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https://git.lyx.org/repos/lyx.git
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a866d2e1a9
git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@33698 a592a061-630c-0410-9148-cb99ea01b6c8
552 lines
15 KiB
C++
552 lines
15 KiB
C++
/**
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* \file MathFactory.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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#include <config.h>
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#include "MathFactory.h"
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#include "InsetMathAMSArray.h"
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#include "InsetMathArray.h"
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#include "InsetMathBoldSymbol.h"
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#include "InsetMathBox.h"
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#include "InsetMathCases.h"
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#include "InsetMathColor.h"
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#include "InsetMathDecoration.h"
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#include "InsetMathDots.h"
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#include "InsetMathEnsureMath.h"
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#include "InsetMathFont.h"
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#include "InsetMathFontOld.h"
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#include "InsetMathFrac.h"
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#include "InsetMathKern.h"
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#include "InsetMathLefteqn.h"
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#include "InsetMathOverset.h"
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#include "InsetMathPhantom.h"
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#include "InsetMathRef.h"
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#include "InsetMathRoot.h"
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#include "InsetMathSize.h"
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#include "InsetMathSpace.h"
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#include "InsetMathSpecialChar.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 "InsetMathSubstack.h"
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#include "InsetMathSymbol.h"
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#include "InsetMathTabular.h"
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#include "InsetMathUnderset.h"
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#include "InsetMathUnknown.h"
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#include "InsetMathHull.h"
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#include "InsetMathXArrow.h"
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#include "InsetMathXYMatrix.h"
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#include "MacroTable.h"
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#include "MathMacro.h"
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#include "MathMacroArgument.h"
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#include "MathParser.h"
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#include "MathStream.h"
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#include "MathSupport.h"
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#include "insets/InsetCommand.h"
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#include "insets/InsetSpace.h"
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#include "support/debug.h"
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#include "support/docstream.h"
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#include "support/FileName.h"
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#include "support/filetools.h" // LibFileSearch
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#include "support/lstrings.h"
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#include "frontends/FontLoader.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 "LyX.h" // use_gui
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#include "OutputParams.h"
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using namespace std;
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using namespace lyx::support;
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namespace lyx {
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bool has_math_fonts;
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namespace {
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MathWordList theWordList;
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bool isMathFontAvailable(docstring & name)
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{
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if (!use_gui)
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return false;
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FontInfo f;
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augmentFont(f, name);
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// Do we have the font proper?
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if (theFontLoader().available(f))
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return true;
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// can we fake it?
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if (name == "eufrak") {
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name = from_ascii("lyxfakefrak");
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return true;
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}
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LYXERR(Debug::MATHED,
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"font " << to_utf8(name) << " not available and I can't fake it");
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return false;
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}
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void initSymbols()
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{
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FileName const filename = libFileSearch(string(), "symbols");
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LYXERR(Debug::MATHED, "read symbols from " << filename);
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if (filename.empty()) {
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lyxerr << "Could not find symbols file" << endl;
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return;
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}
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ifstream fs(filename.toFilesystemEncoding().c_str());
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string line;
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bool skip = false;
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while (getline(fs, line)) {
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int charid = 0;
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int fallbackid = 0;
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if (line.empty() || line[0] == '#')
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continue;
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// special case of iffont/else/endif
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if (line.size() >= 7 && line.substr(0, 6) == "iffont") {
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istringstream is(line);
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string tmp;
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is >> tmp;
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is >> tmp;
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docstring t = from_utf8(tmp);
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skip = !isMathFontAvailable(t);
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continue;
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} else if (line.size() >= 4 && line.substr(0, 4) == "else") {
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skip = !skip;
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continue;
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} else if (line.size() >= 5 && line.substr(0, 5) == "endif") {
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skip = false;
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continue;
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} else if (skip)
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continue;
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// special case of pre-defined macros
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if (line.size() > 8 && line.substr(0, 5) == "\\def\\") {
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//lyxerr << "macro definition: '" << line << '\'' << endl;
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istringstream is(line);
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string macro;
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string requires;
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is >> macro >> requires;
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MacroTable::globalMacros().insert(0, from_utf8(macro), requires);
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continue;
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}
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idocstringstream is(from_utf8(line));
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latexkeys tmp;
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is >> tmp.name >> tmp.inset;
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if (isFontName(tmp.inset))
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is >> charid >> fallbackid >> tmp.extra >> tmp.xmlname;
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else
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is >> tmp.extra;
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// requires is optional
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if (is)
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is >> tmp.requires;
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else {
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LYXERR(Debug::MATHED, "skipping line '" << line << "'\n"
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<< to_utf8(tmp.name) << ' ' << to_utf8(tmp.inset) << ' '
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<< to_utf8(tmp.extra));
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continue;
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}
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if (isFontName(tmp.inset)) {
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// tmp.inset _is_ the fontname here.
