Details | Last modification | View Log | RSS feed
Rev | Author | Line No. | Line |
---|---|---|---|
7696 | akron1 | 1 | (* |
7597 | akron1 | 2 | BSD 2-Clause License |
3 | |||
7696 | akron1 | 4 | Copyright (c) 2018-2019, Anton Krotov |
7597 | akron1 | 5 | All rights reserved. |
6 | *) |
||
7 | |||
8 | MODULE STRINGS; |
||
9 | |||
10 | IMPORT UTILS; |
||
11 | |||
12 | |||
13 | PROCEDURE append* (VAR s1: ARRAY OF CHAR; s2: ARRAY OF CHAR); |
||
14 | VAR |
||
15 | n1, n2, i, j: INTEGER; |
||
16 | BEGIN |
||
17 | n1 := LENGTH(s1); |
||
18 | n2 := LENGTH(s2); |
||
19 | |||
20 | ASSERT(n1 + n2 < LEN(s1)); |
||
21 | |||
22 | i := 0; |
||
23 | j := n1; |
||
24 | WHILE i < n2 DO |
||
25 | s1[j] := s2[i]; |
||
26 | INC(i); |
||
27 | INC(j) |
||
28 | END; |
||
29 | |||
30 | s1[j] := 0X |
||
31 | |||
32 | END append; |
||
33 | |||
34 | |||
35 | PROCEDURE reverse* (VAR s: ARRAY OF CHAR); |
||
36 | VAR |
||
37 | i, j: INTEGER; |
||
38 | a, b: CHAR; |
||
39 | |||
40 | BEGIN |
||
41 | |||
42 | i := 0; |
||
43 | j := LENGTH(s) - 1; |
||
44 | |||
45 | WHILE i < j DO |
||
46 | a := s[i]; |
||
47 | b := s[j]; |
||
48 | s[i] := b; |
||
49 | s[j] := a; |
||
50 | INC(i); |
||
51 | DEC(j) |
||
52 | END |
||
53 | END reverse; |
||
54 | |||
55 | |||
56 | PROCEDURE IntToStr* (x: INTEGER; VAR str: ARRAY OF CHAR); |
||
57 | VAR |
||
58 | i, a: INTEGER; |
||
59 | minus: BOOLEAN; |
||
60 | |||
61 | BEGIN |
||
62 | IF x = UTILS.minint THEN |
||
63 | IF UTILS.bit_depth = 32 THEN |
||
64 | COPY("-2147483648", str) |
||
65 | ELSIF UTILS.bit_depth = 64 THEN |
||
66 | COPY("-9223372036854775808", str) |
||
67 | END |
||
68 | |||
69 | ELSE |
||
70 | |||
71 | minus := x < 0; |
||
72 | IF minus THEN |
||
73 | x := -x |
||
74 | END; |
||
75 | i := 0; |
||
76 | a := 0; |
||
77 | REPEAT |
||
78 | str[i] := CHR(x MOD 10 + ORD("0")); |
||
79 | x := x DIV 10; |
||
80 | INC(i) |
||
81 | UNTIL x = 0; |
||
82 | |||
83 | IF minus THEN |
||
84 | str[i] := "-"; |
||
85 | INC(i) |
||
86 | END; |
||
87 | |||
88 | str[i] := 0X; |
||
89 | reverse(str) |
||
90 | |||
91 | END |
||
92 | END IntToStr; |
||
93 | |||
94 | |||
7693 | akron1 | 95 | PROCEDURE hexdgt (n: BYTE): BYTE; |
96 | BEGIN |
||
97 | IF n < 10 THEN |
||
98 | n := n + ORD("0") |
||
99 | ELSE |
||
100 | n := n - 10 + ORD("A") |
||
101 | END |
||
102 | |||
103 | RETURN n |
||
104 | END hexdgt; |
||
105 | |||
106 | |||
107 | PROCEDURE IntToHex* (x: INTEGER; VAR str: ARRAY OF CHAR; n: INTEGER); |
||
108 | BEGIN |
||
109 | str[n] := 0X; |
||
110 | WHILE n > 0 DO |
||
111 | str[n - 1] := CHR(hexdgt(x MOD 16)); |
||
112 | x := x DIV 16; |
||
