From e9e0073061d531de293cd60b6f802f24c8fb742c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=D0=9C=D0=B8=D1=85=D0=B0=D0=B8=D0=BB=20=D0=9A=D0=B0=D0=BF?=
 =?UTF-8?q?=D0=B5=D0=BB=D1=8C=D0=BA=D0=BE?= <m.kapelko@iva-tech.ru>
Date: Sun, 2 Jun 2024 22:31:38 +0300
Subject: [PATCH] d

---
 v4/ctx.h | 27 ++++++++++++++++++++++-----
 1 file changed, 22 insertions(+), 5 deletions(-)

diff --git a/v4/ctx.h b/v4/ctx.h
index 019dbe7..087faa6 100644
--- a/v4/ctx.h
+++ b/v4/ctx.h
@@ -18,13 +18,15 @@ template <class T> class ctx_Controller {
   void executeFunctions() {
     T c = queue.front();
     queue.pop_front();
-    for (int i = 0; i < functions.size(); ++i) {
-      T ctx = functions[i](c);
+    for (const auto &f : functions) {
+      T ctx = f(c);
       if (ctx.recentField != "none") {
         queue.push_back(ctx);
       }
     }
-    context = c;
+
+    context.recentField = c.recentField;
+    context.setField(c.recentField, c.field(c.recentField));
     reportContext();
   }
 
@@ -44,13 +46,28 @@ template <class T> class ctx_Controller {
     callbacks.push_back(cb);
   }
 
+  void registerFieldCallback(const std::string &fieldName, void (*cb)(T)) {
+    auto execCB = [fieldName, cb](T c) {
+      if (c.recentField == fieldName) {
+        cb(c);
+      }
+    };
+    callbacks.push_back(execCB);
+  }
+
   void registerFunction(T (*f)(T)) {
     functions.push_back(f);
   }
 
+  void registerFunctions(const std::list<T *(T)> funcs) {
+    for (const auto &f : funcs) {
+      functions.push_back(f);
+    }
+  }
+
   void reportContext() {
-    for (int i = 0; i < callbacks.size(); ++i) {
-      callbacks[i](context);
+    for (const auto &cb : callbacks) {
+      cb(context);
     }
   }