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1 // Copyright 2015 The Chromium Authors. All rights reserved. | 1 // Copyright 2015 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "core/streams/ReadableStreamOperations.h" | 5 #include "core/streams/ReadableStreamOperations.h" |
6 | 6 |
7 #include "bindings/core/v8/ExceptionState.h" | 7 #include "bindings/core/v8/ExceptionState.h" |
8 #include "bindings/core/v8/ToV8ForCore.h" | 8 #include "bindings/core/v8/ToV8ForCore.h" |
9 #include "bindings/core/v8/V8ScriptRunner.h" | 9 #include "bindings/core/v8/V8ScriptRunner.h" |
10 #include "core/streams/UnderlyingSourceBase.h" | 10 #include "core/streams/UnderlyingSourceBase.h" |
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37 v8::Number::New(script_state->GetIsolate(), high_water_mark)}; | 37 v8::Number::New(script_state->GetIsolate(), high_water_mark)}; |
38 return ScriptValue( | 38 return ScriptValue( |
39 script_state, | 39 script_state, |
40 V8ScriptRunner::CallExtraOrCrash( | 40 V8ScriptRunner::CallExtraOrCrash( |
41 script_state, "createBuiltInCountQueuingStrategy", args)); | 41 script_state, "createBuiltInCountQueuingStrategy", args)); |
42 } | 42 } |
43 | 43 |
44 ScriptValue ReadableStreamOperations::GetReader(ScriptState* script_state, | 44 ScriptValue ReadableStreamOperations::GetReader(ScriptState* script_state, |
45 ScriptValue stream, | 45 ScriptValue stream, |
46 ExceptionState& es) { | 46 ExceptionState& es) { |
47 ASSERT(IsReadableStream(script_state, stream)); | 47 DCHECK(IsReadableStream(script_state, stream)); |
48 | 48 |
49 v8::TryCatch block(script_state->GetIsolate()); | 49 v8::TryCatch block(script_state->GetIsolate()); |
50 v8::Local<v8::Value> args[] = {stream.V8Value()}; | 50 v8::Local<v8::Value> args[] = {stream.V8Value()}; |
51 ScriptValue result( | 51 ScriptValue result( |
52 script_state, | 52 script_state, |
53 V8ScriptRunner::CallExtra(script_state, | 53 V8ScriptRunner::CallExtra(script_state, |
54 "AcquireReadableStreamDefaultReader", args)); | 54 "AcquireReadableStreamDefaultReader", args)); |
55 if (block.HasCaught()) | 55 if (block.HasCaught()) |
56 es.RethrowV8Exception(block.Exception()); | 56 es.RethrowV8Exception(block.Exception()); |
57 return result; | 57 return result; |
58 } | 58 } |
59 | 59 |
60 bool ReadableStreamOperations::IsReadableStream(ScriptState* script_state, | 60 bool ReadableStreamOperations::IsReadableStream(ScriptState* script_state, |
61 ScriptValue value) { | 61 ScriptValue value) { |
62 DCHECK(!value.IsEmpty()); | 62 DCHECK(!value.IsEmpty()); |
63 | 63 |
64 if (!value.IsObject()) | 64 if (!value.IsObject()) |
65 return false; | 65 return false; |
66 | 66 |
67 v8::Local<v8::Value> args[] = {value.V8Value()}; | 67 v8::Local<v8::Value> args[] = {value.V8Value()}; |
68 return V8ScriptRunner::CallExtraOrCrash(script_state, "IsReadableStream", | 68 return V8ScriptRunner::CallExtraOrCrash(script_state, "IsReadableStream", |
69 args) | 69 args) |
70 ->ToBoolean() | 70 ->ToBoolean() |
71 ->Value(); | 71 ->Value(); |
72 } | 72 } |
73 | 73 |
74 bool ReadableStreamOperations::IsDisturbed(ScriptState* script_state, | 74 bool ReadableStreamOperations::IsDisturbed(ScriptState* script_state, |
