798 lines
20 KiB
Markdown
798 lines
20 KiB
Markdown
# t00021 - Visitor pattern
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## Config
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```yaml
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diagrams:
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t00021_class:
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type: class
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glob:
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- t00021.cc
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using_namespace: clanguml::t00021
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include:
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namespaces:
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- clanguml::t00021
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```
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## Source code
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File `tests/t00021/t00021.cc`
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```cpp
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#include <memory>
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namespace clanguml {
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namespace t00021 {
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class A;
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class B;
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class Visitor {
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public:
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virtual ~Visitor() = default;
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virtual void visit_A(const A &item) const = 0;
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virtual void visit_B(const B &item) const = 0;
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};
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class Visitor1 : public Visitor {
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public:
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void visit_A(const A &item) const override { }
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void visit_B(const B &item) const override { }
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};
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class Visitor2 : public Visitor {
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public:
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void visit_A(const A &item) const override { }
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void visit_B(const B &item) const override { }
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};
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class Visitor3 : public Visitor {
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public:
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void visit_A(const A &item) const override { }
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void visit_B(const B &item) const override { }
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};
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class Item {
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public:
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virtual ~Item() = default;
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virtual void accept(const Visitor &visitor) const = 0;
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};
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class A : public Item {
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public:
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void accept(const Visitor &visitor) const override { }
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};
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class B : public Item {
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public:
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void accept(const Visitor &visitor) const override { }
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};
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} // namespace t00021
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} // namespace clanguml
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```
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## Generated PlantUML diagrams
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## Generated Mermaid diagrams
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## Generated JSON models
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```json
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{
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"diagram_type": "class",
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"elements": [
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{
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"bases": [],
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"display_name": "Visitor",
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"id": "13349368885381955166",
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"is_abstract": true,
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"is_nested": false,
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"is_struct": false,
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"is_template": false,
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"is_union": false,
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"members": [],
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"methods": [
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{
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"access": "public",
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"display_name": "~Visitor",
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"is_const": false,
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"is_consteval": false,
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"is_constexpr": true,
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"is_constructor": false,
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"is_copy_assignment": false,
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"is_coroutine": false,
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"is_defaulted": true,
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"is_deleted": false,
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"is_move_assignment": false,
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"is_noexcept": false,
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"is_operator": false,
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"is_pure_virtual": false,
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"is_static": false,
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"is_virtual": true,
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"name": "~Visitor",
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"parameters": [],
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"source_location": {
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"column": 13,
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"file": "t00021.cc",
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"line": 11,
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"translation_unit": "t00021.cc"
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},
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"template_parameters": [],
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"type": "void"
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},
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{
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"access": "public",
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"display_name": "visit_A",
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"is_const": true,
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"is_consteval": false,
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"is_constexpr": false,
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"is_constructor": false,
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"is_copy_assignment": false,
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"is_coroutine": false,
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"is_defaulted": false,
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"is_deleted": false,
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"is_move_assignment": false,
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"is_noexcept": false,
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"is_operator": false,
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"is_pure_virtual": true,
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"is_static": false,
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"is_virtual": true,
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"name": "visit_A",
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"parameters": [
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{
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"name": "item",
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"type": "const A &"
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}
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],
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"source_location": {
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"column": 18,
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"file": "t00021.cc",
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"line": 12,
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"translation_unit": "t00021.cc"
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},
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"template_parameters": [],
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"type": "void"
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},
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{
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"access": "public",
