]> git.lyx.org Git - lyx.git/blobdiff - src/mathed/MathParser.cpp
Allow toggling (no)limits only after mathop symbol
[lyx.git] / src / mathed / MathParser.cpp
index dd16a0595d555e5de81b22d1cceb4372c271500f..fbd08c3931dd9b61fe02a531a6e46dba115e58d7 100644 (file)
@@ -51,7 +51,7 @@ following hack as starting point to write some macros:
 #include "InsetMathEnv.h"
 #include "InsetMathFrac.h"
 #include "InsetMathKern.h"
-#include "MathMacro.h"
+#include "InsetMathMacro.h"
 #include "InsetMathPar.h"
 #include "InsetMathRef.h"
 #include "InsetMathRoot.h"
@@ -63,9 +63,10 @@ following hack as starting point to write some macros:
 #include "InsetMathStackrel.h"
 #include "InsetMathString.h"
 #include "InsetMathTabular.h"
-#include "MathMacroTemplate.h"
+#include "InsetMathMacroTemplate.h"
+#include "MathExtern.h"
 #include "MathFactory.h"
-#include "MathMacroArgument.h"
+#include "InsetMathMacroArgument.h"
 #include "MathSupport.h"
 
 #include "Buffer.h"
@@ -73,9 +74,10 @@ following hack as starting point to write some macros:
 #include "Encoding.h"
 #include "Lexer.h"
 
-#include "support/debug.h"
 #include "support/convert.h"
+#include "support/debug.h"
 #include "support/docstream.h"
+#include "support/unique_ptr.h"
 
 #include <sstream>
 
@@ -228,6 +230,8 @@ bool addCol(InsetMathGrid & grid, InsetMathGrid::col_type & cellcol)
  * \endverbatim
  * will result in a grid with 3 rows (+ the dummy row that is always present),
  * because the last '\\' opens a new row.
+ * Do never delete a row that contains a multicolumn, even if all cells empty,
+ * since the multicolumn information would get lost otherwise.
  * Note that this is only needed for inner-hull grid types, such as array
  * or aligned, but not for outer-hull grid types, such as eqnarray or align.
  */
@@ -235,7 +239,9 @@ void delEmptyLastRow(InsetMathGrid & grid)
 {
        InsetMathGrid::row_type const row = grid.nrows() - 1;
        for (InsetMathGrid::col_type col = 0; col < grid.ncols(); ++col) {
-               if (!grid.cell(grid.index(row, col)).empty())
+               InsetMathGrid::idx_type const idx = grid.index(row, col);
+               if (!grid.cell(idx).empty() ||
+                   grid.cellinfo(idx).multi_ != InsetMathGrid::CELL_NORMAL)
                        return;
        }
        // Copy the row information of the empty row (which would contain the
@@ -395,8 +401,6 @@ public:
        bool parse1(InsetMathGrid & grid, unsigned flags, mode_type mode,
                bool numbered);
        ///
-       MathData parse(unsigned flags, mode_type mode);
-       ///
        int lineno() const { return lineno_; }
        ///
        void putback();
@@ -429,8 +433,6 @@ private:
        ///
        void push_back(Token const & t);
        ///
-       void pop_back();
-       ///
        Token const & prevToken() const;
        ///
        Token const & nextToken() const;
@@ -495,12 +497,6 @@ void Parser::push_back(Token const & t)
 }
 
 
-void Parser::pop_back()
-{
-       tokens_.pop_back();
-}
-
-
 Token const & Parser::prevToken() const
 {
        static const Token dummy;
@@ -780,14 +776,6 @@ docstring Parser::parse_verbatim_item()
 }
 
 
-MathData Parser::parse(unsigned flags, mode_type mode)
-{
-       MathData ar(buffer_);
-       parse(ar, flags, mode);
-       return ar;
-}
-
-
 bool Parser::parse(MathData & array, unsigned flags, mode_type mode)
 {
        InsetMathGrid grid(buffer_, 1, 1);
@@ -941,8 +929,13 @@ bool Parser::parse1(InsetMathGrid & grid, unsigned flags,
                }
 
                else if (t.cat() == catParameter) {
-                       Token const & n = getToken();
-                       cell->push_back(MathAtom(new MathMacroArgument(n.character()-'0')));
+                       Token const & n = nextToken();
+                       char_type c = n.character();
+                       if (c && '0' < c && c <= '9') {
+                               cell->push_back(MathAtom(new InsetMathMacroArgument(c - '0')));
+                               getToken();
+                       } else
+                               cell->push_back(MathAtom(new InsetMathHash()));
                }
 
                else if (t.cat() == catActive)
@@ -1066,10 +1059,10 @@ bool Parser::parse1(InsetMathGrid & grid, unsigned flags,
                         t.cs() == "def") {
                        if (t.cs() == "global")
                                getToken();
-                       
+
                        // get name
                        docstring name = getToken().cs();
-                       
+
                        // read parameters
                        int nargs = 0;
                        docstring pars;
@@ -1078,25 +1071,25 @@ bool Parser::parse1(InsetMathGrid & grid, unsigned flags,
                                ++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(buf,
+
+                       cell->push_back(MathAtom(new InsetMathMacroTemplate(buf,
                                name, nargs, 0, MacroTypeDef,
                                vector<MathData>(), def, display)));
 
