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Posted to commits@thrift.apache.org by je...@apache.org on 2015/10/09 22:06:02 UTC
[5/7] thrift git commit: THRIFT-2905 Cocoa compiler should have
option to produce "modern" Objective-C Client: Cocoa (ObjectiveC & Swift)
Author: Kevin Wooten
http://git-wip-us.apache.org/repos/asf/thrift/blob/56e5b9b0/compiler/cpp/src/generate/t_swift_generator.cc
----------------------------------------------------------------------
diff --git a/compiler/cpp/src/generate/t_swift_generator.cc b/compiler/cpp/src/generate/t_swift_generator.cc
new file mode 100644
index 0000000..80f1c07
--- /dev/null
+++ b/compiler/cpp/src/generate/t_swift_generator.cc
@@ -0,0 +1,2145 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you 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
+ *
+ * http://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.
+ */
+
+#include <string>
+#include <fstream>
+#include <iostream>
+#include <vector>
+
+#include <stdlib.h>
+#include <sys/stat.h>
+#include <sstream>
+#include "t_oop_generator.h"
+#include "platform.h"
+
+using std::map;
+using std::ostream;
+using std::ofstream;
+using std::ostringstream;
+using std::string;
+using std::stringstream;
+using std::vector;
+
+static const string endl = "\n"; // avoid ostream << std::endl flushes
+
+/**
+ * Swift code generator.
+ *
+ * Designed from the Objective-C (aka Cocoa) generator.
+ */
+class t_swift_generator : public t_oop_generator {
+public:
+ t_swift_generator(t_program* program,
+ const map<string, string>& parsed_options,
+ const string& option_string)
+ : t_oop_generator(program) {
+ (void)option_string;
+ map<string, string>::const_iterator iter;
+
+ iter = parsed_options.find("log_unexpected");
+ log_unexpected_ = (iter != parsed_options.end());
+
+ iter = parsed_options.find("async_clients");
+ async_clients_ = (iter != parsed_options.end());
+
+ iter = parsed_options.find("promise_kit");
+ promise_kit_ = (iter != parsed_options.end());
+
+ iter = parsed_options.find("debug_descriptions");
+ debug_descriptions_ = (iter != parsed_options.end());
+
+ out_dir_base_ = "gen-swift";
+ }
+
+ /**
+ * Init and close methods
+ */
+
+ void init_generator();
+ void close_generator();
+
+ void generate_consts(vector<t_const*> consts);
+
+ /**
+ * Program-level generation functions
+ */
+
+ void generate_typedef(t_typedef* ttypedef);
+ void generate_enum(t_enum* tenum);
+ void generate_struct(t_struct* tstruct);
+ void generate_xception(t_struct* txception);
+ void generate_service(t_service* tservice);
+
+ void print_const_value(ostream& out,
+ string name,
+ t_type* type,
+ t_const_value* value,
+ bool defval = false,
+ bool is_property = false);
+ void render_const_value(ostream& out,
+ t_type* type,
+ t_const_value* value);
+
+ void generate_swift_struct(ofstream& out,
+ t_struct* tstruct,
+ bool is_private);
+ void generate_swift_struct_init(ofstream& out,
+ t_struct* tstruct,
+ bool all,
+ bool is_private);
+
+ void generate_swift_struct_implementation(ofstream& out,
+ t_struct* tstruct,
+ bool is_result,
+ bool is_private);
+ void generate_swift_struct_hashable_extension(ofstream& out,
+ t_struct* tstruct,
+ bool is_private);
+ void generate_swift_struct_equatable_extension(ofstream& out,
+ t_struct* tstruct,
+ bool is_private);
+ void generate_swift_struct_thrift_extension(ofstream& out,
+ t_struct* tstruct,
+ bool is_result,
+ bool is_private);
+ void generate_swift_struct_reader(ofstream& out, t_struct* tstruct, bool is_private);
+ void generate_swift_struct_writer(ofstream& out,t_struct* tstruct, bool is_private);
+ void generate_swift_struct_result_writer(ofstream& out, t_struct* tstruct);
+ void generate_swift_struct_printable_extension(ofstream& out, t_struct* tstruct);
+
+ string function_result_helper_struct_type(t_service *tservice, t_function* tfunction);
+ string function_args_helper_struct_type(t_service* tservice, t_function* tfunction);
+ void generate_function_helpers(t_service *tservice, t_function* tfunction);
+
+ /**
+ * Service-level generation functions
+ */
+
+ void generate_swift_service_protocol(ofstream& out, t_service* tservice);
+ void generate_swift_service_protocol_async(ofstream& out, t_service* tservice);
+
+ void generate_swift_service_client(ofstream& out, t_service* tservice);
+ void generate_swift_service_client_async(ofstream& out, t_service* tservice);
+
+ void generate_swift_service_client_send_function_implementation(ofstream& out,
+ t_service* tservice,
+ t_function* tfunction,
+ bool needs_protocol);
+ void generate_swift_service_client_send_function_invocation(ofstream& out, t_function* tfunction);
+ void generate_swift_service_client_send_async_function_invocation(ofstream& out,
+ t_function* tfunction);
+ void generate_swift_service_client_recv_function_implementation(ofstream& out,
+ t_service* tservice,
+ t_function* tfunction,
+ bool needs_protocol);
+ void generate_swift_service_client_implementation(ofstream& out, t_service* tservice);
+ void generate_swift_service_client_async_implementation(ofstream& out, t_service* tservice);
+
+ void generate_swift_service_server(ofstream& out, t_service* tservice);
+ void generate_swift_service_server_implementation(ofstream& out, t_service* tservice);
+ void generate_swift_service_helpers(t_service* tservice);
+
+ /**
+ * Helper rendering functions
+ */
+
+ string swift_imports();
+ string swift_thrift_imports();
+ string type_name(t_type* ttype, bool is_optional=false, bool is_forced=false);
+ string base_type_name(t_base_type* tbase);
+ string declare_property(t_field* tfield, bool is_private);
+ string function_signature(t_function* tfunction);
+ string async_function_signature(t_function* tfunction);
+ string promise_function_signature(t_function* tfunction);
+ string function_name(t_function* tfunction);
+ string argument_list(t_struct* tstruct, string protocol_name, bool is_internal);
+ string type_to_enum(t_type* ttype, bool qualified=false);
+
+private:
+
+ void block_open(ostream& out) {
+ out << " {" << endl;
+ indent_up();
+ }
+
+ void block_close(ostream& out, bool end_line=true) {
+ indent_down();
+ indent(out) << "}";
+ if (end_line) out << endl;
+ }
+
+
+ bool field_is_optional(t_field* tfield) {
+ return tfield->get_req() == t_field::T_OPTIONAL;
+ }
+
+ bool struct_has_required_fields(t_struct* tstruct) {
+ const vector<t_field*>& members = tstruct->get_members();
+ vector<t_field*>::const_iterator m_iter;
+ for (m_iter = members.begin(); m_iter != members.end(); ++m_iter) {
+ if (!field_is_optional(*m_iter)) {
+ return true;
+ }
+ }
+ return false;
+ }
+
+ bool struct_has_optional_fields(t_struct* tstruct) {
+ const vector<t_field*>& members = tstruct->get_members();
+ vector<t_field*>::const_iterator m_iter;
+ for (m_iter = members.begin(); m_iter != members.end(); ++m_iter) {
+ if (field_is_optional(*m_iter)) {
+ return true;
+ }
+ }
+ return false;
+ }
+
+ string constants_declarations_;
+
+ /**
+ * File streams
+ */
+
+ ofstream f_decl_;
+ ofstream f_impl_;
+
+ bool log_unexpected_;
+ bool async_clients_;
+ bool promise_kit_;
+ bool debug_descriptions_;
+};
+
+/**
+ * Prepares for file generation by opening up the necessary file output
+ * streams.
+ */
+void t_swift_generator::init_generator() {
+ // Make output directory
+ MKDIR(get_out_dir().c_str());
+
+ // we have a .swift declarations file...
