+struct MathSymbol {
+ MathSymbol(char_type uc = '?', unsigned char fc = 0,
+ FontFamily ff = SYMBOL_FAMILY)
+ : unicode(uc), fontcode(fc), fontfamily(ff)
+ {}
+ char_type unicode;
+ unsigned char fontcode;
+ FontFamily fontfamily;
+};
+
+/// TeX-name / Math-symbol map.
+static map<std::string, MathSymbol> math_symbols_;
+/// Math-symbol / TeX-name map.
+/// This one is for fast search, it contains the same data as
+/// \c math_symbols_.
+static map<char_type, string> tex_names_;
+
+void initMathSymbols()
+{
+ // FIXME: Ideally, those unicode codepoints would be defined
+ // in "lib/symbols". Unfortunately, some of those are already
+ // defined with non-unicode ids for use within mathed.
+ // FIXME 2: We should fill-in this map with the parsed "symbols"
+ // file done in MathFactory.cpp.
+ math_symbols_["("] = MathSymbol('(');
+ math_symbols_[")"] = MathSymbol(')');
+ math_symbols_["{"] = MathSymbol('{');
+ math_symbols_["}"] = MathSymbol('}');
+ math_symbols_["["] = MathSymbol('[');
+ math_symbols_["]"] = MathSymbol(']');
+ math_symbols_["|"] = MathSymbol('|');
+ math_symbols_["/"] = MathSymbol('/', 54, CMSY_FAMILY);
+ math_symbols_["backslash"] = MathSymbol('\\', 110, CMSY_FAMILY);
+ math_symbols_["lceil"] = MathSymbol(0x2308, 100, CMSY_FAMILY);
+ math_symbols_["rceil"] = MathSymbol(0x2309, 101, CMSY_FAMILY);
+ math_symbols_["lfloor"] = MathSymbol(0x230A, 98, CMSY_FAMILY);
+ math_symbols_["rfloor"] = MathSymbol(0x230B, 99, CMSY_FAMILY);
+ math_symbols_["langle"] = MathSymbol(0x2329, 104, CMSY_FAMILY);
+ math_symbols_["rangle"] = MathSymbol(0x232A, 105, CMSY_FAMILY);
+ math_symbols_["uparrow"] = MathSymbol(0x2191, 34, CMSY_FAMILY);
+ math_symbols_["Uparrow"] = MathSymbol(0x21D1, 42, CMSY_FAMILY);
+ math_symbols_["updownarrow"] = MathSymbol(0x2195, 108, CMSY_FAMILY);
+ math_symbols_["Updownarrow"] = MathSymbol(0x21D5, 109, CMSY_FAMILY);
+ math_symbols_["downarrow"] = MathSymbol(0x2193, 35, CMSY_FAMILY);
+ math_symbols_["Downarrow"] = MathSymbol(0x21D3, 43, CMSY_FAMILY);
+ math_symbols_["downdownarrows"] = MathSymbol(0x21CA, 184, MSA_FAMILY);
+ math_symbols_["downharpoonleft"] = MathSymbol(0x21C3, 188, MSA_FAMILY);
+ math_symbols_["downharpoonright"] = MathSymbol(0x21C2, 186, MSA_FAMILY);
+ math_symbols_["vert"] = MathSymbol(0x007C, 106, CMSY_FAMILY);
+ math_symbols_["Vert"] = MathSymbol(0x2016, 107, CMSY_FAMILY);
+
+ map<string, MathSymbol>::const_iterator it = math_symbols_.begin();
+ map<string, MathSymbol>::const_iterator end = math_symbols_.end();
+ for (; it != end; ++it)
+ tex_names_[it->second.unicode] = it->first;
+}
+
+/// \return the math unicode symbol associated to a TeX name.
+MathSymbol const & mathSymbol(string tex_name)
+{
+ map<string, MathSymbol>::const_iterator it =
+ math_symbols_.find(tex_name);
+
+ static MathSymbol unknown_symbol;
+ if (it == math_symbols_.end())
+ return unknown_symbol;
+
+ return it->second;
+}
+
+/// \return the TeX name associated to a math unicode symbol.
+string const & texName(char_type math_symbol)
+{
+ map<char_type, string>::const_iterator it =
+ tex_names_.find(math_symbol);
+
+ static string empty_string;
+ if (it == tex_names_.end())
+ return empty_string;
+
+ return it->second;
+}
+
+} // anon namespace