[C++][RESTSDK] support enums (#2749)

* Support enums

* Updating petstore sample

* Use enum class instead of just enum

* Use string_t for g++ compatibility

* Add enum descriptions

* Fix string parsing. Make g++ compatible.

modules/openapi-generator/src/main/resources/cpp-rest-sdk-client/model-header.mustache

@@ -20,6 +20,48 @@
 namespace {{this}} {
 {{/modelNamespaceDeclarations}}
 
+{{#isEnum}}
+class {{declspec}} {{classname}}
+    : public {{#parent}}{{{parent}}}{{/parent}}{{^parent}}ModelBase{{/parent}}
+{
+public:
+    {{classname}}();
+    virtual ~{{classname}}();
+
+    /////////////////////////////////////////////
+    /// ModelBase overrides
+
+    void validate() override;
+
+    web::json::value toJson() const override;
+    void fromJson(const web::json::value& json) override;
+
+    void toMultipart(std::shared_ptr<MultipartFormData> multipart, const utility::string_t& namePrefix) const override;
+    void fromMultiPart(std::shared_ptr<MultipartFormData> multipart, const utility::string_t& namePrefix) override;
+
+    enum class e{{classname}} 
+    {
+        {{#allowableValues}}
+        {{#values}}
+        {{#enumDescription}}
+        /// <summary>
+        /// {{enumDescription}}
+        /// </summary>
+        {{/enumDescription}}
+        {{classname}}_{{.}}{{^last}},{{/last}}
+        {{/values}}
+        {{/allowableValues}}
+    };
+
+    e{{classname}} getValue() const;
+    void setValue(e{{classname}} const value);
+
+    protected:
+        e{{classname}} m_value;
+};
+{{/isEnum}}
+{{^isEnum}}
+
 /// <summary>
 /// {{description}}
 /// </summary>
@@ -75,6 +117,8 @@ protected:
     {{/vars}}
 };
 
+{{/isEnum}}
+
 {{#modelNamespaceDeclarations}}
 }
 {{/modelNamespaceDeclarations}}

modules/openapi-generator/src/main/resources/cpp-rest-sdk-client/model-source.mustache

@@ -7,6 +7,90 @@
 namespace {{this}} {
 {{/modelNamespaceDeclarations}}
 
+
+{{#isEnum}}
+
+{{classname}}::{{classname}}()
+{
+}
+
+{{classname}}::~{{classname}}()
+{
+}
+
+void {{classname}}::validate()
+{
+    // TODO: implement validation
+}
+
+web::json::value {{classname}}::toJson() const
+{
+    web::json::value val = web::json::value::object();
+
+    {{#allowableValues}}{{#values}}
+    if (m_value == e{{classname}}::{{classname}}_{{.}}) val = web::json::value::string(U("{{.}}"));{{/values}}{{/allowableValues}}
+
+    return val;
+}
+
+void {{classname}}::fromJson(const web::json::value& val)
+{
+    auto s = val.as_string();
+
+    {{#allowableValues}}{{#values}}
+    if (s == utility::conversions::to_string_t("{{.}}")) m_value = e{{classname}}::{{classname}}_{{.}};{{/values}}{{/allowableValues}}
+}
+
+void {{classname}}::toMultipart(std::shared_ptr<MultipartFormData> multipart, const utility::string_t& prefix) const
+{
+    utility::string_t namePrefix = prefix;
+    if(namePrefix.size() > 0 && namePrefix.substr(namePrefix.size() - 1) != utility::conversions::to_string_t("."))
+    {
+        namePrefix += utility::conversions::to_string_t(".");
+    }
+
+    utility::string_t s;
+
+    {{#allowableValues}}{{#values}}
+    if (m_value == e{{classname}}::{{classname}}_{{.}}) s = utility::conversions::to_string_t("{{.}}");{{/values}}{{/allowableValues}}
+
+    multipart->add(ModelBase::toHttpContent(namePrefix, s));
+}
+
+void {{classname}}::fromMultiPart(std::shared_ptr<MultipartFormData> multipart, const utility::string_t& prefix)
+{
+    utility::string_t namePrefix = prefix;
+    if(namePrefix.size() > 0 && namePrefix.substr(namePrefix.size() - 1) != utility::conversions::to_string_t("."))
+    {
+        namePrefix += utility::conversions::to_string_t(".");
+    }
+
+    {
+        utility::string_t s;
+        s = ModelBase::stringFromHttpContent(multipart->getContent(namePrefix));
+        e{{classname}} v;
+        
+        {{#allowableValues}}{{#values}}
+        if (s == utility::conversions::to_string_t("{{.}}")) v = e{{classname}}::{{classname}}_{{.}};{{/values}}{{/allowableValues}}
+
+        setValue(v);
+    }
+}
+
+{{classname}}::e{{classname}} {{classname}}::getValue() const
+{
+   return m_value;
+}
+
+void {{classname}}::setValue({{classname}}::e{{classname}} const value)
+{
+   m_value = value;
+}
+
+{{/isEnum}}
+
+{{^isEnum}}
+
 {{classname}}::{{classname}}()
 {
     {{#vars}}
@@ -629,9 +713,11 @@ void {{classname}}::unset{{name}}()
 {{/required}}
 {{/isInherited}}
 {{/vars}}
+{{/isEnum}}
 {{#modelNamespaceDeclarations}}
 }
 {{/modelNamespaceDeclarations}}
 
