first commit

src/env.cpp

@@ -0,0 +1,48 @@
+#include <filesystem>
+#include <expected>
+#include <fstream>
+#include <string>
+#include <map>
+
+namespace fs = std::filesystem;
+
+using std::unexpected;
+using std::expected;
+using std::string;
+using std::map;
+
+#include "env.hpp"
+
+Env::Env() {
+}
+
+void Env::loadEnv(const string& cwd) {
+    string filename = ".env";
+    if (!cwd.empty()) {
+        filename = (fs::path(cwd) / ".env").string();
+    }
+
+    std::ifstream file(filename);
+    string line;
+    string::size_type pos;
+    while (std::getline(file, line)) {
+        pos = line.find_first_of("=");
+        string key = line.substr(0, pos);
+        string value = line.substr(pos + 1);
+        if (value.starts_with("'")) {
+            value = value.substr(1);
+        }
+        if (value.ends_with("'")) {
+            value.pop_back();
+        }
+        map_[key] = value;
+    }
+}
+
+expected<string, string> Env::get(const string& key) {
+    if (map_.contains(key)) {
+        return map_[key];
+    }
+
+    return unexpected("Key does not exist");
+}