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