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0a93c9b70f
Math inset names and LaTeX requirements are always ASCII. This avoids some conversions and makes math requirements more similar to text requirements.
2228 lines
59 KiB
C++
2228 lines
59 KiB
C++
/**
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* \file MathParser.cpp
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* This file is part of LyX, the document processor.
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* Licence details can be found in the file COPYING.
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*
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* \author André Pönitz
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*
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* Full author contact details are available in file CREDITS.
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*/
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/*
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If someone desperately needs partial "structures" (such as a few
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cells of an array inset or similar) (s)he could uses the
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following hack as starting point to write some macros:
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\newif\ifcomment
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\commentfalse
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\ifcomment
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\def\makeamptab{\catcode`\&=4\relax}
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\def\makeampletter{\catcode`\&=11\relax}
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\def\b{\makeampletter\expandafter\makeamptab\bi}
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\long\def\bi#1\e{}
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\else
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\def\b{}\def\e{}
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\fi
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...
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\[\begin{array}{ccc}
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1
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&
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\end{array}\]
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*/
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#include <config.h>
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#include "MathParser.h"
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#include "InsetMathArray.h"
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#include "InsetMathBig.h"
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#include "InsetMathBrace.h"
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#include "InsetMathCancelto.h"
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#include "InsetMathChar.h"
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#include "InsetMathColor.h"
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#include "InsetMathComment.h"
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#include "InsetMathDelim.h"
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#include "InsetMathEnsureMath.h"
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#include "InsetMathEnv.h"
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#include "InsetMathFrac.h"
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#include "InsetMathKern.h"
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#include "MathMacro.h"
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#include "InsetMathPar.h"
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#include "InsetMathRef.h"
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#include "InsetMathRoot.h"
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#include "InsetMathScript.h"
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#include "InsetMathSideset.h"
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#include "InsetMathSpace.h"
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#include "InsetMathSplit.h"
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#include "InsetMathSqrt.h"
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#include "InsetMathStackrel.h"
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#include "InsetMathString.h"
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#include "InsetMathTabular.h"
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#include "MathMacroTemplate.h"
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#include "MathFactory.h"
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#include "MathMacroArgument.h"
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#include "MathSupport.h"
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#include "Buffer.h"
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#include "BufferParams.h"
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#include "Encoding.h"
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#include "Lexer.h"
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#include "support/debug.h"
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#include "support/convert.h"
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#include "support/docstream.h"
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#include <sstream>
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//#define FILEDEBUG
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using namespace std;
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namespace lyx {
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namespace {
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InsetMath::mode_type asMode(InsetMath::mode_type oldmode, docstring const & str)
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{
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//lyxerr << "handling mode: '" << str << "'" << endl;
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if (str == "mathmode")
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return InsetMath::MATH_MODE;
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if (str == "textmode" || str == "forcetext")
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return InsetMath::TEXT_MODE;
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return oldmode;
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}
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bool stared(docstring const & s)
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{
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size_t const n = s.size();
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return n && s[n - 1] == '*';
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}
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docstring const repl(docstring const & oldstr, char_type const c,
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docstring const & macro, bool textmode = false)
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{
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docstring newstr;
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size_t i;
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size_t j;
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for (i = 0, j = 0; i < oldstr.size(); ++i) {
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if (c == oldstr[i]) {
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newstr.append(oldstr, j, i - j);
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newstr.append(macro);
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j = i + 1;
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if (macro.size() > 2 && j < oldstr.size())
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newstr += (textmode && oldstr[j] == ' ' ? '\\' : ' ');
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}
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}
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// Any substitution?
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if (j == 0)
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return oldstr;
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newstr.append(oldstr, j, i - j);
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return newstr;
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}
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docstring escapeSpecialChars(docstring const & str, bool textmode)
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{
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docstring const backslash = textmode ? from_ascii("\\textbackslash")
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: from_ascii("\\backslash");
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docstring const caret = textmode ? from_ascii("\\textasciicircum")
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: from_ascii("\\mathcircumflex");
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docstring const tilde = textmode ? from_ascii("\\textasciitilde")
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: from_ascii("\\sim");
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return repl(repl(repl(repl(repl(repl(repl(repl(repl(repl(str,
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'\\', backslash, textmode),
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'^', caret, textmode),
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'~', tilde, textmode),
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'_', from_ascii("\\_")),
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'$', from_ascii("\\$")),
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'#', from_ascii("\\#")),
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'&', from_ascii("\\&")),
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'%', from_ascii("\\%")),
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'{', from_ascii("\\{")),
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'}', from_ascii("\\}"));
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}
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/*!
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* Add the row \p cellrow to \p grid.
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* \returns wether the row could be added. Adding a row can fail for
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* environments like "equation" that have a fixed number of rows.
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*/
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bool addRow(InsetMathGrid & grid, InsetMathGrid::row_type & cellrow,
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docstring const & vskip, bool allow_newpage_ = true)
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{
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++cellrow;
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if (cellrow == grid.nrows()) {
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//lyxerr << "adding row " << cellrow << endl;
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grid.addRow(cellrow - 1);
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if (cellrow == grid.nrows()) {
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// We can't add a row to this grid, so let's
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// append the content of this cell to the previous
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// one.
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// This does not happen in well formed .lyx files,
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// but LyX versions 1.3.x and older could create
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// such files and tex2lyx can still do that.
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--cellrow;
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lyxerr << "ignoring extra row";
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if (!vskip.empty())
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lyxerr << " with extra space " << to_utf8(vskip);
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if (!allow_newpage_)
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lyxerr << " with no page break allowed";
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lyxerr << '.' << endl;
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return false;
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}
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}
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grid.vcrskip(Length(to_utf8(vskip)), cellrow - 1);
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grid.rowinfo(cellrow - 1).allow_newpage_ = allow_newpage_;
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return true;
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}
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/*!
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* Add the column \p cellcol to \p grid.
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* \returns wether the column could be added. Adding a column can fail for
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* environments like "eqnarray" that have a fixed number of columns.
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*/
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bool addCol(InsetMathGrid & grid, InsetMathGrid::col_type & cellcol)
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{
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++cellcol;
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if (cellcol == grid.ncols()) {
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//lyxerr << "adding column " << cellcol << endl;
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grid.addCol(cellcol);
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if (cellcol == grid.ncols()) {
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// We can't add a column to this grid, so let's
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// append the content of this cell to the previous
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// one.
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// This does not happen in well formed .lyx files,
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// but LyX versions 1.3.x and older could create
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// such files and tex2lyx can still do that.
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--cellcol;
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lyxerr << "ignoring extra column." << endl;
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return false;
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}
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}
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return true;
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}
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/*!
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* Check whether the last row is empty and remove it if yes.
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* Otherwise the following code
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* \verbatim
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\begin{array}{|c|c|}
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\hline
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1 & 2 \\ \hline
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3 & 4 \\ \hline
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\end{array}
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* \endverbatim
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* will result in a grid with 3 rows (+ the dummy row that is always present),
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* because the last '\\' opens a new row.
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* Note that this is only needed for inner-hull grid types, such as array
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* or aligned, but not for outer-hull grid types, such as eqnarray or align.
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*/
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void delEmptyLastRow(InsetMathGrid & grid)
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{
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InsetMathGrid::row_type const row = grid.nrows() - 1;
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for (InsetMathGrid::col_type col = 0; col < grid.ncols(); ++col) {
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if (!grid.cell(grid.index(row, col)).empty())
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return;
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}
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// Copy the row information of the empty row (which would contain the
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// last hline in the example above) to the dummy row and delete the
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// empty row.
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grid.rowinfo(row + 1) = grid.rowinfo(row);
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grid.delRow(row);
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}
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/*!
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* Tell whether the environment name corresponds to an inner-hull grid type.
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*/
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bool innerHull(docstring const & name)
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{
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// For [bB]matrix, [vV]matrix, and pmatrix we can check the suffix only
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return name == "array" || name == "cases" || name == "aligned"
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|| name == "alignedat" || name == "gathered" || name == "split"
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|| name == "subarray" || name == "tabular" || name == "matrix"
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|| name == "smallmatrix" || name.substr(1) == "matrix";
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}
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// These are TeX's catcodes
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enum CatCode {
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catEscape, // 0 backslash
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catBegin, // 1 {
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catEnd, // 2 }
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catMath, // 3 $
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catAlign, // 4 &
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catNewline, // 5 ^^M
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catParameter, // 6 #
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catSuper, // 7 ^
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catSub, // 8 _
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catIgnore, // 9
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catSpace, // 10 space
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catLetter, // 11 a-zA-Z
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catOther, // 12 none of the above
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catActive, // 13 ~
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catComment, // 14 %
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catInvalid // 15 <delete>
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};
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CatCode theCatcode[128];
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inline CatCode catcode(char_type c)
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{
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/* The only characters that are not catOther lie in the pure ASCII
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* range. Therefore theCatcode has only 128 entries.
