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533 lines
22 KiB
C++
533 lines
22 KiB
C++
/// @file
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/// @author rfree (current maintainer in monero.cc project)
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/// @brief various general utils taken from (and relate to) otshell project, including loggiang/debug
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/* See other files here for the LICENCE that applies here. */
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#include "ccolor.hpp"
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#ifndef INCLUDE_OT_NEWCLI_UTILS
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#define INCLUDE_OT_NEWCLI_UTILS
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#include "lib_common1.hpp"
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#ifdef __unix
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#include <unistd.h>
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#endif
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#if defined(_WIN32)
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#include"windows_stream.h"
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#endif
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#ifndef CFG_WITH_TERMCOLORS
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//#error "You requested to turn off terminal colors (CFG_WITH_TERMCOLORS), however currently they are hardcoded (this option to turn them off is not yet implemented)."
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#endif
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///Macros related to automatic deduction of class name etc;
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#define MAKE_CLASS_NAME(NAME) private: static std::string GetObjectName() { return #NAME; }
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#define MAKE_STRUCT_NAME(NAME) private: static std::string GetObjectName() { return #NAME; } public:
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// define this to debug the debug system itself:
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// #define opt_debug_debug
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#ifdef opt_debug_debug
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#define _dbg_dbg(X) do { std::cerr<<"_dbg_dbg: " << OT_CODE_STAMP << " {thread=" << boost::this_thread::get_id()<<"} " \
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<< " {pid="<<getpid()<<"} " << ": " << X << std::endl; } while(0)
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#else
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#define _dbg_dbg(X) do { } while(0)
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#endif
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namespace nOT {
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namespace nUtils {
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/// @brief general based for my runtime errors
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class myexception : public std::runtime_error {
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public:
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myexception(const char * what);
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myexception(const std::string &what);
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//virtual ~myexception();
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virtual void Report() const;
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};
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/// @macro Use this macro INJECT_OT_COMMON_USING_NAMESPACE_COMMON_1 as a shortcut for various using std::string etc.
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INJECT_OT_COMMON_USING_NAMESPACE_COMMON_1 // <=== namespaces
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// ======================================================================================
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/// text trimming functions (they do mutate the passes string); they trim based on std::isspace. also return it's reference again
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/// http://stackoverflow.com/questions/216823/whats-the-best-way-to-trim-stdstring
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std::string & trim(std::string &s); ///< trim text http://stackoverflow.com/questions/216823/whats-the-best-way-to-trim-stdstring
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std::string & ltrim(std::string &s); ///< left trim
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std::string & rtrim(std::string &s); ///< right trim
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// ======================================================================================
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std::string get_current_time();
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// string conversions
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template <class T>
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std::string ToStr(const T & obj) {
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std::ostringstream oss;
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oss << obj;
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return oss.str();
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}
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struct cNullstream : std::ostream {
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cNullstream() : std::ios(0), std::ostream(0) {}
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};
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extern cNullstream g_nullstream; // a stream that does nothing (eats/discards data)
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// ========== debug ==========
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// _dbg_ignore is moved to global namespace (on purpose)
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// TODO make _dbg_ignore thread-safe everywhere
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extern boost::recursive_mutex gLoggerGuard; // the mutex guarding logging/debugging code e.g. protecting streams, files, etc
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std::atomic<int> & gLoggerGuardDepth_Get(); // getter for the global singleton of counter (it guarantees initializing it to 0). This counter shows the current recursion (re-entrant) level of debug macros.