75 ScriptValue stream) { | 75 ScriptValue stream) { |
76 ASSERT(IsReadableStream(script_state, stream)); | 76 DCHECK(IsReadableStream(script_state, stream)); |
77 | 77 |
78 v8::Local<v8::Value> args[] = {stream.V8Value()}; | 78 v8::Local<v8::Value> args[] = {stream.V8Value()}; |
79 return V8ScriptRunner::CallExtraOrCrash(script_state, | 79 return V8ScriptRunner::CallExtraOrCrash(script_state, |
80 "IsReadableStreamDisturbed", args) | 80 "IsReadableStreamDisturbed", args) |
81 ->ToBoolean() | 81 ->ToBoolean() |
82 ->Value(); | 82 ->Value(); |
83 } | 83 } |
84 | 84 |
85 bool ReadableStreamOperations::IsLocked(ScriptState* script_state, | 85 bool ReadableStreamOperations::IsLocked(ScriptState* script_state, |
86 ScriptValue stream) { | 86 ScriptValue stream) { |
87 ASSERT(IsReadableStream(script_state, stream)); | 87 DCHECK(IsReadableStream(script_state, stream)); |
88 | 88 |
89 v8::Local<v8::Value> args[] = {stream.V8Value()}; | 89 v8::Local<v8::Value> args[] = {stream.V8Value()}; |
90 return V8ScriptRunner::CallExtraOrCrash(script_state, | 90 return V8ScriptRunner::CallExtraOrCrash(script_state, |
91 "IsReadableStreamLocked", args) | 91 "IsReadableStreamLocked", args) |
92 ->ToBoolean() | 92 ->ToBoolean() |
93 ->Value(); | 93 ->Value(); |
94 } | 94 } |
95 | 95 |
96 bool ReadableStreamOperations::IsReadable(ScriptState* script_state, | 96 bool ReadableStreamOperations::IsReadable(ScriptState* script_state, |
97 ScriptValue stream) { | 97 ScriptValue stream) { |
98 ASSERT(IsReadableStream(script_state, stream)); | 98 DCHECK(IsReadableStream(script_state, stream)); |
99 | 99 |
100 v8::Local<v8::Value> args[] = {stream.V8Value()}; | 100 v8::Local<v8::Value> args[] = {stream.V8Value()}; |
101 return V8ScriptRunner::CallExtraOrCrash(script_state, | 101 return V8ScriptRunner::CallExtraOrCrash(script_state, |
102 "IsReadableStreamReadable", args) | 102 "IsReadableStreamReadable", args) |
103 ->ToBoolean() | 103 ->ToBoolean() |
104 ->Value(); | 104 ->Value(); |
105 } | 105 } |
106 | 106 |
107 bool ReadableStreamOperations::IsClosed(ScriptState* script_state, | 107 bool ReadableStreamOperations::IsClosed(ScriptState* script_state, |
108 ScriptValue stream) { | 108 ScriptValue stream) { |
109 ASSERT(IsReadableStream(script_state, stream)); | 109 DCHECK(IsReadableStream(script_state, stream)); |
110 | 110 |
111 v8::Local<v8::Value> args[] = {stream.V8Value()}; | 111 v8::Local<v8::Value> args[] = {stream.V8Value()}; |
112 return V8ScriptRunner::CallExtraOrCrash(script_state, | 112 return V8ScriptRunner::CallExtraOrCrash(script_state, |
113 "IsReadableStreamClosed", args) | 113 "IsReadableStreamClosed", args) |
114 ->ToBoolean() | 114 ->ToBoolean() |
115 ->Value(); | 115 ->Value(); |
116 } | 116 } |
117 | 117 |
118 bool ReadableStreamOperations::IsErrored(ScriptState* script_state, | 118 bool ReadableStreamOperations::IsErrored(ScriptState* script_state, |
119 ScriptValue stream) { | 119 ScriptValue stream) { |
120 ASSERT(IsReadableStream(script_state, stream)); | 120 DCHECK(IsReadableStream(script_state, stream)); |
121 | 121 |
