Just in time processing on a character stream: Difference between revisions
Just in time processing on a character stream (view source)
Revision as of 00:14, 24 August 2018
, 5 years ago→{{header|Kotlin}}
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Line 321:
Silence-Dogood.
</pre>
=={{header|Java}}==
{{trans|Kotlin}}
<lang java>import java.io.IOException;
import java.nio.charset.StandardCharsets;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.util.ArrayList;
import java.util.List;
import java.util.function.Predicate;
public class Processing {
private static class UserInput {
private char formFeed;
private char lineFeed;
private char tab;
private char space;
private UserInput(char formFeed, char lineFeed, char tab, char space) {
this.formFeed = formFeed;
this.lineFeed = lineFeed;
this.tab = tab;
this.space = space;
}
char getFormFeed() {
return formFeed;
}
char getLineFeed() {
return lineFeed;
}
char getTab() {
return tab;
}
char getSpace() {
return space;
}
}
private static List<UserInput> getUserInput() {
String h = "0 18 0 0 0 68 0 1 0 100 0 32 0 114 0 45 0 38 0 26 0 16 0 21 0 17 0 59 0 11 " +
"0 29 0 102 0 0 0 10 0 50 0 39 0 42 0 33 0 50 0 46 0 54 0 76 0 47 0 84 2 28";
String[] s = h.split(" ");
List<UserInput> uiList = new ArrayList<>();
for (int idx = 0; idx + 3 < s.length; idx += 4) {
char c0 = (char) Integer.parseInt(s[idx + 0]);
char c1 = (char) Integer.parseInt(s[idx + 1]);
char c2 = (char) Integer.parseInt(s[idx + 2]);
char c3 = (char) Integer.parseInt(s[idx + 3]);
UserInput userInput = new UserInput(c0, c1, c2, c3);
uiList.add(userInput);
}
return uiList;
}
private static void decode(String fileName, List<UserInput> uiList) throws IOException {
Path path = Paths.get(fileName);
byte[] bytes = Files.readAllBytes(path);
String text = new String(bytes, StandardCharsets.UTF_8);
Predicate<UserInput> decode2 = (UserInput ui) -> {
char f = 0;
char l = 0;
char t = 0;
char s = 0;
char ff = ui.getFormFeed();
char lf = ui.getLineFeed();
char tb = ui.getTab();
char sp = ui.getSpace();
for (char c : text.toCharArray()) {
if (f == ff && l == lf && t == tb && s == sp) {
if (c == '!') {
return false;
}
System.out.print(c);
return true;
}
switch (c) {
case '\u000c':
f++;
l = 0;
t = 0;
s = 0;
break;
case '\n':
l++;
t = 0;
s = 0;
break;
case '\t':
t++;
s = 0;
break;
default:
s++;
break;
}
}
return false;
};
for (UserInput ui : uiList) {
if (!decode2.test(ui)) {
break;
}
}
System.out.println();
}
public static void main(String[] args) throws IOException {
List<UserInput> uiList = getUserInput();
decode("theRaven.txt", uiList);
}
}</lang>
{{out}}
<pre>Silence-Dogood.</pre>
=={{header|Kotlin}}==
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