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// Module: Log4CPLUS
// File: stringhelper.cxx
// Created: 4/2003
// Author: Tad E. Smith
//
//
// Copyright 2003-2010 Tad E. Smith
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include "dcmtk/oflog/helpers/strhelp.h"
#include "dcmtk/oflog/streams.h"
#include "dcmtk/ofstd/ofstd.h"
#include "dcmtk/oflog/internal/internal.h"
#include <iterator>
#include <algorithm>
#include <cstring>
#include <cwchar>
#include <cwctype>
#include <cctype>
#include <cassert>
namespace dcmtk
{
namespace log4cplus
{
namespace internal
{
tstring const empty_str;
} // namespace internal
} // namespace log4cplus
} // end namespace dcmtk
//////////////////////////////////////////////////////////////////////////////
// Global Methods
//////////////////////////////////////////////////////////////////////////////
#if defined (DCMTK_OFLOG_UNICODE) && defined (DCMTK_LOG4CPLUS_ENABLE_GLOBAL_C_STRING_STREAM_INSERTER)
log4cplus::tostream&
operator <<(log4cplus::tostream& stream, const char* str)
{
return (stream << log4cplus::helpers::towstring(str));
}
#endif
namespace dcmtk
{
namespace log4cplus
{
namespace helpers
{
void clear_mbstate (mbstate_t & mbs);
void
clear_mbstate (mbstate_t & mbs)
{
// Initialize/clear mbstate_t type.
// XXX: This is just a hack that works. The shape of mbstate_t varies
// from single unsigned to char[128]. Without some sort of initialization
// the codecvt::in/out methods randomly fail because the initial state is
// random/invalid.
memset (&mbs, 0, sizeof (mbstate_t));
}
#if defined (DCMTK_LOG4CPLUS_POOR_MANS_CHCONV)
static
void
tostring_internal (OFString & ret, wchar_t const * src, size_t size)
{
ret.resize(size);
for (size_t i = 0; i < size; ++i)
{
STD_NAMESPACE char_traits<wchar_t>::int_type src_int
= STD_NAMESPACE char_traits<wchar_t>::to_int_type (src[i]);
ret[i] = src_int <= 127
? STD_NAMESPACE char_traits<char>::to_char_type (src_int)
: '?';
}
}
OFString
tostring(const STD_NAMESPACE wstring& src)
{
OFString ret;
tostring_internal (ret, src.c_str (), src.size ());
return ret;
}
OFString
tostring(wchar_t const * src)
{
assert (src);
OFString ret;
tostring_internal (ret, src, wcslen (src));
return ret;
}
static
void
towstring_internal (STD_NAMESPACE wstring & ret, char const * src, size_t size)
{
ret.resize(size);
for (size_t i = 0; i < size; ++i)
{
STD_NAMESPACE char_traits<char>::int_type src_int
= STD_NAMESPACE char_traits<char>::to_int_type (src[i]);
ret[i] = src_int <= 127
? STD_NAMESPACE char_traits<wchar_t>::to_char_type (src_int)
: L'?';
}
}
STD_NAMESPACE wstring towstring(const STD_NAMESPACE string& src);
STD_NAMESPACE wstring
towstring(const STD_NAMESPACE string& src)
{
STD_NAMESPACE wstring ret;
towstring_internal (ret, src.c_str (), src.size ());
return ret;
}
STD_NAMESPACE wstring
towstring(char const * src)
{
assert (src);
STD_NAMESPACE wstring ret;
towstring_internal (ret, src, strlen (src));
return ret;
}
#endif // DCMTK_LOG4CPLUS_POOR_MANS_CHCONV
namespace
{
struct toupper_func
{
tchar
operator () (tchar ch) const
{
return STD_NAMESPACE char_traits<tchar>::to_char_type (
#ifdef DCMTK_OFLOG_UNICODE
STD_NAMESPACE towupper
#else
toupper
#endif
(STD_NAMESPACE char_traits<tchar>::to_int_type (ch)));
}
};
struct tolower_func
{
tchar
operator () (tchar ch) const
{
return STD_NAMESPACE char_traits<tchar>::to_char_type (
#ifdef DCMTK_OFLOG_UNICODE
STD_NAMESPACE towlower
#else
tolower
#endif
(STD_NAMESPACE char_traits<tchar>::to_int_type (ch)));
}
};
} // namespace
tstring
toUpper(const tstring& s)
{
OFString tmp;
return OFStandard::toUpper(tmp, s);
}
tstring
toLower(const tstring& s)
{
OFString tmp;
return OFStandard::toLower(tmp, s);
}
} // namespace helpers
} // namespace log4cplus
} // end namespace dcmtk
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