Added type traits and string utils

engine/NBCore/CMakeLists.txt

@@ -2,6 +2,7 @@ toAbsolutePath(NB_CORE_SOURCE
     ./src/Errors.cpp
 #    ./src/Logger.cpp
     ./src/Processes.cpp
+    ./src/StringUtils.cpp
     ./src/Utils.cpp
 )
 
@@ -11,6 +12,7 @@ toAbsolutePath(NB_CORE_INCLUDE
     ./Errors.hpp
     ./Logger.hpp
     ./Processes.hpp
+    ./StringUtils.hpp
     ./ThreadsafeQueue.hpp
     ./Types.hpp
     ./TypeTraits.hpp

engine/NBCore/DataSink.hpp

@@ -77,7 +77,7 @@ public:
     bool isRunning() const noexcept override {
         return this->_running && (_runningThread!=nullptr);
     }
-    bool run() {
+    bool run() override {
         if (!type_ptr->isRunning()) {
             this->_running = true;
             _runningThread = std::make_shared<std::thread>([&]{

engine/NBCore/Errors.hpp

@@ -9,23 +9,7 @@
 #include <type_traits>
 #include "TypeTraits.hpp"
 #include <unordered_map>
-#include "Utils.hpp"
+#include "StringUtils.hpp"
-
-/* #ifndef THROW_WITH_INFO
-    #ifdef CODE_ERROR_LOCATIONS
-        #define THROW_WITH_INFO(type, ...) throw type(__VA_ARGS__, __LINE__, __FILE__)
-    #else
-        #define THROW_WITH_INFO(type, ...) throw type(__VA_ARGS__)
-    #endif // CODE_ERROR_LOCATIONS
-#endif // THROW_WITH_INFO
-
-#ifndef THROW
-    #ifdef LOGGING
-        #define THROW_WTIH_INFO(type, ...) throw type(__VA_ARGS__, __LINE__, __FILE__)
-    #else
-        #define THROW(...) THROW_WITH_INFO(__VA_ARGS__)
-    #endif // LOGGING
-#endif // THROW */
 
 namespace nb {
 
@@ -83,9 +67,9 @@ public:
     ErrorBase& operator=(const ErrorBase&) = delete;
 
     virtual inline std::string str() const noexcept override {
-        std::string ret = msg;
+        std::string ret = msg + nb::NEWLINE;
         if (trace) {
-            const std::string replace = nb::NEWLINE+"  ";
+            const std::string tabover = "  ";
             std::string trace_msg;
             if (traceIsNBError) { 
                 trace_msg = std::static_pointer_cast<const ErrorBase>(trace)->str();
@@ -95,13 +79,9 @@ public:
             } else {
                 trace_msg = std::string(trace->what());
             }
-            ret += replace + "Trace: " + find_and_replace<std::string>(
+            ret += indent_strblock(trace_msg, tabover, tabover+"Trace: ")+nb::NEWLINE;
-                trace_msg,
-                nb::NEWLINE,
-                replace
-            );
         }
-        return ret + nb::NEWLINE;
+        return ret;
     }
 
     static const std::string type;
@@ -226,6 +206,7 @@ public:
     using Base::code;
     using Base::msg;
     using Base::trace;
+    using Base::traceIsNBError;
     using Base::type;
     using Base::ErrorMessages;
 
@@ -245,10 +226,11 @@ public:
 
     using Base::str;
     using Base::what;
+
     using Base::code;
     using Base::msg;
     using Base::trace;
-
+    using Base::traceIsNBError;
     static const std::string type;
     static const ErrorCodeMap ErrorMessages;
 };

engine/NBCore/Logger.hpp

@@ -2,15 +2,28 @@
 #ifndef _NB_LOGGER
 #define _NB_LOGGER
 
-#include <atomic>
 #include <chrono>
-#include <iomanip>
 #include <ostream>
 #include <thread>
-#include <type_traits>
 #include <unordered_map>
 #include <vector>
 
