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Optimization of json params as const-reference instead of creating new json object

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This commit is contained in:
LUDA-PC\ludek.vodicka
2018-02-23 12:22:29 +01:00
parent 85586245a5
commit 8f4cec2b2d
1 changed files with 5 additions and 5 deletions
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src/inja.hpp
+5 -5
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@@ -337,7 +337,7 @@ class Renderer {
public:
ElementNotation element_notation;
std::map<std::string, std::function<json(Parsed::Arguments, json)>> map_callbacks;
std::map<std::string, std::function<json(Parsed::Arguments, const json&)>> map_callbacks;
template<bool>
bool eval_expression(const Parsed::ElementExpression& element, json data) {
@@ -349,11 +349,11 @@ public:
}
template<typename T = json>
T eval_expression(const Parsed::ElementExpression& element, json data) {
T eval_expression(const Parsed::ElementExpression& element, const json &data) {
return eval_function(element, data).get<T>();
}
json eval_function(const Parsed::ElementExpression& element, json data) {
json eval_function(const Parsed::ElementExpression& element, const json& data) {
switch (element.function) {
case Parsed::Function::Upper: {
std::string str = eval_expression<std::string>(element.args[0], data);
@@ -909,13 +909,13 @@ public:
return j;
}
void add_callback(std::string name, int number_arguments, std::function<json(Parsed::Arguments, json)> callback) {
void add_callback(std::string name, int number_arguments, std::function<json(Parsed::Arguments, const json&)> callback) {
parser.regex_map_callbacks[name] = Parser::function_regex(name, number_arguments);
renderer.map_callbacks[name] = callback;
}
template<typename T = json>
T get_argument(Parsed::Arguments args, int index, json data) {
T get_argument(Parsed::Arguments args, int index, const json& data) {
return renderer.eval_expression<T>(args[index], data);
}
};