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// TODO more debug of the debug system:
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// detect lock() error e.g. recursive limit
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// detect stream e.g. operator<< error
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#define _debug_level(LEVEL,VAR) do { if (_dbg_ignore< LEVEL) { \
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_dbg_dbg("WRITE DEBUG: LEVEL="<<LEVEL<<" VAR: " << VAR ); \
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auto level=LEVEL; short int part=0; \
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try { \
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boost::lock_guard<boost::recursive_mutex> mutex_guard( nOT::nUtils::gLoggerGuard ); \
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part=1; \
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try { \
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++nOT::nUtils::gLoggerGuardDepth_Get(); \
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/* int counter = nOT::nUtils::gLoggerGuardDepth_Get(); if (counter!=1) gCurrentLogger.write_stream(100,"")<<"DEBUG-ERROR: recursion, counter="<<counter<<gCurrentLogger.endline(); */ \
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gCurrentLogger.write_stream(LEVEL,"") << nOT::nUtils::get_current_time() << ' ' << OT_CODE_STAMP << ' ' << VAR << gCurrentLogger.endline() << std::flush; \
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part=9; \
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} catch(...) { \
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gCurrentLogger.write_stream(std::max(level,90),"") << nOT::nUtils::get_current_time() << ' ' << OT_CODE_STAMP << ' ' << "(ERROR IN DEBUG)" << gCurrentLogger.endline(); \
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--nOT::nUtils::gLoggerGuardDepth_Get(); throw ; \
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} \
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--nOT::nUtils::gLoggerGuardDepth_Get(); \
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} catch(...) { if (part<8) gCurrentLogger.write_stream(100,"")<<"DEBUG-ERROR: problem in debug mechanism e.g. in locking." <<gCurrentLogger.endline(); throw ; } \
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} } while(0)
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// info for code below: oss object is normal stack variable, using it does not need lock protection
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#define _debug_level_c(CHANNEL,LEVEL,VAR) do { if (_dbg_ignore< LEVEL) { \
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_dbg_dbg("WRITE DEBUG: LEVEL="<<LEVEL<<" CHANNEL="<<CHANNEL<<" VAR: " << VAR ); \
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auto level=LEVEL; short int part=0; \
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try { \
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boost::lock_guard<boost::recursive_mutex> mutex_guard( nOT::nUtils::gLoggerGuard ); \
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part=1; \
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try { \
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++nOT::nUtils::gLoggerGuardDepth_Get(); \
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std::ostringstream oss; \
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oss << nOT::nUtils::get_current_time() << ' ' << OT_CODE_STAMP << ' ' << VAR << gCurrentLogger.endline() << std::flush; \
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std::string as_string = oss.str(); \
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_dbg_dbg("START will write to log LEVEL="<<LEVEL<<" to CHANNEL="<<CHANNEL<<" as_string="<<as_string); \
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/* int counter = nOT::nUtils::gLoggerGuardDepth_Get(); if (counter!=1) gCurrentLogger.write_stream(100,"")<<"DEBUG-ERROR: recursion, counter="<<counter<<gCurrentLogger.endline(); */ \
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gCurrentLogger.write_stream(LEVEL,"" ) << as_string << gCurrentLogger.endline() << std::flush; \
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gCurrentLogger.write_stream(LEVEL,CHANNEL) << as_string << gCurrentLogger.endline() << std::flush; \
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_dbg_dbg("DONE will write to log LEVEL="<<LEVEL<<" to CHANNEL="<<CHANNEL<<" as_string="<<as_string); \
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part=9; \
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} catch(...) { \
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gCurrentLogger.write_stream(std::max(level,90),CHANNEL) << nOT::nUtils::get_current_time() << ' ' << OT_CODE_STAMP << ' ' << "(ERROR IN DEBUG)" << gCurrentLogger.endline(); \
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--nOT::nUtils::gLoggerGuardDepth_Get(); throw ; \
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} \
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--nOT::nUtils::gLoggerGuardDepth_Get(); \
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} catch(...) { if (part<8) gCurrentLogger.write_stream(100,CHANNEL)<<"DEBUG-ERROR: problem in debug mechanism e.g. in locking." <<gCurrentLogger.endline(); throw ; } \
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} } while(0)
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// Numerical values of the debug levels - are defined here as const ints. Full name (with namespace) given for clarity.
