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Diffstat (limited to 'src/leveldb/table/table_builder.cc')
-rw-r--r--src/leveldb/table/table_builder.cc61
1 files changed, 28 insertions, 33 deletions
diff --git a/src/leveldb/table/table_builder.cc b/src/leveldb/table/table_builder.cc
index 62002c84f2..278febf94f 100644
--- a/src/leveldb/table/table_builder.cc
+++ b/src/leveldb/table/table_builder.cc
@@ -5,6 +5,7 @@
#include "leveldb/table_builder.h"
#include <assert.h>
+
#include "leveldb/comparator.h"
#include "leveldb/env.h"
#include "leveldb/filter_policy.h"
@@ -18,6 +19,22 @@
namespace leveldb {
struct TableBuilder::Rep {
+ Rep(const Options& opt, WritableFile* f)
+ : options(opt),
+ index_block_options(opt),
+ file(f),
+ offset(0),
+ data_block(&options),
+ index_block(&index_block_options),
+ num_entries(0),
+ closed(false),
+ filter_block(opt.filter_policy == nullptr
+ ? nullptr
+ : new FilterBlockBuilder(opt.filter_policy)),
+ pending_index_entry(false) {
+ index_block_options.block_restart_interval = 1;
+ }
+
Options options;
Options index_block_options;
WritableFile* file;
@@ -27,7 +44,7 @@ struct TableBuilder::Rep {
BlockBuilder index_block;
std::string last_key;
int64_t num_entries;
- bool closed; // Either Finish() or Abandon() has been called.
+ bool closed; // Either Finish() or Abandon() has been called.
FilterBlockBuilder* filter_block;
// We do not emit the index entry for a block until we have seen the
@@ -43,26 +60,11 @@ struct TableBuilder::Rep {
BlockHandle pending_handle; // Handle to add to index block
std::string compressed_output;
-
- Rep(const Options& opt, WritableFile* f)
- : options(opt),
- index_block_options(opt),
- file(f),
- offset(0),
- data_block(&options),
- index_block(&index_block_options),
- num_entries(0),
- closed(false),
- filter_block(opt.filter_policy == NULL ? NULL
- : new FilterBlockBuilder(opt.filter_policy)),
- pending_index_entry(false) {
- index_block_options.block_restart_interval = 1;
- }
};
TableBuilder::TableBuilder(const Options& options, WritableFile* file)
: rep_(new Rep(options, file)) {
- if (rep_->filter_block != NULL) {
+ if (rep_->filter_block != nullptr) {
rep_->filter_block->StartBlock(0);
}
}
@@ -106,7 +108,7 @@ void TableBuilder::Add(const Slice& key, const Slice& value) {
r->pending_index_entry = false;
}
- if (r->filter_block != NULL) {
+ if (r->filter_block != nullptr) {
r->filter_block->AddKey(key);
}
@@ -131,7 +133,7 @@ void TableBuilder::Flush() {
r->pending_index_entry = true;
r->status = r->file->Flush();
}
- if (r->filter_block != NULL) {
+ if (r->filter_block != nullptr) {
r->filter_block->StartBlock(r->offset);
}
}
@@ -173,8 +175,7 @@ void TableBuilder::WriteBlock(BlockBuilder* block, BlockHandle* handle) {
}
void TableBuilder::WriteRawBlock(const Slice& block_contents,
- CompressionType type,
- BlockHandle* handle) {
+ CompressionType type, BlockHandle* handle) {
Rep* r = rep_;
handle->set_offset(r->offset);
handle->set_size(block_contents.size());
@@ -184,7 +185,7 @@ void TableBuilder::WriteRawBlock(const Slice& block_contents,
trailer[0] = type;
uint32_t crc = crc32c::Value(block_contents.data(), block_contents.size());
crc = crc32c::Extend(crc, trailer, 1); // Extend crc to cover block type
- EncodeFixed32(trailer+1, crc32c::Mask(crc));
+ EncodeFixed32(trailer + 1, crc32c::Mask(crc));
r->status = r->file->Append(Slice(trailer, kBlockTrailerSize));
if (r->status.ok()) {
r->offset += block_contents.size() + kBlockTrailerSize;
@@ -192,9 +193,7 @@ void TableBuilder::WriteRawBlock(const Slice& block_contents,
}
}
-Status TableBuilder::status() const {
- return rep_->status;
-}
+Status TableBuilder::status() const { return rep_->status; }
Status TableBuilder::Finish() {
Rep* r = rep_;
@@ -205,7 +204,7 @@ Status TableBuilder::Finish() {
BlockHandle filter_block_handle, metaindex_block_handle, index_block_handle;
// Write filter block
- if (ok() && r->filter_block != NULL) {
+ if (ok() && r->filter_block != nullptr) {
WriteRawBlock(r->filter_block->Finish(), kNoCompression,
&filter_block_handle);
}
@@ -213,7 +212,7 @@ Status TableBuilder::Finish() {
// Write metaindex block
if (ok()) {
BlockBuilder meta_index_block(&r->options);
- if (r->filter_block != NULL) {
+ if (r->filter_block != nullptr) {
// Add mapping from "filter.Name" to location of filter data
std::string key = "filter.";
key.append(r->options.filter_policy->Name());
@@ -259,12 +258,8 @@ void TableBuilder::Abandon() {
r->closed = true;
}
-uint64_t TableBuilder::NumEntries() const {
- return rep_->num_entries;
-}
+uint64_t TableBuilder::NumEntries() const { return rep_->num_entries; }
-uint64_t TableBuilder::FileSize() const {
- return rep_->offset;
-}
+uint64_t TableBuilder::FileSize() const { return rep_->offset; }
} // namespace leveldb