Method modulesFromJson

src/plugin/Plugin.cpp:113–174

void Plugin::modulesFromJson(json_t* rootJ) {
	// Reordered models vector
	std::list<Model*> newModels;

	if (rootJ && json_array_size(rootJ) > 0) {
		size_t moduleId;
		json_t* moduleJ;
		json_array_foreach(rootJ, moduleId, moduleJ) {
			// Get model slug
			json_t* modelSlugJ = json_object_get(moduleJ, "slug");
			if (!modelSlugJ) {
				throw Exception("No slug found for module entry #%d", (int) moduleId);
			}
			std::string modelSlug = json_string_value(modelSlugJ);

			// Check model slug
			if (!isSlugValid(modelSlug)) {
				throw Exception("Module slug \"%s\" is invalid", modelSlug.c_str());
			}

			// Get model
			auto it = std::find_if(models.begin(), models.end(), [&](Model* m) {
				return m->slug == modelSlug;
			});
			if (it == models.end()) {
				throw Exception("Manifest contains module %s but it is not defined in plugin", modelSlug.c_str());
			}

			Model* model = *it;
			models.erase(it);
			newModels.push_back(model);

			model->fromJson(moduleJ);
		}
	}
	else {
		WARN("No modules in plugin manifest %s", slug.c_str());
	}

	if (!models.empty()) {
		std::vector<std::string> slugs;
		for (Model* model : models) {
			slugs.push_back(model->slug);
			delete model;
		}
		throw Exception("Plugin defines module %s but it is not defined in manifest", string::join(slugs, ", ").c_str());
	}

	models = newModels;

	// Remove models without names
	// This is a hacky way of matching JSON models with C++ models.
	for (auto it = models.begin(); it != models.end();) {
		Model* model = *it;
		if (model->name == "") {
			it = models.erase(it);
			delete model;
			continue;