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extern const int _debug_level_nr_dbg3;
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extern const int _debug_level_nr_dbg2;
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extern const int _debug_level_nr_dbg1;
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extern const int _debug_level_nr_info;
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extern const int _debug_level_nr_note;
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extern const int _debug_level_nr_fact;
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extern const int _debug_level_nr_mark;
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extern const int _debug_level_nr_warn;
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extern const int _debug_level_nr_erro;
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#define _dbg3(VAR) _debug_level( nOT::nUtils::_debug_level_nr_dbg3,VAR) // details - most detailed
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#define _dbg2(VAR) _debug_level( nOT::nUtils::_debug_level_nr_dbg2,VAR) // details - a bit more important
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#define _dbg1(VAR) _debug_level( nOT::nUtils::_debug_level_nr_dbg1,VAR) // details - more important
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#define _info(VAR) _debug_level( nOT::nUtils::_debug_level_nr_info,VAR) // information
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#define _note(VAR) _debug_level( nOT::nUtils::_debug_level_nr_note,VAR) // more interesting information
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#define _fact(VAR) _debug_level( nOT::nUtils::_debug_level_nr_fact,VAR) // interesting events that could be interesting even for user, for logical/business things
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#define _mark(VAR) _debug_level( nOT::nUtils::_debug_level_nr_mark,VAR) // marked actions
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#define _warn(VAR) _debug_level( nOT::nUtils::_debug_level_nr_warn,VAR) // some problems
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#define _erro(VAR) _debug_level( nOT::nUtils::_debug_level_nr_erro,VAR) // errors
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#define _dbg3_c(C,VAR) _debug_level_c(C, nOT::nUtils::_debug_level_nr_dbg3, VAR) // details - most detailed
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#define _dbg2_c(C,VAR) _debug_level_c(C, nOT::nUtils::_debug_level_nr_dbg2, VAR) // details - a bit more important
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#define _dbg1_c(C,VAR) _debug_level_c(C, nOT::nUtils::_debug_level_nr_dbg1, VAR) // details - more important
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#define _info_c(C,VAR) _debug_level_c(C, nOT::nUtils::_debug_level_nr_info, VAR) // information
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#define _note_c(C,VAR) _debug_level_c(C, nOT::nUtils::_debug_level_nr_note, VAR) // more interesting information
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#define _fact_c(C,VAR) _debug_level_c(C, nOT::nUtils::_debug_level_nr_fact, VAR) // interesting events that could be interesting even for user, for logical/business things
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#define _mark_c(C,VAR) _debug_level_c(C, nOT::nUtils::_debug_level_nr_mark, VAR) // marked actions
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#define _warn_c(C,VAR) _debug_level_c(C, nOT::nUtils::_debug_level_nr_warn, VAR) // some problems
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#define _erro_c(C,VAR) _debug_level_c(C, nOT::nUtils::_debug_level_nr_erro, VAR) // errors
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// lock // because of VAR
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#define _scope_debug_level_c(CHANNEL,LEVEL,VAR) \
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std::ostringstream debug_detail_oss; \
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nOT::nUtils::gLoggerGuard.lock(); \
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debug_detail_oss << OT_CODE_STAMP << ' ' << VAR ; \
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nOT::nUtils::nDetail::cDebugScopeGuard debugScopeGuard; \
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if (_dbg_ignore<LEVEL) debugScopeGuard.Assign(CHANNEL,LEVEL, debug_detail_oss.str()); \
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if (_dbg_ignore<LEVEL) _debug_level_c(CHANNEL,LEVEL,debug_detail_oss.str() + " ... begin"); \
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nOT::nUtils::gLoggerGuard.unlock();
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#define _scope_debug_level(LEVEL,VAR) _scope_debug_level_c("",LEVEL,VAR)
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#define _scope_dbg1(VAR) _scope_debug_level( _debug_level_nr_dbg3, VAR)
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#define _scope_dbg2(VAR) _scope_debug_level( _debug_level_nr_dbg2, VAR)
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#define _scope_dbg3(VAR) _scope_debug_level( _debug_level_nr_dbg1, VAR)
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#define _scope_info(VAR) _scope_debug_level( _debug_level_nr_info, VAR)
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#define _scope_note(VAR) _scope_debug_level( _debug_level_nr_note, VAR)
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#define _scope_fact(VAR) _scope_debug_level( _debug_level_nr_fact, VAR)
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#define _scope_mark(VAR) _scope_debug_level( _debug_level_nr_mark, VAR)
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#define _scope_warn(VAR) _scope_debug_level( _debug_level_nr_warn, VAR)
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#define _scope_erro(VAR) _scope_debug_level( _debug_level_nr_erro, VAR)
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/***
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@brief do not use this namespace directly, it is implementation detail.
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*/
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namespace nDetail {
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/***
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@brief a Debug scope-guard, to log a debug message when current scope is left. Do NOT use this directly,
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only use it via the macros like _scope_dbg1 etc.
