+/**
+ * \file math_factory.C
+ * This file is part of LyX, the document processor.
+ * Licence details can be found in the file COPYING.
+ *
+ * \author André Pönitz
+ *
+ * Full author contact details are available in file CREDITS.
+ */
+
#include <config.h>
+#include "math_factory.h"
#include "math_parser.h"
-#include "math_bigopinset.h"
+#include "math_arrayinset.h"
+#include "math_amsarrayinset.h"
#include "math_binominset.h"
+#include "math_boxinset.h"
+#include "math_casesinset.h"
#include "math_decorationinset.h"
#include "math_dotsinset.h"
-#include "math_funcinset.h"
-#include "math_funcliminset.h"
+#include "math_ertinset.h"
+#include "math_fboxinset.h"
+#include "math_frameboxinset.h"
+#include "math_fontinset.h"
+#include "math_fontoldinset.h"
#include "math_fracinset.h"
#include "math_kerninset.h"
+#include "math_lefteqninset.h"
#include "math_macro.h"
#include "math_macrotable.h"
-#include "math_noglyphinset.h"
-#include "math_notinset.h"
+#include "math_macrotemplate.h"
+#include "math_makeboxinset.h"
+#include "math_oversetinset.h"
+#include "math_parboxinset.h"
#include "math_rootinset.h"
+#include "math_sizeinset.h"
#include "math_spaceinset.h"
+#include "math_splitinset.h"
#include "math_sqrtinset.h"
-#include "math_symbolinset.h"
#include "math_stackrelinset.h"
+#include "math_substackinset.h"
+#include "math_symbolinset.h"
+#include "math_tabularinset.h"
+#include "math_undersetinset.h"
+#include "math_unknowninset.h"
+#include "math_xarrowinset.h"
+
+//#include "insets/insetref.h"
+#include "ref_inset.h"
+
+#include "debug.h"
+#include "math_support.h"
+#include "support/std_sstream.h"
+#include "support/filetools.h" // LibFileSearch
+#include "support/lstrings.h"
+#include "frontends/lyx_gui.h"
+
+#include <fstream>
+
+using namespace lyx::support;
+using std::endl;
-MathInset * createMathInset(latexkeys const * l)
+bool has_math_fonts;
+
+
+namespace {
+
+// file scope
+typedef std::map<string, latexkeys> WordList;
+WordList theWordList;
+
+
+bool math_font_available(string & name)
{
- switch (l->token) {
- case LM_TK_NOGLYPH:
- case LM_TK_NOGLYPHB:
- return new MathNoglyphInset(l);
- case LM_TK_BIGSYM:
- return new MathBigopInset(l);
- case LM_TK_FUNCLIM:
- return new MathFuncLimInset(l);
- case LM_TK_SYM:
- return new MathSymbolInset(l);
- case LM_TK_STACK:
- return new MathStackrelInset;
- case LM_TK_KERN:
- return new MathKernInset;
- case LM_TK_BINOM:
- case LM_TK_CHOOSE:
- return new MathBinomInset;
- case LM_TK_OVER:
- case LM_TK_FRAC:
- return new MathFracInset;
- case LM_TK_ATOP:
- return new MathFracInset(true);
- case LM_TK_NOT:
- return new MathNotInset;
- case LM_TK_SQRT:
- return new MathSqrtInset;
- case LM_TK_ROOT:
- return new MathRootInset;
- case LM_TK_DECORATION:
- return new MathDecorationInset(l);
- case LM_TK_SPACE:
- return new MathSpaceInset(l->id);
- case LM_TK_DOTS:
- return new MathDotsInset(l);
+ LyXFont f;
+ augmentFont(f, name);
+
+ // Do we have the font proper?
+ if (lyx_gui::font_available(f))
+ return true;
+
+ // can we fake it?
