* 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.
*/
\else
\def\b{}\def\e{}
\fi
-
...
\[\begin{array}{ccc}
#include "InsetMathColor.h"
#include "InsetMathComment.h"
#include "InsetMathDelim.h"
+#include "InsetMathEnsureMath.h"
#include "InsetMathEnv.h"
+#include "InsetMathFrac.h"
#include "InsetMathKern.h"
#include "MathMacro.h"
#include "InsetMathPar.h"
#include "InsetMathRef.h"
#include "InsetMathRoot.h"
#include "InsetMathScript.h"
+#include "InsetMathSpace.h"
#include "InsetMathSplit.h"
#include "InsetMathSqrt.h"
#include "InsetMathTabular.h"
#include "MathMacroArgument.h"
#include "MathSupport.h"
+#include "Encoding.h"
#include "Lexer.h"
-#include "debug.h"
+#include "support/debug.h"
#include "support/convert.h"
+#include "support/docstream.h"
+#include "support/lstrings.h"
#include <sstream>
+//#define FILEDEBUG
-namespace lyx {
-
-using std::endl;
-using std::fill;
-
-using std::string;
-using std::ios;
-using std::istream;
-using std::ostream;
-using std::vector;
-
+using namespace std;
-//#define FILEDEBUG
+namespace lyx {
+using support::subst;
namespace {
}
+docstring escapeSpecialChars(docstring const & str, bool textmode)
+{
+ docstring const backslash = textmode ? from_ascii("\\textbackslash ")
+ : from_ascii("\\backslash ");
+ docstring const caret = textmode ? from_ascii("\\textasciicircum ")
+ : from_ascii("\\mathcircumflex ");
+
+ return subst(subst(subst(subst(subst(subst(subst(subst(subst(str,
+ from_ascii("\\"), backslash),
+ from_ascii("^"), caret),
+ from_ascii("_"), from_ascii("\\_")),
+ from_ascii("$"), from_ascii("\\$")),
+ from_ascii("#"), from_ascii("\\#")),
+ from_ascii("&"), from_ascii("\\&")),
+ from_ascii("%"), from_ascii("\\%")),
+ from_ascii("{"), from_ascii("\\{")),
+ from_ascii("}"), from_ascii("\\}"));
+}
+
+
/*!
* Add the row \p cellrow to \p grid.
* \returns wether the row could be added. Adding a row can fail for
* environments like "equation" that have a fixed number of rows.
*/
bool addRow(InsetMathGrid & grid, InsetMathGrid::row_type & cellrow,
- docstring const & vskip, bool allow_pagebreak = true)
+ docstring const & vskip, bool allow_newpage_ = true)
{
++cellrow;
if (cellrow == grid.nrows()) {
lyxerr << "ignoring extra row";
if (!vskip.empty())
lyxerr << " with extra space " << to_utf8(vskip);
- if (!allow_pagebreak)
+ if (!allow_newpage_)
lyxerr << " with no page break allowed";
lyxerr << '.' << endl;
return false;
}
}
grid.vcrskip(Length(to_utf8(vskip)), cellrow - 1);
- grid.rowinfo(cellrow - 1).allow_pagebreak_ = allow_pagebreak;
+ grid.rowinfo(cellrow - 1).allow_newpage_ = allow_newpage_;
return true;
}
++cellcol;
if (cellcol == grid.ncols()) {
//lyxerr << "adding column " << cellcol << endl;
- grid.addCol(cellcol - 1);
+ grid.addCol(cellcol);
if (cellcol == grid.ncols()) {
// We can't add a column to this grid, so let's
// append the content of this cell to the previous
FLAG_END = 1 << 3, // next \\end ends the parsing process
FLAG_BRACK_LAST = 1 << 4, // next closing bracket ends the parsing
FLAG_TEXTMODE = 1 << 5, // we are in a box
- FLAG_ITEM = 1 << 6, // read a (possibly braced token)
+ FLAG_ITEM = 1 << 6, // read a (possibly braced) token
FLAG_LEAVE = 1 << 7, // leave the loop at the end
FLAG_SIMPLE = 1 << 8, // next $ leaves the loop
FLAG_EQUATION = 1 << 9, // next \] leaves the loop
public:
///
typedef InsetMath::mode_type mode_type;
+ ///
+ typedef Parse::flags parse_mode;
///
- Parser(Lexer & lex);
+ Parser(Lexer & lex, parse_mode mode);
/// Only use this for reading from .lyx file format, for the reason
- /// see Parser::tokenize(std::istream &).
- Parser(istream & is);
+ /// see Parser::tokenize(istream &).
