Чтение данных

bitcoin-project/.gitignore

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+data
+build

bitcoin-project/Makefile

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+CXX = g++
+CXXFLAGS = -std=c++17 -O2 -Wall -Wextra
+
+SRC_DIR = src
+BUILD_DIR = build
+
+SRCS = $(wildcard $(SRC_DIR)/*.cpp)
+OBJS = $(patsubst $(SRC_DIR)/%.cpp,$(BUILD_DIR)/%.o,$(SRCS))
+
+TARGET = $(BUILD_DIR)/bitcoin_app
+
+all: $(TARGET)
+
+$(BUILD_DIR):
+	mkdir -p $(BUILD_DIR)
+
+$(BUILD_DIR)/%.o: $(SRC_DIR)/%.cpp | $(BUILD_DIR)
+	$(CXX) $(CXXFLAGS) -c $< -o $@
+
+$(TARGET): $(OBJS)
+	$(CXX) $(CXXFLAGS) $^ -o $@
+
+clean:
+	rm -rf $(BUILD_DIR)
+
+.PHONY: all clean

bitcoin-project/src/csv_loader.cpp

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+#include "csv_loader.hpp"
+#include <fstream>
+#include <sstream>
+#include <iostream>
+
+std::vector<Record> load_csv(const std::string& filename) {
+    std::vector<Record> data;
+    std::ifstream file(filename);
+
+    if (!file.is_open()) {
+        throw std::runtime_error("Cannot open file: " + filename);
+    }
+
+    std::string line;
+
+    // читаем первую строку (заголовок)
+    std::getline(file, line);
+
+    while (std::getline(file, line)) {
+        std::stringstream ss(line);
+        std::string item;
+
+        Record row;
+
+        std::getline(ss, item, ',');
+        row.timestamp = std::stod(item);
+
+        std::getline(ss, item, ',');
+        row.open = std::stod(item);
+
+        std::getline(ss, item, ',');
+        row.high = std::stod(item);
+
+        std::getline(ss, item, ',');
+        row.low = std::stod(item);
+
+        std::getline(ss, item, ',');
+        row.close = std::stod(item);
+
+        std::getline(ss, item, ',');
+        row.volume = std::stod(item);
+
+        data.push_back(row);
+    }
+
+    return data;
+}

bitcoin-project/src/csv_loader.hpp

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+#pragma once
+#include <string>
+#include <vector>
+#include "record.hpp"
+
+std::vector<Record> load_csv(const std::string& filename);

bitcoin-project/src/main.cpp

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+#include <iostream>
+#include "csv_loader.hpp"
+
+int main() {
+    auto records = load_csv("data/data.csv");
+
+    std::cout << "Loaded rows: " << records.size() << "\n";
+
+    for (int i = 0; i < 5 && i < records.size(); i++) {
+        std::cout << records[i].timestamp << " "
+                  << records[i].open << " "
+                  << records[i].high << " "
+                  << records[i].low << " "
+                  << records[i].close << " "
+                  << records[i].volume << "\n";
+    }
+}

bitcoin-project/src/record.hpp

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+#pragma once
+#include <cstdint>
+
+struct Record {
+    double timestamp;
+    double open;
+    double high;
+    double low;
+    double close;
+    double volume;
+};