complete: 9

README.md

@@ -1,5 +1,17 @@
 # PPJ
 
-This branch contains the solution for the **5th task**.
+This repository exists to archive PJATK tasks for the PPJ curriculum.
 
-[Go back to main](/femsci/ppj/src/branch/nya)
+Each task can be found under its **corresponding branch**: `task/n`.
+
+### Completed tasks:
+
+- [Task 1](/femsci/ppj/src/branch/task/1)
+- [Task 2](/femsci/ppj/src/branch/task/2)
+- [Task 3](/femsci/ppj/src/branch/task/3)
+- [Task 4](/femsci/ppj/src/branch/task/4)
+- [Task 5](/femsci/ppj/src/branch/task/5)
+- [Task 6](/femsci/ppj/src/branch/task/6)
+- [Task 7](/femsci/ppj/src/branch/task/7)
+- [Task 8](/femsci/ppj/src/branch/task/8)
+- [Task 9](/femsci/ppj/src/branch/task/9)

dev/meowmeow/Kitku.java

@@ -1,31 +0,0 @@
-/*
- * TASK 5
- * archived at https://git.femboy.science/femsci/ppj/src/branch/task/5
- * by femsci
- */
-
-package dev.meowmeow;
-
-public class Kitku {
-
-    public static void main(String[] args) {
-        // let's play with silly datestamps and serialization
-        // 2127 + 10
-
-        LimitedDate from = new LimitedDate(3, 2, 2000),
-                to = new LimitedDate(29, 11, 2127);
-
-        System.out.printf("**Original**\n%s -> %s\n\n", from, to);
-        
-        // for more explicitness let's stress test the system by redundant serde ops
-        int spanRaw = new LimitedDateSpan(from, to).rawSpan();
-
-        LimitedDateSpan theActualSpanAbstraction = new LimitedDateSpan(spanRaw);
-
-        // here we perform the another batch of deserialization operations :3
-        LimitedDate fromde = theActualSpanAbstraction.dateFrom(),
-                tode = theActualSpanAbstraction.dateTo();
-        
-        System.out.printf("**Reconstructed**\n%s -> %s\n", fromde, tode);
-    }
-}

dev/meowmeow/LimitedDate.java

@@ -1,51 +0,0 @@
-/*
- * TASK 5
- * archived at https://git.femboy.science/femsci/ppj/src/branch/task/5
- * by femsci
- */
-
-package dev.meowmeow;
-
-public class LimitedDate {
-    public LimitedDate(int day, int month, int year) {
-        if (year < 2000 || year > 2127) {
-            throw new IllegalArgumentException("year must be within [2000..2127]");
-        }
-
-        if (month < 1 || month > 12) {
-            throw new IllegalArgumentException("month must be within [1..12]");
-        }
-
-        if (day < 1 || day > 31) {
-            throw new IllegalArgumentException("day must be within [1..31]");
-        }
-        this.day = day;
-        this.month = month;
-        this.year = year;
-    }
-
-    private final int day, month, year;
-
-    @Override
-    public String toString() {
-        return String.format("%02d.%02d.%04d", day, month, year);
-    }
-
-    /*
-     * the structure (sadly java does not support unsigned integers):
-     * | octet 1 .| octet 2. |
-     * | 01234567 | 89abcdef |
-     * | Yyyyyyym | mmmddddd |
-     */
-    public short toSillyDatestamp() {
-        int yr = year - 2000;
-        return (short) ((yr << 9) | (month << 5) | (day));
-    }
-
-    public static LimitedDate fromSillyDatestamp(short datestamp) {
-        int day = datestamp & 0x1f;
-        int month = (datestamp >> 5) & 0xf;
-        int year = (datestamp >> 9) & 0x7f;
-        return new LimitedDate(day, month, year + 2000);
-    }
-}

dev/meowmeow/LimitedDateSpan.java

@@ -1,44 +0,0 @@
-/*
- * TASK 5
- * archived at https://git.femboy.science/femsci/ppj/src/branch/task/5
- * by femsci
- */
-
-package dev.meowmeow;
-
-public class LimitedDateSpan {
-    
-    // we still don't account for the transitions and abominable human-made
-    // exceptions
-    public LimitedDateSpan(LimitedDate from, LimitedDate to) {
-        this(from.toSillyDatestamp(), to.toSillyDatestamp());
-    }
-
-    LimitedDateSpan(short rawFrom, short rawTo) {
-        this((rawFrom << 16) | Short.toUnsignedInt(rawTo));
-    }
-
-    LimitedDateSpan(int raw) {
-        this.serializedData = raw;
-    }
-
-    // let's pretend that we need some weird optimization scheme, despite GC being
-    // finally smart enough
-
-    private final int serializedData;
-
-    public LimitedDate dateFrom() {
-        return LimitedDate.fromSillyDatestamp((short) ((serializedData >> 16) & 0xffff));
-    }
-
-    public LimitedDate dateTo() {
-        return LimitedDate.fromSillyDatestamp((short) (serializedData & 0xffff));
-    }
-
-    int rawSpan() {
-        return serializedData;
-    }
-
-    // span calc methods etc...
-    // years(), days()...
-}