                        if (buf && (mode_ & Parse::TRACKMACRO))
                                buf->usermacros.insert(name);
                }
-               
+
                else if (t.cs() == "newcommand" ||
                         t.cs() == "renewcommand" ||
                         t.cs() == "newlyxcommand") {
@@ -1110,13 +1103,13 @@ bool Parser::parse1(InsetMathGrid & grid, unsigned flags,
                                error("'}' in \\newcommand expected");
                                return success_;
                        }
-                               
+
                        // get arity
                        docstring const arg = getArg('[', ']');
                        int nargs = 0;
                        if (!arg.empty())
                                nargs = convert<int>(arg);
-                               
+
                        // optional argument given?
                        skipSpaces();
                        int optionals = 0;
@@ -1127,24 +1120,24 @@ bool Parser::parse1(InsetMathGrid & grid, unsigned flags,
                                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(buf,
+
+                       cell->push_back(MathAtom(new InsetMathMacroTemplate(buf,
                                name, nargs, optionals, MacroTypeNewcommand,
                                optionalValues, def, display)));
 
                        if (buf && (mode_ & Parse::TRACKMACRO))
                                buf->usermacros.insert(name);
                }
-               
+
                else if (t.cs() == "newcommandx" ||
                         t.cs() == "renewcommandx") {
                        // \newcommandx{\foo}[2][usedefault, addprefix=\global,1=default]{#1,#2}
@@ -1159,7 +1152,7 @@ bool Parser::parse1(InsetMathGrid & grid, unsigned flags,
                                }
                        } else
                                name = getToken().cs();
-                               
+
                        // get arity
                        docstring const arg = getArg('[', ']');
                        if (arg.empty()) {
@@ -1167,14 +1160,14 @@ bool Parser::parse1(InsetMathGrid & grid, unsigned flags,
                                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()) {
@@ -1187,14 +1180,14 @@ bool Parser::parse1(InsetMathGrid & grid, unsigned flags,
                                                              "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);
@@ -1209,12 +1202,12 @@ bool Parser::parse1(InsetMathGrid & grid, unsigned flags,
                                        } 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;
@@ -1222,14 +1215,14 @@ bool Parser::parse1(InsetMathGrid & grid, unsigned flags,
                                                        getToken();
                                                        while (nextToken().character() != ']'
                                                                && nextToken().character() != ',')
-                                                               parse(value, FLAG_ITEM, 
+                                                               parse(value, FLAG_ITEM,
                                                                      InsetMath::UNDECIDED_MODE);
                                                }
                                        } else {
                                                error("option for \\newcommandx expected");
                                                return success_;
                                        }
-                                       
+
                                        // skip komma
                                        skipSpaces();
                                        if (nextToken().character() == ',') {
@@ -1241,7 +1234,7 @@ bool Parser::parse1(InsetMathGrid & grid, unsigned flags,
                                                return success_;
                                        }
                                }
-                               
+
                                // skip ']'
                                if (!good())
                                        return success_;
@@ -1258,7 +1251,7 @@ bool Parser::parse1(InsetMathGrid & grid, unsigned flags,
                        if (nextToken().cat() == catBegin)
                                parse(display, FLAG_ITEM, InsetMath::MATH_MODE);
 
-                       cell->push_back(MathAtom(new MathMacroTemplate(buf,
+                       cell->push_back(MathAtom(new InsetMathMacroTemplate(buf,
                                name, nargs, optionals, MacroTypeNewcommandx,
                                optionalValues, def, display)));
 
@@ -1374,38 +1367,43 @@ bool Parser::parse1(InsetMathGrid & grid, unsigned flags,
                        }
                }
 
