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46 lines
1.5 KiB
C++
46 lines
1.5 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim:set et cin ts=4 sw=2 sts=2: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef ContentRange_h__
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#define ContentRange_h__
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#include "mozilla/Maybe.h"
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#include "nsString.h"
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#include "nsISupportsImpl.h"
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// nsIBaseChannel subclasses may support range headers when accessed via
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// Fetch or XMLHTTPRequest, even if they are not HTTP assets and so do not
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// normally have access to headers (such as the blob URLs). The ContentRange
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// class helps to encapsulate much of the common logic involved in parsing,
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// storing, validating, and writing out Content-Range headers.
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namespace mozilla::net {
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class ContentRange {
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private:
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~ContentRange() = default;
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uint64_t mStart{0};
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uint64_t mEnd{0};
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uint64_t mSize{0};
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public:
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uint64_t Start() const { return mStart; }
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uint64_t End() const { return mEnd; }
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uint64_t Size() const { return mSize; }
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bool IsValid() const { return mStart < mSize; }
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ContentRange(uint64_t aStart, uint64_t aEnd, uint64_t aSize)
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: mStart(aStart), mEnd(aEnd), mSize(aSize) {}
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ContentRange(const nsACString& aRangeHeader, uint64_t aSize);
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void AsHeader(nsACString& aOutString) const;
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NS_INLINE_DECL_REFCOUNTING(ContentRange)
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};
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} // namespace mozilla::net
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#endif // ContentRange_h__
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