1 #include "links.h"
2
3 struct translation {
4 int code;
5 unsigned char *name;
6 };
7
8 struct translation_desc {
9 struct translation *t;
10 };
11
12 unsigned char dummyarray[T__N_TEXTS];
13
14 #include "language.inc"
15
16 unsigned char **translation_array[N_LANGUAGES][N_CODEPAGES];
17
18 int current_language;
19 int current_lang_charset;
20
init_trans()21 void init_trans()
22 {
23 int i, j;
24 for (i = 0; i < N_LANGUAGES; i++)
25 for (j = 0; j < N_CODEPAGES; j++)
26 translation_array[i][j] = NULL;
27 current_language = 0;
28 current_lang_charset = 0;
29 }
30
shutdown_trans()31 void shutdown_trans()
32 {
33 int i, j, k;
34 for (i = 0; i < N_LANGUAGES; i++)
35 for (j = 0; j < N_CODEPAGES; j++) if (translation_array[i][j]) {
36 for (k = 0; k < T__N_TEXTS; k++) if (translation_array[i][j][k])
37 mem_free(translation_array[i][j][k]);
38 mem_free(translation_array[i][j]);
39 }
40 }
41
is_direct_text(unsigned char * text)42 static inline int is_direct_text(unsigned char *text)
43 {
44 /* Do not compare to dummyarray directly - thwart some misoptimizations */
45 unsigned char * volatile dm = dummyarray;
46 return !(text >= dm && text < dm + T__N_TEXTS);
47 }
48
get_text_translation(unsigned char * text,struct terminal * term)49 unsigned char *get_text_translation(unsigned char *text, struct terminal *term)
50 {
51 unsigned char **current_tra;
52 struct conv_table *conv_table;
53 unsigned char *trn;
54 int ch = term ? term->spec->charset : 0;
55 if (is_direct_text(text)) return text;
56 if ((current_tra = translation_array[current_language][ch])) {
57 unsigned char *tt;
58 if ((trn = current_tra[text - dummyarray])) return trn;
59 tr:
60 if (!(tt = translations[current_language].t[text - dummyarray].name)) {
61 trn = stracpy(translation_english[text - dummyarray].name);
62 } else {
63 conv_table = get_translation_table(current_lang_charset, ch);
64 trn = convert_string(conv_table, tt, strlen(tt));
65 }
66 current_tra[text - dummyarray] = trn;
67 } else {
68 if (current_lang_charset && ch != current_lang_charset) {
69 current_tra = translation_array[current_language][ch] = mem_alloc(sizeof (unsigned char *) * T__N_TEXTS);
70 memset(current_tra, 0, sizeof (unsigned char *) * T__N_TEXTS);
71 goto tr;
72 }
73 if (!(trn = translations[current_language].t[text - dummyarray].name)) {
74 trn = translations[current_language].t[text - dummyarray].name = translation_english[text - dummyarray].name; /* modifying translation structure */
75 }
76 }
77 return trn;
78 }
79
get_english_translation(unsigned char * text)80 unsigned char *get_english_translation(unsigned char *text)
81 {
82 if (is_direct_text(text)) return text;
83 return translation_english[text - dummyarray].name;
84 }
85
n_languages()86 int n_languages()
87 {
88 return N_LANGUAGES;
89 }
90
language_name(int l)91 unsigned char *language_name(int l)
92 {
93 return translations[l].t[T__LANGUAGE].name;
94 }
95
set_language(int l)96 void set_language(int l)
97 {
98 int i;
99 unsigned char *cp;
100 for (i = 0; i < T__N_TEXTS; i++) if (translations[l].t[i].code != i) {
101 internal("Bad table for language %s. Run script synclang.", translations[l].t[T__LANGUAGE].name);
102 return;
103 }
104 current_language = l;
105 cp = translations[l].t[T__CHAR_SET].name;
106 i = get_cp_index(cp);
107 if (i == -1) {
108 internal("Unknown charset for language %s.", translations[l].t[T__LANGUAGE].name);
109 i = 0;
110 }
111 current_lang_charset = i;
112 }
113