Merge "BigInteger class implementation" into tizen

[platform/framework/native/appfw.git] / src / base / FBaseInteger.cpp

diff --git a/src/base/FBaseInteger.cpp b/src/base/FBaseInteger.cpp
index 244374c..49d0276 100644 (file)
--- a/src/base/FBaseInteger.cpp
+++ b/src/base/FBaseInteger.cpp
@@ -1,5 +1,4 @@
 //
-// Open Service Platform
 // Copyright (c) 2012 Samsung Electronics Co., Ltd.
 //
 // Licensed under the Apache License, Version 2.0 (the License);
@@ -20,7 +19,6 @@
  * @brief              This is the implementation file for Integer class.
  * @see                        Number
  */
-
 #include <wchar.h>
 #include <limits.h>
 #include <errno.h>
@@ -28,6 +26,7 @@
 #include <FBaseResult.h>
 #include <FBaseCharacter.h>
 #include <FBaseSysLog.h>
+#include "FBase_NumberUtil.h"
 
 namespace Tizen { namespace Base
 {
@@ -74,7 +73,7 @@ Integer::CompareTo(const Integer& value) const
 bool
 Integer::Equals(const Object& obj) const
 {
-       const Integer* pOther = dynamic_cast <const Integer*>(&obj);
+       const Integer* pOther = dynamic_cast< const Integer* >(&obj);
        if (pOther == null)
        {
                return false;
@@ -86,45 +85,11 @@ Integer::Equals(const Object& obj) const
 result
 Integer::Decode(const String& s, int& ret)
 {
-       SysTryReturn(NID_BASE, s.GetLength() >= 1, E_NUM_FORMAT, E_NUM_FORMAT,
-               "[%s] The length of s MUST be greater than 0.", GetErrorMessage(E_NUM_FORMAT));
-
-       int radix = 0;
-       wchar_t* pEnd = null;
-       String str(s);
-
-       // Find radix
-       if (s[0] == L'#')
-       {
-               radix = Character::RADIX_HEXADECIMAL;
-
-               // Remove '#'
-               str.Remove(0, 1);
-       }
-       else if (s[0] == L'0' && (s.GetLength() >= 2))
-       {
-               if (s[1] == L'x' || s[1] == L'X')
-               {
-                       radix = Character::RADIX_HEXADECIMAL;
-               }
-               else
-               {
-                       radix = Character::RADIX_OCTAL;
-               }
-       }
-       else
-       {
-               radix = Character::RADIX_DECIMAL;
-       }
-
-       errno = 0;
-       ret = wcstol(str.GetPointer(), &pEnd, radix);
-       SysTryReturn(NID_BASE, (pEnd[0] == 0), E_NUM_FORMAT, E_NUM_FORMAT,
-               "[%s] Integer decode failed. Scan stopped at (%ls).", GetErrorMessage(E_NUM_FORMAT), pEnd);
-       SysTryReturn(NID_BASE, !((ret == LONG_MAX || ret == LONG_MIN) && (errno != 0)), E_NUM_FORMAT, E_NUM_FORMAT,
-               "[%s] Decoded value cannot fit into an Integer.", GetErrorMessage(E_NUM_FORMAT));
-
-       return E_SUCCESS;
+       long value;
+       result r = _NumberUtil::Decode(s, value);
+       SysTryReturnResult(NID_BASE, r == E_SUCCESS, r, "Propagating.");
+       ret = static_cast< int >(value);
+       return r;
 }
 
 int
@@ -142,47 +107,35 @@ Integer::GetHashCode(int val)
 result
 Integer::Parse(const String& s, int& ret)
 {
-       int len = s.GetLength();
-       SysTryReturn(NID_BASE, (len > 0 && len < 12), E_NUM_FORMAT, E_NUM_FORMAT,
-               "[%s] The length of s(%ls) MUST be greater than 0 and less than 12.",
-               GetErrorMessage(E_NUM_FORMAT), s.GetPointer());
-
        return Parse(s, Character::RADIX_DECIMAL, ret);
 }
 
 result
 Integer::Parse(const String& s, int radix, int& ret)
 {
-       SysTryReturn(NID_BASE, ((radix == Character::RADIX_BINARY) || (radix == Character::RADIX_OCTAL) ||
-               (radix == Character::RADIX_DECIMAL) || (radix == Character::RADIX_HEXADECIMAL)), E_OUT_OF_RANGE, E_OUT_OF_RANGE,
-               "[%s] The radix(%d) MUST be one of 2, 8, 10 and 16.", GetErrorMessage(E_OUT_OF_RANGE), radix);
-
-       int len = s.GetLength();
-       SysTryReturn(NID_BASE, (len > 0), E_NUM_FORMAT, E_NUM_FORMAT, "[%s] The length of s MUST be greater than 0.",
-               GetErrorMessage(E_NUM_FORMAT));
-
-       errno = 0;
-       wchar_t* pEnd = null;
-       int tmpRet = wcstol(s.GetPointer(), &pEnd, radix);
-       SysTryReturn(NID_BASE, (pEnd[0] == 0), E_NUM_FORMAT, E_NUM_FORMAT,
-               "[%s] Integer parse failed. Scan stopped at (%ls).", GetErrorMessage(E_NUM_FORMAT), pEnd);
-       SysTryReturn(NID_BASE, !((tmpRet == LONG_MAX || tmpRet == LONG_MIN) && (errno != 0)), E_NUM_FORMAT, E_NUM_FORMAT,
-               "[%s] Parsed value cannot fit into an Integer.", GetErrorMessage(E_NUM_FORMAT));
-
-       ret = tmpRet;
+       long value;
+       result r = _NumberUtil::Parse(s, radix, value);
+       SysTryReturnResult(NID_BASE, r == E_SUCCESS, r, "Propagating.");
+       ret = static_cast< int >(value);
        return E_SUCCESS;
 }
 
 char
 Integer::ToChar(void) const
 {
-       return static_cast<char> (value);
+       return static_cast< char >(value);
+}
+
+int8_t
+Integer::ToInt8(void) const
+{
+       return static_cast< int8_t >(value);
 }
 
 short
 Integer::ToShort(void) const
 {
-       return static_cast<short> (value);
+       return static_cast< short >(value);
 }
 
 int
@@ -194,25 +147,25 @@ Integer::ToInt(void) const
 long
 Integer::ToLong(void) const
 {
-       return static_cast<long> (value);
+       return static_cast< long >(value);
 }
 
 long long
 Integer::ToLongLong(void) const
 {
-       return static_cast<long long> (value);
+       return static_cast< long long >(value);
 }
 
 float
 Integer::ToFloat(void) const
 {
-       return static_cast<float> (value);
+       return static_cast< float >(value);
 }
 
 double
 Integer::ToDouble(void) const
 {
-       return static_cast<double> (value);
+       return static_cast< double >(value);
 }
 
 String