/// @file
/// @author rfree (current maintainer in monero.cc project)
/// @brief various general utils taken from (and relate to) otshell project, including loggiang/debug
/* See other files here for the LICENCE that applies here. */
/* See header file .hpp for info */
#include <algorithm>
#include <functional>
#include <cctype>
#include <locale>
#include <fstream>
#include <iostream>
#include <iomanip>
#include "utils.hpp"
#include "ccolor.hpp"
#include "lib_common1.hpp"
#include "runoptions.hpp"
#if defined(_WIN32) || defined(WIN32) || defined(_WIN64) || defined (WIN64)
#define OS_TYPE_WINDOWS
#elif defined(__unix__) || defined(__posix) || defined(__linux) || defined(__darwin) || defined(__APPLE__) || defined(__clang__)
#define OS_TYPE_POSIX
#else
#warning "Compiler/OS platform is not recognized. Just assuming it will work as POSIX then"
#define OS_TYPE_POSIX
#endif
#if defined(OS_TYPE_WINDOWS)
#include <windows.h>
#elif defined(OS_TYPE_POSIX)
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
#else
#error "Compiler/OS platform detection failed - not supported"
#endif
namespace nOT {
namespace nUtils {
INJECT_OT_COMMON_USING_NAMESPACE_COMMON_1 // <=== namespaces
myexception::myexception(const char * what)
: std::runtime_error(what)
{ }
myexception::myexception(const std::string &what)
: std::runtime_error(what)
{ }
void myexception::Report() const {
_erro("Error: " << what());
}
//myexception::~myexception() { }
// ====================================================================
// text trimming
// http://stackoverflow.com/questions/216823/whats-the-best-way-to-trim-stdstring
std::string & ltrim(std::string &s) {
s.erase(s.begin(), std::find_if(s.begin(), s.end(), std::not1(std::ptr_fun<int, int>(std::isspace))));
return s;
}
std::string & rtrim(std::string &s) {
s.erase(std::find_if(s.rbegin(), s.rend(), std::not1(std::ptr_fun<int, int>(std::isspace))).base(), s.end());
return s;
}
std::string & trim(std::string &s) {
return ltrim(rtrim(s));
}
std::string get_current_time() {
std::chrono::system_clock::time_point now = std::chrono::system_clock::now();
time_t time_now = std::chrono::system_clock::to_time_t(now);
std::chrono::high_resolution_clock::duration duration = now.time_since_epoch();
int64_t micro = std::chrono::duration_cast<std::chrono::microseconds>(duration).count();
// std::localtime() - This function may not be thread-safe.
#ifdef OS_TYPE_WINDOWS
struct tm * tm_pointer = std::localtime( &time_now ); // thread-safe on mingw-w64 (thread local variable) and on MSVC btw
// http://stackoverflow.com/questions/18551409/localtime-r-support-on-mingw
// tm_pointer points to thread-local data, memory is owned/managed by the system/library
#else
// linux, freebsd, have this
struct tm tm_object; // automatic storage duration http://en.cppreference.com/w/cpp/language/storage_duration
struct tm * tm_pointer = & tm_object; // just point to our data
auto x = localtime_r( &time_now , tm_pointer ); // modifies our own (this thread) data in tm_object, this is safe http://linux.die.net/man/3/localtime_r
if (x != tm_pointer) return "(internal error in get_current_time)"; // redundant check in case of broken implementation of localtime_r
#endif
// tm_pointer now points to proper time data, and that memory is automatically managed
if (!tm_pointer) return "(internal error in get_current_time - NULL)"; // redundant check in case of broken implementation of used library methods
