1 files changed, 0 insertions, 471 deletions
diff --git a/xfa/fgas/localization/cfx_decimal.cpp b/xfa/fgas/localization/cfx_decimal.cpp
deleted file mode 100644
index b3296f30cd..0000000000
--- a/xfa/fgas/localization/cfx_decimal.cpp
+++ /dev/null
@@ -1,471 +0,0 @@
-// Copyright 2017 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 "xfa/fgas/localization/cfx_decimal.h"
-
-#include <algorithm>
-#include <utility>
-
-#define FXMATH_DECIMAL_SCALELIMIT 0x1c
-#define FXMATH_DECIMAL_NEGMASK (0x80000000L)
-#define FXMATH_DECIMAL_FORCEBOOL(x) (!!(x))
-#define FXMATH_DECIMAL_MAKEFLAGS(NEG, SCALE) \
-  (((SCALE) << 0x10) | ((NEG) ? FXMATH_DECIMAL_NEGMASK : 0))
-#define FXMATH_DECIMAL_FLAGS2NEG(FLAGS) \
-  FXMATH_DECIMAL_FORCEBOOL((FLAGS)&FXMATH_DECIMAL_NEGMASK)
-#define FXMATH_DECIMAL_FLAGS2SCALE(FLAGS) \
-  ((uint8_t)(((FLAGS) & ~FXMATH_DECIMAL_NEGMASK) >> 0x10))
-#define FXMATH_DECIMAL_RSHIFT32BIT(x) ((x) >> 0x10 >> 0x10)
-#define FXMATH_DECIMAL_LSHIFT32BIT(x) ((x) << 0x10 << 0x10)
-
-namespace {
-
-inline uint8_t decimal_helper_div10(uint64_t& phi,
-                                    uint64_t& pmid,
-                                    uint64_t& plo) {
-  uint8_t retVal;
-  pmid += FXMATH_DECIMAL_LSHIFT32BIT(phi % 0xA);
-  phi /= 0xA;
-  plo += FXMATH_DECIMAL_LSHIFT32BIT(pmid % 0xA);
-  pmid /= 0xA;
-  retVal = plo % 0xA;
-  plo /= 0xA;
-  return retVal;
-}
-
-inline uint8_t decimal_helper_div10_any(uint64_t nums[], uint8_t numcount) {
-  uint8_t retVal = 0;
-  for (int i = numcount - 1; i > 0; i--) {
-    nums[i - 1] += FXMATH_DECIMAL_LSHIFT32BIT(nums[i] % 0xA);
-    nums[i] /= 0xA;
-  }
-  if (numcount) {
-    retVal = nums[0] % 0xA;
-    nums[0] /= 0xA;
-  }
-  return retVal;
-}
-
-inline void decimal_helper_mul10(uint64_t& phi, uint64_t& pmid, uint64_t& plo) {
-  plo *= 0xA;
-  pmid = pmid * 0xA + FXMATH_DECIMAL_RSHIFT32BIT(plo);
-  plo = (uint32_t)plo;
-  phi = phi * 0xA + FXMATH_DECIMAL_RSHIFT32BIT(pmid);
-  pmid = (uint32_t)pmid;
-}
-
-inline void decimal_helper_mul10_any(uint64_t nums[], uint8_t numcount) {
-  nums[0] *= 0xA;
-  for (int i = 1; i < numcount; i++) {
-    nums[i] = nums[i] * 0xA + FXMATH_DECIMAL_RSHIFT32BIT(nums[i - 1]);
-    nums[i - 1] = (uint32_t)nums[i - 1];
-  }
-}
-
-inline void decimal_helper_normalize(uint64_t& phi,
-                                     uint64_t& pmid,
-                                     uint64_t& plo) {
-  phi += FXMATH_DECIMAL_RSHIFT32BIT(pmid);
-  pmid = (uint32_t)pmid;
-  pmid += FXMATH_DECIMAL_RSHIFT32BIT(plo);
-  plo = (uint32_t)plo;
-  phi += FXMATH_DECIMAL_RSHIFT32BIT(pmid);
-  pmid = (uint32_t)pmid;
-}
-
-inline void decimal_helper_normalize_any(uint64_t nums[], uint8_t len) {
-  for (int i = len - 2; i > 0; i--) {
-    nums[i + 1] += FXMATH_DECIMAL_RSHIFT32BIT(nums[i]);
-    nums[i] = (uint32_t)nums[i];
-  }
-  for (int i = 0; i < len - 1; i++) {
-    nums[i + 1] += FXMATH_DECIMAL_RSHIFT32BIT(nums[i]);
-    nums[i] = (uint32_t)nums[i];
-  }
-}
-
