src/mathed/math_hash.C

   1 #include <config.h>
   2 #include <map>
   3
   4 #include "math_defs.h"
   5 #include "math_parser.h"
   6 #include "support/lstrings.h"
   7 #include <iostream>
   8
   9 namespace {
  10
  11 latexkeys const wordlist[] =
  12 {
  13         //{"displaystyle",  LM_TK_STY, LM_ST_DISPLAY, LMB_NONE},
  14         //{"oint",  LM_TK_BIGSYM, LM_oint, LMB_NONE},
  15         //{"pmod",  LM_TK_SYM, 0, LMB_NONE},
  16         //{"scriptscriptstyle",  LM_TK_STY, LM_ST_SCRIPTSCRIPT, LMB_NONE},
  17         //{"scriptstyle",  LM_TK_STY, LM_ST_SCRIPT, LMB_NONE},
  18         //{"textstyle",  LM_TK_STY, LM_ST_TEXT, LMB_NONE},
  19         {"#",  LM_TK_SPECIAL, '#', LMB_NONE},
  20         {"$",  LM_TK_SPECIAL, '$', LMB_NONE},
  21         {"%",  LM_TK_SPECIAL, '%', LMB_NONE},
  22         {"&",  LM_TK_SPECIAL, '&', LMB_NONE},
  23         {"(",  LM_TK_BEGIN, LM_OT_SIMPLE, LMB_NONE},
  24         {")",  LM_TK_END, LM_OT_SIMPLE, LMB_NONE},
  25         {"Delta",  LM_TK_SYM, LM_Delta, LMB_NONE},
  26         {"Downarrow",  LM_TK_SYM, LM_Downarrow, LMB_NONE},
  27         {"Gamma",  LM_TK_SYM, LM_Gamma, LMB_NONE},
  28         {"Im",  LM_TK_SYM, LM_Im, LMB_NONE},
  29         {"Lambda",  LM_TK_SYM, LM_Lambda, LMB_NONE},
  30         {"Leftarrow",  LM_TK_SYM, LM_Leftarrow, LMB_NONE},
  31         {"Leftrightarrow",  LM_TK_SYM, LM_Leftrightarrow, LMB_NONE},
  32         {"Longleftarrow",  LM_TK_SYM, LM_Longleftarrow, LMB_NONE},
  33         {"Longleftrightarrow",  LM_TK_SYM, LM_Longleftrightarrow, LMB_NONE},
  34         {"Longrightarrow",  LM_TK_SYM, LM_Longrightarrow, LMB_NONE},
  35         {"Omega",  LM_TK_SYM, LM_Omega, LMB_NONE},
  36         {"Phi",  LM_TK_SYM, LM_Phi, LMB_NONE},
  37         {"Pi",  LM_TK_SYM, LM_Pi, LMB_NONE},
  38         {"Pr",  LM_TK_FUNCLIM, 0, LMB_NONE},
  39         {"Psi",  LM_TK_SYM, LM_Psi, LMB_NONE},
  40         {"Re",  LM_TK_SYM, LM_Re, LMB_NONE},
  41         {"Rightarrow",  LM_TK_SYM, LM_Rightarrow, LMB_NONE},
  42         {"Sigma",  LM_TK_SYM, LM_Sigma, LMB_NONE},
  43         {"Theta",  LM_TK_SYM, LM_Theta, LMB_NONE},
  44         {"Uparrow",  LM_TK_SYM, LM_Uparrow, LMB_NONE},
  45         {"Updownarrow",  LM_TK_SYM, LM_Updownarrow, LMB_NONE},
  46         {"Upsilon",  LM_TK_SYM, LM_Upsilon, LMB_NONE},
  47         {"Vert",  LM_TK_SYM, LM_Vert, LMB_NONE},
  48         {"Xi",  LM_TK_SYM, LM_Xi, LMB_NONE},
  49         {"[",  LM_TK_BEGIN, LM_OT_EQUATION, LMB_NONE},
  50 // -1 needed in mathed_parse_lines!