+ Parser(istream & is, parse_mode mode);
///
- Parser(docstring const & str);
+ Parser(docstring const & str, parse_mode mode);
///
bool parse(MathAtom & at);
///
- void parse(MathData & array, unsigned flags, mode_type mode);
+ bool parse(MathData & array, unsigned flags, mode_type mode);
///
- void parse1(InsetMathGrid & grid, unsigned flags, mode_type mode,
+ bool parse1(InsetMathGrid & grid, unsigned flags, mode_type mode,
bool numbered);
///
MathData parse(unsigned flags, mode_type mode);
unsigned pos_;
/// Stack of active environments
vector<docstring> environments_;
+ ///
+ parse_mode mode_;
+ ///
+ bool success_;
};
-Parser::Parser(Lexer & lexer)
- : lineno_(lexer.getLineNo()), pos_(0)
+Parser::Parser(Lexer & lexer, parse_mode mode)
+ : lineno_(lexer.lineNumber()), pos_(0), mode_(mode), success_(true)
{
tokenize(lexer.getStream());
lexer.eatLine();
}
-Parser::Parser(istream & is)
- : lineno_(0), pos_(0)
+Parser::Parser(istream & is, parse_mode mode)
+ : lineno_(0), pos_(0), mode_(mode), success_(true)
{
tokenize(is);
}
-Parser::Parser(docstring const & str)
- : lineno_(0), pos_(0)
+Parser::Parser(docstring const & str, parse_mode mode)
+ : lineno_(0), pos_(0), mode_(mode), success_(true)
{
tokenize(str);
}
char_type Parser::getChar()
{
- if (!good())
+ if (!good()) {
error("The input stream is not well...");
+ putback();
+ return 0;
+ }
return tokens_[pos_++].character();
}
void Parser::tokenize(docstring const & buffer)
{
- idocstringstream is(buffer, ios::in | ios::binary);
+ idocstringstream is(mode_ & Parse::VERBATIM
+ ? escapeSpecialChars(buffer, mode_ & Parse::TEXTMODE)
+ : buffer, ios::in | ios::binary);
char_type c;
while (is.get(c)) {
}
case catIgnore: {
- lyxerr << "ignoring a char: " << int(c) << endl;
+ if (!(mode_ & Parse::QUIET))
+ lyxerr << "ignoring a char: " << int(c) << endl;
break;
}
void Parser::error(string const & msg)
{
- lyxerr << "Line ~" << lineno_ << ": Math parse error: " << msg << endl;
- dump();
- //exit(1);
+ success_ = false;
+ if (!(mode_ & Parse::QUIET)) {
+ lyxerr << "Line ~" << lineno_ << ": Math parse error: "
+ << msg << endl;
+ dump();
+ }
}
MathData ar;
parse(ar, false, InsetMath::UNDECIDED_MODE);
if (ar.size() != 1 || ar.front()->getType() == hullNone) {
- lyxerr << "unusual contents found: " << ar << endl;
+ if (!(mode_ & Parse::QUIET))
+ lyxerr << "unusual contents found: " << ar << endl;
at = MathAtom(new InsetMathPar(ar));
//if (at->nargs() > 0)
// at.nucleus()->cell(0) = ar;
//else
// lyxerr << "unusual contents found: " << ar << endl;
- return true;
- }
- at = ar[0];
- return true;
+ success_ = false;
+ } else
+ at = ar[0];
+ return success_;
}
putback();
res += '{' + parse_verbatim_item() + '}';
} else
- res += t.asString();
+ res += t.asInput();
}
}
return res;
res += '{' + parse_verbatim_item() + '}';
}
else
- res += t.asString();
+ res += t.asInput();
}
}
return res;
}
-void Parser::parse(MathData & array, unsigned flags, mode_type mode)
+bool Parser::parse(MathData & array, unsigned flags, mode_type mode)
{
InsetMathGrid grid(1, 1);
parse1(grid, flags, mode, false);
array = grid.cell(0);
+ return success_;
}
}
-void Parser::parse1(InsetMathGrid & grid, unsigned flags,
+bool Parser::parse1(InsetMathGrid & grid, unsigned flags,
const mode_type mode, const bool numbered)
{
int limits = 0;
// skip the brace and collect everything to the next matching
// closing brace
parse1(grid, FLAG_BRACE_LAST, mode, numbered);
- return;
+ return success_;
}
// handle only this single token, leave the loop if done
if (t.cat() != catBegin) {
error("opening brace expected");
- return;
+ return success_;
}
// skip the brace and collect everything to the next matching
// no option found, put back token and we are done
putback();
}
- return;
