src/mathed/math_hash.C

   1 #include <config.h>
   2
   3 #include "math_parser.h"
   4 #include "math_metricsinfo.h"
   5 #include "lyxlex.h"
   6 #include "debug.h"
   7 #include "support/filetools.h" // LibFileSearch
   8
   9 #include <map>
  10
  11 using std::map;
  12
  13 namespace {
  14
  15 // file scope
  16 typedef map<string, latexkeys> WordList;
  17 WordList theWordList;
  18
  19
  20 struct key_type {
  21         ///
  22         char const * name;
  23         ///
  24         MathTokenEnum token;
  25         ///
  26         unsigned int id;
  27 };
  28
  29
  30 key_type wordlist_array[] =
  31 {
  32         {"!",  LM_TK_SPACE, 0},
  33         {"#",  LM_TK_SPECIAL, '#'},
  34         {"$",  LM_TK_SPECIAL, '$'},
  35         {"%",  LM_TK_SPECIAL, '%'},
  36         {"&",  LM_TK_SPECIAL, '&'},
  37         {"(",  LM_TK_BEGIN, LM_OT_SIMPLE},
  38         {")",  LM_TK_END, LM_OT_SIMPLE},
  39         {",",  LM_TK_SPACE, 1},
  40         {".",  LM_TK_SPECIAL, '.'},
  41         {":",  LM_TK_SPACE, 2},
  42         {";",  LM_TK_SPACE, 3},
  43         {"Pr",  LM_TK_FUNCLIM, 0},
  44         {"[",  LM_TK_BEGIN, LM_OT_EQUATION},
  45         {"]",  LM_TK_END, LM_OT_EQUATION},
  46         {"_",  LM_TK_SPECIAL, '_'},
  47         {"acute",  LM_TK_DECORATION, 0},
  48         {"arccos",  LM_TK_FUNC, 0},
  49         {"arcsin",  LM_TK_FUNC, 0},
  50         {"arctan",  LM_TK_FUNC, 0},
  51         {"arg",  LM_TK_FUNC, 0},
  52         {"atop",  LM_TK_ATOP, 0},
  53         {"bar",  LM_TK_DECORATION, 0},
  54         {"begin",  LM_TK_BEGIN, 0},
  55         {"bf",  LM_TK_OLDFONT, LM_TC_BF},
  56         {"binom",  LM_TK_BINOM, 0},
  57         {"bmod",  LM_TK_FUNC, 0},
  58         {"breve",  LM_TK_DECORATION, 0},
  59         {"cal",  LM_TK_OLDFONT, LM_TC_CAL},
  60         {"cdots",  LM_TK_DOTS, 0},
  61         {"check",  LM_TK_DECORATION, 0},
  62         {"choose",  LM_TK_CHOOSE, 0},
  63         {"cos",  LM_TK_FUNC, 0},
  64         {"cosh",  LM_TK_FUNC, 0},
  65         {"cot",  LM_TK_FUNC, 0},
  66         {"coth",  LM_TK_FUNC, 0},
  67         {"csc",  LM_TK_FUNC, 0},
  68         {"ddot",  LM_TK_DECORATION, 0},
  69         {"dddot",  LM_TK_DECORATION, 0},
  70         {"ddots",  LM_TK_DOTS, 0},
  71         {"deg",  LM_TK_FUNC, 0},
  72         {"det",  LM_TK_FUNCLIM, 0},
  73         {"dim",  LM_TK_FUNC, 0},
  74         {"displaystyle",  LM_TK_STY, LM_ST_DISPLAY},
  75         {"dot",  LM_TK_DECORATION, 0},
  76         {"end",  LM_TK_END, 0},
  77         {"exp",  LM_TK_FUNC, 0},
  78         {"frac",  LM_TK_FRAC, 0},
  79         {"frak",  LM_TK_FONT, LM_TC_EUFRAK},
  80         {"gcd",  LM_TK_FUNCLIM, 0},
  81         {"grave",  LM_TK_DECORATION, 0},
  82         {"hat",  LM_TK_DECORATION, 0},
  83         {"hom",  LM_TK_FUNC, 0},
  84         {"inf",  LM_TK_FUNCLIM, 0},
  85         {"it",  LM_TK_OLDFONT, LM_TC_IT},
  86         {"ker",  LM_TK_FUNC, 0},
  87         {"kern",  LM_TK_KERN, 0},
