53 lines
1.6 KiB
Text
53 lines
1.6 KiB
Text
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "MacStringHelpers.h"
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#include "nsObjCExceptions.h"
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#include "mozilla/IntegerTypeTraits.h"
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#include <limits>
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namespace mozilla {
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void CopyNSStringToXPCOMString(const NSString* aFrom, nsAString& aTo) {
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NS_OBJC_BEGIN_TRY_IGNORE_BLOCK;
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if (!aFrom) {
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aTo.Truncate();
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return;
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}
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NSUInteger len = [aFrom length];
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if (len > std::numeric_limits<nsAString::size_type>::max()) {
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aTo.AllocFailed(std::numeric_limits<nsAString::size_type>::max());
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}
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aTo.SetLength(len);
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[aFrom getCharacters:reinterpret_cast<unichar*>(aTo.BeginWriting())
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range:NSMakeRange(0, len)];
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NS_OBJC_END_TRY_IGNORE_BLOCK;
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}
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NSString* XPCOMStringToNSString(const nsAString& aFrom) {
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if (aFrom.IsEmpty()) {
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return [NSString string];
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}
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return [NSString stringWithCharacters:reinterpret_cast<const unichar*>(
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aFrom.BeginReading())
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length:aFrom.Length()];
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}
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NSString* XPCOMStringToNSString(const nsACString& aFrom) {
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if (aFrom.IsEmpty()) {
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return [NSString string];
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}
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return [[[NSString alloc] initWithBytes:aFrom.BeginReading()
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length:aFrom.Length()
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encoding:NSUTF8StringEncoding] autorelease];
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}
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} // namespace mozilla
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