Move files in wtf/ to platform/wtf/ (Part 10).

third_party/WebKit/Source/wtf/text/TextCodecUTF16.cpp

Index: third_party/WebKit/Source/wtf/text/TextCodecUTF16.cpp
diff --git a/third_party/WebKit/Source/wtf/text/TextCodecUTF16.cpp b/third_party/WebKit/Source/wtf/text/TextCodecUTF16.cpp
deleted file mode 100644
index 72b187df06248d6de5d10f036542f6156153845d..0000000000000000000000000000000000000000
--- a/third_party/WebKit/Source/wtf/text/TextCodecUTF16.cpp
+++ /dev/null
@@ -1,212 +0,0 @@
-/*
- * Copyright (C) 2004, 2006, 2008, 2010 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.
- */
-
-#include "wtf/text/TextCodecUTF16.h"
-
-#include "wtf/PtrUtil.h"
-#include "wtf/text/CString.h"
-#include "wtf/text/CharacterNames.h"
-#include "wtf/text/StringBuffer.h"
-#include "wtf/text/WTFString.h"
-#include <memory>
-
-using namespace std;
-
-namespace WTF {
-
-void TextCodecUTF16::registerEncodingNames(EncodingNameRegistrar registrar) {
-  registrar("UTF-16LE", "UTF-16LE");
-  registrar("UTF-16BE", "UTF-16BE");
-
-  registrar("ISO-10646-UCS-2", "UTF-16LE");
-  registrar("UCS-2", "UTF-16LE");
-  registrar("UTF-16", "UTF-16LE");
-  registrar("Unicode", "UTF-16LE");
-  registrar("csUnicode", "UTF-16LE");
-  registrar("unicodeFEFF", "UTF-16LE");
-
-  registrar("unicodeFFFE", "UTF-16BE");
-}
-
-static std::unique_ptr<TextCodec> newStreamingTextDecoderUTF16LE(
-    const TextEncoding&,
-    const void*) {
-  return WTF::makeUnique<TextCodecUTF16>(true);
-}
-
-static std::unique_ptr<TextCodec> newStreamingTextDecoderUTF16BE(
-    const TextEncoding&,
-    const void*) {
-  return WTF::makeUnique<TextCodecUTF16>(false);
-}
-
-void TextCodecUTF16::registerCodecs(TextCodecRegistrar registrar) {
-  registrar("UTF-16LE", newStreamingTextDecoderUTF16LE, 0);
-  registrar("UTF-16BE", newStreamingTextDecoderUTF16BE, 0);
-}
-
-String TextCodecUTF16::decode(const char* bytes,
-                              size_t length,
-                              FlushBehavior flush,
-                              bool,
-                              bool& sawError) {
-  // For compatibility reasons, ignore flush from fetch EOF.
-  const bool reallyFlush = flush != DoNotFlush && flush != FetchEOF;
-
-  if (!length) {
-    if (reallyFlush && (m_haveLeadByte || m_haveLeadSurrogate)) {
-      m_haveLeadByte = m_haveLeadSurrogate = false;
-      sawError = true;
-      return String(&replacementCharacter, 1);
-    }
-    return String();
-  }
-
-  const unsigned char* p = reinterpret_cast<const unsigned char*>(bytes);
-  const size_t numBytes = length + m_haveLeadByte;
-  const bool willHaveExtraByte = numBytes & 1;
-  const size_t numCharsIn = numBytes / 2;
-  const size_t maxCharsOut = numCharsIn + (m_haveLeadSurrogate ? 1 : 0) +
-                             (reallyFlush && willHaveExtraByte ? 1 : 0);
-
-  StringBuffer<UChar> buffer(maxCharsOut);
-  UChar* q = buffer.characters();
-
-  for (size_t i = 0; i < numCharsIn; ++i) {
-    UChar c;
-    if (m_haveLeadByte) {
-      c = m_littleEndian ? (m_leadByte | (p[0] << 8))
-                         : ((m_leadByte << 8) | p[0]);
-      m_haveLeadByte = false;
-      ++p;
-    } else {
-      c = m_littleEndian ? (p[0] | (p[1] << 8)) : ((p[0] << 8) | p[1]);
-      p += 2;
-    }
-
-    // TODO(jsbell): If necessary for performance, m_haveLeadByte handling
-    // can be pulled out and this loop split into distinct cases for
-    // big/little endian. The logic from here to the end of the loop is
-    // constant with respect to m_haveLeadByte and m_littleEndian.
