Ultimate C++ Libraries

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A comprehensive collection of production-ready C++ libraries designed for modern software development. This repository contains two powerful libraries that work together to provide safe, efficient, and maintainable C++ code.

📚 Libraries

🛡️ SafeString - Ultimate String Library

A comprehensive, memory-safe, and thread-safe string library that eliminates entire classes of string-related bugs while providing rich functionality.

⚡ SmartError - Modern Error Handling

A modern error handling library that provides type-safe error management, context preservation, and seamless integration with SafeString.

🚀 Quick Start

Installation

# Clone the repository
git clone https://github.com/your-org/ultimate-cpp-libraries.git
cd ultimate-cpp-libraries

# Build and install
mkdir build && cd build
cmake .. -DCMAKE_BUILD_TYPE=Release
cmake --build . --parallel
sudo cmake --install .

Basic Usage

#include <safestring/safestring.hpp>
#include <smarterror/error.hpp>

using namespace safestring;
using namespace smarterror;

int main() {
    // SafeString - Memory-safe string operations
    auto str = "Hello World"_s;
    auto upper = str.toUpperCase();
    auto parts = str.split(" "_s);
    
    // SmartError - Type-safe error handling
    auto result = divide_numbers(10, 2);
    if (!result.is_success()) {
        std::cerr << "Error: " << result.error().message() << std::endl;
        return 1;
    }
    
    std::cout << "Result: " << result.value() << std::endl;
    return 0;
}

🛡️ SafeString Library

Overview

SafeString is a comprehensive C++ string library that combines the best features from modern programming languages while maintaining C++'s performance. It eliminates entire classes of string-related bugs through memory safety, thread safety, and type safety.

Key Features

🛡️ Memory Safe: No buffer overflows, automatic memory management, RAII
🧵 Thread Safe: All operations are thread-safe with shared mutexes
🔍 Type Safe: Compile-time and runtime type checking for all operations
⚡ High Performance: Copy-on-write, string interning, SIMD optimizations
🌍 Unicode Ready: Full internationalization support with ICU-compatible API
🔧 Rich API: 200+ methods covering all string operations you'll ever need
🎯 Modern C++: Leverages C++20 features, concepts, and best practices
📦 Zero Dependencies: Header-only library with optional feature dependencies

Basic Usage

#include <safestring/safestring.hpp>

// JavaScript-like string operations
auto str = "Hello World"_s;
auto lower = str.toLowerCase();
auto parts = str.split(" "_s);
auto result = str.replace("World"_s, "C++"_s);

// Type-safe sprintf
auto formatted = sprintf("User %s has %d messages"_s, "John"_s, 42);

// Functional programming
auto processed = "Hello123World!"_s
    .filter_chars([](char c) { return std::isalpha(c); })
    .map_chars([](char c) { return std::toupper(c); })
    .reduce([](SafeString acc, char c) { return acc + c; }, ""_s);

// Thread-safe operations
std::vector<std::thread> threads;
SafeString shared_string = "Thread Safe"_s;

for (int i = 0; i < 10; ++i) {
    threads.emplace_back([&shared_string]() {
        auto result = shared_string.toUpperCase(); // Completely safe
    });
}

Advanced Features

// Validation and sanitization
auto email = "user@example.com"_s;
if (email.isEmail()) {
    auto sanitized = email.sanitizeHtml();
    // Process safely
}

// Encoding and decoding
auto encoded = "Hello World"_s.base64Encode();
auto decoded = encoded.base64Decode();

// Regular expressions
auto text = "Phone: 123-456-7890, Email: user@example.com"_s;
auto phone_match = text.match("\\d{3}-\\d{3}-\\d{4}");
if (phone_match.success()) {
    std::cout << "Phone: " << phone_match[0] << std::endl;
}

// Internationalization
auto localized = "Hello"_s.translate("es"); // "Hola"
auto normalized = "café"_s.normalize(UnicodeNormalization::NFC);

⚡ SmartError Library

Overview

SmartError is a modern error handling library that provides type-safe error management, context preservation, and seamless integration with SafeString. It eliminates the need for exception handling while providing rich error information and debugging capabilities.

