361 lines
11 KiB
C++
361 lines
11 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_H_
|
|
#define _STRING_TOOLS_H_
|
|
|
|
// Previously pulled in by ASIO, further cleanup still required ...
|
|
#ifdef _WIN32
|
|
# include <winsock2.h>
|
|
# include <windows.h>
|
|
#endif
|
|
|
|
#include <string.h>
|
|
#include <locale>
|
|
#include <cstdlib>
|
|
#include <string>
|
|
#include <type_traits>
|
|
#include <boost/lexical_cast.hpp>
|
|
#include <boost/algorithm/string/predicate.hpp>
|
|
#include <boost/utility/string_ref.hpp>
|
|
#include "misc_log_ex.h"
|
|
#include "storages/parserse_base_utils.h"
|
|
#include "hex.h"
|
|
#include "memwipe.h"
|
|
#include "mlocker.h"
|
|
#include "span.h"
|
|
#include "warnings.h"
|
|
|
|
|
|
#ifndef OUT
|
|
#define OUT
|
|
#endif
|
|
|
|
#ifdef WINDOWS_PLATFORM
|
|
#pragma comment (lib, "Rpcrt4.lib")
|
|
#endif
|
|
|
|
namespace epee
|
|
{
|
|
namespace string_tools
|
|
{
|
|
//----------------------------------------------------------------------------
|
|
inline std::string buff_to_hex_nodelimer(const std::string& src)
|
|
{
|
|
return to_hex::string(to_byte_span(to_span(src)));
|
|
}
|
|
//----------------------------------------------------------------------------
|
|
inline bool parse_hexstr_to_binbuff(const boost::string_ref s, std::string& res)
|
|
{
|
|
return from_hex::to_string(res, s);
|
|
}
|
|
//----------------------------------------------------------------------------
|
|
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;
|
|
}
|
|
//----------------------------------------------------------------------------
|
|
std::string get_ip_string_from_int32(uint32_t ip);
|
|
//----------------------------------------------------------------------------
|
|
bool get_ip_int32_from_string(uint32_t& ip, const std::string& ip_str);
|
|
//----------------------------------------------------------------------------
|
|
inline bool parse_peer_from_string(uint32_t& ip, uint16_t& port, const std::string& addres)
|
|
{
|
|
//parse ip and address
|
|
std::string::size_type p = addres.find(':');
|
|
std::string ip_str, port_str;
|
|
if(p == std::string::npos)
|
|
{
|
|
port = 0;
|
|
ip_str = addres;
|
|
}
|
|
else
|
|
{
|
|
ip_str = addres.substr(0, p);
|
|
port_str = addres.substr(p+1, addres.size());
|
|
}
|
|
|
|
if(!get_ip_int32_from_string(ip, ip_str))
|
|
{
|
|
return false;
|
|
}
|
|
|
|
if(p != std::string::npos && !get_xtype_from_string(port, port_str))
|
|
{
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
inline std::string num_to_string_fast(int64_t val)
|
|
{
|
|
/*
|
|
char buff[30] = {0};
|
|
i64toa_s(val, buff, sizeof(buff)-1, 10);
|
|
return buff;*/
|
|
return boost::lexical_cast<std::string>(val);
|
|
}
|
|
//----------------------------------------------------------------------------
|
|
template<typename T>
|
|
inline std::string to_string_hex(const T &val)
|
|
{
|
|
static_assert(std::is_arithmetic<T>::value, "only arithmetic types");
|
|
std::stringstream ss;
|
|
ss << std::hex << val;
|
|
std::string s;
|
|
ss >> s;
|
|
return s;
|
|
}
|
|
//----------------------------------------------------------------------------
|
|
|
|
inline bool compare_no_case(const std::string& str1, const std::string& str2)
|
|
{
|
|
|
|
return !boost::iequals(str1, str2);
|
|
}
|
|
//----------------------------------------------------------------------------
|
|
inline std::string& get_current_module_name()
|
|
{
|
|
static std::string module_name;
|
|
return module_name;
|
|
}
|
|
//----------------------------------------------------------------------------
|
|
inline std::string& get_current_module_folder()
|
|
{
|
|
static std::string module_folder;
|
|
return module_folder;
|
|
}
|
|
//----------------------------------------------------------------------------
|
|
#ifdef _WIN32
|
|
inline std::string get_current_module_path()
|
|
{
|
|
char pname [5000] = {0};
|
|
GetModuleFileNameA( NULL, pname, sizeof(pname));
|
|
pname[sizeof(pname)-1] = 0; //be happy ;)
|
|
return pname;
|
|
}
|
|
#endif
|
|
//----------------------------------------------------------------------------
|
|
inline bool set_module_name_and_folder(const std::string& path_to_process_)
|
|
{
|
|
std::string path_to_process = path_to_process_;
|
|
#ifdef _WIN32
|
|
path_to_process = get_current_module_path();
|
|
#endif
|
|
std::string::size_type a = path_to_process.rfind( '\\' );
|
|
if(a == std::string::npos )
|
|
{
|
|
a = path_to_process.rfind( '/' );
|
|
}
|
|
if ( a != std::string::npos )
|
|
{
|
|
get_current_module_name() = path_to_process.substr(a+1, path_to_process.size());
|
|
get_current_module_folder() = path_to_process.substr(0, a);
|
|
return true;
|
|
}else
|
|
return false;
|
|
|
|
}
|