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* TeX itself deals with 8bit characters, so if needed this table
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* could be enlarged to 256 entries.
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* Any larger value does not make sense, since the fact that we use
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* unicode internally does not change Knuth's TeX engine.
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* Apart from that a table for the full 21bit UCS4 range would waste
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* too much memory. */
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if (c >= 128)
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return catOther;
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return theCatcode[c];
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}
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enum {
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FLAG_ALIGN = 1 << 0, // next & or \\ ends the parsing process
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FLAG_BRACE_LAST = 1 << 1, // next closing brace ends the parsing
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FLAG_RIGHT = 1 << 2, // next \\right ends the parsing process
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FLAG_END = 1 << 3, // next \\end ends the parsing process
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FLAG_BRACK_LAST = 1 << 4, // next closing bracket ends the parsing
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FLAG_TEXTMODE = 1 << 5, // we are in a box
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FLAG_ITEM = 1 << 6, // read a (possibly braced) token
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FLAG_LEAVE = 1 << 7, // leave the loop at the end
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FLAG_SIMPLE = 1 << 8, // next $ leaves the loop
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FLAG_EQUATION = 1 << 9, // next \] leaves the loop
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FLAG_SIMPLE2 = 1 << 10, // next \) leaves the loop
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FLAG_OPTION = 1 << 11, // read [...] style option
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FLAG_BRACED = 1 << 12 // read {...} style argument
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};
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//
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// Helper class for parsing
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//
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class Token {
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public:
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///
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Token() : cs_(), char_(0), cat_(catIgnore) {}
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///
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Token(char_type c, CatCode cat) : cs_(), char_(c), cat_(cat) {}
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///
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explicit Token(docstring const & cs) : cs_(cs), char_(0), cat_(catIgnore) {}
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///
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docstring const & cs() const { return cs_; }
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///
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CatCode cat() const { return cat_; }
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///
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char_type character() const { return char_; }
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///
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docstring asString() const { return !cs_.empty() ? cs_ : docstring(1, char_); }
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///
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docstring asInput() const { return !cs_.empty() ? '\\' + cs_ : docstring(1, char_); }
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private:
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///
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docstring cs_;
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///
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char_type char_;
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///
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CatCode cat_;
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};
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ostream & operator<<(ostream & os, Token const & t)
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{
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if (!t.cs().empty()) {
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docstring const & cs = t.cs();
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// FIXME: For some strange reason, the stream operator instanciate
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// a new Token before outputting the contents of t.cs().
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// Because of this the line
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// os << '\\' << cs;
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// below becomes recursive.
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// In order to avoid that we return early:
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if (cs == "\\")
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return os;
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os << '\\' << to_utf8(cs);
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}
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else if (t.cat() == catLetter)
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os << t.character();
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else
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os << '[' << t.character() << ',' << t.cat() << ']';
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return os;
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}
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class Parser {
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public:
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///
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typedef InsetMath::mode_type mode_type;
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///
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typedef Parse::flags parse_mode;
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///
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Parser(Lexer & lex, parse_mode mode, Buffer * buf);
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/// Only use this for reading from .lyx file format, for the reason
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/// see Parser::tokenize(istream &).
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Parser(istream & is, parse_mode mode, Buffer * buf);
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///
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Parser(docstring const & str, parse_mode mode, Buffer * buf);
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///
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bool parse(MathAtom & at);
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///
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bool parse(MathData & array, unsigned flags, mode_type mode);
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///
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bool parse1(InsetMathGrid & grid, unsigned flags, mode_type mode,
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bool numbered);
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///
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MathData parse(unsigned flags, mode_type mode);
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///
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int lineno() const { return lineno_; }
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///
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void putback();
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/// store current position
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void pushPosition();
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/// restore previous position
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void popPosition();
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/// forget last saved position
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void dropPosition();
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private:
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///
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void parse2(MathAtom & at, unsigned flags, mode_type mode, bool numbered);
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/// get arg delimited by 'left' and 'right'
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docstring getArg(char_type left, char_type right);
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///
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char_type getChar();
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///
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void error(string const & msg);
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void error(docstring const & msg) { error(to_utf8(msg)); }
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/// dump contents to screen
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void dump() const;
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/// Only use this for reading from .lyx file format (see
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/// implementation for reason)
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void tokenize(istream & is);
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///
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void tokenize(docstring const & s);
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///
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void skipSpaceTokens(idocstream & is, char_type c);
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///
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void push_back(Token const & t);
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///
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void pop_back();
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///
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Token const & prevToken() const;
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///
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Token const & nextToken() const;
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///
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Token const & getToken();
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/// skips spaces if any
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void skipSpaces();
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///
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void lex(docstring const & s);
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///
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bool good() const;
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///
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docstring parse_verbatim_item();
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///
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docstring parse_verbatim_option();
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///
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int lineno_;
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///
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vector<Token> tokens_;
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///
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unsigned pos_;
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///
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std::vector<unsigned> positions_;
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/// Stack of active environments
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vector<docstring> environments_;
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///
