默认值支持条件值

hgdriver/hgdev/device_opt.cpp

@@ -863,6 +863,10 @@ void device_option::clear(void)
 	for (auto& v : range_value_)
 		delete v.second;
 	range_value_.clear();
+
+	for (auto& v : init_value_)
+		delete v.second;
+	init_value_.clear();
 }
 gb_json* device_option::group_opt(const char* title)
 {
@@ -972,12 +976,27 @@ void device_option::init_depends(gb_json* opt)
 
 		opt->get_value("type", dpnd);
 		if (val->set_value(range, dpnd.c_str(), this))
-			range_value_[opt->key().c_str()] = val;
+			range_value_[opt->key()] = val;
 		else
 			delete val;
 
 		range->release();
 	}
+
+	// default:
+	range = nullptr;
+	opt->get_value("default", range);
+	opt->get_value("type", dpnd);
+	if (range)
+	{
+		range_value* rv = new range_value();
+		if (rv->set_value(range, dpnd.c_str(), this))
+			init_value_[opt->key()] = rv;
+		else
+			delete rv;
+
+		range->release();
+	}
 }
 gb_json* device_option::copy_opt(gb_json* from)
 {
@@ -1005,7 +1024,31 @@ gb_json* device_option::copy_opt(gb_json* from)
 		if (slaver_.count(to->key()))
 			to->set_value("enabled", slaver_[to->key()]->value(&device_option::calc_simple_logic_expression, this));
 
-		// 3: range value ...
+		// 3: default value ...
+		if (init_value_.count(to->key()))
+		{
+			std::string val(init_value_[to->key()]->first_value(&device_option::calc_simple_logic_expression, this));
+			for (int i = 0; i < init_value_[to->key()]->count(); ++i)
+			{
+				if (!val.empty())
+				{
+					std::string type("");
+					to->get_value("type", type);
+					if (type == JSON_SANE_TYPE_BOOL)
+						to->set_value("default", *(bool*)val.c_str());
+					else if(type == JSON_SANE_TYPE_INT)
+						to->set_value("default", *(int*)val.c_str());
+					else if(type == JSON_SANE_TYPE_FIXED)
+						to->set_value("default", *(double*)val.c_str());
+					else if(type == JSON_SANE_TYPE_STRING)
+						to->set_value("default", (const wchar_t*)val.c_str());
+					break;
+				}
+				val = init_value_[to->key()]->next_value(&device_option::calc_simple_logic_expression, this);
+			}
+		}
+
+		// 4: range value ...
 		if (range_value_.count(to->key()))
 		{
 			gb_json* src = nullptr, * dst = nullptr;

hgdriver/hgdev/device_opt.h

@@ -127,6 +127,7 @@ class device_option
 		}
 	};
 	std::map<std::string, range_value*>	range_value_;
+	std::map<std::string, range_value*>	init_value_;
 
 	static bool is_equal_b(gb_json* opt, void* val, void* v1, void* v2);
 	static bool is_equal_i(gb_json* opt, void* val, void* v1, void* v2);