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
110
111
112
113
114
115
116
117
118
119
120
|
/*
* Copyright (C) 1999-2001 Harri Porten (porten@kde.org)
* Copyright (C) 2004-2011, 2013, 2016 Apple Inc. All rights reserved.
* Copyright (C) 2007 Samuel Weinig <sam@webkit.org>
* Copyright (C) 2013 Michael Pruett <michael@68k.org>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "config.h"
#include "JSDOMConvertStrings.h"
#include "JSDOMExceptionHandling.h"
#include <JavaScriptCore/HeapInlines.h>
#include <JavaScriptCore/JSCJSValueInlines.h>
#include <wtf/text/StringBuilder.h>
#include <wtf/unicode/CharacterNames.h>
namespace WebCore {
using namespace JSC;
String identifierToString(JSGlobalObject& lexicalGlobalObject, const Identifier& identifier)
{
if (UNLIKELY(identifier.isSymbol())) {
auto scope = DECLARE_THROW_SCOPE(lexicalGlobalObject.vm());
throwTypeError(&lexicalGlobalObject, scope, SymbolCoercionError);
return {};
}
return identifier.string();
}
static inline bool throwIfInvalidByteString(JSGlobalObject& lexicalGlobalObject, JSC::ThrowScope& scope, const String& string)
{
if (UNLIKELY(!string.isAllLatin1())) {
throwTypeError(&lexicalGlobalObject, scope);
return true;
}
return false;
}
String identifierToByteString(JSGlobalObject& lexicalGlobalObject, const Identifier& identifier)
{
VM& vm = lexicalGlobalObject.vm();
auto scope = DECLARE_THROW_SCOPE(vm);
auto string = identifierToString(lexicalGlobalObject, identifier);
RETURN_IF_EXCEPTION(scope, {});
if (UNLIKELY(throwIfInvalidByteString(lexicalGlobalObject, scope, string)))
return {};
return string;
}
String valueToByteString(JSGlobalObject& lexicalGlobalObject, JSValue value)
{
VM& vm = lexicalGlobalObject.vm();
auto scope = DECLARE_THROW_SCOPE(vm);
auto string = value.toWTFString(&lexicalGlobalObject);
RETURN_IF_EXCEPTION(scope, {});
if (UNLIKELY(throwIfInvalidByteString(lexicalGlobalObject, scope, string)))
return {};
return string;
}
AtomString valueToByteAtomString(JSC::JSGlobalObject& lexicalGlobalObject, JSC::JSValue value)
{
VM& vm = lexicalGlobalObject.vm();
auto scope = DECLARE_THROW_SCOPE(vm);
auto string = value.toString(&lexicalGlobalObject)->toAtomString(&lexicalGlobalObject);
RETURN_IF_EXCEPTION(scope, {});
if (UNLIKELY(throwIfInvalidByteString(lexicalGlobalObject, scope, string.string())))
return nullAtom();
return string;
}
String identifierToUSVString(JSGlobalObject& lexicalGlobalObject, const Identifier& identifier)
{
return replaceUnpairedSurrogatesWithReplacementCharacter(identifierToString(lexicalGlobalObject, identifier));
}
String valueToUSVString(JSGlobalObject& lexicalGlobalObject, JSValue value)
{
VM& vm = lexicalGlobalObject.vm();
auto scope = DECLARE_THROW_SCOPE(vm);
auto string = value.toWTFString(&lexicalGlobalObject);
RETURN_IF_EXCEPTION(scope, {});
return replaceUnpairedSurrogatesWithReplacementCharacter(WTFMove(string));
}
AtomString valueToUSVAtomString(JSGlobalObject& lexicalGlobalObject, JSValue value)
{
VM& vm = lexicalGlobalObject.vm();
auto scope = DECLARE_THROW_SCOPE(vm);
auto string = value.toString(&lexicalGlobalObject)->toAtomString(&lexicalGlobalObject);
RETURN_IF_EXCEPTION(scope, {});
return replaceUnpairedSurrogatesWithReplacementCharacter(WTFMove(string));
}
} // namespace WebCore
|
