mirror of
https://github.com/kidfromjupiter/nearby.git
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Alexey Polyudov
c3a89bb894
Signed-off-by: Alexey Polyudov <apolyudov@google.com> Change-Id: I8ca8ef4727e289f3c6ea62ad73008ad718096e5d
45 lines
1.5 KiB
C++
45 lines
1.5 KiB
C++
// Copyright 2020 Google LLC
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// https://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#ifndef PLATFORM_API_INPUT_FILE_H_
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#define PLATFORM_API_INPUT_FILE_H_
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#include "platform/byte_array.h"
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#include "platform/exception.h"
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#include "platform/ptr.h"
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namespace location {
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namespace nearby {
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// An InputFile represents a readable file on the system.
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class InputFile {
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public:
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virtual ~InputFile() {}
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// The returned ConstPtr will be owned (and destroyed) by the caller.
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// When we have exhausted reading the file and no bytes remain, read will
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// always return an empty ConstPtr for which isNull() is true.
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virtual ExceptionOr<ConstPtr<ByteArray>> read(
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std::int64_t size) = 0; // throws Exception::IO when the file cannot be
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// opened or read.
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virtual std::string getFilePath() const = 0;
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virtual std::int64_t getTotalSize() const = 0;
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virtual void close() = 0;
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};
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} // namespace nearby
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} // namespace location
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#endif // PLATFORM_API_INPUT_FILE_H_
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