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add support for new data types
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@NewYaroslav
NewYaroslav committed Nov 17, 2024
1 parent 35b8a4a commit 2d40916
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Showing 4 changed files with 283 additions and 36 deletions.
95 changes: 88 additions & 7 deletions examples/example_logit_basic.cpp
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Original file line number Diff line number Diff line change
@@ -1,3 +1,6 @@
/// \file logging_example.cpp
/// \brief Demonstrates the usage of the LogIt library with various data types and scenarios.

#define LOGIT_BASE_PATH "E:\\_repoz\\log-it-cpp"

#include <iostream>
Expand All @@ -17,6 +20,28 @@ enum COLORS {
WHITE,
};

// Custom error category for demonstration
class CustomErrorCategory : public std::error_category {
public:
const char* name() const noexcept override {
return u8"CustomErrorCategory";
}

std::string message(int ev) const override {
switch (ev) {
case 1: return u8"Custom error: Invalid operation";
case 2: return u8"Custom error: Resource not found";
default: return u8"Custom error: Unknown error";
}
}
};

// Singleton instance of custom error category
const std::error_category& custom_error_category() {
static CustomErrorCategory instance;
return instance;
}

int main() {
std::cout << "Starting logging example..." << std::endl;

Expand All @@ -37,9 +62,9 @@ int main() {
LOGIT_FATAL("Fatal error! Immediate attention required!");

// Demonstrating formatted logging for homogeneous variables
LOGIT_FORMAT_INFO("%.2f", someFloat, 654.321f); // Logging two float values
LOGIT_FORMAT_INFO("%.4d", someInt, 999); // Logging two int values
LOGIT_FORMAT_INFO("%.2f", 747.000L); // Logging long double value
LOGIT_FORMAT_INFO("%.2f", someFloat, 654.321f); // Two float values
LOGIT_FORMAT_INFO("%.4d", someInt, 999); // Two int values
LOGIT_FORMAT_INFO("%.2f", 747.000L); // Long double value

// Stream-based logging
LOGIT_STREAM_INFO() << "Stream logging: float=" << someFloat << ", int=" << someInt << ", color=" << color;
Expand All @@ -48,18 +73,74 @@ int main() {
LOGIT_STREAM_TRACE_TO(2) << "Logging to unique file logger with a trace message. Color: " << color;
LOGIT_PRINT_INFO("Unique log was written to file: ", LOGIT_GET_LAST_FILE_NAME(2));

// Logging exceptions
try {
// Simulate an exception
throw std::runtime_error("An example runtime error");
} catch (const std::exception& ex) {
// Log the exception using the logger
LOGIT_FATAL(ex);

// Optionally, use the VariableValue for detailed exception logging
logit::VariableValue exceptionVar("ExceptionCaught", ex);
LOGIT_STREAM_ERROR() << "Detailed exception logging: " << exceptionVar.to_string();
}

// Logging std::error_code
std::error_code ec(1, custom_error_category());
LOGIT_ERROR(ec);
LOGIT_FORMAT_ERROR("error_code: (%s, %d)", ec);

# if __cplusplus >= 201703L
// Logging std::filesystem::path
std::filesystem::path log_path = "/var/log/example.log";
LOGIT_INFO(log_path);
LOGIT_PRINT_INFO("The log file path is: ", log_path);
LOGIT_FORMAT_INFO("%s", log_path);
# endif

// Logging std::chrono::duration
std::chrono::seconds seconds(120);
std::chrono::milliseconds milliseconds(500);
std::chrono::microseconds microseconds(123456);
std::chrono::minutes minutes(5);
std::chrono::hours hours(2);

LOGIT_PRINT_TRACE("Seconds example: ", seconds);
LOGIT_TRACE(milliseconds, minutes, hours);
LOGIT_FORMAT_TRACE("%s", microseconds);

// Logging std::chrono::time_point
auto now = std::chrono::system_clock::now();
LOGIT_PRINT_INFO("TimePoint example: ", now);
LOGIT_INFO(now);

// Logging void*
void* ptr = &now;
LOGIT_PRINT_TRACE("Pointer example: ", ptr);
LOGIT_INFO(ptr);

// Logging smart pointers
auto shared = std::make_shared<int>(42);
LOGIT_PRINT_TRACE("Shared pointer example: ", shared);

