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Alexey Polyudov
d455926d89
Signed-off-by: Alexey Polyudov <apolyudov@google.com> Change-Id: I0023ac6e40456fc4a8169c3173bcbff3b5ccc476
31 lines
922 B
C++
31 lines
922 B
C++
#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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