forked from loafle/openapi-generator-original
Add swift code generator
This commit is contained in:
kubo_takaichi
@@ -0,0 +1,249 @@
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package com.wordnik.swagger.codegen.languages;
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import com.google.common.base.Predicate;
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import com.google.common.collect.Iterators;
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import com.google.common.collect.Lists;
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import com.wordnik.swagger.codegen.*;
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import com.wordnik.swagger.models.Model;
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import com.wordnik.swagger.models.Operation;
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import com.wordnik.swagger.models.parameters.HeaderParameter;
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import com.wordnik.swagger.models.parameters.Parameter;
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import com.wordnik.swagger.models.properties.*;
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import org.apache.commons.lang.StringUtils;
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import javax.annotation.Nullable;
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import java.util.*;
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import java.io.File;
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import java.util.regex.Matcher;
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import java.util.regex.Pattern;
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public class SwiftGenerator extends DefaultCodegen implements CodegenConfig {
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private static final Pattern PATH_PARAM_PATTERN = Pattern.compile("\\{[a-zA-Z_]+\\}");
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protected String sourceFolder = "Classes/Swaggers";
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public CodegenType getTag() {
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return CodegenType.CLIENT;
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}
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public String getName() {
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return "swift";
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}
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public String getHelp() {
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return "Generates a swift client library.";
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}
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public SwiftGenerator() {
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super();
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outputFolder = "generated-code/swift";
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modelTemplateFiles.put("model.mustache", ".swift");
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apiTemplateFiles.put("api.mustache", ".swift");
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templateDir = "swift";
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apiPackage = "/APIs";
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modelPackage = "/Models";
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// Inject application name
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String appName = System.getProperty("appName");
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if (appName == null) {
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appName = "SwaggerClient";
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}
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additionalProperties.put("projectName", appName);
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// Inject base url override
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String basePathOverride = System.getProperty("basePathOverride");
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if (basePathOverride != null) {
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additionalProperties.put("basePathOverride", basePathOverride);
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}
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sourceFolder = appName + "/" + sourceFolder;
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supportingFiles.add(new SupportingFile("Cartfile.mustache", appName, "Cartfile"));
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supportingFiles.add(new SupportingFile("APIHelper.mustache", sourceFolder, "APIHelper.swift"));
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supportingFiles.add(new SupportingFile("AlamofireImplementations.mustache", sourceFolder, "AlamofireImplementations.swift"));
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supportingFiles.add(new SupportingFile("Extensions.mustache", sourceFolder, "Extensions.swift"));
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supportingFiles.add(new SupportingFile("Models.mustache", sourceFolder, "Models.swift"));
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supportingFiles.add(new SupportingFile("APIs.mustache", sourceFolder, "APIs.swift"));
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languageSpecificPrimitives = new HashSet<String>(
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Arrays.asList(
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"Int",
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"Float",
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"Double",
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"Bool",
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"Void",
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"String",
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"Character")
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);
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defaultIncludes = new HashSet<String>(
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Arrays.asList(
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"NSDate",
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"Array",
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"Dictionary",
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"Set",
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"Any",
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"Empty",
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"AnyObject")
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);
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reservedWords = new HashSet<String>(
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Arrays.asList(
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"class", "break", "as", "associativity", "deinit", "case", "dynamicType", "convenience", "enum", "continue",
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"false", "dynamic", "extension", "default", "is", "didSet", "func", "do", "nil", "final", "import", "else",
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"self", "get", "init", "fallthrough", "Self", "infix", "internal", "for", "super", "inout", "let", "if",
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"true", "lazy", "operator", "in", "COLUMN", "left", "private", "return", "FILE", "mutating", "protocol",
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"switch", "FUNCTION", "none", "public", "where", "LINE", "nonmutating", "static", "while", "optional",
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"struct", "override", "subscript", "postfix", "typealias", "precedence", "var", "prefix", "Protocol",
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"required", "right", "set", "Type", "unowned", "weak")
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);
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typeMapping = new HashMap<String, String>();
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typeMapping.put("array", "Array");
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typeMapping.put("List", "Array");
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typeMapping.put("map", "Dictionary");
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typeMapping.put("Date", "NSDate");
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typeMapping.put("DateTime", "NSDate");
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typeMapping.put("boolean", "Bool");
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typeMapping.put("string", "String");
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typeMapping.put("char", "Character");
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typeMapping.put("short", "Int");
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typeMapping.put("int", "Int");
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typeMapping.put("long", "Int");
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typeMapping.put("integer", "Int");
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typeMapping.put("Integer", "Int");
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typeMapping.put("float", "Float");
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typeMapping.put("number", "Double");
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typeMapping.put("double", "Double");
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typeMapping.put("object", "AnyObject");
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typeMapping.put("file", "NSData");
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importMapping = new HashMap<String, String>();
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}