-inline int8_t decimal_helper_raw_compare_any(uint64_t a[],
-                                             uint8_t al,
-                                             uint64_t b[],
-                                             uint8_t bl) {
-  int8_t retVal = 0;
-  for (int i = std::max(al - 1, bl - 1); i >= 0; i--) {
-    uint64_t l = (i >= al ? 0 : a[i]), r = (i >= bl ? 0 : b[i]);
-    retVal += (l > r ? 1 : (l < r ? -1 : 0));
-    if (retVal)
-      return retVal;
-  }
-  return retVal;
-}
-
-inline void decimal_helper_dec_any(uint64_t a[], uint8_t al) {
-  for (int i = 0; i < al; i++) {
-    if (a[i]--)
-      return;
-  }
-}
-
-inline void decimal_helper_inc_any(uint64_t a[], uint8_t al) {
-  for (int i = 0; i < al; i++) {
-    a[i]++;
-    if ((uint32_t)a[i] == a[i])
-      return;
-    a[i] = 0;
-  }
-}
-
-inline void decimal_helper_raw_mul(uint64_t a[],
-                                   uint8_t al,
-                                   uint64_t b[],
-                                   uint8_t bl,
-                                   uint64_t c[],
-                                   uint8_t cl) {
-  ASSERT(al + bl <= cl);
-  for (int i = 0; i < cl; i++)
-    c[i] = 0;
-
-  for (int i = 0; i < al; i++) {
-    for (int j = 0; j < bl; j++) {
-      uint64_t m = (uint64_t)a[i] * b[j];
-      c[i + j] += (uint32_t)m;
-      c[i + j + 1] += FXMATH_DECIMAL_RSHIFT32BIT(m);
-    }
-  }
-  for (int i = 0; i < cl - 1; i++) {
-    c[i + 1] += FXMATH_DECIMAL_RSHIFT32BIT(c[i]);
-    c[i] = (uint32_t)c[i];
-  }
-  for (int i = 0; i < cl; i++)
-    c[i] = (uint32_t)c[i];
-}
-
-inline void decimal_helper_raw_div(uint64_t a[],
-                                   uint8_t al,
-                                   uint64_t b[],
-                                   uint8_t bl,
-                                   uint64_t c[],
-                                   uint8_t cl) {
-  for (int i = 0; i < cl; i++)
-    c[i] = 0;
-
-  uint64_t left[16] = {0};
-  uint64_t right[16] = {0};
-  left[0] = 0;
-  for (int i = 0; i < al; i++)
-    right[i] = a[i];
-
-  uint64_t tmp[16];
-  while (decimal_helper_raw_compare_any(left, al, right, al) <= 0) {
-    uint64_t cur[16];
-    for (int i = 0; i < al; i++)
-      cur[i] = left[i] + right[i];
-
-    for (int i = al - 1; i >= 0; i--) {
-      if (i)
-        cur[i - 1] += FXMATH_DECIMAL_LSHIFT32BIT(cur[i] % 2);
-      cur[i] /= 2;
-    }
-
-    decimal_helper_raw_mul(cur, al, b, bl, tmp, 16);
-    switch (decimal_helper_raw_compare_any(tmp, 16, a, al)) {
-      case -1:
-        for (int i = 0; i < 16; i++)
-          left[i] = cur[i];
-
-        left[0]++;
-        decimal_helper_normalize_any(left, al);
-        break;
-      case 1:
-        for (int i = 0; i < 16; i++)
-          right[i] = cur[i];
-        decimal_helper_dec_any(right, al);
-        break;
-      case 0:
-        for (int i = 0; i < std::min(al, cl); i++)
-          c[i] = cur[i];
-        return;
-    }
-  }