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// create fallbacks if necessary
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// store requirements as long as we can
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if (tmp.requires.empty()) {
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if (tmp.inset == "msa" || tmp.inset == "msb")
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tmp.requires = from_ascii("amssymb");
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else if (tmp.inset == "wasy")
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tmp.requires = from_ascii("wasysym");
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}
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// symbol font is not available sometimes
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docstring symbol_font = from_ascii("lyxsymbol");
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if (tmp.extra == "func" || tmp.extra == "funclim" || tmp.extra == "special") {
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LYXERR(Debug::MATHED, "symbol abuse for " << to_utf8(tmp.name));
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tmp.draw = tmp.name;
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} else if (isMathFontAvailable(tmp.inset)) {
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LYXERR(Debug::MATHED, "symbol available for " << to_utf8(tmp.name));
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tmp.draw.push_back(char_type(charid));
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} else if (fallbackid && isMathFontAvailable(symbol_font)) {
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if (tmp.inset == "cmex")
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tmp.inset = from_ascii("lyxsymbol");
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else
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tmp.inset = from_ascii("lyxboldsymbol");
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LYXERR(Debug::MATHED, "symbol fallback for " << to_utf8(tmp.name));
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tmp.draw.push_back(char_type(fallbackid));
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} else {
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LYXERR(Debug::MATHED, "faking " << to_utf8(tmp.name));
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tmp.draw = tmp.name;
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tmp.inset = from_ascii("lyxtex");
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}
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} else {
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// it's a proper inset
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LYXERR(Debug::MATHED, "inset " << to_utf8(tmp.inset)
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<< " used for " << to_utf8(tmp.name));
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}
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if (theWordList.find(tmp.name) != theWordList.end())
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LYXERR(Debug::MATHED, "readSymbols: inset " << to_utf8(tmp.name)
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<< " already exists.");
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else
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theWordList[tmp.name] = tmp;
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LYXERR(Debug::MATHED, "read symbol '" << to_utf8(tmp.name)
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<< " inset: " << to_utf8(tmp.inset)
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<< " draw: " << int(tmp.draw.empty() ? 0 : tmp.draw[0])
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<< " extra: " << to_utf8(tmp.extra)
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<< " requires: " << to_utf8(tmp.requires) << '\'');
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}
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docstring tmp = from_ascii("cmm");
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docstring tmp2 = from_ascii("cmsy");
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has_math_fonts = isMathFontAvailable(tmp) && isMathFontAvailable(tmp2);
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}
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bool isSpecialChar(docstring const & name)
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{
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if (name.size() != 1)
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return name == "textasciicircum" || name == "mathcircumflex" ||
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name == "textasciitilde" || name == "textbackslash";
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char_type const c = name.at(0);
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return c == '{' || c == '}' || c == '&' || c == '$' ||
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c == '#' || c == '%' || c == '_' || c == ' ';
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}
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} // namespace anon
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MathWordList const & mathedWordList()
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{
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return theWordList;
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}
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void initMath()
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{
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static bool initialized = false;
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if (!initialized) {
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initialized = true;
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initParser();
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initSymbols();
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}
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}
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bool ensureMath(WriteStream & os, bool needs_math_mode, bool macro)
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{
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bool brace = os.pendingBrace();
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os.pendingBrace(false);
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if (!os.latex())
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return brace;
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if (os.textMode() && needs_math_mode) {
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os << "\\ensuremath{";
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os.textMode(false);
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brace = true;
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} else if (macro && brace && !needs_math_mode) {
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// This is a user defined macro, but not a MathMacro, so we
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// cannot be sure what mode is needed. As it was entered in
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// a text box, we restore the text mode.
