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