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_NEWLINE, static_cast<unsigned>(-1)}, // -1 needed in mathed_parse_lines!
  41         {"]",  LM_TK_END, LM_OT_EQUATION},
  42         {"_",  LM_TK_SPECIAL, '_'},
  43         {"acute",  LM_TK_DECORATION, 0},
  44         {"arccos",  LM_TK_FUNC, 0},
  45         {"arcsin",  LM_TK_FUNC, 0},
  46         {"arctan",  LM_TK_FUNC, 0},
  47         {"arg",  LM_TK_FUNC, 0},
  48         {"atop",  LM_TK_ATOP, 0},
  49         {"bar",  LM_TK_DECORATION, 0},
  50         {"begin",  LM_TK_BEGIN, 0},
  51         {"bf",  LM_TK_OLDFONT, LM_TC_BF},
  52         {"binom",  LM_TK_BINOM, 0},
  53         {"bmod",  LM_TK_FUNC, 0},
  54         {"breve",  LM_TK_DECORATION, 0},
  55         {"cal",  LM_TK_OLDFONT, LM_TC_CAL},
  56         {"cdots",  LM_TK_DOTS, 0},
  57         {"check",  LM_TK_DECORATION, 0},
  58         {"choose",  LM_TK_CHOOSE, 0},
  59         {"cos",  LM_TK_FUNC, 0},
  60         {"cosh",  LM_TK_FUNC, 0},
  61         {"cot",  LM_TK_FUNC, 0},
  62         {"coth",  LM_TK_FUNC, 0},
  63         {"csc",  LM_TK_FUNC, 0},
  64         {"ddot",  LM_TK_DECORATION, 0},
  65         {"ddots",  LM_TK_DOTS, 0},
  66         {"deg",  LM_TK_FUNC, 0},
  67         {"det",  LM_TK_FUNCLIM, 0},
  68         {"dim",  LM_TK_FUNC, 0},
  69         //{"displaystyle",  LM_TK_STY, LM_ST_DISPLAY},
  70         {"dot",  LM_TK_DECORATION, 0},
  71         {"end",  LM_TK_END, 0},
  72         {"exp",  LM_TK_FUNC, 0},
  73         {"frac",  LM_TK_FRAC, 0},
  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         {"mathit",  LM_TK_FONT, LM_TC_IT},
  97         {"mathnormal",  LM_TK_FONT, LM_TC_VAR},
  98         {"mathrm",  LM_TK_FONT, LM_TC_RM},
  99         {"mathsf",  LM_TK_FONT, LM_TC_SF},
 100         {"mathtt",  LM_TK_FONT, LM_TC_TT},
 101         {"max",  LM_TK_FUNCLIM, 0},
 102         //{"mbox",  LM_TK_BOX, 0},
 103         {"min",  LM_TK_FUNCLIM, 0},
 104         {"newcommand",  LM_TK_NEWCOMMAND, 0 },
 105         {"nolimits",  LM_TK_LIMIT, static_cast<unsigned>(-1)},
 106         {"nonumber",  LM_TK_NONUM, 0},
 107         {"not",  LM_TK_NOT, 0},
 108         {"over",  LM_TK_OVER, 0},
 109         {"overbrace",  LM_TK_DECORATION, 0},
 110         {"overleftarrow",  LM_TK_DECORATION, 0},
 111         {"overline",  LM_TK_DECORATION, 0},
 112         {"overrightarrow",  LM_TK_DECORATION, 0},
 113         {"protect",  LM_TK_PROTECT, 0},
 114         {"qquad",  LM_TK_SPACE, 5},
 115         {"quad",  LM_TK_SPACE, 4},
 116         {"right",  LM_TK_RIGHT, 0},
 117         {"rm",  LM_TK_OLDFONT, LM_TC_RM},
 118         {"root",  LM_TK_ROOT, 0},
 119         //{"scriptscriptstyle",  LM_TK_STY, LM_ST_SCRIPTSCRIPT},
 120         //{"scriptstyle",  LM_TK_STY, LM_ST_SCRIPT},
 121         {"sec",  LM_TK_FUNC, 0},
 122         {"sin",  LM_TK_FUNC, 0},
 123         {"sinh",  LM_TK_FUNC, 0},
 124         {"sqrt",  LM_TK_SQRT, 0},
 125         {"stackrel",  LM_TK_STACK, 0},
 126         {"sup",  LM_TK_FUNCLIM, 0},
 127         {"tan",  LM_TK_FUNC, 0},
 128         {"tanh",  LM_TK_FUNC, 0},
 129         {"textrm",  LM_TK_FONT, LM_TC_TEXTRM},
 130         //{"textstyle",  LM_TK_STY, LM_ST_TEXT},
 131         {"tilde",  LM_TK_DECORATION, 0},