+ string f_decl_name = capitalize(program_name_) + ".swift";
+ string f_decl_fullname = get_out_dir() + f_decl_name;
+ f_decl_.open(f_decl_fullname.c_str());
+
+ f_decl_ << autogen_comment() << endl;
+
+ f_decl_ << swift_imports() << swift_thrift_imports() << endl;
+
+ // ...and a .swift implementation extensions file
+ string f_impl_name = capitalize(program_name_) + "+Exts.swift";
+ string f_impl_fullname = get_out_dir() + f_impl_name;
+ f_impl_.open(f_impl_fullname.c_str());
+
+ f_impl_ << autogen_comment() << endl;
+
+ f_impl_ << swift_imports() << swift_thrift_imports() << endl;
+
+}
+
+/**
+ * Prints standard Cocoa imports
+ *
+ * @return List of imports for Cocoa libraries
+ */
+string t_swift_generator::swift_imports() {
+
+ vector<string> includes_list;
+ includes_list.push_back("Foundation");
+
+ ostringstream includes;
+
+ vector<string>::const_iterator i_iter;
+ for (i_iter=includes_list.begin(); i_iter!=includes_list.end(); ++i_iter) {
+ includes << "import " << *i_iter << endl;
+ }
+
+ includes << endl;
+
+ return includes.str();
+}
+
+/**
+ * Prints Thrift runtime imports
+ *
+ * @return List of imports necessary for Thrift runtime
+ */
+string t_swift_generator::swift_thrift_imports() {
+
+ vector<string> includes_list;
+ includes_list.push_back("Thrift");
+
+ if (promise_kit_) {
+ includes_list.push_back("PromiseKit");
+ }
+
+ ostringstream includes;
+
+ vector<string>::const_iterator i_iter;
+ for (i_iter=includes_list.begin(); i_iter!=includes_list.end(); ++i_iter) {
+ includes << "import " << *i_iter << endl;
+ }
+
+ includes << endl;
+
+ return includes.str();
+}
+
+/**
+ * Finish up generation.
+ */
+void t_swift_generator::close_generator() {
+ // stick our constants declarations at the end of the header file
+ // since they refer to things we are defining.
+ f_decl_ << constants_declarations_ << endl;
+}
+
+/**
+ * Generates a typedef. This is just a simple 1-liner in Swift
+ *
+ * @param ttypedef The type definition
+ */
+void t_swift_generator::generate_typedef(t_typedef* ttypedef) {
+ f_decl_ << indent() << "public typealias " << ttypedef->get_symbolic()
+ << " = " << type_name(ttypedef->get_type()) << endl;
+ f_decl_ << endl;
+}
+
+/**
+ * Generates code for an enumerated type. In Swift, this is
+ * essentially the same as the thrift definition itself, using
+ * Swift syntax.
+ *
+ * @param tenum The enumeration
+ */
+void t_swift_generator::generate_enum(t_enum* tenum) {
+ f_decl_ << indent() << "public enum " << tenum->get_name() << " : Int32";
+ block_open(f_decl_);
+
+ vector<t_enum_value*> constants = tenum->get_constants();
+ vector<t_enum_value*>::iterator c_iter;
+
+ for (c_iter = constants.begin(); c_iter != constants.end(); ++c_iter) {
+ f_decl_ << indent() << "case " << (*c_iter)->get_name()
+ << " = " << (*c_iter)->get_value() << endl;
+ }
+
+ f_decl_ << endl;
+ f_decl_ << indent() << "public init() { self.init(rawValue: " << constants.front()->get_value() << ")! }" << endl;
+
+ block_close(f_decl_);
+ f_decl_ << endl;
+
+ f_impl_ << indent() << "extension " << tenum->get_name() << " : TEnum";
+ block_open(f_impl_);
+
+ f_impl_ << endl;
+
+ f_impl_ << indent() << "public static func readValueFromProtocol(proto: TProtocol) throws -> " << tenum->get_name();
+ block_open(f_impl_);
+ f_impl_ << indent() << "var raw = Int32()" << endl
+ << indent() << "try proto.readI32(&raw)" << endl
+ << indent() << "return " << tenum->get_name() << "(rawValue: raw)!" << endl;
+ block_close(f_impl_);
+ f_impl_ << endl;
+
+ f_impl_ << indent() << "public static func writeValue(value: " << tenum->get_name() << ", toProtocol proto: TProtocol) throws";
+ block_open(f_impl_);
+ f_impl_ << indent() << "try proto.writeI32(value.rawValue)" << endl;
+ block_close(f_impl_);
+ f_impl_ << endl;
+
+ block_close(f_impl_);
+ f_impl_ << endl;
+}
+
+/**
+ * Generates public constants for all Thrift constants.
+ *
+ * @param consts Constants to generate
+ */
+void t_swift_generator::generate_consts(vector<t_const*> consts) {
+
+ ostringstream const_interface;
+
+ // Public constants for base types & strings
+ vector<t_const*>::iterator c_iter;
+ for (c_iter = consts.begin(); c_iter != consts.end(); ++c_iter) {
+ t_type* type = (*c_iter)->get_type();
+ const_interface << "public let " << capitalize((*c_iter)->get_name()) << " : " << type_name(type) << " = ";
+ render_const_value(const_interface, type, (*c_iter)->get_value());
+ const_interface << endl << endl;
+ }
+
+ // this gets spit into the header file in ::close_generator
+ constants_declarations_ = const_interface.str();
+
+}
+
+/**
+ * Generates a struct definition for a thrift data type. This is a struct
+ * with public members. Optional types are used for optional properties to
+ * allow them to be tested for availability. Separate inits are included for
+ * required properties & all properties.
+ *
+ * Generates extensions to provide conformance to TStruct, TSerializable,
+ * Hashable & Equatable
+ *
+ * @param tstruct The struct definition
+ */
+void t_swift_generator::generate_struct(t_struct* tstruct) {
+ generate_swift_struct(f_decl_, tstruct, false);
+ generate_swift_struct_implementation(f_impl_, tstruct, false, false);
+}
+
+/**
+ * Exceptions are structs, but they conform to ErrorType
+ *
+ * @param tstruct The struct definition
+ */
+void t_swift_generator::generate_xception(t_struct* txception) {
+ generate_swift_struct(f_decl_, txception, false);
+ generate_swift_struct_implementation(f_impl_, txception, false, false);
+}
+
+/**
+ * Generate the interface for a struct. Only properties and
+ * init methods are included.
