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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
commit | 36d22d82aa202bb199967e9512281e9a53db42c9 (patch) | |
tree | 105e8c98ddea1c1e4784a60a5a6410fa416be2de /xpcom/io/nsIStringStream.idl | |
parent | Initial commit. (diff) | |
download | firefox-esr-upstream.tar.xz firefox-esr-upstream.zip |
Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | xpcom/io/nsIStringStream.idl | 92 |
1 files changed, 92 insertions, 0 deletions
diff --git a/xpcom/io/nsIStringStream.idl b/xpcom/io/nsIStringStream.idl new file mode 100644 index 0000000000..3e084cbe7f --- /dev/null +++ b/xpcom/io/nsIStringStream.idl @@ -0,0 +1,92 @@ +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +#include "nsIInputStream.idl" + +%{C++ +#include "mozilla/MemoryReporting.h" + +namespace mozilla { +class StreamBufferSource; +} // namespace mozilla +%} + +native MallocSizeOf(mozilla::MallocSizeOf); +[ptr] native StreamBufferSource(mozilla::StreamBufferSource); + +/** + * nsIStringInputStream + * + * Provides scriptable and specialized C++-only methods for initializing a + * nsIInputStream implementation with a simple character array. + */ +[scriptable, builtinclass, uuid(450cd2d4-f0fd-424d-b365-b1251f80fd53)] +interface nsIStringInputStream : nsIInputStream +{ + /** + * SetData - assign data to the input stream (copied on assignment). + * + * @param data - stream data + * @param dataLen - stream data length (-1 if length should be computed) + * + * NOTE: C++ code should consider using AdoptData or ShareData to avoid + * making an extra copy of the stream data. + * + * NOTE: For JS callers, the given data must not contain null characters + * (other than a null terminator) because a null character in the middle of + * the data string will be seen as a terminator when the data is converted + * from a JS string to a C++ character array. + */ + void setData(in string data, in long dataLen); + + /** + * SetUTF8Data - encode input data to UTF-8 and assign it to the input + * stream. + * + * @param data - stream data + * + * NOTE: This method is meant to be used by JS callers, + */ + void setUTF8Data(in AUTF8String data); + + /** + * NOTE: the following methods are designed to give C++ code added control + * over the ownership and lifetime of the stream data. Use with care :-) + */ + + /** + * AdoptData - assign data to the input stream. the input stream takes + * ownership of the given data buffer and will free it when + * the input stream is destroyed. + * + * @param data - stream data + * @param dataLen - stream data length (-1 if length should be computed) + */ + [noscript] void adoptData(in charPtr data, in long dataLen); + + /** + * ShareData - assign data to the input stream. the input stream references + * the given data buffer until the input stream is destroyed. the given + * data buffer must outlive the input stream. + * + * @param data - stream data + * @param dataLen - stream data length (-1 if length should be computed) + */ + [noscript] void shareData(in string data, in long dataLen); + + /** + * SetDataSource - assign data to the input stream. the input stream holds + * a strong reference to the given data buffer until it is destroyed. + * + * @param source - stream data source + */ + [noscript] void setDataSource(in StreamBufferSource source); + + [noscript, notxpcom] + size_t SizeOfIncludingThisIfUnshared(in MallocSizeOf aMallocSizeOf); + + [noscript, notxpcom] + size_t SizeOfIncludingThisEvenIfShared(in MallocSizeOf aMallocSizeOf); +}; |