-  for (int i = 0; i < std::min(al, cl); i++)
-    c[i] = left[i];
-}
-
-inline bool decimal_helper_outofrange(uint64_t a[], uint8_t al, uint8_t goal) {
-  for (int i = goal; i < al; i++) {
-    if (a[i])
-      return true;
-  }
-  return false;
-}
-
-inline void decimal_helper_shrinkintorange(uint64_t a[],
-                                           uint8_t al,
-                                           uint8_t goal,
-                                           uint8_t& scale) {
-  bool bRoundUp = false;
-  while (scale != 0 && (scale > FXMATH_DECIMAL_SCALELIMIT ||
-                        decimal_helper_outofrange(a, al, goal))) {
-    bRoundUp = decimal_helper_div10_any(a, al) >= 5;
-    scale--;
-  }
-  if (bRoundUp) {
-    decimal_helper_normalize_any(a, goal);
-    decimal_helper_inc_any(a, goal);
-  }
-}
-
-inline void decimal_helper_truncate(uint64_t& phi,
-                                    uint64_t& pmid,
-                                    uint64_t& plo,
-                                    uint8_t& scale,
-                                    uint8_t minscale = 0) {
-  while (scale > minscale) {
-    uint64_t thi = phi, tmid = pmid, tlo = plo;
-    if (decimal_helper_div10(thi, tmid, tlo) != 0)
-      break;
-
-    phi = thi;
-    pmid = tmid;
-    plo = tlo;
-    scale--;
-  }
-}
-
-}  // namespace
-
-CFX_Decimal::CFX_Decimal() : m_uHi(0), m_uLo(0), m_uMid(0), m_uFlags(0) {}
-
-CFX_Decimal::CFX_Decimal(uint64_t val)
-    : m_uHi(0),
-      m_uLo(static_cast<uint32_t>(val)),
-      m_uMid(static_cast<uint32_t>(FXMATH_DECIMAL_RSHIFT32BIT(val))),
-      m_uFlags(0) {}
-
-CFX_Decimal::CFX_Decimal(uint32_t val)
-    : m_uHi(0), m_uLo(static_cast<uint32_t>(val)), m_uMid(0), m_uFlags(0) {}
-
-CFX_Decimal::CFX_Decimal(uint32_t lo,
-                         uint32_t mid,
-                         uint32_t hi,
-                         bool neg,
-                         uint8_t scale)
-    : m_uHi(hi),
-      m_uLo(lo),
-      m_uMid(mid),
-      m_uFlags(FXMATH_DECIMAL_MAKEFLAGS(
-          neg && IsNotZero(),
-          (scale > FXMATH_DECIMAL_SCALELIMIT ? 0 : scale))) {}
-
-CFX_Decimal::CFX_Decimal(int32_t val) {
-  if (val >= 0) {
-    *this = CFX_Decimal(static_cast<uint32_t>(val));
-  } else {
-    *this = CFX_Decimal(static_cast<uint32_t>(-val));
-    SetNegate();
-  }
-}
-
-CFX_Decimal::CFX_Decimal(float val, uint8_t scale) {
-  float newval = fabs(val);
-  uint64_t phi;
-  uint64_t pmid;
-  uint64_t plo;
-  plo = static_cast<uint64_t>(newval);
-  pmid = static_cast<uint64_t>(newval / 1e32);
-  phi = static_cast<uint64_t>(newval / 1e64);
-  newval = FXSYS_fmod(newval, 1.0f);
-  for (uint8_t iter = 0; iter < scale; iter++) {
-    decimal_helper_mul10(phi, pmid, plo);
-    newval *= 10;
-    plo += static_cast<uint64_t>(newval);
-    newval = FXSYS_fmod(newval, 1.0f);
-  }
-
-  plo += FXSYS_round(newval);
-  decimal_helper_normalize(phi, pmid, plo);
-  m_uHi = static_cast<uint32_t>(phi);