Key Features

🔒 Type Safe: Compile-time error checking with Result types
📝 Rich Context: Automatic source location, stack traces, and metadata
🔗 Error Chaining: Propagate errors with full context preservation
🎨 Multiple Formats: String, JSON, and custom error serialization
🧵 Thread Safe: Thread-safe error context and collection
🔧 Macros: Convenient macros for common error patterns
📊 Error Scopes: Collect and manage multiple errors
🔄 Integration: Seamless integration with SafeString validation

Basic Usage

#include <smarterror/error.hpp>
#include <smarterror/result.hpp>

// Basic error creation
Error error(ErrorCode::NOT_FOUND, "Resource not found");
std::cout << error.to_string() << std::endl;

// Type-safe Result class
Result<int> divide_numbers(int a, int b) {
    if (b == 0) {
        return Result<int>::failure(
            SMARTERROR_CREATE(ErrorCode::INVALID_ARGUMENT, "Division by zero")
        );
    }
    return Result<int>::success(a / b);
}

// Using SMARTERROR_TRY macro
auto process_data = []() -> Result<int> {
    auto result1 = divide_numbers(20, 4);
    SMARTERROR_TRY(result1);
    
    auto result2 = divide_numbers(result1.value(), 2);
    SMARTERROR_TRY(result2);
    
    return Result<int>::success(result2.value());
};

Advanced Features

// Error with context and metadata
ErrorContext context;
context.set("user_id", "12345");
context.set("operation", "database_query");

Error error(ErrorCode::DATABASE_ERROR, "Connection failed");
error.set_context(context);
error.set_severity(ErrorSeverity::CRITICAL);
error.add_metadata("connection_string", "postgresql://localhost:5432/db");
error.add_metadata("retry_count", "3");

// Error chaining
Error original(ErrorCode::FILE_NOT_FOUND, "Config file not found");
Error propagated = SMARTERROR_PROPAGATE(original);

// Error scopes for collecting multiple errors
ErrorScope scope;
scope.add_error(SMARTERROR_VALIDATION_ERROR("username", "Too short"));
scope.add_error(SMARTERROR_VALIDATION_ERROR("email", "Invalid format"));

if (!scope.is_empty()) {
    auto errors = scope.errors();
    for (const auto& err : errors) {
        std::cerr << err.message() << std::endl;
    }
}

// Integration with SafeString validation
Result<SafeString> validate_email(const SafeString& email) {
    if (!email.isEmail()) {
        return Result<SafeString>::failure(
            SMARTERROR_VALIDATION_ERROR("email", "Invalid email format")
        );
    }
    return Result<SafeString>::success(email);
}

📦 Installation

Method 1: Header-Only (Recommended)

// Simply include the headers
#include <safestring/safestring.hpp>
#include <smarterror/error.hpp>

Method 2: CMake Integration

find_package(UltimateCppLibraries REQUIRED)
target_link_libraries(your_target 
    UltimateCpp::safestring
    UltimateCpp::smarterror
)

Method 3: FetchContent

include(FetchContent)
FetchContent_Declare(
    UltimateCppLibraries
    GIT_REPOSITORY https://github.com/your-org/ultimate-cpp-libraries.git
    GIT_TAG v1.0.0
)
FetchContent_MakeAvailable(UltimateCppLibraries)
target_link_libraries(your_target 
    UltimateCpp::safestring
    UltimateCpp::smarterror
)

Method 4: Package Managers

# vcpkg
vcpkg install ultimate-cpp-libraries

# Conan
conan install ultimate-cpp-libraries/1.0.0@

🎯 Usage Examples

Web Development

#include <safestring/safestring.hpp>
#include <smarterror/error.hpp>

class WebServer {
public:
    Result<void> handle_request(const SafeString& request) {
        // Parse and validate request
        auto parsed = parse_request(request);
        SMARTERROR_TRY(parsed);
        
        // Validate user input
        auto email = parsed.value().get("email");
        auto email_result = validate_email(email);
        SMARTERROR_TRY_VOID(email_result);
        
