rlm@1: // Common/StringToInt.cpp
rlm@1: 
rlm@1: #include "StdAfx.h"
rlm@1: 
rlm@1: #include "StringToInt.h"
rlm@1: 
rlm@1: UInt64 ConvertStringToUInt64(const char *s, const char **end)
rlm@1: {
rlm@1:   UInt64 result = 0;
rlm@1:   for (;;)
rlm@1:   {
rlm@1:     char c = *s;
rlm@1:     if (c < '0' || c > '9')
rlm@1:     {
rlm@1:       if (end != NULL)
rlm@1:         *end = s;
rlm@1:       return result;
rlm@1:     }
rlm@1:     result *= 10;
rlm@1:     result += (c - '0');
rlm@1:     s++;
rlm@1:   }
rlm@1: }
rlm@1: 
rlm@1: UInt64 ConvertOctStringToUInt64(const char *s, const char **end)
rlm@1: {
rlm@1:   UInt64 result = 0;
rlm@1:   for (;;)
rlm@1:   {
rlm@1:     char c = *s;
rlm@1:     if (c < '0' || c > '7')
rlm@1:     {
rlm@1:       if (end != NULL)
rlm@1:         *end = s;
rlm@1:       return result;
rlm@1:     }
rlm@1:     result <<= 3;
rlm@1:     result += (c - '0');
rlm@1:     s++;
rlm@1:   }
rlm@1: }
rlm@1: 
rlm@1: UInt64 ConvertHexStringToUInt64(const char *s, const char **end)
rlm@1: {
rlm@1:   UInt64 result = 0;
rlm@1:   for (;;)
rlm@1:   {
rlm@1:     char c = *s;
rlm@1:     UInt32 v;
rlm@1:     if (c >= '0' && c <= '9') v = (c - '0');
rlm@1:     else if (c >= 'A' && c <= 'F') v = 10 + (c - 'A');
rlm@1:     else if (c >= 'a' && c <= 'f') v = 10 + (c - 'a');
rlm@1:     else
rlm@1:     {
rlm@1:       if (end != NULL)
rlm@1:         *end = s;
rlm@1:       return result;
rlm@1:     }
rlm@1:     result <<= 4;
rlm@1:     result |= v;
rlm@1:     s++;
rlm@1:   }
rlm@1: }
rlm@1: 
rlm@1: 
rlm@1: UInt64 ConvertStringToUInt64(const wchar_t *s, const wchar_t **end)
rlm@1: {
rlm@1:   UInt64 result = 0;
rlm@1:   for (;;)
rlm@1:   {
rlm@1:     wchar_t c = *s;
rlm@1:     if (c < '0' || c > '9')
rlm@1:     {
rlm@1:       if (end != NULL)
rlm@1:         *end = s;
rlm@1:       return result;
rlm@1:     }
rlm@1:     result *= 10;
rlm@1:     result += (c - '0');
rlm@1:     s++;
rlm@1:   }
rlm@1: }
rlm@1: 
rlm@1: 
rlm@1: Int64 ConvertStringToInt64(const char *s, const char **end)
rlm@1: {
rlm@1:   if (*s == '-')
rlm@1:     return -(Int64)ConvertStringToUInt64(s + 1, end);
rlm@1:   return ConvertStringToUInt64(s, end);
rlm@1: }