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parse_mode mode_;
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///
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bool success_;
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///
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Buffer * buffer_;
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};
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Parser::Parser(Lexer & lexer, parse_mode mode, Buffer * buf)
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: lineno_(lexer.lineNumber()), pos_(0), mode_(mode), success_(true),
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buffer_(buf)
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{
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tokenize(lexer.getStream());
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lexer.eatLine();
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}
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Parser::Parser(istream & is, parse_mode mode, Buffer * buf)
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: lineno_(0), pos_(0), mode_(mode), success_(true), buffer_(buf)
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{
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tokenize(is);
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}
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Parser::Parser(docstring const & str, parse_mode mode, Buffer * buf)
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: lineno_(0), pos_(0), mode_(mode), success_(true), buffer_(buf)
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{
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tokenize(str);
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}
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void Parser::push_back(Token const & t)
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{
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tokens_.push_back(t);
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}
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void Parser::pop_back()
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{
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tokens_.pop_back();
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}
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Token const & Parser::prevToken() const
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{
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static const Token dummy;
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return pos_ > 0 ? tokens_[pos_ - 1] : dummy;
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}
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Token const & Parser::nextToken() const
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{
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static const Token dummy;
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return good() ? tokens_[pos_] : dummy;
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}
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Token const & Parser::getToken()
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{
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static const Token dummy;
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//lyxerr << "looking at token " << tokens_[pos_] << " pos: " << pos_ << endl;
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return good() ? tokens_[pos_++] : dummy;
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}
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void Parser::skipSpaces()
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{
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while (nextToken().cat() == catSpace || nextToken().cat() == catNewline)
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getToken();
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}
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void Parser::putback()
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{
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--pos_;
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}
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void Parser::pushPosition()
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{
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positions_.push_back(pos_);
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}
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void Parser::popPosition()
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{
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pos_ = positions_.back();
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positions_.pop_back();
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}
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void Parser::dropPosition()
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{
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positions_.pop_back();
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}
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|
|
bool Parser::good() const
|
|
{
|
|
return pos_ < tokens_.size();
|
|
}
|
|
|
|
|
|
char_type Parser::getChar()
|
|
{
|
|
if (!good()) {
|
|
error("The input stream is not well...");
|
|
return 0;
|
|
}
|
|
return tokens_[pos_++].character();
|
|
}
|
|
|
|
|
|
docstring Parser::getArg(char_type left, char_type right)
|
|
{
|
|
docstring result;
|
|
skipSpaces();
|
|
|
|
if (!good())
|
|
return result;
|
|
|
|
char_type c = getChar();
|
|
|
|
if (c != left)
|
|
putback();
|
|
else
|
|
while ((c = getChar()) != right && good())
|
|
result += c;
|
|
|
|
return result;
|
|
}
|
|
|
|
|
|
void Parser::skipSpaceTokens(idocstream & is, char_type c)
|
|
{
|
|
// skip trailing spaces
|
|
while (catcode(c) == catSpace || catcode(c) == catNewline)
|
|
if (!is.get(c))
|
|
break;
|
|
//lyxerr << "putting back: " << c << endl;
|
|
is.putback(c);
|
|
}
|
|
|
|
|
|
void Parser::tokenize(istream & is)
|
|
{
|
|
// eat everything up to the next \end_inset or end of stream
|
|
// and store it in s for further tokenization
|
|
string s;
|
|
char c;
|
|
while (is.get(c)) {
|
|
s += c;
|
|
if (s.size() >= 10 && s.substr(s.size() - 10) == "\\end_inset") {
|
|
s = s.substr(0, s.size() - 10);
|
|
break;
|
|
}
|
|
}
|
|
// Remove the space after \end_inset
|
|
if (is.get(c) && c != ' ')
|
|
is.unget();
|
|
|
|
// tokenize buffer
|
|
tokenize(from_utf8(s));
|
|
}
|
|
|
|
|
|
void Parser::tokenize(docstring const & buffer)
|
|
{
|
|
idocstringstream is(mode_ & Parse::VERBATIM
|
|
? escapeSpecialChars(buffer, mode_ & Parse::TEXTMODE)
|
|
: buffer, ios::in | ios::binary);
|
|
|
|
char_type c;
|
|
while (is.get(c)) {
|
|
//lyxerr << "reading c: " << c << endl;
|
|
|
|
switch (catcode(c)) {
|
|
case catNewline: {
|
|
++lineno_;
|
|
is.get(c);
|
|
if (catcode(c) == catNewline)
|
|
; //push_back(Token("par"));
|
|
else {
|
|
push_back(Token('\n', catNewline));
|
|
is.putback(c);
|
|
}
|
|
break;
|
|
}
|
|
|
|
/*
|
|
case catComment: {
|
|
while (is.get(c) && catcode(c) != catNewline)
|
|
;
|
|
++lineno_;
|
|
break;
|
|
}
|
|
*/
|
|
|
|
case catEscape: {
|
|
is.get(c);
|
|
if (!is) {
|
|
error("unexpected end of input");
|
|
} else {
|
|
if (c == '\n')
|
|
c = ' ';
|
|
docstring s(1, c);
|
|
if (catcode(c) == catLetter) {
|
|
// collect letters
|
|
while (is.get(c) && catcode(c) == catLetter)
|
|
s += c;
|
|
skipSpaceTokens(is, c);
|
|
}
|
|
push_back(Token(s));
|
|
}
|
|
break;
|
|
}
|
|
|
|
case catSuper:
|
|
case catSub: {
|
|
push_back(Token(c, catcode(c)));
|
|
is.get(c);
|
|
skipSpaceTokens(is, c);
|
|
break;
|
|
}
|
|
|
|
case catIgnore: {
|
|
if (!(mode_ & Parse::QUIET))
|
|
lyxerr << "ignoring a char: " << int(c) << endl;
|
|
break;
|
|
}
|
|
|
|
default:
|
|
push_back(Token(c, catcode(c)));
|
|
}
|
|
}
|
|
|
|
#ifdef FILEDEBUG
|
|
dump();
|
|
#endif
|
|
}
|
|
|
|
|
|
void Parser::dump() const
|
|
{
|
|
lyxerr << "\nTokens: ";
|
|
for (unsigned i = 0; i < tokens_.size(); ++i) {
|
|
if (i == pos_)
|
|
lyxerr << " <#> ";
|
|
lyxerr << tokens_[i];
|
|
}
|
|
lyxerr << " pos: " << pos_ << endl;
|
|
}
|
|
|
|
|
|
void Parser::error(string const & msg)
|
|
{
|
|
success_ = false;
|
|
if (!(mode_ & Parse::QUIET)) {
|
|
lyxerr << "Line ~" << lineno_ << ": Math parse error: "
|
|
<< msg << endl;
|
|
dump();
|
|
}
|
|
}
|
|
|
|
|
|
bool Parser::parse(MathAtom & at)
|
|
{
|
|
skipSpaces();
|
|
MathData ar(buffer_);
|
|
parse(ar, false, InsetMath::UNDECIDED_MODE);
|
|
if (ar.size() != 1 || ar.front()->getType() == hullNone) {
|
|
if (!(mode_ & Parse::QUIET))
|
|
lyxerr << "unusual contents found: " << ar << endl;
|
|
at = MathAtom(new InsetMathPar(buffer_, ar));
|
|
//if (at->nargs() > 0)
|
|
// at.nucleus()->cell(0) = ar;
|
|
//else
|
|
// lyxerr << "unusual contents found: " << ar << endl;
|
|
success_ = false;
|
|
} else
|
|
at = ar[0];
|
|
return success_;
|
|
}
|
|
|
|
|
|
docstring Parser::parse_verbatim_option()
|
|
{
|
|
skipSpaces();
|
|
docstring res;
|
|
if (nextToken().character() == '[') {
|
|
Token t = getToken();
|
|
for (Token t = getToken(); t.character() != ']' && good(); t = getToken()) {
|
|
if (t.cat() == catBegin) {
|
|
putback();
|
|
res += '{' + parse_verbatim_item() + '}';
|
|
} else
|
|
res += t.asInput();
|
|
}
|
|
}
|
|
return res;
|
|
}
|
|
|
|
|
|
docstring Parser::parse_verbatim_item()
|
|
{
|
|
skipSpaces();
|
|
docstring res;
|
|
if (nextToken().cat() == catBegin) {
|
|
Token t = getToken();
|
|
for (Token t = getToken(); t.cat() != catEnd && good(); t = getToken()) {
|
|
if (t.cat() == catBegin) {
|
|
putback();
|
|
res += '{' + parse_verbatim_item() + '}';
|
|
}
|
|
else
|
|
res += t.asInput();
|
|
}
|
|
}
|
|
return res;
|
|
}
|
|
|
|
|
|
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);
|
|
parse1(grid, flags, mode, false);
|
|
array = grid.cell(0);
|
|
return success_;
|
|
}
|
|
|
|
|
|
void Parser::parse2(MathAtom & at, const unsigned flags, const mode_type mode,
|
|
const bool numbered)
|
|
{
|
|
parse1(*(at.nucleus()->asGridInset()), flags, mode, numbered);
|
|
}
|
|
|
|
|
|
bool Parser::parse1(InsetMathGrid & grid, unsigned flags,
|
|
const mode_type mode, const bool numbered)
|
|
{
|
|
int limits = 0;
|
|
InsetMathGrid::row_type cellrow = 0;
|
|
InsetMathGrid::col_type cellcol = 0;
|
|
MathData * cell = &grid.cell(grid.index(cellrow, cellcol));
|
|
Buffer * buf = buffer_;
|
|
|
|
if (grid.asHullInset())
|
|
grid.asHullInset()->numbered(cellrow, numbered);
|
|
|
|
//dump();
|
|
//lyxerr << " flags: " << flags << endl;
|
|
//lyxerr << " mode: " << mode << endl;
|
|
//lyxerr << "grid: " << grid << endl;
|
|
|
|
while (good()) {
|
|
Token const & t = getToken();
|
|
|
|
#ifdef FILEDEBUG
|
|
lyxerr << "t: " << t << " flags: " << flags << endl;
|
|
lyxerr << "mode: " << mode << endl;
|
|
cell->dump();
|
|
lyxerr << endl;
|
|
#endif
|
|
|
|
if (flags & FLAG_ITEM) {
|
|
|
|
if (t.cat() == catBegin) {
|
|
// skip the brace and collect everything to the next matching
|
|
// closing brace
|
|
parse1(grid, FLAG_BRACE_LAST, mode, numbered);
|
|
return success_;
|
|
}
|
|
|
|
// handle only this single token, leave the loop if done
|
|
flags = FLAG_LEAVE;
|
|
}
|
|
|
|
|
|
if (flags & FLAG_BRACED) {
|
|
if (t.cat() == catSpace)
|
|
continue;
|
|
|
|
if (t.cat() != catBegin) {
|
|
error("opening brace expected");
|
|
return success_;
|
|
}
|
|
|
|
// skip the brace and collect everything to the next matching
|
|
// closing brace
|
|
flags = FLAG_BRACE_LAST;
|
|
}
|
|
|
|
|
|
if (flags & FLAG_OPTION) {
|
|
if (t.cat() == catOther && t.character() == '[') {
|
|
MathData ar;
|
|
parse(ar, FLAG_BRACK_LAST, mode);
|
|
cell->append(ar);
|
|
} else {
|
|
// no option found, put back token and we are done
|
|
putback();
|
|
}
|
|
return success_;
|
|
}
|
|
|
|
//
|
|
// cat codes
|
|
//
|
|
if (t.cat() == catMath) {
|
|
if (mode != InsetMath::MATH_MODE) {
|
|
// we are inside some text mode thingy, so opening new math is allowed
|
|
Token const & n = getToken();
|
|
if (n.cat() == catMath) {
|
|
// TeX's $$...$$ syntax for displayed math
|
|
if (mode == InsetMath::UNDECIDED_MODE) {
|
|
cell->push_back(MathAtom(new InsetMathHull(buf, hullEquation)));
|
|
parse2(cell->back(), FLAG_SIMPLE, InsetMath::MATH_MODE, false);
|
|
getToken(); // skip the second '$' token
|
|
} else {
|
|
// This is not an outer hull and display math is
|
|
// not allowed inside text mode environments.