+ *
+ * @param tstruct The struct definition
+ * @param is_private
+ * Is the struct public or private
+ */
+void t_swift_generator::generate_swift_struct(ofstream& out,
+ t_struct* tstruct,
+ bool is_private) {
+
+ string visibility = is_private ? "private" : "public";
+
+ out << indent() << visibility << " struct " << tstruct->get_name();
+
+ if (tstruct->is_xception()) {
+ out << " : ErrorType";
+ }
+
+ block_open(out);
+
+ // properties
+ const vector<t_field*>& members = tstruct->get_members();
+ vector<t_field*>::const_iterator m_iter;
+
+ for (m_iter = members.begin(); m_iter != members.end(); ++m_iter) {
+ out << endl;
+ out << indent() << declare_property(*m_iter, is_private) << endl;
+ }
+
+ out << endl;
+
+ // init
+
+ indent(out) << visibility << " init()";
+ block_open(out);
+ block_close(out);
+
+ out << endl;
+
+ if (struct_has_required_fields(tstruct)) {
+ generate_swift_struct_init(out, tstruct, false, is_private);
+ }
+ if (struct_has_optional_fields(tstruct)) {
+ generate_swift_struct_init(out, tstruct, true, is_private);
+ }
+
+ block_close(out);
+
+ out << endl;
+}
+
+/**
+ * Generate struct init for properties
+ *
+ * @param tstruct The structure definition
+ * @param all Generate init with all or just required properties
+ * @param is_private
+ * Is the initializer public or private
+ */
+void t_swift_generator::generate_swift_struct_init(ofstream& out,
+ t_struct* tstruct,
+ bool all,
+ bool is_private) {
+
+ string visibility = is_private ? "private" : "public";
+
+ indent(out) << visibility << " init(";
+
+ const vector<t_field*>& members = tstruct->get_members();
+ vector<t_field*>::const_iterator m_iter;
+
+ bool first=true;
+ for (m_iter = members.begin(); m_iter != members.end();) {
+ if (all || !field_is_optional(*m_iter)) {
+ if (first) {
+ first = false;
+ }
+ else {
+ out << ", ";
+ }
+ out << (*m_iter)->get_name() << ": " << type_name((*m_iter)->get_type(), field_is_optional(*m_iter));
+ }
+ ++m_iter;
+ }
+ out << ")";
+
+ block_open(out);
+
+ for (m_iter = members.begin(); m_iter != members.end(); ++m_iter) {
+ if (all || (*m_iter)->get_req() == t_field::T_REQUIRED || (*m_iter)->get_req() == t_field::T_OPT_IN_REQ_OUT) {
+ out << indent() << "self." << (*m_iter)->get_name() << " = " << (*m_iter)->get_name() << endl;
+ }
+ }
+
+ block_close(out);
+
+ out << endl;
+}
+
+/**
+ * Generate the hashable protocol implmentation
+ *
+ * @param tstruct The structure definition
+ * @param is_private
+ * Is the struct public or private
+ */
+void t_swift_generator::generate_swift_struct_hashable_extension(ofstream& out,
+ t_struct* tstruct,
+ bool is_private) {
+
+ string visibility = is_private ? "private" : "public";
+
+ indent(out) << "extension " << tstruct->get_name() << " : Hashable";
+
+ block_open(out);
+
+ out << endl;
+
+ indent(out) << visibility << " var hashValue : Int";
+
+ block_open(out);
+
+
+ const vector<t_field*>& members = tstruct->get_members();
+ vector<t_field*>::const_iterator m_iter;
+
+ if (!members.empty()) {
+ indent(out) << "let prime = 31" << endl;
+ indent(out) << "var result = 1" << endl;
+
+ for (m_iter = members.begin(); m_iter != members.end(); ++m_iter) {
+ t_field* tfield = *m_iter;
+ string accessor = field_is_optional(tfield) ? "?." : ".";
+ string defaultor = field_is_optional(tfield) ? " ?? 0" : "";
+ indent(out) << "result = prime * result + (" << tfield->get_name() << accessor << "hashValue" << defaultor << ")" << endl;
+ }
+
+ indent(out) << "return result" << endl;
+ }
+ else {
+ indent(out) << "return 31" << endl;
+ }
+
+ block_close(out);
+
+ out << endl;
+
+ block_close(out);
+
+ out << endl;
+}
+
+/**
+ * Generate the equatable protocol implementation
+ *
+ * @param tstruct The structure definition
+ * @param is_private
+ * Is the struct public or private
+ */
+void t_swift_generator::generate_swift_struct_equatable_extension(ofstream& out,
+ t_struct* tstruct,
+ bool is_private) {
+
+ string visibility = is_private ? "private" : "public";
+
+ indent(out) << visibility << " func ==(lhs: " << type_name(tstruct) << ", rhs: " << type_name(tstruct) << ") -> Bool";
+
+ block_open(out);
+
+ indent(out) << "return";
+
+ const vector<t_field*>& members = tstruct->get_members();
+ vector<t_field*>::const_iterator m_iter;
+
+ if (members.size()) {
+
+ out << endl;
+
+ indent_up();
+
+ for (m_iter = members.begin(); m_iter != members.end();) {
+ t_field* tfield = *m_iter;
+ indent(out) << "(lhs." << tfield->get_name() << " ?== rhs." << tfield->get_name() << ")";
+ if (++m_iter != members.end()) {
+ out << " &&";
+ }
+ out << endl;
+ }
+
+ indent_down();
+
+ }
+ else {
+ out << " true" << endl;
+ }
+
+ block_close(out);
+
+ out << endl;
+}
+
+/**
+ * Generate struct implementation. Produces extensions that
+ * fulfill the requisite protocols to complete the value.
+ *
+ * @param tstruct The struct definition
+ * @param is_result
+ * If this is a result it needs a different writer
+ * @param is_private
+ * Is the struct public or private
+ */
+void t_swift_generator::generate_swift_struct_implementation(ofstream& out,
+ t_struct* tstruct,
+ bool is_result,
+ bool is_private) {
+
+ generate_swift_struct_equatable_extension(out, tstruct, is_private);
+
+ if (!is_private && !is_result) {
+ generate_swift_struct_printable_extension(out, tstruct);
+ }
+
+ generate_swift_struct_hashable_extension(out, tstruct, is_private);
+ generate_swift_struct_thrift_extension(out, tstruct, is_result, is_private);
+
+ out << endl << endl;
+}
+
+/**
+ * Generate the TStruct protocol implementation.
+ *
+ * @param tstruct The structure definition
+ * @param is_result
+ * Is the struct a result value
+ * @param is_private
+ * Is the struct public or private
+ */
+void t_swift_generator::generate_swift_struct_thrift_extension(ofstream& out,
+ t_struct* tstruct,
+ bool is_result,
+ bool is_private) {
+
+ indent(out) << "extension " << tstruct->get_name() << " : TStruct";
+
+ block_open(out);
+
+ out << endl;
+
+ generate_swift_struct_reader(out, tstruct, is_private);
+
+ if (is_result) {
+ generate_swift_struct_result_writer(out, tstruct);
+ }
+ else {
+ generate_swift_struct_writer(out, tstruct, is_private);
+ }
+
+ block_close(out);
+
+ out << endl;
+}
+
+/**
+ * Generates a function to read a struct from
+ * from a protocol. (TStruct compliance)
+ *
+ * @param tstruct The structure definition
+ * @param is_private
+ * Is the struct public or private
+ */
+void t_swift_generator::generate_swift_struct_reader(ofstream& out,
+ t_struct* tstruct,
+ bool is_private) {
+
+ string visibility = is_private ? "private" : "public";
+
+ indent(out) << visibility << " static func readValueFromProtocol(__proto: TProtocol) throws -> "
+ << tstruct->get_name();
+
+ block_open(out);
+
+ out << endl;
+
+ indent(out) << "try __proto.readStructBegin()" << endl << endl;
+
+ const vector<t_field*>& fields = tstruct->get_members();
+ vector<t_field*>::const_iterator f_iter;
+
+ for (f_iter = fields.begin(); f_iter != fields.end(); ++f_iter) {
+ bool optional = field_is_optional(*f_iter);
+ indent(out) << "var " << (*f_iter)->get_name() << " : "
+ << type_name((*f_iter)->get_type(), optional, !optional) << endl;
+ }
+
+ out << endl;
+
+ // Loop over reading in fields
+ indent(out) << "fields: while true";
+
+ block_open(out);
+
+ out << endl;
+
+ indent(out) << "let (_, fieldType, fieldID) = try __proto.readFieldBegin()" << endl << endl;
+ indent(out) << "switch (fieldID, fieldType)";
+
+ block_open(out);
+
+ indent(out) << "case (_, .STOP):" << endl;
+ indent_up();
+ indent(out) << "break fields" << endl << endl;
+ indent_down();
+
+ // Generate deserialization code for known cases
+ for (f_iter = fields.begin(); f_iter != fields.end(); ++f_iter) {
+
+ indent(out) << "case (" << (*f_iter)->get_key() << ", " << type_to_enum((*f_iter)->get_type()) << "):" << endl;
+ indent_up();
+ indent(out) << (*f_iter)->get_name() << " = try __proto.readValue() as " << type_name((*f_iter)->get_type()) << endl << endl;
+ indent_down();
+
+ }
+
+ indent(out) << "case let (_, unknownType):" << endl;
+ indent_up();
+ indent(out) << "try __proto.skipType(unknownType)" << endl;
+ indent_down();
+
+ block_close(out);
+
+ out << endl;
+
+ // Read field end marker
+ indent(out) << "try __proto.readFieldEnd()" << endl;
+
+ block_close(out);
+
+ out << endl;
+
+ indent(out) << "try __proto.readStructEnd()" << endl;
+
+ out << endl;
+
+ if (struct_has_required_fields(tstruct)) {
+ // performs various checks (e.g. check that all required fields are set)
+ indent(out) << "// Required fields" << endl;
+
+ for (f_iter = fields.begin(); f_iter != fields.end(); ++f_iter) {
+ if (field_is_optional(*f_iter)) {
+ continue;
+ }
+ indent(out) << "try __proto.validateValue(" << (*f_iter)->get_name() << ", "
+ << "named: \"" << (*f_iter)->get_name() << "\")" << endl;
+ }
+ }
+
+ out << endl;
+
+ indent(out) << "return " << tstruct->get_name() << "(";
+ for (f_iter = fields.begin(); f_iter != fields.end();) {
+ out << (*f_iter)->get_name() << ": " << (*f_iter)->get_name();
+ if (++f_iter != fields.end()) {
+ out << ", ";
+ }
+ }
+ out << ")" << endl;
+
+ block_close(out);
+
+ out << endl;
+}
+
+/**
+ * Generates a function to write a struct to
+ * a protocol. (TStruct compliance)
+ *
+ * @param tstruct The structure definition
+ * @param is_private
+ * Is the struct public or private
+ */
+void t_swift_generator::generate_swift_struct_writer(ofstream& out,
+ t_struct* tstruct,
+ bool is_private) {
+
+ string visibility = is_private ? "private" : "public";
+
+ indent(out) << visibility << " static func writeValue(__value: " << tstruct->get_name() << ", toProtocol __proto: TProtocol) throws";
+
+ block_open(out);
+
+ out << endl;
+
+ string name = tstruct->get_name();
+ const vector<t_field*>& fields = tstruct->get_members();
+ vector<t_field*>::const_iterator f_iter;
+
+ indent(out) << "try __proto.writeStructBeginWithName(\"" << name << "\")" << endl;
+
+ out << endl;
+
+ for (f_iter = fields.begin(); f_iter != fields.end(); ++f_iter) {
+ t_field *tfield = *f_iter;
+
+ bool optional = field_is_optional(tfield);
+ if (optional) {
+ indent(out) << "if let " << tfield->get_name() << " = __value." << tfield->get_name();
+ block_open(out);
+ }
+
+ indent(out) << "try __proto.writeFieldValue("
+ << (optional ? "" : "__value.") << tfield->get_name() << ", "
+ << "name: \"" << tfield->get_name() << "\", "
+ << "type: " << type_to_enum(tfield->get_type()) << ", "
+ << "id: " << tfield->get_key() << ")" << endl;
+
+ if (optional) {
+ block_close(out);
+ }
+
+ out << endl;
+ }
+
+ indent(out) << "try __proto.writeFieldStop()" << endl << endl;
+
+ indent(out) << "try __proto.writeStructEnd()" << endl;
+
+ block_close(out);
+
+ out << endl;
+}
+
+/**
+ * Generates a function to read a struct from
+ * from a protocol. (TStruct compliance)
+ *
+ * This is specifically a function result. Only
+ * the first available field is written.