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*/
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class cDebugScopeGuard {
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protected:
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string mMsg;
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int mLevel;
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string mChan;
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public:
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cDebugScopeGuard();
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~cDebugScopeGuard();
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void Assign(const string &chan, const int level, const string &msg);
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};
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const char* DbgShortenCodeFileName(const char *s); ///< Returns a pointer to some part of the string that was given, skipping directory names, for log/debug
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} // namespace nDetail
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// ========== logger ==========
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namespace nDetail {
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struct channel_use_info;
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} // namespace nDetail
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/***
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@brief Class to write debug into. Used it by calling the debug macros _dbg1(...) _info(...) _erro(...) etc, NOT directly!
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@author rfree (maintainer)
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@thread this class is NOT thread safe and must used only by one thread at once (use it via ot_debug_macros like _info macro they do proper locking)
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*/
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class cLogger {
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public:
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cLogger();
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~cLogger();
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std::ostream & write_stream(int level); ///< starts a new message on given level (e.g. writes out the icon/tag) and returns stream to output to
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std::ostream & write_stream(int level, const std::string & channel); ///< the same but with name of the debug channel
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void setOutStreamFromGlobalOptions(); // set debug level, file etc - according to global Options
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void setOutStreamFile(const std::string &fname); // switch to using this file
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void setDebugLevel(int level); // change the debug level e.g. to mute debug from now
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std::string icon(int level) const; ///< returns "icon" for given debug level. It is text, might include color controll characters
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std::string endline() const; ///< returns string to be written at end of message
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protected:
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typedef long int t_anypid; // a portable representation of PID. long int should cover all platforms
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void SetStreamBroken(); ///< call in case of internal error in logger (e.g. can not open a file)
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void SetStreamBroken(const std::string &msg); ///< same but with error message
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unique_ptr<std::ofstream> mOutfile;
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std::ostream * mStream; ///< pointing only! can point to our own mOutfile, or maye to global null stream
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std::ostream * mStreamBrokenDebug; ///< pointing only! this is a pointer to some stream that should be used when normal debugging is broken eg std::cerr
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bool mIsBroken; ///< is the debugging system broken (this should be set when internal problems occur and should cause fallback to std::cerr)
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std::map< std::string , std::ofstream * > mChannels; // the ofstream objects are owned by this class
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int mLevel; ///< current debug level
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std::ostream & SelectOutput(int level, const std::string & channel) noexcept; ///< returns a proper stream for this level and channel (always usable string)
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void OpenNewChannel(const std::string & channel) noexcept; ///< tries to prepare this channel. does NOT guarantee to created mChannels[] entry!
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void OpenNewChannel_(const std::string & channel); ///< internal function, will throw in case of problems
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std::string GetLogBaseDir() const;
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std::map< boost::thread::id , int > mThread2Number; ///< change long thread IDs into a short nice number to show
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int mThread2Number_Biggest; ///< current biggest value held there (biggest key) - works as growing-only counter basically
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int Thread2Number(const boost::thread::id id); ///< convert the system's thread id into a nice short our id; make one if new thread
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std::map< t_anypid , int > mPid2Number; ///< change long proces PID into a short nice number to show
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int mPid2Number_Biggest; ///< current biggest value held there (biggest key) - works as growing-only counter basically
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int Pid2Number(const t_anypid id); ///< convert the system's PID id into a nice short our id; make one if new thread
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};
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// ====================================================================
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// vector debug
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template <class T>
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std::string vectorToStr(const T & v) {
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std::ostringstream oss;
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for(auto rec: v) {
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oss << rec <<",";
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}
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return oss.str();
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}
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template <class T>
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void DisplayVector(std::ostream & out, const std::vector<T> &v, const std::string &delim=" ") {
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std::copy( v.begin(), v.end(), std::ostream_iterator<T>(out, delim.c_str()) );
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}
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template <class T>
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void EndlDisplayVector(std::ostream & out, const std::vector<T> &v, const std::string &delim=" ") {
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out << std::endl;
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DisplayVector(out,v,delim);
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}
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template <class T>
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void DisplayVectorEndl(std::ostream & out, const std::vector<T> &v, const std::string &delim=" ") {
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DisplayVector(out,v,delim);
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out << std::endl;
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}
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template <class T>
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void DbgDisplayVector(const std::vector<T> &v, const std::string &delim=" ") {
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std::cerr << "[";
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std::copy( v.begin(), v.end(), std::ostream_iterator<T>(std::cerr, delim.c_str()) );
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std::cerr << "]";
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}
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string stringToColor(const string &hash);
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template <class T, class T2>
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void DisplayMap(std::ostream & out, const std::map<T, T2> &m, const std::string &delim=" ") {