|
|
error("bad math environment $$");
|
|
break;
|
|
}
|
|
} else {
|
|
// simple $...$ stuff
|
|
putback();
|
|
if (mode == InsetMath::UNDECIDED_MODE) {
|
|
cell->push_back(MathAtom(new InsetMathHull(buf, 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(buf)));
|
|
parse(cell->back().nucleus()->cell(0), FLAG_SIMPLE, InsetMath::MATH_MODE);
|
|
}
|
|
}
|
|
}
|
|
|
|
else if (flags & FLAG_SIMPLE) {
|
|
// this is the end of the formula
|
|
return success_;
|
|
}
|
|
|
|
else {
|
|
Token const & n = getToken();
|
|
if (n.cat() == catMath) {
|
|
error("something strange in the parser");
|
|
break;
|
|
} else {
|
|
// This is inline math ($...$), but the parser thinks we are
|
|
// already in math mode and latex would issue an error, unless we
|
|
// are inside a text mode user macro. We have no way to tell, so
|
|
// let's play safe by using \ensuremath, as it will work in any case.
|
|
putback();
|
|
cell->push_back(MathAtom(new InsetMathEnsureMath(buf)));
|
|
parse(cell->back().nucleus()->cell(0), FLAG_SIMPLE, InsetMath::MATH_MODE);
|
|
}
|
|
}
|
|
}
|
|
|
|
else if (t.cat() == catLetter)
|
|
cell->push_back(MathAtom(new InsetMathChar(t.character())));
|
|
|
|
else if (t.cat() == catSpace && mode != InsetMath::MATH_MODE) {
|
|
if (cell->empty() || cell->back()->getChar() != ' ')
|
|
cell->push_back(MathAtom(new InsetMathChar(t.character())));
|
|
}
|
|
|
|
else if (t.cat() == catNewline && mode != InsetMath::MATH_MODE) {
|
|
if (cell->empty() || cell->back()->getChar() != ' ')
|
|
cell->push_back(MathAtom(new InsetMathChar(' ')));
|
|
}
|
|
|
|
else if (t.cat() == catParameter) {
|
|
Token const & n = getToken();
|
|
cell->push_back(MathAtom(new MathMacroArgument(n.character()-'0')));
|
|
}
|
|
|
|
else if (t.cat() == catActive)
|
|
cell->push_back(MathAtom(new InsetMathSpace(string(1, t.character()), "")));
|
|
|
|
else if (t.cat() == catBegin) {
|
|
MathData ar;
|
|
parse(ar, FLAG_BRACE_LAST, mode);
|
|
// do not create a BraceInset if they were written by LyX
|
|
// this helps to keep the annoyance of "a choose b" to a minimum
|
|
if (ar.size() == 1 && ar[0]->extraBraces())
|
|
cell->append(ar);
|
|
else
|
|
cell->push_back(MathAtom(new InsetMathBrace(ar)));
|
|
}
|
|
|
|
else if (t.cat() == catEnd) {
|
|
if (flags & FLAG_BRACE_LAST)
|
|
return success_;
|
|
error("found '}' unexpectedly");
|
|
//LASSERT(false, /**/);
|
|
//add(cell, '}', LM_TC_TEX);
|
|
}
|
|
|
|
else if (t.cat() == catAlign) {
|
|
//lyxerr << " column now " << (cellcol + 1)
|
|
// << " max: " << grid.ncols() << endl;
|
|
if (flags & FLAG_ALIGN)
|
|
return success_;
|
|
if (addCol(grid, cellcol))
|
|
cell = &grid.cell(grid.index(cellrow, cellcol));
|
|
}
|
|
|
|
else if (t.cat() == catSuper || t.cat() == catSub) {
|
|
bool up = (t.cat() == catSuper);
|
|
// we need no new script inset if the last thing was a scriptinset,
|
|
// which has that script already not the same script already
|
|
if (cell->empty())
|
|
cell->push_back(MathAtom(new InsetMathScript(buf, up)));
|
|
else if (cell->back()->asScriptInset() &&
|
|
!cell->back()->asScriptInset()->has(up))
|
|
cell->back().nucleus()->asScriptInset()->ensure(up);
|
|
else if (cell->back()->asScriptInset())
|
|
cell->push_back(MathAtom(new InsetMathScript(buf, up)));
|
|
else
|
|
cell->back() = MathAtom(new InsetMathScript(buf, cell->back(), up));
|
|
InsetMathScript * p = cell->back().nucleus()->asScriptInset();
|
|
// special handling of {}-bases
|
|
// Here we could remove the brace inset for things
|
|
// like {a'}^2 and add the braces back in
|
|
// InsetMathScript::write().
|
|
// We do not do it, since it is not possible to detect
|
|
// reliably whether the braces are needed because the
|
|
// nucleus contains more than one symbol, or whether
|
|
// they are needed for unknown commands like \xx{a}_0
|
|
// or \yy{a}{b}_0. This was done in revision 14819
|
|
// in an unreliable way. See this thread
|
|
// http://www.mail-archive.com/lyx-devel%40lists.lyx.org/msg104917.html
|
|
// for more details.
|
|
// However, we remove empty braces because they look
|
|
// ugly on screen and we are sure that they were added
|
|
// by the write() method (and will be re-added on save).
|
|
if (p->nuc().size() == 1 &&
|
|
p->nuc().back()->asBraceInset() &&
|
|
p->nuc().back()->asBraceInset()->cell(0).empty())
|
|
p->nuc().erase(0);
|
|
|
|
parse(p->cell(p->idxOfScript(up)), FLAG_ITEM, mode);
|
|
if (limits) {
|
|
p->limits(limits);
|
|
limits = 0;
|
|
}
|
|
}
|
|
|
|
else if (t.character() == ']' && (flags & FLAG_BRACK_LAST)) {
|
|
//lyxerr << "finished reading option" << endl;
|
|
return success_;
|
|
}
|
|
|
|
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", buf);
|
|
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;
|
|
while (good()) {
|
|
Token const & t = getToken();
|
|
if (t.cat() == catNewline)
|
|
break;
|
|
s += t.asInput();
|
|
}
|
|
cell->push_back(MathAtom(new InsetMathComment(buf, s)));
|
|
skipSpaces();
|
|
}
|
|
|
|
//
|
|
// control sequences
|
|
//
|
|
|
|
else if (t.cs() == "lyxlock") {
|
|
if (!cell->empty())
|
|
cell->back().nucleus()->lock(true);
|
|
}
|
|
|
|
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(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") {
|
|
// 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 (!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(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}
|
|
// get name
|
|
docstring name;
|
|
if (nextToken().cat() == catBegin) {
|
|
getToken();
|
|
name = getToken().cs();
|
|
if (getToken().cat() != catEnd) {
|
|
error("'}' in \\newcommandx expected");
|
|
return success_;
|
|
}
|
|
} else
|
|
name = getToken().cs();
|
|
|
|
// 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_;
|
|
}
|
|
}
|
|
|
|
// skip ']'
|
|
if (!good())
|
|
return success_;
|
|
getToken();
|
|
}
|
|
|
|
// get 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,
|
|
name, nargs, optionals, MacroTypeNewcommandx,
|
|
optionalValues, def, display)));
|
|
|
|
if (buf && (mode_ & Parse::TRACKMACRO))
|
|
buf->usermacros.insert(name);
|
|
}
|
|
|
|
else if (t.cs() == "(") {
|
|
if (mode == InsetMath::UNDECIDED_MODE) {
|
|
cell->push_back(MathAtom(new InsetMathHull(buf, hullSimple)));
|
|
parse2(cell->back(), FLAG_SIMPLE2, InsetMath::MATH_MODE, false);
|
|
} else {
|
|
// Don't create nested math hulls (bug #5392)
|
|
cell->push_back(MathAtom(new InsetMathEnsureMath(buf)));
|
|
parse(cell->back().nucleus()->cell(0), FLAG_SIMPLE2, InsetMath::MATH_MODE);
|
|
}
|
|
}
|
|
|
|
else if (t.cs() == "[") {
|
|
if (mode != InsetMath::UNDECIDED_MODE) {
|
|
error("bad math environment [");
|
|
break;
|
|
}
|
|
cell->push_back(MathAtom(new InsetMathHull(buf, hullEquation)));
|
|
parse2(cell->back(), FLAG_EQUATION, InsetMath::MATH_MODE, false);
|
|
}
|
|
|
|
else if (t.cs() == "protect")
|
|
// ignore \\protect, will hopefully be re-added during output
|
|
;
|
|
|
|
else if (t.cs() == "end") {
|
|
if (flags & FLAG_END) {
|
|
// eat environment name
|
|
docstring const name = getArg('{', '}');
|
|
if (environments_.empty())
|
|
error("'found \\end{" + name +
|
|
"}' without matching '\\begin{" +
|
|
name + "}'");
|
|
else if (name != environments_.back())
|
|
error("'\\end{" + name +
|
|
"}' does not match '\\begin{" +
|
|
environments_.back() + "}'");
|
|
else {
|
|
environments_.pop_back();
|
|
// Delete empty last row in matrix
|
|
// like insets.
