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69 lines
2.0 KiB
C++
69 lines
2.0 KiB
C++
// Copyright (c) 2012 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef NET_BASE_UPLOAD_BYTES_ELEMENT_READER_H_
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#define NET_BASE_UPLOAD_BYTES_ELEMENT_READER_H_
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#include <stdint.h>
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#include <string>
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#include <vector>
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#include "base/compiler_specific.h"
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#include "base/macros.h"
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#include "net/base/net_export.h"
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#include "net/base/upload_element_reader.h"
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namespace net {
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// An UploadElementReader implementation for bytes. The caller owns |bytes|,
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// and is responsible for ensuring it outlives the UploadBytesElementReader.
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class NET_EXPORT UploadBytesElementReader : public UploadElementReader {
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public:
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UploadBytesElementReader(const char* bytes, uint64_t length);
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~UploadBytesElementReader() override;
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const char* bytes() const { return bytes_; }
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uint64_t length() const { return length_; }
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// UploadElementReader overrides:
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const UploadBytesElementReader* AsBytesReader() const override;
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int Init(CompletionOnceCallback callback) override;
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uint64_t GetContentLength() const override;
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uint64_t BytesRemaining() const override;
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bool IsInMemory() const override;
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int Read(IOBuffer* buf,
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int buf_length,
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CompletionOnceCallback callback) override;
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private:
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const char* const bytes_;
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const uint64_t length_;
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uint64_t offset_;
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DISALLOW_COPY_AND_ASSIGN(UploadBytesElementReader);
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};
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// A subclass of UplodBytesElementReader which owns the data given as a vector.
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class NET_EXPORT UploadOwnedBytesElementReader
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: public UploadBytesElementReader {
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public:
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// |data| is cleared by this ctor.
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explicit UploadOwnedBytesElementReader(std::vector<char>* data);
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~UploadOwnedBytesElementReader() override;
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// Creates UploadOwnedBytesElementReader with a string.
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static UploadOwnedBytesElementReader* CreateWithString(
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const std::string& string);
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private:
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std::vector<char> data_;
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DISALLOW_COPY_AND_ASSIGN(UploadOwnedBytesElementReader);
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};
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} // namespace net
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#endif // NET_BASE_UPLOAD_BYTES_ELEMENT_READER_H_
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