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Rev | Author | Line No. | Line |
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7983 | leency | 1 | (* |
7597 | akron1 | 2 | BSD 2-Clause License |
3 | |||
7983 | leency | 4 | Copyright (c) 2018-2020, Anton Krotov |
7597 | akron1 | 5 | All rights reserved. |
6 | *) |
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7 | |||
8 | MODULE STRINGS; |
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9 | |||
10 | IMPORT UTILS; |
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11 | |||
12 | |||
8097 | maxcodehac | 13 | PROCEDURE copy* (src: ARRAY OF CHAR; VAR dst: ARRAY OF CHAR; spos, dpos, count: INTEGER); |
14 | BEGIN |
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15 | WHILE count > 0 DO |
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16 | dst[dpos] := src[spos]; |
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17 | INC(spos); |
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18 | INC(dpos); |
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19 | DEC(count) |
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20 | END |
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21 | END copy; |
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22 | |||
23 | |||
7597 | akron1 | 24 | PROCEDURE append* (VAR s1: ARRAY OF CHAR; s2: ARRAY OF CHAR); |
25 | VAR |
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8097 | maxcodehac | 26 | n1, n2: INTEGER; |
7983 | leency | 27 | |
7597 | akron1 | 28 | BEGIN |
29 | n1 := LENGTH(s1); |
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30 | n2 := LENGTH(s2); |
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31 | |||
32 | ASSERT(n1 + n2 < LEN(s1)); |
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33 | |||
8097 | maxcodehac | 34 | copy(s2, s1, 0, n1, n2); |
35 | s1[n1 + n2] := 0X |
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7597 | akron1 | 36 | END append; |
37 | |||
38 | |||
39 | PROCEDURE IntToStr* (x: INTEGER; VAR str: ARRAY OF CHAR); |
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40 | VAR |
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41 | i, a: INTEGER; |
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42 | |||
43 | BEGIN |
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44 | IF x = UTILS.minint THEN |
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45 | IF UTILS.bit_depth = 32 THEN |
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46 | COPY("-2147483648", str) |
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47 | ELSIF UTILS.bit_depth = 64 THEN |
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48 | COPY("-9223372036854775808", str) |
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49 | END |
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50 | |||
51 | ELSE |
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8097 | maxcodehac | 52 | i := 0; |
53 | IF x < 0 THEN |
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54 | x := -x; |
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55 | i := 1; |
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56 | str[0] := "-" |
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57 | END; |
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7597 | akron1 | 58 | |
8097 | maxcodehac | 59 | a := x; |
7597 | akron1 | 60 | REPEAT |
8097 | maxcodehac | 61 | INC(i); |
62 | a := a DIV 10 |
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63 | UNTIL a = 0; |
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7597 | akron1 | 64 | |
65 | str[i] := 0X; |
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66 | |||
8097 | maxcodehac | 67 | REPEAT |
68 | DEC(i); |
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69 | str[i] := CHR(x MOD 10 + ORD("0")); |
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70 | x := x DIV 10 |
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71 | UNTIL x = 0 |
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7597 | akron1 | 72 | END |
73 | END IntToStr; |
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74 | |||
75 | |||
7693 | akron1 | 76 | PROCEDURE IntToHex* (x: INTEGER; VAR str: ARRAY OF CHAR; n: INTEGER); |
77 | BEGIN |
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78 | str[n] := 0X; |
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79 | WHILE n > 0 DO |
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8097 | maxcodehac | 80 | str[n - 1] := CHR(UTILS.hexdgt(x MOD 16)); |
7693 | akron1 | 81 | x := x DIV 16; |
82 | DEC(n) |
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83 | END |
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84 | END IntToHex; |
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85 | |||
86 | |||
7597 | akron1 | 87 | PROCEDURE search* (s: ARRAY OF CHAR; VAR pos: INTEGER; c: CHAR; forward: BOOLEAN); |
88 | VAR |
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89 | length: INTEGER; |
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90 | |||
91 | BEGIN |
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92 | length := LENGTH(s); |
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93 | |||
94 | IF (0 <= pos) & (pos < length) THEN |
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95 | IF forward THEN |
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96 | WHILE (pos < length) & (s[pos] # c) DO |
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97 | INC(pos) |
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98 | END; |
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99 | IF pos = length THEN |
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100 | pos := -1 |
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101 | END |
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102 | ELSE |
