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-rw-r--r--demo3/common/agl-service-windowmanager/src/json_helper.cpp149
1 files changed, 149 insertions, 0 deletions
diff --git a/demo3/common/agl-service-windowmanager/src/json_helper.cpp b/demo3/common/agl-service-windowmanager/src/json_helper.cpp
new file mode 100644
index 0000000..d9cf5eb
--- /dev/null
+++ b/demo3/common/agl-service-windowmanager/src/json_helper.cpp
@@ -0,0 +1,149 @@
+/*
+ * Copyright (c) 2017 TOYOTA MOTOR CORPORATION
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "json_helper.hpp"
+#include "util.hpp"
+
+template <typename T>
+json_object *to_json_(T const &s)
+{
+ auto a = json_object_new_array();
+
+ if (!s.empty())
+ {
+ for (auto const &i : s)
+ {
+ json_object_array_add(a, to_json(i.second));
+ }
+ }
+
+ return a;
+}
+
+json_object *to_json(std::vector<uint32_t> const &v)
+{
+ auto a = json_object_new_array();
+ for (const auto i : v)
+ {
+ json_object_array_add(a, json_object_new_int(i));
+ }
+ 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("Not found key \"%s\"", key);
+ return nullptr;
+ }
+
+ return json_object_get_string(tmp);
+}
+
+int getIntFromJson(json_object *obj, const char *key)
+{
+ json_object *tmp;
+ if (!json_object_object_get_ex(obj, key, &tmp))
+ {
+ HMI_DEBUG("Not found key \"%s\"", key);
+ return 0;
+ }
+
+ return json_object_get_int(tmp);
+}
+
+double getDoubleFromJson(json_object *obj, const char *key)
+{
+ json_object *tmp;
+ if (!json_object_object_get_ex(obj, key, &tmp))
+ {
+ HMI_DEBUG("Not found key \"%s\"", key);
+ return 0;
+ }
+
+ return json_object_get_double(tmp);
+}
+
+json_bool getBoolFromJson(json_object *obj, const char *key)
+{
+ json_object *tmp;
+ if (!json_object_object_get_ex(obj, key, &tmp))
+ {
+ HMI_DEBUG("Not found key \"%s\"", key);
+ return FALSE;
+ }
+
+ return json_object_get_boolean(tmp);
+}
+
+int inputJsonFilie(const char* file, json_object** obj)
+{
+ const int input_size = 128;
+ int ret = -1;
+
+ HMI_DEBUG("Input file: %s", file);
+
+ // Open json file
+ FILE *fp = fopen(file, "rb");
+ if (nullptr == fp)
+ {
+ HMI_ERROR("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("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("Failed to parse file (byte:%d err:%s)",
+ (input_size * block_cnt), json_tokener_error_desc(json_error));
+ HMI_ERROR("\n%s", buffer);
+ *obj = nullptr;
+ break;
+ }
+ block_cnt++;
+ }
+
+ // Close json file
+ fclose(fp);
+
+ // Free json_tokener
+ json_tokener_free(tokener);
+
+ return ret;
+}
+
+} // namespace jh