|
|
// If you abuse InsetMathGrid for
|
|
// non-matrix like structures you
|
|
// probably need to refine this test.
|
|
// Right now we only have to test for
|
|
// single line hull insets.
|
|
if (grid.nrows() > 1 && innerHull(name))
|
|
delEmptyLastRow(grid);
|
|
return success_;
|
|
}
|
|
} else
|
|
error("found 'end' unexpectedly");
|
|
}
|
|
|
|
else if (t.cs() == ")") {
|
|
if (flags & FLAG_SIMPLE2)
|
|
return success_;
|
|
error("found '\\)' unexpectedly");
|
|
}
|
|
|
|
else if (t.cs() == "]") {
|
|
if (flags & FLAG_EQUATION)
|
|
return success_;
|
|
error("found '\\]' unexpectedly");
|
|
}
|
|
|
|
else if (t.cs() == "\\") {
|
|
if (flags & FLAG_ALIGN)
|
|
return success_;
|
|
bool starred = false;
|
|
docstring arg;
|
|
if (nextToken().asInput() == "*") {
|
|
getToken();
|
|
starred = true;
|
|
} else if (nextToken().asInput() == "[")
|
|
arg = getArg('[', ']');
|
|
else if (!good())
|
|
error("missing token after \\\\");
|
|
// skip "{}" added in front of "[" (the
|
|
// counterpart is in InsetMathGrid::eolString())
|
|
// skip spaces because formula could come from tex2lyx
|
|
bool skipBraces = false;
|
|
pushPosition();
|
|
if (nextToken().cat() == catBegin) {
|
|
getToken();
|
|
if (nextToken().cat() == catEnd) {
|
|
getToken();
|
|
pushPosition();
|
|
skipSpaces();
|
|
if (nextToken().asInput() == "[")
|
|
skipBraces = true;
|
|
popPosition();
|
|
}
|
|
}
|
|
if (skipBraces)
|
|
dropPosition();
|
|
else
|
|
popPosition();
|
|
bool const added = addRow(grid, cellrow, arg, !starred);
|
|
if (added) {
|
|
cellcol = 0;
|
|
if (grid.asHullInset())
|
|
grid.asHullInset()->numbered(
|
|
cellrow, numbered);
|
|
cell = &grid.cell(grid.index(cellrow,
|
|
cellcol));
|
|
}
|
|
}
|
|
|
|
#if 0
|
|
else if (t.cs() == "multicolumn") {
|
|
// extract column count and insert dummy cells
|
|
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;
|
|
}
|
|
}
|
|
// 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);
|
|
|
|
// parse the remaining contents into the "real" cell
|
|
parse(*cell, FLAG_ITEM, mode);
|
|
}
|
|
#endif
|
|
|
|
else if (t.cs() == "limits" || t.cs() == "nolimits") {
|
|
CatCode const cat = nextToken().cat();
|
|
if (cat == catSuper || cat == catSub)
|
|
limits = t.cs() == "limits" ? 1 : -1;
|
|
else {
|
|
MathAtom at = createInsetMath(t.cs(), buf);
|
|
cell->push_back(at);
|
|
}
|
|
}
|
|
|
|
// \notag is the same as \nonumber if amsmath is used
|
|
else if ((t.cs() == "nonumber" || t.cs() == "notag") &&
|
|
grid.asHullInset())
|
|
grid.asHullInset()->numbered(cellrow, false);
|
|
|
|
else if (t.cs() == "number" && grid.asHullInset())
|
|
grid.asHullInset()->numbered(cellrow, true);
|
|
|
|
else if (t.cs() == "hline") {
|
|
grid.rowinfo(cellrow).lines_ ++;
|
|
}
|
|
|
|
else if (t.cs() == "sqrt") {
|
|
MathData ar;
|
|
parse(ar, FLAG_OPTION, mode);
|
|
if (!ar.empty()) {
|
|
cell->push_back(MathAtom(new InsetMathRoot(buf)));
|
|
cell->back().nucleus()->cell(0) = ar;
|
|
parse(cell->back().nucleus()->cell(1), FLAG_ITEM, mode);
|
|
} else {
|
|
cell->push_back(MathAtom(new InsetMathSqrt(buf)));
|
|
parse(cell->back().nucleus()->cell(0), FLAG_ITEM, mode);
|
|
}
|
|
}
|
|
|
|
else if (t.cs() == "cancelto") {
|
|
MathData ar;
|
|
parse(ar, FLAG_ITEM, mode);
|
|
cell->push_back(MathAtom(new InsetMathCancelto(buf)));
|
|
cell->back().nucleus()->cell(1) = ar;
|
|
parse(cell->back().nucleus()->cell(0), FLAG_ITEM, mode);
|
|
}
|
|
|
|
else if (t.cs() == "unit") {
|
|
// Allowed formats \unit[val]{unit}
|
|
MathData ar;
|
|
parse(ar, FLAG_OPTION, mode);
|
|
if (!ar.empty()) {
|
|
cell->push_back(MathAtom(new InsetMathFrac(buf, InsetMathFrac::UNIT)));
|
|
cell->back().nucleus()->cell(0) = ar;
|
|
parse(cell->back().nucleus()->cell(1), FLAG_ITEM, mode);
|
|
} else {
|
|
cell->push_back(MathAtom(new InsetMathFrac(buf, 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.empty()) {
|
|
cell->push_back(MathAtom(new InsetMathFrac(buf, InsetMathFrac::UNITFRAC, 3)));
|
|
cell->back().nucleus()->cell(2) = ar;
|
|
} else {
|
|
cell->push_back(MathAtom(new InsetMathFrac(buf, 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(buf, InsetMathFrac::CFRACLEFT)));
|
|
else if (arg == "r")
|
|
cell->push_back(MathAtom(new InsetMathFrac(buf, InsetMathFrac::CFRACRIGHT)));
|
|
else if (arg.empty() || arg == "c")
|
|
cell->push_back(MathAtom(new InsetMathFrac(buf, 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() == "sideset") {
|
|
// Here allowed formats are \sideset{_{bl}^{tl}}{_{br}^{tr}}{operator}
|
|
MathData ar[2];
|
|
InsetMathScript * script[2] = {0, 0};
|
|
for (int i = 0; i < 2; ++i) {
|
|
parse(ar[i], FLAG_ITEM, mode);
|
|
if (ar[i].size() == 1)
|
|
script[i] = ar[i][0].nucleus()->asScriptInset();
|
|
}
|
|
bool const hasscript[2] = {script[0] ? true : false, script[1] ? true : false};
|
|
cell->push_back(MathAtom(new InsetMathSideset(buf, hasscript[0], hasscript[1])));
|
|
if (hasscript[0]) {
|
|
if (script[0]->hasDown())
|
|
cell->back().nucleus()->cell(1) = script[0]->down();
|
|
if (script[0]->hasUp())
|
|
cell->back().nucleus()->cell(2) = script[0]->up();
|
|
} else
|
|
cell->back().nucleus()->cell(1) = ar[0];
|
|
if (hasscript[1]) {
|
|
if (script[1]->hasDown())
|
|
cell->back().nucleus()->cell(2 + hasscript[0]) = script[1]->down();
|
|
if (script[1]->hasUp())
|
|
cell->back().nucleus()->cell(3 + hasscript[0]) = script[1]->up();
|
|
} else
|
|
cell->back().nucleus()->cell(2 + hasscript[0]) = ar[1];
|
|
parse(cell->back().nucleus()->cell(0), FLAG_ITEM, mode);
|
|
}
|
|
|
|
else if (t.cs() == "stackrel") {
|
|
// Here allowed formats are \stackrel[subscript]{superscript}{operator}
|
|
MathData ar;
|
|
parse(ar, FLAG_OPTION, mode);
|
|
cell->push_back(MathAtom(new InsetMathStackrel(buf, !ar.empty())));
|
|
if (!ar.empty())
|
|
cell->back().nucleus()->cell(2) = ar;
|
|
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(), buf));
|
|
parse(cell->back().nucleus()->cell(1), FLAG_OPTION, mode);
|
|
parse(cell->back().nucleus()->cell(0), FLAG_ITEM, mode);
|
|
}
|
|
|
|
else if (t.cs() == "xhookrightarrow" || t.cs() == "xhookleftarrow" ||
|
|
t.cs() == "xRightarrow" || t.cs() == "xLeftarrow" ||
|
|
t.cs() == "xleftrightarrow" || t.cs() == "xLeftrightarrow" ||
|
|
t.cs() == "xrightharpoondown" || t.cs() == "xrightharpoonup" ||
|
|