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auto *no_color = zkr::cc::fore::console;
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for(auto var : m) {
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out << stringToColor(var.first) << var.first << delim << var.second << no_color << endl;
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}
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}
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template <class T, class T2>
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void EndlDisplayMap(std::ostream & out, const std::map<T, T2> &m, const std::string &delim=" ") {
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out << endl;
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for(auto var : m) {
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out << var.first << delim << var.second << endl;
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}
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}
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template <class T, class T2>
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void DbgDisplayMap(const std::map<T, T2> &m, const std::string &delim=" ") {
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for(auto var : m) {
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std::cerr << var.first << delim << var.second << endl;
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}
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}
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template <class T>
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void DbgDisplayVectorEndl(const std::vector<T> &v, const std::string &delim=" ") {
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DbgDisplayVector(v,delim);
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std::cerr << std::endl;
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}
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void DisplayStringEndl(std::ostream & out, const std::string text);
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bool CheckIfBegins(const std::string & beggining, const std::string & all);
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bool CheckIfEnds (std::string const & ending, std::string const & all);
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std::string SpaceFromEscape(const std::string &s);
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std::string EscapeFromSpace(const std::string &s);
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vector<string> WordsThatMatch(const std::string & sofar, const vector<string> & possib);
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char GetLastChar(const std::string & str);
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std::string GetLastCharIf(const std::string & str); // TODO unicode?
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std::string EscapeString(const std::string &s);
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template <class T>
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std::string DbgVector(const std::vector<T> &v, const std::string &delim="|") {
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std::ostringstream oss;
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oss << "[";
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bool first=true;
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for(auto vElement : v) { if (!first) oss<<delim; first=false; oss <<vElement ; }
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oss << "]";
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//std::copy( v.begin(), v.end(), std::ostream_iterator<T>(oss, delim.c_str()) );
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return oss.str();
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}
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template <class T>
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std::ostream & operator<<(std::ostream & os, const map< T, vector<T> > & obj){
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os << "[";
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for(auto const & elem : obj) {
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os << " [" << elem.first << "=" << DbgVector(elem.second) << "] ";
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}
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os << "]";
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return os;
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}
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template <class T, class T2>
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std::string DbgMap(const map<T, T2> & map) {
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std::ostringstream oss;
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oss << map;
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return oss.str();
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}
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// ====================================================================
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// assert
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// ASRT - assert. Name like ASSERT() was too long, and ASS() was just... no.
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// Use it like this: ASRT( x>y ); with the semicolon at end, a clever trick forces this syntax :)
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#define ASRT(x) do { if (!(x)) nOT::nUtils::Assert(false, OT_CODE_STAMP, #x); } while(0)
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void Assert(bool result, const std::string &stamp, const std::string &condition);
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// ====================================================================
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// advanced string
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const std::string GetMultiline(string endLine = "~");
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vector<string> SplitString(const string & str);
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|
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bool checkPrefix(const string & str, char prefix = '^');
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// ====================================================================
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// nUse utils
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|
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enum class eSubjectType {Account, Asset, User, Server, Unknown};
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string SubjectType2String(const eSubjectType & type);
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eSubjectType String2SubjectType(const string & type);
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|
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// ====================================================================
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|
// operation on files
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|
|
|
/// @brief tools related to filesystem
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|
/// @author rfree (maintainer)
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|
class cFilesystemUtils { // if we do not want to use boost in given project (or we could optionally write boost here later)
|
|
public:
|
|
static bool CreateDirTree(const std::string & dir, bool only_below=false);
|
|
static char GetDirSeparatorSys(); /// < eg '/' or '\'
|
|
static char GetDirSeparatorInter(); /// < internal is '/'
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static string FileInternalToSystem(const std::string &name); ///< converts from internal file name string to system file name string
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|
static string FileSystemToInternal(const std::string &name); ///< converts from system file name string to internal file name string
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};
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|
|
|
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/// @brief utils to e.g. edit a file from console
|
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/// @author rfree (maintainer)
|
|
class cEnvUtils {
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|
int fd;
|
|
string mFilename;
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|
|
|
void GetTmpTextFile();
|
|
void CloseFile();
|
|
void OpenEditor();
|
|
const string ReadFromTmpFile();
|
|
public:
|
|
const string Compose();
|
|
const string ReadFromFile(const string path);
|
|
};
|
|
void hintingToTxt(std::fstream & file, string command, vector<string> &commands);
|
|
void generateQuestions (std::fstream & file, string command);
|
|
void generateAnswers (std::fstream & file, string command, vector<string> &completions);
|
|
|
|
// ====================================================================
|
|
|
|
namespace nOper { // nOT::nUtils::nOper
|
|
// cool shortcut operators, like vector + vecotr operator working same as string (appending)
|
|
// isolated to namespace because it's unorthodox ide to implement this
|
|
|
|
using namespace std;
|
|
|
|
// TODO use && and move?