  51         {"\\",  LM_TK_NEWLINE, static_cast<unsigned>(-1), LMB_NONE},
  52         {"]",  LM_TK_END, LM_OT_EQUATION, LMB_NONE},
  53         {"_",  LM_TK_SPECIAL, '_', LMB_NONE},
  54         {"acute",  LM_TK_DECORATION, LM_acute, LMB_NONE},
  55         {"aleph",  LM_TK_SYM, LM_aleph, LMB_NONE},
  56         {"alpha",  LM_TK_SYM, LM_alpha, LMB_NONE},
  57         {"amalg",  LM_TK_SYM, LM_amalg, LMB_OPERATOR},
  58         {"angle",  LM_TK_SYM, LM_angle, LMB_NONE},
  59         {"approx",  LM_TK_SYM, LM_approx, LMB_RELATION},
  60         {"arccos",  LM_TK_FUNC, 0, LMB_NONE},
  61         {"arcsin",  LM_TK_FUNC, 0, LMB_NONE},
  62         {"arctan",  LM_TK_FUNC, 0, LMB_NONE},
  63         {"arg",  LM_TK_FUNC, 0, LMB_NONE},
  64         {"asymp",  LM_TK_SYM, LM_asymp, LMB_RELATION},
  65         {"backslash",  LM_TK_SYM, LM_backslash, LMB_NONE},
  66         {"bar",  LM_TK_DECORATION, LM_bar, LMB_NONE},
  67         {"begin",  LM_TK_BEGIN, 0, LMB_NONE},
  68         {"beta",  LM_TK_SYM, LM_beta, LMB_NONE},
  69         {"bigcap",  LM_TK_BIGSYM, LM_cap, LMB_NONE},
  70         {"bigcirc",  LM_TK_SYM, LM_bigcirc, LMB_OPERATOR},
  71         {"bigcup",  LM_TK_BIGSYM, LM_cup, LMB_NONE},
  72         {"bigodot",  LM_TK_BIGSYM, LM_bigodot, LMB_NONE},
  73         {"bigoplus",  LM_TK_BIGSYM, LM_oplus, LMB_NONE},
  74         {"bigotimes",  LM_TK_BIGSYM, LM_otimes, LMB_NONE},
  75         {"bigsqcup",  LM_TK_BIGSYM, LM_bigsqcup, LMB_NONE},
  76         {"bigtriangledown",  LM_TK_SYM, LM_bigtriangledown, LMB_OPERATOR},
  77         {"bigtriangleup",  LM_TK_SYM, LM_bigtriangleup, LMB_OPERATOR},
  78         {"biguplus",  LM_TK_BIGSYM, LM_biguplus, LMB_NONE},
  79         {"bigvee",  LM_TK_BIGSYM, LM_vee, LMB_NONE},
  80         {"bigwedge",  LM_TK_BIGSYM, LM_wedge, LMB_NONE},
  81         {"bmod",  LM_TK_FUNC, 0, LMB_NONE},
  82         {"bot",  LM_TK_SYM, LM_bot, LMB_NONE},
  83         {"bowtie",  LM_TK_SYM, LM_bowtie, LMB_RELATION},
  84         {"breve",  LM_TK_DECORATION, LM_breve, LMB_NONE},
  85         {"bullet",  LM_TK_SYM, LM_bullet, LMB_OPERATOR},
  86         {"cap",  LM_TK_SYM, LM_cap, LMB_OPERATOR},
  87         {"cdot",  LM_TK_SYM, LM_cdot, LMB_OPERATOR},
  88         {"cdots",  LM_TK_DOTS, LM_cdots, LMB_NONE},
  89         {"check",  LM_TK_DECORATION, LM_check, LMB_NONE},
  90         {"chi",  LM_TK_SYM, LM_chi, LMB_NONE},
  91         {"circ",  LM_TK_SYM, LM_circ, LMB_OPERATOR},
  92         {"clubsuit",  LM_TK_SYM, LM_clubsuit, LMB_NONE},
  93         {"cong",  LM_TK_SYM, LM_cong, LMB_RELATION},
  94         {"coprod",  LM_TK_BIGSYM, LM_coprod, LMB_NONE},
  95         {"cos",  LM_TK_FUNC, 0, LMB_NONE},
  96         {"cosh",  LM_TK_FUNC, 0, LMB_NONE},
  97         {"cot",  LM_TK_FUNC, 0, LMB_NONE},
  98         {"coth",  LM_TK_FUNC, 0, LMB_NONE},