+ return success_;
}
//
} else {
// simple $...$ stuff
putback();
- cell->push_back(MathAtom(new InsetMathHull(hullSimple)));
- parse2(cell->back(), FLAG_SIMPLE, InsetMath::MATH_MODE, false);
+ if (mode == InsetMath::UNDECIDED_MODE) {
+ cell->push_back(MathAtom(new InsetMathHull(hullSimple)));
+ parse2(cell->back(), FLAG_SIMPLE, InsetMath::MATH_MODE, false);
+ } else {
+ // Don't create nested math hulls (bug #5392)
+ cell->push_back(MathAtom(new InsetMathEnsureMath));
+ parse(cell->back().nucleus()->cell(0), FLAG_SIMPLE, InsetMath::MATH_MODE);
+ }
}
}
else if (flags & FLAG_SIMPLE) {
// this is the end of the formula
- return;
+ return success_;
}
else {
else if (t.cat() == catEnd) {
if (flags & FLAG_BRACE_LAST)
- return;
+ return success_;
error("found '}' unexpectedly");
- //BOOST_ASSERT(false);
+ //LASSERT(false, /**/);
//add(cell, '}', LM_TC_TEX);
}
//lyxerr << " column now " << (cellcol + 1)
// << " max: " << grid.ncols() << endl;
if (flags & FLAG_ALIGN)
- return;
+ return success_;
if (addCol(grid, cellcol))
cell = &grid.cell(grid.index(cellrow, cellcol));
}
else if (t.character() == ']' && (flags & FLAG_BRACK_LAST)) {
//lyxerr << "finished reading option" << endl;
- return;
+ return success_;
}
- else if (t.cat() == catOther)
- cell->push_back(MathAtom(new InsetMathChar(t.character())));
+ else if (t.cat() == catOther) {
+ char_type c = t.character();
+ if (isAsciiOrMathAlpha(c)
+ || mode_ & Parse::VERBATIM
+ || !(mode_ & Parse::USETEXT)
+ || mode == InsetMath::TEXT_MODE) {
+ cell->push_back(MathAtom(new InsetMathChar(c)));
+ } else {
+ MathAtom at = createInsetMath("text");
+ at.nucleus()->cell(0).push_back(MathAtom(new InsetMathChar(c)));
+ while (nextToken().cat() == catOther
+ && !isAsciiOrMathAlpha(nextToken().character())) {
+ c = getToken().character();
+ at.nucleus()->cell(0).push_back(MathAtom(new InsetMathChar(c)));
+ }
+ cell->push_back(at);
+ }
+ }
else if (t.cat() == catComment) {
docstring s;
cell->back().nucleus()->lock(true);
}
- else if (t.cs() == "def" ||
- t.cs() == "newcommand" ||
- t.cs() == "renewcommand")
- {
- docstring const type = t.cs();
- docstring name;
+ else if ((t.cs() == "global" && nextToken().cs() == "def") ||
+ t.cs() == "def") {
+ if (t.cs() == "global")
+ getToken();
+
+ // get name
+ docstring name = getToken().cs();
+
+ // read parameters
+ int nargs = 0;
+ docstring pars;
+ while (good() && nextToken().cat() != catBegin) {
+ pars += getToken().cs();
+ ++nargs;
+ }
+ nargs /= 2;
+
+ // read definition
+ MathData def;
+ parse(def, FLAG_ITEM, InsetMath::UNDECIDED_MODE);
+
+ // is a version for display attached?
+ skipSpaces();
+ MathData display;
+ if (nextToken().cat() == catBegin)
+ parse(display, FLAG_ITEM, InsetMath::MATH_MODE);
+
+ cell->push_back(MathAtom(new MathMacroTemplate(name, nargs,
+ 0, MacroTypeDef, vector<MathData>(), def, display)));
+ }
+
+ else if (t.cs() == "newcommand" ||
+ t.cs() == "renewcommand" ||
+ t.cs() == "newlyxcommand") {
+ // get name
+ if (getToken().cat() != catBegin) {
+ error("'{' in \\newcommand expected (1) ");
+ return success_;
+ }
+ docstring name = getToken().cs();
+ if (getToken().cat() != catEnd) {
+ error("'}' in \\newcommand expected");
+ return success_;
+ }
+
+ // get arity
+ docstring const arg = getArg('[', ']');
int nargs = 0;
- if (t.cs() == "def") {
- // get name
+ if (!arg.empty())
+ nargs = convert<int>(arg);
+
+ // optional argument given?
+ skipSpaces();
+ int optionals = 0;
+ vector<MathData> optionalValues;
+ while (nextToken().character() == '[') {
+ getToken();
+ optionalValues.push_back(MathData());
+ parse(optionalValues[optionals], FLAG_BRACK_LAST, mode);
+ ++optionals;
+ }
+
+ MathData def;
+ parse(def, FLAG_ITEM, InsetMath::UNDECIDED_MODE);
+
+ // is a version for display attached?
