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