t.cs() == "xleftharpoondown" || t.cs() == "xleftharpoonup" ||
|
|
t.cs() == "xleftrightharpoons" || t.cs() == "xrightleftharpoons" ||
|
|
t.cs() == "xmapsto") {
|
|
cell->push_back(createInsetMath(t.cs(), buf));
|
|
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() == "eqref" || t.cs() == "prettyref"
|
|
|| 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();
|
|
if (!opt.empty()) {
|
|
cell->back().nucleus()->cell(1).push_back(
|
|
MathAtom(new InsetMathString(opt)));
|
|
}
|
|
cell->back().nucleus()->cell(0).push_back(
|
|
MathAtom(new InsetMathString(ref)));
|
|
}
|
|
|
|
else if (t.cs() == "left") {
|
|
skipSpaces();
|
|
Token const & tl = getToken();
|
|
// \| and \Vert are equivalent, and InsetMathDelim
|
|
// can't handle \|
|
|
// FIXME: fix this in InsetMathDelim itself!
|
|
docstring const l = tl.cs() == "|" ? from_ascii("Vert") : tl.asString();
|
|
MathData ar;
|
|
parse(ar, FLAG_RIGHT, mode);
|
|
if (!good())
|
|
break;
|
|
skipSpaces();
|
|
Token const & tr = getToken();
|
|
docstring const r = tr.cs() == "|" ? from_ascii("Vert") : tr.asString();
|
|
cell->push_back(MathAtom(new InsetMathDelim(buf, l, r, ar)));
|
|
}
|
|
|
|
else if (t.cs() == "right") {
|
|
if (flags & FLAG_RIGHT)
|
|
return success_;
|
|
//lyxerr << "got so far: '" << cell << "'" << endl;
|
|
error("Unmatched right delimiter");
|
|
return success_;
|
|
}
|
|
|
|
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") {
|
|
docstring const valign = parse_verbatim_option() + 'c';
|
|
docstring const halign = parse_verbatim_item();
|
|
cell->push_back(MathAtom(new InsetMathArray(buf, 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(buf, name,
|
|
InsetMathGrid::guessColumns(halign), 1, (char)valign[0], halign)));
|
|
parse2(cell->back(), FLAG_END, InsetMath::TEXT_MODE, false);
|
|
}
|
|
|
|
else if (name == "split" || name == "cases") {
|
|
cell->push_back(createInsetMath(name, buf));
|
|
parse2(cell->back(), FLAG_END, mode, false);
|
|
}
|
|
|
|
else if (name == "alignedat") {
|
|
docstring const valign = parse_verbatim_option() + 'c';
|
|
// ignore this for a while
|
|
getArg('{', '}');
|
|
cell->push_back(MathAtom(new InsetMathSplit(buf, name, (char)valign[0])));
|
|
parse2(cell->back(), FLAG_END, mode, false);
|
|
}
|
|
|
|
else if (name == "math") {
|
|
if (mode == InsetMath::UNDECIDED_MODE) {
|
|
cell->push_back(MathAtom(new InsetMathHull(buf, hullSimple)));
|
|
parse2(cell->back(), FLAG_END, InsetMath::MATH_MODE, false);
|
|
} else {
|
|
// Don't create nested math hulls (bug #5392)
|
|
cell->push_back(MathAtom(new InsetMathEnsureMath(buf)));
|
|
parse(cell->back().nucleus()->cell(0), FLAG_END, InsetMath::MATH_MODE);
|
|
}
|
|
}
|
|
|
|
else if (name == "equation" || name == "equation*"
|
|
|| name == "displaymath") {
|
|
if (mode != InsetMath::UNDECIDED_MODE) {
|
|
error("bad math environment " + name);
|
|
break;
|
|
}
|
|
cell->push_back(MathAtom(new InsetMathHull(buf, 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 " + name);
|
|
break;
|
|
}
|
|
cell->push_back(MathAtom(new InsetMathHull(buf, hullEqnArray)));
|
|
parse2(cell->back(), FLAG_END, InsetMath::MATH_MODE, !stared(name));
|
|
}
|
|
|
|
else if (name == "align" || name == "align*") {
|
|
if (mode == InsetMath::UNDECIDED_MODE) {
|
|
cell->push_back(MathAtom(new InsetMathHull(buf, hullAlign)));
|
|
parse2(cell->back(), FLAG_END, InsetMath::MATH_MODE, !stared(name));
|
|
} else {
|
|
cell->push_back(MathAtom(new InsetMathSplit(buf, name,
|
|
'c', !stared(name))));
|
|
parse2(cell->back(), FLAG_END, mode, !stared(name));
|
|
}
|
|
}
|
|
|
|
else if (name == "flalign" || name == "flalign*") {
|
|
if (mode != InsetMath::UNDECIDED_MODE) {
|
|
error("bad math environment " + name);
|
|
break;
|
|
}
|
|
cell->push_back(MathAtom(new InsetMathHull(buf, 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 " + name);
|
|
break;
|
|
}
|
|
// ignore this for a while
|
|
getArg('{', '}');
|
|
cell->push_back(MathAtom(new InsetMathHull(buf, hullAlignAt)));
|
|
parse2(cell->back(), FLAG_END, InsetMath::MATH_MODE, !stared(name));
|
|
}
|
|
|
|
else if (name == "xalignat" || name == "xalignat*") {
|
|
if (mode != InsetMath::UNDECIDED_MODE) {
|
|
error("bad math environment " + name);
|
|
break;
|
|
}
|
|
// ignore this for a while
|
|
getArg('{', '}');
|
|
cell->push_back(MathAtom(new InsetMathHull(buf, hullXAlignAt)));
|
|
parse2(cell->back(), FLAG_END, InsetMath::MATH_MODE, !stared(name));
|
|
}
|
|
|
|
else if (name == "xxalignat") {
|
|
if (mode != InsetMath::UNDECIDED_MODE) {
|
|
error("bad math environment " + name);
|
|
break;
|
|
}
|
|
// ignore this for a while
|
|
getArg('{', '}');
|
|
cell->push_back(MathAtom(new InsetMathHull(buf, hullXXAlignAt)));
|
|
parse2(cell->back(), FLAG_END, InsetMath::MATH_MODE, !stared(name));
|
|
}
|
|
|
|
else if (name == "multline" || name == "multline*") {
|
|
if (mode != InsetMath::UNDECIDED_MODE) {
|
|
error("bad math environment " + name);
|
|
break;
|
|
}
|
|
cell->push_back(MathAtom(new InsetMathHull(buf, 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 " + name);
|
|
break;
|
|
}
|
|
cell->push_back(MathAtom(new InsetMathHull(buf, hullGather)));
|
|
parse2(cell->back(), FLAG_END, InsetMath::MATH_MODE, !stared(name));
|
|
}
|
|
|
|
else if (latexkeys const * l = in_word_set(name)) {
|
|
if (l->inset == "matrix") {
|
|
cell->push_back(createInsetMath(name, buf));
|
|
parse2(cell->back(), FLAG_END, mode, false);
|
|
} else if (l->inset == "split") {
|
|
docstring const valign = parse_verbatim_option() + 'c';
|
|
cell->push_back(MathAtom(
|
|
new InsetMathSplit(buf, name, (char)valign[0])));
|
|
parse2(cell->back(), FLAG_END, mode, false);
|
|
} else {
|
|
success_ = false;
|
|
if (!(mode_ & Parse::QUIET)) {
|
|
dump();
|
|
lyxerr << "found math environment `"
|
|
<< to_utf8(name)
|
|
<< "' in symbols file with unsupported inset `"
|
|
<< l->inset
|
|
<< "'." << endl;
|
|
}
|
|
// create generic environment inset
|
|
cell->push_back(MathAtom(new InsetMathEnv(buf, name)));
|
|
parse(cell->back().nucleus()->cell(0), FLAG_END, mode);
|
|
}
|
|
}
|
|
|
|
else {
|
|
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(buf, name)));
|
|
parse(cell->back().nucleus()->cell(0), FLAG_END, mode);
|
|
}
|
|
}
|
|
|
|
else if (t.cs() == "kern") {
|
|
// FIXME: A hack...