std::stringstream stream;
stream << std::setfill('0')
<< std::setw(2) << tm_pointer->tm_year+1900
<< '-' << std::setw(2) << tm_pointer->tm_mon+1
<< '-' << std::setw(2) << tm_pointer->tm_mday
<< ' ' << std::setw(2) << tm_pointer->tm_hour
<< ':' << std::setw(2) << tm_pointer->tm_min
<< ':' << std::setw(2) << tm_pointer->tm_sec
<< '.' << std::setw(6) << (micro%1000000); // 6 because microseconds
return stream.str();
}
cNullstream g_nullstream; // extern a stream that does nothing (eats/discards data)
std::recursive_mutex gLoggerGuard; // extern
std::atomic<int> gLoggerGuardDepth; // extern
std::atomic<int> & gLoggerGuardDepth_Get() {
// TODO std::once would be nicer here
static bool once=0;
if (!once) { // initialize it once
once=1;
gLoggerGuardDepth=0;
}
return gLoggerGuardDepth; // global, atomic counter
}
// ====================================================================
namespace nDetail {
const char* DbgShortenCodeFileName(const char *s) {
const char *p = s;
const char *a = s;
bool inc=1;
while (*p) {
++p;
if (inc && ('\0' != * p)) { a=p; inc=false; } // point to the current character (if valid) becasue previous one was slash
if ((*p)=='/') { a=p; inc=true; } // point at current slash (but set inc to try to point to next character)
}
return a;
}
}
// a workaround for MSVC compiler; e.g. see https://bugs.webkit.org/show_bug.cgi?format=multiple&id=125795
#ifndef _MSC_VER
template<typename T, typename ...Args>
std::unique_ptr<T> make_unique( Args&& ...args )
{
return std::unique_ptr<T>( new T( std::forward<Args>(args)... ) );
}
#else
using std::make_unique;
#endif
// ====================================================================
char cFilesystemUtils::GetDirSeparator() {
// TODO nicer os detection?
#if defined(OS_TYPE_POSIX)
return '/';
#elif defined(OS_TYPE_WINDOWS)
return '\\';
#else
#error "Do not know how to compile this for your platform."
#endif
}
bool cFilesystemUtils::CreateDirTree(const std::string & dir, bool only_below) {
const bool dbg=false;
//struct stat st;
const char dirch = cFilesystemUtils::GetDirSeparator();
std::istringstream iss(dir);
string part, sofar="";
if (dir.size()<1) return false; // illegal name
// dir[0] is valid from here
if (only_below && (dir[0]==dirch)) return false; // no jumping to top (on any os)
while (getline(iss,part,dirch)) {
if (dbg) cout << '['<<part<<']' << endl;
sofar += part;
if (part.size()<1) return false; // bad format?
if ((only_below) && (part=="..")) return false; // going up
if (dbg) cout << "test ["<<sofar<<"]"<<endl;
// TODO nicer os detection?
#if defined(OS_TYPE_POSIX)
struct stat st;
bool exists = stat(sofar.c_str() ,&st) == 0; // *
if (exists) {
if (! S_ISDIR(st.st_mode)) {
// std::cerr << "This exists, but as a file: [" << sofar << "]" << (size_t)st.st_ino << endl;
return false; // exists but is a file nor dir
}
}
#elif defined(OS_TYPE_WINDOWS)
DWORD dwAttrib = GetFileAttributesA(sofar.c_str());
bool exists = (dwAttrib != INVALID_FILE_ATTRIBUTES && (dwAttrib & FILE_ATTRIBUTE_DIRECTORY));
#else
#error "Do not know how to compile this for your platform."
#endif
if (!exists) {
if (dbg) cout << "mkdir ["<<sofar<<"]"<<endl;
#if defined(OS_TYPE_POSIX)
bool ok = 0== mkdir(sofar.c_str(), 0700); // ***
#elif defined(OS_TYPE_WINDOWS)
bool ok = (bool) CreateDirectoryA(sofar.c_str(), NULL); // TODO use -W() after conversion to unicode UTF16
#else
#error "Do not know how to compile this for your platform."
