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2da84b8ac4
There are only 3 places where nsMemory.h is still needed (image/RasterImage.cpp, gfx/thebes/gfxFT2FontList.cpp, and nsMemory.cpp). Remove the rest. Differential Revision: https://phabricator.services.mozilla.com/D158213
90 lines
3.4 KiB
C
90 lines
3.4 KiB
C
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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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 nsStringStream_h__
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#define nsStringStream_h__
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#include "nsIStringStream.h"
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#include "nsString.h"
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#include "nsTArray.h"
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/**
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* Implements:
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* nsIStringInputStream
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* nsIInputStream
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* nsISeekableStream
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* nsITellableStream
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* nsISupportsCString
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*/
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#define NS_STRINGINPUTSTREAM_CONTRACTID "@mozilla.org/io/string-input-stream;1"
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#define NS_STRINGINPUTSTREAM_CID \
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{ /* 0abb0835-5000-4790-af28-61b3ba17c295 */ \
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0x0abb0835, 0x5000, 0x4790, { \
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0xaf, 0x28, 0x61, 0xb3, 0xba, 0x17, 0xc2, 0x95 \
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} \
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}
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/**
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* An enumeration type used to represent a method of assignment.
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*/
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enum nsAssignmentType {
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NS_ASSIGNMENT_COPY, // copy by value
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NS_ASSIGNMENT_DEPEND, // copy by reference
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NS_ASSIGNMENT_ADOPT // copy by reference (take ownership of resource)
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};
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/**
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* Factory method to get an nsInputStream from a byte buffer. Result will
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* implement nsIStringInputStream, nsITellableStream and nsISeekableStream.
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*
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* If aAssignment is NS_ASSIGNMENT_COPY, then the resulting stream holds a copy
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* of the given buffer (aStringToRead), and the caller is free to discard
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* aStringToRead after this function returns.
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*
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* If aAssignment is NS_ASSIGNMENT_DEPEND, then the resulting stream refers
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* directly to the given buffer (aStringToRead), so the caller must ensure that
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* the buffer remains valid for the lifetime of the stream object. Use with
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* care!!
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*
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* If aAssignment is NS_ASSIGNMENT_ADOPT, then the resulting stream refers
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* directly to the given buffer (aStringToRead) and will free aStringToRead
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* once the stream is closed.
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*/
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extern nsresult NS_NewByteInputStream(nsIInputStream** aStreamResult,
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mozilla::Span<const char> aStringToRead,
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nsAssignmentType aAssignment);
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/**
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* Factory method to get an nsIInputStream from an nsTArray representing a byte
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* buffer. This will take ownership of the data and empty out the nsTArray.
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*
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* Result will implement nsIStringInputStream, nsITellableStream and
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* nsISeekableStream.
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*/
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extern nsresult NS_NewByteInputStream(nsIInputStream** aStreamResult,
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nsTArray<uint8_t>&& aArray);
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/**
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* Factory method to get an nsIInputStream from an arbitrary StreamBufferSource.
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* This will take a strong reference to the source.
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*
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* Result will implement nsIStringInputStream, nsITellableStream and
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* nsISeekableStream.
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*/
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extern nsresult NS_NewByteInputStream(nsIInputStream** aStreamResult,
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mozilla::StreamBufferSource* aSource);
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/**
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* Factory method to get an nsInputStream from an nsACString. Result will
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* implement nsIStringInputStream, nsTellableStream and nsISeekableStream.
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*/
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extern nsresult NS_NewCStringInputStream(nsIInputStream** aStreamResult,
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const nsACString& aStringToRead);
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extern nsresult NS_NewCStringInputStream(nsIInputStream** aStreamResult,
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nsCString&& aStringToRead);
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#endif // nsStringStream_h__
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