|
|
docstring s;
|
|
int num_tokens = 0;
|
|
while (true) {
|
|
Token const & t = getToken();
|
|
++num_tokens;
|
|
if (!good()) {
|
|
s.clear();
|
|
while (num_tokens--)
|
|
putback();
|
|
break;
|
|
}
|
|
s += t.character();
|
|
if (isValidLength(to_utf8(s)))
|
|
break;
|
|
}
|
|
if (s.empty())
|
|
cell->push_back(MathAtom(new InsetMathKern));
|
|
else
|
|
cell->push_back(MathAtom(new InsetMathKern(s)));
|
|
}
|
|
|
|
else if (t.cs() == "label") {
|
|
// FIXME: This is swallowed in inline formulas
|
|
docstring label = parse_verbatim_item();
|
|
MathData ar;
|
|
asArray(label, ar);
|
|
if (grid.asHullInset()) {
|
|
grid.asHullInset()->label(cellrow, label);
|
|
} else {
|
|
cell->push_back(createInsetMath(t.cs(), buf));
|
|
cell->push_back(MathAtom(new InsetMathBrace(ar)));
|
|
}
|
|
}
|
|
|
|
else if (t.cs() == "choose" || t.cs() == "over"
|
|
|| t.cs() == "atop" || t.cs() == "brace"
|
|
|| t.cs() == "brack") {
|
|
MathAtom at = createInsetMath(t.cs(), buf);
|
|
at.nucleus()->cell(0) = *cell;
|
|
cell->clear();
|
|
parse(at.nucleus()->cell(1), flags, mode);
|
|
cell->push_back(at);
|
|
return success_;
|
|
}
|
|
|
|
else if (t.cs() == "color") {
|
|
docstring const color = parse_verbatim_item();
|
|
cell->push_back(MathAtom(new InsetMathColor(buf, true, color)));
|
|
parse(cell->back().nucleus()->cell(0), flags, mode);
|
|
return success_;
|
|
}
|
|
|
|
else if (t.cs() == "textcolor") {
|
|
docstring const color = parse_verbatim_item();
|
|
cell->push_back(MathAtom(new InsetMathColor(buf, false, color)));
|
|
parse(cell->back().nucleus()->cell(0), FLAG_ITEM, InsetMath::TEXT_MODE);
|
|
}
|
|
|
|
else if (t.cs() == "normalcolor") {
|
|
cell->push_back(createInsetMath(t.cs(), buf));
|
|
parse(cell->back().nucleus()->cell(0), flags, mode);
|
|
return success_;
|
|
}
|
|
|
|
else if (t.cs() == "substack") {
|
|
cell->push_back(createInsetMath(t.cs(), buf));
|
|
parse2(cell->back(), FLAG_ITEM, mode, false);
|
|
// Delete empty last row if present
|
|
InsetMathGrid & subgrid =
|
|
*(cell->back().nucleus()->asGridInset());
|
|
if (subgrid.nrows() > 1)
|
|
delEmptyLastRow(subgrid);
|
|
}
|
|
|
|
else if (t.cs() == "xymatrix") {
|
|
odocstringstream os;
|
|
while (good() && nextToken().cat() != catBegin)
|
|
os << getToken().asInput();
|
|
cell->push_back(createInsetMath(t.cs() + os.str(), buf));
|
|
parse2(cell->back(), FLAG_ITEM, mode, false);
|
|
// Delete empty last row if present
|
|
InsetMathGrid & subgrid =
|
|
*(cell->back().nucleus()->asGridInset());
|
|
if (subgrid.nrows() > 1)
|
|
delEmptyLastRow(subgrid);
|
|
}
|
|
|
|
else if (t.cs() == "Diagram") {
|
|
odocstringstream os;
|
|
while (good() && nextToken().cat() != catBegin)
|
|
os << getToken().asInput();
|
|
cell->push_back(createInsetMath(t.cs() + os.str(), buf));
|
|
parse2(cell->back(), FLAG_ITEM, mode, false);
|
|
}
|
|
|
|
else if (t.cs() == "framebox" || t.cs() == "makebox") {
|
|
cell->push_back(createInsetMath(t.cs(), buf));
|
|
parse(cell->back().nucleus()->cell(0), FLAG_OPTION, InsetMath::TEXT_MODE);
|
|
parse(cell->back().nucleus()->cell(1), FLAG_OPTION, InsetMath::TEXT_MODE);
|
|
parse(cell->back().nucleus()->cell(2), FLAG_ITEM, InsetMath::TEXT_MODE);
|
|
}
|
|
|
|
else if (t.cs() == "tag") {
|
|
if (nextToken().character() == '*') {
|
|
getToken();
|
|
cell->push_back(createInsetMath(t.cs() + '*', buf));
|
|
} else
|
|
cell->push_back(createInsetMath(t.cs(), buf));
|
|
parse(cell->back().nucleus()->cell(0), FLAG_ITEM, InsetMath::TEXT_MODE);
|
|
}
|
|
|
|
else if (t.cs() == "hspace") {
|
|
bool const prot = nextToken().character() == '*';
|
|
if (prot)
|
|
getToken();
|
|
docstring const name = t.cs();
|
|
docstring const arg = parse_verbatim_item();
|
|
Length length;
|
|
if (prot && arg == "\\fill")
|
|
cell->push_back(MathAtom(new InsetMathSpace("hspace*{\\fill}", "")));
|
|
else if (isValidLength(to_utf8(arg), &length))
|
|
cell->push_back(MathAtom(new InsetMathSpace(length, prot)));
|
|
else {
|
|
// Since the Length class cannot use length variables
|
|
// we must not create an InsetMathSpace.
|
|
cell->push_back(MathAtom(new MathMacro(buf, name)));
|
|
MathData ar;
|
|
mathed_parse_cell(ar, '{' + arg + '}', mode_);
|
|
cell->append(ar);
|
|
}
|
|
}
|
|
|
|
else if (t.cs() == "smash") {
|
|
skipSpaces();
|
|
if (nextToken().asInput() == "[") {
|
|
// Since the phantom inset cannot handle optional arguments
|
|
// other than b and t, we must not create an InsetMathPhantom
|
|
// if opt is different from b and t (bug 8967).
