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-rw-r--r--core/fxcrt/cfx_datetime.cpp129
-rw-r--r--core/fxcrt/cfx_datetime.h103
-rw-r--r--core/fxcrt/cfx_decimal.cpp471
-rw-r--r--core/fxcrt/cfx_decimal.h42
-rw-r--r--core/fxcrt/ifx_locale.h76
5 files changed, 821 insertions, 0 deletions
diff --git a/core/fxcrt/cfx_datetime.cpp b/core/fxcrt/cfx_datetime.cpp
new file mode 100644
index 0000000000..dcf25d5463
--- /dev/null
+++ b/core/fxcrt/cfx_datetime.cpp
@@ -0,0 +1,129 @@
+// 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 "core/fxcrt/cfx_datetime.h"
+#include "core/fxcrt/fx_system.h"
+
+#if _FX_OS_ == _FX_LINUX_DESKTOP_ || _FX_OS_ == _FX_ANDROID_ || \
+ _FX_OS_ == _FX_MACOSX_ || _FX_OS_ == _FX_IOS_
+#include <sys/time.h>
+#include <time.h>
+#endif
+
+namespace {
+
+const uint8_t g_FXDaysPerMonth[12] = {31, 28, 31, 30, 31, 30,
+ 31, 31, 30, 31, 30, 31};
+const uint8_t g_FXDaysPerLeapMonth[12] = {31, 29, 31, 30, 31, 30,
+ 31, 31, 30, 31, 30, 31};
+const int32_t g_FXDaysBeforeMonth[12] = {0, 31, 59, 90, 120, 151,
+ 181, 212, 243, 273, 304, 334};
+const int32_t g_FXDaysBeforeLeapMonth[12] = {0, 31, 60, 91, 121, 152,
+ 182, 213, 244, 274, 305, 335};
+const int32_t g_FXDaysPerYear = 365;
+const int32_t g_FXDaysPerLeapYear = 366;
+
+int32_t DaysBeforeMonthInYear(int32_t iYear, uint8_t iMonth) {
+ ASSERT(iYear != 0);
+ ASSERT(iMonth >= 1 && iMonth <= 12);
+
+ const int32_t* p =
+ FX_IsLeapYear(iYear) ? g_FXDaysBeforeLeapMonth : g_FXDaysBeforeMonth;
+ return p[iMonth - 1];
+}
+
+int32_t DaysInYear(int32_t iYear) {
+ ASSERT(iYear != 0);
+ return FX_IsLeapYear(iYear) ? g_FXDaysPerLeapYear : g_FXDaysPerYear;
+}
+
+int64_t DateToDays(int32_t iYear,
+ uint8_t iMonth,
+ uint8_t iDay,
+ bool bIncludeThisDay) {
+ ASSERT(iYear != 0);
+ ASSERT(iMonth >= 1 && iMonth <= 12);
+ ASSERT(iDay >= 1 && iDay <= FX_DaysInMonth(iYear, iMonth));
+
+ int64_t iDays = DaysBeforeMonthInYear(iYear, iMonth);
+ iDays += iDay;
+ if (!bIncludeThisDay)
+ iDays--;
+
+ if (iYear > 0) {
+ iYear--;
+ } else {
+ iDays -= DaysInYear(iYear);
+ iYear++;
+ }
+ return iDays + static_cast<int64_t>(iYear) * 365 + iYear / 4 - iYear / 100 +
+ iYear / 400;
+}
+
+struct FXUT_SYSTEMTIME {
+ uint16_t wYear;
+ uint16_t wMonth;
+ uint16_t wDayOfWeek;
+ uint16_t wDay;
+ uint16_t wHour;
+ uint16_t wMinute;
+ uint16_t wSecond;
+ uint16_t wMillisecond;
+};
+
+} // namespace
+
+uint8_t FX_DaysInMonth(int32_t iYear, uint8_t iMonth) {
+ ASSERT(iYear != 0);
+ ASSERT(iMonth >= 1 && iMonth <= 12);
+
