lots of stuff

include/rfl/io/load_bytes.hpp

@@ -0,0 +1,29 @@
+#ifndef RFL_IO_LOAD_BYTES_HPP_
+#define RFL_IO_LOAD_BYTES_HPP_
+
+#include <fstream>
+#include <iostream>
+#include <string>
+#include <vector>
+
+#include "../Result.hpp"
+
+namespace rfl {
+namespace io {
+
+inline Result<std::vector<char>> load_bytes(const std::string& _fname) {
+  std::ifstream input(_fname, std::ios::binary);
+  if (input.is_open()) {
+    std::istreambuf_iterator<char> begin(input), end;
+    const auto bytes = std::vector<char>(begin, end);
+    input.close();
+    return bytes;
+  } else {
+    return rfl::Error("File '" + _fname + "' not found!");
+  }
+}
+
+}  // namespace io
+}  // namespace rfl
+
+#endif

include/rfl/io/load_string.hpp

@@ -0,0 +1,29 @@
+#ifndef RFL_IO_LOAD_STRING_HPP_
+#define RFL_IO_LOAD_STRING_HPP_
+
+#include <fstream>
+#include <iostream>
+#include <string>
+
+#include "../Result.hpp"
+
+namespace rfl {
+namespace io {
+
+inline Result<std::string> load_string(const std::string& _fname) {
+  std::ifstream infile(_fname);
+  if (infile.is_open()) {
+    auto r = std::string(std::istreambuf_iterator<char>(infile),
+                         std::istreambuf_iterator<char>());
+    infile.close();
+    return r;
+  } else {
+    return Error("Unable to open file '" + _fname +
+                 "' or file could not be found.");
+  }
+}
+
+}  // namespace io
+}  // namespace rfl
+
+#endif

include/rfl/io/save_bytes.hpp

@@ -0,0 +1,30 @@
+#ifndef RFL_IO_SAVE_BYTES_HPP_
+#define RFL_IO_SAVE_BYTES_HPP_
+
+#include <fstream>
+#include <iostream>
+#include <string>
+#include <vector>
+
+#include "../Result.hpp"
+
+namespace rfl {
+namespace io {
+
+template <class T, class WriteFunction>
+Result<Nothing> save_bytes(const std::string& _fname, const T& _obj,
+                           const WriteFunction& _write) {
+  try {
+    std::ofstream output(_fname, std::ios::out | std::ios::binary);
+    _write(_obj, output);
+    output.close();
+  } catch (std::exception& e) {
+    return Error(e.what());
+  }
+  return Nothing{};
+}
+
+}  // namespace io
+}  // namespace rfl
+
+#endif

include/rfl/io/save_string.hpp

@@ -0,0 +1,30 @@
+#ifndef RFL_IO_SAVE_STRING_HPP_
+#define RFL_IO_SAVE_STRING_HPP_
+
+#include <fstream>
+#include <iostream>
+#include <string>
+
+#include "../Result.hpp"
+
+namespace rfl {
+namespace io {
+
+template <class T, class WriteFunction>
+Result<Nothing> save_string(const std::string& _fname, const T& _obj,
+                            const WriteFunction& _write) {
+  try {
+    std::ofstream outfile;
+    outfile.open(_fname);
+    _write(_obj, outfile);
+    outfile.close();
+  } catch (std::exception& e) {
+    return Error(e.what());
+  }
+  return Nothing{};
+}
+
+}  // namespace io
+}  // namespace rfl
+
+#endif