Sikuwa first commit

cpp_cache/smart_cache_minimal.cpp

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+// smart_cache_minimal.cpp
+// Minimal implementation of smart cache system
+
+#include <iostream>
+#include <string>
+#include <unordered_map>
+#include <fstream>
+#include <ctime>
+#include <cstdlib>
+#include "smart_cache_minimal.h"
+
+// LRUCache implementation
+LRUCache::LRUCache(size_t max_size) : max_size_(max_size) {}
+
+bool LRUCache::put(const std::string& key, const std::string& value) {
+    std::lock_guard<std::mutex> lock(mutex_);
+    cache_[key] = value;
+    return true;
+}
+
+std::string LRUCache::get(const std::string& key) {
+    std::lock_guard<std::mutex> lock(mutex_);
+    auto it = cache_.find(key);
+    if (it == cache_.end()) {
+        return "";
+    }
+    return it->second;
+}
+
+bool LRUCache::contains(const std::string& key) {
+    std::lock_guard<std::mutex> lock(mutex_);
+    return cache_.find(key) != cache_.end();
+}
+
+void LRUCache::clear() {
+    std::lock_guard<std::mutex> lock(mutex_);
+    cache_.clear();
+}
+
+// Helper function to create directories
+bool create_directory_if_not_exists(const std::string& path) {
+    std::string cmd = "mkdir " + path;
+    int result = system(cmd.c_str());
+    return result == 0;
+}
+
+// BuildCache implementation
+BuildCache::BuildCache(const std::string& cache_dir) : cache_(10000), cache_dir_(cache_dir) {
+    create_directory_if_not_exists(cache_dir_);
+}
+
+bool BuildCache::cache_result(const std::string& target, const std::string& command, const std::string& result) {
+    std::lock_guard<std::mutex> lock(mutex_);
+    std::string key = target + "|" + command;
+    cache_.put(key, result);
+    return true;
+}
+
+std::string BuildCache::get_result(const std::string& target, const std::string& command) {
+    std::lock_guard<std::mutex> lock(mutex_);
+    std::string key = target + "|" + command;
+    return cache_.get(key);
+}
+
+bool BuildCache::needs_rebuild(const std::string& target, const std::string& command) {
+    std::lock_guard<std::mutex> lock(mutex_);
+    std::string key = target + "|" + command;
+    return !cache_.contains(key);
+}