From 2c0e3e3c68772d06b2a842c1c5403b382763deec Mon Sep 17 00:00:00 2001
From: Tor Egge <Tor.Egge@broadpark.no>
Date: Sat, 25 Apr 2020 23:42:21 +0200
Subject: Move BufferWriter back to searchlib.

---
 .../src/vespa/vespalib/datastore/unique_store.hpp  |  1 -
 vespalib/src/vespa/vespalib/util/CMakeLists.txt    |  1 -
 vespalib/src/vespa/vespalib/util/bufferwriter.cpp  | 36 --------------
 vespalib/src/vespa/vespalib/util/bufferwriter.h    | 56 ----------------------
 4 files changed, 94 deletions(-)
 delete mode 100644 vespalib/src/vespa/vespalib/util/bufferwriter.cpp
 delete mode 100644 vespalib/src/vespa/vespalib/util/bufferwriter.h

(limited to 'vespalib')

diff --git a/vespalib/src/vespa/vespalib/datastore/unique_store.hpp b/vespalib/src/vespa/vespalib/datastore/unique_store.hpp
index 33830bbe4ab..956d4c16d40 100644
--- a/vespalib/src/vespa/vespalib/datastore/unique_store.hpp
+++ b/vespalib/src/vespa/vespalib/datastore/unique_store.hpp
@@ -10,7 +10,6 @@
 #include "unique_store_builder.hpp"
 #include "unique_store_dictionary.hpp"
 #include "unique_store_enumerator.hpp"
-#include <vespa/vespalib/util/bufferwriter.h>
 #include <atomic>
 #include <algorithm>
 
diff --git a/vespalib/src/vespa/vespalib/util/CMakeLists.txt b/vespalib/src/vespa/vespalib/util/CMakeLists.txt
index e3397b54740..4029c4881c4 100644
--- a/vespalib/src/vespa/vespalib/util/CMakeLists.txt
+++ b/vespalib/src/vespa/vespalib/util/CMakeLists.txt
@@ -12,7 +12,6 @@ vespa_add_library(vespalib_vespalib_util OBJECT
     benchmark_timer.cpp
     blockingthreadstackexecutor.cpp
     box.cpp
-    bufferwriter.cpp
     classname.cpp
     closuretask.cpp
     compress.cpp
diff --git a/vespalib/src/vespa/vespalib/util/bufferwriter.cpp b/vespalib/src/vespa/vespalib/util/bufferwriter.cpp
deleted file mode 100644
index 6e57d6f58d4..00000000000
--- a/vespalib/src/vespa/vespalib/util/bufferwriter.cpp
+++ /dev/null
@@ -1,36 +0,0 @@
-// Copyright 2017 Yahoo Holdings. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
-
-#include "bufferwriter.h"
-
-namespace search {
-
-BufferWriter::BufferWriter()
-    : _cur(nullptr),
-      _end(nullptr),
-      _start(nullptr)
-{
-}
-
-BufferWriter::~BufferWriter() = default;
-
-void
-BufferWriter::writeSlow(const void *src, size_t len)
-{
-    size_t residue = len;
-    const char *csrc = static_cast<const char *>(src);
-    for (;;) {
-        size_t maxLen = freeLen();
-        if (residue <= maxLen) {
-            writeFast(csrc, residue);
-            break;
-        }
-        if (maxLen != 0) {
-            writeFast(csrc, maxLen);
-            csrc += maxLen;
-            residue -= maxLen;
-        }
-        flush();
-    }
-}
-
-} // namespace search
diff --git a/vespalib/src/vespa/vespalib/util/bufferwriter.h b/vespalib/src/vespa/vespalib/util/bufferwriter.h
deleted file mode 100644
index 3da6e3f8030..00000000000
--- a/vespalib/src/vespa/vespalib/util/bufferwriter.h
+++ /dev/null
@@ -1,56 +0,0 @@
-// Copyright 2017 Yahoo Holdings. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
-
-#pragma once
-
-#include <cstddef>
-
-namespace search {
-
-/**
- * Abstract class to write to a buffer with an abstract backing store
- * and abstract backing buffer.  Each time backing buffer is full,
- * flush() is called to resize it or drain it to the backing store.
- */
-class BufferWriter
-{
-    char *_cur;
-    char *_end;
-    char *_start;
-protected:
-    void rewind() { _cur = _start; }
-
-    void setup(void *start, size_t len) {
-        _start = static_cast<char *>(start);
-        _end = _start + len;
-        rewind();
-    }
-
-    size_t freeLen() const { return _end - _cur; }
-    size_t usedLen() const { return _cur - _start; }
-
-    void writeFast(const void *src, size_t len)
-    {
-        __builtin_memcpy(_cur, src, len);
-        _cur += len;
-    }
-
-    void writeSlow(const void *src, size_t len);
-
-public:
-    BufferWriter();
-
-    virtual ~BufferWriter();
-
-    virtual void flush() = 0;
-
-    void write(const void *src, size_t len)
-    {
-        if (__builtin_expect(len <= freeLen(), true)) {
-            writeFast(src, len);
-            return;
-        }
-        writeSlow(src, len);
-    }
-};
-
-} // namespace search
-- 
cgit v1.2.3