Add initial implementation for BitcoinExchange project

- Created input.txt with sample data for testing.
- Implemented main.cpp for the BitcoinExchange application.
- Added Makefile for mutantstack example in ex01.
- Added Makefile for BitcoinExchange application in ex02.

Author: LithiumOx

07/ex00/Makefile

@@ -10,7 +10,7 @@ $(NAME): $(BUILD_DIR) $(BUILD)
 	@c++ $(BUILD) -o $(NAME)
 
 $(BUILD_DIR)/%.o: %.cpp | $(BUILD_DIR)
-	@c++ -Werror -Wall -Wextra -Wno-implicit-fallthrough -std=c++23 -c $< -o $@
+	@c++ -Werror -Wall -Wextra -Wno-implicit-fallthrough -std=c++17 -c $< -o $@
 
 $(BUILD_DIR):
 	@mkdir -p $(BUILD_DIR)

07/ex01/Makefile

@@ -10,7 +10,7 @@ $(NAME): $(BUILD_DIR) $(BUILD)
 	@c++ $(BUILD) -o $(NAME)
 
 $(BUILD_DIR)/%.o: %.cpp | $(BUILD_DIR)
-	@c++ -Werror -Wall -Wextra -Wno-implicit-fallthrough -std=c++23 -c $< -o $@
+	@c++ -Werror -Wall -Wextra -Wno-implicit-fallthrough -std=c++17 -c $< -o $@
 
 $(BUILD_DIR):
 	@mkdir -p $(BUILD_DIR)

07/ex02/Array.hpp

@@ -1,5 +1,4 @@
-#ifndef ARRAY_HPP
-#define ARRAY_HPP
+#pragma once
 
 #include <cstddef>
 #include <exception>
@@ -54,5 +53,3 @@ class Array {
 	// Size method
 	unsigned int size() const { return _size; }
 };
-
-#endif

07/ex02/Makefile

@@ -10,7 +10,7 @@ $(NAME): $(BUILD_DIR) $(BUILD)
 	@c++ $(BUILD) -o $(NAME)
 
 $(BUILD_DIR)/%.o: %.cpp | $(BUILD_DIR)
-	@c++ -Werror -Wall -Wextra -Wno-implicit-fallthrough -std=c++23 -c $< -o $@
+	@c++ -Werror -Wall -Wextra -Wno-implicit-fallthrough -std=c++17 -c $< -o $@
 
 $(BUILD_DIR):
 	@mkdir -p $(BUILD_DIR)

07/ex02/main.cpp

@@ -25,6 +25,16 @@ int main() {
 		std::cout << "copy[" << i << "] = " << copy[i] << std::endl;
 	}
 
+	// Scope test
+	{
+		Array<int> scopedArray(3);
+		for (unsigned int i = 0; i < scopedArray.size(); i++) {
+			scopedArray[i] = i + 1;
+			std::cout << "scopedArray[" << i << "] = " << scopedArray[i] << std::endl;
+		}
+		std::cout << "Scoped array size: " << scopedArray.size() << std::endl;
+	}
+
 	// Verify deep copy
 	numbers[0] = 100;
 	std::cout << "\nAfter modifying original:" << std::endl;

09/ex00/BitcoinExchange.cpp

@@ -0,0 +1,71 @@
+#include "BitcoinExchange.hpp"
+
+#include <fstream>
+#include <iostream>
+#include <istream>
+#include <sstream>
+#include <stdexcept>
+
+BitcoinExchange::BitcoinExchange() {
+	// Constructor implementation
+}
+
+BitcoinExchange::~BitcoinExchange() {
+	// Destructor implementation
+}
+
+BitcoinExchange::BitcoinExchange(const BitcoinExchange &other) : data(other.data) {
+	// Copy constructor implementation
+}
+
+BitcoinExchange &BitcoinExchange::operator=(const BitcoinExchange &other) {
+	if (this != &other) {
+		data = other.data;
+	}
+	return *this;
+}
+
+void BitcoinExchange::parseLine(const std::string &line) {
+	std::istringstream stream(line);
+	std::string date, valueStr;
+	if (std::getline(stream, date, ',') && std::getline(stream, valueStr)) {
+		float value = std::stof(valueStr);
+		validateDate(date);
+		validateValue(value);
+		addValue(date, value);
+	}
+}
+
+/**
+ * @brief When loading data from the data.csv file, we need to do ',' splitting.
+ * This is not the same as the splitting in the input.txt file, which uses '|' as a separator.
+ *
+ * @param filename
+ * @param splitChars
+ */
+void BitcoinExchange::loadData(const std::string &filename, const std::string &splitChars) {
+	std::ifstream file(filename);
+	std::string line;
+
+	if (!file.is_open()) {
+		throw std::runtime_error("Could not open file: " + filename);
+	}
+
+	// check the first line (either "date, value" or "date | value")
+	if (std::getline(file, line)) {
+		if (line.find(',') != std::string::npos) {
+			// If the line contains a comma, we assume it's a CSV format
+			while (std::getline(file, line)) {
+				parseLine(line);
+			}
+		} else if (line.find('|') != std::string::npos) {
+			// If the line contains a pipe, we assume it's a different format
+			while (std::getline(file, line)) {
+				std::replace(line.begin(), line.end(), '|', ',');
+				parseLine(line);
+			}
+		} else {
+			throw std::runtime_error("Unknown file format in: " + filename);
+		}
+	}
+}

09/ex00/BitcoinExchange.hpp

@@ -0,0 +1,29 @@
+#pragma once
+
+#include <map>
+#include <string>
+
+class BitcoinExchange {
+   public:
+	BitcoinExchange();
+	~BitcoinExchange();
+	BitcoinExchange(const BitcoinExchange &other);
+	BitcoinExchange &operator=(const BitcoinExchange &other);
+
+	void loadData(const std::string &filename, const std::string &splitChars);
+	float getValue(const std::string &date) const;
+	void printAllValues() const;
+	void printValue(const std::string &date) const;
+	void addValue(const std::string &date, float value);
+	void removeValue(const std::string &date);
+	void clearData();
+	bool isValidValue(float value) const;
+	std::map<std::string, float> getData() const;
+
+   private:
+	std::map<std::string, float> data;
+
+	void parseLine(const std::string &line);
+	void validateDate(const std::string &date) const;
+	void validateValue(float value) const;
+};

09/ex00/Makefile

@@ -0,0 +1,33 @@
+NAME = mutantstack
+SRC = main.cpp
+HEADERS = MutantStack.hpp
+BUILD_DIR = build
+BUILD = $(addprefix $(BUILD_DIR)/, $(SRC:.cpp=.o))
+
+all: $(NAME)
+
+$(NAME): $(BUILD_DIR) $(BUILD)
+	@c++ $(BUILD) -o $(NAME)
+
+$(BUILD_DIR)/%.o: %.cpp | $(BUILD_DIR)
+	@c++ -Werror -Wall -Wextra -Wno-implicit-fallthrough -std=c++23 -c $< -o $@
+
+$(BUILD_DIR):
+	@mkdir -p $(BUILD_DIR)
+
+clean:
+	@rm -rf $(NAME)
+
+fclean: clean
+	@rm -rf $(BUILD_DIR)
+
+re: fclean all
+
+format:
+	@clang-format -i $(SRC) $(HEADERS)
+
+run: all
+	@printf "\n🤖 08/ex02 $(NAME) output:\n\n"
+	@./$(NAME)
+
+.PHONY: all clean fclean re