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io.swagger.codegen.languages.PistacheServerCodegen Maven / Gradle / Ivy
package io.swagger.codegen.languages;
import java.io.File;
import java.util.Arrays;
import java.util.HashMap;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.Set;
import io.swagger.codegen.CodegenModel;
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;
import io.swagger.models.Model;
import io.swagger.models.Operation;
import io.swagger.models.Response;
import io.swagger.models.Swagger;
import io.swagger.models.properties.ArrayProperty;
import io.swagger.models.properties.BaseIntegerProperty;
import io.swagger.models.properties.BooleanProperty;
import io.swagger.models.properties.DateProperty;
import io.swagger.models.properties.DateTimeProperty;
import io.swagger.models.properties.DecimalProperty;
import io.swagger.models.properties.DoubleProperty;
import io.swagger.models.properties.FileProperty;
import io.swagger.models.properties.FloatProperty;
import io.swagger.models.properties.IntegerProperty;
import io.swagger.models.properties.LongProperty;
import io.swagger.models.properties.MapProperty;
import io.swagger.models.properties.Property;
import io.swagger.models.properties.RefProperty;
import io.swagger.models.properties.StringProperty;
public class PistacheServerCodegen extends AbstractCppCodegen {
protected String implFolder = "impl";
@Override
public CodegenType getTag() {
return CodegenType.SERVER;
}
@Override
public String getName() {
return "pistache-server";
}
@Override
public String getHelp() {
return "Generates a C++ API server (based on Pistache)";
}
public PistacheServerCodegen() {
super();
apiPackage = "io.swagger.server.api";
modelPackage = "io.swagger.server.model";
modelTemplateFiles.put("model-header.mustache", ".h");
modelTemplateFiles.put("model-source.mustache", ".cpp");
apiTemplateFiles.put("api-header.mustache", ".h");
apiTemplateFiles.put("api-source.mustache", ".cpp");
apiTemplateFiles.put("api-impl-header.mustache", ".h");
apiTemplateFiles.put("api-impl-source.mustache", ".cpp");
apiTemplateFiles.put("main-api-server.mustache", ".cpp");
embeddedTemplateDir = templateDir = "pistache-server";
cliOptions.clear();
reservedWords = new HashSet<>();
supportingFiles.add(new SupportingFile("modelbase-header.mustache", "model", "ModelBase.h"));
supportingFiles.add(new SupportingFile("modelbase-source.mustache", "model", "ModelBase.cpp"));
supportingFiles.add(new SupportingFile("cmake.mustache", "", "CMakeLists.txt"));
supportingFiles.add(new SupportingFile("README.mustache", "", "README.md"));
languageSpecificPrimitives = new HashSet(
Arrays.asList("int", "char", "bool", "long", "float", "double", "int32_t", "int64_t"));
typeMapping = new HashMap();
typeMapping.put("date", "std::string");
typeMapping.put("DateTime", "std::string");
typeMapping.put("string", "std::string");
typeMapping.put("integer", "int32_t");
typeMapping.put("long", "int64_t");
typeMapping.put("boolean", "bool");
typeMapping.put("array", "std::vector");
typeMapping.put("map", "std::map");
typeMapping.put("file", "std::string");
typeMapping.put("object", "Object");
typeMapping.put("binary", "std::string");
typeMapping.put("number", "double");
typeMapping.put("UUID", "std::string");
super.importMapping = new HashMap();
importMapping.put("std::vector", "#include ");
importMapping.put("std::map", "#include ");
importMapping.put("std::string", "#include ");
importMapping.put("Object", "#include \"Object.h\"");
}
@Override
public void processOpts() {
super.processOpts();
additionalProperties.put("modelNamespaceDeclarations", modelPackage.split("\\."));
additionalProperties.put("modelNamespace", modelPackage.replaceAll("\\.", "::"));
additionalProperties.put("apiNamespaceDeclarations", apiPackage.split("\\."));
additionalProperties.put("apiNamespace", apiPackage.replaceAll("\\.", "::"));
}
/**
* Escapes a reserved word as defined in the `reservedWords` array. Handle
* escaping those terms here. This logic is only called if a variable
* matches the reserved words
*
* @return the escaped term
*/
@Override
public String escapeReservedWord(String name) {
return "_" + name; // add an underscore to the name
}
@Override
public String toModelImport(String name) {
if (importMapping.containsKey(name)) {
return importMapping.get(name);
} else {
return "#include \"" + name + ".h\"";