  99         {"csc",  LM_TK_FUNC, 0, LMB_NONE},
 100         {"cup",  LM_TK_SYM, LM_cup, LMB_OPERATOR},
 101         {"dagger",  LM_TK_SYM, LM_dagger, LMB_OPERATOR},
 102         {"dashv",  LM_TK_SYM, LM_dashv, LMB_RELATION},
 103         {"ddagger",  LM_TK_SYM, LM_ddagger, LMB_OPERATOR},
 104         {"ddot",  LM_TK_DECORATION, LM_ddot, LMB_NONE},
 105         {"ddots",  LM_TK_DOTS, LM_ddots, LMB_NONE},
 106         {"deg",  LM_TK_FUNC, 0, LMB_NONE},
 107         {"delta",  LM_TK_SYM, LM_delta, LMB_NONE},
 108         {"det",  LM_TK_FUNCLIM, 0, LMB_NONE},
 109         {"diamond",  LM_TK_SYM, LM_diamond, LMB_OPERATOR},
 110         {"diamondsuit",  LM_TK_SYM, LM_diamondsuit, LMB_NONE},
 111         {"dim",  LM_TK_FUNC, 0, LMB_NONE},
 112         {"div",  LM_TK_SYM, LM_div, LMB_OPERATOR},
 113         {"dot",  LM_TK_DECORATION, LM_dot, LMB_NONE},
 114         {"doteq",  LM_TK_SYM, LM_doteq, LMB_RELATION},
 115         {"downarrow",  LM_TK_SYM, LM_downarrow, LMB_NONE},
 116         {"ell",  LM_TK_SYM, LM_ell, LMB_NONE},
 117         {"emptyset",  LM_TK_MACRO, LM_emptyset, LMB_NONE},
 118         {"end",  LM_TK_END, 0, LMB_NONE},
 119         {"epsilon",  LM_TK_SYM, LM_epsilon, LMB_NONE},
 120         {"equiv",  LM_TK_SYM, LM_equiv, LMB_RELATION},
 121         {"eta",  LM_TK_SYM, LM_eta, LMB_NONE},
 122         {"exists",  LM_TK_SYM, LM_exists, LMB_NONE},
 123         {"exp",  LM_TK_FUNC, 0, LMB_NONE},
 124         {"flat",  LM_TK_SYM, LM_flat, LMB_NONE},
 125         {"forall",  LM_TK_SYM, LM_forall, LMB_NONE},
 126         {"frac",  LM_TK_FRAC, 0, LMB_NONE},
 127         {"frown",  LM_TK_SYM, LM_frown, LMB_RELATION},
 128         {"gamma",  LM_TK_SYM, LM_gamma, LMB_NONE},
 129         {"gcd",  LM_TK_FUNCLIM, 0, LMB_NONE},
 130         {"geq",  LM_TK_SYM, LM_geq, LMB_RELATION},
 131         {"gg",  LM_TK_SYM, LM_gg, LMB_RELATION},
 132         {"grave",  LM_TK_DECORATION, LM_grave, LMB_NONE},
 133         {"hat",  LM_TK_DECORATION, LM_hat, LMB_NONE},
 134         {"hbar",  LM_TK_SYM, LM_hbar, LMB_NONE},
 135         {"heartsuit",  LM_TK_SYM, LM_heartsuit, LMB_NONE},
 136         {"hom",  LM_TK_FUNC, 0, LMB_NONE},
 137         {"hookleftarrow",  LM_TK_SYM, LM_hookleftarrow, LMB_NONE},
 138         {"hookrightarrow",  LM_TK_SYM, LM_hookrightarrow, LMB_NONE},
 139         {"imath",  LM_TK_SYM, LM_imath, LMB_NONE},
 140         {"in",  LM_TK_SYM, LM_in, LMB_RELATION},
 141         {"inf",  LM_TK_FUNCLIM, 0, LMB_NONE},
 142         {"infty",  LM_TK_SYM, LM_infty, LMB_NONE},
 143         {"int",  LM_TK_BIGSYM, LM_int, LMB_NONE},
 144         {"iota",  LM_TK_SYM, LM_iota, LMB_NONE},
 145         {"jmath",  LM_TK_SYM, LM_jmath, LMB_NONE},
 146         {"kappa",  LM_TK_SYM, LM_kappa, LMB_NONE},
 147         {"ker",  LM_TK_FUNC, 0, LMB_NONE},
 148         {"label",  LM_TK_LABEL, 0, LMB_NONE},