#endif
if (!ok) return false;
}
sofar += cFilesystemUtils::GetDirSeparator();
}
return true;
}
// ====================================================================
namespace nDetail {
cDebugScopeGuard::cDebugScopeGuard() : mLevel(-1) {
}
cDebugScopeGuard::~cDebugScopeGuard() {
if (mLevel != -1) {
gCurrentLogger.write_stream(mLevel,mChan) << mMsg << " ... end" << gCurrentLogger.endline() << std::flush;
}
}
void cDebugScopeGuard::Assign(const string &chan, const int level, const string &msg) {
mChan=chan;
mLevel=level;
mMsg=msg;
}
} // namespace nDetail
// ====================================================================
cLogger::cLogger() :
mStream(NULL),
mLevel(85),
mThread2Number_Biggest(0) // the CURRENT biggest value (no thread yet in map)
{
mStream = & std::cout;
Thread2Number( std::this_thread::get_id() ); // convert current id to short number, useful to reserve a number so that main thread is usually called 1
}
cLogger::~cLogger() {
for (auto pair : mChannels) {
std::ofstream *ptr = pair.second;
delete ptr;
pair.second=NULL;
}
}
std::ostream & cLogger::write_stream(int level) {
return write_stream(level,"");
}
std::ostream & cLogger::write_stream(int level, const std::string & channel ) {
if ((level >= mLevel) && (mStream)) {
ostream & output = SelectOutput(level,channel);
output << icon(level) << ' ';
std::thread::id this_id = std::this_thread::get_id();
output << "{" << Thread2Number(this_id) << "} ";
return output;
}
return g_nullstream;
}
std::string cLogger::GetLogBaseDir() const {
return "log";
}
void cLogger::OpenNewChannel(const std::string & channel) {
size_t last_split = channel.find_last_of(cFilesystemUtils::GetDirSeparator());
// log/test/aaa
// ^----- last_split
string dir = GetLogBaseDir() + cFilesystemUtils::GetDirSeparator() + channel.substr(0, last_split);
string basefile = channel.substr(last_split+1) + ".log";
string fname = dir + cFilesystemUtils::GetDirSeparator() + cFilesystemUtils::GetDirSeparator() + basefile;
_dbg1("Starting debug to channel file: " + fname + " in directory ["+dir+"]");
bool dirok = cFilesystemUtils::CreateDirTree(dir);
if (!dirok) { const string msg = "In logger failed to open directory (" + dir +")."; _erro(msg); throw std::runtime_error(msg); }
std::ofstream * thefile = new std::ofstream( fname.c_str() );
*thefile << "====== (Log opened: " << fname << ") ======" << endl;
mChannels.insert( std::pair<string,std::ofstream*>(channel , thefile ) );
}
std::ostream & cLogger::SelectOutput(int level, const std::string & channel) {
if (channel=="") return *mStream;
auto obj = mChannels.find(channel);
if (obj == mChannels.end()) { // new channel
OpenNewChannel(channel);
return SelectOutput(level,channel);
}
else { // existing
return * obj->second;
}
}
void cLogger::setOutStreamFile(const string &fname) { // switch to using this file
_mark("WILL SWITCH DEBUG NOW to file: " << fname);
mOutfile = make_unique<std::ofstream>(fname);
mStream = & (*mOutfile);
_mark("Started new debug, to file: " << fname);
}
void cLogger::setOutStreamFromGlobalOptions() {
if ( gRunOptions.getDebug() ) {
if ( gRunOptions.getDebugSendToFile() ) {
mOutfile = make_unique<std::ofstream> ("debuglog.txt");
mStream = & (*mOutfile);
}
else if ( gRunOptions.getDebugSendToCerr() ) {
mStream = & std::cerr;
}
else {
mStream = & g_nullstream;
}
}
else {
mStream = & g_nullstream;
}
}
void cLogger::setDebugLevel(int level) {
bool note_before = (mLevel > level); // report the level change before or after the change? (on higher level)
if (note_before) _note("Setting debug level to "<<level);
mLevel = level;
if (!note_before) _note("Setting debug level to "<<level);
}
std::string cLogger::icon(int level) const {