113 | DEC(n) |
||
114 | END |
||
115 | END IntToHex; |
||
116 | |||
117 | |||
7597 | akron1 | 118 | PROCEDURE copy* (src: ARRAY OF CHAR; VAR dst: ARRAY OF CHAR; spos, dpos, count: INTEGER); |
119 | BEGIN |
||
120 | WHILE count > 0 DO |
||
121 | dst[dpos] := src[spos]; |
||
122 | INC(spos); |
||
123 | INC(dpos); |
||
124 | DEC(count) |
||
125 | END |
||
126 | END copy; |
||
127 | |||
128 | |||
129 | PROCEDURE search* (s: ARRAY OF CHAR; VAR pos: INTEGER; c: CHAR; forward: BOOLEAN); |
||
130 | VAR |
||
131 | length: INTEGER; |
||
132 | |||
133 | BEGIN |
||
134 | length := LENGTH(s); |
||
135 | |||
136 | IF (0 <= pos) & (pos < length) THEN |
||
137 | IF forward THEN |
||
138 | WHILE (pos < length) & (s[pos] # c) DO |
||
139 | INC(pos) |
||
140 | END; |
||
141 | IF pos = length THEN |
||
142 | pos := -1 |
||
143 | END |
||
144 | ELSE |
||
145 | WHILE (pos >= 0) & (s[pos] # c) DO |
||
146 | DEC(pos) |
||
147 | END |
||
148 | END |
||
149 | ELSE |
||
150 | pos := -1 |
||
151 | END |
||
152 | END search; |
||
153 | |||
154 | |||
155 | PROCEDURE letter* (c: CHAR): BOOLEAN; |
||
156 | RETURN ("a" <= c) & (c <= "z") OR ("A" <= c) & (c <= "Z") OR (c = "_") |
||
157 | END letter; |
||
158 | |||
159 | |||
160 | PROCEDURE digit* (c: CHAR): BOOLEAN; |
||
161 | RETURN ("0" <= c) & (c <= "9") |
||
162 | END digit; |
||
163 | |||
164 | |||
165 | PROCEDURE hexdigit* (c: CHAR): BOOLEAN; |
||
166 | RETURN ("0" <= c) & (c <= "9") OR ("A" <= c) & (c <= "F") |
||
167 | END hexdigit; |
||
168 | |||
169 | |||
170 | PROCEDURE space* (c: CHAR): BOOLEAN; |
||
171 | RETURN (0X < c) & (c <= 20X) |
||
172 | END space; |
||
173 | |||
174 | |||
175 | PROCEDURE StrToInt* (str: ARRAY OF CHAR; VAR x: INTEGER): BOOLEAN; |
||
176 | VAR |
||
177 | i, k: INTEGER; |
||
178 | res: BOOLEAN; |
||
179 | |||
180 | BEGIN |
||
181 | res := TRUE; |
||
182 | i := 0; |
||
183 | x := 0; |
||
184 | k := LENGTH(str); |
||
185 | WHILE i < k DO |
||
186 | IF digit(str[i]) THEN |
||
187 | x := x * 10 + ORD(str[i]) - ORD("0") |
||
188 | ELSE |
||
189 | i := k; |
||
190 | res := FALSE |
||
191 | END; |
||
192 | INC(i) |
||
193 | END |
||
194 | |||
195 | RETURN res |
||
196 | END StrToInt; |
||
197 | |||
198 | |||
199 | PROCEDURE CheckVer (str: ARRAY OF CHAR): BOOLEAN; |
||
200 | VAR |
||
201 | i, k: INTEGER; |
||
202 | res: BOOLEAN; |
||
203 | |||
204 | BEGIN |
||
205 | k := LENGTH(str); |
||
206 | res := k < LEN(str); |
||
207 | |||
208 | IF res & digit(str[0]) THEN |
||
209 | i := 0; |
||
210 | WHILE (i < k) & digit(str[i]) DO |
||
211 | INC(i) |
||
212 | END; |
||
213 | IF (i < k) & (str[i] = ".") THEN |
