From: mk5004.lee <mk5004.lee@samsung.com>
Date: Thu, 28 Nov 2019 04:26:32 +0000 (+0900)
Subject: Add new api to get type
X-Git-Tag: submit/tizen/20200121.084153~1
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=9d38434999a3d82fbbb0b94fa55d9255e6a04153;p=platform%2Fcore%2Fapi%2Fpreference.git

Add new api to get type

Change-Id: I6201c13791d10ae75e75d4f66543804c15dd6aa6
Signed-off-by: mk5004.lee <mk5004.lee@samsung.com>
---

diff --git a/include/app_preference.h b/include/app_preference.h
index 7113578..4aeb98c 100644
--- a/include/app_preference.h
+++ b/include/app_preference.h
@@ -47,6 +47,18 @@ typedef enum {
 	PREFERENCE_ERROR_IO_ERROR = TIZEN_ERROR_IO_ERROR , /**< Internal I/O Error */
 } preference_error_e;
 
+/**
+ * @brief Enumeration for Preference type.
+ * @since_tizen 5.5
+ */
+typedef enum {
+	PREFERENCE_TYPE_NONE = 0, /**< None */
+	PREFERENCE_TYPE_STRING, /**< String */
+	PREFERENCE_TYPE_INT, /**< Int */
+	PREFERENCE_TYPE_DOUBLE, /**< Double */
+	PREFERENCE_TYPE_BOOLEAN, /**< Bool */
+} preference_type_e;
+
 
 /**
  * @brief Called when the given key's value in the preference changes.
@@ -308,7 +320,21 @@ int preference_unset_changed_cb(const char *key);
  */
 int preference_foreach_item(preference_item_cb callback, void *user_data);
 
-
+/**
+ * @brief Gets the type of a preference.
+ * @since_tizen 5.5
+ * @param[in] key The name of the key
+ * @param[out] type The preference type
+ * @return @c 0 on success,
+ *         otherwise a negative error value
+ * @retval #PREFERENCE_ERROR_NONE Successful
+ * @retval #PREFERENCE_ERROR_INVALID_PARAMETER Invalid parameter
+ * @retval #PREFERENCE_ERROR_NO_KEY Required key not available
+ * @retval #PREFERENCE_ERROR_IO_ERROR Internal I/O Error
+ * @retval #PREFERENCE_ERROR_OUT_OF_MEMORY Out of memory
+ * @see #preference_type_e
+ */
+int preference_get_type(const char *key, preference_type_e *type);
 /**
  * @}
  */
diff --git a/include/app_preference_internal.h b/include/app_preference_internal.h
index 478efb7..0221c20 100644
--- a/include/app_preference_internal.h
+++ b/include/app_preference_internal.h
@@ -91,14 +91,6 @@ extern "C" {
  */
 #define PREFERENCE_ERROR_FILE_LOCK       -29
 
-typedef enum {
-	PREFERENCE_TYPE_NONE = 0,
-	PREFERENCE_TYPE_STRING,
-	PREFERENCE_TYPE_INT,
-	PREFERENCE_TYPE_DOUBLE,
-	PREFERENCE_TYPE_BOOLEAN,
-} preference_type_e;
-
 typedef struct _pref_changed_cb_node_t {
 	char *key;
 	preference_changed_cb cb;
diff --git a/src/preference.c b/src/preference.c
index cbf815c..4547d5f 100644
--- a/src/preference.c
+++ b/src/preference.c
@@ -1594,3 +1594,45 @@ API int preference_foreach_item(preference_item_cb callback, void *user_data)
 	return PREFERENCE_ERROR_NONE;
 }
 
+/*
+ * This function get the type of given key
+ * @param[in]	key	key
+ * @param[out]	type output buffer
+ * @return 0 on success, -value on error
+ */
+API int preference_get_type(const char *key, preference_type_e *type)
+{
+	int ret;
+	keynode_t *pKeyNode;
+
+	START_TIME_CHECK
+
+	retvm_if(key == NULL, PREFERENCE_ERROR_INVALID_PARAMETER,
+			"Invalid argument: key is null");
+	retvm_if(type == NULL, PREFERENCE_ERROR_INVALID_PARAMETER,
+			"Invalid argument: output buffer is null");
+
+	pKeyNode = _preference_keynode_new();
+	retvm_if(pKeyNode == NULL, PREFERENCE_ERROR_OUT_OF_MEMORY, "key malloc fail");
+
+	ret = _preference_keynode_set_keyname(pKeyNode, key);
+	if (ret != PREFERENCE_ERROR_NONE) {
+		ERR("set key name error");
+		_preference_keynode_free(pKeyNode);
+		return ret;
+	}
+
+	ret = _preference_get_key(pKeyNode);
+	if (ret != PREFERENCE_ERROR_NONE) {
+		ERR("preference_get_int(%d) : key(%s) error", getpid(), key);
+		*type = PREFERENCE_TYPE_NONE;
+	} else {
+		*type = pKeyNode->type;
+	}
+
+	_preference_keynode_free(pKeyNode);
+
+	END_TIME_CHECK
+
+	return ret;
+}