|
|
docstring const opt = parse_verbatim_option();
|
|
if (opt == "t" || opt == "b") {
|
|
cell->push_back(createInsetMath(t.cs() + opt, buf));
|
|
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())));
|
|
MathData ar;
|
|
mathed_parse_cell(ar, '[' + opt + ']', mode_);
|
|
cell->append(ar);
|
|
ar = MathData();
|
|
mathed_parse_cell(ar, '{' + arg + '}', mode_);
|
|
cell->append(ar);
|
|
}
|
|
}
|
|
else {
|
|
cell->push_back(createInsetMath(t.cs(), buf));
|
|
parse(cell->back().nucleus()->cell(0), FLAG_ITEM, mode);
|
|
}
|
|
}
|
|
|
|
#if 0
|
|
else if (t.cs() == "infer") {
|
|
MathData ar;
|
|
parse(ar, FLAG_OPTION, mode);
|
|
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") {
|
|
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_;
|
|
}
|
|
bool termination;
|
|
docstring rem;
|
|
do {
|
|
cmd = Encodings::fromLaTeXCommand(cmd,
|
|
Encodings::MATH_CMD | Encodings::TEXT_CMD,
|
|
termination, rem);
|
|
for (size_t i = 0; i < cmd.size(); ++i)
|
|
cell->push_back(MathAtom(new InsetMathChar(cmd[i])));
|
|
if (!rem.empty()) {
|
|
char_type c = rem[0];
|
|
cell->push_back(MathAtom(new InsetMathChar(c)));
|
|
cmd = rem.substr(1);
|
|
rem.clear();
|
|
} else
|
|
cmd.clear();
|
|
} while (!cmd.empty());
|
|
}
|
|
|
|
else if (!t.cs().empty()) {
|
|
bool const no_mhchem =
|
|
(t.cs() == "ce" || t.cs() == "cf")
|
|
&& buf && buf->params().use_package("mhchem") ==
|
|
BufferParams::package_off;
|
|
|
|
bool const is_user_macro = no_mhchem ||
|
|
(buf && (mode_ & Parse::TRACKMACRO
|
|
? buf->usermacros.count(t.cs()) != 0
|
|
: buf->getMacro(t.cs(), false) != 0));
|
|
|
|
latexkeys const * l = in_word_set(t.cs());
|
|
if (l && !is_user_macro) {
|
|
if (l->inset == "big") {
|
|
skipSpaces();
|
|
docstring const delim = getToken().asInput();
|
|
if (InsetMathBig::isBigInsetDelim(delim))
|
|
cell->push_back(MathAtom(
|
|
new InsetMathBig(t.cs(), delim)));
|
|
else {
|
|
cell->push_back(createInsetMath(t.cs(), buf));
|
|
putback();
|
|
}
|
|
}
|
|
|
|
else if (l->inset == "font") {
|
|
cell->push_back(createInsetMath(t.cs(), buf));
|
|
parse(cell->back().nucleus()->cell(0),
|
|
FLAG_ITEM, asMode(mode, l->extra));
|
|
}
|
|
|
|
else if (l->inset == "oldfont") {
|
|
cell->push_back(createInsetMath(t.cs(), buf));
|
|
parse(cell->back().nucleus()->cell(0),
|
|
flags | FLAG_ALIGN, asMode(mode, l->extra));
|
|
if (prevToken().cat() != catAlign &&
|
|
prevToken().cs() != "\\")
|
|
return success_;
|
|
putback();
|
|
}
|
|
|
|
else if (l->inset == "style") {
|
|
cell->push_back(createInsetMath(t.cs(), buf));
|
|
parse(cell->back().nucleus()->cell(0),
|
|
flags | FLAG_ALIGN, mode);
|
|
if (prevToken().cat() != catAlign &&
|
|
prevToken().cs() != "\\")
|
|
return success_;
|
|
putback();
|
|
}
|
|
|
|
else {
|
|
MathAtom at = createInsetMath(t.cs(), buf);
|
|
for (InsetMath::idx_type i = 0; i < at->nargs(); ++i)
|
|
parse(at.nucleus()->cell(i),
|
|
FLAG_ITEM, asMode(mode, l->extra));
|
|
cell->push_back(at);
|
|
}
|
|
}
|
|
|
|
else {
|
|
bool is_unicode_symbol = false;
|
|
if (mode == InsetMath::TEXT_MODE && !is_user_macro) {
|
|
int num_tokens = 0;
|
|
docstring cmd = prevToken().asInput();
|
|
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;
|
|
bool termination;
|
|
char_type c = Encodings::fromLaTeXCommand(cmd,
|
|
Encodings::MATH_CMD | Encodings::TEXT_CMD,
|
|
is_combining, termination);
|
|
if (is_combining) {
|
|
if (cat == catLetter)
|
|
cmd += '{';
|
|
cmd += getToken().asInput();
|
|
++num_tokens;
|
|
if (cat == catLetter)
|
|
cmd += '}';
|
|
c = Encodings::fromLaTeXCommand(cmd,
|
|
Encodings::MATH_CMD | Encodings::TEXT_CMD,
|
|
is_combining, termination);
|
|
}
|
|
if (c) {
|
|
if (termination) {
|
|
if (nextToken().cat() == catBegin) {
|
|
getToken();
|
|
if (nextToken().cat() == catEnd) {
|
|
getToken();
|
|
num_tokens += 2;
|
|
} else
|
|
putback();
|
|
} else {
|
|
while (nextToken().cat() == catSpace) {
|
|
getToken();
|
|
++num_tokens;
|
|
}
|
|
}
|
|
}
|
|
is_unicode_symbol = true;
|
|
cell->push_back(MathAtom(new InsetMathChar(c)));
|
|
} else {
|
|
while (num_tokens--)
|
|
putback();
|
|
}
|
|
}
|
|
if (!is_unicode_symbol) {
|
|
MathAtom at = is_user_macro ?
|
|
MathAtom(new MathMacro(buf, t.cs()))
|
|
: createInsetMath(t.cs(), buf);
|
|
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.empty()) {
|
|
// 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);
|
|
if (mode == InsetMath::MATH_MODE)
|
|
skipSpaces();
|
|
}
|
|
cell->push_back(at);
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
if (flags & FLAG_LEAVE) {
|
|
flags &= ~FLAG_LEAVE;
|
|
break;
|
|
}
|
|
}
|
|
return success_;
|
|
}
|
|
|
|
|
|
|
|
} // 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 ?
|
|
InsetMath::TEXT_MODE : InsetMath::MATH_MODE);
|
|
}
|
|
|
|
|
|
bool mathed_parse_cell(MathData & ar, istream & is, Parse::flags f)
|
|
{
|
|
return Parser(is, f, ar.buffer()).parse(ar, 0, f & Parse::TEXTMODE ?
|
|
InsetMath::TEXT_MODE : InsetMath::MATH_MODE);
|
|
}
|
|
|
|
|
|
bool mathed_parse_normal(Buffer * buf, MathAtom & t, docstring const & str,
|
|
Parse::flags f)
|
|
{
|
|
return Parser(str, f, buf).parse(t);
|
|
}
|
|
|
|
|
|
bool mathed_parse_normal(Buffer * buf, MathAtom & t, Lexer & lex,
|
|
Parse::flags f)
|
|
{
|
|
return Parser(lex, f, buf).parse(t);
|
|
}
|
|
|
|
|
|
bool mathed_parse_normal(InsetMathGrid & grid, docstring const & str,
|
|
Parse::flags f)
|
|
{
|
|
return Parser(str, f, &grid.buffer()).parse1(grid, 0, f & Parse::TEXTMODE ?
|
|
InsetMath::TEXT_MODE : InsetMath::MATH_MODE, false);
|
|
}
|
|
|
|
|
|
void initParser()
|
|
{
|
|
fill(theCatcode, theCatcode + 128, catOther);
|
|
fill(theCatcode + 'a', theCatcode + 'z' + 1, catLetter);
|
|
fill(theCatcode + 'A', theCatcode + 'Z' + 1, catLetter);
|
|
|
|
theCatcode[int('\\')] = catEscape;
|
|
theCatcode[int('{')] = catBegin;
|
|
theCatcode[int('}')] = catEnd;
|
|
theCatcode[int('$')] = catMath;
|
|
theCatcode[int('&')] = catAlign;
|
|
theCatcode[int('\n')] = catNewline;
|
|
theCatcode[int('#')] = catParameter;
|
|
theCatcode[int('^')] = catSuper;
|
|
theCatcode[int('_')] = catSub;
|
|
theCatcode[int(0x7f)] = catIgnore;
|
|
theCatcode[int(' ')] = catSpace;
|
|
theCatcode[int('\t')] = catSpace;
|
|
theCatcode[int('\r')] = catNewline;
|
|
theCatcode[int('~')] = catActive;
|
|
theCatcode[int('%')] = catComment;
|
|
}
|
|
|
|
|
|
} // namespace lyx
|