Move files in wtf/ to platform/wtf/ (Part 9).

third_party/WebKit/Source/wtf/text/CString.h

-/*
- * Copyright (C) 2003, 2006, 2008, 2009, 2010, 2012 Apple Inc. All rights
- * reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
- * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
- * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
+// Copyright 2017 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
 
-#ifndef CString_h
-#define CString_h
+#include "platform/wtf/text/CString.h"
 
-#include "wtf/Allocator.h"
-#include "wtf/RefCounted.h"
-#include "wtf/RefPtr.h"
-#include "wtf/WTFExport.h"
-#include "wtf/allocator/PartitionAllocator.h"
-#include <string.h>
-
-namespace WTF {
-
-// CStringImpl is an immutable ref-counted storage for the characters in a
-// CString. It's analogous to a StringImpl but may contain any arbitrary
-// sequence of bytes. The data is always allocated 1 longer than length() and is
-// null terminated.
-class WTF_EXPORT CStringImpl : public RefCounted<CStringImpl> {
-  WTF_MAKE_NONCOPYABLE(CStringImpl);
-
- public:
-  // CStringImpls are allocated out of the WTF buffer partition.
-  void* operator new(size_t, void* ptr) { return ptr; }
-  void operator delete(void*);
-
-  static PassRefPtr<CStringImpl> createUninitialized(size_t length,
-                                                     char*& data);
-
-  const char* data() const { return reinterpret_cast<const char*>(this + 1); }
-  size_t length() const { return m_length; }
-
- private:
-  explicit CStringImpl(size_t length) : m_length(length) {}
-
-  const unsigned m_length;
-};
-
-// A container for an immutable ref-counted null-terminated char array. This is
-// analogous to a WTF::String but does not require the contained bytes to be
-// valid Latin1 or UTF-16. Instead a CString can contain any arbitrary bytes.
-class WTF_EXPORT CString {
-  USING_FAST_MALLOC(CString);
-
- public:
-  // Construct a null string, distinguishable from an empty string.
-  CString() {}
-
-  // Construct a string from arbitrary bytes.
-  CString(const char* chars) : CString(chars, chars ? strlen(chars) : 0) {}
-  CString(const char*, size_t length);
-
-  // Construct a string referencing an existing buffer.
-  CString(CStringImpl* buffer) : m_buffer(buffer) {}
-  CString(PassRefPtr<CStringImpl> buffer) : m_buffer(std::move(buffer)) {}
-
-  static CString createUninitialized(size_t length, char*& data) {
-    return CStringImpl::createUninitialized(length, data);
-  }
-
-  // The bytes of the string, always NUL terminated. May be null.
-  const char* data() const { return m_buffer ? m_buffer->data() : 0; }
-
-  // The length of the data(), *not* including the NUL terminator.
-  size_t length() const { return m_buffer ? m_buffer->length() : 0; }
-
-  bool isNull() const { return !m_buffer; }
-
-  bool isSafeToSendToAnotherThread() const;
-
-  CStringImpl* impl() const { return m_buffer.get(); }
-
- private:
-  RefPtr<CStringImpl> m_buffer;
-};
-
-WTF_EXPORT bool operator==(const CString& a, const CString& b);
-inline bool operator!=(const CString& a, const CString& b) {
-  return !(a == b);
-}
-WTF_EXPORT bool operator==(const CString& a, const char* b);
-inline bool operator!=(const CString& a, const char* b) {
-  return !(a == b);
-}
-
-// Pretty printer for gtest and base/logging.*.  It prepends and appends
-// double-quotes, and escapes characters other than ASCII printables.
-WTF_EXPORT std::ostream& operator<<(std::ostream&, const CString&);
-
-}  // namespace WTF
-
-using WTF::CString;
-
-#endif  // CString_h
+// The contents of this header was moved to platform/wtf as part of
+// WTF migration project. See the following post for details:
+// https://groups.google.com/a/chromium.org/d/msg/blink-dev/tLdAZCTlcAA/bYXVT8gYCAAJ