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

third_party/WebKit/Source/wtf/text/TextCodecLatin1.cpp

Index: third_party/WebKit/Source/wtf/text/TextCodecLatin1.cpp
diff --git a/third_party/WebKit/Source/wtf/text/TextCodecLatin1.cpp b/third_party/WebKit/Source/wtf/text/TextCodecLatin1.cpp
deleted file mode 100644
index 589c853e42980a4d9cbc1e076f75707b942525ea..0000000000000000000000000000000000000000
--- a/third_party/WebKit/Source/wtf/text/TextCodecLatin1.cpp
+++ /dev/null
@@ -1,293 +0,0 @@
-/*
- * Copyright (C) 2004, 2006, 2008 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/TextCodecLatin1.h"
-
-#include "wtf/PtrUtil.h"
-#include "wtf/text/CString.h"
-#include "wtf/text/StringBuffer.h"
-#include "wtf/text/TextCodecASCIIFastPath.h"
-#include "wtf/text/WTFString.h"
-#include <memory>
-
-namespace WTF {
-
-static const UChar table[256] = {
-    0x0000, 0x0001, 0x0002, 0x0003, 0x0004, 0x0005, 0x0006, 0x0007,  // 00-07
-    0x0008, 0x0009, 0x000A, 0x000B, 0x000C, 0x000D, 0x000E, 0x000F,  // 08-0F
-    0x0010, 0x0011, 0x0012, 0x0013, 0x0014, 0x0015, 0x0016, 0x0017,  // 10-17
-    0x0018, 0x0019, 0x001A, 0x001B, 0x001C, 0x001D, 0x001E, 0x001F,  // 18-1F
-    0x0020, 0x0021, 0x0022, 0x0023, 0x0024, 0x0025, 0x0026, 0x0027,  // 20-27
-    0x0028, 0x0029, 0x002A, 0x002B, 0x002C, 0x002D, 0x002E, 0x002F,  // 28-2F
-    0x0030, 0x0031, 0x0032, 0x0033, 0x0034, 0x0035, 0x0036, 0x0037,  // 30-37
-    0x0038, 0x0039, 0x003A, 0x003B, 0x003C, 0x003D, 0x003E, 0x003F,  // 38-3F
-    0x0040, 0x0041, 0x0042, 0x0043, 0x0044, 0x0045, 0x0046, 0x0047,  // 40-47
-    0x0048, 0x0049, 0x004A, 0x004B, 0x004C, 0x004D, 0x004E, 0x004F,  // 48-4F
-    0x0050, 0x0051, 0x0052, 0x0053, 0x0054, 0x0055, 0x0056, 0x0057,  // 50-57
-    0x0058, 0x0059, 0x005A, 0x005B, 0x005C, 0x005D, 0x005E, 0x005F,  // 58-5F
-    0x0060, 0x0061, 0x0062, 0x0063, 0x0064, 0x0065, 0x0066, 0x0067,  // 60-67
-    0x0068, 0x0069, 0x006A, 0x006B, 0x006C, 0x006D, 0x006E, 0x006F,  // 68-6F
-    0x0070, 0x0071, 0x0072, 0x0073, 0x0074, 0x0075, 0x0076, 0x0077,  // 70-77
-    0x0078, 0x0079, 0x007A, 0x007B, 0x007C, 0x007D, 0x007E, 0x007F,  // 78-7F
-    0x20AC, 0x0081, 0x201A, 0x0192, 0x201E, 0x2026, 0x2020, 0x2021,  // 80-87
-    0x02C6, 0x2030, 0x0160, 0x2039, 0x0152, 0x008D, 0x017D, 0x008F,  // 88-8F
-    0x0090, 0x2018, 0x2019, 0x201C, 0x201D, 0x2022, 0x2013, 0x2014,  // 90-97
-    0x02DC, 0x2122, 0x0161, 0x203A, 0x0153, 0x009D, 0x017E, 0x0178,  // 98-9F
-    0x00A0, 0x00A1, 0x00A2, 0x00A3, 0x00A4, 0x00A5, 0x00A6, 0x00A7,  // A0-A7
-    0x00A8, 0x00A9, 0x00AA, 0x00AB, 0x00AC, 0x00AD, 0x00AE, 0x00AF,  // A8-AF
-    0x00B0, 0x00B1, 0x00B2, 0x00B3, 0x00B4, 0x00B5, 0x00B6, 0x00B7,  // B0-B7
-    0x00B8, 0x00B9, 0x00BA, 0x00BB, 0x00BC, 0x00BD, 0x00BE, 0x00BF,  // B8-BF
-    0x00C0, 0x00C1, 0x00C2, 0x00C3, 0x00C4, 0x00C5, 0x00C6, 0x00C7,  // C0-C7
-    0x00C8, 0x00C9, 0x00CA, 0x00CB, 0x00CC, 0x00CD, 0x00CE, 0x00CF,  // C8-CF
-    0x00D0, 0x00D1, 0x00D2, 0x00D3, 0x00D4, 0x00D5, 0x00D6, 0x00D7,  // D0-D7
-    0x00D8, 0x00D9, 0x00DA, 0x00DB, 0x00DC, 0x00DD, 0x00DE, 0x00DF,  // D8-DF
-    0x00E0, 0x00E1, 0x00E2, 0x00E3, 0x00E4, 0x00E5, 0x00E6, 0x00E7,  // E0-E7
-    0x00E8, 0x00E9, 0x00EA, 0x00EB, 0x00EC, 0x00ED, 0x00EE, 0x00EF,  // E8-EF
-    0x00F0, 0x00F1, 0x00F2, 0x00F3, 0x00F4, 0x00F5, 0x00F6, 0x00F7,  // F0-F7
-    0x00F8, 0x00F9, 0x00FA, 0x00FB, 0x00FC, 0x00FD, 0x00FE, 0x00FF   // F8-FF
-};
-