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"display_name": "visit_B",
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"is_const": true,
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"is_consteval": false,
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"is_constexpr": false,
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"is_constructor": false,
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"is_copy_assignment": false,
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"is_coroutine": false,
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"is_defaulted": false,
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"is_deleted": false,
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"is_move_assignment": false,
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"is_noexcept": false,
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"is_operator": false,
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"is_pure_virtual": true,
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"is_static": false,
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"is_virtual": true,
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"name": "visit_B",
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"parameters": [
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{
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"name": "item",
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"type": "const B &"
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}
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],
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"source_location": {
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"column": 18,
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"file": "t00021.cc",
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"line": 13,
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"translation_unit": "t00021.cc"
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},
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"template_parameters": [],
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"type": "void"
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}
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],
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"name": "Visitor",
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"namespace": "clanguml::t00021",
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"source_location": {
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"column": 7,
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"file": "t00021.cc",
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"line": 9,
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"translation_unit": "t00021.cc"
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},
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"template_parameters": [],
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"type": "class"
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},
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{
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"bases": [
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{
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"access": "public",
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"id": "13349368885381955166",
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"is_virtual": false,
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"name": "clanguml::t00021::Visitor"
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}
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],
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"display_name": "Visitor1",
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"id": "8226953755203215571",
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"is_abstract": false,
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"is_nested": false,
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"is_struct": false,
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"is_template": false,
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"is_union": false,
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"members": [],
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"methods": [
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{
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"access": "public",
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"display_name": "visit_A",
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"is_const": true,
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"is_consteval": false,
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"is_constexpr": false,
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"is_constructor": false,
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"is_copy_assignment": false,
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"is_coroutine": false,
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"is_defaulted": false,
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"is_deleted": false,
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"is_move_assignment": false,
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"is_noexcept": false,
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"is_operator": false,
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"is_pure_virtual": false,
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"is_static": false,
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"is_virtual": true,
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"name": "visit_A",
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"parameters": [
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{
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"name": "item",
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"type": "const A &"
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}
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],
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"source_location": {
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"column": 10,
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"file": "t00021.cc",
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"line": 18,
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"translation_unit": "t00021.cc"
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},
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"template_parameters": [],
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"type": "void"
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},
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{
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"access": "public",
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"display_name": "visit_B",
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"is_const": true,
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"is_consteval": false,
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"is_constexpr": false,
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"is_constructor": false,
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"is_copy_assignment": false,
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"is_coroutine": false,
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"is_defaulted": false,
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"is_deleted": false,
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"is_move_assignment": false,
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"is_noexcept": false,
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"is_operator": false,
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"is_pure_virtual": false,
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"is_static": false,
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"is_virtual": true,
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"name": "visit_B",
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"parameters": [
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{
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"name": "item",
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"type": "const B &"
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}
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],
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"source_location": {
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"column": 10,
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"file": "t00021.cc",
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"line": 19,
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"translation_unit": "t00021.cc"
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},
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"template_parameters": [],
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"type": "void"
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}
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],
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"name": "Visitor1",
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"namespace": "clanguml::t00021",
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"source_location": {
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"column": 7,
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"file": "t00021.cc",
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"line": 16,
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"translation_unit": "t00021.cc"
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},
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"template_parameters": [],
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"type": "class"
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},
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{
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"bases": [
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{
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"access": "public",