+ *
+ * @param tstruct The structure definition
+ */
+void t_swift_generator::generate_swift_struct_result_writer(ofstream& out, t_struct* tstruct) {
+
+ indent(out) << "private static func writeValue(__value: " << tstruct->get_name() << ", toProtocol __proto: TProtocol) throws";
+
+ block_open(out);
+
+ out << endl;
+
+ string name = tstruct->get_name();
+ const vector<t_field*>& fields = tstruct->get_members();
+ vector<t_field*>::const_iterator f_iter;
+
+ indent(out) << "try __proto.writeStructBeginWithName(\"" << name << "\")" << endl;
+
+ out << endl;
+
+ for (f_iter = fields.begin(); f_iter != fields.end(); ++f_iter) {
+ t_field *tfield = *f_iter;
+
+ indent(out) << "if let result = __value." << (*f_iter)->get_name();
+
+ block_open(out);
+
+ indent(out) << "try __proto.writeFieldValue(result, "
+ << "name: \"" << tfield->get_name() << "\", "
+ << "type: " << type_to_enum(tfield->get_type()) << ", "
+ << "id: " << tfield->get_key() << ")" << endl;
+
+ block_close(out);
+ }
+ // Write the struct map
+ indent(out) << "try __proto.writeFieldStop()" << endl << endl;
+
+ indent(out) << "try __proto.writeStructEnd()" << endl;
+
+ block_close(out);
+
+ out << endl;
+}
+
+/**
+ * Generates a description method for the given struct
+ *
+ * @param tstruct The struct definition
+ */
+void t_swift_generator::generate_swift_struct_printable_extension(ofstream& out, t_struct* tstruct) {
+
+ // Allow use of debugDescription so the app can add description via a cateogory/extension
+
+ indent(out) << "extension " << tstruct->get_name() << " : "
+ << (debug_descriptions_ ? "CustomDebugStringConvertible" : "CustomStringConvertible");
+
+ block_open(out);
+
+ out << endl;
+
+ indent(out) << "public var description : String";
+
+ block_open(out);
+
+ indent(out) << "var desc = \"" << tstruct->get_name() << "(\"" << endl;
+
+ const vector<t_field*>& fields = tstruct->get_members();
+ vector<t_field*>::const_iterator f_iter;
+
+ for (f_iter = fields.begin(); f_iter != fields.end();) {
+ indent(out) << "desc += \"" << (*f_iter)->get_name() << "=\\(self." << (*f_iter)->get_name() << ")";
+ if (++f_iter != fields.end()) {
+ out << ", ";
+ }
+ out << "\"" << endl;
+ }
+ indent(out) << "desc += \")\"" << endl;
+ indent(out) << "return desc" << endl;
+
+ block_close(out);
+
+ out << endl;
+
+ block_close(out);
+
+ out << endl;
+}
+
+/**
+ * Generates a thrift service. In Swift this consists of a
+ * protocol definition and a client (with it's implementation
+ * separated into exts file).
+ *
+ * @param tservice The service definition
+ */
+void t_swift_generator::generate_service(t_service* tservice) {
+
+ generate_swift_service_protocol(f_decl_, tservice);
+ generate_swift_service_client(f_decl_, tservice);
+ if (async_clients_) {
+ generate_swift_service_protocol_async(f_decl_, tservice);
+ generate_swift_service_client_async(f_decl_, tservice);
+ }
+ generate_swift_service_server(f_decl_, tservice);
+
+ generate_swift_service_helpers(tservice);
+
+ generate_swift_service_client_implementation(f_impl_, tservice);
+ if (async_clients_) {
+ generate_swift_service_client_async_implementation(f_impl_, tservice);
+ }
+ generate_swift_service_server_implementation(f_impl_, tservice);
+}
+
+/**
+ * Generates structs for all the service return types
+ *
+ * @param tservice The service
+ */
+void t_swift_generator::generate_swift_service_helpers(t_service* tservice) {
+ vector<t_function*> functions = tservice->get_functions();
+ vector<t_function*>::iterator f_iter;
+ for (f_iter = functions.begin(); f_iter != functions.end(); ++f_iter) {
+
+ t_struct* ts = (*f_iter)->get_arglist();
+
+ string qname = function_args_helper_struct_type(tservice, *f_iter);
+
+ t_struct qname_ts = t_struct(ts->get_program(), qname);
+
+ const vector<t_field*>& members = ts->get_members();
+ vector<t_field*>::const_iterator m_iter;
+ for (m_iter = members.begin(); m_iter != members.end(); ++m_iter) {
+ qname_ts.append(*m_iter);
+ }
+
+ generate_swift_struct(f_impl_, &qname_ts, true);
+ generate_swift_struct_implementation(f_impl_, &qname_ts, false, true);
+ generate_function_helpers(tservice, *f_iter);
+ }
+}
+
+string t_swift_generator::function_result_helper_struct_type(t_service *tservice, t_function* tfunction) {
+ if (tfunction->is_oneway()) {
+ return tservice->get_name() + "_" + tfunction->get_name();
+ } else {
+ return tservice->get_name() + "_" + tfunction->get_name() + "_result";
+ }
+}
+
+string t_swift_generator::function_args_helper_struct_type(t_service *tservice, t_function* tfunction) {
+ return tservice->get_name() + "_" + tfunction->get_name() + "_args";
+}
+
+/**
+ * Generates a struct and helpers for a function.
