1 files changed, 70 insertions, 0 deletions
diff --git a/src/json_helper.cpp b/src/json_helper.cpp
index 2e49778..43440db 100644
--- a/src/json_helper.cpp
+++ b/src/json_helper.cpp
@@ -15,6 +15,7 @@
  */
 
 #include "json_helper.hpp"
+#include "hmi-debug.h"
 
 #include <json.h>
 
@@ -108,3 +109,72 @@ json_object *to_json(std::vector<uint32_t> const &v)
     }
     return a;
 }
+
+namespace jh {
+
+const char* getStringFromJson(json_object* obj, const char* key)
+{
+    json_object* tmp;
+    if (!json_object_object_get_ex(obj, key, &tmp))
+    {
+        HMI_DEBUG("wm:jh", "Not found key \"%s\"", key);
+        return nullptr;
+    }
+
+    return json_object_get_string(tmp);
+}
+
+int inputJsonFilie(const char* file, json_object** obj)
+{
+    const int input_size = 128;
+    int ret = -1;
+
+    HMI_DEBUG("wm:jh", "Input file: %s", file);
+
+    // Open json file
+    FILE *fp = fopen(file, "rb");
+    if (nullptr == fp)
+    {
+        HMI_ERROR("wm:jh", "Could not open file");
+        return ret;
+    }
+
+    // Parse file data
+    struct json_tokener *tokener = json_tokener_new();
+    enum json_tokener_error json_error;
+    char buffer[input_size];
+    int block_cnt = 1;
+    while (1)
+    {
+        size_t len = fread(buffer, sizeof(char), input_size, fp);
+        *obj = json_tokener_parse_ex(tokener, buffer, len);
+        if (nullptr != *obj)
+        {
+            HMI_DEBUG("wm:jh", "File input is success");
+            ret = 0;
+            break;
+        }
+
+        json_error = json_tokener_get_error(tokener);
+        if ((json_tokener_continue != json_error)
+            || (input_size > len))
+        {
+            HMI_ERROR("wm:jh", "Failed to parse file (byte:%d err:%s)",
+                      (input_size * block_cnt), json_tokener_error_desc(json_error));
+            HMI_ERROR("wm:jh", "\n%s", buffer);
+            *obj = nullptr;
+            break;
+        }
+        block_cnt++;
+    }
+
+    // Close json file
+    fclose(fp);
+
+    // Free json_tokener
+    json_tokener_free(tokener);
+
+    return ret;
+}
+
+} // namespace jh