Add ByteArrayUtils::readSignedInt24andAdvancePosition to read dynamic dictionaries.
Bug: 6669677
Change-Id: I75eeedbb50868432f6a7ff5fa63624d03e788356
diff --git a/native/jni/src/suggest/core/dictionary/byte_array_utils.h b/native/jni/src/suggest/core/dictionary/byte_array_utils.h
index d3321f6..daa822f 100644
--- a/native/jni/src/suggest/core/dictionary/byte_array_utils.h
+++ b/native/jni/src/suggest/core/dictionary/byte_array_utils.h
@@ -57,6 +57,17 @@
return value;
}
+ static AK_FORCE_INLINE int readSint24andAdvancePosition(
+ const uint8_t *const buffer, int *const pos) {
+ const uint8_t value = readUint8(buffer, *pos);
+ if (value < 0x80) {
+ return readUint24andAdvancePosition(buffer, pos);
+ } else {
+ (*pos)++;
+ return -(((value & 0x7F) << 16) ^ readUint16andAdvancePosition(buffer, pos));
+ }
+ }
+
static AK_FORCE_INLINE uint32_t readUint24andAdvancePosition(
const uint8_t *const buffer, int *const pos) {
const uint32_t value = readUint24(buffer, *pos);