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 <vector>
  10 #include <algorithm>
  11
  12 using std::endl;
  13
  14 bool operator<(const latexkeys & a, const latexkeys & b)
  15 {
  16         return string(a.name) < string(b.name);
  17 }
  18
  19 namespace {
  20
  21 // This lists needs to remain sorted all the time!
  22
  23 struct latexkeys_a {
  24         ///
  25         char const * name;
  26         ///
  27         short token;
  28         ///
  29         unsigned int id;
  30 };
  31
  32 latexkeys_a wordlist_array[] =
  33 {
  34         {"!",  LM_TK_SPACE, 0},
  35         {"#",  LM_TK_SPECIAL, '#'},
  36         {"$",  LM_TK_SPECIAL, '$'},
  37         {"%",  LM_TK_SPECIAL, '%'},
  38         {"&",  LM_TK_SPECIAL, '&'},
  39         {"(",  LM_TK_BEGIN, LM_OT_SIMPLE},
  40         {")",  LM_TK_END, LM_OT_SIMPLE},
  41         {",",  LM_TK_SPACE, 1},
  42         {".",  LM_TK_SPECIAL, '.'},
  43         {":",  LM_TK_SPACE, 2},
  44         {";",  LM_TK_SPACE, 3},
  45         {"Pr",  LM_TK_FUNCLIM, 0},
  46         {"[",  LM_TK_BEGIN, LM_OT_EQUATION},
  47         {"\\",  LM_TK_NEWLINE, static_cast<unsigned>(-1)}, // -1 needed in mathed_parse_lines!
  48         {"]",  LM_TK_END, LM_OT_EQUATION},
  49         {"_",  LM_TK_SPECIAL, '_'},
  50         {"acute",  LM_TK_DECORATION, LM_acute},
  51         {"arccos",  LM_TK_FUNC, 0},
  52         {"arcsin",  LM_TK_FUNC, 0},
  53         {"arctan",  LM_TK_FUNC, 0},
  54         {"arg",  LM_TK_FUNC, 0},
  55         {"atop",  LM_TK_ATOP, 0},
  56         {"backslash",  LM_TK_SPECIAL, '\\'},
  57         {"bar",  LM_TK_DECORATION, LM_bar},
  58         {"begin",  LM_TK_BEGIN, 0},
  59         {"binom",  LM_TK_BINOM, 0},
  60         {"bmod",  LM_TK_FUNC, 0},
  61         {"breve",  LM_TK_DECORATION, LM_breve},
  62         {"cal",  LM_TK_OLDFONT, LM_TC_CAL},
  63         {"cdots",  LM_TK_DOTS, LM_cdots},
  64         {"check",  LM_TK_DECORATION, LM_check},
  65         {"choose",  LM_TK_CHOOSE, 0},
  66         {"cos",  LM_TK_FUNC, 0},
  67         {"cosh",  LM_TK_FUNC, 0},
  68         {"cot",  LM_TK_FUNC, 0},
  69         {"coth",  LM_TK_FUNC, 0},
  70         {"csc",  LM_TK_FUNC, 0},
  71         {"ddot",  LM_TK_DECORATION, LM_ddot},
  72         {"ddots",  LM_TK_DOTS, LM_ddots},
  73         {"deg",  LM_TK_FUNC, 0},
  74         {"det",  LM_TK_FUNCLIM, 0},
  75         {"dim",  LM_TK_FUNC, 0},
  76         //{"displaystyle",  LM_TK_STY, LM_ST_DISPLAY},
  77         {"dot",  LM_TK_DECORATION, LM_dot},
  78         {"end",  LM_TK_END, 0},
  79         {"exp",  LM_TK_FUNC, 0},
  80         {"frac",  LM_TK_FRAC, 0},
  81         {"gcd",  LM_TK_FUNCLIM, 0},
  82         {"grave",  LM_TK_DECORATION, LM_grave},
  83         {"hat",  LM_TK_DECORATION, LM_hat},
  84         {"hom",  LM_TK_FUNC, 0},
  85         {"inf",  LM_TK_FUNCLIM, 0},
  86         {"ker",  LM_TK_FUNC, 0},
  87         {"kern",  LM_TK_KERN, 0},
  88         {"label",  LM_TK_LABEL, 0},
  89         {"ldots",  LM_TK_DOTS, LM_ldots},
  90         {"left",  LM_TK_LEFT, 0},
  91         {"lg",  LM_TK_FUNC, 0},
  92         {"lim",  LM_TK_FUNCLIM, 0},
  93         {"liminf",  LM_TK_FUNCLIM, 0},
  94         {"limits",  LM_TK_LIMIT, 1 },
  95         {"limsup",  LM_TK_FUNCLIM, 0},
  96         {"ln",  LM_TK_FUNC, 0},
  97         {"log",  LM_TK_FUNC, 0},
  98         {"mathbb",  LM_TK_FONT, LM_TC_BB},
  99         {"mathbf",  LM_TK_FONT, LM_TC_BF},
 100         {"mathcal",  LM_TK_FONT, LM_TC_CAL},
 101         {"mathit",  LM_TK_FONT, LM_TC_IT},
 102         {"mathnormal",  LM_TK_FONT, LM_TC_VAR},
 103         {"mathrm",  LM_TK_FONT, LM_TC_RM},
 104         {"mathsf",  LM_TK_FONT, LM_TC_SF},
 105         {"mathtt",  LM_TK_FONT, LM_TC_TT},
 106         {"max",  LM_TK_FUNCLIM, 0},
 107         {"min",  LM_TK_FUNCLIM, 0},
 108         {"newcommand",  LM_TK_NEWCOMMAND, 0 },
 109         {"nolimits",  LM_TK_LIMIT, static_cast<unsigned>(-1)},
 110         {"nonumber",  LM_TK_NONUM, 0},
 111         {"not",  LM_TK_NOT, LM_not},
 112         {"over",  LM_TK_OVER, 0},
 113         {"overbrace",  LM_TK_DECORATION, LM_overbrace},
 114         {"overleftarrow",  LM_TK_DECORATION, LM_overleftarrow},
 115         {"overline",  LM_TK_DECORATION, LM_overline},
 116         {"overrightarrow",  LM_TK_DECORATION, LM_overightarrow},
