forked from townforge/townforge
92 lines
2.9 KiB
C++
92 lines
2.9 KiB
C++
// Copyright (c) 2006-2013, Andrey N. Sabelnikov, www.sabelnikov.net
|
|
// All rights reserved.
|
|
//
|
|
// Redistribution and use in source and binary forms, with or without
|
|
// modification, are permitted provided that the following conditions are met:
|
|
// * Redistributions of source code must retain the above copyright
|
|
// notice, this list of conditions and the following disclaimer.
|
|
// * Redistributions in binary form must reproduce the above copyright
|
|
// notice, this list of conditions and the following disclaimer in the
|
|
// documentation and/or other materials provided with the distribution.
|
|
// * Neither the name of the Andrey N. Sabelnikov nor the
|
|
// names of its contributors may be used to endorse or promote products
|
|
// derived from this software without specific prior written permission.
|
|
//
|
|
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
|
|
// ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
|
|
// WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
|
|
// DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER BE LIABLE FOR ANY
|
|
// DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
|
|
// (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
|
|
// LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
|
|
// ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
|
|
// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
//
|
|
|
|
#ifndef _STRING_TOOLS_LEXICAL_H_
|
|
#define _STRING_TOOLS_LEXICAL_H_
|
|
|
|
#include "warnings.h"
|
|
#include "storages/parserse_base_utils.h"
|
|
#include <boost/lexical_cast.hpp> // A heavy header, that was extracted from the rest
|
|
|
|
#ifndef OUT
|
|
#define OUT
|
|
#endif
|
|
|
|
namespace epee
|
|
{
|
|
namespace string_tools
|
|
{
|
|
PUSH_WARNINGS
|
|
DISABLE_GCC_WARNING(maybe-uninitialized)
|
|
template<class XType>
|
|
inline bool get_xtype_from_string(OUT XType& val, const std::string& str_id)
|
|
{
|
|
if (std::is_integral<XType>::value && !std::numeric_limits<XType>::is_signed && !std::is_same<XType, bool>::value)
|
|
{
|
|
for (char c : str_id)
|
|
{
|
|
if (!epee::misc_utils::parse::isdigit(c))
|
|
return false;
|
|
}
|
|
}
|
|
|
|
try
|
|
{
|
|
val = boost::lexical_cast<XType>(str_id);
|
|
return true;
|
|
}
|
|
catch(const std::exception& /*e*/)
|
|
{
|
|
//const char* pmsg = e.what();
|
|
return false;
|
|
}
|
|
catch(...)
|
|
{
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
POP_WARNINGS
|
|
|
|
template<class XType>
|
|
inline bool xtype_to_string(const XType& val, std::string& str)
|
|
{
|
|
try
|
|
{
|
|
str = boost::lexical_cast<std::string>(val);
|
|
}
|
|
catch(...)
|
|
{
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
}
|
|
}
|
|
#endif //_STRING_TOOLS_LEXICAL_H_
|