 149         {"lambda",  LM_TK_SYM, LM_lambda, LMB_NONE},
 150         {"langle",  LM_TK_SYM, LM_langle, LMB_NONE},
 151         {"lceil",  LM_TK_SYM, LM_lceil, LMB_NONE},
 152         {"ldots",  LM_TK_DOTS, LM_ldots, LMB_NONE},
 153         {"left",  LM_TK_LEFT, 0, LMB_NONE},
 154         {"leftarrow",  LM_TK_SYM, LM_leftarrow, LMB_NONE},
 155         {"leftharpoondown",  LM_TK_SYM, LM_leftharpoondown, LMB_NONE},
 156         {"leftharpoonup",  LM_TK_SYM, LM_leftharpoonup, LMB_NONE},
 157         {"leftrightarrow",  LM_TK_SYM, LM_leftrightarrow, LMB_NONE},
 158         {"leq",  LM_TK_SYM, LM_leq, LMB_RELATION},
 159         {"lfloor",  LM_TK_SYM, LM_lfloor, LMB_NONE},
 160         {"lg",  LM_TK_FUNC, 0, LMB_NONE},
 161         {"lim",  LM_TK_FUNCLIM, 0, LMB_NONE},
 162         {"liminf",  LM_TK_FUNCLIM, 0, LMB_NONE},
 163         {"limits",  LM_TK_LIMIT, 1 , LMB_NONE},
 164         {"limsup",  LM_TK_FUNCLIM, 0, LMB_NONE},
 165         {"ll",  LM_TK_SYM, LM_ll, LMB_RELATION},
 166         {"ln",  LM_TK_FUNC, 0, LMB_NONE},
 167         {"log",  LM_TK_FUNC, 0, LMB_NONE},
 168         {"longleftarrow",  LM_TK_SYM, LM_longleftarrow, LMB_NONE},
 169         {"longleftrightarrow",  LM_TK_SYM, LM_longleftrightarrow, LMB_NONE},
 170         {"longmapsto",  LM_TK_SYM, LM_longmapsto, LMB_NONE},
 171         {"longrightarrow",  LM_TK_SYM, LM_longrightarrow, LMB_NONE},
 172         {"mapsto",  LM_TK_SYM, LM_mapsto, LMB_NONE},
 173         {"mathbf",  LM_TK_FONT, LM_TC_BF, LMB_NONE},
 174         {"mathcal",  LM_TK_FONT, LM_TC_CAL, LMB_NONE},
 175         {"mathit",  LM_TK_FONT, LM_TC_IT, LMB_NONE},
 176         {"mathnormal",  LM_TK_FONT, LM_TC_VAR, LMB_NONE},
 177         {"mathrm",  LM_TK_FONT, LM_TC_RM, LMB_NONE},
 178         {"mathsf",  LM_TK_FONT, LM_TC_SF, LMB_NONE},
 179         {"mathtt",  LM_TK_FONT, LM_TC_TT, LMB_NONE},
 180         {"max",  LM_TK_FUNCLIM, 0, LMB_NONE},
 181         {"mid",  LM_TK_SYM, LM_mid, LMB_RELATION},
 182         {"min",  LM_TK_FUNCLIM, 0, LMB_NONE},
 183         {"models",  LM_TK_SYM, LM_models, LMB_RELATION},
 184         {"mp",  LM_TK_SYM, LM_mp, LMB_OPERATOR},
 185         {"mu",  LM_TK_SYM, LM_mu, LMB_NONE},
 186         {"nabla",  LM_TK_SYM, LM_nabla, LMB_NONE},
 187         {"natural",  LM_TK_SYM, LM_natural, LMB_NONE},
 188         {"nearrow",  LM_TK_SYM, LM_nearrow, LMB_NONE},
 189         {"neg",  LM_TK_SYM, LM_neg, LMB_NONE},
 190         {"neq",  LM_TK_SYM, LM_neq, LMB_RELATION},
 191         {"newcommand",  LM_TK_NEWCOMMAND, 0 , LMB_NONE},
 192         {"ni",  LM_TK_SYM, LM_ni, LMB_RELATION},
 193         {"nolimits",  LM_TK_LIMIT, static_cast<unsigned>(-1), LMB_NONE},
 194         {"nonumber",  LM_TK_NONUM, 0, LMB_NONE},
 195         {"not",  LM_TK_DECORATION, LM_not, LMB_NONE},
 196         {"notin",  LM_TK_MACRO, LM_notin, LMB_RELATION},