+#ifndef THROW_WITH_INFO
+    #ifdef CODE_ERROR_LOCATIONS
+        #define THROW_WITH_INFO(type, ...) throw type(__VA_ARGS__, __LINE__, __FILE__)
+    #else
+        #define THROW_WITH_INFO(type, ...) throw type(__VA_ARGS__)
+    #endif // CODE_ERROR_LOCATIONS
+#endif // THROW_WITH_INFO
+
+#ifndef THROW
+    #ifdef LOGGING
+        #define THROW_WTIH_INFO(type, ...) throw type(__VA_ARGS__, __LINE__, __FILE__)
+    #else
+        #define THROW(...) THROW_WITH_INFO(__VA_ARGS__)
+    #endif // LOGGING
+#endif // THROW
+
 #include "DataSink.hpp"
 #include "Processes.hpp"
 #include "ThreadSafeQueue.hpp"
@@ -23,14 +36,6 @@ typedef std::chrono::time_point<
     std::chrono::nanoseconds
 > LoggerTimePoint;
 
-struct LogEvent{
-    const LoggerTimePoint time;
-    const unsigned char lvl;
-    const std::string msg;
-    const std::thread::id tid;
-    const uint64_t pid;
-};
-
 typedef std::string (*LogProcessFunction)(const LoggerTimePoint&, const std::string&);
 typedef std::unordered_map<uint8_t, LogProcessFunction> LogProcessFunctionMap;
 
@@ -41,7 +46,7 @@ class LoggerBase
     using LoggerType = Logger;
     using Base = MultithreadedDataProcessor<LogType, LoggerType>;
 public:
-    bool run() {
+    bool run() override {
         if (!type_ptr->isRunning()) {
             this->_running = true;
             this->_runningThread = std::make_shared<std::thread>([&]{
@@ -62,6 +67,14 @@ private:
     LoggerType* type_ptr = static_cast<LoggerType*>(this);
 };
 
+struct LogEvent{
+    const LoggerTimePoint time;
+    const unsigned char lvl;
+    const std::string msg;
+    const std::thread::id tid;
+    const uint64_t pid;
+};
+
 template <typename LT>
 class DebugLogger : public LoggerBase<LogEvent, LT, std::vector<std::ostream*>>{
     using StreamType = std::vector<std::ostream*>;
@@ -90,7 +103,7 @@ public:
     }
 
     void log(const std::exception& err, const uint8_t& lvl=0xFF) {
-        type_ptr->log(err.what(), lvl);
+        type_ptr->log(prepend_strblock(err.what(), "  "), lvl);
     }
 
     template<typename U>
@@ -104,7 +117,6 @@ protected:
 
 private:
     LoggerType* type_ptr = static_cast<LoggerType*>(this);
-
 };
 