+ const uint8_t* p =
+ FX_IsLeapYear(iYear) ? g_FXDaysPerLeapMonth : g_FXDaysPerMonth;
+ return p[iMonth - 1];
+}
+
+bool FX_IsLeapYear(int32_t iYear) {
+ ASSERT(iYear != 0);
+ return ((iYear % 4) == 0 && (iYear % 100) != 0) || (iYear % 400) == 0;
+}
+
+void CFX_DateTime::Now() {
+ FXUT_SYSTEMTIME utLocal;
+#if _FX_OS_ == _FX_WIN32_DESKTOP_ || _FX_OS_ == _FX_WIN32_MOBILE_ || \
+ _FX_OS_ == _FX_WIN64_
+ ::GetLocalTime((LPSYSTEMTIME)&utLocal);
+#elif _FX_OS_ != _FX_EMBEDDED_
+ timeval curTime;
+ gettimeofday(&curTime, nullptr);
+
+ struct tm st;
+ localtime_r(&curTime.tv_sec, &st);
+ utLocal.wYear = st.tm_year + 1900;
+ utLocal.wMonth = st.tm_mon + 1;
+ utLocal.wDayOfWeek = st.tm_wday;
+ utLocal.wDay = st.tm_mday;
+ utLocal.wHour = st.tm_hour;
+ utLocal.wMinute = st.tm_min;
+ utLocal.wSecond = st.tm_sec;
+ utLocal.wMillisecond = curTime.tv_usec / 1000;
+#endif // _FX_OS_ == _FX_WIN32_DESKTOP_ || _FX_OS_ == _FX_WIN32_MOBILE_ || \
+ // _FX_OS_ == _FX_WIN64_
+
+ year_ = utLocal.wYear;
+ month_ = static_cast<uint8_t>(utLocal.wMonth);
+ day_ = static_cast<uint8_t>(utLocal.wDay);
+ hour_ = static_cast<uint8_t>(utLocal.wHour);
+ minute_ = static_cast<uint8_t>(utLocal.wMinute);
+ second_ = static_cast<uint8_t>(utLocal.wSecond);
+ millisecond_ = static_cast<uint16_t>(utLocal.wMillisecond);
+}
+
+int32_t CFX_DateTime::GetDayOfWeek() const {
+ int32_t v = static_cast<int32_t>(DateToDays(year_, month_, day_, true) % 7);
+ if (v < 0)
+ v += 7;
+ return v;
+}
diff --git a/core/fxcrt/cfx_datetime.h b/core/fxcrt/cfx_datetime.h
new file mode 100644
index 0000000000..2de75c4e38
--- /dev/null
+++ b/core/fxcrt/cfx_datetime.h
@@ -0,0 +1,103 @@
+// 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_CFX_DATETIME_H_
+#define CORE_FXCRT_CFX_DATETIME_H_
+
+#include "core/fxcrt/fx_system.h"
+
+bool FX_IsLeapYear(int32_t iYear);
+uint8_t FX_DaysInMonth(int32_t iYear, uint8_t iMonth);
+
+class CFX_DateTime {
+ public:
+ CFX_DateTime()
+ : year_(0),
+ month_(0),
+ day_(0),
+ hour_(0),
+ minute_(0),
+ second_(0),
+ millisecond_(0) {}
+ CFX_DateTime(int32_t year,
+ uint8_t month,
+ uint8_t day,
+ uint8_t hour,
+ uint8_t minute,
+ uint8_t second,
+ uint16_t millisecond)
+ : year_(year),
+ month_(month),
+ day_(day),
+ hour_(hour),
+ minute_(minute),
+ second_(second),
+ millisecond_(millisecond) {}
+
+ void Now();
+
+ void Reset() {
+ year_ = 0;
+ month_ = 0;
+ day_ = 0;
+ hour_ = 0;
+ minute_ = 0;
+ second_ = 0;
+ millisecond_ = 0;
+ }
+
+ bool IsSet() const {
