xpcom/string/src/nsTString.cpp@6474c204b198 (annotated)
xpcom/string/src/nsTString.cpp
Wed, 31 Dec 2014 06:09:35 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Wed, 31 Dec 2014 06:09:35 +0100
- changeset 0
- 6474c204b198
- permissions
- -rw-r--r--
Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.
| michael@0 | 1 | /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ |
| michael@0 | 2 | /* vim:set ts=2 sw=2 sts=2 et cindent: */ |
| michael@0 | 3 | /* This Source Code Form is subject to the terms of the Mozilla Public |
| michael@0 | 4 | * License, v. 2.0. If a copy of the MPL was not distributed with this |
| michael@0 | 5 | * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
| michael@0 | 6 | |
| michael@0 | 7 | nsTAdoptingString_CharT& |
| michael@0 | 8 | nsTAdoptingString_CharT::operator=( const self_type& str ) |
| michael@0 | 9 | { |
| michael@0 | 10 | // This'll violate the constness of this argument, that's just |
| michael@0 | 11 | // the nature of this class... |
| michael@0 | 12 | self_type* mutable_str = const_cast<self_type*>(&str); |
| michael@0 | 13 | |
| michael@0 | 14 | if (str.mFlags & F_OWNED) |
| michael@0 | 15 | { |
| michael@0 | 16 | // We want to do what Adopt() does, but without actually incrementing |
| michael@0 | 17 | // the Adopt count. Note that we can be a little more straightforward |
| michael@0 | 18 | // about this than Adopt() is, because we know that str.mData is |
| michael@0 | 19 | // non-null. Should we be able to assert that str is not void here? |
| michael@0 | 20 | NS_ASSERTION(str.mData, "String with null mData?"); |
| michael@0 | 21 | Finalize(); |
| michael@0 | 22 | mData = str.mData; |
| michael@0 | 23 | mLength = str.mLength; |
| michael@0 | 24 | SetDataFlags(F_TERMINATED | F_OWNED); |
| michael@0 | 25 | |
| michael@0 | 26 | // Make str forget the buffer we just took ownership of. |
| michael@0 | 27 | new (mutable_str) self_type(); |
| michael@0 | 28 | } |
| michael@0 | 29 | else |
| michael@0 | 30 | { |
| michael@0 | 31 | Assign(str); |
| michael@0 | 32 | |
| michael@0 | 33 | mutable_str->Truncate(); |
| michael@0 | 34 | } |
| michael@0 | 35 | |
| michael@0 | 36 | return *this; |
| michael@0 | 37 | } |
| michael@0 | 38 | |
| michael@0 | 39 | void |
| michael@0 | 40 | nsTString_CharT::Rebind( const char_type* data, size_type length ) |
| michael@0 | 41 | { |
| michael@0 | 42 | // If we currently own a buffer, release it. |
| michael@0 | 43 | Finalize(); |
| michael@0 | 44 | |
| michael@0 | 45 | mData = const_cast<char_type*>(data); |
| michael@0 | 46 | mLength = length; |
| michael@0 | 47 | SetDataFlags(F_TERMINATED); |
| michael@0 | 48 | AssertValidDepedentString(); |
| michael@0 | 49 | } |
| michael@0 | 50 |