 class DefaultDebugLogger : public DebugLogger<DefaultDebugLogger> {

engine/NBCore/StringUtils.hpp

@@ -0,0 +1,142 @@
+#pragma once
+#ifndef _NB_CORE_TYPES
+#define _NB_CORE_TYPES
+
+#include <iostream>
+#include <string>
+#include <type_traits>
+
+#include "TypeTraits.hpp"
+
+namespace nb {
+
+#ifdef _NB_TARGET_WINDOWS
+    const std::string NEWLINE = "\n";
+    const std::wstring WNEWLINE = L"\n";
+#endif // _NB_TARGET_WINDOWS
+#ifdef _NB_TARGET_LINUX
+    const std::string NEWLINE = "\n";
+    const std::wstring WNEWLINE = L"\n";
+#endif // _NB_TARGET_LINUX
+
+template <typename... T>
+using StringConvertible = ValidConversion<std::string, T...>;
+
+template <typename... T>
+using WStringConvertible = ValidConversion<std::wstring, T...>;
+
+template <typename... T>
+constexpr bool StringConvertible_v = StringConvertible<T...>::value;
+
+template <typename... T>
+constexpr bool WStringConvertible_v = WStringConvertible<T...>::value;
+
+template <typename... T>
+using StringConvertible_to = typename StringConvertible<T...>::to;
+
+template <typename... T>
+using WStringConvertible_to = typename WStringConvertible<T...>::to;
+
+template <typename... T>
+using StringConvertible_from = typename StringConvertible<T...>::from;
+
+template <typename... T>
+using WStringConvertible_from = typename WStringConvertible<T...>::from;
+
+template<typename T>
+std::enable_if_t<StringConvertible_v<T>, std::wstring> str_to_wstr(T in) {
+    std::string str(in);
+    std::wstring ret(str.begin(), str.end());
+    return ret;
+}
+
+template<typename T>
+std::enable_if_t<WStringConvertible_v<T>, std::string> wstr_to_str(T in) {
+    std::wstring wstr(in);
+    std::size_t wstrlen = wstr.length();
+    char* c_str= new char[wstrlen];
+    std::wcstombs(c_str, wstr.c_str(), wstrlen);
+    std::string ret(c_str, wstrlen);
+    delete[] c_str;
+    return ret;
+}
+
+template <typename Stream, typename... Args>
+void stream(Stream& s, Args&&... args);
+
+template <typename Stream, typename... Args>
+void stream(Stream& s, Args&&... args) {
+    (s << ... << args);
+}
+
+template<typename... Args>
+void term(Args&&... args) { stream(std::cout, args..., nb::NEWLINE); }
+
+template<typename... Args>
+void wterm(Args&&... args) { stream(std::wcout, args..., nb::WNEWLINE); }
+
+template <typename T = std::string, typename A, typename B, typename C>
+ValidConversion_to<T, A, B, C> find_and_replace(
+    A original,
+    B find,
+    C replace
+) {
+    const T& find_t = T(find);
+    const T& replace_t = T(replace); 
+
+    T ret(original);
+
+    std::size_t find_len = find_t.length();
+    std::size_t replace_len = replace_t.length();
+    std::size_t currpos = 0;
+    while(true) {
+        currpos = ret.find(find_t, currpos);
+        if (currpos == T::npos) {
+            break;
+        }
+        ret = ret.erase(currpos, find_len);
+        ret = ret.insert(currpos, replace_t);
+        currpos += replace_len;
+    }
+    return ret;
+}
+
+template <typename A, typename B, typename C>
+StringConvertible_to<A, B, C> indent_strblock(
+    A block,
+    B prepend,
+    C topIndent
+) {
+    return std::string(topIndent) + find_and_replace<std::string>(
+        std::string(block),
+        nb::NEWLINE,
+        nb::NEWLINE + std::string(prepend)
+    );
+}
+
+template <typename A, typename B>
+StringConvertible_to<A, B> indent_strblock(
+    A block,
+    B prepend
+) {
+    return indent_strblock<A, B, B>(block, prepend, prepend);
+}
+
+/* template<typename T>
+T swap_endian(const T& val) {
+    T ret;
+    const int size = sizeof(T);
+    auto retLoc = static_cast<void*>(&ret);
+    auto valLoc = static_cast<const void*>(&val);
+
+    for (int i = 0; i < size; ++i) {
+        memcpy(retLoc+i, valLoc+(size-i-1), 1);
+    }
+    return ret;
+} */
+
+
+// using ByteVector = std::vector<uint8_t>;
+
+} // namespace nb
+#endif // _NB_CORE_TYPES

engine/NBCore/TypeTraits.hpp

@@ -2,7 +2,9 @@
 #ifndef _NB_TYPE_TRAITS
 #define _NB_TYPE_TRAITS
 
+#include <tuple>
 #include <type_traits>
+#include <vector>
 
 namespace nb {
 
@@ -37,11 +39,41 @@ template <
 >
 using is_detected = typename detail::detector<NoneType, void, Op, Args...>::value;
 
-/*template<std::size_t N=0, typename Func, typename... Pack>
+template <typename... Types>
+struct ValidConversion;
+
+template <typename To, typename A, typename B, typename... Rest>
+struct ValidConversion<To, A, B, Rest...> {
+    typedef std::conjunction<
+        std::is_constructible<To, A>, std::is_constructible<To, A>, std::conjunction<std::is_constructible<To, Rest>...>
+    > value_type; 
+    static constexpr bool value = value_type::value;
+    typedef std::enable_if_t<value, To> to;
+
+};
+
+template <typename To, typename From>
+struct ValidConversion<To, From> {
+    typedef std::is_constructible<To, From> value_type; 
+    static constexpr bool value = value_type::value;
+    typedef std::enable_if_t<value, To> to;
+    typedef std::enable_if_t<value, From> from;
+};
+
+template<typename... Types>
+using ValidConversion_v = typename ValidConversion<Types...>::value;
+
+template<typename... Types>
+using ValidConversion_to = typename ValidConversion<Types...>::to;
+
+template<typename To, typename From>
+using ValidConversion_from = typename ValidConversion<To, From>::from;
+
+template<typename Func, std::size_t N=0, typename... Pack>
 inline typename std::enable_if<N==sizeof...(Pack), void>::type
 ForEach(std::tuple<Pack...>&, Func) {}
 