 197         {"nu",  LM_TK_SYM, LM_nu, LMB_NONE},
 198         {"nwarrow",  LM_TK_SYM, LM_nwarrow, LMB_NONE},
 199         {"odot",  LM_TK_SYM, LM_odot, LMB_OPERATOR},
 200         {"omega",  LM_TK_SYM, LM_omega, LMB_NONE},
 201         {"ominus",  LM_TK_SYM, LM_ominus, LMB_OPERATOR},
 202         {"oplus",  LM_TK_SYM, LM_oplus, LMB_OPERATOR},
 203         {"oslash",  LM_TK_SYM, LM_oslash, LMB_OPERATOR},
 204         {"otimes",  LM_TK_SYM, LM_otimes, LMB_OPERATOR},
 205         {"overbrace",  LM_TK_DECORATION, LM_overbrace, LMB_NONE},
 206         {"overleftarrow",  LM_TK_DECORATION, LM_overleftarrow, LMB_NONE},
 207         {"overline",  LM_TK_DECORATION, LM_overline, LMB_NONE},
 208         {"overrightarrow",  LM_TK_DECORATION, LM_overightarrow, LMB_NONE},
 209         {"parallel",  LM_TK_SYM, LM_parallel, LMB_RELATION},
 210         {"partial",  LM_TK_SYM, LM_partial, LMB_NONE},
 211         {"perp",  LM_TK_MACRO, LM_perp, LMB_RELATION},
 212         {"phi",  LM_TK_SYM, LM_phi, LMB_NONE},
 213         {"pi",  LM_TK_SYM, LM_pi, LMB_NONE},
 214         {"pm",  LM_TK_SYM, LM_pm, LMB_OPERATOR},
 215         {"prec",  LM_TK_SYM, LM_prec, LMB_RELATION},
 216         {"preceq",  LM_TK_SYM, LM_preceq, LMB_RELATION},
 217         {"prime",  LM_TK_SYM, LM_prime, LMB_NONE},
 218         {"prod",  LM_TK_BIGSYM, LM_prod, LMB_NONE},
 219         {"propto",  LM_TK_SYM, LM_propto, LMB_RELATION},
 220         {"protect",  LM_TK_PROTECT, 0, LMB_RELATION},
 221         {"psi",  LM_TK_SYM, LM_psi, LMB_NONE},
 222         {"qquad",  LM_TK_SPACE, 5, LMB_NONE},
 223         {"quad",  LM_TK_SPACE, 4, LMB_NONE},
 224         {"rangle",  LM_TK_SYM, LM_rangle, LMB_NONE},
 225         {"rceil",  LM_TK_SYM, LM_rceil, LMB_NONE},
 226         {"rfloor",  LM_TK_SYM, LM_rfloor, LMB_NONE},
 227         {"rho",  LM_TK_SYM, LM_rho, LMB_NONE},
 228         {"right",  LM_TK_RIGHT, 0, LMB_NONE},
 229         {"rightarrow",  LM_TK_SYM, LM_rightarrow, LMB_NONE},
 230         {"rightharpoondown",  LM_TK_SYM, LM_rightharpoondown, LMB_NONE},
 231         {"rightharpoonup",  LM_TK_SYM, LM_rightharpoonup, LMB_NONE},
 232         {"rightleftharpoons",  LM_TK_SYM, LM_rightleftharpoons, LMB_NONE},
 233         {"searrow",  LM_TK_SYM, LM_searrow, LMB_NONE},
 234         {"sec",  LM_TK_FUNC, 0, LMB_NONE},
 235         {"setminus",  LM_TK_SYM, LM_setminus, LMB_OPERATOR},
 236         {"sharp",  LM_TK_SYM, LM_sharp, LMB_NONE},
 237         {"sigma",  LM_TK_SYM, LM_sigma, LMB_NONE},
 238         {"sim",  LM_TK_SYM, LM_sim, LMB_RELATION},
 239         {"simeq",  LM_TK_SYM, LM_simeq, LMB_RELATION},
 240         {"sin",  LM_TK_FUNC, 0, LMB_NONE},
 241         {"sinh",  LM_TK_FUNC, 0, LMB_NONE},
 242         {"smile",  LM_TK_SYM, LM_smile, LMB_RELATION},
 243         {"spadesuit",  LM_TK_SYM, LM_spadesuit, LMB_NONE},