+
 {{/model}}
 {{/models}}

samples/client/petstore/cpp-restsdk/model/ApiResponse.cpp

@@ -18,6 +18,9 @@ namespace openapitools {
 namespace client {
 namespace model {
 
+
+
+
 ApiResponse::ApiResponse()
 {
     m_Code = 0;
@@ -197,3 +200,4 @@ void ApiResponse::unsetMessage()
 }
 }
 
+

samples/client/petstore/cpp-restsdk/model/ApiResponse.h

@@ -28,6 +28,7 @@ namespace openapitools {
 namespace client {
 namespace model {
 
+
 /// <summary>
 /// Describes the result of uploading an image resource
 /// </summary>
@@ -89,6 +90,7 @@ protected:
     bool m_MessageIsSet;
 };
 
+
 }
 }
 }

samples/client/petstore/cpp-restsdk/model/Category.cpp

@@ -18,6 +18,9 @@ namespace openapitools {
 namespace client {
 namespace model {
 
+
+
+
 Category::Category()
 {
     m_Id = 0L;
@@ -154,3 +157,4 @@ void Category::unsetName()
 }
 }
 
+

samples/client/petstore/cpp-restsdk/model/Category.h

@@ -28,6 +28,7 @@ namespace openapitools {
 namespace client {
 namespace model {
 
+
 /// <summary>
 /// A category for a pet
 /// </summary>
@@ -78,6 +79,7 @@ protected:
     bool m_NameIsSet;
 };
 
+
 }
 }
 }

samples/client/petstore/cpp-restsdk/model/Order.cpp

@@ -18,6 +18,9 @@ namespace openapitools {
 namespace client {
 namespace model {
 
+
+
+
 Order::Order()
 {
     m_Id = 0L;
@@ -326,3 +329,4 @@ void Order::unsetComplete()
 }
 }
 
+

samples/client/petstore/cpp-restsdk/model/Order.h

@@ -28,6 +28,7 @@ namespace openapitools {
 namespace client {
 namespace model {
 
+
 /// <summary>
 /// An order for a pets from the pet store
 /// </summary>
@@ -122,6 +123,7 @@ protected:
     bool m_CompleteIsSet;
 };
 
+
 }
 }
 }

samples/client/petstore/cpp-restsdk/model/Pet.cpp

@@ -18,6 +18,9 @@ namespace openapitools {
 namespace client {
 namespace model {
 
+
+
+
 Pet::Pet()
 {
     m_Id = 0L;
@@ -352,3 +355,4 @@ void Pet::unsetStatus()
 }
 }
 
+

samples/client/petstore/cpp-restsdk/model/Pet.h

@@ -31,6 +31,7 @@ namespace openapitools {
 namespace client {
 namespace model {
 
+
 /// <summary>
 /// A pet for sale in the pet store
 /// </summary>
@@ -119,6 +120,7 @@ protected:
     bool m_StatusIsSet;
 };
 
+
 }
 }
 }

samples/client/petstore/cpp-restsdk/model/Tag.cpp

@@ -18,6 +18,9 @@ namespace openapitools {
 namespace client {
 namespace model {
 
+
+
+
 Tag::Tag()
 {
     m_Id = 0L;
@@ -154,3 +157,4 @@ void Tag::unsetName()
 }
 }
 
+

samples/client/petstore/cpp-restsdk/model/Tag.h

@@ -28,6 +28,7 @@ namespace openapitools {
 namespace client {
 namespace model {
 
+
 /// <summary>
 /// A tag for a pet
 /// </summary>
@@ -78,6 +79,7 @@ protected:
     bool m_NameIsSet;
 };
 
+
 }
 }
 }

samples/client/petstore/cpp-restsdk/model/User.cpp

@@ -18,6 +18,9 @@ namespace openapitools {
 namespace client {
 namespace model {
 
+
+
+
 User::User()
 {
     m_Id = 0L;
@@ -412,3 +415,4 @@ void User::unsetUserStatus()
 }
 }
 
+

samples/client/petstore/cpp-restsdk/model/User.h

@@ -28,6 +28,7 @@ namespace openapitools {
 namespace client {
 namespace model {
 
+
 /// <summary>
 /// A User who is purchasing from the pet store
 /// </summary>
@@ -144,6 +145,7 @@ protected:
     bool m_UserStatusIsSet;
 };
 
+
 }
 }
 }