110 lines
2.3 KiB
C
110 lines
2.3 KiB
C
#include <daemons.h>
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#include <lib.h>
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inherit LIB_COMMAND;
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mapping alpha1 = ([
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1 : "a",
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2 : "b",
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3 : "c",
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4 : "d",
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5 : "e",
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6 : "f",
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7 : "g",
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8 : "h",
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9 : "i",
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10 : "j",
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11 : "k",
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12 : "l",
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13 : "m",
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14 : "n",
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15 : "o",
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16 : "p",
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17 : "q",
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18 : "r",
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19 : "s",
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20 : "t",
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21 : "u",
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22 : "v",
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23 : "w",
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24 : "x",
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25 : "y",
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26 : "z",
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]);
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mapping alpha2 = ([]);
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string doRotate(int code, string str){
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string *str_array = explode(str,"");
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string ret = "";
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foreach(string element in str_array){
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if(alpha2[element]){
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int operand;
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operand = alpha2[element]+code;
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if(operand > 26){
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operand -= 26;
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}
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if(operand < 1){
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operand = 26 - abs(operand);
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}
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ret += alpha1[operand];
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}
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else ret += element;
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}
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return ret;
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}
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int cmd(string str){
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int code;
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string tmp, tmp2;
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string ret = "";
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string *str_array = ({});
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if(!str){
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write("Please see \"help rot\".");
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return 1;
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}
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str = lower_case(str);
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if(!alpha2 || !sizeof(alpha2)){
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alpha2 = ([]);
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foreach(mixed key, mixed val in alpha1) alpha2[val] = key;
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}
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if(sscanf(str,"%d %s",code, tmp)){
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str_array = explode(str,"");
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ret = doRotate(code, str);
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}
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else if(sscanf(str,"%s %s",tmp, tmp2)){
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if(tmp = "-q"){
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string tmp3, tmp4;
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if(sscanf(tmp2,"%s %s",tmp3, tmp4) == 2 &&
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sizeof(tmp3) == 1 && sizeof(tmp4) == 1){
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ret = alpha2[tmp3] - alpha2[tmp4];
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}
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else {
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for(int i=0;i<26;i++){
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write(i+": "+doRotate(i, tmp2));
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}
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}
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}
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}
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write("Output: "+ret);
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return 1;
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}
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string GetHelp(string str) {
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return "Syntax: rot -q <FIRSTLETTER> <SECONDLETTER>\n"
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" rot <NUMBER> <STRING>\n"
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"Provides arbitrary alphabetical place rotation "
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"of letters. For example, \n"
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"rot 13 hello\n"
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"returns uryyb, and\n"
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"rot 13 uryyb\n"
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"returns hello.";
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}
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