-void TextCodecLatin1::registerEncodingNames(EncodingNameRegistrar registrar) {
-  // Taken from the alias table at https://encoding.spec.whatwg.org/
-  registrar("windows-1252", "windows-1252");
-  registrar("ANSI_X3.4-1968", "windows-1252");
-  registrar("ASCII", "windows-1252");
-  registrar("cp1252", "windows-1252");
-  registrar("cp819", "windows-1252");
-  registrar("csISOLatin1", "windows-1252");
-  registrar("IBM819", "windows-1252");
-  registrar("ISO-8859-1", "windows-1252");
-  registrar("iso-ir-100", "windows-1252");
-  registrar("iso8859-1", "windows-1252");
-  registrar("iso88591", "windows-1252");
-  registrar("iso_8859-1", "windows-1252");
-  registrar("iso_8859-1:1987", "windows-1252");
-  registrar("l1", "windows-1252");
-  registrar("latin1", "windows-1252");
-  registrar("US-ASCII", "windows-1252");
-  registrar("x-cp1252", "windows-1252");
-}
-
-static std::unique_ptr<TextCodec> newStreamingTextDecoderWindowsLatin1(
-    const TextEncoding&,
-    const void*) {
-  return WTF::wrapUnique(new TextCodecLatin1);
-}
-
-void TextCodecLatin1::registerCodecs(TextCodecRegistrar registrar) {
-  registrar("windows-1252", newStreamingTextDecoderWindowsLatin1, 0);
-
-  // ASCII and Latin-1 both decode as Windows Latin-1 although they retain
-  // unique identities.
-  registrar("ISO-8859-1", newStreamingTextDecoderWindowsLatin1, 0);
-  registrar("US-ASCII", newStreamingTextDecoderWindowsLatin1, 0);
-}
-
-String TextCodecLatin1::decode(const char* bytes,
-                               size_t length,
-                               FlushBehavior,
-                               bool,
-                               bool&) {
-  LChar* characters;
-  if (!length)
-    return emptyString;
-  String result = String::createUninitialized(length, characters);
-
-  const uint8_t* source = reinterpret_cast<const uint8_t*>(bytes);
-  const uint8_t* end = reinterpret_cast<const uint8_t*>(bytes + length);
-  const uint8_t* alignedEnd = alignToMachineWord(end);
-  LChar* destination = characters;
-
-  while (source < end) {
-    if (isASCII(*source)) {
-      // Fast path for ASCII. Most Latin-1 text will be ASCII.
-      if (isAlignedToMachineWord(source)) {
-        while (source < alignedEnd) {
-          MachineWord chunk = *reinterpret_cast_ptr<const MachineWord*>(source);
-
-          if (!isAllASCII<LChar>(chunk))
-            goto useLookupTable;
-
-          copyASCIIMachineWord(destination, source);
-          source += sizeof(MachineWord);
-          destination += sizeof(MachineWord);
-        }
-
-        if (source == end)
-          break;
-      }
-      *destination = *source;
-    } else {
-    useLookupTable:
-      if (table[*source] > 0xff)
-        goto upConvertTo16Bit;
-
-      *destination = static_cast<LChar>(table[*source]);
-    }
-
-    ++source;
-    ++destination;
-  }
-
-  return result;
-
-upConvertTo16Bit:
-  UChar* characters16;
-  String result16 = String::createUninitialized(length, characters16);
-
-  UChar* destination16 = characters16;
-
-  // Zero extend and copy already processed 8 bit data
-  LChar* ptr8 = characters;
-  LChar* endPtr8 = destination;
-
-  while (ptr8 < endPtr8)
-    *destination16++ = *ptr8++;
-
-  // Handle the character that triggered the 16 bit path
-  *destination16 = table[*source];
-  ++source;
-  ++destination16;
-
-  while (source < end) {
-    if (isASCII(*source)) {
-      // Fast path for ASCII. Most Latin-1 text will be ASCII.