+ *
+ * @param tfunction The function
+ */
+void t_swift_generator::generate_function_helpers(t_service *tservice, t_function* tfunction) {
+ if (tfunction->is_oneway()) {
+ return;
+ }
+
+ // create a result struct with a success field of the return type,
+ // and a field for each type of exception thrown
+ t_struct result(program_, function_result_helper_struct_type(tservice, tfunction));
+ if (!tfunction->get_returntype()->is_void()) {
+ t_field* success = new t_field(tfunction->get_returntype(), "success", 0);
+ success->set_req(t_field::T_OPTIONAL);
+ result.append(success);
+ }
+
+ t_struct* xs = tfunction->get_xceptions();
+ const vector<t_field*>& fields = xs->get_members();
+ vector<t_field*>::const_iterator f_iter;
+ for (f_iter = fields.begin(); f_iter != fields.end(); ++f_iter) {
+ t_field *x = *f_iter;
+ t_field *ox = new t_field(x->get_type(), x->get_name(), x->get_key());
+ ox->set_req(t_field::T_OPTIONAL);
+ result.append(ox);
+ }
+
+ // generate the result struct
+ generate_swift_struct(f_impl_, &result, true);
+ generate_swift_struct_implementation(f_impl_, &result, true, true);
+
+ for (f_iter = result.get_members().begin(); f_iter != result.get_members().end(); ++f_iter) {
+ delete *f_iter;
+ }
+}
+
+/**
+ * Generates a service protocol definition.
+ *
+ * @param tservice The service to generate a protocol definition for
+ */
+void t_swift_generator::generate_swift_service_protocol(ofstream& out, t_service* tservice) {
+
+ indent(out) << "public protocol " << tservice->get_name();
+
+ block_open(out);
+
+ vector<t_function*> functions = tservice->get_functions();
+ vector<t_function*>::iterator f_iter;
+
+ for (f_iter = functions.begin(); f_iter != functions.end(); ++f_iter) {
+ out << endl;
+ indent(out) << function_signature(*f_iter) << " // exceptions: ";
+ t_struct* xs = (*f_iter)->get_xceptions();
+ const vector<t_field*>& xceptions = xs->get_members();
+ vector<t_field*>::const_iterator x_iter;
+ for (x_iter = xceptions.begin(); x_iter != xceptions.end(); ++x_iter) {
+ out << type_name((*x_iter)->get_type()) + ", ";
+ }
+ out << endl;
+ }
+
+ block_close(out);
+
+ out << endl;
+}
+
+/**
+ * Generates an asynchronous service protocol definition.
+ *
+ * @param tservice The service to generate a protocol definition for
+ */
+void t_swift_generator::generate_swift_service_protocol_async(ofstream& out, t_service* tservice) {
+
+ indent(out) << "public protocol " << tservice->get_name() << "Async";
+
+ block_open(out);
+
+ vector<t_function*> functions = tservice->get_functions();
+ vector<t_function*>::iterator f_iter;
+
+ for (f_iter = functions.begin(); f_iter != functions.end(); ++f_iter) {
+ out << endl;
+ indent(out) << async_function_signature(*f_iter) << endl;
+ if (promise_kit_) {
+ indent(out) << promise_function_signature(*f_iter) << endl;
+ }
+ out << endl;
+ }
+
+ block_close(out);
+
+ out << endl;
+}
+
+/**
+ * Generates a service client interface definition.
+ *
+ * @param tservice The service to generate a client interface definition for
+ */
+void t_swift_generator::generate_swift_service_client(ofstream& out,
+ t_service* tservice) {
+
+ indent(out) << "public class " << tservice->get_name() << "Client /* : " << tservice->get_name() << " */";
+
+ block_open(out);
+
+ out << endl;
+
+ indent(out) << "let __inProtocol : TProtocol" << endl << endl;
+
+ indent(out) << "let __outProtocol : TProtocol" << endl << endl;
+
+ indent(out) << "public init(inoutProtocol: TProtocol)";
+
+ block_open(out);
+
+ indent(out) << "__inProtocol = inoutProtocol" << endl;
+
+ indent(out) << "__outProtocol = inoutProtocol" << endl;
+
+ block_close(out);
+
+ out << endl;
+
+ indent(out) << "public init(inProtocol: TProtocol, outProtocol: TProtocol)";
+
+ block_open(out);
+
+ indent(out) << "__inProtocol = inProtocol" << endl;
+
+ indent(out) << "__outProtocol = outProtocol" << endl;
+
+ block_close(out);
+
+ out << endl;
+
+ block_close(out);
+
+ out << endl;
+}
+
+/**
+ * Generates a service client interface definition.
+ *
+ * @param tservice The service to generate a client interface definition for
+ */
+void t_swift_generator::generate_swift_service_client_async(ofstream& out,
+ t_service* tservice) {
+
+ indent(out) << "public class " << tservice->get_name() << "AsyncClient /* : " << tservice->get_name() << " */";
+
+ block_open(out);
+
+ out << endl;
+
+ indent(out) << "let __protocolFactory : TProtocolFactory" << endl << endl;
+
+ indent(out) << "let __transportFactory : TAsyncTransportFactory" << endl << endl;
+
+ indent(out) << "public init(protocolFactory: TProtocolFactory, transportFactory: TAsyncTransportFactory)";
+
+ block_open(out);
+
+ indent(out) << "__protocolFactory = protocolFactory" << endl;
+
+ indent(out) << "__transportFactory = transportFactory" << endl;
+
+ block_close(out);
+
+ out << endl;
+
+ block_close(out);
+
+ out << endl;
+}
+
+/**
+ * Generates a service server interface definition. In other words,
+ * the TProcess implementation for the service definition.
+ *
+ * @param tservice The service to generate a client interface definition for
+ */
+void t_swift_generator::generate_swift_service_server(ofstream& out,
+ t_service* tservice) {
+
+ indent(out) << "public class " << tservice->get_name() << "Processor : NSObject /* " << tservice->get_name() << " */";
+
+ block_open(out);
+
+ out << endl;
+
+ out << indent() << "typealias ProcessorHandlerDictionary = "
+ << "[String: (Int, TProtocol, TProtocol, " << tservice->get_name() << ") throws -> Void]" << endl
+ << endl
+ << indent() << "let service : " << tservice->get_name() << endl
+ << endl
+ << indent() << "public init(service: " << tservice->get_name() << ")";
+ block_open(out);
+ indent(out) << "self.service = service" << endl;
+ block_close(out);
+
+ out << endl;
+
+ block_close(out);
+
+ out << endl;
+}
+
+/**
+ * Generates a function that will send the arguments
+ * for a service function via a protocol.
+ *
+ * @param tservice The service to generate
+ * @param tfunction The function to generate
+ * @param needs_protocol
+ * Wether the first parameter must be a protocol or if
+ * the protocol is to be assumed
+ */
+void t_swift_generator::generate_swift_service_client_send_function_implementation(ofstream& out,
+ t_service *tservice,
+ t_function* tfunction,
+ bool needs_protocol) {
+
+ string funname = tfunction->get_name();
+
+ t_function send_function(g_type_bool,
+ "send_" + tfunction->get_name(),
+ tfunction->get_arglist());
+
+ string argsname = function_args_helper_struct_type(tservice, tfunction);
+ t_struct* arg_struct = tfunction->get_arglist();
+
+ // Open function
+ indent(out) << "private func " << send_function.get_name() << "(" << argument_list(tfunction->get_arglist(), needs_protocol ? "__outProtocol" : "", true) << ") throws";
+ block_open(out);
+
+ out << endl;
+
+ // Serialize the request
+ indent(out) << "try __outProtocol.writeMessageBeginWithName(\"" << funname << "\", "
+ << "type: " << (tfunction->is_oneway() ? ".ONEWAY" : ".CALL") << ", "
+ << "sequenceID: 0)" << endl;
+
+ out << endl;
+
+ indent(out) << "let __args = " << argsname << "(";
+
+ // write out function parameters
+
+ const vector<t_field*>& fields = arg_struct->get_members();
+ vector<t_field*>::const_iterator f_iter;
+
+ for (f_iter = fields.begin(); f_iter != fields.end();) {
+ t_field *tfield = (*f_iter);
+ out << tfield->get_name() << ": " << tfield->get_name();
+ if (++f_iter != fields.end()) {
+ out << ", ";
+ }
+ }
+ out << ")" << endl;
+ indent(out) << "try " << argsname << ".writeValue(__args, toProtocol: __outProtocol)" << endl << endl;
+
+ indent(out) << "try __outProtocol.writeMessageEnd()" << endl;
+
+ block_close(out);
+
+ out << endl;
+}
+
+/**
+ * Generates a function that will recv the result for a
+ * service function via a protocol.
