// Copyright (c) 2012 The Chromium Authors. All rights reserved. // Use of this source code is governed by a BSD-style license that can be // found in the LICENSE file. #ifndef NET_BASE_UPLOAD_BYTES_ELEMENT_READER_H_ #define NET_BASE_UPLOAD_BYTES_ELEMENT_READER_H_ #include #include #include #include "base/compiler_specific.h" #include "net/base/net_export.h" #include "net/base/upload_element_reader.h" namespace net { // An UploadElementReader implementation for bytes. The caller owns |bytes|, // and is responsible for ensuring it outlives the UploadBytesElementReader. class NET_EXPORT UploadBytesElementReader : public UploadElementReader { public: UploadBytesElementReader(const char* bytes, uint64_t length); UploadBytesElementReader(const UploadBytesElementReader&) = delete; UploadBytesElementReader& operator=(const UploadBytesElementReader&) = delete; ~UploadBytesElementReader() override; const char* bytes() const { return bytes_; } uint64_t length() const { return length_; } // UploadElementReader overrides: const UploadBytesElementReader* AsBytesReader() const override; int Init(CompletionOnceCallback callback) override; uint64_t GetContentLength() const override; uint64_t BytesRemaining() const override; bool IsInMemory() const override; int Read(IOBuffer* buf, int buf_length, CompletionOnceCallback callback) override; private: const char* const bytes_; const uint64_t length_; uint64_t offset_ = 0; }; // A subclass of UplodBytesElementReader which owns the data given as a vector. class NET_EXPORT UploadOwnedBytesElementReader : public UploadBytesElementReader { public: // |data| is cleared by this ctor. explicit UploadOwnedBytesElementReader(std::vector* data); UploadOwnedBytesElementReader(const UploadOwnedBytesElementReader&) = delete; UploadOwnedBytesElementReader& operator=( const UploadOwnedBytesElementReader&) = delete; ~UploadOwnedBytesElementReader() override; // Creates UploadOwnedBytesElementReader with a string. static std::unique_ptr CreateWithString( const std::string& string); private: std::vector data_; }; } // namespace net #endif // NET_BASE_UPLOAD_BYTES_ELEMENT_READER_H_