}
}
@Override
public CodegenModel fromModel(String name, Model model, Map allDefinitions) {
CodegenModel codegenModel = super.fromModel(name, model, allDefinitions);
Set oldImports = codegenModel.imports;
codegenModel.imports = new HashSet<>();
for (String imp : oldImports) {
String newImp = toModelImport(imp);
if (!newImp.isEmpty()) {
codegenModel.imports.add(newImp);
}
}
return codegenModel;
}
@Override
public CodegenOperation fromOperation(String path, String httpMethod, Operation operation,
Map definitions, Swagger swagger) {
CodegenOperation op = super.fromOperation(path, httpMethod, operation, definitions, swagger);
if (operation.getResponses() != null && !operation.getResponses().isEmpty()) {
Response methodResponse = findMethodResponse(operation.getResponses());
if (methodResponse != null) {
if (methodResponse.getSchema() != null) {
CodegenProperty cm = fromProperty("response", methodResponse.getSchema());
op.vendorExtensions.put("x-codegen-response", cm);
if(cm.datatype == "HttpContent") {
op.vendorExtensions.put("x-codegen-response-ishttpcontent", true);
}
}
}
}
String pathForPistache = path.replaceAll("\\{(.*?)}", ":$1");
op.vendorExtensions.put("x-codegen-pistache-path", pathForPistache);
return op;
}
@SuppressWarnings("unchecked")
@Override
public Map postProcessOperations(Map objs) {
Map operations = (Map) objs.get("operations");
String classname = (String) operations.get("classname");
operations.put("classnameSnakeUpperCase", DefaultCodegen.underscore(classname).toUpperCase());
operations.put("classnameSnakeLowerCase", DefaultCodegen.underscore(classname).toLowerCase());
List operationList = (List) operations.get("operation");
for (CodegenOperation op : operationList) {
boolean consumeJson = false;
boolean isParsingSupported = true;
if (op.bodyParam != null) {
if (op.bodyParam.vendorExtensions == null) {
op.bodyParam.vendorExtensions = new HashMap<>();
}
op.bodyParam.vendorExtensions.put("x-codegen-pistache-isStringOrDate", op.bodyParam.isString || op.bodyParam.isDate);
}
if(op.consumes != null) {
for (Map consume : op.consumes) {
if (consume.get("mediaType") != null && consume.get("mediaType").equals("application/json")) {
consumeJson = true;
}
}
}
op.httpMethod = op.httpMethod.substring(0, 1).toUpperCase() + op.httpMethod.substring(1).toLowerCase();
for(CodegenParameter param : op.allParams){
if (param.isFormParam) isParsingSupported=false;
if (param.isFile) isParsingSupported=false;
if (param.isCookieParam) isParsingSupported=false;
//TODO: This changes the info about the real type but it is needed to parse the header params
if (param.isHeaderParam) {
param.dataType = "Optional";
param.baseType = "Optional";
} else if(param.isQueryParam){
if(param.isPrimitiveType) {
param.dataType = "Optional<" + param.dataType + ">";
} else {
param.dataType = "Optional<" + param.baseType + ">";
param.baseType = "Optional<" + param.baseType + ">";
}
}
}
if (op.vendorExtensions == null) {
op.vendorExtensions = new HashMap<>();
}
op.vendorExtensions.put("x-codegen-pistache-consumesJson", consumeJson);
op.vendorExtensions.put("x-codegen-pistache-isParsingSupported", isParsingSupported);
}
return objs;
}
@Override
public String toModelFilename(String name) {
return initialCaps(name);
}
@Override
public String apiFilename(String templateName, String tag) {
String result = super.apiFilename(templateName, tag);
if ( templateName.endsWith("impl-header.mustache") ) {
int ix = result.lastIndexOf('/');
result = result.substring(0, ix) + result.substring(ix, result.length() - 2) + "Impl.h";
result = result.replace(apiFileFolder(), implFileFolder());
} else if ( templateName.endsWith("impl-source.mustache") ) {
int ix = result.lastIndexOf('/');
result = result.substring(0, ix) + result.substring(ix, result.length() - 4) + "Impl.cpp";
result = result.replace(apiFileFolder(), implFileFolder());
} else if ( templateName.endsWith("api-server.mustache") ) {
int ix = result.lastIndexOf('/');
result = result.substring(0, ix) + result.substring(ix, result.length() - 4) + "MainServer.cpp";
result = result.replace(apiFileFolder(), outputFolder);
}
return result;
}
@Override
public String toApiFilename(String name) {
return initialCaps(name) + "Api";
}
/**
* Optional - type declaration. This is a String which is used by the
* templates to instantiate your types. There is typically special handling
