src/mathed/math_hash.C

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