Speiger/Primitive-Collections
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New Features

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- Added: ImmutableList.
- Added: Iterator pour function into a List or Array
- Changed: Arrays Wrap is now accessible to Objects and now is ? extends
TYPE instead of TYPE.
This commit is contained in:
Speiger
2021-06-25 12:28:19 +02:00
parent 8618c10d01
commit 2b408fb2b2
7 changed files with 505 additions and 33 deletions
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src/builder/resources/speiger/assets/collections/templates/utils/Arrays.template
+25
View File
@@ -10,6 +10,9 @@ import speiger.src.collections.PACKAGE.functions.COMPARATOR;
import java.util.Comparator;
#endif
import speiger.src.collections.PACKAGE.collections.ITERATOR;
import speiger.src.collections.PACKAGE.lists.ARRAY_LIST;
import speiger.src.collections.PACKAGE.utils.ITERATORS;
import speiger.src.collections.utils.SanityChecks;
/**
@@ -111,6 +114,28 @@ public class ARRAYS
}
#endif
/**
* A Helper function that pours all elements of a iterator into a Array
* @param iter the elements that should be gathered.
* @ArrayType(T)
* @return array with all elements of the iterator
*/
public static GENERIC_KEY_BRACES KEY_TYPE[] pour(ITERATOR KEY_GENERIC_TYPE iter) {
return pour(iter, Integer.MAX_VALUE);
}
/**
* A Helper function that pours all elements of a iterator into a Array
* @param iter the elements that should be gathered.
* @param max how many elements should be added
* @ArrayType(T)
* @return array with all requested elements of the iterator
*/
public static GENERIC_KEY_BRACES KEY_TYPE[] pour(ITERATOR KEY_GENERIC_TYPE iter, int max) {
ARRAY_LIST KEY_GENERIC_TYPE list = new ARRAY_LISTBRACES();
ITERATORS.pour(iter, list, max);
return list.TO_ARRAY(NEW_KEY_ARRAY(list.size()));
}
/**
* Method to validate if the current value is the lowest value in the heap
* @param data the current heap.
src/builder/resources/speiger/assets/collections/templates/utils/Iterators.template
+85 -32
View File
@@ -3,8 +3,11 @@ package speiger.src.collections.PACKAGE.utils;
import java.util.Iterator;
import java.util.NoSuchElementException;
import speiger.src.collections.PACKAGE.collections.ITERATOR;
import speiger.src.collections.PACKAGE.lists.ARRAY_LIST;
import speiger.src.collections.PACKAGE.lists.LIST;
import speiger.src.collections.PACKAGE.lists.LIST_ITERATOR;
import speiger.src.collections.PACKAGE.collections.BI_ITERATOR;
import speiger.src.collections.PACKAGE.collections.COLLECTION;
/**
* A Helper class for Iterators
@@ -78,18 +81,16 @@ public class ITERATORS
public static GENERIC_KEY_BRACES LIST_ITERATOR KEY_GENERIC_TYPE unmodifiable(LIST_ITERATOR KEY_GENERIC_TYPE iterator) {
return iterator instanceof UnmodifiableListIterator ? iterator : new UnmodifiableListIteratorBRACES(iterator);
}
#if !TYPE_OBJECT
/**
/**
* Helper function to convert a Object Iterator into a Primitive Iterator
* @param iterator that should be converted to a unboxing iterator
* @ArrayType(T)
* @return a primitive iterator
*/
public static ITERATOR wrap(Iterator<CLASS_TYPE> iterator) {
return iterator instanceof ITERATOR ? (ITERATOR)iterator : new IteratorWrapper(iterator);
public static GENERIC_KEY_BRACES ITERATOR KEY_GENERIC_TYPE wrap(Iterator<? extends CLASS_TYPE> iterator) {
return iterator instanceof ITERATOR ? (ITERATOR KEY_GENERIC_TYPE)iterator : new IteratorWrapperBRACES(iterator);
}
#endif
/**
* Returns a Array Wrapping iterator
* @param a the array that should be wrapped
@@ -197,28 +198,6 @@ public class ITERATORS
return index;
}
/**
* Helper Iterator that concats other iterators together
* @param array the Iterators that should be concatenated
* @ArrayType(T)
* @return iterator of the inputted iterators
*/
public static GENERIC_KEY_BRACES ITERATOR KEY_GENERIC_TYPE concat(ITERATOR KEY_GENERIC_TYPE... array) {
return concat(array, 0, array.length);
}
/**
* Helper Iterator that concats other iterators together
* @param array the Iterators that should be concatenated
* @param offset where to start within the array
* @param length the length of the array
* @ArrayType(T)
* @return iterator of the inputted iterators
*/
public static GENERIC_KEY_BRACES ITERATOR KEY_GENERIC_TYPE concat(ITERATOR KEY_GENERIC_TYPE[] array, int offset, int length) {
return new ConcatIteratorBRACES(array, offset, length);
}
#if !TYPE_OBJECT
/**
* A Function to convert a Primitive Iterator to a Object array.