|
|
|
//----------------------------------------------------------------------------
|
|
inline bool trim_left(std::string& str)
|
|
{
|
|
for(std::string::iterator it = str.begin(); it!= str.end() && isspace(static_cast<unsigned char>(*it));)
|
|
str.erase(str.begin());
|
|
|
|
return true;
|
|
}
|
|
//----------------------------------------------------------------------------
|
|
inline bool trim_right(std::string& str)
|
|
{
|
|
|
|
for(std::string::reverse_iterator it = str.rbegin(); it!= str.rend() && isspace(static_cast<unsigned char>(*it));)
|
|
str.erase( --((it++).base()));
|
|
|
|
return true;
|
|
}
|
|
//----------------------------------------------------------------------------
|
|
inline std::string& trim(std::string& str)
|
|
{
|
|
|
|
trim_left(str);
|
|
trim_right(str);
|
|
return str;
|
|
}
|
|
//----------------------------------------------------------------------------
|
|
inline std::string trim(const std::string& str_)
|
|
{
|
|
std::string str = str_;
|
|
trim_left(str);
|
|
trim_right(str);
|
|
return str;
|
|
}
|
|
//----------------------------------------------------------------------------
|
|
inline std::string pad_string(std::string s, size_t n, char c = ' ', bool prepend = false)
|
|
{
|
|
if (s.size() < n)
|
|
{
|
|
if (prepend)
|
|
s = std::string(n - s.size(), c) + s;
|
|
else
|
|
s.append(n - s.size(), c);
|
|
}
|
|
return s;
|
|
}
|
|
//----------------------------------------------------------------------------
|
|
template<class t_pod_type>
|
|
std::string pod_to_hex(const t_pod_type& s)
|
|
{
|
|
static_assert(std::is_standard_layout<t_pod_type>(), "expected standard layout type");
|
|
return to_hex::string(as_byte_span(s));
|
|
}
|
|
//----------------------------------------------------------------------------
|
|
template<class t_pod_type>
|
|
bool hex_to_pod(const boost::string_ref hex_str, t_pod_type& s)
|
|
{
|
|
static_assert(std::is_standard_layout<t_pod_type>(), "expected standard layout type");
|
|
return from_hex::to_buffer(as_mut_byte_span(s), hex_str);
|
|
}
|
|
//----------------------------------------------------------------------------
|
|
template<class t_pod_type>
|
|
bool hex_to_pod(const boost::string_ref hex_str, tools::scrubbed<t_pod_type>& s)
|
|
{
|
|
return hex_to_pod(hex_str, unwrap(s));
|
|
}
|
|
//----------------------------------------------------------------------------
|
|
template<class t_pod_type>
|
|
bool hex_to_pod(const boost::string_ref hex_str, epee::mlocked<t_pod_type>& s)
|
|
{
|
|
return hex_to_pod(hex_str, unwrap(s));
|
|
}
|
|
//----------------------------------------------------------------------------
|
|
bool validate_hex(uint64_t length, const std::string& str);
|
|
//----------------------------------------------------------------------------
|
|
inline std::string get_extension(const std::string& str)
|
|
{
|
|
std::string res;
|
|
std::string::size_type pos = str.rfind('.');
|
|
if(std::string::npos == pos)
|
|
return res;
|
|
|
|
res = str.substr(pos+1, str.size()-pos);
|
|
return res;
|
|
}
|
|
//----------------------------------------------------------------------------
|
|
inline std::string cut_off_extension(const std::string& str)
|
|
{
|
|
std::string res;
|
|
std::string::size_type pos = str.rfind('.');
|
|
if(std::string::npos == pos)
|
|
return str;
|
|
|
|
res = str.substr(0, pos);
|
|
return res;
|
|
}
|
|
//----------------------------------------------------------------------------
|
|
#ifdef _WIN32
|
|
inline std::wstring utf8_to_utf16(const std::string& str)
|
|
{
|
|
if (str.empty())
|
|
return {};
|
|
int wstr_size = MultiByteToWideChar(CP_UTF8, 0, &str[0], str.size(), NULL, 0);
|
|
if (wstr_size == 0)
|
|
{
|
|
throw std::runtime_error(std::error_code(GetLastError(), std::system_category()).message());
|
|
}
|
|
std::wstring wstr(wstr_size, wchar_t{});
|
|
if (!MultiByteToWideChar(CP_UTF8, 0, &str[0], str.size(), &wstr[0], wstr_size))
|
|
{
|
|
throw std::runtime_error(std::error_code(GetLastError(), std::system_category()).message());
|
|
}
|
|
return wstr;
|
|
}
|
|
inline std::string utf16_to_utf8(const std::wstring& wstr)
|
|
{
|
|
if (wstr.empty())
|
|
return {};
|
|
int str_size = WideCharToMultiByte(CP_UTF8, 0, &wstr[0], wstr.size(), NULL, 0, NULL, NULL);
|
|
if (str_size == 0)
|
|
{
|
|
throw std::runtime_error(std::error_code(GetLastError(), std::system_category()).message());
|
|
}
|
|
std::string str(str_size, char{});
|
|
if (!WideCharToMultiByte(CP_UTF8, 0, &wstr[0], wstr.size(), &str[0], str_size, NULL, NULL))
|
|
{
|
|
throw std::runtime_error(std::error_code(GetLastError(), std::system_category()).message());
|
|
}
|
|
return str;
|
|
}
|
|
#endif
|
|
}
|
|
}
|
|
#endif //_STRING_TOOLS_H_
|