInset(); - auto_ptr q(new InsetMathScript(true)); + auto q = make_unique(buf, true); swap(q->up(), p->up()); p->removeScript(true); @@ -381,6 +399,7 @@ void splitScripts(MathData & ar) void extractExps(MathData & ar) { + Buffer * buf = ar.buffer(); //lyxerr << "\nExps from: " << ar << endl; for (size_t i = 0; i + 1 < ar.size(); ++i) { // is this 'e'? @@ -393,7 +412,7 @@ void extractExps(MathData & ar) continue; // create a proper exp-inset as replacement - ar[i] = MathAtom(new InsetMathExFunc(from_ascii("exp"), sup->cell(1))); + ar[i] = MathAtom(new InsetMathExFunc(buf, from_ascii("exp"), sup->cell(1))); ar.erase(i + 1); } //lyxerr << "\nExps to: " << ar << endl; @@ -405,6 +424,7 @@ void extractExps(MathData & ar) // void extractDets(MathData & ar) { + Buffer * buf = ar.buffer(); //lyxerr << "\ndet from: " << ar << endl; for (MathData::iterator it = ar.begin(); it != ar.end(); ++it) { InsetMathDelim const * del = (*it)->asDelimInset(); @@ -412,7 +432,7 @@ void extractDets(MathData & ar) continue; if (!del->isAbs()) continue; - *it = MathAtom(new InsetMathExFunc(from_ascii("det"), del->cell(0))); + *it = MathAtom(new InsetMathExFunc(buf, from_ascii("det"), del->cell(0))); } //lyxerr << "\ndet to: " << ar << endl; } @@ -479,7 +499,8 @@ bool testCloseParen(MathAtom const & at) MathAtom replaceParenDelims(const MathData & ar) { - return MathAtom(new InsetMathDelim(from_ascii("("), from_ascii(")"), ar)); + return MathAtom(new InsetMathDelim(const_cast(ar.buffer()), + from_ascii("("), from_ascii(")"), ar)); } @@ -497,7 +518,8 @@ bool testCloseBracket(MathAtom const & at) MathAtom replaceBracketDelims(const MathData & ar) { - return MathAtom(new InsetMathDelim(from_ascii("["), from_ascii("]"), ar)); + return MathAtom(new InsetMathDelim(const_cast(ar.buffer()), + from_ascii("["), from_ascii("]"), ar)); } @@ -519,12 +541,17 @@ 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) { + // FIXME From what I can see, this is quite broken right now, for reasons + // I will note below. (RGH) + // we need at least two items... if (ar.size() < 2) return; + Buffer * buf = ar.buffer(); + //lyxerr << "\nFunctions from: " << ar << endl; for (size_t i = 0; i + 1 < ar.size(); ++i) { MathData::iterator it = ar.begin() + i; @@ -533,9 +560,26 @@ void extractFunctions(MathData & ar) docstring name; // is it a function? // it certainly is if it is well known... + + // FIXME This will never give us anything. When we get here, *it will + // never point at a string, but only at a character. I.e., if we are + // working on "sin(x)", then we are seeing: + // [char s mathalpha][char i mathalpha][char n mathalpha][delim ( ) [char x mathalpha]] + // and of course we will not find the function name "sin" in there, but + // rather "n(x)". + // + // It appears that we original ran extractStrings() before we ran + // extractFunctions(), but Andre changed this at f200be55, I think + // because this messed up what he was trying to do with "dx" in the + // context of integrals. + // + // This could be fixed by looking at a charSequence instead of just at + // the various characters, one by one. But I am not sure I understand + // exactly what we are trying to do here. And it involves a lot of + // guessing. if (!extractFunctionName(*it, name)) { // is this a user defined function? - // it it probably not, if it doesn't have a name. + // probably not, if it doesn't have a name. if (!extractString(*it, name)) continue; // it is not if it has no argument @@ -546,7 +590,7 @@ void extractFunctions(MathData & ar) InsetMathDelim const * del = (*jt)->asDelimInset(); if (!del || del->cell(0).size() != 1) continue; - // fall trough into main branch + // fall through into main branch } // do we have an exponent like in @@ -555,10 +599,11 @@ void extractFunctions(MathData & ar) extractScript(exp, jt, ar.end(), true); // create a proper inset as replacement - auto_ptr p(new InsetMathExFunc(name)); + auto p = make_unique(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()); @@ -600,7 +645,7 @@ bool testIntegral(MathAtom const & at) return testIntSymbol(at) || ( at->asScriptInset() - && at->asScriptInset()->nuc().size() + && !at->asScriptInset()->nuc().empty() && testIntSymbol(at->asScriptInset()->nuc().back()) ); } @@ -614,12 +659,14 @@ 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) return; + Buffer * buf = ar.buffer(); + //lyxerr << "\nIntegrals from: " << ar << endl; for (size_t i = 0; i + 1 < ar.size(); ++i) { MathData::iterator it = ar.begin() + i; @@ -636,18 +683,18 @@ void extractIntegrals(MathData & ar) if (!testIntegral(*it)) continue; - // core ist part from behind the scripts to the 'd' - auto_ptr p(new InsetMathExInt(from_ascii("int"))); + // core is part from behind the scripts to the 'd' + auto p = make_unique(buf, from_ascii("int")); // handle scripts if available if (!testIntSymbol(*it)) { p->cell(2) = (*it)->asScriptInset()->down(); p->cell(3) = (*it)->asScriptInset()->up(); } - p->cell(0) = MathData(it + 1, jt); + 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); @@ -698,7 +745,7 @@ bool testSum(MathAtom const & at) return testSumSymbol(at) || ( at->asScriptInset() - && at->asScriptInset()->nuc().size() + && !at->asScriptInset()->nuc().empty() && testSumSymbol(at->asScriptInset()->nuc().back()) ); } @@ -711,6 +758,8 @@ void extractSums(MathData & ar) if (ar.size() < 2) return; + Buffer * buf = ar.buffer(); + //lyxerr << "\nSums from: " << ar << endl; for (size_t i = 0; i + 1 < ar.size(); ++i) { MathData::iterator it = ar.begin() + i; @@ -720,23 +769,23 @@ void extractSums(MathData & ar) continue; // create a proper inset as replacement - auto_ptr p(new InsetMathExInt(from_ascii("sum"))); + auto p = make_unique(buf, from_ascii("sum")); // collect lower bound and summation index InsetMathScript const * sub = ar[i]->asScriptInset(); if (sub && sub->hasDown()) { // try to figure out the summation index from the subscript - MathData const & ar = sub->down(); + MathData const & md = sub->down(); MathData::const_iterator xt = - find_if(ar.begin(), ar.end(), &testEqualSign); - if (xt != ar.end()) { + find_if(md.begin(), md.end(), &testEqualSign); + if (xt != md.end()) { // we found a '=', use everything in front of that as index, // and everything behind as lower index - p->cell(1) = MathData(ar.begin(), xt); - p->cell(2) = MathData(xt + 1, ar.end()); + p->cell(1) = MathData(buf, md.begin(), xt); + p->cell(2) = MathData(buf, xt + 1, md.end()); } else { // use everything as summation index, don't use scripts. - p->cell(1) = ar; + p->cell(1) = md; } } @@ -777,7 +826,7 @@ bool testDiffItem(MathAtom const & at) bool testDiffArray(MathData const & ar) { - return ar.size() && testDiffItem(ar.front()); + return !ar.empty() && testDiffItem(ar.front()); } @@ -792,6 +841,7 @@ bool testDiffFrac(MathAtom const & at) void extractDiff(MathData & ar) { + Buffer * buf = ar.buffer(); //lyxerr << "\nDiffs from: " << ar << endl; for (size_t i = 0; i < ar.size(); ++i) { MathData::iterator it = ar.begin() + i; @@ -807,7 +857,7 @@ void extractDiff(MathData & ar) } // create