@@ -264,11 +243,84 @@ public class ITERATORS
return index;
}
private static class IteratorWrapper implements ITERATOR
#endif
/**
* A Helper function to pours all elements of a Iterator into a List
* @param iter the elements that should be poured into list.
* @ArrayType(T)
* @return A list of all elements of the Iterator
*/
public static GENERIC_KEY_BRACES LIST KEY_GENERIC_TYPE pour(ITERATOR KEY_GENERIC_TYPE iter) {
return pour(iter, Integer.MAX_VALUE);
}
/**
* A Helper function to pours all elements of a Iterator into a List
* @param iter the elements that should be poured into list.
* @param max the maximum amount of elements that should be collected
* @ArrayType(T)
* @return A list of all requested elements of the Iterator
*/
public static GENERIC_KEY_BRACES LIST KEY_GENERIC_TYPE pour(ITERATOR KEY_GENERIC_TYPE iter, int max) {
ARRAY_LIST KEY_GENERIC_TYPE list = new ARRAY_LISTBRACES();
pour(iter, list, max);
list.trim();
return list;
}
/**
* A Helper function to pours all elements of a Iterator into a Collection
* @param iter the elements that should be poured into list.
* @param c the collection where the elements should be poured into
* @ArrayType(T)
* @return the amount of elements that were added
*/
public static GENERIC_KEY_BRACES int pour(ITERATOR KEY_GENERIC_TYPE iter, COLLECTION KEY_GENERIC_TYPE c) {
return pour(iter, c, Integer.MAX_VALUE);
}
/**
* A Helper function to pours all elements of a Iterator into a Collection
* @param iter the elements that should be poured into list.
* @param c the collection where the elements should be poured into
* @param max the maximum amount of elements that should be collected
* @ArrayType(T)
* @return the amount of elements that were added
*/
public static GENERIC_KEY_BRACES int pour(ITERATOR KEY_GENERIC_TYPE iter, COLLECTION KEY_GENERIC_TYPE c, int max) {
if(max < 0) throw new IllegalStateException("Max is negative");
int done = 0;
for(;done<max && iter.hasNext();done++, c.add(iter.NEXT()));
return done;
}
/**
* Helper Iterator that concats other iterators together
* @param array the Iterators that should be concatenated
* @ArrayType(T)
* @return iterator of the inputted iterators
*/
public static GENERIC_KEY_BRACES ITERATOR KEY_GENERIC_TYPE concat(ITERATOR KEY_GENERIC_TYPE... array) {
return concat(array, 0, array.length);
}
/**
* Helper Iterator that concats other iterators together
* @param array the Iterators that should be concatenated
* @param offset where to start within the array
* @param length the length of the array
* @ArrayType(T)
* @return iterator of the inputted iterators
*/
public static GENERIC_KEY_BRACES ITERATOR KEY_GENERIC_TYPE concat(ITERATOR KEY_GENERIC_TYPE[] array, int offset, int length) {
return new ConcatIteratorBRACES(array, offset, length);
}
private static class IteratorWrapper KEY_GENERIC_TYPE implements ITERATOR KEY_GENERIC_TYPE
{
Iterator<CLASS_TYPE> iter;
Iterator<? extends CLASS_TYPE> iter;
public IteratorWrapper(Iterator<CLASS_TYPE> iter) {
public IteratorWrapper(Iterator<? extends CLASS_TYPE> iter) {
this.iter = iter;
}
@@ -282,14 +334,15 @@ public class ITERATORS
return OBJ_TO_KEY(iter.next());
}
#if !TYPE_OBJECT
@Override
@Deprecated
public CLASS_TYPE next() {
return iter.next();
}
#endif
}
#endif
private static class ConcatIterator KEY_GENERIC_TYPE implements ITERATOR KEY_GENERIC_TYPE
{
ITERATOR KEY_GENERIC_TYPE[] iters;