359 lines
11 KiB
C++
359 lines
11 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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#pragma once
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#ifndef _STRING_TOOLS_H_
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#define _STRING_TOOLS_H_
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#include <cctype>
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#include <cstdint>
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#include <iomanip>
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#include <iostream>
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#include <limits>
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#include <map>
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#include <string>
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#include <sstream>
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#include "warnings.h"
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#ifndef OUT
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#define OUT
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#endif
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#ifdef WINDOWS_PLATFORM
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#pragma comment (lib, "Rpcrt4.lib")
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#endif
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// Don't include lexical_cast.hpp, to reduce compilation time
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//#include <boost/lexical_cast.hpp>
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namespace boost {
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namespace uuids {
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struct uuid;
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}
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template <typename Target, typename Source>
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inline Target lexical_cast(const Source &arg);
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}
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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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std::wstring get_str_from_guid(const boost::uuids::uuid& rid);
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std::string get_str_from_guid_a(const boost::uuids::uuid& rid);
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bool get_guid_from_string( boost::uuids::uuid& inetifer, std::wstring str_id);
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bool get_guid_from_string(OUT boost::uuids::uuid& inetifer, const std::string& str_id);
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//----------------------------------------------------------------------------
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template<class CharT>
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std::basic_string<CharT> buff_to_hex(const std::basic_string<CharT>& s)
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{
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std::basic_stringstream<CharT> hexStream;
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hexStream << std::hex << std::noshowbase << std::setw(2);
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for(typename std::basic_string<CharT>::const_iterator it = s.begin(); it != s.end(); it++)
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{
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hexStream << "0x"<< static_cast<unsigned int>(static_cast<unsigned char>(*it)) << " ";
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}
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return hexStream.str();
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}
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//----------------------------------------------------------------------------
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template<class CharT>
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std::basic_string<CharT> buff_to_hex_nodelimer(const std::basic_string<CharT>& s)
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{
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std::basic_stringstream<CharT> hexStream;
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hexStream << std::hex << std::noshowbase;
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for(typename std::basic_string<CharT>::const_iterator it = s.begin(); it != s.end(); it++)
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{
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hexStream << std::setw(2) << std::setfill('0') << static_cast<unsigned int>(static_cast<unsigned char>(*it));
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}
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return hexStream.str();
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}
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//----------------------------------------------------------------------------
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template<class CharT>
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bool parse_hexstr_to_binbuff(const std::basic_string<CharT>& s, std::basic_string<CharT>& res)
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{
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res.clear();
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try
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{
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long v = 0;
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for(size_t i = 0; i < (s.size() + 1) / 2; i++)
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{
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CharT byte_str[3];
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size_t copied = s.copy(byte_str, 2, 2 * i);
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byte_str[copied] = CharT(0);
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CharT* endptr;
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v = strtoul(byte_str, &endptr, 16);
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if (v < 0 || 0xFF < v || endptr != byte_str + copied)
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{
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return false;
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}
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res.push_back(static_cast<unsigned char>(v));
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}
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return true;
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}catch(...)
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{
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return false;
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}
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}
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//----------------------------------------------------------------------------
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template<class t_pod_type>
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bool parse_tpod_from_hex_string(const std::string& str_hash, t_pod_type& t_pod)
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{
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std::string buf;
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bool res = epee::string_tools::parse_hexstr_to_binbuff(str_hash, buf);
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if (!res || buf.size() != sizeof(t_pod_type))
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{
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return false;
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}
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else
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{
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buf.copy(reinterpret_cast<char *>(&t_pod), sizeof(t_pod_type));
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return true;
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}
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}
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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 (!std::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(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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//---------------------------------------------------
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template<typename int_t>
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bool get_xnum_from_hex_string(const std::string str, int_t& res )
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{
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try
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{
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std::stringstream ss;
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ss << std::hex << str;
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ss >> res;
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return true;
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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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}
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//----------------------------------------------------------------------------
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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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typedef std::map<std::string, std::string> command_line_params_a;
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typedef std::map<std::wstring, std::wstring> command_line_params_w;
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template<class t_string>
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bool parse_commandline(std::map<t_string, t_string>& res, int argc, char** argv)
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{
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t_string key;
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for(int i = 1; i < argc; i++)
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{
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if(!argv[i])
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break;
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t_string s = argv[i];
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std::string::size_type p = s.find('=');
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if(std::string::npos == p)
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{
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res[s] = "";
