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