Move core/fxcrt/include to core/fxcrt

core/fxcrt/include/fx_ext.h

-// Copyright 2014 PDFium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
-
-#ifndef CORE_FXCRT_INCLUDE_FX_EXT_H_
-#define CORE_FXCRT_INCLUDE_FX_EXT_H_
-
-#include <cctype>
-#include <cwctype>
-
-#include "core/fxcrt/include/fx_basic.h"
-
-#define FX_INVALID_OFFSET static_cast<uint32_t>(-1)
-
-// TODO(thestig) Using unique_ptr with ReleaseDeleter is still not ideal.
-// Come up or wait for something better. This appears in this file rather
-// than fx_stream.h due to include ordering restrictions.
-using ScopedFileStream =
-    std::unique_ptr<IFX_FileStream, ReleaseDeleter<IFX_FileStream>>;
-
-FX_FLOAT FXSYS_tan(FX_FLOAT a);
-FX_FLOAT FXSYS_logb(FX_FLOAT b, FX_FLOAT x);
-FX_FLOAT FXSYS_strtof(const FX_CHAR* pcsStr,
-                      int32_t iLength = -1,
-                      int32_t* pUsedLen = nullptr);
-FX_FLOAT FXSYS_wcstof(const FX_WCHAR* pwsStr,
-                      int32_t iLength = -1,
-                      int32_t* pUsedLen = nullptr);
-FX_WCHAR* FXSYS_wcsncpy(FX_WCHAR* dstStr, const FX_WCHAR* srcStr, size_t count);
-int32_t FXSYS_wcsnicmp(const FX_WCHAR* s1, const FX_WCHAR* s2, size_t count);
-int32_t FXSYS_strnicmp(const FX_CHAR* s1, const FX_CHAR* s2, size_t count);
-
-inline bool FXSYS_islower(int32_t ch) {
-  return ch >= 'a' && ch <= 'z';
-}
-inline bool FXSYS_isupper(int32_t ch) {
-  return ch >= 'A' && ch <= 'Z';
-}
-inline int32_t FXSYS_tolower(int32_t ch) {
-  return ch < 'A' || ch > 'Z' ? ch : (ch + 0x20);
-}
-inline int32_t FXSYS_toupper(int32_t ch) {
-  return ch < 'a' || ch > 'z' ? ch : (ch - 0x20);
-}
-inline bool FXSYS_iswalpha(wchar_t wch) {
-  return (wch >= L'A' && wch <= L'Z') || (wch >= L'a' && wch <= L'z');
-}
-inline bool FXSYS_iswdigit(wchar_t wch) {
-  return wch >= L'0' && wch <= L'9';
-}
-inline bool FXSYS_iswalnum(wchar_t wch) {
-  return FXSYS_iswalpha(wch) || FXSYS_iswdigit(wch);
-}
-inline bool FXSYS_iswspace(FX_WCHAR c) {
-  return (c == 0x20) || (c == 0x0d) || (c == 0x0a) || (c == 0x09);
-}
-
-inline int FXSYS_toHexDigit(const FX_CHAR c) {
-  if (!std::isxdigit(c))
-    return 0;
-  char upchar = std::toupper(c);
-  return upchar > '9' ? upchar - 'A' + 10 : upchar - '0';
-}
-
-inline bool FXSYS_isDecimalDigit(const FX_CHAR c) {
-  return !!std::isdigit(c);
-}
-
-inline bool FXSYS_isDecimalDigit(const FX_WCHAR c) {
-  return !!std::iswdigit(c);
-}
-
-inline int FXSYS_toDecimalDigit(const FX_CHAR c) {
-  return std::isdigit(c) ? c - '0' : 0;
-}
-
-inline int FXSYS_toDecimalDigit(const FX_WCHAR c) {
-  return std::iswdigit(c) ? c - L'0' : 0;
-}
-
-FX_FLOAT FXSYS_FractionalScale(size_t scale_factor, int value);
-int FXSYS_FractionalScaleCount();
-
-void* FX_Random_MT_Start(uint32_t dwSeed);
-void FX_Random_MT_Close(void* pContext);
-uint32_t FX_Random_MT_Generate(void* pContext);
-void FX_Random_GenerateBase(uint32_t* pBuffer, int32_t iCount);
-void FX_Random_GenerateMT(uint32_t* pBuffer, int32_t iCount);
-void FX_Random_GenerateCrypto(uint32_t* pBuffer, int32_t iCount);
-
-#ifdef PDF_ENABLE_XFA
-typedef struct FX_GUID {
-  uint32_t data1;
-  uint16_t data2;
-  uint16_t data3;
-  uint8_t data4[8];
-} FX_GUID, *FX_LPGUID;
-typedef FX_GUID const* FX_LPCGUID;
-void FX_GUID_CreateV4(FX_LPGUID pGUID);
-void FX_GUID_ToString(FX_LPCGUID pGUID,
-                      CFX_ByteString& bsStr,
-                      FX_BOOL bSeparator = TRUE);
-#endif  // PDF_ENABLE_XFA
-
-template <class baseType>
-class CFX_SSortTemplate {
- public:
-  void ShellSort(baseType* pArray, int32_t iCount) {
-    ASSERT(pArray && iCount > 0);
-    int32_t i, j, gap;
-    baseType v1, v2;
-    gap = iCount >> 1;
-    while (gap > 0) {
-      for (i = gap; i < iCount; i++) {
-        j = i - gap;
-        v1 = pArray[i];
-        while (j > -1 && (v2 = pArray[j]) > v1) {
-          pArray[j + gap] = v2;
-          j -= gap;
-        }
-        pArray[j + gap] = v1;
-      }
-      gap >>= 1;
-    }
-  }
-};
-
-#endif  // CORE_FXCRT_INCLUDE_FX_EXT_H_