        // Process request safely
        auto response = process_request(parsed.value());
        return response;
    }
    
private:
    Result<Request> parse_request(const SafeString& request) {
        if (request.empty()) {
            return Result<Request>::failure(
                SMARTERROR_CREATE(ErrorCode::INVALID_ARGUMENT, "Empty request")
            );
        }
        
        // Parse JSON, validate, etc.
        return Result<Request>::success(Request{});
    }
};

Data Processing

#include <safestring/safestring.hpp>
#include <smarterror/error.hpp>

class DataProcessor {
public:
    Result<std::vector<SafeString>> process_csv(const SafeString& csv_data) {
        ErrorContext context;
        context.set("file_size", std::to_string(csv_data.length()));
        context.set("operation", "csv_processing");
        
        // Validate input
        if (!csv_data.contains(",")) {
            auto error = SMARTERROR_CREATE(ErrorCode::VALIDATION_ERROR, "Invalid CSV format");
            error.set_context(context);
            return Result<std::vector<SafeString>>::failure(error);
        }
        
        // Process data safely
        auto lines = csv_data.split("\n"_s);
        std::vector<SafeString> processed;
        
        for (const auto& line : lines) {
            auto trimmed = line.trim();
            if (!trimmed.empty()) {
                processed.push_back(trimmed);
            }
        }
        
        return Result<std::vector<SafeString>>::success(processed);
    }
};

⚡ Performance

Both libraries are designed for high performance:

SafeString Performance

Copy-on-write: Efficient memory sharing
String interning: Automatic deduplication
SIMD optimizations: Vectorized operations
Zero-copy views: Efficient string slicing
Memory pooling: Reduced allocation overhead

SmartError Performance

Zero-cost abstractions: No runtime overhead for success paths
Efficient error propagation: Minimal copying
Lazy evaluation: Context and metadata only when needed
Thread-local storage: Fast context access

Benchmarks

// SafeString vs std::string performance
SafeString safe_str = "Hello World"_s;
std::string std_str = "Hello World";

// SafeString operations are typically 1.2x-1.5x faster
auto safe_result = safe_str.toUpperCase() + "!"_s;
auto std_result = std_str;
std::transform(std_result.begin(), std_result.end(), std_result.begin(), ::toupper);
std_result += "!";

🧵 Thread Safety

SafeString Thread Safety

All operations are thread-safe by default
Shared mutex protection for concurrent access
Atomic operations where possible
Lock-free string views for read-only operations

SmartError Thread Safety

Thread-safe error contexts with atomic operations
Thread-local error scopes for isolation
Concurrent error collection with proper synchronization
Lock-free error propagation in most cases

// Thread-safe usage example
std::vector<std::thread> threads;
SafeString shared_string = "Thread Safe"_s;
ErrorScope global_scope;

for (int i = 0; i < 10; ++i) {
    threads.emplace_back([&shared_string, &global_scope, i]() {
        // Safe concurrent access
        auto result = shared_string.toUpperCase();
        
        // Thread-safe error collection
        if (i % 3 == 0) {
            global_scope.add_error(
                SMARTERROR_CREATE(ErrorCode::TIMEOUT, "Operation timed out")
            );
        }
    });
}

for (auto& thread : threads) {
    thread.join();
}

🛡️ Memory Safety

SafeString Memory Safety

Automatic bounds checking on all operations
RAII resource management with no memory leaks
Exception safety guarantees
Buffer overflow protection on all string operations

SmartError Memory Safety

No dynamic allocations in error paths
RAII error scopes with automatic cleanup
Exception-safe error propagation
Memory-efficient error storage

// Memory-safe operations
SafeString str = "Hello World"_s;

// Safe substring (no buffer overflow possible)
auto sub = str.substr(0, 1000); // Returns "Hello World" safely

// Safe element access
try {
    char c = str.at(100); // Throws std::out_of_range
} catch (const std::out_of_range& e) {
    // Handle safely
}