+ skipSpaces();
+ MathData display;
+ if (nextToken().cat() == catBegin)
+ parse(display, FLAG_ITEM, InsetMath::MATH_MODE);
+
+ cell->push_back(MathAtom(new MathMacroTemplate(name, nargs,
+ optionals, MacroTypeNewcommand, optionalValues, def, display)));
+
+ }
+
+ else if (t.cs() == "newcommandx" ||
+ t.cs() == "renewcommandx") {
+ // \newcommandx{\foo}[2][usedefault, addprefix=\global,1=default]{#1,#2}
+ // get name
+ docstring name;
+ if (nextToken().cat() == catBegin) {
+ getToken();
name = getToken().cs();
-
- // read parameter
- docstring pars;
- while (good() && nextToken().cat() != catBegin) {
- pars += getToken().cs();
- ++nargs;
- }
- nargs /= 2;
- //lyxerr << "read \\def parameter list '" << pars << "'" << endl;
-
- } else { // t.cs() == "newcommand" || t.cs() == "renewcommand"
-
- if (getToken().cat() != catBegin) {
- error("'{' in \\newcommand expected (1) ");
- return;
+ if (getToken().cat() != catEnd) {
+ error("'}' in \\newcommandx expected");
+ return success_;
}
-
+ } else
name = getToken().cs();
-
- if (getToken().cat() != catEnd) {
- error("'}' in \\newcommand expected");
- return;
+
+ // get arity
+ docstring const arg = getArg('[', ']');
+ if (arg.empty()) {
+ error("[num] in \\newcommandx expected");
+ return success_;
+ }
+ int nargs = convert<int>(arg);
+
+ // get options
+ int optionals = 0;
+ vector<MathData> optionalValues;
+ if (nextToken().character() == '[') {
+ // skip '['
+ getToken();
+
+ // handle 'opt=value' options, separated by ','.
+ skipSpaces();
+ while (nextToken().character() != ']' && good()) {
+ if (nextToken().character() >= '1'
+ && nextToken().character() <= '9') {
+ // optional value -> get parameter number
+ int n = getChar() - '0';
+ if (n > nargs) {
+ error("Arity of \\newcommandx too low "
+ "for given optional parameter.");
+ return success_;
+ }
+
+ // skip '='
+ if (getToken().character() != '=') {
+ error("'=' and optional parameter value "
+ "expected for \\newcommandx");
+ return success_;
+ }
+
+ // get value
+ int optNum = max(size_t(n), optionalValues.size());
+ optionalValues.resize(optNum);
+ optionalValues[n - 1].clear();
+ while (nextToken().character() != ']'
+ && nextToken().character() != ',') {
+ MathData data;
+ parse(data, FLAG_ITEM, InsetMath::UNDECIDED_MODE);
+ optionalValues[n - 1].append(data);
+ }
+ optionals = max(n, optionals);
+ } else if (nextToken().cat() == catLetter) {
+ // we in fact ignore every non-optional
+ // parameter
+
+ // get option name
+ docstring opt;
+ while (nextToken().cat() == catLetter)
+ opt += getChar();
+
+ // value?
+ skipSpaces();
+ MathData value;
+ if (nextToken().character() == '=') {
+ getToken();
+ while (nextToken().character() != ']'
+ && nextToken().character() != ',')
+ parse(value, FLAG_ITEM,
+ InsetMath::UNDECIDED_MODE);
+ }
+ } else {
+ error("option for \\newcommandx expected");
+ return success_;
+ }
+
+ // skip komma
+ skipSpaces();
+ if (nextToken().character() == ',') {
+ getChar();
+ skipSpaces();
+ } else if (nextToken().character() != ']') {
+ error("Expecting ',' or ']' in options "
+ "of \\newcommandx");
+ return success_;
+ }
}
-
- docstring const arg = getArg('[', ']');
- if (!arg.empty())
- nargs = convert<int>(arg);
-
+
+ // skip ']'
+ if (!good())
+ return success_;
+ getToken();
}
- MathData ar1;
- parse(ar1, FLAG_ITEM, InsetMath::UNDECIDED_MODE);
-
- // we cannot handle recursive stuff at all
- //MathData test;
- //test.push_back(createInsetMath(name));
- //if (ar1.contains(test)) {
- // error("we cannot handle recursive macros at all.");
- // return;
- //}
+ // get definition
+ MathData def;
+ parse(def, FLAG_ITEM, InsetMath::UNDECIDED_MODE);
// is a version for display attached?
skipSpaces();
- MathData ar2;
+ MathData display;
if (nextToken().cat() == catBegin)
- parse(ar2, FLAG_ITEM, InsetMath::MATH_MODE);
+ parse(display, FLAG_ITEM, InsetMath::MATH_MODE);
- cell->push_back(MathAtom(new MathMacroTemplate(name, nargs, type,
- ar1, ar2)));
+ cell->push_back(MathAtom(new MathMacroTemplate(name, nargs,
+ optionals, MacroTypeNewcommandx, optionalValues, def,
+ display)));
}
else if (t.cs() == "(") {
+ if (mode == InsetMath::MATH_MODE) {
+ error("bad math environment");
+ break;
+ }
cell->push_back(MathAtom(new InsetMathHull(hullSimple)));
parse2(cell->back(), FLAG_SIMPLE2, InsetMath::MATH_MODE, false);
}
else if (t.cs() == "[") {
+ if (mode != InsetMath::UNDECIDED_MODE) {
+ error("bad math environment");
+ break;
+ }
cell->push_back(MathAtom(new InsetMathHull(hullEquation)));
parse2(cell->back(), FLAG_EQUATION, InsetMath::MATH_MODE, false);
}
// single line hull insets.
