// 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 _FILE_IO_UTILS_H_
#define _FILE_IO_UTILS_H_
//#include <sys/types.h>
//#include <sys/stat.h>
#include <iostream>
#include <boost/filesystem.hpp>
#ifndef MAKE64
#define MAKE64(low,high) ((__int64)(((DWORD)(low)) | ((__int64)((DWORD)(high))) << 32))
#endif
#ifdef WINDOWS_PLATFORM
#include <psapi.h>
#include <strsafe.h>
#include <string.h>
#include <mbstring.h>
#endif
namespace epee
{
namespace file_io_utils
{
#ifdef WINDOWS_PLATFORM
inline
std::string get_temp_file_name_a()
{
std::string str_result;
char sz_temp[MAX_PATH*2] = {0};
if(!::GetTempPathA( sizeof( sz_temp ), sz_temp ))
return str_result;
char sz_temp_file[MAX_PATH*2] = {0};
if(!::GetTempFileNameA( sz_temp, "mail", 0, sz_temp_file))
return str_result;
sz_temp_file[sizeof(sz_temp_file)-1] = 0; //be happy!
str_result = sz_temp_file;
return str_result;
}
#ifdef BOOST_LEXICAL_CAST_INCLUDED
inline
bool get_not_used_filename(const std::string& folder, OUT std::string& result_name)
{
DWORD folder_attr = ::GetFileAttributesA(folder.c_str());
if(folder_attr == INVALID_FILE_ATTRIBUTES)
return false;
if(!(folder_attr&FILE_ATTRIBUTE_DIRECTORY))
return false;
std::string base_name = folder + "\\tmp";
std::string tmp_name;
bool name_found = false;
int current_index = 0;
tmp_name = base_name + boost::lexical_cast<std::string>(current_index) + ".tmp";
while(!name_found)
{
if(INVALID_FILE_ATTRIBUTES == ::GetFileAttributesA(tmp_name.c_str()))
name_found = true;
else
{
current_index++;
tmp_name = base_name + boost::lexical_cast<std::string>(current_index) + ".tmp";
}
}
result_name = tmp_name;
return true;
}
#endif
inline
std::string get_temp_folder_a()
{
std::string str_result;
char sz_temp[MAX_PATH*2] = {0};
if(!::GetTempPathA( sizeof( sz_temp ), sz_temp ))
return str_result;
sz_temp[(sizeof(sz_temp)/sizeof(sz_temp[0])) -1] = 0;
str_result = sz_temp;
return str_result;
}
std::string convert_from_device_path_to_standart(const std::string& path)
{
STRSAFE_LPSTR pszFilename = (STRSAFE_LPSTR)path.c_str();
// Translate path with device name to drive letters.
char szTemp[4000] = {0};
if (::GetLogicalDriveStringsA(sizeof(szTemp)-1, szTemp))
{
char szName[MAX_PATH];
char szDrive[3] = " :";
BOOL bFound = FALSE;
char* p = szTemp;
do
{
// Copy the drive letter to the template string
*szDrive = *p;
// Look up each device name
if (::QueryDosDeviceA(szDrive, szName, sizeof(szName)))
{
UINT uNameLen = strlen(szName);
if (uNameLen < MAX_PATH)
{
bFound = _mbsnbicmp((const unsigned char*)pszFilename, (const unsigned char*)szName,
uNameLen) == 0;
if (bFound)
{
// Reconstruct pszFilename using szTempFile
// Replace device path with DOS path
char szTempFile[MAX_PATH] = {0};
StringCchPrintfA(szTempFile,
MAX_PATH,
"%s%s",
szDrive,
pszFilename+uNameLen);
return szTempFile;
//::StringCchCopyNA(pszFilename, MAX_PATH+1, szTempFile, strlen(szTempFile));
}
}
}
// Go to the next NULL character.
while (*p++);
} while (!bFound && *p); // end of string
}
return "";
}
inline
std::string get_process_path_by_pid(DWORD pid)
{
std::string res;
HANDLE hprocess = 0;
if( hprocess = ::OpenProcess( PROCESS_QUERY_INFORMATION|PROCESS_VM_READ, FALSE, pid) )
{
char buff[MAX_PATH]= {0};
if(!::GetModuleFileNameExA( hprocess, 0, buff, MAX_PATH - 1 ))
res = "Unknown_b";
else
{
buff[MAX_PATH - 1]=0; //be happy!
res = buff;
std::string::size_type a = res.rfind( '\\' );
if ( a != std::string::npos )
res.erase( 0, a+1);
}
::CloseHandle( hprocess );
}else
res = "Unknown_a";
return res;
}
inline
std::wstring get_temp_file_name_w()
{
std::wstring str_result;
wchar_t sz_temp[MAX_PATH*2] = {0};
if(!::GetTempPathW( sizeof(sz_temp)/sizeof(sz_temp[0]), sz_temp ))
return str_result;
wchar_t sz_temp_file[MAX_PATH+1] = {0};
if(!::GetTempFileNameW( sz_temp, L"mail", 0, sz_temp_file))
return str_result;
sz_temp_file[(sizeof(sz_temp_file)/sizeof(sz_temp_file[0]))-1] = 0; //be happy!
