1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
|
/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*/
#include "glk/alan2/alan2.h"
#include "glk/alan2/sysdep.h"
namespace Glk {
namespace Alan2 {
void syserr(char str[]);
void fprintf(Common::WriteStream *ws, const char *fmt, ...) {
va_list args;
va_start(args, fmt);
Common::String s = Common::String::vformat(fmt, args);
va_end(args);
ws->write(s.c_str(), s.size());
}
/* Note to Glk maintainers: 'native' characters are used for output, in this
case, Glk's Latin-1. ISO characters are Alan's internal representation,
stored in the .DAT file, and must be converted to native before printing.
Glk could just use the ISO routines directly, but its safer to maintain
its own tables to guard against future changes in either Alan or Glk (ie. a
move to Unicode).
*/
static char spcChrs[] = {
'\x0A', /* linefeed */
'\x20', /* space */
'\xA0', /* non-breaking space */
'\x00'
};
static char lowChrs[] = {
'\x61', /* a */ '\x62', /* b */ '\x63', /* c */ '\x64', /* d */
'\x65', /* e */ '\x66', /* f */ '\x67', /* g */ '\x68', /* h */
'\x69', /* i */ '\x6A', /* j */ '\x6B', /* k */ '\x6C', /* l */
'\x6D', /* m */ '\x6E', /* n */ '\x6F', /* o */ '\x70', /* p */
'\x71', /* q */ '\x72', /* r */ '\x73', /* s */ '\x74', /* t */
'\x75', /* u */ '\x76', /* v */ '\x77', /* w */ '\x78', /* x */
'\x79', /* y */ '\x7A', /* z */ '\xDF', /* ss <small sharp s> */
'\xE0', /* a grave */ '\xE1', /* a acute */
'\xE2', /* a circumflex */ '\xE3', /* a tilde */
'\xE4', /* a diaeresis */ '\xE5', /* a ring */
'\xE6', /* ae */ '\xE7', /* c cedilla */
'\xE8', /* e grave */ '\xE9', /* e acute */
'\xEA', /* e circumflex */ '\xEB', /* e diaeresis */
'\xEC', /* i grave */ '\xED', /* i acute */
'\xEE', /* i circumflex */ '\xEF', /* i diaeresis */
'\xF0', /* <small eth> */ '\xF1', /* n tilde */
'\xF2', /* o grave */ '\xF3', /* o acute */
'\xF4', /* o circumflex */ '\xF5', /* o tilde */
'\xF6', /* o diaeresis */ '\xF8', /* o slash */
'\xF9', /* u grave */ '\xFA', /* u acute */
'\xFB', /* u circumflex */ '\xFC', /* u diaeresis */
'\xFD', /* y acute */ '\xFE', /* <small thorn> */
'\xFF', /* y diaeresis */ '\x00'
};
/* FIXME: ss <small sharp s> and y diaeresis have no UC analogues
Are they really considered LC?
*/
static char uppChrs[] = {
'\x41', /* A */ '\x42', /* B */ '\x43', /* C */ '\x44', /* D */
'\x45', /* E */ '\x46', /* F */ '\x47', /* G */ '\x48', /* H */
'\x49', /* I */ '\x4A', /* J */ '\x4B', /* K */ '\x4C', /* L */
'\x4D', /* M */ '\x4E', /* N */ '\x4F', /* O */ '\x50', /* P */
'\x51', /* Q */ '\x52', /* R */ '\x53', /* S */ '\x54', /* T */
'\x55', /* U */ '\x56', /* V */ '\x57', /* W */ '\x58', /* X */
'\x59', /* Y */ '\x5A', /* Z */
'\xC0', /* A grave */ '\xC1', /* A acute */
'\xC2', /* A circumflex */ '\xC3', /* A tilde */
'\xC4', /* A diaeresis */ '\xC5', /* A ring */
'\xC6', /* AE */ '\xC7', /* C cedilla */
'\xC8', /* E grave */ '\xC9', /* E acute */
'\xCA', /* E circumflex */ '\xCB', /* E diaeresis */
'\xCC', /* I grave */ '\xCD', /* I acute */
'\xCE', /* I circumflex */ '\xCF', /* I diaeresis */
'\xD0', /* <capital eth> */ '\xD1', /* N tilde */
'\xD2', /* O grave */ '\xD3', /* O acute */
'\xD4', /* O circumflex */ '\xD5', /* O tilde */
'\xD6', /* O diaeresis */ '\xD8', /* O slash */
'\xD9', /* U grave */ '\xDA', /* U acute */
'\xDB', /* U circumflex */ '\xDC', /* U diaeresis */
'\xDD', /* Y acute */ '\xDE', /* <capital thorn> */
'\x00'
};
int isSpace(int c) { /* IN - Native character to test */