* for different property types
*
* @return a string value used as the `dataType` field for model templates,
* `returnType` for api templates
*/
@Override
public String getTypeDeclaration(Property p) {
String swaggerType = getSwaggerType(p);
if (p instanceof ArrayProperty) {
ArrayProperty ap = (ArrayProperty) p;
Property inner = ap.getItems();
return getSwaggerType(p) + "<" + getTypeDeclaration(inner) + ">";
}
if (p instanceof MapProperty) {
MapProperty mp = (MapProperty) p;
Property inner = mp.getAdditionalProperties();
return getSwaggerType(p) + "";
}
if (p instanceof StringProperty || p instanceof DateProperty
|| p instanceof DateTimeProperty || p instanceof FileProperty
|| languageSpecificPrimitives.contains(swaggerType)) {
return toModelName(swaggerType);
}
return "std::shared_ptr<" + swaggerType + ">";
}
@Override
public String toDefaultValue(Property p) {
if (p instanceof StringProperty) {
return "\"\"";
} else if (p instanceof BooleanProperty) {
return "false";
} else if (p instanceof DateProperty) {
return "\"\"";
} else if (p instanceof DateTimeProperty) {
return "\"\"";
} else if (p instanceof DoubleProperty) {
return "0.0";
} else if (p instanceof FloatProperty) {
return "0.0f";
} else if (p instanceof LongProperty) {
return "0L";
} else if (p instanceof IntegerProperty || p instanceof BaseIntegerProperty) {
return "0";
} else if (p instanceof DecimalProperty) {
return "0.0";
} else if (p instanceof MapProperty) {
MapProperty ap = (MapProperty) p;
String inner = getSwaggerType(ap.getAdditionalProperties());
return "std::map()";
} else if (p instanceof ArrayProperty) {
ArrayProperty ap = (ArrayProperty) p;
String inner = getSwaggerType(ap.getItems());
if (!languageSpecificPrimitives.contains(inner)) {
inner = "std::shared_ptr<" + inner + ">";
}
return "std::vector<" + inner + ">()";
} else if (p instanceof RefProperty) {
RefProperty rp = (RefProperty) p;
return "new " + toModelName(rp.getSimpleRef()) + "()";
}
return "nullptr";
}
@Override
public void postProcessParameter(CodegenParameter parameter) {
super.postProcessParameter(parameter);
boolean isPrimitiveType = parameter.isPrimitiveType == Boolean.TRUE;
boolean isListContainer = parameter.isListContainer == Boolean.TRUE;
boolean isString = parameter.isString == Boolean.TRUE;
if (!isPrimitiveType && !isListContainer && !isString && !parameter.dataType.startsWith("std::shared_ptr")) {
parameter.dataType = "std::shared_ptr<" + parameter.dataType + ">";
}
}
/**
* Location to write model files. You can use the modelPackage() as defined
* when the class is instantiated
*/
public String modelFileFolder() {
return (outputFolder + "/model").replace("/", File.separator);
}
/**
* Location to write api files. You can use the apiPackage() as defined when
* the class is instantiated
*/
@Override
public String apiFileFolder() {
return (outputFolder + "/api").replace("/", File.separator);
}
private String implFileFolder() {
return (outputFolder + "/" + implFolder).replace("/", File.separator);
}
/**
* Optional - swagger type conversion. This is used to map swagger types in
* a `Property` into either language specific types via `typeMapping` or
* into complex models if there is not a mapping.
*
* @return a string value of the type or complex model for this property
* @see io.swagger.models.properties.Property
*/
@Override
public String getSwaggerType(Property p) {
String swaggerType = super.getSwaggerType(p);
String type = null;
if (typeMapping.containsKey(swaggerType)) {
type = typeMapping.get(swaggerType);
if (languageSpecificPrimitives.contains(type))
return toModelName(type);
} else
type = swaggerType;
return toModelName(type);
}
@Override
public String toModelName(String type) {
if (typeMapping.keySet().contains(type) || typeMapping.values().contains(type)
|| importMapping.values().contains(type) || defaultIncludes.contains(type)
|| languageSpecificPrimitives.contains(type)) {
return type;
} else {
return Character.toUpperCase(type.charAt(0)) + type.substring(1);
}
}
@Override
public String toApiName(String type) {
return Character.toUpperCase(type.charAt(0)) + type.substring(1) + "Api";
}
@Override
public String escapeQuotationMark(String input) {
// remove " to avoid code injection
return input.replace("\"", "");
}
@Override
public String escapeUnsafeCharacters(String input) {
return input.replace("*/", "*_/").replace("/*", "/_*");
}
}