a proper diff inset - auto_ptr diff(new InsetMathDiff); + auto diff = make_unique(buf); // collect function, let jt point behind last used item MathData::iterator jt = it + 1; @@ -819,13 +869,13 @@ void extractDiff(MathData & ar) // FIXME //n = 1; if (numer.size() > 2) - diff->cell(0) = MathData(numer.begin() + 2, numer.end()); + diff->cell(0) = MathData(buf, numer.begin() + 2, numer.end()); else jt = extractTerm(diff->cell(0), jt, ar.end()); } else { // simply d f(x) / d... or d/d... if (numer.size() > 1) - diff->cell(0) = MathData(numer.begin() + 1, numer.end()); + diff->cell(0) = MathData(buf, numer.begin() + 1, numer.end()); else jt = extractTerm(diff->cell(0), jt, ar.end()); } @@ -846,12 +896,16 @@ void extractDiff(MathData & ar) int mult = 1; if (extractNumber(script->up(), mult)) { //lyxerr << "mult: " << mult << endl; - for (int i = 0; i < mult; ++i) - diff->addDer(MathData(dt + 1, st)); + if (mult < 0 || mult > 1000) { + lyxerr << "Cannot differentiate less than 0 or more than 1000 times !" << endl; + continue; + } + for (int ii = 0; ii < mult; ++ii) + diff->addDer(MathData(buf, dt + 1, st)); } } else { // just d.../dx - diff->addDer(MathData(dt + 1, et)); + diff->addDer(MathData(buf, dt + 1, et)); } dt = et; } @@ -880,6 +934,7 @@ bool testRightArrow(MathAtom const & at) // assume 'extractDelims' ran before void extractLims(MathData & ar) { + Buffer * buf = ar.buffer(); //lyxerr << "\nLimits from: " << ar << endl; for (size_t i = 0; i < ar.size(); ++i) { MathData::iterator it = ar.begin() + i; @@ -900,8 +955,8 @@ void extractLims(MathData & ar) continue; // the -> splits the subscript int x and x0 - MathData x = MathData(s.begin(), st); - MathData x0 = MathData(st + 1, s.end()); + MathData x = MathData(buf, s.begin(), st); + MathData x0 = MathData(buf, st + 1, s.end()); // use something behind the script as core MathData f; @@ -911,7 +966,7 @@ void extractLims(MathData & ar) ar.erase(it + 1, tt); // create a proper inset as replacement - *it = MathAtom(new InsetMathLim(f, x, x0)); + *it = MathAtom(new InsetMathLim(buf, f, x, x0)); } //lyxerr << "\nLimits to: " << ar << endl; } @@ -921,106 +976,42 @@ void extractLims(MathData & ar) // combine searches // -void extractStructure(MathData & ar) +void extractStructure(MathData & ar, ExternalMath kind) { //lyxerr << "\nStructure from: " << ar << endl; - splitScripts(ar); + if (kind != MATHML && kind != HTML) + splitScripts(ar); extractDelims(ar); - extractIntegrals(ar); - extractSums(ar); + extractIntegrals(ar, kind); + if (kind != MATHML && kind != HTML) + extractSums(ar); extractNumbers(ar); extractMatrices(ar); - extractFunctions(ar); - extractDets(ar); - extractDiff(ar); - extractExps(ar); - extractLims(ar); - 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 << ""; - 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"); + if (kind != MATHML && kind != HTML) { + extractFunctions(ar, kind); + extractDets(ar); + extractDiff(ar); + extractExps(ar); + extractLims(ar); + extractStrings(ar); } + //lyxerr << "\nStructure to: " << ar << endl; } - - namespace { string captureOutput(string const & cmd, string const & data) { // In order to avoid parsing problems with command interpreters // we pass input data through a file - FileName const cas_tmpfile = FileName::tempName("casinput"); + // Since the CAS is supposed to read the temp file we need + // to unlock it on windows (bug 10262). + unique_ptr tempfile(new TempFile("casinput")); + tempfile->setAutoRemove(false); + FileName const cas_tmpfile = tempfile->name(); + tempfile.reset(); + if (cas_tmpfile.empty()) { lyxerr << "Warning: cannot create temporary file." << endl; @@ -1125,7 +1116,7 @@ namespace { if (tmp.size() < 2) return MathData(); - out = subst(tmp[1], "\\>", string()); + out = subst(subst(tmp[1], "\\>", string()), "{\\it ", "\\mathit{"); lyxerr << "output: '" << out << "'" << endl; // Ugly code that tries to make the result prettier @@ -1138,12 +1129,11 @@ namespace { string mid = out.substr(i + 13, j - i - 13); if (mid.find("\\over") != npos) mid = '{' + mid + '}'; - out = out.substr(0,i) + out = out.substr(0, i) + mid + out.substr(k + 1); //lyxerr << "output: " << out << endl; i = out.find("\\mathchoice", i); - break; } i = out.find("\\over"); @@ -1154,10 +1144,10 @@ namespace { size_t k = get_matching_brace(out, i + 5); if (k == npos || k + 1 == out.size()) break; - out = out.substr(0,j - 1) + out = out.substr(0, j - 1) + "\\frac" - + out.substr(j,i - j) - + out.substr(i + 5,k - i - 4) + + out.substr(j, i - j) + + out.substr(i + 5, k - i - 4) + out.substr(k + 2); //lyxerr << "output: " << out << endl; i = out.find("\\over", i + 4); @@ -1221,7 +1211,7 @@ namespace { istringstream is(out); string line; getline(is, line); - if (line.find("on line") != 0) + if (!prefixIs(line, "on line")) break; // error message not identified getline(is, line); size_t pos = line.find('^'); @@ -1253,7 +1243,8 @@ namespace { vs << ar; string expr = to_utf8(os.str()); string out; - + // FIXME const cast + Buffer * buf = const_cast(ar.buffer()); lyxerr << "pipe: ar: '" << ar << "'\n" << "pipe: expr: '" << expr << "'" << endl; @@ -1303,13 +1294,14 @@ namespace { out = out.substr(i + 6); // parse output as matrix or single number - MathAtom at(new InsetMathArray(from_ascii("array"), from_utf8(out))); + MathAtom at(new InsetMathArray(buf, from_ascii("array"), from_utf8(out))); InsetMathArray const * mat = at->asArrayInset(); - MathData res; + MathData res(buf); if (mat->ncols() == 1 && mat->nrows() == 1) res.append(mat->cell(0)); else { - res.push_back(MathAtom(new InsetMathDelim(from_ascii("("), from_ascii(")")))); + res.push_back(MathAtom( + new InsetMathDelim(buf, from_ascii("("), from_ascii(")")))); res.back().nucleus()->cell(0).push_back(at); } return res; @@ -1399,6 +1391,249 @@ namespace { return res; } +} // namespace + +} // namespace + +void write(MathData const & dat, WriteStream & wi) +{ + wi.firstitem() = true; + docstring s; + for (MathData::const_iterator it = dat.begin(); it != dat.end(); ++it) { + InsetMathChar const * const c = (*it)->asCharInset(); + if (c) + s += c->getChar(); + else { + if (!s.empty()) { + writeString(s, wi); + s.clear(); + } + (*it)->write(wi); + wi.firstitem() = false; + } + } + if (!s.empty()) { + writeString(s, wi); + wi.firstitem() = false; + } +} + + +void writeString(docstring const & s, WriteStream & os) +{ + if (!os.latex()) { + os << (os.asciiOnly() ? escape(s) : s); + return; + } + + if (os.lockedMode()) { + bool space; + docstring cmd; + for (char_type c : s) { + try { + Encodings::latexMathChar(c, true, os.encoding(), cmd, space); + os << cmd; + os.pendingSpace(space); + } catch (EncodingException const & e) { + switch (os.output()) { + case WriteStream::wsDryrun: { + os << "<" << _("LyX Warning: ") + << _("uncodable character") << " '"; + os << docstring(1, e.failed_char); + os << "'>"; + break; + } + case WriteStream::wsPreview: { + // indicate the encoding error by a boxed '?' + os << "{\\fboxsep=1pt\\fbox{?