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@Override
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public String escapeReservedWord(String name) {
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return "_" + name; // add an underscore to the name
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}
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@Override
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public String modelFileFolder() {
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return outputFolder + "/" + sourceFolder + modelPackage().replace('.', File.separatorChar);
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}
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@Override
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public String apiFileFolder() {
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return outputFolder + "/" + sourceFolder + apiPackage().replace('.', File.separatorChar);
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}
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@Override
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public String getTypeDeclaration(Property p) {
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if (p instanceof ArrayProperty) {
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ArrayProperty ap = (ArrayProperty) p;
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Property inner = ap.getItems();
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return "[" + getTypeDeclaration(inner) + "]";
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} else if (p instanceof MapProperty) {
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MapProperty mp = (MapProperty) p;
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Property inner = mp.getAdditionalProperties();
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return "[String:" + getTypeDeclaration(inner) + "]";
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}
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return super.getTypeDeclaration(p);
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}
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@Override
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public String getSwaggerType(Property p) {
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String swaggerType = super.getSwaggerType(p);
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String type = null;
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if (typeMapping.containsKey(swaggerType)) {
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type = typeMapping.get(swaggerType);
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if (languageSpecificPrimitives.contains(type))
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return toModelName(type);
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} else
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type = swaggerType;
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return toModelName(type);
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}
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@Override
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public String toDefaultValue(Property p) {
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// nil
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return null;
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}
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@Override
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public String toInstantiationType(Property p) {
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if (p instanceof MapProperty) {
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MapProperty ap = (MapProperty) p;
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String inner = getSwaggerType(ap.getAdditionalProperties());
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return "[String:" + inner + "]";
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} else if (p instanceof ArrayProperty) {
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ArrayProperty ap = (ArrayProperty) p;
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String inner = getSwaggerType(ap.getItems());
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return "[" + inner + "]";
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}
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return null;
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}
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@Override
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public CodegenProperty fromProperty(String name, Property p) {
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CodegenProperty codegenProperty = super.fromProperty(name, p);
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if (codegenProperty.isEnum) {
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List<Map<String, String>> swiftEnums = new ArrayList<Map<String, String>>();
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List<String> values = (List<String>) codegenProperty.allowableValues.get("values");
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for (String value : values) {
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Map<String, String> map = new HashMap<String, String>();
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map.put("enum", StringUtils.capitalize(value));
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map.put("raw", value);
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swiftEnums.add(map);
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}
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codegenProperty.allowableValues.put("values", swiftEnums);
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codegenProperty.datatypeWithEnum =
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StringUtils.left(codegenProperty.datatypeWithEnum, codegenProperty.datatypeWithEnum.length() - "Enum".length());
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}
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return codegenProperty;
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}
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@Override
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public String toApiName(String name) {
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if(name.length() == 0)
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return "DefaultAPI";
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return initialCaps(name) + "API";
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}
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@Override
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public CodegenOperation fromOperation(String path, String httpMethod, Operation operation, Map<String, Model> definitions) {
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path = normalizePath(path);
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List<Parameter> parameters = operation.getParameters();
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parameters = Lists.newArrayList(Iterators.filter(parameters.iterator(), new Predicate<Parameter>() {
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@Override
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public boolean apply(@Nullable Parameter parameter) {
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return !(parameter instanceof HeaderParameter);
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}
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}));
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operation.setParameters(parameters);
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return super.fromOperation(path, httpMethod, operation, definitions);
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}
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private static String normalizePath(String path) {
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StringBuilder builder = new StringBuilder();
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int cursor = 0;
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Matcher matcher = PATH_PARAM_PATTERN.matcher(path);
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boolean found = matcher.find();
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while (found) {
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String stringBeforeMatch = path.substring(cursor, matcher.start());
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builder.append(stringBeforeMatch);
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String group = matcher.group().substring(1, matcher.group().length() - 1);
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group = camelize(group, true);
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builder
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.append("{")
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.append(group)
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.append("}");
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cursor = matcher.end();
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found = matcher.find();
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}
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String stringAfterMatch = path.substring(cursor);
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builder.append(stringAfterMatch);
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return builder.toString();
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}
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}
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