+ *
+ * @param tservice The service to generate
+ * @param tfunction The function to generate
+ * @param needs_protocol
+ * Wether the first parameter must be a protocol or if
+ * the protocol is to be assumed
+ */
+void t_swift_generator::generate_swift_service_client_recv_function_implementation(ofstream& out,
+ t_service* tservice,
+ t_function* tfunction,
+ bool needs_protocol) {
+
+ // Open function
+ indent(out) << "private func recv_" << tfunction->get_name() << "(";
+
+ if (needs_protocol) {
+ out << "__inProtocol: TProtocol";
+ }
+
+ out << ") throws";
+
+ if (!tfunction->get_returntype()->is_void()) {
+ out << " -> " << type_name(tfunction->get_returntype());
+ }
+
+ block_open(out);
+
+ // check for an exception
+
+ out << endl;
+
+ indent(out) << "try __inProtocol.readResultMessageBegin() " << endl << endl;
+
+ string resultname = function_result_helper_struct_type(tservice, tfunction);
+ indent(out);
+ if (!tfunction->get_returntype()->is_void() || !tfunction->get_xceptions()->get_members().empty()) {
+ out << "let __result = ";
+ }
+ out << "try " << resultname << ".readValueFromProtocol(__inProtocol)" << endl << endl;
+
+ indent(out) << "try __inProtocol.readMessageEnd()" << endl << endl;
+
+ // Careful, only return _result if not a void function
+ if (!tfunction->get_returntype()->is_void()) {
+ indent(out) << "if let __success = __result.success";
+ block_open(out);
+ indent(out) << "return __success" << endl;
+ block_close(out);
+ }
+
+ t_struct* xs = tfunction->get_xceptions();
+ const vector<t_field*>& xceptions = xs->get_members();
+ vector<t_field*>::const_iterator x_iter;
+
+ for (x_iter = xceptions.begin(); x_iter != xceptions.end(); ++x_iter) {
+ indent(out) << "if let " << (*x_iter)->get_name() << " = __result." << (*x_iter)->get_name();
+ block_open(out);
+ indent(out) << "throw " << (*x_iter)->get_name() << endl;
+ block_close(out);
+ }
+
+ // If you get here it's an exception, unless a void function
+ if (!tfunction->get_returntype()->is_void()) {
+ indent(out) << "throw NSError(" << endl;
+ indent_up();
+ indent(out) << "domain: TApplicationErrorDomain, " << endl;
+ indent(out) << "code: Int(TApplicationError.MissingResult.rawValue)," << endl;
+ indent(out) << "userInfo: [TApplicationErrorMethodKey: \"" << tfunction->get_name() << "\"])" << endl;
+ indent_down();
+ }
+
+ // Close function
+ block_close(out);
+
+ out << endl;
+}
+
+/**
+ * Generates an invocation of a given the send function for the
+ * service function.
+ *
+ * @param tfunction The service to generate an implementation for
+ */
+void t_swift_generator::generate_swift_service_client_send_function_invocation(ofstream& out,
+ t_function* tfunction) {
+
+ indent(out) << "try send_" << tfunction->get_name() << "(";
+
+ t_struct* arg_struct = tfunction->get_arglist();
+
+ const vector<t_field*>& fields = arg_struct->get_members();
+ vector<t_field*>::const_iterator f_iter;
+
+ for (f_iter = fields.begin(); f_iter != fields.end();) {
+ out << (*f_iter)->get_name() << ": " << (*f_iter)->get_name();
+ if (++f_iter != fields.end()) {
+ out << ", ";
+ }
+ }
+
+ out << ")" << endl;
+}
+
+/**
+ * Generates an invocation of a given the send function for the
+ * service function. This is for asynchronous protocols.
+ *
+ * @param tfunction The service to generate an implementation for
+ */
+void t_swift_generator::generate_swift_service_client_send_async_function_invocation(ofstream& out,
+ t_function* tfunction) {
+
+ t_struct* arg_struct = tfunction->get_arglist();
+ const vector<t_field*>& fields = arg_struct->get_members();
+ vector<t_field*>::const_iterator f_iter;
+
+ indent(out) << "try send_" << tfunction->get_name() << "(__protocol";
+
+ for (f_iter = fields.begin(); f_iter != fields.end(); ++f_iter) {
+ out << ", " << (*f_iter)->get_name() << ": " << (*f_iter)->get_name();
+ }
+
+ out << ")" << endl;
+}
+
+/**
+ * Generates a service client protocol implementation via extension.
+ *
+ * @param tservice The service to generate an implementation for
+ */
+void t_swift_generator::generate_swift_service_client_implementation(ofstream& out,
+ t_service* tservice) {
+
+ string name = tservice->get_name() + "Client";
+
+ indent(out) << "extension " << name << " : " << tservice->get_name();
+
+ block_open(out);
+
+ out << endl;
+
+ // generate client method implementations
+ vector<t_function*> functions = tservice->get_functions();
+ vector<t_function*>::const_iterator f_iter;
+ for (f_iter = functions.begin(); f_iter != functions.end(); ++f_iter) {
+
+ generate_swift_service_client_send_function_implementation(out, tservice, *f_iter, false);
+
+ if (!(*f_iter)->is_oneway()) {
+ generate_swift_service_client_recv_function_implementation(out, tservice, *f_iter, false);
+ }
+
+ // Open function
+ indent(out) << "public " << function_signature(*f_iter);
+
+ block_open(out);
+
+ out << endl;
+
+ generate_swift_service_client_send_function_invocation(out, *f_iter);
+
+ out << endl;
+
+ indent(out) << "try __outProtocol.transport().flush()" << endl << endl;
+
+ if (!(*f_iter)->is_oneway()) {
+ if ((*f_iter)->get_returntype()->is_void()) {
+ indent(out) << "try recv_" << (*f_iter)->get_name() << "()" << endl;
+ } else {
+ indent(out) << "return try recv_" << (*f_iter)->get_name() << "()" << endl;
+ }
+ }
+
+ block_close(out);
+
+ out << endl;
+ }
+
+ block_close(out);
+
+ out << endl;
+}
+
+/**
+ * Generates a service asynchronous client protocol implementation via extension.
+ *
+ * @param tservice The service to generate an implementation for
+ */
+void t_swift_generator::generate_swift_service_client_async_implementation(ofstream& out,
+ t_service* tservice) {
+
+ string name = tservice->get_name() + "AsyncClient";
+ string protocol_name = tservice->get_name() + "Async";
+
+ indent(out) << "extension " << name << " : " << protocol_name;
+
+ block_open(out);
+
+ out << endl;
+
+ // generate client method implementations
+ vector<t_function*> functions = tservice->get_functions();
+ vector<t_function*>::const_iterator f_iter;
+ for (f_iter = functions.begin(); f_iter != functions.end(); ++f_iter) {
+
+ generate_swift_service_client_send_function_implementation(out, tservice, *f_iter, true);
+
+ if (!(*f_iter)->is_oneway()) {
+ generate_swift_service_client_recv_function_implementation(out, tservice, *f_iter, true);
+ }
+
+ indent(out) << "public " << async_function_signature(*f_iter);
+ block_open(out);
+
+ out << endl;
+
+ out << indent() << "let __transport = __transportFactory.newTransport()" << endl
+ << indent() << "let __protocol = __protocolFactory.newProtocolOnTransport(__transport)" << endl
+ << endl;
+
+ generate_swift_service_client_send_async_function_invocation(out, *f_iter);
+
+ out << endl;
+
+ indent(out) << "__transport.flushWithCompletion(";
+
+ if ((*f_iter)->is_oneway()) {
+ out << "success, failure: failure)" << endl;
+ }
+ else {
+ block_open(out);
+ indent(out) << "do";
+ block_open(out);
+
+ indent(out);
+ if (!(*f_iter)->get_returntype()->is_void()) {
+ out << "let result = ";
+ }
+ out << "try self.recv_" << (*f_iter)->get_name() << "(__protocol)" << endl;
+
+ out << indent() << "success(";
+ if (!(*f_iter)->get_returntype()->is_void()) {
+ out << "result";
+ }
+ out << ")" << endl;
+
+ block_close(out);
+ indent(out) << "catch let error";
+ block_open(out);
+ indent(out) << "failure(error as NSError)" << endl;
+ block_close(out);
+ block_close(out);
+ indent(out) << ", failure: failure)" << endl;
+ }
+
+
+ block_close(out);
+
+ out << endl;
+
+ // Promise function
+ if (promise_kit_) {
+
+ indent(out) << "public " << promise_function_signature(*f_iter);
+ block_open(out);
+
+ out << indent() << "let (__promise, __fulfill, __reject) = Promise<" << type_name((*f_iter)->get_returntype()) << ">.pendingPromise()" << endl << endl
+ << indent() << "let __transport = __transportFactory.newTransport()" << endl
+ << indent() << "let __protocol = __protocolFactory.newProtocolOnTransport(__transport)" << endl
+ << endl;
+
+ generate_swift_service_client_send_async_function_invocation(out, *f_iter);
+
+ out << endl;
+
+ indent(out) << "__transport.flushWithCompletion(";
+
+ if ((*f_iter)->is_oneway()) {
+ out << "{ __fulfill() }, failure: { __reject($0) })" << endl;
+ }
+ else {
+ block_open(out);
+ indent(out) << "do";
+ block_open(out);
+
+ indent(out);
+ if (!(*f_iter)->get_returntype()->is_void()) {
+ out << "let result = ";
+ }
+ out << "try self.recv_" << (*f_iter)->get_name() << "(__protocol)" << endl;
+
+ out << indent() << "__fulfill(";
+ if (!(*f_iter)->get_returntype()->is_void()) {
+ out << "result";
+ }
+ out << ")" << endl;
+
+ block_close(out);
+ indent(out) << "catch let error";
+ block_open(out);
+ indent(out) << "__reject(error)" << endl;
+ block_close(out);
+ block_close(out);
+
+ indent(out) << ", failure: { error in " << endl;
+ indent_up();
+ indent(out) << "__reject(error)" << endl;
+ indent_down();
+ indent(out) << "})" << endl;
+ }
+
+ indent(out) << "return __promise" << endl;
+
+ block_close(out);
+
+ out << endl;
+
+ }
+
+ }
+
+ block_close(out);
+
+ out << endl;
+}
+
+/**
+ * Generates a service server implementation.