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103 | WHILE (pos >= 0) & (s[pos] # c) DO |
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104 | DEC(pos) |
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105 | END |
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106 | END |
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107 | ELSE |
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108 | pos := -1 |
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109 | END |
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110 | END search; |
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111 | |||
112 | |||
113 | PROCEDURE letter* (c: CHAR): BOOLEAN; |
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114 | RETURN ("a" <= c) & (c <= "z") OR ("A" <= c) & (c <= "Z") OR (c = "_") |
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115 | END letter; |
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116 | |||
117 | |||
118 | PROCEDURE digit* (c: CHAR): BOOLEAN; |
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119 | RETURN ("0" <= c) & (c <= "9") |
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120 | END digit; |
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121 | |||
122 | |||
123 | PROCEDURE hexdigit* (c: CHAR): BOOLEAN; |
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124 | RETURN ("0" <= c) & (c <= "9") OR ("A" <= c) & (c <= "F") |
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125 | END hexdigit; |
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126 | |||
127 | |||
128 | PROCEDURE space* (c: CHAR): BOOLEAN; |
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129 | RETURN (0X < c) & (c <= 20X) |
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130 | END space; |
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131 | |||
132 | |||
7983 | leency | 133 | PROCEDURE cap (VAR c: CHAR); |
134 | BEGIN |
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135 | IF ("a" <= c) & (c <= "z") THEN |
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136 | c := CHR(ORD(c) - 32) |
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137 | END |
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138 | END cap; |
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139 | |||
140 | |||
141 | PROCEDURE UpCase* (VAR str: ARRAY OF CHAR); |
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142 | VAR |
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143 | i: INTEGER; |
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144 | |||
145 | BEGIN |
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8097 | maxcodehac | 146 | i := LENGTH(str) - 1; |
147 | WHILE i >= 0 DO |
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7983 | leency | 148 | cap(str[i]); |
8097 | maxcodehac | 149 | DEC(i) |
7983 | leency | 150 | END |
151 | END UpCase; |
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152 | |||
153 | |||
7597 | akron1 | 154 | PROCEDURE StrToInt* (str: ARRAY OF CHAR; VAR x: INTEGER): BOOLEAN; |
155 | VAR |
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156 | i, k: INTEGER; |
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157 | res: BOOLEAN; |
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158 | |||
159 | BEGIN |
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160 | res := TRUE; |
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161 | i := 0; |
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162 | x := 0; |
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163 | k := LENGTH(str); |
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164 | WHILE i < k DO |
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165 | IF digit(str[i]) THEN |
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166 | x := x * 10 + ORD(str[i]) - ORD("0") |
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167 | ELSE |
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168 | i := k; |
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169 | res := FALSE |
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170 | END; |
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171 | INC(i) |
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172 | END |
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173 | |||
174 | RETURN res |
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175 | END StrToInt; |
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176 | |||
177 | |||
178 | PROCEDURE CheckVer (str: ARRAY OF CHAR): BOOLEAN; |
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179 | VAR |
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180 | i, k: INTEGER; |
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181 | res: BOOLEAN; |
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182 | |||
183 | BEGIN |
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184 | k := LENGTH(str); |
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185 | res := k < LEN(str); |
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186 | |||
187 | IF res & digit(str[0]) THEN |
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188 | i := 0; |
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189 | WHILE (i < k) & digit(str[i]) DO |
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190 | INC(i) |
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191 | END; |
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192 | IF (i < k) & (str[i] = ".") THEN |
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193 | INC(i); |
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194 | IF i < k THEN |
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195 | WHILE (i < k) & digit(str[i]) DO |
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196 | INC(i) |
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197 | END |
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198 | ELSE |
