377 lines
11 KiB
C++
377 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 <locale>
|
|
#include <cstdlib>
|
|
#include <string>
|
|
#include <type_traits>
|
|
#include <boost/uuid/uuid.hpp>
|
|
#include <boost/uuid/uuid_io.hpp>
|
|
#include <boost/lexical_cast.hpp>
|
|
#include <boost/algorithm/string.hpp>
|
|
#include "hex.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 get_str_from_guid_a(const boost::uuids::uuid& rid)
|
|
{
|
|
return boost::lexical_cast<std::string>(rid);
|
|
}
|
|
//----------------------------------------------------------------------------
|
|
inline bool get_guid_from_string(OUT boost::uuids::uuid& inetifer, const std::string& str_id)
|
|
{
|
|
std::string local_str_id = str_id;
|
|
if(local_str_id.size() < 36)
|
|
return false;
|
|
|
|
if('{' == *local_str_id.begin())
|
|
local_str_id.erase(0, 1);
|
|
|
|
if('}' == *(--local_str_id.end()))
|
|
local_str_id.erase(--local_str_id.end());
|
|
|
|
try
|
|
{
|
|
inetifer = boost::lexical_cast<boost::uuids::uuid>(local_str_id);
|
|
return true;
|
|
}
|
|
catch(...)
|
|
{
|
|
return false;
|
|
}
|
|
}
|
|
//----------------------------------------------------------------------------
|
|
inline std::string buff_to_hex_nodelimer(const std::string& src)
|
|
{
|
|
return to_hex::string(to_byte_span(to_span(src)));
|
|
}
|
|
//----------------------------------------------------------------------------
|
|
template<class CharT>
|
|
bool parse_hexstr_to_binbuff(const std::basic_string<CharT>& s, std::basic_string<CharT>& res, bool allow_partial_byte = false)
|
|
{
|
|
res.clear();
|
|
if (!allow_partial_byte && (s.size() & 1))
|
|
return false;
|
|
try
|
|
{
|
|
long v = 0;
|
|
for(size_t i = 0; i < (s.size() + 1) / 2; i++)
|
|
{
|
|
CharT byte_str[3];
|
|
size_t copied = s.copy(byte_str, 2, 2 * i);
|
|
byte_str[copied] = CharT(0);
|
|
CharT* endptr;
|
|
v = strtoul(byte_str, &endptr, 16);
|
|
if (v < 0 || 0xFF < v || endptr != byte_str + copied)
|
|
{
|
|
return false;
|
|
}
|
|
res.push_back(static_cast<unsigned char>(v));
|
|
}
|
|
|
|
return true;
|
|
}catch(...)
|
|
{
|
|
return false;
|
|
}
|
|
}
|
|
//----------------------------------------------------------------------------
|
|
template<class t_pod_type>
|
|
bool parse_tpod_from_hex_string(const std::string& str_hash, t_pod_type& t_pod)
|
|
{
|
|
static_assert(std::is_pod<t_pod_type>::value, "expected pod type");
|
|
std::string buf;
|
|
bool res = epee::string_tools::parse_hexstr_to_binbuff(str_hash, buf);
|
|
if (!res || buf.size() != sizeof(t_pod_type))
|
|
{
|
|
return false;
|
|
}
|
|
else
|
|
{
|
|
buf.copy(reinterpret_cast<char *>(&t_pod), sizeof(t_pod_type));
|
|
return true;
|
|
}
|
|
}
|
|
//----------------------------------------------------------------------------
|
|
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 (!std::isdigit(c))
|
|
return false;
|
|
}
|
|
}
|
|
|
|
try
|
|
{
|
|
val = boost::lexical_cast<XType>(str_id);
|
|
return true;
|
|
}
|
|
catch(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);
|
|
}
|
|
//----------------------------------------------------------------------------
|
|
|
|
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_pod<t_pod_type>::value, "expected pod type");
|
|
return to_hex::string(as_byte_span(s));
|
|
}
|
|
//----------------------------------------------------------------------------
|
|
template<class t_pod_type>
|
|
bool hex_to_pod(const std::string& hex_str, t_pod_type& s)
|
|
{
|
|
static_assert(std::is_pod<t_pod_type>::value, "expected pod type");
|
|
std::string hex_str_tr = trim(hex_str);
|
|
if(sizeof(s)*2 != hex_str.size())
|
|
return false;
|
|
std::string bin_buff;
|
|
if(!parse_hexstr_to_binbuff(hex_str_tr, bin_buff))
|
|
return false;
|
|
if(bin_buff.size()!=sizeof(s))
|
|
return false;
|
|
|
|
s = *(t_pod_type*)bin_buff.data();
|
|
return true;
|
|
}
|
|
//----------------------------------------------------------------------------
|
|
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;
|
|
}
|
|
}
|
|
}
|
|
#endif //_STRING_TOOLS_H_
|