|
|
template <class T>
|
|
vector<T> operator+(const vector<T> &a, const vector<T> &b) {
|
|
vector<T> ret = a;
|
|
ret.insert( ret.end() , b.begin(), b.end() );
|
|
return ret;
|
|
}
|
|
|
|
template <class T>
|
|
vector<T> operator+(const T &a, const vector<T> &b) {
|
|
vector<T> ret(1,a);
|
|
ret.insert( ret.end() , b.begin(), b.end() );
|
|
return ret;
|
|
}
|
|
|
|
template <class T>
|
|
vector<T> operator+(const vector<T> &a, const T &b) {
|
|
vector<T> b_vector(1,a);
|
|
return a + b_vector;
|
|
}
|
|
|
|
template <class T>
|
|
vector<T>& operator+=(vector<T> &a, const vector<T> &b) {
|
|
a.insert( a.end() , b.begin(), b.end() );
|
|
return a;
|
|
}
|
|
|
|
// map
|
|
template <class TK,class TV>
|
|
map<TK,TV> operator+(const map<TK,TV> &a, const map<TK,TV> &b) {
|
|
map<TK,TV> ret = a;
|
|
for (const auto & elem : b) {
|
|
ret.insert(elem);
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
|
|
} // nOT::nUtils::nOper
|
|
|
|
// ====================================================================
|
|
|
|
// ====================================================================
|
|
|
|
// Algorithms
|
|
|
|
// ====================================================================
|
|
// ====================================================================
|
|
|
|
|
|
/**
|
|
@brief Special type that on creation will be initialized to have value INIT given as template argument.
|
|
Might be usefull e.g. to express in the declaration of class what will be the default value of member variable
|
|
See also http://www.boost.org/doc/libs/1_56_0/libs/utility/value_init.htm
|
|
Probably not needed when using boost in your project.
|
|
*/
|
|
template <class T, T INIT>
|
|
class value_init {
|
|
private:
|
|
T data;
|
|
public:
|
|
value_init();
|
|
|
|
T& operator=(const T& v) { data=v; return *this; }
|
|
operator T const &() const { return data; }
|
|
operator T&() { return data; }
|
|
};
|
|
|
|
template <class T, T INIT>
|
|
value_init<T, INIT>::value_init() : data(INIT) { }
|
|
|
|
} // namespace nUtils
|
|
|
|
} // namespace nOT
|
|
|
|
|
|
// global namespace
|
|
extern nOT::nUtils::cLogger gCurrentLogger; ///< The current main logger. Usually do not use it directly, instead use macros like _dbg1 etc
|
|
|
|
std::string GetObjectName(); ///< Method to return name of current object; To use in debug; Can be shadowed in your classes. (Might be not used currently)
|
|
|
|
const extern int _dbg_ignore; ///< the global _dbg_ignore, but local code (blocks, classes etc) you could shadow it in your code blocks,
|
|
// to override debug compile-time setting for given block/class, e.g. to disable debug in one of your methods or increase it there.
|
|
// Or to make it runtime by providing a class normal member and editing it in runtime
|
|
|
|
#define OT_CODE_STAMP ( nOT::nUtils::ToStr("[") + nOT::nUtils::nDetail::DbgShortenCodeFileName(__FILE__) + nOT::nUtils::ToStr("+") + nOT::nUtils::ToStr(__LINE__) + nOT::nUtils::ToStr(" ") + (GetObjectName()) + nOT::nUtils::ToStr("::") + nOT::nUtils::ToStr(__FUNCTION__) + nOT::nUtils::ToStr("]"))
|
|
|
|
|
|
|
|
|
|
#endif
|
|
|