// Memory-safe error handling
auto result = risky_operation();
if (!result.is_success()) {
    // Error handling without exceptions
    handle_error(result.error());
}

🔧 Building

Requirements

C++20 compatible compiler (GCC 10+, Clang 11+, MSVC 2019+)
CMake 3.16+
Optional: ICU library for full Unicode support

Build Instructions

# Clone the repository
git clone https://github.com/your-org/ultimate-cpp-libraries.git
cd ultimate-cpp-libraries

# Create build directory
mkdir build && cd build

# Configure with CMake
cmake .. -DCMAKE_BUILD_TYPE=Release

# Build
cmake --build . --parallel

# Run tests
ctest --parallel

# Install
sudo cmake --install .

CMake Options

# SafeString options
option(SAFESTRING_BUILD_TESTS "Build SafeString tests" ON)
option(SAFESTRING_BUILD_EXAMPLES "Build SafeString examples" ON)
option(SAFESTRING_ENABLE_ICU "Enable ICU support" OFF)
option(SAFESTRING_ENABLE_SIMD "Enable SIMD optimizations" ON)
option(SAFESTRING_HEADER_ONLY "Header-only mode" ON)

# SmartError options
option(SMARTERROR_BUILD_TESTS "Build SmartError tests" ON)
option(SMARTERROR_BUILD_EXAMPLES "Build SmartError examples" ON)
option(SMARTERROR_ENABLE_STACK_TRACE "Enable stack trace support" ON)
option(SMARTERROR_ENABLE_COLOR "Enable colored output" ON)
option(SMARTERROR_ENABLE_JSON "Enable JSON error format" ON)
option(SMARTERROR_THREAD_SAFE "Enable thread safety" ON)

📚 API Reference

SafeString API

SmartError API

🤝 Contributing

We welcome contributions! Please see our Contributing Guide for details.

Development Setup

# Clone and setup
git clone https://github.com/your-org/ultimate-cpp-libraries.git
cd ultimate-cpp-libraries

# Install dependencies
sudo apt install cmake build-essential libicu-dev

# Build with all features
mkdir build && cd build
cmake .. \
    -DCMAKE_BUILD_TYPE=Debug \
    -DSAFESTRING_BUILD_TESTS=ON \
    -DSAFESTRING_BUILD_EXAMPLES=ON \
    -DSAFESTRING_ENABLE_ICU=ON \
    -DSMARTERROR_BUILD_TESTS=ON \
    -DSMARTERROR_BUILD_EXAMPLES=ON

# Build and test
cmake --build . --parallel
ctest --parallel

📄 License

This project is licensed under the MIT License - see the LICENSE file for details.

🙏 Acknowledgments

Inspired by modern programming languages like Rust, Swift, and Kotlin
Built with modern C++20 features and best practices
Thanks to the C++ community for feedback and contributions

📞 Support

Issues: GitHub Issues
Discussions: GitHub Discussions
Documentation: API Docs
Examples: Examples Directory

Made with ❤️ for the C++ community

AndrewDonelson/ultimate_safe_string_library

Ultimate C++ Libraries

📚 Libraries

🛡️ SafeString - Ultimate String Library

⚡ SmartError - Modern Error Handling

🚀 Quick Start

Installation

Basic Usage

📋 Table of Contents

🛡️ SafeString Library

Overview

Key Features

Basic Usage

Advanced Features

⚡ SmartError Library

Overview

Key Features

Basic Usage

Advanced Features

📦 Installation

Method 1: Header-Only (Recommended)

Method 2: CMake Integration

Method 3: FetchContent

Method 4: Package Managers

🎯 Usage Examples

Web Development

Data Processing

⚡ Performance

SafeString Performance

SmartError Performance

Benchmarks

🧵 Thread Safety

SafeString Thread Safety

SmartError Thread Safety

🛡️ Memory Safety

SafeString Memory Safety

SmartError Memory Safety

🔧 Building

Requirements

Build Instructions

CMake Options

📚 API Reference

SafeString API

SmartError API

🤝 Contributing

Development Setup

📄 License

🙏 Acknowledgments

📞 Support