if (grid.nrows() > 1)
delEmptyLastRow(grid);
- return;
+ return success_;
}
} else
error("found 'end' unexpectedly");
else if (t.cs() == ")") {
if (flags & FLAG_SIMPLE2)
- return;
+ return success_;
error("found '\\)' unexpectedly");
}
else if (t.cs() == "]") {
if (flags & FLAG_EQUATION)
- return;
+ return success_;
error("found '\\]' unexpectedly");
}
else if (t.cs() == "\\") {
if (flags & FLAG_ALIGN)
- return;
- bool added;
+ return success_;
+ bool added = false;
if (nextToken().asInput() == "*") {
getToken();
added = addRow(grid, cellrow, docstring(), false);
- } else
+ } else if (good())
added = addRow(grid, cellrow, getArg('[', ']'));
+ else
+ error("missing token after \\\\");
if (added) {
cellcol = 0;
if (grid.asHullInset())
parse(count, FLAG_ITEM, mode);
int cols = 1;
if (!extractNumber(count, cols)) {
+ success_ = false;
lyxerr << " can't extract number of cells from " << count << endl;
}
// resize the table if necessary
}
}
+ else if (t.cs() == "unit") {
+ // Allowed formats \unit[val]{unit}
+ MathData ar;
+ parse(ar, FLAG_OPTION, mode);
+ if (ar.size()) {
+ cell->push_back(MathAtom(new InsetMathFrac(InsetMathFrac::UNIT)));
+ cell->back().nucleus()->cell(0) = ar;
+ parse(cell->back().nucleus()->cell(1), FLAG_ITEM, mode);
+ } else {
+ cell->push_back(MathAtom(new InsetMathFrac(InsetMathFrac::UNIT, 1)));
+ parse(cell->back().nucleus()->cell(0), FLAG_ITEM, mode);
+ }
+ }
+
+ else if (t.cs() == "unitfrac") {
+ // Here allowed formats are \unitfrac[val]{num}{denom}
+ MathData ar;
+ parse(ar, FLAG_OPTION, mode);
+ if (ar.size()) {
+ cell->push_back(MathAtom(new InsetMathFrac(InsetMathFrac::UNITFRAC, 3)));
+ cell->back().nucleus()->cell(2) = ar;
+ } else {
+ cell->push_back(MathAtom(new InsetMathFrac(InsetMathFrac::UNITFRAC)));
+ }
+ parse(cell->back().nucleus()->cell(0), FLAG_ITEM, mode);
+ parse(cell->back().nucleus()->cell(1), FLAG_ITEM, mode);
+ }
+
+ else if (t.cs() == "cfrac") {
+ // allowed formats are \cfrac[pos]{num}{denom}
+ docstring const arg = getArg('[', ']');
+ //lyxerr << "got so far: '" << arg << "'" << endl;
+ if (arg == "l")
+ cell->push_back(MathAtom(new InsetMathFrac(InsetMathFrac::CFRACLEFT)));
+ else if (arg == "r")
+ cell->push_back(MathAtom(new InsetMathFrac(InsetMathFrac::CFRACRIGHT)));
+ else if (arg.empty() || arg == "c")
+ cell->push_back(MathAtom(new InsetMathFrac(InsetMathFrac::CFRAC)));
+ else {
+ error("found invalid optional argument");
+ break;
+ }
+ parse(cell->back().nucleus()->cell(0), FLAG_ITEM, mode);
+ parse(cell->back().nucleus()->cell(1), FLAG_ITEM, mode);
+ }
+
else if (t.cs() == "xrightarrow" || t.cs() == "xleftarrow") {
cell->push_back(createInsetMath(t.cs()));
parse(cell->back().nucleus()->cell(1), FLAG_OPTION, mode);
parse(cell->back().nucleus()->cell(0), FLAG_ITEM, mode);
}
- else if (t.cs() == "ref" || t.cs() == "prettyref" ||
- t.cs() == "pageref" || t.cs() == "vpageref" || t.cs() == "vref") {
+ else if (t.cs() == "ref" || t.cs() == "eqref" || t.cs() == "prettyref"
+ || t.cs() == "pageref" || t.cs() == "vpageref" || t.cs() == "vref") {
cell->push_back(MathAtom(new InsetMathRef(t.cs())));
parse(cell->back().nucleus()->cell(1), FLAG_OPTION, mode);
parse(cell->back().nucleus()->cell(0), FLAG_ITEM, mode);
else if (t.cs() == "right") {
if (flags & FLAG_RIGHT)
- return;
+ return success_;
//lyxerr << "got so far: '" << cell << "'" << endl;
error("Unmatched right delimiter");
- return;
+ return success_;
}
else if (t.cs() == "begin") {
if (name == "array" || name == "subarray") {
docstring const valign = parse_verbatim_option() + 'c';
docstring const halign = parse_verbatim_item();