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}else
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{
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std::string ss;
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t_string nm = s.substr(0, p);
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t_string vl = s.substr(p+1, s.size());
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res[nm] = vl;
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}
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}
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return true;
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}
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template<class t_string, typename t_type>
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bool get_xparam_from_command_line(const std::map<t_string, t_string>& res, const t_string & key, t_type& val)
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{
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typename std::map<t_string, t_string>::const_iterator it = res.find(key);
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if(it == res.end())
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return false;
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if(it->second.size())
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{
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return get_xtype_from_string(val, it->second);
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}
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return true;
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}
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template<class t_string, typename t_type>
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t_type get_xparam_from_command_line(const std::map<t_string, t_string>& res, const t_string & key, const t_type& default_value)
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{
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typename std::map<t_string, t_string>::const_iterator it = res.find(key);
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if(it == res.end())
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return default_value;
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if(it->second.size())
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{
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t_type s;
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get_xtype_from_string(s, it->second);
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return s;
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}
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return default_value;
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}
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template<class t_string>
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bool have_in_command_line(const std::map<t_string, t_string>& res, const std::basic_string<typename t_string::value_type>& key)
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{
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typename std::map<t_string, t_string>::const_iterator it = res.find(key);
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if(it == res.end())
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return false;
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return true;
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}
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//----------------------------------------------------------------------------
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std::string get_ip_string_from_int32(uint32_t ip);
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bool get_ip_int32_from_string(uint32_t& ip, const std::string& ip_str);
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bool parse_peer_from_string(uint32_t& ip, uint32_t& port, const std::string& addres);
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//----------------------------------------------------------------------------
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template<typename t>
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inline std::string get_t_as_hex_nwidth(const t& v, std::streamsize w = 8)
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{
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std::stringstream ss;
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ss << std::setfill ('0') << std::setw (w) << std::hex << std::noshowbase;
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ss << v;
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return ss.str();
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}
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//----------------------------------------------------------------------------
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std::string num_to_string_fast(int64_t val);
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bool string_to_num_fast(const std::string& buff, int64_t& val);
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bool string_to_num_fast(const std::string& buff, int& val);
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#ifdef WINDOWS_PLATFORM
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std::string system_time_to_string(const SYSTEMTIME& st);
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#endif
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bool compare_no_case(const std::string& str1, const std::string& str2);
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bool compare_no_case(const std::wstring& str1, const std::wstring& str2);
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bool is_match_prefix(const std::wstring& str1, const std::wstring& prefix);
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bool is_match_prefix(const std::string& str1, const std::string& prefix);
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std::string& get_current_module_name();
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std::string& get_current_module_folder();
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#ifdef _WIN32
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std::string get_current_module_path();
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#endif
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bool set_module_name_and_folder(const std::string& path_to_process_);
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bool trim_left(std::string& str);
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bool trim_right(std::string& str);
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std::string& trim(std::string& str);
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std::string trim(const std::string& str_);
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//----------------------------------------------------------------------------
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template<class t_pod_type>
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std::string pod_to_hex(const t_pod_type& s)
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{
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std::string buff;
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buff.assign(reinterpret_cast<const char*>(&s), sizeof(s));
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return buff_to_hex_nodelimer(buff);
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}
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//----------------------------------------------------------------------------
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template<class t_pod_type>
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bool hex_to_pod(const std::string& hex_str, t_pod_type& s)
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{
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std::string hex_str_tr = trim(hex_str);
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if(sizeof(s)*2 != hex_str.size())
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return false;
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std::string bin_buff;
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if(!parse_hexstr_to_binbuff(hex_str_tr, bin_buff))
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return false;
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if(bin_buff.size()!=sizeof(s))
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return false;
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s = *(t_pod_type*)bin_buff.data();
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return true;
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}
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//----------------------------------------------------------------------------
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std::string get_extension(const std::string& str);
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std::string get_filename_from_path(const std::string& str);
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std::string cut_off_extension(const std::string& str);
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#ifdef _WININET_
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std::string get_string_from_systemtime(const SYSTEMTIME& sys_time);
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SYSTEMTIME get_systemtime_from_string(const std::string& buff);
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#endif
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#ifdef WINDOWS_PLATFORM
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const DWORD INFO_BUFFER_SIZE = 10000;
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const wchar_t* get_pc_name();
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const wchar_t* get_user_name();
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#endif
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#ifdef _LM_
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const wchar_t* get_domain_name();
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#endif
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#ifdef WINDOWS_PLATFORM
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std::string load_resource_string_a(int id, const char* pmodule_name = NULL);
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std::wstring load_resource_string_w(int id, const char* pmodule_name = NULL);
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#endif
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}
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}
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#endif //_STRING_TOOLS_H_
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