feat: common code check function

klotski/CMakeLists.txt

@@ -1,4 +1,4 @@
 cmake_minimum_required(VERSION 3.0)
 set(CMAKE_CXX_STANDARD 14)
 
-add_executable(klotski main.cc common.cc all_cases.cc short_code.cc)
+add_executable(klotski main.cc common.cc all_cases.cc short_code.cc common_code.cc)

klotski/common_code.cc

@@ -0,0 +1,11 @@
+#include "common.h"
+#include "common_code.h"
+
+bool CommonCode::check(uint64_t common_code) {
+    uint32_t head = common_code >> 32;
+    auto range = (uint32_t)common_code;
+    if (head >= 16 || (head & 0b11) == 0b11) { // check 2x2 block address
+        return false; // invalid common code
+    }
+    return Common::check_case(head, Common::range_reverse(range)); // check by head and range
+}

klotski/common_code.h

@@ -0,0 +1,8 @@
+#pragma once
+
+#include <cstdint>
+
+class CommonCode {
+public:
+    static bool check(uint64_t common_code);
+};

klotski/main.cc

@@ -1,6 +1,7 @@
 #include <iostream>
 //#include "all_cases.h"
 #include "short_code.h"
+#include "common_code.h"
 
 int main() {
 
@@ -31,11 +32,18 @@ int main() {
 //    s.speed_up(ShortCode::Mode::NORMAL);
 //    std::cout << s.basic_ranges.size() << std::endl;
 
-    auto s = ShortCode();
+//    auto s = ShortCode();
-    s.speed_up(ShortCode::Mode::NORMAL); // enter normal mode first
+//    s.speed_up(ShortCode::Mode::NORMAL); // enter normal mode first
+//
+//    printf("%d\n", s.tiny_encode(0x6EC0F8800));
+//    printf("%09lX\n", s.tiny_decode(14323231));
+
 
-    printf("%d\n", s.tiny_encode(0x6EC0F8800));
+    if (CommonCode::check(0x4FEA13400)) {
-    printf("%09lX\n", s.tiny_decode(14323231));
+        std::cout << "true" << std::endl;
+    } else {
+        std::cout << "false" << std::endl;
+    }
 
     return 0;
 }