Backport: Feature [feature-requests:1347]. Add methods to insert multiple partitions.

Backport of changeset 8228:753e94011b20.

1 files changed, 20 insertions, 0 deletions

diff --git a/src/Partitioning.h b/src/Partitioning.h
index bb3320b80..171a694d9 100644
--- a/src/Partitioning.h
+++ b/src/Partitioning.h
@@ -124,6 +124,26 @@ public:
 		stepPartition++;
 	}
 
+	void InsertPartitions(T partition, const T *positions, size_t length) {
+		if (stepPartition < partition) {
+			ApplyStep(partition);
+		}
+		body->InsertFromArray(partition, positions, 0, length);
+		stepPartition += static_cast<T>(length);
+	}
+
+	void InsertPartitionsWithCast(T partition, const ptrdiff_t *positions, size_t length) {
+		// Used for 64-bit builds when T is 32-bits
+		if (stepPartition < partition) {
+			ApplyStep(partition);
+		}
+		T *pInsertion = body->InsertEmpty(partition, length);
+		for (size_t i = 0; i < length; i++) {
+			pInsertion[i] = static_cast<T>(positions[i]);
+		}
+		stepPartition += static_cast<T>(length);
+	}
+
 	void SetPartitionStartPosition(T partition, T pos) noexcept {
 		ApplyStep(partition+1);
 		if ((partition < 0) || (partition > body->Length())) {