+ if (name == "eufrak") {
+ name = "lyxfakefrak";
+ return true;
}
- return new MathFuncInset(l->name);
+
+ lyxerr[Debug::MATHED]
+ << "font " << name << " not available and I can't fake it"
+ << endl;
+ return false;
}
-MathInset * createMathInset(string const & s)
+void initSymbols()
{
+ string const filename = LibFileSearch(string(), "symbols");
+ lyxerr[Debug::MATHED] << "read symbols from " << filename << endl;
+ if (filename.empty()) {
+ lyxerr << "Could not find symbols file" << endl;
+ return;
+ }
+
+ std::ifstream fs(filename.c_str());
+ string line;
+ bool skip = false;
+ while (getline(fs, line)) {
+ int charid = 0;
+ int fallbackid = 0;
+ if (!line.empty() && line[0] == '#')
+ continue;
+
+ // special case of iffont/else/endif
+ if (line.size() >= 7 && line.substr(0, 6) == "iffont") {
+ istringstream is(STRCONV(line));
+ string tmp;
+ is >> tmp;
+ is >> tmp;
+ skip = !math_font_available(tmp);
+ continue;
+ } else if (line.size() >= 4 && line.substr(0, 4) == "else") {
+ skip = !skip;
+ } else if (line.size() >= 5 && line.substr(0, 5) == "endif") {
+ skip = false;
+ continue;
+ } else if (skip)
+ continue;
+
+ // special case of pre-defined macros
+ if (line.size() > 8 && line.substr(0, 5) == "\\def\\") {
+ //lyxerr << "defining: '" << line << '\'' << endl;
+ istringstream is(STRCONV(line));
+ MathMacroTable::create(MathAtom(new MathMacroTemplate(is)));
+ continue;
+ }
+
+ istringstream is(STRCONV(line));
+ latexkeys tmp;
+ is >> tmp.name >> tmp.inset;
+ if (isFontName(tmp.inset))
+ is >> charid >> fallbackid >> tmp.extra >> tmp.xmlname;
+ else
+ is >> tmp.extra;
+ if (!is) {
+ lyxerr[Debug::MATHED] << "skipping line '" << line << '\'' << endl;
+ lyxerr[Debug::MATHED]
+ << tmp.name << ' ' << tmp.inset << ' ' << tmp.extra << endl;
+ continue;
+ }
+
+ if (isFontName(tmp.inset)) {
+ // tmp.inset _is_ the fontname here.
+ // create fallbacks if necessary
+
+ // symbol font is not available sometimes
+ string symbol_font = "lyxsymbol";
+
+ if (tmp.extra == "func" || tmp.extra == "funclim" || tmp.extra == "special") {
+ lyxerr[Debug::MATHED] << "symbol abuse for " << tmp.name << endl;
+ tmp.draw = tmp.name;
+ } else if (math_font_available(tmp.inset)) {
+ lyxerr[Debug::MATHED] << "symbol available for " << tmp.name << endl;
+ tmp.draw += char(charid);
+ } else if (fallbackid && math_font_available(symbol_font)) {
+ if (tmp.inset == "cmex")
+ tmp.inset = "lyxsymbol";
+ else
+ tmp.inset = "lyxboldsymbol";
+ lyxerr[Debug::MATHED] << "symbol fallback for " << tmp.name << endl;
+ tmp.draw += char(fallbackid);
+ } else {
+ lyxerr[Debug::MATHED] << "faking " << tmp.name << endl;
+ tmp.draw = tmp.name;
+ tmp.inset = "lyxtex";
+ }
+ } else {
+ // it's a proper inset
+ lyxerr[Debug::MATHED] << "inset " << tmp.inset
+ << " used for " << tmp.name
+ << endl;
+ }
+
+ if (theWordList.find(tmp.name) != theWordList.end())
+ lyxerr[Debug::MATHED]
+ << "readSymbols: inset " << tmp.name
+ << " already exists." << endl;
+ else
+ theWordList[tmp.name] = tmp;
+
+ lyxerr[Debug::MATHED]
+ << "read symbol '" << tmp.name
+ << " inset: " << tmp.inset
+ << " draw: " << int(tmp.draw.empty() ? 0 : tmp.draw[0])
+ << " extra: " << tmp.extra
+ << '\'' << endl;
+ }
+ string tmp = "cmm";
+ string tmp2 = "cmsy";
+ has_math_fonts = math_font_available(tmp) && math_font_available(tmp2);
+}
+
+
+} // namespace anon
+
+
+void initMath()
+{
+ static bool initialized = false;
+ if (!initialized) {
+ initSymbols();
+ initialized = true;
+ }
+}
+
+
+latexkeys const * in_word_set(string const & str)
+{
+ WordList::iterator it = theWordList.find(str);
+ //lyxerr << "looking up '" << str << "' found: "
+ // << (it != theWordList.end()) << endl;