-  m_uMid = static_cast<uint32_t>(pmid);
-  m_uLo = static_cast<uint32_t>(plo);
-  m_uFlags = FXMATH_DECIMAL_MAKEFLAGS(val < 0 && IsNotZero(), scale);
-}
-
-CFX_Decimal::CFX_Decimal(const CFX_WideStringC& strObj) {
-  const wchar_t* str = strObj.c_str();
-  const wchar_t* strBound = str + strObj.GetLength();
-  bool pointmet = false;
-  bool negmet = false;
-  uint8_t scale = 0;
-  m_uHi = 0;
-  m_uMid = 0;
-  m_uLo = 0;
-  while (str != strBound && *str == ' ')
-    str++;
-  if (str != strBound && *str == '-') {
-    negmet = 1;
-    str++;
-  } else if (str != strBound && *str == '+') {
-    str++;
-  }
-
-  while (str != strBound && ((*str >= '0' && *str <= '9') || *str == '.') &&
-         scale < FXMATH_DECIMAL_SCALELIMIT) {
-    if (*str == '.') {
-      if (!pointmet)
-        pointmet = 1;
-    } else {
-      m_uHi = m_uHi * 0xA + FXMATH_DECIMAL_RSHIFT32BIT((uint64_t)m_uMid * 0xA);
-      m_uMid = m_uMid * 0xA + FXMATH_DECIMAL_RSHIFT32BIT((uint64_t)m_uLo * 0xA);
-      m_uLo = m_uLo * 0xA + (*str - '0');
-      if (pointmet)
-        scale++;
-    }
-    str++;
-  }
-  m_uFlags = FXMATH_DECIMAL_MAKEFLAGS(negmet && IsNotZero(), scale);
-}
-
-CFX_Decimal::operator CFX_WideString() const {
-  CFX_WideString retString;
-  CFX_WideString tmpbuf;
-  uint64_t phi = m_uHi;
-  uint64_t pmid = m_uMid;
-  uint64_t plo = m_uLo;
-  while (phi || pmid || plo)
-    tmpbuf += decimal_helper_div10(phi, pmid, plo) + '0';
-
-  uint8_t outputlen = (uint8_t)tmpbuf.GetLength();
-  uint8_t scale = (uint8_t)FXMATH_DECIMAL_FLAGS2SCALE(m_uFlags);
-  while (scale >= outputlen) {
-    tmpbuf += '0';
-    outputlen++;
-  }
-  if (FXMATH_DECIMAL_FLAGS2NEG(m_uFlags) && IsNotZero())
-    retString += '-';
-
-  for (uint8_t idx = 0; idx < outputlen; idx++) {
-    if (idx == (outputlen - scale) && scale != 0)
-      retString += '.';
-    retString += tmpbuf[outputlen - 1 - idx];
-  }
-  return retString;
-}
-
-CFX_Decimal::operator double() const {
-  double pow = (double)(1 << 16) * (1 << 16);
-  double base = static_cast<double>(m_uHi) * pow * pow +
-                static_cast<double>(m_uMid) * pow + static_cast<double>(m_uLo);
-  int8_t scale = FXMATH_DECIMAL_FLAGS2SCALE(m_uFlags);
-  bool bNeg = FXMATH_DECIMAL_FLAGS2NEG(m_uFlags);
-  return (bNeg ? -1 : 1) * base * ::pow(10.0, -scale);
-}
-
-void CFX_Decimal::SetScale(uint8_t newscale) {
-  uint8_t oldscale = FXMATH_DECIMAL_FLAGS2SCALE(m_uFlags);
-  if (newscale > oldscale) {
-    uint64_t phi = m_uHi;
-    uint64_t pmid = m_uMid;
-    uint64_t plo = m_uLo;
-    for (uint8_t iter = 0; iter < newscale - oldscale; iter++)
-      decimal_helper_mul10(phi, pmid, plo);
-
-    m_uHi = static_cast<uint32_t>(phi);
-    m_uMid = static_cast<uint32_t>(pmid);
-    m_uLo = static_cast<uint32_t>(plo);
-    m_uFlags = FXMATH_DECIMAL_MAKEFLAGS(
-        FXMATH_DECIMAL_FLAGS2NEG(m_uFlags) && IsNotZero(), newscale);
-  } else if (newscale < oldscale) {
-    uint64_t phi;
-    uint64_t pmid;