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199 | res := FALSE |
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200 | END |
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201 | ELSE |
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202 | res := FALSE |
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203 | END; |
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204 | |||
205 | res := res & (i = k) |
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206 | ELSE |
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207 | res := FALSE |
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208 | END |
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209 | |||
210 | RETURN res |
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211 | END CheckVer; |
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212 | |||
213 | |||
214 | PROCEDURE StrToVer* (str: ARRAY OF CHAR; VAR major, minor: INTEGER): BOOLEAN; |
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215 | VAR |
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216 | i: INTEGER; |
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217 | res: BOOLEAN; |
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218 | |||
219 | BEGIN |
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220 | res := CheckVer(str); |
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221 | |||
222 | IF res THEN |
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223 | i := 0; |
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224 | minor := 0; |
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225 | major := 0; |
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226 | WHILE digit(str[i]) DO |
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227 | major := major * 10 + ORD(str[i]) - ORD("0"); |
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228 | INC(i) |
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229 | END; |
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230 | INC(i); |
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231 | WHILE digit(str[i]) DO |
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232 | minor := minor * 10 + ORD(str[i]) - ORD("0"); |
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233 | INC(i) |
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234 | END |
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235 | END |
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236 | |||
237 | RETURN res |
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238 | END StrToVer; |
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239 | |||
240 | |||
241 | PROCEDURE Utf8To16* (src: ARRAY OF CHAR; VAR dst: ARRAY OF WCHAR): INTEGER; |
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242 | VAR |
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243 | i, j, u, srclen, dstlen: INTEGER; |
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244 | c: CHAR; |
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245 | |||
246 | BEGIN |
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247 | srclen := LEN(src); |
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248 | dstlen := LEN(dst); |
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249 | i := 0; |
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250 | j := 0; |
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251 | WHILE (i < srclen) & (j < dstlen) & (src[i] # 0X) DO |
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252 | c := src[i]; |
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253 | CASE c OF |
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254 | |00X..7FX: |
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255 | u := ORD(c) |
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256 | |||
257 | |0C1X..0DFX: |
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7983 | leency | 258 | u := (ORD(c) - 0C0H) * 64; |
7597 | akron1 | 259 | IF i + 1 < srclen THEN |
7667 | akron1 | 260 | INC(i); |
7983 | leency | 261 | INC(u, ORD(src[i]) MOD 64) |
7597 | akron1 | 262 | END |
263 | |||
264 | |0E1X..0EFX: |
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7983 | leency | 265 | u := (ORD(c) - 0E0H) * 4096; |
7693 | akron1 | 266 | IF i + 1 < srclen THEN |
7667 | akron1 | 267 | INC(i); |
7983 | leency | 268 | INC(u, (ORD(src[i]) MOD 64) * 64) |
7597 | akron1 | 269 | END; |
270 | IF i + 1 < srclen THEN |
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7693 | akron1 | 271 | INC(i); |
7983 | leency | 272 | INC(u, ORD(src[i]) MOD 64) |
7597 | akron1 | 273 | END |
274 | (* |
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275 | |0F1X..0F7X: |
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276 | |0F9X..0FBX: |
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277 | |0FDX: |
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278 | *) |
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279 | ELSE |
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280 | END; |
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281 | INC(i); |
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282 | dst[j] := WCHR(u); |
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283 | INC(j) |
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284 | END; |
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285 | IF j < dstlen THEN |
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286 | dst[j] := WCHR(0) |
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287 | END |
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288 | |||
289 | RETURN j |
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290 | END Utf8To16; |
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291 | |||
292 | |||
7983 | leency | 293 | END STRINGS.>>>>>>>>>>>>=>=>=>>=>=>=>=>=>=>=>=>=>=>>>=>>> |