// TODO replan to avoid needles converting back and forth char*, string etc
using namespace zkr;
if (level >= 100) return cc::back::red + ToStr(cc::fore::black) + ToStr("ERROR ") + ToStr(cc::fore::lightyellow) + " " ;
if (level >= 90) return cc::back::lightyellow + ToStr(cc::fore::black) + ToStr("Warn ") + ToStr(cc::fore::red)+ " " ;
if (level >= 80) return cc::back::lightmagenta + ToStr(cc::fore::black) + ToStr("MARK "); //+ zkr::cc::console + ToStr(cc::fore::lightmagenta)+ " ";
if (level >= 75) return cc::back::lightyellow + ToStr(cc::fore::black) + ToStr("FACT ") + zkr::cc::console + ToStr(cc::fore::lightyellow)+ " ";
if (level >= 70) return cc::fore::green + ToStr("Note ");
if (level >= 50) return cc::fore::cyan + ToStr("info ");
if (level >= 40) return cc::fore::lightwhite + ToStr("dbg ");
if (level >= 30) return cc::fore::lightblue + ToStr("dbg ");
if (level >= 20) return cc::fore::blue + ToStr("dbg ");
return " ";
}
std::string cLogger::endline() const {
return ToStr("") + zkr::cc::console + ToStr("\n"); // TODO replan to avoid needles converting back and forth char*, string etc
}
int cLogger::Thread2Number(const std::thread::id id) {
auto found = mThread2Number.find( id );
if (found == mThread2Number.end()) { // new one
mThread2Number_Biggest++;
mThread2Number[id] = mThread2Number_Biggest;
return mThread2Number_Biggest;
// _info("(This is a new thread)"); // recursion!
} else {
return mThread2Number[id];
}
}
// ====================================================================
// object gCurrentLogger is defined later - in global namespace below
// ====================================================================
// vector debug
void DisplayStringEndl(std::ostream & out, const std::string text) {
out << text;
out << std::endl;
}
std::string SpaceFromEscape(const std::string &s) {
std::ostringstream newStr;
for(size_t i = 0; i < s.length();i++) {
if(s[i] == '\\' && s[i+1] ==32)
newStr<<"";
else
newStr<<s[i];
}
return newStr.str();
}
std::string EscapeFromSpace(const std::string &s) {
std::ostringstream newStr;
for(size_t i = 0; i < s.length();i++) {
if(s[i] == 32)
newStr << "\\" << " ";
else
newStr << s[i];
}
return newStr.str();
}
std::string EscapeString(const std::string &s) {
std::ostringstream newStr;
for(size_t i = 0; i < s.length();i++) {
if(s[i] >=32 && s[i] <= 126)
newStr<<s[i];
else
newStr<<"\\"<< (int) s[i];
}
return newStr.str();
}
bool CheckIfBegins(const std::string & beggining, const std::string & all) {
if (all.compare(0, beggining.length(), beggining) == 0) {
return 1;
}
else {
return 0;
}
}
bool CheckIfEnds (std::string const & ending, std::string const & all){
if (all.length() >= ending.length()) {
return (0 == all.compare (all.length() - ending.length(), ending.length(), ending));
} else {
return false;
}
}
vector<string> WordsThatMatch(const std::string & sofar, const vector<string> & possib) {
vector<string> ret;
for ( auto rec : possib) { // check of possibilities
if (CheckIfBegins(sofar,rec)) {
rec = EscapeFromSpace(rec);
ret.push_back(rec); // this record matches
}
}
return ret;
}
char GetLastChar(const std::string & str) { // TODO unicode?
auto s = str.length();
if (s==0) throw std::runtime_error("Getting last character of empty string (" + ToStr(s) + ")" + OT_CODE_STAMP);
return str.at( s - 1);
}
std::string GetLastCharIf(const std::string & str) { // TODO unicode?
auto s = str.length();
if (s==0) return ""; // empty string signalizes ther is nothing to be returned
return std::string( 1 , str.at( s - 1) );
}
// ====================================================================
// ASRT - assert. Name like ASSERT() was too long, and ASS() was just... no.