  88         {"label",  LM_TK_LABEL, 0},
  89         {"lefteqn",  LM_TK_LEFTEQN, 1},
  90         {"ldots",  LM_TK_DOTS, 0},
  91         {"left",  LM_TK_LEFT, 0},
  92         {"lg",  LM_TK_FUNC, 0},
  93         {"lim",  LM_TK_FUNCLIM, 0},
  94         {"liminf",  LM_TK_FUNCLIM, 0},
  95         {"limits",  LM_TK_LIMIT, 1 },
  96         {"limsup",  LM_TK_FUNCLIM, 0},
  97         {"ln",  LM_TK_FUNC, 0},
  98         {"log",  LM_TK_FUNC, 0},
  99         {"lyxbox",  LM_TK_BOX, 0},
 100         {"mathbb",  LM_TK_FONT, LM_TC_BB},
 101         {"mathbf",  LM_TK_FONT, LM_TC_BF},
 102         {"mathcal",  LM_TK_FONT, LM_TC_CAL},
 103         {"mathfrak",  LM_TK_FONT, LM_TC_EUFRAK},
 104         {"mathit",  LM_TK_FONT, LM_TC_IT},
 105         {"mathnormal",  LM_TK_FONT, LM_TC_VAR},
 106         {"mathrm",  LM_TK_FONT, LM_TC_RM},
 107         {"mathsf",  LM_TK_FONT, LM_TC_SF},
 108         {"mathtt",  LM_TK_FONT, LM_TC_TT},
 109         {"max",  LM_TK_FUNCLIM, 0},
 110         //{"mbox",  LM_TK_BOX, 0},
 111         {"min",  LM_TK_FUNCLIM, 0},
 112         {"newcommand",  LM_TK_NEWCOMMAND, 0 },
 113         {"nolimits",  LM_TK_LIMIT, static_cast<unsigned>(-1)},
 114         {"nonumber",  LM_TK_NONUM, 0},
 115         {"not",  LM_TK_NOT, 0},
 116         {"over",  LM_TK_OVER, 0},
 117         {"overbrace",  LM_TK_DECORATION, 0},
 118         {"overleftarrow",  LM_TK_DECORATION, 0},
 119         {"overline",  LM_TK_DECORATION, 0},
 120         {"overrightarrow",  LM_TK_DECORATION, 0},
 121         {"overleftrightarrow", LM_TK_DECORATION, 0},
 122         {"protect",  LM_TK_PROTECT, 0},
 123         {"qquad",  LM_TK_SPACE, 5},
 124         {"quad",  LM_TK_SPACE, 4},
 125         {"right",  LM_TK_RIGHT, 0},
 126         {"rm",  LM_TK_OLDFONT, LM_TC_RM},
 127         {"root",  LM_TK_ROOT, 0},
 128         {"scriptscriptstyle",  LM_TK_STY, LM_ST_SCRIPTSCRIPT},
 129         {"scriptstyle",  LM_TK_STY, LM_ST_SCRIPT},
 130         {"sec",  LM_TK_FUNC, 0},
 131         {"sin",  LM_TK_FUNC, 0},
 132         {"sinh",  LM_TK_FUNC, 0},
 133         {"sqrt",  LM_TK_SQRT, 0},
 134         {"stackrel",  LM_TK_STACK, 0},
 135         {"sup",  LM_TK_FUNCLIM, 0},
 136         {"tan",  LM_TK_FUNC, 0},
 137         {"tanh",  LM_TK_FUNC, 0},
 138         {"textrm",  LM_TK_FONT, LM_TC_TEXTRM},
 139         {"textstyle",  LM_TK_STY, LM_ST_TEXT},
 140         {"tilde",  LM_TK_DECORATION, 0},
 141         {"tt",  LM_TK_OLDFONT, LM_TC_TT},
 142         {"underbar",  LM_TK_DECORATION, 0},
 143         {"underbrace",  LM_TK_DECORATION, 0},
 144         {"underleftarrow", LM_TK_DECORATION, 0},
 145         {"underline",  LM_TK_DECORATION, 0},
 146         {"underrightarrow", LM_TK_DECORATION, 0},
 147         {"underleftrightarrow", LM_TK_DECORATION, 0},
 148         {"underset",  LM_TK_UNDERSET, 0},
 149         {"vdots",  LM_TK_DOTS, 0},
 150         {"vec",  LM_TK_DECORATION, 0},
 151         {"widehat",  LM_TK_DECORATION, 0},