return (c != '\0' && strchr(spcChrs, c) != 0);
}
int isLower(int c) { /* IN - Native character to test */
return (c != '\0' && strchr(lowChrs, c) != 0);
}
int isUpper(int c) { /* IN - Native character to test */
return (c != '\0' && strchr(uppChrs, c) != 0);
}
int isLetter(int c) { /* IN - Native character to test */
return (c != '\0' && (isLower(c) ? !0 : isUpper(c)));
}
int toLower(int c) { /* IN - Native character to convert */
return g_vm->glk_char_to_lower(c);
}
int toUpper(int c) { /* IN - Native character to convert */
return g_vm->glk_char_to_upper(c);
}
char *strlow(char str[]) { /* INOUT - Native string to convert */
char *s;
for (s = str; *s; s++)
*s = toLower(*s);
return (str);
}
char *strupp(char str[]) { /* INOUT - Native string to convert */
char *s;
for (s = str; *s; s++)
*s = toUpper(*s);
return (str);
}
/* The following work on ISO characters */
int isLowerCase(int c) { /* IN - ISO character to test */
static char lowChars[] = "abcdefghijklmnopqrstuvwxyz\340\341\342\343\344\345\346\347\351\352\353\354\355\356\357\360\361\362\363\364\365\366\370\371\372\373\374\375\376\377";
return (c != '\0' && strchr(lowChars, c) != 0);
}
int isUpperCase(int c) { /* IN - ISO character to test */
static char upperChars[] = "ABCDEFGHIJKLMNOPQRSTUVWXYZ\300\301\302\303\304\305\306\307\310\311\312\313\314\315\316\317\320\321\322\323\324\325\326\327\330\331\332\333\334\335\336\337";
return (c != '\0' && strchr(upperChars, c) != 0);
}
int isISOLetter(int c) { /* IN - ISO character to test */
return (isLowerCase(c) || isUpperCase(c));
}
char toLowerCase(int c) { /* IN - ISO character to convert */
return (isUpperCase(c) ? c + ('a' - 'A') : c);
}
char toUpperCase(int c) { /* IN - ISO character to convert */
return (isLowerCase(c) ? c - ('a' - 'A') : c);
}
char *stringLower(char str[]) { /* INOUT - ISO string to convert */
char *s;
for (s = str; *s; s++)
*s = toLowerCase(*s);
return (str);
}
char *stringUpper(char str[]) { /* INOUT - ISO string to convert */
char *s;
for (s = str; *s; s++)
*s = toUpperCase(*s);
return (str);
}
/*----------------------------------------------------------------------
toIso
Converts the incoming string to ISO character set. The original is
in the current character set which in the case of the compiler might
be other than the native.
*/
void toIso(char copy[], /* OUT - Mapped string */
char original[], /* IN - string to convert */
int charset) { /* IN - the current character set */
static unsigned char macMap[256]
= {
0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0A, 0x0E, 0x0F,
0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1A, 0x1B, 0x1C, 0x1D, 0x1E, 0x1F,
0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, 0x28, 0x29, 0x2A, 0x2B, 0x2C, 0x2D, 0x2E, 0x2F,
0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 0x38, 0x39, 0x3A, 0x3B, 0x3C, 0x3D, 0x3E, 0x3F,
0x40, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47, 0x48, 0x49, 0x4A, 0x4B, 0x4C, 0x4D, 0x4E, 0x4F,
0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57, 0x58, 0x59, 0x5A, 0x5B, 0x5C, 0x5D, 0x5E, 0x5F,
0x60, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67, 0x68, 0x69, 0x6A, 0x6B, 0x6C, 0x6D, 0x6E, 0x6F,
0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77, 0x78, 0x79, 0x7A, 0x7B, 0x7C, 0x7D, 0x7E, 0x7F,
0xC4, 0xC5, 0xC7, 0xC9, 0xD1, 0xD6, 0xDC, 0xE1, 0xE0, 0xE2, 0xE4, 0xE3, 0xE5, 0xE7, 0xE9, 0xE8,
0xEA, 0xEB, 0xED, 0xEC, 0xEE, 0xEF, 0xF1, 0xF3, 0xF2, 0xF4, 0xF6, 0xF5, 0xFA, 0xF9, 0xFB, 0xFC,