# if __cplusplus >= 201402L
auto unique = std::make_unique<int>(84);
# else
std::unique_ptr<int> unique(new int(84));
# endif
LOGIT_PRINT_TRACE("Unique pointer example: ", unique);

# if __cplusplus >= 201703L
// Logging std::variant
std::variant<int, std::string> variant = "Hello, variant!";
LOGIT_PRINT_INFO("Variant example: ", variant);
variant = 123;
LOGIT_TRACE(variant);

// Logging std::optional
std::optional<std::string> optional = "Hello, optional!";
LOGIT_PRINT_INFO("Optional example: ", optional);
std::optional<std::string> optional_null;
LOGIT_ERROR(optional_null);
# endif

// Ensure all loggers are flushed and cleaned up before exiting
LOGIT_WAIT();

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19 changes: 19 additions & 0 deletions include/log-it/parts/Formatter/SimpleLogFormatter/PatternCompiler.hpp
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Original file line number Diff line number Diff line change
Expand Up @@ -262,6 +262,14 @@ namespace logit {
switch (arg.type) {
case ValueType::STRING_VAL:
case ValueType::EXCEPTION_VAL:
case ValueType::ERROR_CODE_VAL:
case ValueType::ENUM_VAL:
case ValueType::DURATION_VAL:
case ValueType::TIME_POINT_VAL:
case ValueType::POINTER_VAL:
case ValueType::SMART_POINTER_VAL:
case ValueType::VARIANT_VAL:
case ValueType::OPTIONAL_VAL:
temp_stream << arg.to_string(record.format.c_str());
break;
default:
Expand All @@ -282,6 +290,7 @@ namespace logit {
switch (arg.type) {
case ValueType::STRING_VAL:
case ValueType::EXCEPTION_VAL:
case ValueType::ERROR_CODE_VAL:
temp_stream << arg.to_string();
break;
case ValueType::ENUM_VAL:
Expand All @@ -292,6 +301,16 @@ namespace logit {
}
temp_stream << arg.to_string();
break;
case ValueType::PATH_VAL:
case ValueType::DURATION_VAL:
case ValueType::TIME_POINT_VAL:
case ValueType::POINTER_VAL:
case ValueType::SMART_POINTER_VAL:
case ValueType::VARIANT_VAL:
case ValueType::OPTIONAL_VAL:
if (record.print_mode) temp_stream << arg.to_string();
else temp_stream << arg.name << ": " << arg.to_string();
break;
default:
if (arg.is_literal) {
if (record.print_mode) temp_stream << arg.to_string();
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4 changes: 2 additions & 2 deletions include/log-it/parts/LogMacros.hpp
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Original file line number Diff line number Diff line change
Expand Up @@ -827,7 +827,7 @@
std::unique_ptr<logit::UniqueFileLogger>(new logit::UniqueFileLogger( \
LOGIT_UNIQUE_FILE_LOGGER_PATH, true, \
LOGIT_FILE_LOGGER_AUTO_DELETE_DAYS)), \
std::unique_ptr<logit::SimpleLogFormatter>(new logit::SimpleLogFormatter(LOGIT_FILE_LOGGER_PATTERN)))
std::unique_ptr<logit::SimpleLogFormatter>(new logit::SimpleLogFormatter(LOGIT_UNIQUE_FILE_LOGGER_PATTERN)))

/// \brief Macro for adding the default unique file logger in single_mode.
/// This macro adds a `UniqueFileLogger` with default settings, which writes each log message to a new file.
Expand All @@ -840,7 +840,7 @@
std::unique_ptr<logit::UniqueFileLogger>(new logit::UniqueFileLogger( \
LOGIT_UNIQUE_FILE_LOGGER_PATH, true, \
LOGIT_FILE_LOGGER_AUTO_DELETE_DAYS)), \
std::unique_ptr<logit::SimpleLogFormatter>(new logit::SimpleLogFormatter(LOGIT_FILE_LOGGER_PATTERN)), \
std::unique_ptr<logit::SimpleLogFormatter>(new logit::SimpleLogFormatter(LOGIT_UNIQUE_FILE_LOGGER_PATTERN)), \
true)

#endif // C++ version check
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