From b4a79e00dd3b52d8271f3f5c939c3a4703bf7987 Mon Sep 17 00:00:00 2001
From: lyon <liang6516@outlook.com>
Date: Thu, 24 Nov 2022 01:14:27 +0800
Subject: [PATCH] add obj/args_setNone() api

---
 src/PikaObj.c          | 11 +++++++++++
 src/PikaObj.h          |  1 +
 src/dataArgs.c         |  9 +++++++++
 src/dataArgs.h         |  1 +
 test/pikaMain-test.cpp |  9 +++++++++
 5 files changed, 31 insertions(+)

diff --git a/src/PikaObj.c b/src/PikaObj.c
index 6aa337de7..c453649a2 100644
--- a/src/PikaObj.c
+++ b/src/PikaObj.c
@@ -180,6 +180,7 @@ PIKA_RES obj_setFloat(PikaObj* self, char* argPath, pika_float value) {
 }
 
 PIKA_RES obj_setStr(PikaObj* self, char* argPath, char* str) {
+    pika_assert(NULL != str);
     PikaObj* obj = obj_getHostObj(self, argPath);
     if (NULL == obj) {
         return PIKA_RES_ERR_ARG_NO_FOUND;
@@ -189,6 +190,16 @@ PIKA_RES obj_setStr(PikaObj* self, char* argPath, char* str) {
     return PIKA_RES_OK;
 }
 
+PIKA_RES obj_setNone(PikaObj* self, char* argPath) {
+    PikaObj* obj = obj_getHostObj(self, argPath);
+    if (NULL == obj) {
+        return PIKA_RES_ERR_ARG_NO_FOUND;
+    }
+    char* name = strPointToLastToken(argPath, '.');
+    args_setNone(obj->list, name);
+    return PIKA_RES_OK;
+}
+
 PIKA_RES obj_setBytes(PikaObj* self, char* argPath, uint8_t* src, size_t size) {
     PikaObj* obj = obj_getHostObj(self, argPath);
     if (NULL == obj) {
diff --git a/src/PikaObj.h b/src/PikaObj.h
index 124315bbf..264bcb922 100644
--- a/src/PikaObj.h
+++ b/src/PikaObj.h
@@ -162,6 +162,7 @@ PIKA_RES obj_setRef(PikaObj* self, char* argPath, PikaObj* pointer);
 PIKA_RES obj_setPtr(PikaObj* self, char* argPath, void* pointer);
 PIKA_RES obj_setFloat(PikaObj* self, char* argPath, pika_float value);
 PIKA_RES obj_setStr(PikaObj* self, char* argPath, char* str);
+PIKA_RES obj_setNone(PikaObj* self, char* argPath);
 PIKA_RES obj_setArg(PikaObj* self, char* argPath, Arg* arg);
 PIKA_RES obj_setArg_noCopy(PikaObj* self, char* argPath, Arg* arg);
 PIKA_RES obj_setBytes(PikaObj* self, char* argPath, uint8_t* src, size_t size);
diff --git a/src/dataArgs.c b/src/dataArgs.c
index 7699d0e7a..c01d3236b 100644
--- a/src/dataArgs.c
+++ b/src/dataArgs.c
@@ -85,6 +85,7 @@ PIKA_RES args_setRef(Args* self, char* name, void* argPointer) {
 }
 
 PIKA_RES args_setStr(Args* self, char* name, char* strIn) {
+    pika_assert(NULL != strIn);
     PIKA_RES errCode = PIKA_RES_OK;
     Arg* argNew = New_arg(NULL);
     argNew = arg_setStr(argNew, name, strIn);
@@ -95,6 +96,14 @@ PIKA_RES args_setStr(Args* self, char* name, char* strIn) {
     return errCode;
 }
 
+PIKA_RES args_setNone(Args* self, char* name) {
+    PIKA_RES errCode = PIKA_RES_OK;
+    Arg* argNew = arg_newNull();
+    arg_setName(argNew, name);
+    args_setArg(self, argNew);
+    return errCode;
+}
+
 PIKA_RES args_pushArg(Args* self, Arg* arg) {
     Arg* new_arg = NULL;
     if (!arg_isSerialized(arg)) {
diff --git a/src/dataArgs.h b/src/dataArgs.h
index 7526b2e99..81cb6d9de 100644
--- a/src/dataArgs.h
+++ b/src/dataArgs.h
@@ -57,6 +57,7 @@ int32_t args_isArgExist_hash(Args* self, Hash nameHash);
 int32_t args_isArgExist(Args* self, char* name);
 
 PIKA_RES args_setStr(Args* self, char* name, char* strIn);
+PIKA_RES args_setNone(Args* self, char* name);
 PIKA_RES args_setStrWithDefaultName(Args* self, char* strIn);
 char* args_getStr(Args* self, char* name);
 
diff --git a/test/pikaMain-test.cpp b/test/pikaMain-test.cpp
index bda62b3dc..8fa0386ca 100644
--- a/test/pikaMain-test.cpp
+++ b/test/pikaMain-test.cpp
@@ -2830,4 +2830,13 @@ TEST(pikaMain, REPL_key_left_del) {
     EXPECT_EQ(pikaMemNow(), 0);
 }
 
+TEST(pikaMain, obj_setNone) {
+    PikaObj* pikaMain = newRootObj("pikaMain", New_PikaMain);
+    obj_setNone(pikaMain, "n");
+    obj_run(pikaMain, "print(n)");
+    EXPECT_STREQ(log_buff[0], "None\r\n");
+    obj_deinit(pikaMain);
+    EXPECT_EQ(pikaMemNow(), 0);
+}
+
 TEST_END
\ No newline at end of file