- cell->push_back(MathAtom(new InsetMathArray(name, (char)valign[0], halign)));
+ cell->push_back(MathAtom(new InsetMathArray(name,
+ InsetMathGrid::guessColumns(halign), 1, (char)valign[0], halign)));
parse2(cell->back(), FLAG_END, mode, false);
}
else if (name == "tabular") {
docstring const valign = parse_verbatim_option() + 'c';
docstring const halign = parse_verbatim_item();
- cell->push_back(MathAtom(new InsetMathTabular(name, (char)valign[0], halign)));
+ cell->push_back(MathAtom(new InsetMathTabular(name,
+ InsetMathGrid::guessColumns(halign), 1, (char)valign[0], halign)));
parse2(cell->back(), FLAG_END, InsetMath::TEXT_MODE, false);
}
}
else if (name == "math") {
+ if (mode == InsetMath::MATH_MODE) {
+ error("bad math environment");
+ break;
+ }
cell->push_back(MathAtom(new InsetMathHull(hullSimple)));
parse2(cell->back(), FLAG_END, InsetMath::MATH_MODE, true);
}
else if (name == "equation" || name == "equation*"
|| name == "displaymath") {
+ if (mode != InsetMath::UNDECIDED_MODE) {
+ error("bad math environment");
+ break;
+ }
cell->push_back(MathAtom(new InsetMathHull(hullEquation)));
parse2(cell->back(), FLAG_END, InsetMath::MATH_MODE, (name == "equation"));
}
else if (name == "eqnarray" || name == "eqnarray*") {
+ if (mode != InsetMath::UNDECIDED_MODE) {
+ error("bad math environment");
+ break;
+ }
cell->push_back(MathAtom(new InsetMathHull(hullEqnArray)));
parse2(cell->back(), FLAG_END, InsetMath::MATH_MODE, !stared(name));
}
else if (name == "align" || name == "align*") {
+ if (mode != InsetMath::UNDECIDED_MODE) {
+ error("bad math environment");
+ break;
+ }
cell->push_back(MathAtom(new InsetMathHull(hullAlign)));
parse2(cell->back(), FLAG_END, InsetMath::MATH_MODE, !stared(name));
}
else if (name == "flalign" || name == "flalign*") {
+ if (mode != InsetMath::UNDECIDED_MODE) {
+ error("bad math environment");
+ break;
+ }
cell->push_back(MathAtom(new InsetMathHull(hullFlAlign)));
parse2(cell->back(), FLAG_END, InsetMath::MATH_MODE, !stared(name));
}
else if (name == "alignat" || name == "alignat*") {
+ if (mode != InsetMath::UNDECIDED_MODE) {
+ error("bad math environment");
+ break;
+ }
// ignore this for a while
getArg('{', '}');
cell->push_back(MathAtom(new InsetMathHull(hullAlignAt)));
}
else if (name == "xalignat" || name == "xalignat*") {
+ if (mode != InsetMath::UNDECIDED_MODE) {
+ error("bad math environment");
+ break;
+ }
// ignore this for a while
getArg('{', '}');
cell->push_back(MathAtom(new InsetMathHull(hullXAlignAt)));
}
else if (name == "xxalignat") {
+ if (mode != InsetMath::UNDECIDED_MODE) {
+ error("bad math environment");
+ break;
+ }
// ignore this for a while
getArg('{', '}');
cell->push_back(MathAtom(new InsetMathHull(hullXXAlignAt)));
}
else if (name == "multline" || name == "multline*") {
+ if (mode != InsetMath::UNDECIDED_MODE) {
+ error("bad math environment");
+ break;
+ }
cell->push_back(MathAtom(new InsetMathHull(hullMultline)));
parse2(cell->back(), FLAG_END, InsetMath::MATH_MODE, !stared(name));
}
else if (name == "gather" || name == "gather*") {
+ if (mode != InsetMath::UNDECIDED_MODE) {
+ error("bad math environment");
+ break;
+ }
cell->push_back(MathAtom(new InsetMathHull(hullGather)));
parse2(cell->back(), FLAG_END, InsetMath::MATH_MODE, !stared(name));
}
cell->push_back(MathAtom(new InsetMathSplit(name, (char)valign[0])));
parse2(cell->back(), FLAG_END, mode, false);
} else {
- dump();
- lyxerr << "found math environment `" << to_utf8(name)
- << "' in symbols file with unsupported inset `"
- << to_utf8(l->inset) << "'." << endl;
+ success_ = false;