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os << '}';
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os.textMode(true);
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brace = false;
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}
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return brace;
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}
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int ensureMode(WriteStream & os, InsetMath::mode_type mode,
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bool locked, bool ascii)
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{
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bool textmode = mode == InsetMath::TEXT_MODE;
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if (os.latex() && textmode && os.pendingBrace()) {
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os.os() << '}';
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os.pendingBrace(false);
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os.pendingSpace(false);
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os.textMode(true);
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}
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int oldmodes = os.textMode() ? 0x01 : 0;
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os.textMode(textmode);
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oldmodes |= os.lockedMode() ? 0x02 : 0;
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os.lockedMode(locked);
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oldmodes |= os.asciiOnly() ? 0x04 : 0;
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os.asciiOnly(ascii);
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return oldmodes;
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}
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latexkeys const * in_word_set(docstring const & str)
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{
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MathWordList::iterator it = theWordList.find(str);
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return it != theWordList.end() ? &(it->second) : 0;
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}
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MathAtom createInsetMath(char const * const s, Buffer * buf)
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{
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return createInsetMath(from_utf8(s), buf);
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}
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MathAtom createInsetMath(docstring const & s, Buffer * buf)
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{
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//lyxerr << "creating inset with name: '" << to_utf8(s) << '\'' << endl;
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if ((s == "ce" || s == "cf") && buf
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&& buf->params().use_mhchem == BufferParams::package_off)
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return MathAtom(new MathMacro(buf, s));
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latexkeys const * l = in_word_set(s);
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if (l) {
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docstring const & inset = l->inset;
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//lyxerr << " found inset: '" << inset << '\'' << endl;
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if (inset == "ref")
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return MathAtom(new InsetMathRef(buf, l->name));
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if (inset == "overset")
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return MathAtom(new InsetMathOverset(buf));
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if (inset == "underset")
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return MathAtom(new InsetMathUnderset(buf));
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if (inset == "decoration")
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return MathAtom(new InsetMathDecoration(buf, l));
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if (inset == "space")
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return MathAtom(new InsetMathSpace(to_ascii(l->name), ""));
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if (inset == "dots")
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return MathAtom(new InsetMathDots(l));
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if (inset == "mbox")
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// return MathAtom(new InsetMathMBox);
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// InsetMathMBox is proposed to replace InsetMathBox,
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// but is not ready yet (it needs a BufferView for
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// construction)
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return MathAtom(new InsetMathBox(buf, l->name));
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// if (inset == "fbox")
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// return MathAtom(new InsetMathFBox(l));
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if (inset == "style")
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return MathAtom(new InsetMathSize(buf, l));
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if (inset == "font")
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return MathAtom(new InsetMathFont(buf, l));
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if (inset == "oldfont")
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return MathAtom(new InsetMathFontOld(buf, l));
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if (inset == "matrix")
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return MathAtom(new InsetMathAMSArray(buf, s));
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if (inset == "split")
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return MathAtom(new InsetMathSplit(buf, s));
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if (inset == "big")
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// we can't create a InsetMathBig, since the argument
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// is missing.
