_collate.h

Go to the documentation of this file.

 
#ifndef _RWSTD_LOC_COLLATE_H_INCLUDED
#define _RWSTD_LOC_COLLATE_H_INCLUDED
 
 
#if __GNUG__ >= 3
#  pragma GCC system_header
#endif   // gcc >= 3
 
 
#include <string>
#include <loc/_facet.h>
#include <rw/_defs.h>
 
 
_RWSTD_NAMESPACE (std) { 
 
 
_EXPORT
template <class _CharT>
class collate;
 
 
#ifndef _RWSTD_NO_EXT_COLLATE_PRIMARY
 
_EXPORT
template <class _CharT>
class collate: public _RW::__rw_facet
{
public:
    typedef _CharT char_type;
    typedef basic_string<char_type, char_traits<char_type>,
                         allocator<char_type> >
    string_type;
 
    explicit collate (_RWSTD_SIZE_T __refs = 0)
        : _RW::__rw_facet (__refs) { }
 
    virtual ~collate () _RWSTD_ATTRIBUTE_NOTHROW;
 
    int
    compare (const char_type* __low1, const char_type* __high1,
             const char_type* __low2, const char_type* __high2) const {
        return do_compare (__low1, __high1, __low2, __high2);
    }
 
    string_type
    transform (const char_type* __low, const char_type* __high) const {
        return do_transform (__low, __high);
    }
 
    long
    hash (const char_type* __low, const char_type* __high) const {
        return do_hash (__low, __high);
    }
 
    static _RW::__rw_facet_id id;
 
protected:
 
    // protected virtual members are not defined
    virtual int
    do_compare (const char_type*, const char_type*,
                const char_type*, const char_type*) const;
        
    virtual string_type
    do_transform (const char_type*, const char_type*) const;
 
    virtual long
    do_hash (const char_type*, const char_type*) const;
};
 
#endif   // _RWSTD_NO_EXT_COLLATE_PRIMARY
 
 
_RWSTD_SPECIALIZED_CLASS
class _RWSTD_EXPORT collate<char>: public _RW::__rw_facet
{
public:
    typedef char char_type;
    typedef basic_string<char_type, char_traits<char_type>,
                         allocator<char_type> >
    string_type;
 
    explicit collate (_RWSTD_SIZE_T __refs = 0)
        : _RW::__rw_facet (__refs) { }
 
    virtual ~collate () _RWSTD_ATTRIBUTE_NOTHROW;
 
    int
    compare (const char_type* __low1, const char_type* __high1,
             const char_type* __low2, const char_type* __high2) const {
        return do_compare (__low1, __high1, __low2, __high2);
    }
 
    string_type
    transform (const char_type* __low, const char_type* __high) const {
        return do_transform (__low, __high);
    }
 
    long
    hash (const char_type* __low, const char_type* __high) const {
        return do_hash (__low, __high);
    }
 
    static _RW::__rw_facet_id id;
 
protected:
 
    virtual int
    do_compare (const char_type*, const char_type*,
                const char_type*, const char_type*) const;
        
    virtual string_type
    do_transform (const char_type*, const char_type*) const;
 
    virtual long
    do_hash (const char_type*, const char_type*) const;
};
 
 
#ifndef   _RWSTD_NO_WCHAR_T
 
_RWSTD_SPECIALIZED_CLASS
class _RWSTD_EXPORT collate<wchar_t>: public _RW::__rw_facet
{
public:
    typedef wchar_t char_type;
    typedef basic_string<char_type, char_traits<char_type>,
                         allocator<char_type> >
    string_type;
 
    explicit collate (_RWSTD_SIZE_T __refs = 0) _THROWS (())
        : _RW::__rw_facet (__refs) { }
 
    virtual ~collate () _RWSTD_ATTRIBUTE_NOTHROW;
 
    int
    compare (const char_type* __low1, const char_type* __high1,
             const char_type* __low2, const char_type* __high2) const {
        return do_compare (__low1, __high1, __low2, __high2);
    }
 
    string_type
    transform (const char_type* __low, const char_type* __high) const {
        return do_transform (__low, __high);
    }
 
    long
    hash (const char_type* __low, const char_type* __high) const {
        return do_hash (__low, __high);
    }
 
    static _RW::__rw_facet_id id;
 
protected:
 
    virtual int
    do_compare (const char_type*, const char_type*,
                const char_type*, const char_type*) const;
 
    virtual string_type
    do_transform (const char_type*, const char_type*) const;
 
    virtual long
    do_hash (const char_type*, const char_type*) const;
};
 
#endif   // _RWSTD_NO_WCHAR_T
 
 
template <class _CharT>
class collate_byname: public collate<_CharT>
{
    char _C_namebuf [32];
 
public:
 
    explicit collate_byname (const char *__name, _RWSTD_SIZE_T __ref = 0)
        : collate<_CharT>(__ref) {
        this->_C_set_name (__name, _C_namebuf, sizeof _C_namebuf);
    }
};
 
 
_RWSTD_SPECIALIZED_CLASS
class _RWSTD_EXPORT collate_byname<char>: public collate<char>
{
    char _C_namebuf [32];
public:
 
    explicit collate_byname (const char* __name, _RWSTD_SIZE_T __ref = 0)
        :  collate<char_type>(__ref){ 
        this->_C_set_name (__name, _C_namebuf, sizeof _C_namebuf);
    }
 
    virtual ~collate_byname () _RWSTD_ATTRIBUTE_NOTHROW;
 
protected:
 
    virtual int
    do_compare (const char_type*, const char_type*,
                const char_type*, const char_type*) const;
 
    virtual string_type
    do_transform (const char_type*, const char_type*) const;
};
 
 
#ifndef _RWSTD_NO_WCHAR_T
 
_RWSTD_SPECIALIZED_CLASS
class _RWSTD_EXPORT collate_byname<wchar_t>: public collate<wchar_t>
{
    char _C_namebuf [32];
public:
 
    explicit collate_byname (const char* __name, _RWSTD_SIZE_T __ref = 0)
        :  collate<char_type>(__ref){ 
        this->_C_set_name (__name, _C_namebuf, sizeof _C_namebuf);
    }
 
    virtual ~collate_byname () _RWSTD_ATTRIBUTE_NOTHROW;
 
protected:
 
    virtual int
    do_compare (const char_type*, const char_type*,
                const char_type*, const char_type*) const;
 
    virtual string_type
    do_transform (const char_type*, const char_type*) const;
};
 
#endif   // _RWSTD_NO_WCHAR_T
 
}   // namespace std
 
 
#if _RWSTD_DEFINE_TEMPLATE (_COLLATE)
#  include <loc/_collate.cc>
#endif   // _RWSTD_DEFINE_TEMPLATE (_COLLATE)
 
 
#endif   // _RWSTD_LOC_COLLATE_H_INCLUDED