-#if 0
-               else if (t.cs() == "multicolumn") {
-                       // extract column count and insert dummy cells
+               else if (t.cs() == "multicolumn" && grid.handlesMulticolumn()) {
+                       // if the columns are specified numerically,
+                       // extract column count and insert dummy cells,
+                       // otherwise parse it as an user macro
                        MathData count;
                        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
-                       for (int i = 0; i < cols; ++i) {
-                               if (addCol(grid, cellcol)) {
-                                       cell = &grid.cell(grid.index(
-                                                       cellrow, cellcol));
-                                       // mark this as dummy
-                                       grid.cellinfo(grid.index(
-                                               cellrow, cellcol)).dummy_ = true;
+                       int cols;
+                       // limit arbitrarily to 100 columns
+                       if (extractNumber(count, cols) && cols > 0 && cols < 100) {
+                               // resize the table if necessary
+                               size_t first = grid.index(cellrow, cellcol);
+                               for (int i = 1; i < cols; ++i) {
+                                       if (addCol(grid, cellcol)) {
+                                               size_t const idx = grid.index(cellrow, cellcol);
+                                               grid.cellinfo(idx).multi_ =
+                                                       InsetMathGrid::CELL_PART_OF_MULTICOLUMN;
+                                       }
                                }
-                       }
-                       // the last cell is the real thing, not a dummy
-                       grid.cellinfo(grid.index(cellrow, cellcol)).dummy_ = false;
 
-                       // read special alignment
-                       MathData align;
-                       parse(align, FLAG_ITEM, mode);
-                       //grid.cellinfo(grid.index(cellrow, cellcol)).align_ = extractString(align);
+                               // the first cell is the real thing, not a dummy
+                               cell = &grid.cell(first);
+                               grid.cellinfo(first).multi_ =
+                                       InsetMathGrid::CELL_BEGIN_OF_MULTICOLUMN;
+
+                               // read special alignment
+                               MathData align;
+                               parse(align, FLAG_ITEM, mode);
+                               grid.cellinfo(first).align_ = asString(align);
 
-                       // parse the remaining contents into the "real" cell
-                       parse(*cell, FLAG_ITEM, mode);
+                               // parse the remaining contents into the "real" cell
+                               parse(*cell, FLAG_ITEM, mode);
+                       } else {
+                               MathAtom at = MathAtom(new InsetMathMacro(buf, t.cs()));
+                               cell->push_back(at);
+                               cell->push_back(MathAtom(new InsetMathBrace(count)));
+                       }
                }
-#endif
 
                else if (t.cs() == "limits" || t.cs() == "nolimits") {
                        CatCode const cat = nextToken().cat();
@@ -1481,7 +1479,7 @@ bool Parser::parse1(InsetMathGrid & grid, unsigned flags,
                else if (t.cs() == "cfrac") {
                        // allowed formats are \cfrac[pos]{num}{denom}
                        docstring const arg = getArg('[', ']');
-                       //lyxerr << "got so far: '" << arg << "'" << endl;                              
+                       //lyxerr << "got so far: '" << arg << "'" << endl;
                                if (arg == "l")
                                        cell->push_back(MathAtom(new InsetMathFrac(buf, InsetMathFrac::CFRACLEFT)));
                                else if (arg == "r")
@@ -1554,7 +1552,8 @@ bool Parser::parse1(InsetMathGrid & grid, unsigned flags,
                }
 
                else if (t.cs() == "ref" || t.cs() == "eqref" || t.cs() == "prettyref"
-                         || t.cs() == "pageref" || t.cs() == "vpageref" || t.cs() == "vref") {
+                         || t.cs() == "nameref" || t.cs() == "pageref"
+                         || t.cs() == "vpageref" || t.cs() == "vref") {
                        cell->push_back(MathAtom(new InsetMathRef(buf, t.cs())));
                        docstring const opt = parse_verbatim_option();
                        docstring const ref = parse_verbatim_item();
@@ -1593,13 +1592,13 @@ bool Parser::parse1(InsetMathGrid & grid, unsigned flags,
 
                else if (t.cs() == "begin") {
                        docstring const name = getArg('{', '}');
-                       
+
                        if (name.empty()) {
                                success_ = false;
                                error("found invalid environment");
                                return success_;
                        }
-                       
+
                        environments_.push_back(name);
 
                        if (name == "array" || name == "subarray") {
@@ -1748,7 +1747,7 @@ bool Parser::parse1(InsetMathGrid & grid, unsigned flags,
                                                lyxerr << "found math environment `"
                                                       << to_utf8(name)
                                                       << "' in symbols file with unsupported inset `"
-                                                      << to_utf8(l->inset)
+                                                      << l->inset
                                                       << "'." << endl;
                                        }
                                        // create generic environment inset
@@ -1759,7 +1758,8 @@ bool Parser::parse1(InsetMathGrid & grid, unsigned flags,
 
                        else {
                                success_ = false;
-                               if (!(mode_ & Parse::QUIET)) {
+                               if (!(mode_ & Parse::QUIET) &&
+                                   !(mode_ & Parse::TRACKMACRO)) {
                                        dump();
                                        lyxerr << "found unknown math environment '"
                                               << to_utf8(name) << "'" << endl;
@@ -1770,7 +1770,7 @@ bool Parser::parse1(InsetMathGrid & grid, unsigned flags,
                        }
                }
 
-               else if (t.cs() == "kern") {
+               else if (t.cs() == "kern" || t.cs() == "mkern") {
                        // FIXME: A hack...
                        docstring s;
                        int num_tokens = 0;
@@ -1788,7 +1788,7 @@ bool Parser::parse1(InsetMathGrid & grid, unsigned flags,
                                        break;
                        }
                        if (s.empty())
-                               cell->push_back(MathAtom(new InsetMathKern));
+                               cell->push_back(MathAtom(new InsetMathMacro(buf, t.cs())));
                        else
                                cell->push_back(MathAtom(new InsetMathKern(s)));
                }
@@ -1800,6 +1800,7 @@ bool Parser::parse1(InsetMathGrid & grid, unsigned flags,
                        asArray(label, ar);
                        if (grid.asHullInset()) {
                                grid.asHullInset()->label(cellrow, label);
+                               grid.asHullInset()->numbered(cellrow, true);
                        } else {
                                cell->push_back(createInsetMath(t.cs(), buf));
                                cell->push_back(MathAtom(new InsetMathBrace(ar)));
@@ -1897,7 +1898,7 @@ bool Parser::parse1(InsetMathGrid & grid, unsigned flags,
                        else {
                                // Since the Length class cannot use length variables
                                // we must not create an InsetMathSpace.
-                               cell->push_back(MathAtom(new MathMacro(buf, name)));
+                               cell->push_back(MathAtom(new InsetMathMacro(buf, name)));
                                MathData ar;
                                mathed_parse_cell(ar, '{' + arg + '}', mode_);
                                cell->append(ar);
@@ -1916,7 +1917,7 @@ bool Parser::parse1(InsetMathGrid & grid, unsigned flags,
                                        parse(cell->back().nucleus()->cell(0), FLAG_ITEM, mode);
                                } else {
                                        docstring const arg = parse_verbatim_item();
-                                       cell->push_back(MathAtom(new MathMacro(buf, t.cs())));
+                                       cell->push_back(MathAtom(new InsetMathMacro(buf, t.cs())));
                                        MathData ar;
                                        mathed_parse_cell(ar, '[' + opt + ']', mode_);
                                        cell->append(ar);
@@ -1938,23 +1939,6 @@ bool Parser::parse1(InsetMathGrid & grid, unsigned flags,
                        cell->push_back(createInsetMath(t.cs(), buf));
                        parse2(cell->back(), FLAG_ITEM, mode, false);
                }
-
-               // Disabled
-               else if (1 && t.cs() == "ar") {
-                       auto_ptr<InsetMathXYArrow> p(new InsetMathXYArrow);
-                       // try to read target
-                       parse(p->cell(0), FLAG_OTPTION, mode);
-                       // try to read label
-                       if (nextToken().cat() == catSuper || nextToken().cat() == catSub) {
-                               p->up_ = nextToken().cat() == catSuper;
-                               getToken();
-                               parse(p->cell(1), FLAG_ITEM, mode);
-                               //lyxerr << "read label: " << p->cell(1) << endl;
-                       }
-
-                       cell->push_back(MathAtom(p.release()));
-                       //lyxerr << "read cell: " << cell << endl;
-               }
 #endif
 
                else if (t.cs() == "lyxmathsym") {
@@ -2017,7 +2001,10 @@ bool Parser::parse1(InsetMathGrid & grid, unsigned flags,
                                                        new InsetMathBig(t.cs(), delim)));
                                        else {
                                                cell->push_back(createInsetMath(t.cs(), buf));
-                                               putback();
+                                               // For some reason delim.empty()
+                                               // is always false here
+                                               if (delim.at(0))
+                                                       putback();
                                        }
                                }
 
@@ -2115,7 +2102,7 @@ bool Parser::parse1(InsetMathGrid & grid, unsigned flags,
                                }
                                if (!is_unicode_symbol) {
                                        MathAtom at = is_user_macro ?
-                                               MathAtom(new MathMacro(buf, t.cs()))
+                                               MathAtom(new InsetMathMacro(buf, t.cs()))
                                                : createInsetMath(t.cs(), buf);
                                        InsetMath::mode_type m = mode;
                                        //if (m == InsetMath::UNDECIDED_MODE)
@@ -2155,6 +2142,15 @@ bool Parser::parse1(InsetMathGrid & grid, unsigned flags,
 } // anonymous namespace
 
 
+// FIXME This will likely need some work.
+char const * latexkeys::MathMLtype() const
+{
+       if (extra == "mathord")
+               return "mi";
+       return "mo";
+}
+
+
 bool mathed_parse_cell(MathData & ar, docstring const & str, Parse::flags f)
 {
        return Parser(str, f, ar.buffer()).parse(ar, 0, f & Parse::TEXTMODE ?