std::collate_byname(3)std::collate_byname(3)NAMEstd::collate_byname-
class collate_byname [22.2.4.2].
SYNOPSIS
Inherits std::collate< _CharT >.
Public Types
typedef _CharT char_type
typedef basic_string< _CharT > string_type
Public Member Functions
template<> int _M_compare (const wchar_t *, const wchar_t *) const
template<> int _M_compare (const char *, const char *) const
int _M_compare (const _CharT *, const _CharT *) const
template<> size_t _M_transform (wchar_t *, const wchar_t *, size_t)
const
template<> size_t _M_transform (char *, const char *, size_t) const
size_t _M_transform (_CharT *, const _CharT *, size_t) const
collate_byname (const char *__s, size_t __refs=0)
int compare (const _CharT *__lo1, const _CharT *__hi1, const _CharT
*__lo2, const _CharT *__hi2) const
long hash (const _CharT *__lo, const _CharT *__hi) const
string_type transform (const _CharT *__lo, const _CharT *__hi) const
Static Public Attributes
static locale::id id
Protected Member Functions
virtual int do_compare (const _CharT *__lo1, const _CharT *__hi1, const
_CharT *__lo2, const _CharT *__hi2) const
virtual long do_hash (const _CharT *__lo, const _CharT *__hi) const
virtual string_type do_transform (const _CharT *__lo, const _CharT
*__hi) const
Static Protected Member Functions
static __c_locale _S_clone_c_locale (__c_locale &__cloc)
static void _S_create_c_locale (__c_locale &__cloc, const char *__s,
__c_locale __old=0)
static void _S_destroy_c_locale (__c_locale &__cloc)
static __c_locale _S_get_c_locale ()
static const char * _S_get_c_name ()
Protected Attributes
__c_locale _M_c_locale_collate
Friends
class locale::_Impl
Detailed Description
template<typename _CharT> class std::collate_byname< _CharT >
class collate_byname [22.2.4.2].
Definition at line 780 of file locale_classes.h.
Member Typedef Documentation
template<typename _CharT > typedef _CharT std::collate_byname< _CharT
>::char_type
Public typedefs.
Reimplemented from std::collate< _CharT >.
Definition at line 785 of file locale_classes.h.
template<typename _CharT > typedef basic_string<_CharT>
std::collate_byname< _CharT >::string_type
Public typedefs.
Reimplemented from std::collate< _CharT >.
Definition at line 786 of file locale_classes.h.
Member Function Documentation
template<typename _CharT> int std::collate< _CharT >::compare (const _CharT
* __lo1, const _CharT * __hi1, const _CharT * __lo2, const _CharT *
__hi2) const [inline, inherited]
Compare two strings. This function compares two strings and returns the
result by calling collate::do_compare().
Parameters:
lo1 Start of string 1.
hi1 End of string 1.
lo2 Start of string 2.
hi2 End of string 2.
Returns:
1 if string1 > string2, -1 if string1 < string2, else 0.
Definition at line 662 of file locale_classes.h.
template<typename _CharT> int std::collate< _CharT >::do_compare (const
_CharT * __lo1, const _CharT * __hi1, const _CharT * __lo2, const
_CharT * __hi2) const [inline, protected, virtual, inherited]
Compare two strings. This function is a hook for derived classes to
change the value returned.
See also:
compare().
Parameters:
lo1 Start of string 1.
hi1 End of string 1.
lo2 Start of string 2.
hi2 End of string 2.
Returns:
1 if string1 > string2, -1 if string1 < string2, else 0.
Definition at line 134 of file locale_classes.tcc.
References std::basic_string< _CharT, _Traits, _Alloc >::c_str(),
std::basic_string< _CharT, _Traits, _Alloc >::data(), and
std::basic_string< _CharT, _Traits, _Alloc >::length().
template<typename _CharT> long std::collate< _CharT >::do_hash (const
_CharT * __lo, const _CharT * __hi) const [inline, protected, virtual,
inherited]
Return hash of a string. This function computes and returns a hash on
the input string. This function is a hook for derived classes to change
the value returned.
Parameters:
lo Start of string.
hi End of string.
Returns:
Hash value.
Definition at line 229 of file locale_classes.tcc.
template<typename _CharT> collate< _CharT >::string_type std::collate<
_CharT >::do_transform (const _CharT * __lo, const _CharT * __hi) const
[inline, protected, virtual, inherited]
Transform string to comparable form. This function is a hook for
derived classes to change the value returned.
Parameters:
lo1 Start of string 1.
hi1 End of string 1.
lo2 Start of string 2.
hi2 End of string 2.
Returns:
1 if string1 > string2, -1 if string1 < string2, else 0.
Definition at line 173 of file locale_classes.tcc.
References std::basic_string< _CharT, _Traits, _Alloc >::append(),
std::basic_string< _CharT, _Traits, _Alloc >::c_str(),
std::basic_string< _CharT, _Traits, _Alloc >::data(),
std::basic_string< _CharT, _Traits, _Alloc >::length(), and
std::basic_string< _CharT, _Traits, _Alloc >::push_back().
template<typename _CharT> long std::collate< _CharT >::hash (const _CharT *
__lo, const _CharT * __hi) const [inline, inherited]
Return hash of a string. This function computes and returns a hash on
the input string. It does so by returning collate::do_hash().
Parameters:
lo Start of string.
hi End of string.
Returns:
Hash value.
Definition at line 695 of file locale_classes.h.
template<typename _CharT> string_type std::collate< _CharT >::transform
(const _CharT * __lo, const _CharT * __hi) const [inline, inherited]
Transform string to comparable form. This function is a wrapper for
strxfrm functionality. It takes the input string and returns a modified
string that can be directly compared to other transformed strings. In
the 'C' locale, this function just returns a copy of the input string.
In some other locales, it may replace two chars with one, change a char
for another, etc. It does so by returning collate::do_transform().
Parameters:
lo Start of string.
hi End of string.
Returns:
Transformed string_type.
Definition at line 681 of file locale_classes.h.
Referenced by std::regex_traits< _Ch_type >::transform().
Member Data Documentation
template<typename _CharT> locale::id std::collate< _CharT >::id [inline,
static, inherited]
Numpunct facet id.
Definition at line 621 of file locale_classes.h.
Author
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libstdc++ 22 Nov 2013 std::collate_byname(3)
