zzzxl1993 commented on code in PR #245:
URL: https://github.com/apache/doris-thirdparty/pull/245#discussion_r1827641782
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src/core/CLucene/store/v2/ByteArrayDataInput.h:
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@@ -0,0 +1,126 @@
+#pragma once
+
+#include <zstd.h>
+
+#include <algorithm>
+#include <cstdint>
+#include <vector>
+#include <iostream>
+
+#include "CLucene.h"
+#include "CLucene/store/IndexInput.h"
+
+namespace v2 {
+
+class ByteArrayDataInput : public CL_NS(store)::IndexInput {
+public:
+ ByteArrayDataInput() : owns_(true), bytes_(new std::vector<uint8_t>()) {}
+
+ ByteArrayDataInput(std::vector<uint8_t>* bytes) { reset(bytes); }
+
+ ~ByteArrayDataInput() override {
+ if (owns_) {
+ if (bytes_ != nullptr) {
+ delete bytes_;
+ bytes_ = nullptr;
+ }
+ }
+ }
+
+ void reset(std::vector<uint8_t>* bytes) { reset(bytes, 0, bytes->size()); }
+
+ void reset(std::vector<uint8_t>* bytes, int32_t offset, int32_t len) {
+ bytes_ = bytes;
+ pos_ = offset;
+ limit_ = offset + len;
+ }
+
+ uint8_t readByte() override { return (*bytes_)[pos_++]; }
+
+ void readBytes(uint8_t* b, const int32_t len) override { readBytes(b, 0,
len); }
+
+ void readBytes(uint8_t* b, const int32_t len, int32_t offset) override {
Review Comment:
I need to maintain consistency with the clucene IndexOutput interface.
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