-template<std::size_t N=0, typename Func, typename... Pack>
+template<typename Func, std::size_t N=0, typename... Pack>
 inline typename std::enable_if<N < sizeof...(Pack), void>::type
 ForEach(std::tuple<Pack...>& tup, Func f) {
     f(N, std::get<N>(tup));
@@ -99,7 +131,7 @@ struct PackIsSameType<T, PackType> {
 template <typename T, typename FirstPack, typename... Pack>
 struct PackIsSameType<T, FirstPack, Pack...> {
     const bool value = std::is_base_of<T, FirstPack>::value && PackIsSameType<T, Pack...>::value;
-};*/
+};
 
 } // namespace nb
 

engine/NBCore/Utils.hpp

@@ -2,80 +2,8 @@
 #ifndef _NB_CORE_TYPES
 #define _NB_CORE_TYPES
 
-#include <iostream>
-#include <string>
-#include <type_traits>
-
 namespace nb {
 
-#ifdef _NB_TARGET_WINDOWS
-    const std::string NEWLINE = "\n";
-    const std::wstring WNEWLINE = L"\n";
-#endif // _NB_TARGET_WINDOWS
-#ifdef _NB_TARGET_LINUX
-    const std::string NEWLINE = "\n";
-    const std::wstring WNEWLINE = L"\n";
-#endif // _NB_TARGET_LINUX
-
-template<typename T>
-std::enable_if_t<std::is_convertible_v<T, std::string>, std::wstring> str_to_wstr(T in) {
-    std::string str(in);
-    std::wstring ret(str.begin(), str.end());
-    return ret;
-}
-
-template<typename T>
-std::enable_if_t<std::is_convertible_v<T, std::wstring>, std::string> wstr_to_str(T in) {
-    std::wstring wstr(in);
-    std::size_t wstrlen = wstr.length();
-    char* c_str= new char[wstrlen];
-    std::wcstombs(c_str, wstr.c_str(), wstrlen);
-    std::string ret(c_str, wstrlen);
-    delete[] c_str;
-    return ret;
-}
-
-template <typename Stream, typename... Args>
-void stream(Stream& s, Args&&... args);
-
-template <typename Stream, typename... Args>
-void stream(Stream& s, Args&&... args) {
-    (s << ... << args);
-}
-
-template<typename... Args>
-void term(Args&&... args) { stream(std::cout, args..., nb::NEWLINE); }
-
-template<typename... Args>
-void wterm(Args&&... args) { stream(std::wcout, args..., nb::WNEWLINE); }
-
-template <typename T = std::string, typename A, typename B, typename C>
-T find_and_replace(
-    A original,
-    B find,
-    C replace
-) {
-    const T& original_t = T(original);
-    const T& find_t = T(find);
-    const T& replace_t = T(replace); 
-
-    T ret = original_t;
-
-    std::size_t find_len = find_t.length();
-    std::size_t replace_len = replace_t.length();
-    std::size_t currpos = 0;
-    while(true) {
-        currpos = ret.find(find_t, currpos);
-        if (currpos == T::npos) {
-            break;
-        }
-        ret = ret.erase(currpos, find_len);
-        ret = ret.insert(currpos, replace_t);
-        currpos += replace_len;
-    }
-    return ret;
-}
-
 /* template<typename T>
 T swap_endian(const T& val) {
     T ret;

engine/NBCore/src/Logger.cpp

@@ -10,6 +10,8 @@ static bool RUN_LOGGER(nb::DefaultDebugLogger& log) {
     return log.run();
 }
 
+
+
 static const bool LOGGER_RUNNING = RUN_LOGGER(logger);
 
 } // namespace nb

engine/NBCore/src/StringUtils.cpp

@@ -0,0 +1 @@
+#include "StringUtils.hpp"

engine/NBCore/src/Utils.cpp

@@ -1,8 +1 @@
-#include <string>
-#include "Utils.hpp"
 
-template<>
-std::wstring nb::str_to_wstr(const std::string& in) {
-    std::wstring ret(in.begin(), in.end());
-    return ret;
-}

engine/NBCore/tests/testErrors.cpp

@@ -4,7 +4,6 @@
 
 #include "Errors.hpp"
 #include <string>
-#include "Utils.hpp"
 
 using namespace nb;
 

engine/NBCore/tests/testUtils.cpp

@@ -4,7 +4,7 @@
 
 #include <string>
 #include "TypeTraits.hpp"
-#include "Utils.hpp"
+#include "StringUtils.hpp"
 
 namespace nb {