 244         {"sqcap",  LM_TK_SYM, LM_sqcap, LMB_OPERATOR},
 245         {"sqcup",  LM_TK_SYM, LM_sqcup, LMB_OPERATOR},
 246         {"sqrt",  LM_TK_SQRT, 0, LMB_NONE},
 247         {"sqsubseteq",  LM_TK_SYM, LM_sqsubseteq, LMB_RELATION},
 248         {"sqsupseteq",  LM_TK_SYM, LM_sqsupseteq, LMB_RELATION},
 249         {"stackrel",  LM_TK_STACK, 0, LMB_NONE},
 250         {"star",  LM_TK_SYM, LM_star, LMB_OPERATOR},
 251         {"subset",  LM_TK_SYM, LM_subset, LMB_RELATION},
 252         {"subseteq",  LM_TK_SYM, LM_subseteq, LMB_RELATION},
 253         {"succ",  LM_TK_SYM, LM_succ, LMB_RELATION},
 254         {"succeq",  LM_TK_SYM, LM_succeq, LMB_RELATION},
 255         {"sum",  LM_TK_BIGSYM, LM_sum, LMB_NONE},
 256         {"sup",  LM_TK_FUNCLIM, 0, LMB_NONE},
 257         {"supset",  LM_TK_SYM, LM_supset, LMB_RELATION},
 258         {"supseteq",  LM_TK_SYM, LM_supseteq, LMB_RELATION},
 259         {"surd",  LM_TK_SYM, LM_surd, LMB_NONE},
 260         {"swarrow",  LM_TK_SYM, LM_swarrow, LMB_NONE},
 261         {"tan",  LM_TK_FUNC, 0, LMB_NONE},
 262         {"tanh",  LM_TK_FUNC, 0, LMB_NONE},
 263         {"tau",  LM_TK_SYM, LM_tau, LMB_NONE},
 264         {"textrm",  LM_TK_FONT, LM_TC_TEXTRM, LMB_NONE},
 265         {"theta",  LM_TK_SYM, LM_theta, LMB_NONE},
 266         {"tilde",  LM_TK_DECORATION, LM_tilde, LMB_NONE},
 267         {"times",  LM_TK_SYM, LM_times, LMB_OPERATOR},
 268         {"top",  LM_TK_SYM, LM_top, LMB_NONE},
 269         {"triangle",  LM_TK_SYM, LM_triangle, LMB_NONE},
 270         {"triangleleft",  LM_TK_SYM, LM_triangleleft, LMB_OPERATOR},
 271         {"triangleright",  LM_TK_SYM, LM_triangleright, LMB_OPERATOR},
 272         {"underbrace",  LM_TK_DECORATION, LM_underbrace, LMB_NONE},
 273         {"underline",  LM_TK_DECORATION, LM_underline, LMB_NONE},
 274         {"uparrow",  LM_TK_SYM, LM_uparrow, LMB_NONE},
 275         {"updownarrow",  LM_TK_SYM, LM_updownarrow, LMB_NONE},
 276         {"uplus",  LM_TK_SYM, LM_uplus, LMB_OPERATOR},
 277         {"upsilon",  LM_TK_SYM, LM_upsilon, LMB_NONE},
 278         {"varepsilon",  LM_TK_SYM, LM_varepsilon, LMB_NONE},
 279         {"varphi",  LM_TK_SYM, LM_varphi, LMB_NONE},
 280         {"varpi",  LM_TK_SYM, LM_varpi, LMB_NONE},
 281         {"varsigma",  LM_TK_SYM, LM_varsigma, LMB_NONE},
 282         {"vartheta",  LM_TK_SYM, LM_vartheta, LMB_NONE},
 283         {"vdash",  LM_TK_SYM, LM_vdash, LMB_RELATION},
 284         {"vdots",  LM_TK_DOTS, LM_vdots, LMB_NONE},
 285         {"vec",  LM_TK_DECORATION, LM_vec, LMB_NONE},
 286         {"vee",  LM_TK_SYM, LM_vee, LMB_OPERATOR},
 287         {"wedge",  LM_TK_SYM, LM_wedge, LMB_OPERATOR},
 288         {"widehat",  LM_TK_DECORATION, LM_widehat, LMB_NONE},
 289         {"widetilde",  LM_TK_DECORATION, LM_widetilde, LMB_NONE},