 117         {"protect",  LM_TK_PROTECT, 0},
 118         {"qquad",  LM_TK_SPACE, 5},
 119         {"quad",  LM_TK_SPACE, 4},
 120         {"right",  LM_TK_RIGHT, 0},
 121         {"root",  LM_TK_ROOT, 0},
 122         //{"scriptscriptstyle",  LM_TK_STY, LM_ST_SCRIPTSCRIPT},
 123         //{"scriptstyle",  LM_TK_STY, LM_ST_SCRIPT},
 124         {"sec",  LM_TK_FUNC, 0},
 125         {"sin",  LM_TK_FUNC, 0},
 126         {"sinh",  LM_TK_FUNC, 0},
 127         {"sqrt",  LM_TK_SQRT, 0},
 128         {"stackrel",  LM_TK_STACK, 0},
 129         {"sup",  LM_TK_FUNCLIM, 0},
 130         {"tan",  LM_TK_FUNC, 0},
 131         {"tanh",  LM_TK_FUNC, 0},
 132         {"textrm",  LM_TK_FONT, LM_TC_TEXTRM},
 133         //{"textstyle",  LM_TK_STY, LM_ST_TEXT},
 134         {"tilde",  LM_TK_DECORATION, LM_tilde},
 135         {"underbrace",  LM_TK_DECORATION, LM_underbrace},
 136         {"underline",  LM_TK_DECORATION, LM_underline},
 137         {"vdots",  LM_TK_DOTS, LM_vdots},
 138         {"vec",  LM_TK_DECORATION, LM_vec},
 139         {"widehat",  LM_TK_DECORATION, LM_widehat},
 140         {"widetilde",  LM_TK_DECORATION, LM_widetilde},
 141         {"{",  LM_TK_SPECIAL, '{'},
 142         {"|",  LM_TK_UNDEF, '|'},
 143         {"}",  LM_TK_SPECIAL, '}'},
 144         {"", LM_TK_SPECIAL, 0}
 145 };
 146
 147
 148 std::vector<latexkeys> wordlist;
 149
 150 bool initialized = false;
 151
 152 } // namespace anon
 153
 154
 155 void ReadSymbols(string const & filename)
 156 {
 157         for (latexkeys_a * p = wordlist_array; !string(p->name).empty(); ++p) {
 158                 latexkeys tmp;
 159                 tmp.name   = p->name;
 160                 tmp.token  = p->token;
 161                 tmp.id     = p->id;
 162                 tmp.type   = LMB_NONE;
 163                 tmp.latex_font_id = 0;
 164                 wordlist.push_back(tmp);
 165         }
 166
 167         LyXLex lex(0, 0);
 168         lex.setFile(filename);
 169         while (lex.isOK()) {
 170                 latexkeys tmp;
 171                 string font;
 172                 string type;
 173
 174                 if (lex.next())
 175                         tmp.name = lex.getString();
 176                 else
 177                         break;
 178
 179                 if (lex.next())
 180                         font = 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                         type = lex.getString();
 187
 188                 if (font == "cmr")
 189                         tmp.token = LM_TK_CMR;
 190                 else if (font == "cmsy")
 191                         tmp.token = LM_TK_CMSY;
 192                 else if (font == "cmm")
 193                         tmp.token = LM_TK_CMM;
 194                 else if (font == "cmex")
 195                         tmp.token = LM_TK_CMEX;
 196                 else if (font == "msa")
 197                         tmp.token = LM_TK_MSA;
 198                 else if (font == "msb")
 199                         tmp.token = LM_TK_MSB;
 200                 else
 201                         tmp.token = LM_TK_SYM;
 202
 203                 if (type == "mathrel")
 204                         tmp.type = LMB_RELATION;
 205                 else if (type == "mathbin")
 206                         tmp.type = LMB_OPERATOR;
 207                 else
 208                         tmp.type = LMB_NONE;
 209
 210                 wordlist.push_back(tmp);
 211         }
 212
 213         std::sort(wordlist.begin(), wordlist.end());
 214 }
 215
 216
 217 latexkeys const * in_word_set(string const & str)
 218 {
 219         if (!initialized) {
 220                 lyxerr[Debug::MATHED] << "Reading symbols file\n";
 221                 string const file = LibFileSearch(string(), "symbols");
 222                 if (file.empty())
 223                         lyxerr << "Could not find symbols file" << endl;
 224                 else
 225                         ReadSymbols(file);
 226                 initialized = true;
 227         }
 228
 229         std::vector<latexkeys>::iterator it =
 230                 std::find_if(wordlist.begin(), wordlist.end(),
 231                              lyx::compare_memfun(&latexkeys::Name, str));
 232         return  (it != wordlist.end()) ? &(*it) : 0;
 233 }