-    uint64_t plo;
-    phi = 0;
-    pmid = 0;
-    plo = 5;
-    for (uint8_t iter = 0; iter < oldscale - newscale - 1; iter++)
-      decimal_helper_mul10(phi, pmid, plo);
-
-    phi += m_uHi;
-    pmid += m_uMid;
-    plo += m_uLo;
-    decimal_helper_normalize(phi, pmid, plo);
-    for (uint8_t iter = 0; iter < oldscale - newscale; iter++)
-      decimal_helper_div10(phi, pmid, plo);
-
-    m_uHi = static_cast<uint32_t>(phi);
-    m_uMid = static_cast<uint32_t>(pmid);
-    m_uLo = static_cast<uint32_t>(plo);
-    m_uFlags = FXMATH_DECIMAL_MAKEFLAGS(
-        FXMATH_DECIMAL_FLAGS2NEG(m_uFlags) && IsNotZero(), newscale);
-  }
-}
-
-uint8_t CFX_Decimal::GetScale() {
-  return FXMATH_DECIMAL_FLAGS2SCALE(m_uFlags);
-}
-
-void CFX_Decimal::SetNegate() {
-  if (IsNotZero())
-    m_uFlags ^= FXMATH_DECIMAL_NEGMASK;
-}
-
-void CFX_Decimal::Swap(CFX_Decimal& val) {
-  std::swap(m_uHi, val.m_uHi);
-  std::swap(m_uMid, val.m_uMid);
-  std::swap(m_uLo, val.m_uLo);
-  std::swap(m_uFlags, val.m_uFlags);
-}
-
-CFX_Decimal CFX_Decimal::operator*(const CFX_Decimal& val) const {
-  uint64_t a[3] = {m_uLo, m_uMid, m_uHi},
-           b[3] = {val.m_uLo, val.m_uMid, val.m_uHi};
-  uint64_t c[6];
-  decimal_helper_raw_mul(a, 3, b, 3, c, 6);
-  bool neg = FXMATH_DECIMAL_FLAGS2NEG(m_uFlags) ^
-             FXMATH_DECIMAL_FLAGS2NEG(val.m_uFlags);
-  uint8_t scale = FXMATH_DECIMAL_FLAGS2SCALE(m_uFlags) +
-                  FXMATH_DECIMAL_FLAGS2SCALE(val.m_uFlags);
-  decimal_helper_shrinkintorange(c, 6, 3, scale);
-  return CFX_Decimal(static_cast<uint32_t>(c[0]), static_cast<uint32_t>(c[1]),
-                     static_cast<uint32_t>(c[2]), neg, scale);
-}
-
-CFX_Decimal CFX_Decimal::operator/(const CFX_Decimal& val) const {
-  if (!val.IsNotZero())
-    return CFX_Decimal();
-
-  bool neg = FXMATH_DECIMAL_FLAGS2NEG(m_uFlags) ^
-             FXMATH_DECIMAL_FLAGS2NEG(val.m_uFlags);
-  uint64_t a[7] = {m_uLo, m_uMid, m_uHi},
-           b[3] = {val.m_uLo, val.m_uMid, val.m_uHi}, c[7] = {0};
-  uint8_t scale = 0;
-  if (FXMATH_DECIMAL_FLAGS2SCALE(m_uFlags) <
-      FXMATH_DECIMAL_FLAGS2SCALE(val.m_uFlags)) {
-    for (int i = FXMATH_DECIMAL_FLAGS2SCALE(val.m_uFlags) -
-                 FXMATH_DECIMAL_FLAGS2SCALE(m_uFlags);
-         i > 0; i--) {
-      decimal_helper_mul10_any(a, 7);
-    }
-  } else {
-    scale = FXMATH_DECIMAL_FLAGS2SCALE(m_uFlags) -
-            FXMATH_DECIMAL_FLAGS2SCALE(val.m_uFlags);
-  }
-
-  uint8_t minscale = scale;
-  if (!IsNotZero())
-    return CFX_Decimal(0, 0, 0, 0, minscale);
-
-  while (!a[6]) {
-    decimal_helper_mul10_any(a, 7);
-    scale++;
-  }
-
-  decimal_helper_div10_any(a, 7);
-  scale--;
-  decimal_helper_raw_div(a, 6, b, 3, c, 7);
-  decimal_helper_shrinkintorange(c, 6, 3, scale);
-  decimal_helper_truncate(c[2], c[1], c[0], scale, minscale);
-  return CFX_Decimal(static_cast<uint32_t>(c[0]), static_cast<uint32_t>(c[1]),
-                     static_cast<uint32_t>(c[2]), neg, scale);
-}