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return MathAtom(new InsetMathUnknown(s));
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return MathAtom(new InsetMathSymbol(l));
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}
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if (s.size() == 2 && s[0] == '#' && s[1] >= '1' && s[1] <= '9')
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return MathAtom(new MathMacroArgument(s[1] - '0'));
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if (s.size() == 3 && s[0] == '\\' && s[1] == '#'
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&& s[2] >= '1' && s[2] <= '9')
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return MathAtom(new MathMacroArgument(s[2] - '0'));
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if (s == "boxed")
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return MathAtom(new InsetMathBoxed(buf));
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if (s == "fbox")
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return MathAtom(new InsetMathFBox(buf));
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if (s == "framebox")
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return MathAtom(new InsetMathMakebox(buf, true));
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if (s == "makebox")
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return MathAtom(new InsetMathMakebox(buf, false));
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if (s == "kern")
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return MathAtom(new InsetMathKern);
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if (s.substr(0, 8) == "xymatrix") {
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char spacing_code = '\0';
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Length spacing;
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bool equal_spacing = false;
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size_t const len = s.length();
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size_t i = 8;
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if (i < len && s[i] == '@') {
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++i;
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if (i < len && s[i] == '!') {
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equal_spacing = true;
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++i;
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if (i < len) {
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switch (s[i]) {
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case '0':
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case 'R':
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case 'C':
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spacing_code = static_cast<char>(s[i]);
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}
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}
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} else if (i < len) {
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switch (s[i]) {
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case 'R':
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case 'C':
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case 'M':
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case 'W':
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case 'H':
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case 'L':
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spacing_code = static_cast<char>(s[i]);
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++i;
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break;
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}
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if (i < len && s[i] == '=') {
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++i;
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spacing = Length(to_ascii(s.substr(i)));
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}
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}
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}
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return MathAtom(new InsetMathXYMatrix(buf, spacing, spacing_code,
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equal_spacing));
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}
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if (s == "xrightarrow" || s == "xleftarrow")
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return MathAtom(new InsetMathXArrow(buf, s));
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if (s == "split" || s == "alignedat")
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return MathAtom(new InsetMathSplit(buf, s));
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if (s == "cases")
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return MathAtom(new InsetMathCases(buf));
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if (s == "substack")
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return MathAtom(new InsetMathSubstack(buf));
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if (s == "subarray" || s == "array")
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return MathAtom(new InsetMathArray(buf, s, 1, 1));
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if (s == "sqrt")
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return MathAtom(new InsetMathSqrt(buf));
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if (s == "root")
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return MathAtom(new InsetMathRoot(buf));
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if (s == "tabular")
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return MathAtom(new InsetMathTabular(buf, s, 1, 1));
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if (s == "stackrel")
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return MathAtom(new InsetMathStackrel(buf));
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if (s == "binom")
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return MathAtom(new InsetMathBinom(buf, InsetMathBinom::BINOM));
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if (s == "dbinom")