0xB9, 0xB0, 0xA2, 0xA3, 0xA7, 0xB7, 0xB6, 0xDF, 0xAE, 0xA9, 0xB2, 0xB4, 0xA8, 0xD7, 0xC6, 0xD8,
0xA4, 0xB1, 0xCD, 0xCC, 0xA5, 0xB5, 0xF0, 0xCA, 0xDE, 0xFE, 0xA6, 0xAA, 0xBA, 0xD4, 0xE6, 0xF8,
0xBF, 0xA1, 0xAC, 0xCE, 0xCF, 0xC8, 0xD0, 0xAB, 0xBB, 0xCB, 0xA0, 0xC0, 0xC3, 0xD5, 0xDD, 0xFD,
0xAD, 0xAF, 0xDA, 0xD9, 0xB8, 0xB3, 0xF7, 0xC2, 0xFF, 0xBC, 0xBD, 0xBE, 0xC1, 0xD2, 0xD3, 0xDB,
0x80, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87, 0x88, 0x89, 0x8A, 0x8B, 0x8C, 0x8D, 0x8E, 0x8F,
0x90, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97, 0x98, 0x99, 0x9A, 0x9B, 0x9C, 0x9D, 0x9E, 0x9F
};
static unsigned char dosMap[256]
= {
0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0A, 0x0E, 0x0F,
0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1A, 0x1B, 0x1C, 0x1D, 0x1E, 0x1F,
0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, 0x28, 0x29, 0x2A, 0x2B, 0x2C, 0x2D, 0x2E, 0x2F,
0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 0x38, 0x39, 0x3A, 0x3B, 0x3C, 0x3D, 0x3E, 0x3F,
0x40, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47, 0x48, 0x49, 0x4A, 0x4B, 0x4C, 0x4D, 0x4E, 0x4F,
0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57, 0x58, 0x59, 0x5A, 0x5B, 0x5C, 0x5D, 0x5E, 0x5F,
0x60, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67, 0x68, 0x69, 0x6A, 0x6B, 0x6C, 0x6D, 0x6E, 0x6F,
0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77, 0x78, 0x79, 0x7A, 0x7B, 0x7C, 0x7D, 0x7E, 0x7F,
0xC7, 0xFC, 0xE9, 0xE2, 0xE4, 0xE0, 0xE5, 0xE7, 0xEA, 0xEB, 0xE8, 0xEF, 0xEE, 0xEC, 0xC4, 0xC5,
0xC9, 0xE6, 0xC6, 0xF4, 0xF6, 0xF2, 0xFB, 0xF9, 0xFF, 0xD6, 0xDC, 0xA2, 0xA3, 0xA5, 0xDE, 0xA6,
0xE1, 0xED, 0xF3, 0xFA, 0xF1, 0xD1, 0xAA, 0xBA, 0xBF, 0xC0, 0xC1, 0xBD, 0xBC, 0xCF, 0xAB, 0xBB,
0x80, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87, 0x88, 0x89, 0x8A, 0x8B, 0x8C, 0x8D, 0x8E, 0x8F,
0x90, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97, 0x98, 0x99, 0x9A, 0x9B, 0x9C, 0x9D, 0x9E, 0x9F,
0xA1, 0xA7, 0xAD, 0xB3, 0xB8, 0xB9, 0xC3, 0xCE, 0xD2, 0xD3, 0xDB, 0xDD, 0xE3, 0xF5, 0xF8, 0xFD,
0xA9, 0xDF, 0xC8, 0xB6, 0xCA, 0xA4, 0xB5, 0xAE, 0xD5, 0xD0, 0xD4, 0xF0, 0xD7, 0xD8, 0xCB, 0xC2,
0xBE, 0xB1, 0xD9, 0xDA, 0xCD, 0xCC, 0xF7, 0xA8, 0xB0, 0xB7, 0xAF, 0xAC, 0xFE, 0xB2, 0xB4, 0xA0
};
unsigned char *o, *c;
switch (charset) {
case 0: /* ISO */
if (copy != original)
(void)strcpy(copy, original);
break;
case 1: /* Mac */
for (o = (unsigned char *)original, c = (unsigned char *)copy; *o; o++, c++)
*c = macMap[*o];
*c = '\0';
break;
case 2: /* Dos */
for (o = (unsigned char *)original, c = (unsigned char *)copy; *o; o++, c++)
*c = dosMap[*o];
*c = '\0';
break;
}
}
/*----------------------------------------------------------------------
fromIso
Converts a string from global Iso format to native. Only used in
interpreter so character set is known at compile time.
*/
void fromIso(char copy[], /* OUT - Mapped string */
char original[]) { /* IN - string to convert */
if (copy != original)
(void)strcpy(copy, original);
}
/*----------------------------------------------------------------------
toNative
Converts the incoming string to the native character set from any of
the others. The original is in the current character set which in
the case of the compiler might be other than the native.
*/
void toNative(char copy[], /* OUT - Mapped string */
char original[], /* IN - string to convert */
int charset) { /* IN - the current character set */
toIso(copy, original, charset);
if (NATIVECHARSET != 0)
fromIso(copy, copy);
}
} // End of namespace Alan2
} // End of namespace Glk
|
