2 files changed, 28 insertions, 2 deletions
diff --git a/native/jni/src/utils/byte_array_view.h b/native/jni/src/utils/byte_array_view.h
index 10d7ae278..2b778af6f 100644
--- a/native/jni/src/utils/byte_array_view.h
+++ b/native/jni/src/utils/byte_array_view.h
@@ -42,6 +42,13 @@ class ReadOnlyByteArrayView {
         return mPtr;
     }
 
+    AK_FORCE_INLINE const ReadOnlyByteArrayView skip(const size_t n) const {
+        if (mSize <= n) {
+            return ReadOnlyByteArrayView();
+        }
+        return ReadOnlyByteArrayView(mPtr + n, mSize - n);
+    }
+
  private:
     DISALLOW_ASSIGNMENT_OPERATOR(ReadOnlyByteArrayView);
 
diff --git a/native/jni/src/utils/int_array_view.h b/native/jni/src/utils/int_array_view.h
index caa13d976..f3a8589ca 100644
--- a/native/jni/src/utils/int_array_view.h
+++ b/native/jni/src/utils/int_array_view.h
@@ -17,6 +17,7 @@
 #ifndef LATINIME_INT_ARRAY_VIEW_H
 #define LATINIME_INT_ARRAY_VIEW_H
 
+#include <algorithm>
 #include <array>
 #include <cstdint>
 #include <cstring>
@@ -92,12 +93,16 @@ class IntArrayView {
         return mPtr + mSize;
     }
 
+    AK_FORCE_INLINE bool contains(const int value) const {
+        return std::find(begin(), end(), value) != end();
+    }
+
     // Returns the view whose size is smaller than or equal to the given count.
-    const IntArrayView limit(const size_t maxSize) const {
+    AK_FORCE_INLINE const IntArrayView limit(const size_t maxSize) const {
         return IntArrayView(mPtr, std::min(maxSize, mSize));
     }
 
-    const IntArrayView skip(const size_t n) const {
+    AK_FORCE_INLINE const IntArrayView skip(const size_t n) const {
         if (mSize <= n) {
             return IntArrayView();
         }
@@ -110,6 +115,20 @@ class IntArrayView {
         memmove(buffer->data() + offset, mPtr, sizeof(int) * mSize);
     }
 
+    AK_FORCE_INLINE int firstOrDefault(const int defaultValue) const {
+        if (empty()) {
+            return defaultValue;
+        }
+        return mPtr[0];
+    }
+
+    AK_FORCE_INLINE int lastOrDefault(const int defaultValue) const {
+        if (empty()) {
+            return defaultValue;
+        }
+        return mPtr[mSize - 1];
+    }
+
  private:
     DISALLOW_ASSIGNMENT_OPERATOR(IntArrayView);