-      if (isAlignedToMachineWord(source)) {
-        while (source < alignedEnd) {
-          MachineWord chunk = *reinterpret_cast_ptr<const MachineWord*>(source);
-
-          if (!isAllASCII<LChar>(chunk))
-            goto useLookupTable16;
-
-          copyASCIIMachineWord(destination16, source);
-          source += sizeof(MachineWord);
-          destination16 += sizeof(MachineWord);
-        }
-
-        if (source == end)
-          break;
-      }
-      *destination16 = *source;
-    } else {
-    useLookupTable16:
-      *destination16 = table[*source];
-    }
-
-    ++source;
-    ++destination16;
-  }
-
-  return result16;
-}
-
-template <typename CharType>
-static CString encodeComplexWindowsLatin1(const CharType* characters,
-                                          size_t length,
-                                          UnencodableHandling handling) {
-  size_t targetLength = length;
-  Vector<char> result(targetLength);
-  char* bytes = result.data();
-
-  size_t resultLength = 0;
-  for (size_t i = 0; i < length;) {
-    UChar32 c;
-    // If CharType is LChar the U16_NEXT call reads a byte and increments;
-    // since the convention is that LChar is already latin1 this is safe.
-    U16_NEXT(characters, i, length, c);
-    // If input was a surrogate pair (non-BMP character) then we overestimated
-    // the length.
-    if (c > 0xffff)
-      --targetLength;
-    unsigned char b = static_cast<unsigned char>(c);
-    // Do an efficient check to detect characters other than 00-7F and A0-FF.
-    if (b != c || (c & 0xE0) == 0x80) {
-      // Look for a way to encode this with Windows Latin-1.
-      for (b = 0x80; b < 0xA0; ++b) {
-        if (table[b] == c)
-          goto gotByte;
-      }
-      // No way to encode this character with Windows Latin-1.
-      UnencodableReplacementArray replacement;
-      int replacementLength =
-          TextCodec::getUnencodableReplacement(c, handling, replacement);
-      DCHECK_GT(replacementLength, 0);
-      // Only one char was initially reserved per input character, so grow if
-      // necessary. Note that the case of surrogate pairs and
-      // QuestionMarksForUnencodables the result length may be shorter than
-      // the input length.
-      targetLength += replacementLength - 1;
-      if (targetLength > result.size()) {
-        result.grow(targetLength);
-        bytes = result.data();
-      }
-      memcpy(bytes + resultLength, replacement, replacementLength);
-      resultLength += replacementLength;
-      continue;
-    }
-  gotByte:
-    bytes[resultLength++] = b;
-  }
-
-  return CString(bytes, resultLength);
-}
-
-template <typename CharType>
-CString TextCodecLatin1::encodeCommon(const CharType* characters,
-                                      size_t length,
-                                      UnencodableHandling handling) {
-  {
-    char* bytes;
-    CString string = CString::createUninitialized(length, bytes);
-
-    // Convert the string a fast way and simultaneously do an efficient check to
-    // see if it's all ASCII.
-    UChar ored = 0;
-    for (size_t i = 0; i < length; ++i) {
-      UChar c = characters[i];
-      bytes[i] = static_cast<char>(c);
-      ored |= c;
-    }
-
-    if (!(ored & 0xFF80))
-      return string;
-  }
-
-  // If it wasn't all ASCII, call the function that handles more-complex cases.
-  return encodeComplexWindowsLatin1(characters, length, handling);
-}
-
-CString TextCodecLatin1::encode(const UChar* characters,
-                                size_t length,
-                                UnencodableHandling handling) {
-  return encodeCommon(characters, length, handling);
-}
-
-CString TextCodecLatin1::encode(const LChar* characters,
-                                size_t length,
-                                UnencodableHandling handling) {
-  return encodeCommon(characters, length, handling);
-}
-
-}  // namespace WTF