| Index: third_party/ijar/mapped_file.h
|
| diff --git a/third_party/ijar/mapped_file.h b/third_party/ijar/mapped_file.h
|
| new file mode 100644
|
| index 0000000000000000000000000000000000000000..6db0673bae4329d72994e666a10fc9a276708c62
|
| --- /dev/null
|
| +++ b/third_party/ijar/mapped_file.h
|
| @@ -0,0 +1,82 @@
|
| +// Copyright 2015 The Bazel Authors. All rights reserved.
|
| +//
|
| +// Licensed under the Apache License, Version 2.0 (the "License");
|
| +// you may not use this file except in compliance with the License.
|
| +// You may obtain a copy of the License at
|
| +//
|
| +// http://www.apache.org/licenses/LICENSE-2.0
|
| +//
|
| +// Unless required by applicable law or agreed to in writing, software
|
| +// distributed under the License is distributed on an "AS IS" BASIS,
|
| +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
| +// See the License for the specific language governing permissions and
|
| +// limitations under the License.
|
| +
|
| +#ifndef INCLUDED_THIRD_PARTY_IJAR_MAPPED_FILE_H
|
| +#define INCLUDED_THIRD_PARTY_IJAR_MAPPED_FILE_H
|
| +
|
| +#include "third_party/ijar/common.h"
|
| +
|
| +namespace devtools_ijar {
|
| +
|
| +struct MappedInputFileImpl;
|
| +struct MappedOutputFileImpl;
|
| +
|
| +// A memory mapped input file.
|
| +class MappedInputFile {
|
| + private:
|
| + MappedInputFileImpl *impl_;
|
| +
|
| + protected:
|
| + const char* errmsg_;
|
| + bool opened_;
|
| + u1* buffer_;
|
| + size_t length_;
|
| +
|
| + public:
|
| + MappedInputFile(const char* name);
|
| + virtual ~MappedInputFile();
|
| +
|
| + // If opening the file succeeded or not.
|
| + bool Opened() const { return opened_; }
|
| +
|
| + // Description of the last error that happened.
|
| + const char* Error() const { return errmsg_; }
|
| +
|
| + // The mapped contents of the file.
|
| + u1* Buffer() const { return buffer_ ; }
|
| +
|
| + // The length of the file.
|
| + size_t Length() const { return length_; }
|
| +
|
| + // Unmap a given number of bytes from the beginning of the file.
|
| + void Discard(size_t bytes);
|
| + int Close();
|
| +};
|
| +
|
| +class MappedOutputFile {
|
| + private:
|
| + MappedOutputFileImpl *impl_;
|
| +
|
| + protected:
|
| + const char* errmsg_;
|
| + bool opened_;
|
| + u1* buffer_;
|
| +
|
| + public:
|
| + MappedOutputFile(const char* name, u8 estimated_size);
|
| + virtual ~MappedOutputFile();
|
| +
|
| + // If opening the file succeeded or not.
|
| + bool Opened() const { return opened_; }
|
| +
|
| + // Description of the last error that happened.
|
| + const char* Error() const { return errmsg_; }
|
| +
|
| + // The mapped contents of the file.
|
| + u1* Buffer() const { return buffer_; }
|
| + int Close(int size);
|
| +};
|
| +
|
| +} // namespace devtools_ijar
|
| +#endif
|
|
|