+ if (!(mode_ & Parse::QUIET)) {
+ dump();
+ lyxerr << "found math environment `"
+ << to_utf8(name)
+ << "' in symbols file with unsupported inset `"
+ << to_utf8(l->inset)
+ << "'." << endl;
+ }
// create generic environment inset
cell->push_back(MathAtom(new InsetMathEnv(name)));
- parse(cell->back().nucleus()->cell(0), FLAG_ITEM, mode);
+ parse(cell->back().nucleus()->cell(0), FLAG_END, mode);
}
}
else {
- dump();
- lyxerr << "found unknown math environment '" << to_utf8(name)
- << "'" << endl;
+ success_ = false;
+ if (!(mode_ & Parse::QUIET)) {
+ dump();
+ lyxerr << "found unknown math environment '"
+ << to_utf8(name) << "'" << endl;
+ }
// create generic environment inset
cell->push_back(MathAtom(new InsetMathEnv(name)));
- parse(cell->back().nucleus()->cell(0), FLAG_ITEM, mode);
+ parse(cell->back().nucleus()->cell(0), FLAG_END, mode);
}
}
}
}
- else if (t.cs() == "choose" || t.cs() == "over" || t.cs() == "atop") {
+ else if (t.cs() == "choose" || t.cs() == "over"
+ || t.cs() == "atop" || t.cs() == "brace"
+ || t.cs() == "brack") {
MathAtom at = createInsetMath(t.cs());
at.nucleus()->cell(0) = *cell;
cell->clear();
parse(at.nucleus()->cell(1), flags, mode);
cell->push_back(at);
- return;
+ return success_;
}
else if (t.cs() == "color") {
docstring const color = parse_verbatim_item();
cell->push_back(MathAtom(new InsetMathColor(true, color)));
parse(cell->back().nucleus()->cell(0), flags, mode);
- return;
+ return success_;
}
else if (t.cs() == "textcolor") {
else if (t.cs() == "normalcolor") {
cell->push_back(createInsetMath(t.cs()));
parse(cell->back().nucleus()->cell(0), flags, mode);
- return;
+ return success_;
}
else if (t.cs() == "substack") {
parse(cell->back().nucleus()->cell(0), FLAG_ITEM, InsetMath::TEXT_MODE);
}
+ else if (t.cs() == "hspace" && nextToken().character() != '*') {
+ docstring const name = t.cs();
+ docstring const arg = parse_verbatim_item();
+ Length length;
+ if (isValidLength(to_utf8(arg), &length))
+ cell->push_back(MathAtom(new InsetMathSpace(length)));
+ else {
+ // Since the Length class cannot use length variables
+ // we must not create an InsetMathSpace.
+ cell->push_back(MathAtom(new MathMacro(name)));
+ MathData ar;
+ mathed_parse_cell(ar, '{' + arg + '}');
+ cell->append(ar);
+ }
+ }
+
#if 0
else if (t.cs() == "infer") {
MathData ar;
}
#endif
+ else if (t.cs() == "lyxmathsym") {
+ skipSpaces();
+ if (getToken().cat() != catBegin) {
+ error("'{' expected in \\" + t.cs());
+ return success_;
+ }
+ int count = 0;
+ docstring cmd;
+ CatCode cat = nextToken().cat();
+ while (good() && (count || cat != catEnd)) {
+ if (cat == catBegin)
+ ++count;
+ else if (cat == catEnd)
+ --count;
+ cmd += getToken().asInput();
+ cat = nextToken().cat();
+ }
+ if (getToken().cat() != catEnd) {
+ error("'}' expected in \\" + t.cs());
+ return success_;
+ }
+ docstring rem;
+ do {
+ cmd = Encodings::fromLaTeXCommand(cmd, rem);
+ for (size_t i = 0; i < cmd.size(); ++i)
+ cell->push_back(MathAtom(new InsetMathChar(cmd[i])));
+ if (rem.size()) {
+ char_type c = rem[0];
+ cell->push_back(MathAtom(new InsetMathChar(c)));
+ cmd = rem.substr(1);
+ rem.clear();
+ } else
+ cmd.clear();
+ } while (cmd.size());
+ }
+
else if (t.cs().size()) {
latexkeys const * l = in_word_set(t.cs());
if (l) {
flags | FLAG_ALIGN, asMode(mode, l->extra));
if (prevToken().cat() != catAlign &&
prevToken().cs() != "\\")
- return;
+ return success_;
putback();
}
flags | FLAG_ALIGN, mode);
if (prevToken().cat() != catAlign &&
prevToken().cs() != "\\")
- return;
+ return success_;
putback();
}
}
else {
