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
|
// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "extensions/renderer/activity_log_converter_strategy.h"
#include "base/logging.h"
#include "base/values.h"
#include "v8/include/v8.h"
namespace extensions {
namespace {
// Summarize a V8 value. This performs a shallow conversion in all cases, and
// returns only a string with a description of the value (e.g.,
// "[HTMLElement]").
scoped_ptr<base::Value> SummarizeV8Value(v8::Isolate* isolate,
v8::Local<v8::Object> object) {
v8::TryCatch try_catch(isolate);
v8::Isolate::DisallowJavascriptExecutionScope scope(
isolate, v8::Isolate::DisallowJavascriptExecutionScope::THROW_ON_FAILURE);
v8::Local<v8::String> name = v8::String::NewFromUtf8(isolate, "[");
if (object->IsFunction()) {
name =
v8::String::Concat(name, v8::String::NewFromUtf8(isolate, "Function"));
v8::Local<v8::Value> fname =
v8::Local<v8::Function>::Cast(object)->GetName();
if (fname->IsString() && v8::Local<v8::String>::Cast(fname)->Length()) {
name = v8::String::Concat(name, v8::String::NewFromUtf8(isolate, " "));
name = v8::String::Concat(name, v8::Local<v8::String>::Cast(fname));
name = v8::String::Concat(name, v8::String::NewFromUtf8(isolate, "()"));
}
} else {
name = v8::String::Concat(name, object->GetConstructorName());
}
name = v8::String::Concat(name, v8::String::NewFromUtf8(isolate, "]"));
if (try_catch.HasCaught()) {
return scoped_ptr<base::Value>(
new base::StringValue("[JS Execution Exception]"));
}
return scoped_ptr<base::Value>(
new base::StringValue(std::string(*v8::String::Utf8Value(name))));
}
} // namespace
ActivityLogConverterStrategy::ActivityLogConverterStrategy() {}
ActivityLogConverterStrategy::~ActivityLogConverterStrategy() {}
bool ActivityLogConverterStrategy::FromV8Object(
v8::Local<v8::Object> value,
base::Value** out,
v8::Isolate* isolate,
const FromV8ValueCallback& callback) const {
return FromV8Internal(value, out, isolate, callback);
}
bool ActivityLogConverterStrategy::FromV8Array(
v8::Local<v8::Array> value,
base::Value** out,
v8::Isolate* isolate,
const FromV8ValueCallback& callback) const {
return FromV8Internal(value, out, isolate, callback);
}
bool ActivityLogConverterStrategy::FromV8Internal(
v8::Local<v8::Object> value,
base::Value** out,
v8::Isolate* isolate,
const FromV8ValueCallback& callback) const {
scoped_ptr<base::Value> parsed_value;
parsed_value = SummarizeV8Value(isolate, value);
*out = parsed_value.release();
return true;
}
} // namespace extensions
|
