Merge pull request #2912 from zlx/feature/ruby_enum_support

Add Ruby enum support

modules/swagger-codegen/src/main/java/io/swagger/codegen/languages/RubyClientCodegen.java

@@ -5,6 +5,7 @@ import io.swagger.codegen.CodegenConfig;
 import io.swagger.codegen.CodegenConstants;
 import io.swagger.codegen.CodegenOperation;
 import io.swagger.codegen.CodegenParameter;
+import io.swagger.codegen.CodegenProperty;
 import io.swagger.codegen.CodegenType;
 import io.swagger.codegen.DefaultCodegen;
 import io.swagger.codegen.SupportingFile;
@@ -527,6 +528,57 @@ public class RubyClientCodegen extends DefaultCodegen implements CodegenConfig {
         return camelize(name) + "Api";
     }
 
+    @Override
+    public String toEnumValue(String value, String datatype) {
+        if ("Integer".equals(datatype) || "Float".equals(datatype)) {
+            return value;
+        } else {
+            return "\"" + escapeText(value) + "\"";
+        }
+    }
+
+    @Override
+    public String toEnumVarName(String name, String datatype) {
+        // number
+        if ("Integer".equals(datatype) || "Float".equals(datatype)) {
+            String varName = new String(name);
+            varName = varName.replaceAll("-", "MINUS_");
+            varName = varName.replaceAll("\\+", "PLUS_");
+            varName = varName.replaceAll("\\.", "_DOT_");
+            return varName;
+        }
+
+        // string
+        String enumName = sanitizeName(underscore(name).toUpperCase());
+        enumName = enumName.replaceFirst("^_", "");
+        enumName = enumName.replaceFirst("_$", "");
+
+        if (enumName.matches("\\d.*")) { // starts with number
+            return "N" + enumName;
+        } else {
+            return enumName;
+        }
+    }
+
+    @Override
+    public String toEnumName(CodegenProperty property) {
+        String enumName = underscore(toModelName(property.name)).toUpperCase();
+        enumName = enumName.replaceFirst("^_", "");
+        enumName = enumName.replaceFirst("_$", "");
+
+        if (enumName.matches("\\d.*")) { // starts with number
+            return "N" + enumName;
+        } else {
+            return enumName;
+        }
+    }
+
+    @Override
+    public Map<String, Object> postProcessModels(Map<String, Object> objs) {
+        // process enum in models
+        return postProcessModelsEnum(objs);
+    }
+
     @Override
     public String toOperationId(String operationId) {
         // rename to empty_method_name_1 (e.g.) if method name is empty