/
ReadableStream.cpp
109 lines (90 loc) · 4.52 KB
/
ReadableStream.cpp
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
/*
* Copyright (C) 2022 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "config.h"
#include "ReadableStream.h"
#include "JSReadableStream.h"
#include "JSReadableStreamSource.h"
#include "ScriptExecutionContext.h"
namespace WebCore {
ExceptionOr<Ref<ReadableStream>> ReadableStream::create(JSC::JSGlobalObject& globalObject, std::optional<JSC::Strong<JSC::JSObject>>&& underlyingSource, std::optional<JSC::Strong<JSC::JSObject>>&& strategy)
{
JSC::JSValue underlyingSourceValue = JSC::jsUndefined();
if (underlyingSource)
underlyingSourceValue = underlyingSource->get();
JSC::JSValue strategyValue = JSC::jsUndefined();
if (strategy)
strategyValue = strategy->get();
return createFromJSValues(globalObject, underlyingSourceValue, strategyValue);
}
ExceptionOr<Ref<ReadableStream>> ReadableStream::createFromJSValues(JSC::JSGlobalObject& globalObject, JSC::JSValue underlyingSource, JSC::JSValue strategy)
{
auto& jsDOMGlobalObject = *JSC::jsCast<JSDOMGlobalObject*>(&globalObject);
RefPtr protectedContext { jsDOMGlobalObject.scriptExecutionContext() };
auto result = InternalReadableStream::createFromUnderlyingSource(jsDOMGlobalObject, underlyingSource, strategy);
if (result.hasException())
return result.releaseException();
return adoptRef(*new ReadableStream(result.releaseReturnValue()));
}
ExceptionOr<Ref<ReadableStream>> ReadableStream::create(JSDOMGlobalObject& globalObject, Ref<ReadableStreamSource>&& source)
{
return createFromJSValues(globalObject, toJSNewlyCreated(&globalObject, &globalObject, WTFMove(source)), JSC::jsUndefined());
}
Ref<ReadableStream> ReadableStream::create(Ref<InternalReadableStream>&& internalReadableStream)
{
return adoptRef(*new ReadableStream(WTFMove(internalReadableStream)));
}
ReadableStream::ReadableStream(Ref<InternalReadableStream>&& internalReadableStream)
: m_internalReadableStream(WTFMove(internalReadableStream))
{
}
ExceptionOr<Vector<Ref<ReadableStream>>> ReadableStream::tee(bool shouldClone)
{
auto result = m_internalReadableStream->tee(shouldClone);
if (result.hasException())
return result.releaseException();
auto pair = result.releaseReturnValue();
Vector<Ref<ReadableStream>> sequence;
sequence.reserveInitialCapacity(2);
sequence.uncheckedAppend(ReadableStream::create(WTFMove(pair.first)));
sequence.uncheckedAppend(ReadableStream::create(WTFMove(pair.second)));
return sequence;
}
JSC::JSValue JSReadableStream::cancel(JSC::JSGlobalObject& globalObject, JSC::CallFrame& callFrame)
{
return wrapped().internalReadableStream().cancelForBindings(globalObject, callFrame.argument(0));
}
JSC::JSValue JSReadableStream::getReader(JSC::JSGlobalObject& globalObject, JSC::CallFrame& callFrame)
{
return wrapped().internalReadableStream().getReader(globalObject, callFrame.argument(0));
}
JSC::JSValue JSReadableStream::pipeTo(JSC::JSGlobalObject& globalObject, JSC::CallFrame& callFrame)
{
return wrapped().internalReadableStream().pipeTo(globalObject, callFrame.argument(0), callFrame.argument(1));
}
JSC::JSValue JSReadableStream::pipeThrough(JSC::JSGlobalObject& globalObject, JSC::CallFrame& callFrame)
{
return wrapped().internalReadableStream().pipeThrough(globalObject, callFrame.argument(0), callFrame.argument(1));
}
} // namespace WebCore