Move implementations into fx_system.cpp

This CL moves code defined in fx_system.h to be implemented in
fx_system.cpp.

Change-Id: I0c19066d4497bd208f4560fdcaf57cf04bf9f146
Reviewed-on: https://pdfium-review.googlesource.com/12674
Reviewed-by: Tom Sepez <tsepez@chromium.org>
Commit-Queue: dsinclair <dsinclair@chromium.org>

1 files changed, 0 insertions, 215 deletions

diff --git a/core/fxcrt/fx_basic_gcc.cpp b/core/fxcrt/fx_basic_gcc.cpp
deleted file mode 100644
index 12ac399334..0000000000
--- a/core/fxcrt/fx_basic_gcc.cpp
+++ /dev/null
@@ -1,215 +0,0 @@
-// 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
-
-#include <cctype>
-#include <cwctype>
-#include <limits>
-
-#include "core/fxcrt/fx_extension.h"
-#include "core/fxcrt/fx_string.h"
-
-namespace {
-
-template <typename IntType, typename CharType>
-IntType FXSYS_StrToInt(const CharType* str) {
-  if (!str)
-    return 0;
-
-  // Process the sign.
-  bool neg = *str == '-';
-  if (neg || *str == '+')
-    str++;
-
-  IntType num = 0;
-  while (*str && FXSYS_isDecimalDigit(*str)) {
-    IntType val = FXSYS_DecimalCharToInt(*str);
-    if (num > (std::numeric_limits<IntType>::max() - val) / 10) {
-      if (neg && std::numeric_limits<IntType>::is_signed) {
-        // Return MIN when the represented number is signed type and is smaller
-        // than the min value.
-        return std::numeric_limits<IntType>::min();
-      } else {
-        // Return MAX when the represented number is signed type and is larger
-        // than the max value, or the number is unsigned type and out of range.
-        return std::numeric_limits<IntType>::max();
-      }
-    }
-
-    num = num * 10 + val;
-    str++;
-  }
-  // When it is a negative value, -num should be returned. Since num may be of
-  // unsigned type, use ~num + 1 to avoid the warning of applying unary minus
-  // operator to unsigned type.
-  return neg ? ~num + 1 : num;
-}
-
-template <typename T, typename UT, typename STR_T>
-STR_T FXSYS_IntToStr(T value, STR_T str, int radix) {
-  if (radix < 2 || radix > 16) {
-    str[0] = 0;
-    return str;
-  }
-  if (value == 0) {
-    str[0] = '0';
-    str[1] = 0;
-    return str;
-  }
-  int i = 0;
-  UT uvalue;
-  if (value < 0) {
-    str[i++] = '-';
-    // Standard trick to avoid undefined behaviour when negating INT_MIN.
-    uvalue = static_cast<UT>(-(value + 1)) + 1;
-  } else {
-    uvalue = value;
-  }
-  int digits = 1;
-  T order = uvalue / radix;
-  while (order > 0) {
-    digits++;
-    order = order / radix;
-  }
-  for (int d = digits - 1; d > -1; d--) {
-    str[d + i] = "0123456789abcdef"[uvalue % radix];
-    uvalue /= radix;
-  }
-  str[digits + i] = 0;
-  return str;
-}
-
-}  // namespace
-
-int32_t FXSYS_atoi(const char* str) {
-  return FXSYS_StrToInt<int32_t, char>(str);
-}
-uint32_t FXSYS_atoui(const char* str) {
-  return FXSYS_StrToInt<uint32_t>(str);
-}
-int32_t FXSYS_wtoi(const wchar_t* str) {
-  return FXSYS_StrToInt<int32_t, wchar_t>(str);
-}
-int64_t FXSYS_atoi64(const char* str) {
-  return FXSYS_StrToInt<int64_t, char>(str);
-}
-const char* FXSYS_i64toa(int64_t value, char* str, int radix) {
-  return FXSYS_IntToStr<int64_t, uint64_t, char*>(value, str, radix);
-}
-
-#if _FXM_PLATFORM_ != _FXM_PLATFORM_WINDOWS_
-
-int FXSYS_GetACP() {
-  return 0;
-}
-
-char* FXSYS_strlwr(char* str) {
-  if (!str) {
-    return nullptr;
-  }
-  char* s = str;
-  while (*str) {
-    *str = FXSYS_tolower(*str);
-    str++;
-  }
-  return s;
-}
-char* FXSYS_strupr(char* str) {
-  if (!str) {
-    return nullptr;
-  }
-  char* s = str;
-  while (*str) {
-    *str = FXSYS_toupper(*str);
-    str++;
-  }
-  return s;
-}
-wchar_t* FXSYS_wcslwr(wchar_t* str) {
-  if (!str) {
-    return nullptr;
-  }
-  wchar_t* s = str;
-  while (*str) {
-    *str = FXSYS_tolower(*str);
-    str++;
-  }
-  return s;
-}
-wchar_t* FXSYS_wcsupr(wchar_t* str) {
-  if (!str) {
-    return nullptr;
-  }
-  wchar_t* s = str;
-  while (*str) {
-    *str = FXSYS_toupper(*str);
-    str++;
-  }
-  return s;
-}
-
-int FXSYS_stricmp(const char* dst, const char* src) {
-  int f;
-  int l;
-  do {
-    f = FXSYS_toupper(*dst);
-    l = FXSYS_toupper(*src);
-    ++dst;
-    ++src;
-  } while (f && f == l);
-  return f - l;
-}
-
-int FXSYS_wcsicmp(const wchar_t* dst, const wchar_t* src) {
-  wchar_t f;
-  wchar_t l;
-  do {
-    f = FXSYS_toupper(*dst);
-    l = FXSYS_toupper(*src);
-    ++dst;
-    ++src;
-  } while (f && f == l);
-  return f - l;
-}
-
-char* FXSYS_itoa(int value, char* str, int radix) {
-  return FXSYS_IntToStr<int32_t, uint32_t, char*>(value, str, radix);
-}
-
-int FXSYS_WideCharToMultiByte(uint32_t codepage,
-                              uint32_t dwFlags,
-                              const wchar_t* wstr,
-                              int wlen,
-                              char* buf,
-                              int buflen,
-                              const char* default_str,
-                              int* pUseDefault) {
-  int len = 0;
-  for (int i = 0; i < wlen; i++) {
-    if (wstr[i] < 0x100) {
-      if (buf && len < buflen)
-        buf[len] = static_cast<char>(wstr[i]);
-      len++;
-    }
-  }
-  return len;
-}
-int FXSYS_MultiByteToWideChar(uint32_t codepage,
-                              uint32_t dwFlags,
-                              const char* bstr,
-                              int blen,
-                              wchar_t* buf,
-                              int buflen) {
-  int wlen = 0;
-  for (int i = 0; i < blen; i++) {
-    if (buf && wlen < buflen) {
-      buf[wlen] = bstr[i];
-    }
-    wlen++;
-  }
-  return wlen;
-}
-
-#endif  // _FXM_PLATFORM_ != _FXM_PLATFORM_WINDOWS_