 152         {"widetilde",  LM_TK_DECORATION, 0},
 153         {"{",  LM_TK_SPECIAL, '{'},
 154         {"}",  LM_TK_SPECIAL, '}'}
 155 };
 156
 157
 158
 159 MathTokenEnum tokenEnum(const string & font)
 160 {
 161         if (font == "cmr")
 162                 return LM_TK_CMR;
 163         if (font == "cmsy")
 164                 return LM_TK_CMSY;
 165         if (font == "cmm")
 166                 return LM_TK_CMM;
 167         if (font == "cmex")
 168                 return LM_TK_CMEX;
 169         if (font == "msa")
 170                 return LM_TK_MSA;
 171         if (font == "msb")
 172                 return LM_TK_MSB;
 173         return LM_TK_SYM;
 174 }
 175
 176
 177 void readSymbols(string const & filename)
 178 {
 179         LyXLex lex(0, 0);
 180         lex.setFile(filename);
 181         while (lex.isOK() && lex.next()) {
 182                 latexkeys tmp;
 183                 tmp.name = lex.getString();
 184                 if (lex.next())
 185                         tmp.token = tokenEnum(lex.getString());
 186                 if (lex.next())
 187                         tmp.latex_font_id = lex.getInteger();
 188                 if (lex.next())
 189                         tmp.id = lex.getInteger();
 190                 if (lex.next())
 191                         tmp.type = lex.getString();
 192                 if (lex.next())
 193                         tmp.xmlname = lex.getString();
 194                 if (theWordList.find(tmp.name) != theWordList.end())
 195                         lyxerr << "readSymbols: token " << tmp.name
 196                                << " already exists.\n";
 197                 else
 198                         theWordList[tmp.name] = tmp;
 199         }
 200 }
 201
 202
 203 void initSymbols()
 204 {
 205         unsigned const n = sizeof(wordlist_array) / sizeof(wordlist_array[0]);
 206         for (key_type * p = wordlist_array; p != wordlist_array + n; ++p) {
 207                 latexkeys tmp;
 208                 tmp.name          = p->name;
 209                 tmp.token         = p->token;
 210                 tmp.id            = p->id;
 211                 tmp.latex_font_id = 0;
 212                 theWordList[p->name] = tmp;
 213         }
 214
 215         lyxerr[Debug::MATHED] << "reading symbols file\n";
 216         string const file = LibFileSearch(string(), "symbols");
 217         if (file.empty())
 218                 lyxerr << "Could not find symbols file\n";
 219         else
 220                 readSymbols(file);
 221 }
 222
 223
 224 } // namespace anon
 225
 226
 227 latexkeys const * in_word_set(string const & str)
 228 {
 229         static bool initialized = false;
 230
 231         if (!initialized) {
 232                 initSymbols();
 233                 initialized = true;
 234         }
 235
 236         WordList::iterator it = theWordList.find(str);
 237         return (it != theWordList.end()) ? &(it->second) : 0;
 238 }