From 6b59f64eaa5d80b7a1f94cb71f10f536d1008944 Mon Sep 17 00:00:00 2001
From: Dnomd343 <i@343.re>
Date: Fri, 27 Jan 2023 17:51:37 +0800
Subject: [PATCH] feat: common code string convert api

---
 src/klotski/ffi/codec.cc  | 30 ++++++++++++++++++++++++++++++
 src/klotski/ffi/klotski.h |  9 +++++++--
 src/main.c                | 31 ++++++++++++++++++++++++-------
 3 files changed, 61 insertions(+), 9 deletions(-)

diff --git a/src/klotski/ffi/codec.cc b/src/klotski/ffi/codec.cc
index 4b8d2a4..b859223 100644
--- a/src/klotski/ffi/codec.cc
+++ b/src/klotski/ffi/codec.cc
@@ -1,3 +1,4 @@
+#include <cstring>
 #include "klotski.h"
 #include "all_cases.h"
 #include "short_code.h"
@@ -104,3 +105,32 @@ bool common_code_to_short_code(uint64_t common_code, uint32_t *short_code) {
 }
 
 ////////////////////////////////////////////////////////////////////////////////
+
+bool common_code_to_string(uint64_t common_code, char common_code_str[]) {
+    if (!CommonCode::check(common_code)) {
+        return false;
+    }
+    std::string str = CommonCode::unsafe_create(common_code).to_string(false);
+    strcpy(common_code_str, str.c_str());
+    return true;
+}
+
+bool common_code_to_string_shorten(uint64_t common_code, char common_code_str[]) {
+    if (!CommonCode::check(common_code)) {
+        return false;
+    }
+    std::string str = CommonCode::unsafe_create(common_code).to_string(true);
+    strcpy(common_code_str, str.c_str());
+    return true;
+}
+
+bool common_code_from_string(const char common_code_str[], uint64_t *common_code) {
+    try {
+        *common_code = CommonCode::from_string(common_code_str).unwrap();
+    } catch (...) {
+        return false;
+    }
+    return true;
+}
+
+////////////////////////////////////////////////////////////////////////////////
diff --git a/src/klotski/ffi/klotski.h b/src/klotski/ffi/klotski.h
index 6d79e0f..b48b4dd 100644
--- a/src/klotski/ffi/klotski.h
+++ b/src/klotski/ffi/klotski.h
@@ -30,8 +30,6 @@ extern "C" {
     extern bool short_code_check(uint32_t short_code);
     extern bool common_code_check(uint64_t common_code);
 
-    // TODO: string code convert
-
     extern bool raw_code_to_short_code(uint64_t raw_code, uint32_t *short_code);
     extern bool short_code_to_raw_code(uint32_t short_code, uint64_t *raw_code);
     extern bool raw_code_to_common_code(uint64_t raw_code, uint64_t *common_code);
@@ -39,6 +37,13 @@ extern "C" {
     extern bool short_code_to_common_code(uint32_t short_code, uint64_t *common_code);
     extern bool common_code_to_short_code(uint64_t common_code, uint32_t *short_code);
 
+    // TODO: short code string convert
+
+    /// output char[] buffer at least 10-bytes
+    extern bool common_code_to_string(uint64_t common_code, char common_code_str[]);
+    extern bool common_code_to_string_shorten(uint64_t common_code, char common_code_str[]);
+    extern bool common_code_from_string(const char common_code_str[], uint64_t *common_code);
+
 #ifdef __cplusplus
 }
 #endif
diff --git a/src/main.c b/src/main.c
index 5aeb451..ae5d66f 100644
--- a/src/main.c
+++ b/src/main.c
@@ -13,18 +13,35 @@ int main() {
     uint32_t short_code;
     uint64_t common_code = 0x1A9BF0C00;
 
-    short_code_enable_fast();
-
-    if (!common_code_to_raw_code(common_code, &raw_code)) {
+//    short_code_enable_fast();
+//
+//    if (!common_code_to_raw_code(common_code, &raw_code)) {
+//        printf("error\n");
+//    } else {
+//        printf("raw code -> %015lX\n", raw_code);
+//    }
+//
+//    if (!common_code_to_short_code(common_code, &short_code)) {
+//        printf("error\n");
+//    } else {
+//        printf("short code -> %d\n", short_code);
+//    }
+
+    char common_code_str[10];
+    if (!common_code_to_string(common_code, common_code_str)) {
         printf("error\n");
     } else {
-        printf("raw code -> %015lX\n", raw_code);
+        printf("string -> %s\n", common_code_str);
     }
-
-    if (!common_code_to_short_code(common_code, &short_code)) {
+    if (!common_code_to_string_shorten(common_code, common_code_str)) {
+        printf("error\n");
+    } else {
+        printf("string shorten -> %s\n", common_code_str);
+    }
+    if (!common_code_from_string(common_code_str, &common_code)) {
         printf("error\n");
     } else {
-        printf("short code -> %d\n", short_code);
+        printf("common code -> %09lX\n", common_code);
     }
 
 //    printf("cli exit\n");