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"id": "13349368885381955166",
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"is_virtual": false,
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"name": "clanguml::t00021::Visitor"
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}
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],
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"display_name": "Visitor2",
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"id": "13682986523810297046",
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"is_abstract": false,
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"is_nested": false,
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"is_struct": false,
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"is_template": false,
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"is_union": false,
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"members": [],
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"methods": [
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{
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"access": "public",
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"display_name": "visit_A",
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"is_const": true,
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"is_consteval": false,
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"is_constexpr": false,
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"is_constructor": false,
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"is_copy_assignment": false,
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"is_coroutine": false,
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"is_defaulted": false,
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"is_deleted": false,
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"is_move_assignment": false,
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"is_noexcept": false,
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"is_operator": false,
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"is_pure_virtual": false,
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"is_static": false,
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"is_virtual": true,
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"name": "visit_A",
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"parameters": [
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{
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"name": "item",
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"type": "const A &"
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}
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],
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"source_location": {
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"column": 10,
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"file": "t00021.cc",
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"line": 24,
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"translation_unit": "t00021.cc"
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},
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"template_parameters": [],
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"type": "void"
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},
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{
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"access": "public",
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"display_name": "visit_B",
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"is_const": true,
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"is_consteval": false,
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"is_constexpr": false,
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"is_constructor": false,
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"is_copy_assignment": false,
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"is_coroutine": false,
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"is_defaulted": false,
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"is_deleted": false,
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"is_move_assignment": false,
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"is_noexcept": false,
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"is_operator": false,
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"is_pure_virtual": false,
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"is_static": false,
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"is_virtual": true,
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"name": "visit_B",
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"parameters": [
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{
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"name": "item",
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"type": "const B &"
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}
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],
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"source_location": {
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"column": 10,
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"file": "t00021.cc",
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"line": 25,
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"translation_unit": "t00021.cc"
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},
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"template_parameters": [],
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"type": "void"
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}
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],
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"name": "Visitor2",
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"namespace": "clanguml::t00021",
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"source_location": {
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"column": 7,
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"file": "t00021.cc",
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"line": 22,
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"translation_unit": "t00021.cc"
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},
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"template_parameters": [],
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"type": "class"
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},
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{
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"bases": [
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{
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"access": "public",
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"id": "13349368885381955166",
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"is_virtual": false,
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"name": "clanguml::t00021::Visitor"
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}
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],
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"display_name": "Visitor3",
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"id": "11192209825433424201",
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"is_abstract": false,
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"is_nested": false,
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"is_struct": false,
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"is_template": false,
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"is_union": false,
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"members": [],
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"methods": [
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{
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"access": "public",
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"display_name": "visit_A",
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"is_const": true,
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"is_consteval": false,
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"is_constexpr": false,
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"is_constructor": false,
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"is_copy_assignment": false,
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"is_coroutine": false,
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"is_defaulted": false,
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"is_deleted": false,
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"is_move_assignment": false,
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"is_noexcept": false,
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"is_operator": false,
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"is_pure_virtual": false,
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"is_static": false,
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"is_virtual": true,
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"name": "visit_A",
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"parameters": [
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{
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"name": "item",
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"type": "const A &"
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}
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],
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"source_location": {
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"column": 10,
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"file": "t00021.cc",
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"line": 30,
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"translation_unit": "t00021.cc"
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},
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"template_parameters": [],
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"type": "void"