+ return year_ != 0 || month_ != 0 || day_ != 0 || hour_ != 0 ||
+ minute_ != 0 || second_ != 0 || millisecond_ != 0;
+ }
+
+ void SetDate(int32_t year, uint8_t month, uint8_t day) {
+ year_ = year;
+ month_ = month;
+ day_ = day;
+ }
+
+ void SetTime(uint8_t hour,
+ uint8_t minute,
+ uint8_t second,
+ uint16_t millisecond) {
+ hour_ = hour;
+ minute_ = minute;
+ second_ = second;
+ millisecond_ = millisecond;
+ }
+
+ int32_t GetYear() const { return year_; }
+ uint8_t GetMonth() const { return month_; }
+ uint8_t GetDay() const { return day_; }
+ uint8_t GetHour() const { return hour_; }
+ uint8_t GetMinute() const { return minute_; }
+ uint8_t GetSecond() const { return second_; }
+ uint16_t GetMillisecond() const { return millisecond_; }
+ int32_t GetDayOfWeek() const;
+
+ private:
+ int32_t year_;
+ uint8_t month_;
+ uint8_t day_;
+ uint8_t hour_;
+ uint8_t minute_;
+ uint8_t second_;
+ uint16_t millisecond_;
+};
+
+#if _FX_OS_ != _FX_ANDROID_
+#pragma pack(push, 1)
+#endif
+struct FX_TIMEZONE {
+ int8_t tzHour;
+ uint8_t tzMinute;
+};
+#if _FX_OS_ != _FX_ANDROID_
+#pragma pack(pop)
+#endif
+
+#endif // CORE_FXCRT_CFX_DATETIME_H_
diff --git a/core/fxcrt/cfx_decimal.cpp b/core/fxcrt/cfx_decimal.cpp
new file mode 100644
index 0000000000..1baa6896a3
--- /dev/null
+++ b/core/fxcrt/cfx_decimal.cpp
@@ -0,0 +1,471 @@
+// 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 "core/fxcrt/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);
+}
diff --git a/core/fxcrt/cfx_decimal.h b/core/fxcrt/cfx_decimal.h
new file mode 100644
index 0000000000..544280444a
--- /dev/null
+++ b/core/fxcrt/cfx_decimal.h
@@ -0,0 +1,42 @@
+// 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
+
+#ifndef CORE_FXCRT_CFX_DECIMAL_H_
+#define CORE_FXCRT_CFX_DECIMAL_H_
+
+#include "core/fxcrt/fx_string.h"
+
+class CFX_Decimal {
+ public:
+ CFX_Decimal();
+ explicit CFX_Decimal(uint32_t val);
+ explicit CFX_Decimal(uint64_t val);
+ explicit CFX_Decimal(int32_t val);
+ CFX_Decimal(float val, uint8_t scale);
+ explicit CFX_Decimal(const CFX_WideStringC& str);
+
+ operator CFX_WideString() const;
+ operator double() const;
+
+ CFX_Decimal operator*(const CFX_Decimal& val) const;
+ CFX_Decimal operator/(const CFX_Decimal& val) const;
+
+ void SetScale(uint8_t newScale);
+ uint8_t GetScale();
+ void SetNegate();
+
+ private:
+ CFX_Decimal(uint32_t hi, uint32_t mid, uint32_t lo, bool neg, uint8_t scale);
+ bool IsNotZero() const { return m_uHi || m_uMid || m_uLo; }