 132         {"tt",  LM_TK_OLDFONT, LM_TC_TT},
 133         {"underbrace",  LM_TK_DECORATION, 0},
 134         {"underline",  LM_TK_DECORATION, 0},
 135         {"vdots",  LM_TK_DOTS, 0},
 136         {"vec",  LM_TK_DECORATION, 0},
 137         {"widehat",  LM_TK_DECORATION, 0},
 138         {"widetilde",  LM_TK_DECORATION, 0},
 139         {"{",  LM_TK_SPECIAL, '{'},
 140         {"}",  LM_TK_SPECIAL, '}'}
 141 };
 142
 143
 144
 145 MathTokenEnum tokenEnum(const string & font)
 146 {
 147         if (font == "cmr")
 148                 return LM_TK_CMR;
 149         if (font == "cmsy")
 150                 return LM_TK_CMSY;
 151         if (font == "cmm")
 152                 return LM_TK_CMM;
 153         if (font == "cmex")
 154                 return LM_TK_CMEX;
 155         if (font == "msa")
 156                 return LM_TK_MSA;
 157         if (font == "msb")
 158                 return LM_TK_MSB;
 159         return LM_TK_SYM;
 160 }
 161
 162
 163 void readSymbols(string const & filename)
 164 {
 165         LyXLex lex(0, 0);
 166         lex.setFile(filename);
 167         while (lex.isOK() && lex.next()) {
 168                 latexkeys tmp;
 169                 tmp.name = lex.getString();
 170                 if (lex.next())
 171                         tmp.token = tokenEnum(lex.getString());
 172                 if (lex.next())
 173                         tmp.latex_font_id = lex.getInteger();
 174                 if (lex.next())
 175                         tmp.id = lex.getInteger();
 176                 if (lex.next())
 177                         tmp.type = lex.getString();
 178                 if (lex.next())
 179                         tmp.xmlname = lex.getString();
 180                 if (theWordList.find(tmp.name) != theWordList.end())
 181                         lyxerr << "readSymbols: token " << tmp.name
 182                                << " already exists.\n";
 183                 else
 184                         theWordList[tmp.name] = tmp;
 185         }
 186 }
 187
 188 void initSymbols()
 189 {
 190         unsigned const n = sizeof(wordlist_array) / sizeof(wordlist_array[0]);
 191         for (key_type * p = wordlist_array; p != wordlist_array + n; ++p) {
 192                 latexkeys tmp;
 193                 tmp.name          = p->name;
 194                 tmp.token         = p->token;
 195                 tmp.id            = p->id;
 196                 tmp.latex_font_id = 0;
 197                 theWordList[p->name] = tmp;
 198         }
 199
 200         lyxerr[Debug::MATHED] << "reading symbols file\n";
 201         string const file = LibFileSearch(string(), "symbols");
 202         if (file.empty())
 203                 lyxerr << "Could not find symbols file\n";
 204         else
 205                 readSymbols(file);
 206 }
 207
 208
 209 } // namespace anon
 210
 211
 212 latexkeys const * in_word_set(string const & str)
 213 {
 214         static bool initialized = false;
 215
 216         if (!initialized) {
 217                 initSymbols();
 218                 initialized = true;
 219         }
 220
 221         std::map<string, latexkeys>::iterator it = theWordList.find(str);
 222         return (it != theWordList.end()) ? &(it->second) : 0;
 223 }