1 /* This Source Code Form is subject to the terms of the Mozilla Public
2 * License, v. 2.0. If a copy of the MPL was not distributed with this
3 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
5 #include "nsHtml5Portability.h"
8 #include "nsHtml5TreeBuilder.h"
10 #include "mozilla/CheckedInt.h"
12 int32_t nsHtml5Portability::checkedAdd(int32_t a
, int32_t b
) {
13 mozilla::CheckedInt
<int32_t> sum(a
);
15 MOZ_RELEASE_ASSERT(sum
.isValid(),
16 "HTML input too large for signed 32-bit integer.");
20 nsAtom
* nsHtml5Portability::newLocalNameFromBuffer(char16_t
* buf
,
22 nsHtml5AtomTable
* interner
) {
23 NS_ASSERTION(interner
, "Didn't get an atom service.");
24 return interner
->GetAtom(nsDependentSubstring(buf
, buf
+ length
));
27 nsHtml5String
nsHtml5Portability::newStringFromBuffer(
28 char16_t
* buf
, int32_t offset
, int32_t length
,
29 nsHtml5TreeBuilder
* treeBuilder
, bool maybeAtomize
) {
31 return nsHtml5String::EmptyString();
34 return nsHtml5String::FromAtom(
35 NS_AtomizeMainThread(nsDependentSubstring(buf
+ offset
, length
)));
37 return nsHtml5String::FromBuffer(buf
+ offset
, length
, treeBuilder
);
40 nsHtml5String
nsHtml5Portability::newEmptyString() {
41 return nsHtml5String::EmptyString();
44 nsHtml5String
nsHtml5Portability::newStringFromLiteral(const char* literal
) {
45 return nsHtml5String::FromLiteral(literal
);
48 nsHtml5String
nsHtml5Portability::newStringFromString(nsHtml5String string
) {
49 return string
.Clone();
52 jArray
<char16_t
, int32_t> nsHtml5Portability::newCharArrayFromLocal(
55 local
->ToString(temp
);
56 int32_t len
= temp
.Length();
57 jArray
<char16_t
, int32_t> arr
= jArray
<char16_t
, int32_t>::newJArray(len
);
58 memcpy(arr
, temp
.BeginReading(), len
* sizeof(char16_t
));
62 jArray
<char16_t
, int32_t> nsHtml5Portability::newCharArrayFromString(
63 nsHtml5String string
) {
64 MOZ_RELEASE_ASSERT(string
);
65 uint32_t len
= string
.Length();
66 MOZ_RELEASE_ASSERT(len
< INT32_MAX
);
67 jArray
<char16_t
, int32_t> arr
= jArray
<char16_t
, int32_t>::newJArray(len
);
68 string
.CopyToBuffer(arr
);
72 bool nsHtml5Portability::localEqualsBuffer(nsAtom
* local
, char16_t
* buf
,
74 return local
->Equals(buf
, length
);
77 bool nsHtml5Portability::lowerCaseLiteralIsPrefixOfIgnoreAsciiCaseString(
78 const char* lowerCaseLiteral
, nsHtml5String string
) {
79 return string
.LowerCaseStartsWithASCII(lowerCaseLiteral
);
82 bool nsHtml5Portability::lowerCaseLiteralEqualsIgnoreAsciiCaseString(
83 const char* lowerCaseLiteral
, nsHtml5String string
) {
84 return string
.LowerCaseEqualsASCII(lowerCaseLiteral
);
87 bool nsHtml5Portability::literalEqualsString(const char* literal
,
88 nsHtml5String string
) {
89 return string
.EqualsASCII(literal
);
92 bool nsHtml5Portability::stringEqualsString(nsHtml5String one
,
93 nsHtml5String other
) {
94 return one
.Equals(other
);
97 void nsHtml5Portability::initializeStatics() {}
99 void nsHtml5Portability::releaseStatics() {}