mirror of
https://github.com/Xahau/xahaud.git
synced 2025-12-06 17:27:52 +00:00
5b8bb822ba
* RFC2616 compliance * Case insensitive equality, inequality operators for strings * Improvements to http::parser * Tidy up HTTP method enumeration
130 lines
3.4 KiB
C++
130 lines
3.4 KiB
C++
//------------------------------------------------------------------------------
|
|
/*
|
|
This file is part of Beast: https://github.com/vinniefalco/Beast
|
|
Copyright 2013, Vinnie Falco <vinnie.falco@gmail.com>
|
|
|
|
Permission to use, copy, modify, and/or distribute this software for any
|
|
purpose with or without fee is hereby granted, provided that the above
|
|
copyright notice and this permission notice appear in all copies.
|
|
|
|
THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
|
|
WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
|
|
MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
|
|
ANY SPECIAL , DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
|
|
WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
|
|
ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
|
|
OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
|
|
*/
|
|
//==============================================================================
|
|
|
|
#ifndef BEAST_UTILITY_CI_CHAR_TRAITS_H_INCLUDED
|
|
#define BEAST_UTILITY_CI_CHAR_TRAITS_H_INCLUDED
|
|
|
|
#include <beast/cxx14/algorithm.h> // <algorithm>
|
|
#include <locale>
|
|
#include <string>
|
|
|
|
namespace beast {
|
|
|
|
/** Case-insensitive function object for performing less than comparisons. */
|
|
struct ci_less
|
|
{
|
|
static bool const is_transparent = true;
|
|
|
|
template <class String>
|
|
bool
|
|
operator() (String const& lhs, String const& rhs) const
|
|
{
|
|
typedef typename String::value_type char_type;
|
|
return std::lexicographical_compare (std::begin(lhs), std::end(lhs),
|
|
std::begin(rhs), std::end(rhs),
|
|
[] (char_type lhs, char_type rhs)
|
|
{
|
|
return std::tolower(lhs) < std::tolower(rhs);
|
|
}
|
|
);
|
|
}
|
|
};
|
|
|
|
/** Case-insensitive function object for performing equal to comparisons. */
|
|
struct ci_equal_to
|
|
{
|
|
static bool const is_transparent = true;
|
|
|
|
template <class String>
|
|
bool
|
|
operator() (String const& lhs, String const& rhs) const
|
|
{
|
|
typedef typename String::value_type char_type;
|
|
return std::equal (lhs.begin(), lhs.end(), rhs.begin(), rhs.end(),
|
|
[] (char_type lhs, char_type rhs)
|
|
{
|
|
return std::tolower(lhs) == std::tolower(rhs);
|
|
}
|
|
);
|
|
}
|
|
};
|
|
|
|
// DEPRECATED VFALCO This causes far more problems than it solves!
|
|
//
|
|
/** Case insensitive character traits. */
|
|
struct ci_char_traits : std::char_traits <char>
|
|
{
|
|
static
|
|
bool
|
|
eq (char c1, char c2)
|
|
{
|
|
return ::toupper(c1) ==
|
|
::toupper(c2);
|
|
}
|
|
|
|
static
|
|
bool
|
|
ne (char c1, char c2)
|
|
{
|
|
return ::toupper(c1) !=
|
|
::toupper(c2);
|
|
}
|
|
|
|
static
|
|
bool
|
|
lt (char c1, char c2)
|
|
{
|
|
return ::toupper(c1) <
|
|
::toupper(c2);
|
|
}
|
|
|
|
static
|
|
int
|
|
compare (char const* s1, char const* s2, std::size_t n)
|
|
{
|
|
while (n-- > 0)
|
|
{
|
|
auto const comp (
|
|
int(::toupper(*s1++)) -
|
|
int(::toupper(*s2++)));
|
|
if (comp != 0)
|
|
return comp;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static
|
|
char const*
|
|
find (char const* s, int n, char a)
|
|
{
|
|
auto const ua (::toupper(a));
|
|
for (;n--;)
|
|
{
|
|
if (::toupper(*s) == ua)
|
|
return s;
|
|
s++;
|
|
}
|
|
return nullptr;
|
|
}
|
|
};
|
|
|
|
}
|
|
|
|
#endif
|