Move files in wtf/ to platform/wtf/ (Part 4).

third_party/WebKit/Source/wtf/ASCIICType.h

Index: third_party/WebKit/Source/wtf/ASCIICType.h
diff --git a/third_party/WebKit/Source/wtf/ASCIICType.h b/third_party/WebKit/Source/wtf/ASCIICType.h
index e25f8d4e731ca349eb7b29f412974f39943b4990..611f134d5843fa062a4df615aef6682532c1f793 100644
--- a/third_party/WebKit/Source/wtf/ASCIICType.h
+++ b/third_party/WebKit/Source/wtf/ASCIICType.h
@@ -1,184 +1,9 @@
-/*
- * Copyright (C) 2007, 2008, 2009, 2011 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.
- * 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of
- *     its contributors may be used to endorse or promote products derived
- *     from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "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 OR ITS 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 WTF_ASCIICType_h
-#define WTF_ASCIICType_h
+#include "platform/wtf/ASCIICType.h"
 
-#include "wtf/Assertions.h"
-#include "wtf/text/Unicode.h"
-
-// The behavior of many of the functions in the <ctype.h> header is dependent
-// on the current locale. But in the WebKit project, all uses of those functions
-// are in code processing something that's not locale-specific. These
-// equivalents for some of the <ctype.h> functions are named more explicitly,
-// not dependent on the C library locale, and we should also optimize them as
-// needed.
-
-// All functions return false or leave the character unchanged if passed a
-// character that is outside the range 0-7F. So they can be used on Unicode
-// strings or characters if the intent is to do processing only if the
-// character is ASCII.
-
-namespace WTF {
-
-template <typename CharType>
-inline bool isASCII(CharType c) {
-  return !(c & ~0x7F);
-}
-
-template <typename CharType>
-inline bool isASCIIAlpha(CharType c) {
-  return (c | 0x20) >= 'a' && (c | 0x20) <= 'z';
-}
-
-template <typename CharType>
-inline bool isASCIIDigit(CharType c) {
-  return c >= '0' && c <= '9';
-}
-
-template <typename CharType>
-inline bool isASCIIAlphanumeric(CharType c) {
-  return isASCIIDigit(c) || isASCIIAlpha(c);
-}
-
-template <typename CharType>
-inline bool isASCIIHexDigit(CharType c) {
-  return isASCIIDigit(c) || ((c | 0x20) >= 'a' && (c | 0x20) <= 'f');
-}
-
-template <typename CharType>
-inline bool isASCIILower(CharType c) {
-  return c >= 'a' && c <= 'z';
-}
-
-template <typename CharType>
-inline bool isASCIIOctalDigit(CharType c) {
-  return (c >= '0') & (c <= '7');
-}
-
-template <typename CharType>
-inline bool isASCIIPrintable(CharType c) {
-  return c >= ' ' && c <= '~';
-}
-
-/*
- Statistics from a run of Apple's page load test for callers of isASCIISpace:
-
- character          count
- ---------          -----
- non-spaces         689383
- 20  space          294720
- 0A  \n             89059
- 09  \t             28320
- 0D  \r             0
- 0C  \f             0
- 0B  \v             0
- */
-template <typename CharType>
-inline bool isASCIISpace(CharType c) {
-  return c <= ' ' && (c == ' ' || (c <= 0xD && c >= 0x9));
-}
-
-template <typename CharType>
-inline bool isASCIIUpper(CharType c) {
-  return c >= 'A' && c <= 'Z';
-}
-
-WTF_EXPORT extern const LChar ASCIICaseFoldTable[256];
-
-template <typename CharType>
-inline CharType toASCIILower(CharType c) {
-  return c | ((c >= 'A' && c <= 'Z') << 5);
-}
-
-inline LChar toASCIILower(LChar c) {
-  return ASCIICaseFoldTable[c];
-}
-
-inline char toASCIILower(char c) {
-  return static_cast<char>(ASCIICaseFoldTable[static_cast<LChar>(c)]);
-}
-
-template <typename CharType>
-inline CharType toASCIIUpper(CharType c) {
-  return c & ~((c >= 'a' && c <= 'z') << 5);
-}
-
-template <typename CharType>
-inline int toASCIIHexValue(CharType c) {
-  DCHECK(isASCIIHexDigit(c));
-  return c < 'A' ? c - '0' : (c - 'A' + 10) & 0xF;
-}
-
-template <typename CharType>
-inline int toASCIIHexValue(CharType upperValue, CharType lowerValue) {
-  DCHECK(isASCIIHexDigit(upperValue));
-  DCHECK(isASCIIHexDigit(lowerValue));
-  return ((toASCIIHexValue(upperValue) << 4) & 0xF0) |
-         toASCIIHexValue(lowerValue);
-}
-
-inline char lowerNibbleToASCIIHexDigit(char c) {
-  char nibble = c & 0xF;
-  return nibble < 10 ? '0' + nibble : 'A' + nibble - 10;
-}
-
-inline char upperNibbleToASCIIHexDigit(char c) {
-  char nibble = (c >> 4) & 0xF;
-  return nibble < 10 ? '0' + nibble : 'A' + nibble - 10;
-}
-
-template <typename CharType>
-inline bool isASCIIAlphaCaselessEqual(CharType cssCharacter, char character) {
-  // This function compares a (preferrably) constant ASCII
-  // lowercase letter to any input character.
-  DCHECK_GE(character, 'a');
-  DCHECK_LE(character, 'z');
-  return LIKELY((cssCharacter | 0x20) == character);
-}
-
-}  // namespace WTF
-
-using WTF::isASCII;
-using WTF::isASCIIAlpha;
-using WTF::isASCIIAlphanumeric;
-using WTF::isASCIIDigit;
-using WTF::isASCIIHexDigit;
-using WTF::isASCIILower;
-using WTF::isASCIIOctalDigit;
-using WTF::isASCIIPrintable;
-using WTF::isASCIISpace;
-using WTF::isASCIIUpper;
-using WTF::toASCIIHexValue;
-using WTF::toASCIILower;
-using WTF::toASCIIUpper;
-using WTF::lowerNibbleToASCIIHexDigit;
-using WTF::upperNibbleToASCIIHexDigit;
-using WTF::isASCIIAlphaCaselessEqual;
-
-#endif
+// 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