1 /*

     2  * Copyright (c) 1999

     3  * Silicon Graphics Computer Systems, Inc.

     4  *

     5  * Copyright (c) 1999 

     6  * Boris Fomitchev

     7  *

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

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

    10  *

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

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

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

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

    15  * modified is included with the above copyright notice.

    16  *

    17  */ 

    18 # include "stlport_prefix.h"

    19 

    20 #include "stl/_collate.h"

    21 

    22 _STLP_BEGIN_NAMESPACE

    23 

    24 // collate<char>

    25 

    26 _STLP_EXP_DECLSPEC collate<char>::~collate() {}

    27 

    28 _STLP_EXP_DECLSPEC int collate<char>::do_compare(const char* low1, const char* high1,

    29                               const char* low2, const char* high2) const

    30 {

    31   return __lexicographical_compare_3way(low1, high1, low2, high2);

    32 }

    33 

    34 _STLP_EXP_DECLSPEC string collate<char>::do_transform(const char* low, const char* high) const

    35 {

    36   return string(low, high);

    37 }

    38 

    39 _STLP_EXP_DECLSPEC long collate<char>::do_hash(const char* low, const char* high) const {

    40   unsigned long result = 0;

    41   for ( ; low < high; ++low)

    42     result = 5 * result + *low;

    43   return result;

    44 }

    45 

    46 

    47 

    48 

    49 # ifndef _STLP_NO_WCHAR_T

    50 // collate<wchar_t>

    51 

    52 _STLP_EXP_DECLSPEC collate<wchar_t>::~collate() {}

    53 

    54 int

    55 _STLP_EXP_DECLSPEC collate<wchar_t>::do_compare(const wchar_t* low1, const wchar_t* high1,

    56                              const wchar_t* low2, const wchar_t* high2) const

    57 {

    58   return __lexicographical_compare_3way(low1, high1, low2, high2);

    59 }

    60 

    61 

    62 wstring

    63 _STLP_EXP_DECLSPEC collate<wchar_t>::do_transform(const wchar_t* low, const wchar_t* high) const

    64 {

    65   return wstring(low, high);

    66 }

    67 

    68 _STLP_EXP_DECLSPEC long collate<wchar_t>::do_hash(const wchar_t* low, const wchar_t* high) const

    69 {

    70   unsigned long result = 0;

    71   for ( ; low < high; ++low)

    72     result = 5 * result + *low;

    73   return result;

    74 }

    75 # endif

    76 

    77 _STLP_END_NAMESPACE

    78 

    79 

    80 // Local Variables:

    81 // mode:C++

    82 // End:

    83