+ *
+ * Implemented by generating a block for each service function that
+ * handles the processing of that function. The blocks are stored in
+ * a map and looked up via function/message name.
+ *
+ * @param tservice The service to generate an implementation for
+ */
+void t_swift_generator::generate_swift_service_server_implementation(ofstream& out,
+ t_service* tservice) {
+
+ string name = tservice->get_name() + "Processor";
+
+ indent(out) << "extension " << name << " : TProcessor";
+ block_open(out);
+
+ out << endl;
+
+ indent(out) << "static let processorHandlers : ProcessorHandlerDictionary =";
+ block_open(out);
+
+ out << endl;
+
+ out << indent() << "var processorHandlers = ProcessorHandlerDictionary()" << endl << endl;
+
+ // generate method map for routing incoming calls
+ vector<t_function*> functions = tservice->get_functions();
+ vector<t_function*>::const_iterator f_iter;
+ for (f_iter = functions.begin(); f_iter != functions.end(); ++f_iter) {
+
+ t_function* tfunction = *f_iter;
+
+ string args_type = function_args_helper_struct_type(tservice, *f_iter);
+
+ out << indent() << "processorHandlers[\"" << tfunction->get_name() << "\"] = { sequenceID, inProtocol, outProtocol, handler in" << endl
+ << endl;
+
+ indent_up();
+ out << indent() << "let args = try " << args_type << ".readValueFromProtocol(inProtocol)" << endl
+ << endl
+ << indent() << "try inProtocol.readMessageEnd()" << endl
+ << endl;
+
+ if (!tfunction->is_oneway() ) {
+ string result_type = function_result_helper_struct_type(tservice, tfunction);
+ indent(out) << "var result = " << result_type << "()" << endl;
+
+ indent(out) << "do";
+ block_open(out);
+
+ indent(out);
+ if (!tfunction->get_returntype()->is_void()) {
+ out << "result.success = ";
+ }
+ out << "try handler." << function_name(tfunction) << "(";
+
+ t_struct* arg_struct = tfunction->get_arglist();
+ const vector<t_field*>& fields = arg_struct->get_members();
+ vector<t_field*>::const_iterator f_iter;
+
+ for (f_iter = fields.begin(); f_iter != fields.end();) {
+ string fieldName = (*f_iter)->get_name();
+ if (f_iter != fields.begin()) {
+ out << fieldName << ": ";
+ }
+ out << "args." << fieldName;
+ if (++f_iter != fields.end()) {
+ out << ", ";
+ }
+ }
+
+ out << ")" << endl;
+
+ block_close(out);
+
+ t_struct* xs = tfunction->get_xceptions();
+ const vector<t_field*>& xfields = xs->get_members();
+ vector<t_field*>::const_iterator x_iter;
+
+ for (x_iter = xfields.begin(); x_iter != xfields.end(); ++x_iter) {
+ indent(out) << "catch let error as " << (*x_iter)->get_type()->get_name();
+ block_open(out);
+ indent(out) << "result." << (*x_iter)->get_name() << " = error" << endl;
+ block_close(out);
+ }
+
+ indent(out) << "catch let error";
+ block_open(out);
+ out << indent() << "throw error" << endl;
+ block_close(out);
+
+ out << endl;
+
+ if (!tfunction->is_oneway()) {
+ out << indent() << "try outProtocol.writeMessageBeginWithName(\"" << tfunction->get_name() << "\", type: .REPLY, sequenceID: sequenceID)" << endl
+ << indent() << "try " << result_type << ".writeValue(result, toProtocol: outProtocol)" << endl
+ << indent() << "try outProtocol.writeMessageEnd()" << endl;
+ }
+ }
+ block_close(out);
+
+ }
+
+ indent(out) << "return processorHandlers" << endl;
+
+ block_close(out,false);
+ out << "()" << endl;
+
+ out << endl;
+
+ indent(out) << "public func processOnInputProtocol(inProtocol: TProtocol, outputProtocol outProtocol: TProtocol) throws";
+ block_open(out);
+
+ out << endl;
+
+ out << indent() << "let (messageName, _, sequenceID) = try inProtocol.readMessageBegin()" << endl
+ << endl
+ << indent() << "if let processorHandler = " << name << ".processorHandlers[messageName]";
+ block_open(out);
+ out << indent() << "do";
+ block_open(out);
+ out << indent() << "try processorHandler(sequenceID, inProtocol, outProtocol, service)" << endl;
+ block_close(out);
+ out << indent() << "catch let error as NSError";
+ block_open(out);
+ out << indent() << "try outProtocol.writeExceptionForMessageName(messageName, sequenceID: sequenceID, ex: error)" << endl;
+ block_close(out);
+ block_close(out);
+ out << indent() << "else";
+ block_open(out);
+ out << indent() << "try inProtocol.skipType(.STRUCT)" << endl
+ << indent() << "try inProtocol.readMessageEnd()" << endl
+ << indent() << "try outProtocol.writeExceptionForMessageName(messageName," << endl;
+ indent_up();
+ out << indent() << "sequenceID: sequenceID," << endl
+ << indent() << "ex: NSError(" << endl;
+ indent_up();
+ out << indent() << "domain: TApplicationErrorDomain, " << endl
+ << indent() << "code: Int(TApplicationError.UnknownMethod.rawValue), " << endl
+ << indent() << "userInfo: [TApplicationErrorMethodKey: messageName]))" << endl;
+ indent_down();
+ indent_down();
+ block_close(out);
+
+ block_close(out);
+
+ block_close(out);
+ out << endl;
+}
+
+/**
+ * Returns an Swift name
+ *
+ * @param ttype The type
+ * @param class_ref Do we want a Class reference istead of a type reference?
+ * @return Swift type name, i.e. Dictionary<Key,Value>
+ */
+string t_swift_generator::type_name(t_type* ttype, bool is_optional, bool is_forced) {
+ string result;
+ if (ttype->is_base_type()) {
+ result = base_type_name((t_base_type*)ttype);
+ } else if (ttype->is_map()) {
+ t_map *map = (t_map *)ttype;
+ result = "TMap<" + type_name(map->get_key_type()) + ", " + type_name(map->get_val_type()) + ">";
+ } else if (ttype->is_set()) {
+ t_set *set = (t_set *)ttype;
+ result = "TSet<" + type_name(set->get_elem_type()) + ">";
+ } else if (ttype->is_list()) {
+ t_list *list = (t_list *)ttype;
+ result = "TList<" + type_name(list->get_elem_type()) + ">";
+ }
+ else {
+ result = ttype->get_name();
+ }
+
+ if (is_optional) {
+ result += "?";
+ }
+
+ if (is_forced) {
+ result += "!";
+ }
+
+ return result;
+}
+
+/**
+ * Returns the Swift type that corresponds to the thrift type.