}}"; + LYXERR0("Uncodable character" << " '" + << docstring(1, e.failed_char) + << "'"); + break; + } + case WriteStream::wsDefault: + default: + // throw again + throw(e); + } + } + } + return; + } + + // We may already be inside an \ensuremath command. + bool in_forced_mode = os.pendingBrace(); + + // We will take care of matching braces. + os.pendingBrace(false); + + for (char_type const c : s) { + bool mathmode = in_forced_mode ? os.textMode() : !os.textMode(); + docstring command(1, c); + try { + bool termination = false; + if (isASCII(c) || + Encodings::latexMathChar(c, mathmode, os.encoding(), command, termination)) { + if (os.textMode()) { + if (in_forced_mode) { + // we were inside \lyxmathsym + os << '}'; + os.textMode(false); + in_forced_mode = false; + } + if (!isASCII(c) && os.textMode()) { + os << "\\ensuremath{"; + os.textMode(false); + in_forced_mode = true; + } + } else if (isASCII(c) && in_forced_mode) { + // we were inside \ensuremath + os << '}'; + os.textMode(true); + in_forced_mode = false; + } + } else if (!os.textMode()) { + if (in_forced_mode) { + // we were inside \ensuremath + os << '}'; + in_forced_mode = false; + } else { + os << "\\lyxmathsym{"; + in_forced_mode = true; + } + os.textMode(true); + } + os << command; + // We may need a space if the command contains a macro + // and the last char is ASCII. + if (termination) + os.pendingSpace(true); + } catch (EncodingException const & e) { + switch (os.output()) { + case WriteStream::wsDryrun: { + os << "<" << _("LyX Warning: ") + << _("uncodable character") << " '"; + os << docstring(1, e.failed_char); + os << "'>"; + break; + } + case WriteStream::wsPreview: { + // indicate the encoding error by a boxed '?' + os << "{\\fboxsep=1pt\\fbox{?}}"; + LYXERR0("Uncodable character" << " '" + << docstring(1, e.failed_char) + << "'"); + break; + } + case WriteStream::wsDefault: + default: + // throw again + throw(e); + } + } + } + + if (in_forced_mode && os.textMode()) { + // We have to care for closing \lyxmathsym + os << '}'; + os.textMode(false); + } else { + os.pendingBrace(in_forced_mode); + } +} + + +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 & ms) +{ + MathData ar = dat; + extractStructure(ar, MATHML); + if (ar.empty()) + ms << "<" << from_ascii(ms.namespacedTag("mrow")) << "/>"; + else if (ar.size() == 1) + ms << ar.front(); + else { + ms << MTag("mrow"); + for (MathData::const_iterator it = ar.begin(); it != ar.end(); ++it) + (*it)->mathmlize(ms); + ms << ETag("mrow"); + } +} + + +void htmlize(MathData const & dat, HtmlStream & os) +{ + MathData ar = dat; + extractStructure(ar, HTML); + if (ar.empty()) + return; + if (ar.size() == 1) { + os << ar.front(); + return; + } + for (MathData::const_iterator it = ar.begin(); it != ar.end(); ++it) + (*it)->htmlize(os); +} + + +// convert this inset somehow to a number +bool extractNumber(MathData const & ar, int & i) +{ + idocstringstream is(charSequence(ar.begin(), ar.end())); + is >> i; + // Do not convert is implicitly to bool, since that is forbidden in C++11. + return !is.fail(); +} + + +bool extractNumber(MathData const & ar, double & d) +{ + idocstringstream is(charSequence(ar.begin(), ar.end())); + is >> d; + // Do not convert is implicitly to bool, since that is forbidden in C++11. + return !is.fail(); } @@ -1434,7 +1669,7 @@ MathData pipeThroughExtern(string const & lang, docstring const & extra, } // run external sript - string out = captureOutput(file.absFilename(), data); + string out = captureOutput(file.absFileName(), data); MathData res; mathed_parse_cell(res, from_utf8(out)); return res;