+ return (it != theWordList.end()) ? &(it->second) : 0;
+}
+
+
+MathAtom createMathInset(string const & s)
+{
+ lyxerr[Debug::MATHED] << "creating inset with name: '"
+ << s << '\'' << endl;;
latexkeys const * l = in_word_set(s);
- if (l)
- return createMathInset(l);
+ if (l) {
+ string const & inset = l->inset;
+ lyxerr[Debug::MATHED] << " found inset: '" <<
+ inset << '\'' << endl;
+ if (inset == "ref")
+ return MathAtom(new RefInset(l->name));
+ if (inset == "overset")
+ return MathAtom(new MathOversetInset);
+ if (inset == "underset")
+ return MathAtom(new MathUndersetInset);
+ if (inset == "decoration")
+ return MathAtom(new MathDecorationInset(l));
+ if (inset == "space")
+ return MathAtom(new MathSpaceInset(l->name));
+ if (inset == "dots")
+ return MathAtom(new MathDotsInset(l));
+ if (inset == "mbox")
+ return MathAtom(new MathBoxInset(l->name));
+ if (inset == "parbox")
+ return MathAtom(new MathParboxInset);
+ if (inset == "fbox")
+ return MathAtom(new MathFboxInset(l));
+ if (inset == "style")
+ return MathAtom(new MathSizeInset(l));
+ if (inset == "font")
+ return MathAtom(new MathFontInset(l));
+ if (inset == "oldfont")
+ return MathAtom(new MathFontOldInset(l));
+ if (inset == "matrix")
+ return MathAtom(new MathAMSArrayInset(s));
+ return MathAtom(new MathSymbolInset(l));
+ }
+
+ if (s.size() == 2 && s[0] == '#' && s[1] >= '1' && s[1] <= '9')
+ return MathAtom(new MathMacroArgument(s[1] - '0'));
+ if (s.size() == 3 && s[0] == '\\' && s[1] == '#'
+ && s[2] >= '1' && s[2] <= '9')
+ return MathAtom(new MathMacroArgument(s[2] - '0'));
+ if (s == "framebox")
+ return MathAtom(new MathFrameboxInset);
+ if (s == "makebox")
+ return MathAtom(new MathMakeboxInset);
+ if (s == "kern")
+ return MathAtom(new MathKernInset);
+ if (s == "xrightarrow" || s == "xleftarrow")
+ return MathAtom(new MathXArrowInset(s));
+ if (s == "split" || s == "gathered" || s == "aligned")
+ return MathAtom(new MathSplitInset(s));
+ if (s == "cases")
+ return MathAtom(new MathCasesInset);
+ if (s == "substack")
+ return MathAtom(new MathSubstackInset);
+ if (s == "subarray" || s == "array")
+ return MathAtom(new MathArrayInset(s, 1, 1));
+ if (s == "sqrt")
+ return MathAtom(new MathSqrtInset);
+ if (s == "root")
+ return MathAtom(new MathRootInset);
+ if (s == "tabular")
+ return MathAtom(new MathTabularInset(s, 1, 1));
+ if (s == "stackrel")
+ return MathAtom(new MathStackrelInset);
+ if (s == "binom" || s == "choose")
+ return MathAtom(new MathBinomInset(s == "choose"));
+ if (s == "over" || s == "frac")
+ return MathAtom(new MathFracInset);
+ //if (s == "infer")
+ // return MathAtom(new MathInferInset);
+ if (s == "atop")
+ return MathAtom(new MathFracInset(true));
+ if (s == "lefteqn")
+ return MathAtom(new MathLefteqnInset);
+ if (s == "lyxert")
+ return MathAtom(new MathErtInset);
+
+ if (MathMacroTable::has(s))
+ return MathAtom(new MathMacro(s));
+
+ //lyxerr[Debug::MATHED] << "creating inset 2 with name: '" << s << '\'' << endl;
+ return MathAtom(new MathUnknownInset(s));
+}
+
+
+bool createMathInset_fromDialogStr(string const & str, MathArray & ar)
+{
+ // An example str:
+ // "ref LatexCommand \\ref{sec:Title}\n\\end_inset\n\n";
+ string name;
+ string body = split(str, name, ' ');
+
+ if (name != "ref" )
+ return false;
+
+ // body comes with a head "LatexCommand " and a
+ // tail "\nend_inset\n\n". Strip them off.
+ string trimmed;
+ body = split(body, trimmed, ' ');
+ split(body, trimmed, '\n');
- if (MathMacroTable::hasTemplate(s))
- return new MathMacro(MathMacroTable::provideTemplate(s));
+ mathed_parse_cell(ar, trimmed);
+ if (ar.size() != 1)
+ return false;
- return new MathFuncInset(s);
+ return ar[0].nucleus();
}