-
-    if (m_haveLeadSurrogate && U_IS_TRAIL(c)) {
-      *q++ = m_leadSurrogate;
-      m_haveLeadSurrogate = false;
-      *q++ = c;
-    } else {
-      if (m_haveLeadSurrogate) {
-        m_haveLeadSurrogate = false;
-        sawError = true;
-        *q++ = replacementCharacter;
-      }
-
-      if (U_IS_LEAD(c)) {
-        m_haveLeadSurrogate = true;
-        m_leadSurrogate = c;
-      } else if (U_IS_TRAIL(c)) {
-        sawError = true;
-        *q++ = replacementCharacter;
-      } else {
-        *q++ = c;
-      }
-    }
-  }
-
-  DCHECK(!m_haveLeadByte);
-  if (willHaveExtraByte) {
-    m_haveLeadByte = true;
-    m_leadByte = p[0];
-  }
-
-  if (reallyFlush && (m_haveLeadByte || m_haveLeadSurrogate)) {
-    m_haveLeadByte = m_haveLeadSurrogate = false;
-    sawError = true;
-    *q++ = replacementCharacter;
-  }
-
-  buffer.shrink(q - buffer.characters());
-
-  return String::adopt(buffer);
-}
-
-CString TextCodecUTF16::encode(const UChar* characters,
-                               size_t length,
-                               UnencodableHandling) {
-  // We need to be sure we can double the length without overflowing.
-  // Since the passed-in length is the length of an actual existing
-  // character buffer, each character is two bytes, and we know
-  // the buffer doesn't occupy the entire address space, we can
-  // assert here that doubling the length does not overflow size_t
-  // and there's no need for a runtime check.
-  DCHECK_LE(length, numeric_limits<size_t>::max() / 2);
-
-  char* bytes;
-  CString result = CString::createUninitialized(length * 2, bytes);
-
-  // FIXME: CString is not a reasonable data structure for encoded UTF-16, which
-  // will have null characters inside it. Perhaps the result of encode should
-  // not be a CString.
-  if (m_littleEndian) {
-    for (size_t i = 0; i < length; ++i) {
-      UChar c = characters[i];
-      bytes[i * 2] = static_cast<char>(c);
-      bytes[i * 2 + 1] = c >> 8;
-    }
-  } else {
-    for (size_t i = 0; i < length; ++i) {
-      UChar c = characters[i];
-      bytes[i * 2] = c >> 8;
-      bytes[i * 2 + 1] = static_cast<char>(c);
-    }
-  }
-
-  return result;
-}
-
-CString TextCodecUTF16::encode(const LChar* characters,
-                               size_t length,
-                               UnencodableHandling) {
-  // In the LChar case, we do actually need to perform this check in release. :)
-  RELEASE_ASSERT(length <= numeric_limits<size_t>::max() / 2);
-
-  char* bytes;
-  CString result = CString::createUninitialized(length * 2, bytes);
-
-  if (m_littleEndian) {
-    for (size_t i = 0; i < length; ++i) {
-      bytes[i * 2] = characters[i];
-      bytes[i * 2 + 1] = 0;
-    }
-  } else {
-    for (size_t i = 0; i < length; ++i) {
-      bytes[i * 2] = 0;
-      bytes[i * 2 + 1] = characters[i];
-    }
-  }
-
-  return result;
-}
-
-}  // namespace WTF