122 v8::Local<v8::Value> args[] = {stream.V8Value()}; | 122 v8::Local<v8::Value> args[] = {stream.V8Value()}; |
123 return V8ScriptRunner::CallExtraOrCrash(script_state, | 123 return V8ScriptRunner::CallExtraOrCrash(script_state, |
124 "IsReadableStreamErrored", args) | 124 "IsReadableStreamErrored", args) |
125 ->ToBoolean() | 125 ->ToBoolean() |
126 ->Value(); | 126 ->Value(); |
127 } | 127 } |
128 | 128 |
129 bool ReadableStreamOperations::IsReadableStreamDefaultReader( | 129 bool ReadableStreamOperations::IsReadableStreamDefaultReader( |
130 ScriptState* script_state, | 130 ScriptState* script_state, |
131 ScriptValue value) { | 131 ScriptValue value) { |
132 DCHECK(!value.IsEmpty()); | 132 DCHECK(!value.IsEmpty()); |
133 | 133 |
134 if (!value.IsObject()) | 134 if (!value.IsObject()) |
135 return false; | 135 return false; |
136 | 136 |
137 v8::Local<v8::Value> args[] = {value.V8Value()}; | 137 v8::Local<v8::Value> args[] = {value.V8Value()}; |
138 return V8ScriptRunner::CallExtraOrCrash(script_state, | 138 return V8ScriptRunner::CallExtraOrCrash(script_state, |
139 "IsReadableStreamDefaultReader", args) | 139 "IsReadableStreamDefaultReader", args) |
140 ->ToBoolean() | 140 ->ToBoolean() |
141 ->Value(); | 141 ->Value(); |
142 } | 142 } |
143 | 143 |
144 ScriptPromise ReadableStreamOperations::DefaultReaderRead( | 144 ScriptPromise ReadableStreamOperations::DefaultReaderRead( |
145 ScriptState* script_state, | 145 ScriptState* script_state, |
146 ScriptValue reader) { | 146 ScriptValue reader) { |
147 ASSERT(IsReadableStreamDefaultReader(script_state, reader)); | 147 DCHECK(IsReadableStreamDefaultReader(script_state, reader)); |
148 | 148 |
149 v8::Local<v8::Value> args[] = {reader.V8Value()}; | 149 v8::Local<v8::Value> args[] = {reader.V8Value()}; |
150 return ScriptPromise::Cast( | 150 return ScriptPromise::Cast( |
151 script_state, V8ScriptRunner::CallExtraOrCrash( | 151 script_state, V8ScriptRunner::CallExtraOrCrash( |
152 script_state, "ReadableStreamDefaultReaderRead", args)); | 152 script_state, "ReadableStreamDefaultReaderRead", args)); |
153 } | 153 } |
154 | 154 |
155 void ReadableStreamOperations::Tee(ScriptState* script_state, | 155 void ReadableStreamOperations::Tee(ScriptState* script_state, |
156 ScriptValue stream, | 156 ScriptValue stream, |
157 ScriptValue* new_stream1, | 157 ScriptValue* new_stream1, |
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173 branches->Get(script_state->GetContext(), 0).ToLocalChecked()); | 173 branches->Get(script_state->GetContext(), 0).ToLocalChecked()); |
174 *new_stream2 = ScriptValue( | 174 *new_stream2 = ScriptValue( |
175 script_state, | 175 script_state, |
176 branches->Get(script_state->GetContext(), 1).ToLocalChecked()); | 176 branches->Get(script_state->GetContext(), 1).ToLocalChecked()); |
177 | 177 |
178 DCHECK(IsReadableStream(script_state, *new_stream1)); | 178 DCHECK(IsReadableStream(script_state, *new_stream1)); |
179 DCHECK(IsReadableStream(script_state, *new_stream2)); | 179 DCHECK(IsReadableStream(script_state, *new_stream2)); |
180 } | 180 } |
181 | 181 |
182 } // namespace blink | 182 } // namespace blink |
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