- MathAtom at = createInsetMath(t.cs());
- InsetMath::mode_type m = mode;
- //if (m == InsetMath::UNDECIDED_MODE)
- //lyxerr << "default creation: m1: " << m << endl;
- if (at->currentMode() != InsetMath::UNDECIDED_MODE)
- m = at->currentMode();
- //lyxerr << "default creation: m2: " << m << endl;
- InsetMath::idx_type start = 0;
- // this fails on \bigg[...\bigg]
- //MathData opt;
- //parse(opt, FLAG_OPTION, InsetMath::VERBATIM_MODE);
- //if (opt.size()) {
- // start = 1;
- // at.nucleus()->cell(0) = opt;
- //}
- for (InsetMath::idx_type i = start; i < at->nargs(); ++i) {
- parse(at.nucleus()->cell(i), FLAG_ITEM, m);
+ bool is_unicode_symbol = false;
+ if (mode == InsetMath::TEXT_MODE) {
+ int num_tokens = 0;
+ docstring cmd = prevToken().asInput();
skipSpaces();
+ CatCode cat = nextToken().cat();
+ if (cat == catBegin) {
+ int count = 0;
+ while (good() && (count || cat != catEnd)) {
+ cat = nextToken().cat();
+ cmd += getToken().asInput();
+ ++num_tokens;
+ if (cat == catBegin)
+ ++count;
+ else if (cat == catEnd)
+ --count;
+ }
+ }
+ bool is_combining;
+ char_type c =
+ Encodings::fromLaTeXCommand(cmd, is_combining);
+ if (is_combining) {
+ if (cat == catLetter)
+ cmd += '{';
+ cmd += getToken().asInput();
+ ++num_tokens;
+ if (cat == catLetter)
+ cmd += '}';
+ c = Encodings::fromLaTeXCommand(cmd, is_combining);
+ }
+ if (c) {
+ is_unicode_symbol = true;
+ cell->push_back(MathAtom(new InsetMathChar(c)));
+ } else {
+ while (num_tokens--)
+ putback();
+ }
+ }
+ if (!is_unicode_symbol) {
+ MathAtom at = createInsetMath(t.cs());
+ InsetMath::mode_type m = mode;
+ //if (m == InsetMath::UNDECIDED_MODE)
+ //lyxerr << "default creation: m1: " << m << endl;
+ if (at->currentMode() != InsetMath::UNDECIDED_MODE)
+ m = at->currentMode();
+ //lyxerr << "default creation: m2: " << m << endl;
+ InsetMath::idx_type start = 0;
+ // this fails on \bigg[...\bigg]
+ //MathData opt;
+ //parse(opt, FLAG_OPTION, InsetMath::VERBATIM_MODE);
+ //if (opt.size()) {
+ // start = 1;
+ // at.nucleus()->cell(0) = opt;
+ //}
+ for (InsetMath::idx_type i = start; i < at->nargs(); ++i) {
+ parse(at.nucleus()->cell(i), FLAG_ITEM, m);
+ skipSpaces();
+ }
+ cell->push_back(at);
}
- cell->push_back(at);
}
}
break;
}
}
+ return success_;
}
} // anonymous namespace
-void mathed_parse_cell(MathData & ar, docstring const & str)
+bool mathed_parse_cell(MathData & ar, docstring const & str, Parse::flags f)
{
- Parser(str).parse(ar, 0, InsetMath::MATH_MODE);
+ return Parser(str, f).parse(ar, 0, f & Parse::TEXTMODE ?
+ InsetMath::TEXT_MODE : InsetMath::MATH_MODE);
}
-void mathed_parse_cell(MathData & ar, istream & is)
+bool mathed_parse_cell(MathData & ar, istream & is, Parse::flags f)
{
- Parser(is).parse(ar, 0, InsetMath::MATH_MODE);
+ return Parser(is, f).parse(ar, 0, f & Parse::TEXTMODE ?
+ InsetMath::TEXT_MODE : InsetMath::MATH_MODE);
}
-bool mathed_parse_normal(MathAtom & t, docstring const & str)
+bool mathed_parse_normal(MathAtom & t, docstring const & str, Parse::flags f)
{
- return Parser(str).parse(t);
+ return Parser(str, f).parse(t);
}
-bool mathed_parse_normal(MathAtom & t, Lexer & lex)
+bool mathed_parse_normal(MathAtom & t, Lexer & lex, Parse::flags f)
{
- return Parser(lex).parse(t);
+ return Parser(lex, f).parse(t);
}
-void mathed_parse_normal(InsetMathGrid & grid, docstring const & str)
+bool mathed_parse_normal(InsetMathGrid & grid, docstring const & str, Parse::flags f)
{
- Parser(str).parse1(grid, 0, InsetMath::MATH_MODE, false);
+ return Parser(str, f).parse1(grid, 0, f & Parse::TEXTMODE ?
+ InsetMath::TEXT_MODE : InsetMath::MATH_MODE, false);
}