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},
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{
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"access": "public",
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"display_name": "visit_B",
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"is_const": true,
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"is_consteval": false,
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"is_constexpr": false,
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"is_constructor": false,
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"is_copy_assignment": false,
|
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"is_coroutine": false,
|
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"is_defaulted": false,
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"is_deleted": false,
|
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"is_move_assignment": false,
|
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"is_noexcept": false,
|
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"is_operator": false,
|
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"is_pure_virtual": false,
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"is_static": false,
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"is_virtual": true,
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"name": "visit_B",
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"parameters": [
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{
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"name": "item",
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"type": "const B &"
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}
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],
|
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"source_location": {
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"column": 10,
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"file": "t00021.cc",
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"line": 31,
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"translation_unit": "t00021.cc"
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},
|
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"template_parameters": [],
|
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"type": "void"
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}
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],
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"name": "Visitor3",
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"namespace": "clanguml::t00021",
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"source_location": {
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"column": 7,
|
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"file": "t00021.cc",
|
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"line": 28,
|
|
"translation_unit": "t00021.cc"
|
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},
|
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"template_parameters": [],
|
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"type": "class"
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},
|
|
{
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"bases": [],
|
|
"display_name": "Item",
|
|
"id": "11932550614071581777",
|
|
"is_abstract": true,
|
|
"is_nested": false,
|
|
"is_struct": false,
|
|
"is_template": false,
|
|
"is_union": false,
|
|
"members": [],
|
|
"methods": [
|
|
{
|
|
"access": "public",
|
|
"display_name": "~Item",
|
|
"is_const": false,
|
|
"is_consteval": false,
|
|
"is_constexpr": true,
|
|
"is_constructor": false,
|
|
"is_copy_assignment": false,
|
|
"is_coroutine": false,
|
|
"is_defaulted": true,
|
|
"is_deleted": false,
|
|
"is_move_assignment": false,
|
|
"is_noexcept": false,
|
|
"is_operator": false,
|
|
"is_pure_virtual": false,
|
|
"is_static": false,
|
|
"is_virtual": true,
|
|
"name": "~Item",
|
|
"parameters": [],
|
|
"source_location": {
|
|
"column": 13,
|
|
"file": "t00021.cc",
|
|
"line": 36,
|
|
"translation_unit": "t00021.cc"
|
|
},
|
|
"template_parameters": [],
|
|
"type": "void"
|
|
},
|
|
{
|
|
"access": "public",
|
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"display_name": "accept",
|
|
"is_const": true,
|
|
"is_consteval": false,
|
|
"is_constexpr": false,
|
|
"is_constructor": false,
|
|
"is_copy_assignment": false,
|
|
"is_coroutine": false,
|
|
"is_defaulted": false,
|
|
"is_deleted": false,
|
|
"is_move_assignment": false,
|
|
"is_noexcept": false,
|
|
"is_operator": false,
|
|
"is_pure_virtual": true,
|
|
"is_static": false,
|
|
"is_virtual": true,
|
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"name": "accept",
|
|
"parameters": [
|
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{
|
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"name": "visitor",
|
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"type": "const Visitor &"
|
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}
|
|
],
|
|
"source_location": {
|
|
"column": 18,
|
|
"file": "t00021.cc",
|
|
"line": 37,
|
|
"translation_unit": "t00021.cc"
|
|
},
|
|
"template_parameters": [],
|
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"type": "void"
|
|
}
|
|
],
|
|
"name": "Item",
|
|
"namespace": "clanguml::t00021",
|
|
"source_location": {
|
|
"column": 7,
|
|
"file": "t00021.cc",
|
|
"line": 34,
|
|
"translation_unit": "t00021.cc"
|
|
},
|
|
"template_parameters": [],
|
|
"type": "class"
|
|
},
|
|
{
|
|
"bases": [
|
|
{
|
|
"access": "public",
|
|
"id": "11932550614071581777",
|
|
"is_virtual": false,
|
|
"name": "clanguml::t00021::Item"
|
|
}
|
|
],
|
|
"display_name": "A",
|
|
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"is_union": false,
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"members": [],
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"methods": [
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{
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"access": "public",
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"display_name": "accept",
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"is_const": true,
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"is_consteval": false,
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"is_constexpr": false,
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"is_constructor": false,
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"is_copy_assignment": false,
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"is_coroutine": false,
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"is_defaulted": false,
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"is_virtual": true,
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|
"name": "accept",
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|
"parameters": [
|
|
{
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|
"name": "visitor",
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|
"type": "const Visitor &"
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}
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],
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"source_location": {
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"column": 10,
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"translation_unit": "t00021.cc"
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},
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"template_parameters": [],
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"type": "void"
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}
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],
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"name": "A",
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"namespace": "clanguml::t00021",
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|
"source_location": {
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},
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"template_parameters": [],
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"type": "class"
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{
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"bases": [
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"name": "clanguml::t00021::Item"
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}
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],
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"name": "accept",
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{
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"name": "visitor",
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"type": "const Visitor &"
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}
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],
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"source_location": {
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},
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"type": "void"
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}
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],
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"name": "B",
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},
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"template_parameters": [],
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"type": "class"
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}
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],
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"name": "t00021_class",
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"package_type": "namespace",
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|
"relationships": [
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{
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}
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],
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"using_namespace": "clanguml::t00021"
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}
|
|
```
|