summaryrefslogtreecommitdiffstats
path: root/xpcom/io/nsIStringStream.idl
diff options
context:
space:
mode:
authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 19:33:14 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 19:33:14 +0000
commit36d22d82aa202bb199967e9512281e9a53db42c9 (patch)
tree105e8c98ddea1c1e4784a60a5a6410fa416be2de /xpcom/io/nsIStringStream.idl
parentInitial commit. (diff)
downloadfirefox-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.idl92
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);
+};