From fa252b5b08f2095318c6628413fa5859970aa2f4 Mon Sep 17 00:00:00 2001
From: Egor Tensin <egor@tensin.name>
Date: Mon, 22 Jun 2026 19:11:55 +0200
Subject: aesxx/utils: more refactoring

---
 aesxx/utils/decrypt_block.cpp            | 10 +++---
 aesxx/utils/encrypt_block.cpp            | 10 +++---
 aesxx/utils/helpers/cmd_parser_block.hpp | 54 ++++++++++++++++++++++----------
 3 files changed, 49 insertions(+), 25 deletions(-)

diff --git a/aesxx/utils/decrypt_block.cpp b/aesxx/utils/decrypt_block.cpp
index f6bd8a3..be5c003 100644
--- a/aesxx/utils/decrypt_block.cpp
+++ b/aesxx/utils/decrypt_block.cpp
@@ -161,11 +161,13 @@ int main(int argc, char** argv) {
             return 0;
         }
 
-        for (const auto& input : settings.inputs) {
-            if (settings.use_boxes) {
-                decrypt_using_boxes(settings.algorithm, settings.mode, input);
+        for (const auto& input : settings.get_inputs()) {
+            if (settings.use_boxes()) {
+                decrypt_using_boxes(settings.get_algorithm(), settings.get_mode(), input);
             } else {
-                decrypt_using_cxx_api(settings.algorithm, settings.mode, input, settings.verbose);
+                decrypt_using_cxx_api(
+                    settings.get_algorithm(), settings.get_mode(), input, settings.verbose()
+                );
             }
         }
     } catch (const aes::Error& e) {
diff --git a/aesxx/utils/encrypt_block.cpp b/aesxx/utils/encrypt_block.cpp
index a67cd6b..2e59634 100644
--- a/aesxx/utils/encrypt_block.cpp
+++ b/aesxx/utils/encrypt_block.cpp
@@ -164,11 +164,13 @@ int main(int argc, char** argv) {
             return 0;
         }
 
-        for (const auto& input : settings.inputs) {
-            if (settings.use_boxes) {
-                encrypt_using_boxes(settings.algorithm, settings.mode, input);
+        for (const auto& input : settings.get_inputs()) {
+            if (settings.use_boxes()) {
+                encrypt_using_boxes(settings.get_algorithm(), settings.get_mode(), input);
             } else {
-                encrypt_using_cxx_api(settings.algorithm, settings.mode, input, settings.verbose);
+                encrypt_using_cxx_api(
+                    settings.get_algorithm(), settings.get_mode(), input, settings.verbose()
+                );
             }
         }
     } catch (const aes::Error& e) {
diff --git a/aesxx/utils/helpers/cmd_parser_block.hpp b/aesxx/utils/helpers/cmd_parser_block.hpp
index 0093617..68177f5 100644
--- a/aesxx/utils/helpers/cmd_parser_block.hpp
+++ b/aesxx/utils/helpers/cmd_parser_block.hpp
@@ -47,17 +47,9 @@ public:
         std::vector<std::string> blocks;
     };
 
-    aes::Algorithm algorithm = AES_AES128;
-    aes::Mode mode = AES_ECB;
-
-    bool use_boxes = false;
-    bool verbose = false;
-
-    std::vector<Input> inputs;
-
     explicit BlockSettings(std::string_view argv0) : SettingsParser{argv0} {
         visible.add_options()(
-            "verbose,v", boost::program_options::bool_switch(&verbose), "enable verbose output"
+            "verbose,v", boost::program_options::bool_switch(&_verbose), "enable verbose output"
         );
         visible.add_options()(
             "algorithm,a",
@@ -73,15 +65,9 @@ public:
         );
         visible.add_options()(
             "use-boxes,b",
-            boost::program_options::bool_switch(&use_boxes),
+            boost::program_options::bool_switch(&_use_boxes),
             "use the \"boxes\" interface"
         );
-        hidden.add_options()(
-            "args",
-            boost::program_options::value<std::vector<std::string>>(&args),
-            "shouldn't be visible"
-        );
-        positional.add("args", -1);
     }
 
     const char* get_short_description() const override {
@@ -90,7 +76,16 @@ public:
     }
 
     void parse(int argc, char* argv[]) override {
+        std::vector<std::string> args;
+        hidden.add_options()(
+            "args",
+            boost::program_options::value<std::vector<std::string>>(&args),
+            "shouldn't be visible"
+        );
+        positional.add("args", -1);
+
         SettingsParser::parse(argc, argv);
+
         parse_inputs(
             std::deque<std::string>{
                 std::make_move_iterator(args.begin()), std::make_move_iterator(args.end())
@@ -98,6 +93,26 @@ public:
         );
     }
 
+    aes::Algorithm get_algorithm() const {
+        return algorithm;
+    }
+
+    aes::Mode get_mode() const {
+        return mode;
+    }
+
+    const std::vector<Input>& get_inputs() const {
+        return inputs;
+    }
+
+    bool use_boxes() const {
+        return _use_boxes;
+    }
+
+    bool verbose() const {
+        return _verbose;
+    }
+
 private:
     void parse_inputs(std::deque<std::string>&& src) {
         while (!src.empty())
@@ -142,5 +157,10 @@ private:
         return blocks;
     }
 
-    std::vector<std::string> args;
+    aes::Algorithm algorithm;
+    aes::Mode mode;
+    std::vector<Input> inputs;
+
+    bool _use_boxes = false;
+    bool _verbose = false;
 };
-- 
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