||
214 | INC(i); |
||
215 | IF i < k THEN |
||
216 | WHILE (i < k) & digit(str[i]) DO |
||
217 | INC(i) |
||
218 | END |
||
219 | ELSE |
||
220 | res := FALSE |
||
221 | END |
||
222 | ELSE |
||
223 | res := FALSE |
||
224 | END; |
||
225 | |||
226 | res := res & (i = k) |
||
227 | ELSE |
||
228 | res := FALSE |
||
229 | END |
||
230 | |||
231 | RETURN res |
||
232 | END CheckVer; |
||
233 | |||
234 | |||
235 | PROCEDURE StrToVer* (str: ARRAY OF CHAR; VAR major, minor: INTEGER): BOOLEAN; |
||
236 | VAR |
||
237 | i: INTEGER; |
||
238 | res: BOOLEAN; |
||
239 | |||
240 | BEGIN |
||
241 | res := CheckVer(str); |
||
242 | |||
243 | IF res THEN |
||
244 | i := 0; |
||
245 | minor := 0; |
||
246 | major := 0; |
||
247 | WHILE digit(str[i]) DO |
||
248 | major := major * 10 + ORD(str[i]) - ORD("0"); |
||
249 | INC(i) |
||
250 | END; |
||
251 | INC(i); |
||
252 | WHILE digit(str[i]) DO |
||
253 | minor := minor * 10 + ORD(str[i]) - ORD("0"); |
||
254 | INC(i) |
||
255 | END |
||
256 | END |
||
257 | |||
258 | RETURN res |
||
259 | END StrToVer; |
||
260 | |||
261 | |||
262 | PROCEDURE Utf8To16* (src: ARRAY OF CHAR; VAR dst: ARRAY OF WCHAR): INTEGER; |
||
263 | VAR |
||
264 | i, j, u, srclen, dstlen: INTEGER; |
||
265 | c: CHAR; |
||
266 | |||
267 | BEGIN |
||
268 | srclen := LEN(src); |
||
269 | dstlen := LEN(dst); |
||
270 | i := 0; |
||
271 | j := 0; |
||
272 | WHILE (i < srclen) & (j < dstlen) & (src[i] # 0X) DO |
||
273 | c := src[i]; |
||
274 | CASE c OF |
||
275 | |00X..7FX: |
||
276 | u := ORD(c) |
||
277 | |||
278 | |0C1X..0DFX: |
||
279 | u := LSL(ORD(c) - 0C0H, 6); |
||
280 | IF i + 1 < srclen THEN |
||
7667 | akron1 | 281 | INC(i); |
282 | INC(u, ORD(BITS(ORD(src[i])) * {0..5})) |
||
7597 | akron1 | 283 | END |
284 | |||
285 | |0E1X..0EFX: |
||
286 | u := LSL(ORD(c) - 0E0H, 12); |
||
7693 | akron1 | 287 | IF i + 1 < srclen THEN |
7667 | akron1 | 288 | INC(i); |
289 | INC(u, ORD(BITS(ORD(src[i])) * {0..5}) * 64) |
||
7597 | akron1 | 290 | END; |
291 | IF i + 1 < srclen THEN |
||
7693 | akron1 | 292 | INC(i); |
7667 | akron1 | 293 | INC(u, ORD(BITS(ORD(src[i])) * {0..5})) |
7597 | akron1 | 294 | END |
295 | (* |
||
296 | |0F1X..0F7X: |
||
297 | |0F9X..0FBX: |
||
298 | |0FDX: |
||
299 | *) |
||
300 | ELSE |
||
301 | END; |
||
302 | INC(i); |
||
303 | dst[j] := WCHR(u); |
||
304 | INC(j) |
||
305 | END; |
||
306 | IF j < dstlen THEN |
||
307 | dst[j] := WCHR(0) |
||
308 | END |
||
309 | |||
310 | RETURN j |
||
311 | END Utf8To16; |
||
312 | |||
313 | |||
7696 | akron1 | 314 | END STRINGS.>>>>>>>>>>>>=>>=>=>=>=>=>=>=>=>=>=>>>=>>>>>> |