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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* 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 "MacStringHelpers.h"
#include "nsObjCExceptions.h"
#include "mozilla/IntegerTypeTraits.h"
#include <limits>
namespace mozilla {
void CopyNSStringToXPCOMString(const NSString* aFrom, nsAString& aTo) {
NS_OBJC_BEGIN_TRY_IGNORE_BLOCK;
if (!aFrom) {
aTo.Truncate();
return;
}
NSUInteger len = [aFrom length];
if (len > std::numeric_limits<nsAString::size_type>::max()) {
aTo.AllocFailed(std::numeric_limits<nsAString::size_type>::max());
}
aTo.SetLength(len);
[aFrom getCharacters:reinterpret_cast<unichar*>(aTo.BeginWriting())
range:NSMakeRange(0, len)];
NS_OBJC_END_TRY_IGNORE_BLOCK;
}
NSString* XPCOMStringToNSString(const nsAString& aFrom) {
if (aFrom.IsEmpty()) {
return [NSString string];
}
return [NSString stringWithCharacters:reinterpret_cast<const unichar*>(
aFrom.BeginReading())
length:aFrom.Length()];
}
NSString* XPCOMStringToNSString(const nsACString& aFrom) {
if (aFrom.IsEmpty()) {
return [NSString string];
}
return [[[NSString alloc] initWithBytes:aFrom.BeginReading()
length:aFrom.Length()
encoding:NSUTF8StringEncoding] autorelease];
}
} // namespace mozilla
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