// Use it like this: ASRT( x>y ); with the semicolon at end, a clever trick forces this syntax :)
void Assert(bool result, const std::string &stamp, const std::string &condition) {
if (!result) {
_erro("Assert failed at "+stamp+": ASSERT( " << condition << ")");
throw std::runtime_error("Assert failed at "+stamp+": ASSERT( " + condition + ")");
}
}
// ====================================================================
// advanced string
const std::string GetMultiline(string endLine) {
std::string result(""); // Taken from OT_CLI_ReadUntilEOF
while (true) {
std::string input_line("");
if (std::getline(std::cin, input_line, '\n'))
{
input_line += "\n";
if (input_line[0] == '~')
break;
result += input_line;
}
if (std::cin.eof() )
{
std::cin.clear();
break;
}
if (std::cin.fail() )
{
std::cin.clear();
break;
}
if (std::cin.bad())
{
std::cin.clear();
break;
}
}
return result;
}
vector<string> SplitString(const string & str){
std::istringstream iss(str);
vector<string> vec { std::istream_iterator<string>{iss}, std::istream_iterator<string>{} };
return vec;
}
bool checkPrefix(const string & str, char prefix) {
if (str.at(0) == prefix)
return true;
return false;
}
// ====================================================================
// operation on files
#ifdef __unix
void cEnvUtils::GetTmpTextFile() {
// TODO make this name configurable (depending on project)
char filename[] = "/tmp/otshellutils_text.XXXXXX";
fd = mkstemp(filename);
if (fd == -1) {
_erro("Can't create the file: " << filename);
return;
}
mFilename = filename;
}
void cEnvUtils::CloseFile() {
close(fd);
unlink( mFilename.c_str() );
}
void cEnvUtils::OpenEditor() {
char* editor = std::getenv("OT_EDITOR"); //TODO Read editor from configuration file
if (editor == NULL)
editor = std::getenv("VISUAL");
if (editor == NULL)
editor = std::getenv("EDITOR");
string command;
if (editor != NULL)
command = ToStr(editor) + " " + mFilename;
else
command = "/usr/bin/editor " + mFilename;
_dbg3("Opening editor with command: " << command);
if ( system( command.c_str() ) == -1 )
_erro("Cannot execute system command: " << command);
}
const string cEnvUtils::ReadFromTmpFile() {
std::ifstream ifs(mFilename);
string msg((std::istreambuf_iterator<char>(ifs)), std::istreambuf_iterator<char>());
return msg;
}
const string cEnvUtils::Compose() {
GetTmpTextFile();
OpenEditor();
string input = ReadFromTmpFile();
CloseFile();
return input;
}
#endif
const string cEnvUtils::ReadFromFile(const string path) {
std::ifstream ifs(path);
string msg((std::istreambuf_iterator<char>(ifs)), std::istreambuf_iterator<char>());
return msg;
}
void hintingToTxt(std::fstream & file, string command, vector<string> &commands) {
if(file.good()) {
file<<command<<"~"<<endl;
for (auto a: commands) {
file <<a<< " ";
file.flush();
}
file<<endl;
}
}
string stringToColor(const string &hash) {
// Generete vector with all possible light colors
vector <string> lightColors;
using namespace zkr;
lightColors.push_back(cc::fore::lightblue);
lightColors.push_back(cc::fore::lightred);
lightColors.push_back(cc::fore::lightmagenta);
lightColors.push_back(cc::fore::lightgreen);
lightColors.push_back(cc::fore::lightcyan);
lightColors.push_back(cc::fore::lightyellow);
lightColors.push_back(cc::fore::lightwhite);
int sum=0;
for (auto ch : hash) sum+=ch;
auto color = sum%(lightColors.size()-1);
return lightColors.at( color );
}
// ====================================================================
// algorthms
} // namespace nUtil
} // namespace OT
// global namespace
const extern int _dbg_ignore = 0; // see description in .hpp
std::string GetObjectName() {
//static std::string * name=nullptr;
//if (!name) name = new std::string("(global)");
return "";
}
// ====================================================================
nOT::nUtils::cLogger gCurrentLogger;
