/*

 * © Portions copyright (c) 2006-2007 Nokia Corporation.  All rights reserved.

 *

 * Copyright (c) 1999

 * Silicon Graphics Computer Systems, Inc.

 *

 * Copyright (c) 1999 

 * Boris Fomitchev

 *

 * This material is provided "as is", with absolutely no warranty expressed

 * or implied. Any use is at your own risk.

 *

 * Permission to use or copy this software for any purpose is hereby granted 

 * without fee, provided the above notices are retained on all copies.

 * Permission to modify the code and to distribute modified code is granted,

 * provided the above notices are retained, and a notice that the code was

 * modified is included with the above copyright notice.

 *

 */ 

# include "stlport_prefix.h"

#include <stl/_num_get.h>

#include <stl/_istream.h>

#include <stl/_algo.h>

#if defined(__LIBSTD_CPP_SYMBIAN32_WSD__) || defined(_STLP_LIBSTD_CPP_NO_STATIC_VAR_)

#include "libstdcppwsd.h"

# endif

_STLP_BEGIN_NAMESPACE

//----------------------------------------------------------------------

// num_get

#if defined(__LIBSTD_CPP_SYMBIAN32_WSD__) || defined(_STLP_LIBSTD_CPP_NO_STATIC_VAR_)

//initialize the static array

void num_get_array_init()

{

	strcpy(get_num_get_narrow_digits(),"0123456789");

	strcpy(get_num_get_narrow_xdigits(),"aAbBcCdDeEfF");	

}

# else

static char narrow_digits[11]  = "0123456789";

static char narrow_xdigits[13] = "aAbBcCdDeEfF";

# endif

# ifndef _STLP_NO_WCHAR_T 

void  _STLP_CALL

_Initialize_get_digit(wchar_t* digits, wchar_t* xdigits,

                       const ctype<wchar_t>& ct)

{

#if defined(__LIBSTD_CPP_SYMBIAN32_WSD__) || defined(_STLP_LIBSTD_CPP_NO_STATIC_VAR_)

  ct.widen(get_num_get_narrow_digits() + 0,  get_num_get_narrow_digits() + 10,  digits);

  ct.widen(get_num_get_narrow_xdigits() + 0, get_num_get_narrow_xdigits() + 10, xdigits);

#else

  ct.widen(narrow_digits + 0,  narrow_digits + 10,  digits);

  ct.widen(narrow_xdigits + 0, narrow_xdigits + 10, xdigits);

# endif  

}

// Return either the digit corresponding to c, or a negative number if

// if c isn't a digit.  We return -1 if c is the separator character, and

// -2 if it's some other non-digit.

int _STLP_CALL __get_digit(wchar_t c,

                           const wchar_t* digits, const wchar_t* xdigits,

                           wchar_t separator)

{

  // Test if it's the separator.

  if (c == separator)

    return -1;

  const wchar_t* p;

  // Test if it's a decimal digit.

  p = find(digits, digits + 10, c);

  if (p != digits + 10)

    return (int)(p - digits);

  // Test if it's a hex digit.

  p = find(xdigits, xdigits + 12, c);

  if (p != xdigits + 12)

    return (int)(10 + (xdigits - p) / 2);

  else

    return -2;                  // It's not a digit and not the separator.

}

# endif /* _STLP_NO_WCHAR_T */

// __valid_grouping compares two strings, one representing the

// group sizes encountered when reading an integer, and the other

// representing the valid group sizes as returned by the numpunct

// grouping() member function.  Both are interpreted right-to-left.

// The grouping string is treated as if it were extended indefinitely

// with its last value.  For a grouping to be valid, each term in

// the first string must be equal to the corresponding term in the

// second, except for the last, which must be less than or equal.

// boris : this takes reversed first string !

_STLP_EXP_DECLSPEC bool  _STLP_CALL

__valid_grouping(const char * first1, const char * last1, 

                 const char * first2, const char * last2)

{

  if (first1 == last1 || first2 == last2) return true;

  --last1; --last2;

  while (first1 != last1) {

    if (*last1 != *first2)

      return false;

    --last1;

    if (first2 != last2) ++first2;

  }

  return *last1 <= *first2;

}

// this needed for some compilers to make sure sumbols are extern

extern const unsigned char __digit_val_table[];

extern const char __narrow_atoms[];

const unsigned char __digit_val_table[128] = 

{

  0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,

  0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,

  0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,

   0, 1, 2, 3, 4, 5, 6, 7, 8, 9,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,

  0xFF,10,11,12,13,14,15,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,

  0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,

  0xFF,10,11,12,13,14,15,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,

  0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF

};     

const char __narrow_atoms[5] = {'+', '-', '0', 'x', 'X'};

_STLP_EXP_DECLSPEC unsigned char* _STLP_CALL __get_digit_val_table(void)

{

	return (unsigned char*)__digit_val_table;

}

_STLP_EXP_DECLSPEC char* _STLP_CALL __get_narrow_atoms(void)

{

	return (char*)__narrow_atoms;

}

// index is actually a char

# ifndef _STLP_NO_WCHAR_T

//----------------------------------------------------------------------

// Force instantiation of of num_get<>

#if !defined(_STLP_NO_FORCE_INSTANTIATE)

template class _STLP_CLASS_DECLSPEC  istreambuf_iterator<wchar_t, char_traits<wchar_t> >;

template class num_get<wchar_t, istreambuf_iterator<wchar_t, char_traits<wchar_t> > >;

// template class num_get<wchar_t, const wchar_t*>;

#endif

# endif /* _STLP_NO_WCHAR_T */

//----------------------------------------------------------------------

// Force instantiation of of num_get<>

#if !defined(_STLP_NO_FORCE_INSTANTIATE)

template class _STLP_CLASS_DECLSPEC istreambuf_iterator<char, char_traits<char> >;

// template class num_get<char, const char*>;

template class num_get<char, istreambuf_iterator<char, char_traits<char> > >;

#endif

// basic_streambuf<char, char_traits<char> >* _STLP_CALL _M_get_istreambuf(basic_istream<char, char_traits<char> >& ) ;

_STLP_END_NAMESPACE

// Local Variables:

// mode:C++

// End: