Added Easy::Entity::from_string() and Easy::json_array_to_vector()

CMakeLists.txt

@@ -1,6 +1,6 @@
 cmake_minimum_required (VERSION 3.7)
 project (mastodon-cpp
-         VERSION 0.7.15
+         VERSION 0.7.16
          LANGUAGES CXX
 )
 

src/easy/easy.cpp

@@ -29,9 +29,35 @@ Easy::Easy(const string &instance, const string &access_token)
 : API(instance, access_token)
 {}
 
+const std::vector<string> Easy::json_array_to_vector(const string &json)
+{
+    Json::Value json_array;
+    std::stringstream ss(json);
+    ss >> json_array;
+
+    if (json_array.isArray())
+    {
+        std::vector<string> vec;
+        for (const Json::Value &value : json_array)
+        {
+            vec.push_back(value.toStyledString());
+        }
+        return vec;
+    }
+
+    ttdebug << "ERROR: JSON string holds no array\n";
+    ttdebug << "String was: " << json << '\n';
+    return {};
+}
+
 Easy::Entity::Entity(const string &json)
 : _tree(Json::nullValue)
 , _valid(false)
+{
+    from_string(json);
+}
+
+const void Easy::Entity::from_string(const string &json)
 {
     std::stringstream ss(json);
     ss >> _tree;

src/easy/easy.hpp

@@ -103,6 +103,15 @@ public:
      */
     explicit Easy(const string &instance, const string &access_token);
 
+    /*!
+     *  @brief  Turns an JSON array into a vector of strings
+     *
+     *  @param  json    JSON string holding the array
+     *
+     *  @return vector of strings or an empty vector on error
+     */
+    static const std::vector<string> json_array_to_vector(const string &json);
+
     /*!
      *  @brief  Base class for entities.
      */
@@ -121,6 +130,14 @@ public:
          */
         Entity();
 
+        /*!
+         *  @brief  Replaces the Entity object with a new one from a JSON
+         *          string.
+         *
+         *  @param  json    JSON string
+         */
+        const void from_string(const string &json);
+
         /*!
          *  @brief  Returns true if the Entity holds valid data
          */