 290         {"wp",  LM_TK_SYM, LM_wp, LMB_NONE},
 291         {"wr",  LM_TK_SYM, LM_wr, LMB_OPERATOR},
 292         {"xi",  LM_TK_SYM, LM_xi, LMB_NONE},
 293         {"zeta",  LM_TK_SYM, LM_zeta, LMB_NONE},
 294         {"{",  LM_TK_SPECIAL, '{', LMB_NONE},
 295         {"|",  LM_TK_UNDEF, '|', LMB_NONE},
 296         {"}",  LM_TK_SPECIAL, '}', LMB_NONE}
 297 };
 298
 299
 300 struct symbolindex {
 301         unsigned int id;
 302         short token;
 303
 304         symbolindex(unsigned int i, short t) : id(i), token(t)
 305         {}
 306
 307         bool operator<(symbolindex const & s) const
 308         {
 309                 return (id < s.id) || (id == s.id && token < s.token);
 310         }
 311 };
 312
 313
 314 // global maps
 315 std::map<symbolindex, int>  LatexkeyById;
 316 std::map<string, int>       LatexkeyByName;
 317
 318
 319 // helper structure to initialize the maps on startup:
 320 struct init {
 321         init() {
 322                 int const n = sizeof(wordlist)/sizeof(wordlist[0]);
 323                 for (latexkeys const * it = wordlist; it != wordlist + n; ++it) {
 324                         if (LatexkeyByName.find(it->name) != LatexkeyByName.end()) {
 325                                 std::cerr << "math_hash.C: Bug: Duplicate entry: "
 326                                           << it->name << std::endl;
 327                         }
 328                         LatexkeyByName[it->name] = it - wordlist;
 329                         if (it->id != 0 &&
 330                             LatexkeyById.find(symbolindex(it->id, it->token)) !=
 331                             LatexkeyById.end()) {
 332                                 std::cerr << "math_hash.C: Bug: Duplicate entry: "
 333                                           << it->name << " Id: "
 334                                           << it->id << " token: " << it->token
 335                                           << std::endl;
 336                         }
 337                         LatexkeyById[symbolindex(it->id, it->token)] = it - wordlist;
 338                 }
 339         }
 340 };
 341
 342 // the "Initializer": Its default constructor is executed on loading and
 343 // fills the maps
 344 static init dummy;
 345
 346 } // namespace anon
 347
 348
 349 latexkeys const * in_word_set(string const & str)
 350 {
 351         std::map<string, int>::const_iterator pos = LatexkeyByName.find(str);
 352         return pos == LatexkeyByName.end() ? 0 : &wordlist[pos->second];
 353 }
 354
 355
 356 latexkeys const * lm_get_key_by_id(unsigned int id, short tc)
 357 {
 358         std::map<symbolindex, int>::const_iterator pos
 359                 = LatexkeyById.find(symbolindex(id, tc));
 360         return pos == LatexkeyById.end() ? 0 : &wordlist[pos->second];
 361 }