mirror of https://github.com/oxen-io/oxen-core.git
233 lines
6.9 KiB
C++
233 lines
6.9 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_H_
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#define _STRING_TOOLS_H_
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// Previously pulled in by ASIO, further cleanup still required ...
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#ifdef _WIN32
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# include <winsock2.h>
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# include <windows.h>
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#endif
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#include <cstring>
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#include <cstdlib>
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#include <string>
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#include <string_view>
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#include <type_traits>
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#include <boost/lexical_cast.hpp>
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#include <boost/algorithm/string/predicate.hpp>
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#include "storages/parserse_base_utils.h"
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#include "mlocker.h"
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#include "span.h"
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#include "warnings.h"
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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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namespace epee
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{
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using namespace std::literals;
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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(XType& val, std::string_view str_id)
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{
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if (std::is_integral_v<XType> && std::is_unsigned_v<XType> && !std::is_same_v<XType, bool>)
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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>(std::string{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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//----------------------------------------------------------------------------
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std::string get_ip_string_from_int32(uint32_t ip);
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//----------------------------------------------------------------------------
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bool get_ip_int32_from_string(uint32_t& ip, const std::string& ip_str);
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//----------------------------------------------------------------------------
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inline bool parse_peer_from_string(uint32_t& ip, uint16_t& port, std::string_view address)
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{
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//parse ip and address
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auto p = address.find(':');
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std::string_view ip_str, port_str;
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if(p == std::string_view::npos)
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{
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port = 0;
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ip_str = address;
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}
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else
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{
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ip_str = address.substr(0, p);
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port_str = address.substr(p+1);
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}
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if(!get_ip_int32_from_string(ip, std::string{ip_str}))
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{
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return false;
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}
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if(p != std::string::npos && !get_xtype_from_string(port, port_str))
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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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template<typename T>
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inline std::string to_string_hex(const T &val)
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{
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static_assert(std::is_arithmetic<T>::value, "only arithmetic types");
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std::stringstream ss;
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ss << std::hex << val;
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std::string s;
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ss >> s;
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return s;
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}
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//----------------------------------------------------------------------------
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inline bool compare_no_case(const std::string& str1, const std::string& str2)
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{
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return !boost::iequals(str1, str2);
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}
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//----------------------------------------------------------------------------
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inline std::string& get_current_module_name()
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{
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static std::string module_name;
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return module_name;
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}
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//----------------------------------------------------------------------------
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inline std::string& get_current_module_folder()
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{
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static std::string module_folder;
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return module_folder;
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}
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//----------------------------------------------------------------------------
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#ifdef _WIN32
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inline std::string get_current_module_path()
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{
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char pname [5000] = {0};
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GetModuleFileNameA( NULL, pname, sizeof(pname));
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pname[sizeof(pname)-1] = 0; //be happy ;)
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return pname;
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}
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#endif
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//----------------------------------------------------------------------------
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inline bool set_module_name_and_folder(const std::string& path_to_process_)
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{
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std::string path_to_process = path_to_process_;
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#ifdef _WIN32
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path_to_process = get_current_module_path();
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#endif
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std::string::size_type a = path_to_process.rfind( '\\' );
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if(a == std::string::npos )
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{
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a = path_to_process.rfind( '/' );
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}
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if ( a != std::string::npos )
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{
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get_current_module_name() = path_to_process.substr(a+1, path_to_process.size());
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get_current_module_folder() = path_to_process.substr(0, a);
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return true;
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}else
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return false;
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}
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//----------------------------------------------------------------------------
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inline std::string& trim_left(std::string& str)
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{
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auto it = str.begin();
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while (it != str.end() && std::isspace(static_cast<unsigned char>(*it)))
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it++;
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if (it != str.begin())
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str.erase(str.begin(), it);
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return str;
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}
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//----------------------------------------------------------------------------
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inline std::string& trim_right(std::string& str)
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{
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while (!str.empty() && std::isspace(static_cast<unsigned char>(str.back())))
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str.pop_back();
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return str;
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}
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//----------------------------------------------------------------------------
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inline std::string& trim(std::string& str)
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{
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return trim_left(trim_right(str));
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}
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//----------------------------------------------------------------------------
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inline std::string trim(const std::string& str_)
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{
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std::string str = str_;
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trim(str);
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return str;
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}
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//----------------------------------------------------------------------------
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inline std::string pad_string(std::string s, size_t n, char c = ' ', bool prepend = false)
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{
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if (s.size() < n)
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{
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if (prepend)
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s = std::string(n - s.size(), c) + s;
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else
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s.append(n - s.size(), c);
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}
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return s;
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}
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}
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}
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#endif //_STRING_TOOLS_H_
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