mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-10-30 13:45:27 +00:00
47 lines
1.4 KiB
C++
47 lines
1.4 KiB
C++
/* This Source Code Form is subject to the terms of the Mozilla Public
|
|
* License, v. 2.0. If a copy of the MPL was not distributed with this
|
|
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
|
|
|
|
#include "mozilla/dom/EncodingUtils.h"
|
|
|
|
#include "mozilla/Util.h" // ArrayLength
|
|
#include "nsUConvPropertySearch.h"
|
|
|
|
namespace mozilla {
|
|
namespace dom {
|
|
|
|
static const char* labelsEncodings[][3] = {
|
|
#include "labelsencodings.properties.h"
|
|
};
|
|
|
|
bool
|
|
EncodingUtils::FindEncodingForLabel(const nsACString& aLabel,
|
|
nsACString& aOutEncoding)
|
|
{
|
|
// Save aLabel first because it may refer the same string as aOutEncoding.
|
|
nsCString label(aLabel);
|
|
|
|
EncodingUtils::TrimSpaceCharacters(label);
|
|
if (label.IsEmpty()) {
|
|
aOutEncoding.Truncate();
|
|
return false;
|
|
}
|
|
|
|
ToLowerCase(label);
|
|
return NS_SUCCEEDED(nsUConvPropertySearch::SearchPropertyValue(
|
|
labelsEncodings, ArrayLength(labelsEncodings), label, aOutEncoding));
|
|
}
|
|
|
|
bool
|
|
EncodingUtils::IsAsciiCompatible(const nsACString& aPreferredName)
|
|
{
|
|
return !(aPreferredName.LowerCaseEqualsLiteral("utf-16") ||
|
|
aPreferredName.LowerCaseEqualsLiteral("utf-16be") ||
|
|
aPreferredName.LowerCaseEqualsLiteral("utf-16le") ||
|
|
aPreferredName.LowerCaseEqualsLiteral("utf-7") ||
|
|
aPreferredName.LowerCaseEqualsLiteral("x-imap4-modified-utf7"));
|
|
}
|
|
|
|
} // namespace dom
|
|
} // namespace mozilla
|