str_result = sz_temp_file;
return str_result;
}
#endif
inline
bool is_file_exist(const std::string& path)
{
boost::filesystem::path p(path);
return boost::filesystem::exists(p);
}
/*
inline
bool save_string_to_handle(HANDLE hfile, const std::string& str)
{
if( INVALID_HANDLE_VALUE != hfile )
{
DWORD dw;
if( !::WriteFile( hfile, str.data(), (DWORD) str.size(), &dw, NULL) )
{
int err_code = GetLastError();
//LOG_PRINT("Failed to write to file handle: " << hfile<< " Last error code:" << err_code << " : " << log_space::get_win32_err_descr(err_code), LOG_LEVEL_2);
return false;
}
::CloseHandle(hfile);
return true;
}else
{
//LOG_WIN32_ERROR(::GetLastError());
return false;
}
return false;
}*/
inline
bool save_string_to_file(const std::string& path_to_file, const std::string& str)
{
try
{
std::ofstream fstream;
fstream.exceptions(std::ifstream::failbit | std::ifstream::badbit);
fstream.open(path_to_file, std::ios_base::binary | std::ios_base::out | std::ios_base::trunc);
fstream << str;
fstream.close();
return true;
}
catch(...)
{
return false;
}
}
/*
inline
bool load_form_handle(HANDLE hfile, std::string& str)
{
if( INVALID_HANDLE_VALUE != hfile )
{
bool res = true;
DWORD dw = 0;
DWORD fsize = ::GetFileSize(hfile, &dw);
if(fsize > 300000000)
{
::CloseHandle(hfile);
return false;
}
if(fsize)
{
str.resize(fsize);
if(!::ReadFile( hfile, (LPVOID)str.data(), (DWORD)str.size(), &dw, NULL))
res = false;
}
::CloseHandle(hfile);
return res;
}
return false;
}
*/
inline
bool get_file_time(const std::string& path_to_file, OUT time_t& ft)
{
boost::system::error_code ec;
ft = boost::filesystem::last_write_time(boost::filesystem::path(path_to_file), ec);
if(!ec)
return true;
else
return false;
}
inline
bool set_file_time(const std::string& path_to_file, const time_t& ft)
{
boost::system::error_code ec;
boost::filesystem::last_write_time(boost::filesystem::path(path_to_file), ft, ec);
if(!ec)
return true;
else
return false;
}
inline
bool load_file_to_string(const std::string& path_to_file, std::string& target_str)
{
try
{
std::ifstream fstream;
fstream.exceptions(std::ifstream::failbit | std::ifstream::badbit);
fstream.open(path_to_file, std::ios_base::binary | std::ios_base::in | std::ios::ate);
std::ifstream::pos_type file_size = fstream.tellg();
if(file_size > 1000000000)
return false;//don't go crazy
size_t file_size_t = static_cast<size_t>(file_size);
target_str.resize(file_size_t);
fstream.seekg (0, std::ios::beg);
fstream.read((char*)target_str.data(), target_str.size());
fstream.close();
return true;
}
catch(...)
{
return false;
}
}
inline
bool append_string_to_file(const std::string& path_to_file, const std::string& str)
{
try
{
std::ofstream fstream;
fstream.exceptions(std::ifstream::failbit | std::ifstream::badbit);
fstream.open(path_to_file.c_str(), std::ios_base::binary | std::ios_base::out | std::ios_base::app);
fstream << str;
fstream.close();
return true;
}
catch(...)
{
return false;
}
}
/*
bool remove_dir_and_subirs(const char* path_to_dir);
inline
bool clean_dir(const char* path_to_dir)
{
if(!path_to_dir)
return false;
std::string folder = path_to_dir;
WIN32_FIND_DATAA find_data = {0};
HANDLE hfind = ::FindFirstFileA((folder + "\\*.*").c_str(), &find_data);
if(INVALID_HANDLE_VALUE == hfind)
return false;
do{
if(!strcmp("..", find_data.cFileName) || (!strcmp(".", find_data.cFileName)))
continue;
if(find_data.dwFileAttributes&FILE_ATTRIBUTE_DIRECTORY)
{
if(!remove_dir_and_subirs((folder + "\\" + find_data.cFileName).c_str()))
return false;
}else
{
if(!::DeleteFileA((folder + "\\" + find_data.cFileName).c_str()))
return false;
}
}while(::FindNextFileA(hfind, &find_data));
::FindClose(hfind);
return true;
}
*/
#ifdef WINDOWS_PLATFORM
inline bool get_folder_content(const std::string& path, std::list<WIN32_FIND_DATAA>& OUT target_list)
{
WIN32_FIND_DATAA find_data = {0};
HANDLE hfind = ::FindFirstFileA((path + "\\*.*").c_str(), &find_data);
if(INVALID_HANDLE_VALUE == hfind)
return false;
do{
if(!strcmp("..", find_data.cFileName) || (!strcmp(".", find_data.cFileName)))
continue;
target_list.push_back(find_data);
}while(::FindNextFileA(hfind, &find_data));
::FindClose(hfind);
return true;
}
#endif
inline bool get_folder_content(const std::string& path, std::list<std::string>& OUT target_list, bool only_files = false)
{
try
{
boost::filesystem::directory_iterator end_itr; // default construction yields past-the-end
for ( boost::filesystem::directory_iterator itr( path ); itr != end_itr; ++itr )
{
if ( only_files && boost::filesystem::is_directory(itr->status()) )
{
continue;
}
target_list.push_back(itr->path().filename().string());
}
}
catch(...)
{
return false;
}
return true;
}
}
}
#endif //_FILE_IO_UTILS_H_