+ void Swap(CFX_Decimal& val);
+
+ uint32_t m_uHi;
+ uint32_t m_uLo;
+ uint32_t m_uMid;
+ uint32_t m_uFlags;
+};
+
+#endif // CORE_FXCRT_CFX_DECIMAL_H_
diff --git a/core/fxcrt/ifx_locale.h b/core/fxcrt/ifx_locale.h
new file mode 100644
index 0000000000..5039aec6f0
--- /dev/null
+++ b/core/fxcrt/ifx_locale.h
@@ -0,0 +1,76 @@
+// 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_IFX_LOCALE_H_
+#define CORE_FXCRT_IFX_LOCALE_H_
+
+#include "core/fxcrt/cfx_datetime.h"
+#include "core/fxcrt/fx_string.h"
+
+enum FX_LOCALENUMSYMBOL {
+ FX_LOCALENUMSYMBOL_Decimal,
+ FX_LOCALENUMSYMBOL_Grouping,
+ FX_LOCALENUMSYMBOL_Percent,
+ FX_LOCALENUMSYMBOL_Minus,
+ FX_LOCALENUMSYMBOL_Zero,
+ FX_LOCALENUMSYMBOL_CurrencySymbol,
+ FX_LOCALENUMSYMBOL_CurrencyName,
+};
+
+enum FX_LOCALEDATETIMESUBCATEGORY {
+ FX_LOCALEDATETIMESUBCATEGORY_Default,
+ FX_LOCALEDATETIMESUBCATEGORY_Short,
+ FX_LOCALEDATETIMESUBCATEGORY_Medium,
+ FX_LOCALEDATETIMESUBCATEGORY_Full,
+ FX_LOCALEDATETIMESUBCATEGORY_Long,
+};
+
+enum FX_LOCALENUMSUBCATEGORY {
+ FX_LOCALENUMPATTERN_Percent,
+ FX_LOCALENUMPATTERN_Currency,
+ FX_LOCALENUMPATTERN_Decimal,
+ FX_LOCALENUMPATTERN_Integer,
+};
+
+enum FX_LOCALECATEGORY {
+ FX_LOCALECATEGORY_Unknown,
+ FX_LOCALECATEGORY_Date,
+ FX_LOCALECATEGORY_Time,
+ FX_LOCALECATEGORY_DateTime,
+ FX_LOCALECATEGORY_Num,
+ FX_LOCALECATEGORY_Text,
+ FX_LOCALECATEGORY_Zero,
+ FX_LOCALECATEGORY_Null,
+};
+
+enum FX_DATETIMETYPE {
+ FX_DATETIMETYPE_Unknown,
+ FX_DATETIMETYPE_Date,
+ FX_DATETIMETYPE_Time,
+ FX_DATETIMETYPE_DateTime,
+ FX_DATETIMETYPE_TimeDate,
+};
+
+class IFX_Locale {
+ public:
+ virtual ~IFX_Locale() {}
+
+ virtual CFX_WideString GetName() const = 0;
+ virtual CFX_WideString GetNumbericSymbol(FX_LOCALENUMSYMBOL eType) const = 0;
+ virtual CFX_WideString GetDateTimeSymbols() const = 0;
+ virtual CFX_WideString GetMonthName(int32_t nMonth, bool bAbbr) const = 0;
+ virtual CFX_WideString GetDayName(int32_t nWeek, bool bAbbr) const = 0;
+ virtual CFX_WideString GetMeridiemName(bool bAM) const = 0;
+ virtual FX_TIMEZONE GetTimeZone() const = 0;
+ virtual CFX_WideString GetEraName(bool bAD) const = 0;
+ virtual CFX_WideString GetDatePattern(
+ FX_LOCALEDATETIMESUBCATEGORY eType) const = 0;
+ virtual CFX_WideString GetTimePattern(
+ FX_LOCALEDATETIMESUBCATEGORY eType) const = 0;
+ virtual CFX_WideString GetNumPattern(FX_LOCALENUMSUBCATEGORY eType) const = 0;
+};
+
+#endif // CORE_FXCRT_IFX_LOCALE_H_
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-16 10:04:38 +0000