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return MathAtom(new InsetMathBinom(buf, InsetMathBinom::DBINOM));
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if (s == "tbinom")
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return MathAtom(new InsetMathBinom(buf, InsetMathBinom::TBINOM));
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if (s == "choose")
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return MathAtom(new InsetMathBinom(buf, InsetMathBinom::CHOOSE));
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if (s == "brace")
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return MathAtom(new InsetMathBinom(buf, InsetMathBinom::BRACE));
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if (s == "brack")
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return MathAtom(new InsetMathBinom(buf, InsetMathBinom::BRACK));
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if (s == "frac")
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return MathAtom(new InsetMathFrac(buf));
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if (s == "cfrac")
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return MathAtom(new InsetMathFrac(buf, InsetMathFrac::CFRAC));
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if (s == "dfrac")
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return MathAtom(new InsetMathFrac(buf, InsetMathFrac::DFRAC));
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if (s == "tfrac")
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return MathAtom(new InsetMathFrac(buf, InsetMathFrac::TFRAC));
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if (s == "over")
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return MathAtom(new InsetMathFrac(buf, InsetMathFrac::OVER));
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if (s == "nicefrac")
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return MathAtom(new InsetMathFrac(buf, InsetMathFrac::NICEFRAC));
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if (s == "unitfrac")
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return MathAtom(new InsetMathFrac(buf, InsetMathFrac::UNITFRAC));
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// These string values are only for math toolbar use, no LaTeX names
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if (s == "unitfracthree")
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return MathAtom(new InsetMathFrac(buf, InsetMathFrac::UNITFRAC, 3));
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if (s == "unitone")
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return MathAtom(new InsetMathFrac(buf, InsetMathFrac::UNIT, 1));
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if (s == "unittwo")
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return MathAtom(new InsetMathFrac(buf, InsetMathFrac::UNIT));
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if (s == "cfracleft")
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return MathAtom(new InsetMathFrac(buf, InsetMathFrac::CFRACLEFT));
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if (s == "cfracright")
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return MathAtom(new InsetMathFrac(buf, InsetMathFrac::CFRACRIGHT));
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//if (s == "infer")
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// return MathAtom(new MathInferInset);
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if (s == "atop")
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return MathAtom(new InsetMathFrac(buf, InsetMathFrac::ATOP));
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if (s == "lefteqn")
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return MathAtom(new InsetMathLefteqn(buf));
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if (s == "boldsymbol")
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|
return MathAtom(new InsetMathBoldSymbol(buf, InsetMathBoldSymbol::AMS_BOLD));
|
|
if (s == "bm")
|
|
return MathAtom(new InsetMathBoldSymbol(buf, InsetMathBoldSymbol::BM_BOLD));
|
|
if (s == "heavysymbol" || s == "hm")
|
|
return MathAtom(new InsetMathBoldSymbol(buf, InsetMathBoldSymbol::BM_HEAVY));
|
|
if (s == "color" || s == "normalcolor")
|
|
return MathAtom(new InsetMathColor(buf, true));
|
|
if (s == "textcolor")
|
|
return MathAtom(new InsetMathColor(buf, false));
|
|
if (s == "hphantom")
|
|
return MathAtom(new InsetMathPhantom(buf, InsetMathPhantom::hphantom));
|
|
if (s == "phantom")
|
|
return MathAtom(new InsetMathPhantom(buf, InsetMathPhantom::phantom));
|
|
if (s == "vphantom")
|
|
return MathAtom(new InsetMathPhantom(buf, InsetMathPhantom::vphantom));
|
|
if (s == "ensuremath")
|
|
return MathAtom(new InsetMathEnsureMath(buf));
|
|
if (isSpecialChar(s))
|
|
return MathAtom(new InsetMathSpecialChar(s));
|
|
|
|
if (s == "regexp")
|
|
return MathAtom(new InsetMathHull(buf, hullRegexp));
|
|
|
|
return MathAtom(new MathMacro(buf, s));
|
|
}
|
|
|
|
|
|
bool createInsetMath_fromDialogStr(docstring const & str, MathData & ar)
|
|
{
|
|
// An example str:
|
|
// "ref LatexCommand ref\nreference \"sec:Title\"\n\\end_inset\n\n";
|
|
docstring name;
|
|
docstring body = split(str, name, ' ');
|
|
|
|
if (name == "ref") {
|
|
InsetCommandParams icp(REF_CODE);
|
|
// FIXME UNICODE
|
|
InsetCommand::string2params("ref", to_utf8(str), icp);
|
|
Encoding const * const utf8 = encodings.fromLyXName("utf8");
|
|
OutputParams op(utf8);
|
|
mathed_parse_cell(ar, icp.getCommand(op));
|
|
} else if (name == "mathspace") {
|
|
InsetSpaceParams isp(true);
|
|
InsetSpace::string2params(to_utf8(str), isp);
|
|
InsetSpace is(isp);
|
|
odocstringstream os;
|
|
Encoding const * const ascii = encodings.fromLyXName("ascii");
|
|
OutputParams op(ascii);
|
|
is.latex(os, op);
|
|
mathed_parse_cell(ar, os.str());
|
|
if (ar.size() == 2) {
|
|
// remove "{}"
|
|
if (ar[1].nucleus()->asBraceInset())
|
|
ar.pop_back();
|
|
}
|
|
} else
|
|
return false;
|
|
|
|
if (ar.size() != 1)
|
|
return false;
|
|
|
|
return ar[0].nucleus();
|
|
}
|
|
|
|
|
|
bool isAsciiOrMathAlpha(char_type c)
|
|
{
|
|
return c < 0x80 || Encodings::isMathAlpha(c);
|
|
}
|
|
|
|
|
|
} // namespace lyx
|