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• OCamlClientCodegen.java

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org.openapitools.codegen.languages.OCamlClientCodegen Maven / Gradle / Ivy

/*
 * Copyright 2018 OpenAPI-Generator Contributors (https://openapi-generator.tech)
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     https://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.openapitools.codegen.languages;

import io.swagger.v3.oas.models.*;
import io.swagger.v3.oas.models.headers.Header;
import io.swagger.v3.oas.models.media.*;
import io.swagger.v3.oas.models.parameters.Parameter;
import io.swagger.v3.oas.models.responses.ApiResponse;
import org.apache.commons.io.FilenameUtils;
import org.apache.commons.lang3.StringUtils;
import org.openapitools.codegen.*;
import org.openapitools.codegen.meta.features.*;
import org.openapitools.codegen.utils.ModelUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import java.io.File;
import java.io.IOException;
import java.util.*;
import java.util.stream.Collectors;

import static org.apache.commons.lang3.StringUtils.capitalize;
import static org.openapitools.codegen.utils.StringUtils.escape;
import static org.openapitools.codegen.utils.StringUtils.underscore;

public class OCamlClientCodegen extends DefaultCodegen implements CodegenConfig {
    private final Logger LOGGER = LoggerFactory.getLogger(OCamlClientCodegen.class);
    public static final String PACKAGE_NAME = "packageName";
    public static final String PACKAGE_VERSION = "packageVersion";

    static final String X_MODEL_MODULE = "x-model-module";

    public static final String CO_HTTP = "cohttp";

    protected String packageName = "openapi";
    protected String packageVersion = "1.0.0";
    protected String apiDocPath = "docs/";
    protected String modelDocPath = "docs/";
    protected String apiFolder = "src/apis";
    protected String modelFolder = "src/models";

    private Map> enumNames = new HashMap<>();
    private Map enumHash = new HashMap<>();
    private Map enumUniqNames;

    public CodegenType getTag() {
        return CodegenType.CLIENT;
    }

    public String getName() {
        return "ocaml";
    }

    public String getHelp() {
        return "Generates an OCaml client library (beta).";
    }

    public OCamlClientCodegen() {
        super();

        modifyFeatureSet(features -> features
                .includeDocumentationFeatures(DocumentationFeature.Readme)
                .wireFormatFeatures(EnumSet.of(WireFormatFeature.JSON))
                .securityFeatures(EnumSet.of(
                        SecurityFeature.ApiKey
                ))
                .excludeGlobalFeatures(
                        GlobalFeature.XMLStructureDefinitions,
                        GlobalFeature.Callbacks,
                        GlobalFeature.LinkObjects,
                        GlobalFeature.ParameterStyling
                )
                .excludeSchemaSupportFeatures(
                        SchemaSupportFeature.Polymorphism
                )
                .includeClientModificationFeatures(
                        ClientModificationFeature.BasePath
                )
        );


        outputFolder = "generated-code/ocaml";
        modelTemplateFiles.put("model.mustache", ".ml");

        // default HIDE_GENERATION_TIMESTAMP to true
        hideGenerationTimestamp = Boolean.TRUE;

        embeddedTemplateDir = templateDir = "ocaml";

        setReservedWordsLowerCase(
                Arrays.asList(
                        "and", "as", "assert", "asr", "begin", "class",
                        "constraint", "do", "done", "downto", "else", "end",
                        "exception", "external", "false", "for ", "fun", "function",
                        "functor", "if", "in", "include", "inherit", "initializer",
                        "land", "lazy", "let", "lor", "lsl", "lsr",
                        "lxor", "match", "method", "mod", "module", "mutable",
                        "new", "nonrec", "object", "of", "open", "or",
                        "private", "rec", "sig", "struct", "then", "to",
                        "true", "try", "type", "val", "virtual", "when",
                        "while", "with",

                        "result"
                )
        );

        importMapping.remove("File");

        supportingFiles.add(new SupportingFile("dune.mustache", "", "dune"));
        supportingFiles.add(new SupportingFile("dune-project.mustache", "", "dune-project"));
        supportingFiles.add(new SupportingFile("readme.mustache", "", "README.md"));

        defaultIncludes = new HashSet<>(
                Arrays.asList(
                        "int",
                        "int32",
                        "int64",
                        "float",
                        "bool",
                        "char",
                        "string",
                        "list"
                )
        );

        languageSpecificPrimitives = new HashSet<>(
                Arrays.asList(
                        "int",
                        "int32",
                        "int64",
                        "float",
                        "bool",
                        "char",
                        "string",
                        "bytes",
                        "list",
                        "Yojson.Safe.t"
                )
        );

        instantiationTypes.clear();

        typeMapping.clear();
        typeMapping.put("boolean", "bool");
        typeMapping.put("int", "int32");
        typeMapping.put("long", "int64");
        typeMapping.put("short", "int");
        typeMapping.put("char", "char");
        typeMapping.put("float", "float");
        typeMapping.put("double", "float");
        typeMapping.put("integer", "int32");
        typeMapping.put("number", "float");
        typeMapping.put("date", "string");
        typeMapping.put("object", "Yojson.Safe.t");
        typeMapping.put("any", "Yojson.Safe.t");
        typeMapping.put("file", "string");
        typeMapping.put("ByteArray", "string");
        // lib
        typeMapping.put("string", "string");
        typeMapping.put("UUID", "string");
        typeMapping.put("URI", "string");
        typeMapping.put("set", "`Set");
        typeMapping.put("password", "string");
        typeMapping.put("DateTime", "string");

//        supportedLibraries.put(CO_HTTP, "HTTP client: CoHttp.");
//
//        CliOption libraryOption = new CliOption(CodegenConstants.LIBRARY, "library template (sub-template) to use.");
//        libraryOption.setEnum(supportedLibraries);
//        // set hyper as the default
//        libraryOption.setDefault(CO_HTTP);
//        cliOptions.add(libraryOption);
//        setLibrary(CO_HTTP);
    }

    @Override
    public Map postProcessAllModels(Map superobjs) {
        List toRemove = new ArrayList<>();

        for (Map.Entry modelEntry : superobjs.entrySet()) {
            Map objs = (Map) modelEntry.getValue();
            // process enum in models
            List