+ *
+ * @param tbase The base type
+ */
+string t_swift_generator::base_type_name(t_base_type* type) {
+ t_base_type::t_base tbase = type->get_base();
+
+ switch (tbase) {
+ case t_base_type::TYPE_VOID:
+ return "Void";
+ case t_base_type::TYPE_STRING:
+ if (type->is_binary()) {
+ return "TBinary";
+ } else {
+ return "String";
+ }
+ case t_base_type::TYPE_BOOL:
+ return "Bool";
+ case t_base_type::TYPE_BYTE:
+ return "Int8";
+ case t_base_type::TYPE_I16:
+ return "Int16";
+ case t_base_type::TYPE_I32:
+ return "Int32";
+ case t_base_type::TYPE_I64:
+ return "Int64";
+ case t_base_type::TYPE_DOUBLE:
+ return "Double";
+ default:
+ throw "compiler error: no Swift name for base type " + t_base_type::t_base_name(tbase);
+ }
+}
+
+/**
+ * Renders full constant value (as would be seen after an '=')
+ *
+ */
+void t_swift_generator::render_const_value(ostream& out,
+ t_type* type,
+ t_const_value* value) {
+ type = get_true_type(type);
+
+ if (type->is_base_type()) {
+ t_base_type::t_base tbase = ((t_base_type*)type)->get_base();
+ switch (tbase) {
+ case t_base_type::TYPE_STRING:
+ out << "\"" << get_escaped_string(value) << "\"";
+ break;
+ case t_base_type::TYPE_BOOL:
+ out << ((value->get_integer() > 0) ? "true" : "false");
+ break;
+ case t_base_type::TYPE_BYTE:
+ case t_base_type::TYPE_I16:
+ case t_base_type::TYPE_I32:
+ case t_base_type::TYPE_I64:
+ out << type_name(type) << "(" << value->get_integer() << ")";
+ break;
+ case t_base_type::TYPE_DOUBLE:
+ out << type_name(type) << "(";
+ if (value->get_type() == t_const_value::CV_INTEGER) {
+ out << value->get_integer();
+ } else {
+ out << value->get_double();
+ }
+ out << ")";
+ break;
+ default:
+ throw "compiler error: no const of base type " + t_base_type::t_base_name(tbase);
+ }
+ } else if (type->is_enum()) {
+ out << value->get_identifier();
+ } else if (type->is_struct() || type->is_xception()) {
+
+ out << type_name(type) << "(";
+
+ const vector<t_field*>& fields = ((t_struct*)type)->get_members();
+ vector<t_field*>::const_iterator f_iter;
+
+ const map<t_const_value*, t_const_value*>& val = value->get_map();
+ map<t_const_value*, t_const_value*>::const_iterator v_iter;
+
+ for (f_iter = fields.begin(); f_iter != fields.end();) {
+ t_field* tfield = *f_iter;
+ t_const_value* value = NULL;
+ for (v_iter = val.begin(); v_iter != val.end(); ++v_iter) {
+ if (tfield->get_name() == v_iter->first->get_string()) {
+ value = v_iter->second;
+ }
+ }
+
+ if (value) {
+ out << tfield->get_name() << ": ";
+ render_const_value(out, tfield->get_type(), value);
+ }
+ else if (!field_is_optional(tfield)) {
+ throw "constant error: required field " + type->get_name() + "." + tfield->get_name() + " has no value";
+ }
+
+ if (++f_iter != fields.end()) {
+ out << ", ";
+ }
+ }
+
+ out << ")";
+
+ } else if (type->is_map()) {
+
+ out << "[";
+
+ t_type* ktype = ((t_map*)type)->get_key_type();
+ t_type* vtype = ((t_map*)type)->get_val_type();
+
+ const map<t_const_value*, t_const_value*>& val = value->get_map();
+ map<t_const_value*, t_const_value*>::const_iterator v_iter;
+
+ for (v_iter = val.begin(); v_iter != val.end();) {
+
+ render_const_value(out, ktype, v_iter->first);
+ out << ": ";
+ render_const_value(out, vtype, v_iter->second);
+
+ if (++v_iter != val.end()) {
+ out << ", ";
+ }
+ }
+
+ out << "]";
+
+ } else if (type->is_list()) {
+
+ out << "[";
+
+ t_type* etype = ((t_list*)type)->get_elem_type();
+
+ const map<t_const_value*, t_const_value*>& val = value->get_map();
+ map<t_const_value*, t_const_value*>::const_iterator v_iter;
+
+ for (v_iter = val.begin(); v_iter != val.end();) {
+
+ render_const_value(out, etype, v_iter->first);
+
+ if (++v_iter != val.end()) {
+ out << ", ";
+ }
+ }
+
+ out << "]";
+
+ } else if (type->is_set()) {
+
+ out << "[";
+
+ t_type* etype = ((t_set*)type)->get_elem_type();
+
+ const map<t_const_value*, t_const_value*>& val = value->get_map();
+ map<t_const_value*, t_const_value*>::const_iterator v_iter;
+
+ for (v_iter = val.begin(); v_iter != val.end();) {
+
+ render_const_value(out, etype, v_iter->first);
+
+ if (++v_iter != val.end()) {
+ out << ", ";
+ }
+ }
+
+ out << "]";
+
+ } else {
+ throw "compiler error: no const of type " + type->get_name();
+ }
+
+}
+
+/**
+ * Declares an Swift property.
+ *
+ * @param tfield The field to declare a property for
+ */
+string t_swift_generator::declare_property(t_field* tfield, bool is_private) {
+
+ string visibility = is_private ? "private" : "public";
+
+ ostringstream render;
+
+ render << visibility << " var " << tfield->get_name();
+
+ if (field_is_optional(tfield)) {
+ render << " : " << type_name(tfield->get_type(), true);
+ }
+ else {
+ render << " = " << type_name(tfield->get_type(), false) << "()";
+ }
+
+ return render.str();
+}
+
+/**
+ * Renders a function signature
+ *
+ * @param tfunction Function definition
+ * @return String of rendered function definition
+ */
+string t_swift_generator::function_signature(t_function* tfunction) {
+
+ string result = "func " + function_name(tfunction);
+
+ result += "(" + argument_list(tfunction->get_arglist(), "", false) + ") throws";
+
+ t_type* ttype = tfunction->get_returntype();
+ if (!ttype->is_void()) {
+ result += " -> " + type_name(ttype);
+ }
+
+ return result;
+}
+
+/**
+ * Renders a function signature that returns asynchronously via blocks.
+ *
+ * @param tfunction Function definition
+ * @return String of rendered function definition
+ */
+string t_swift_generator::async_function_signature(t_function* tfunction) {
+ t_type* ttype = tfunction->get_returntype();
+ t_struct* targlist = tfunction->get_arglist();
+ string response_param = "(" + ((ttype->is_void()) ? "" : type_name(ttype)) + ") -> Void";
+ string result = "func " + function_name(tfunction);
+ result += "(" + argument_list(tfunction->get_arglist(), "", false)
+ + (targlist->get_members().size() ? ", " : "")
+ + "success: " + response_param + ", "
+ + "failure: (NSError) -> Void) throws";
+ return result;
+}
+
+/**
+ * Renders a function signature that returns asynchronously via promises.
+ *
+ * @param tfunction Function definition
+ * @return String of rendered function definition
+ */
+string t_swift_generator::promise_function_signature(t_function* tfunction) {
+ return "func " + function_name(tfunction) + "(" + argument_list(tfunction->get_arglist(), "", false) + ") throws "
+ + "-> Promise<" + type_name(tfunction->get_returntype()) + ">";
+}
+
+/**
+ * Renders a verbose function name suitable for a Swift method
+ */
+string t_swift_generator::function_name(t_function* tfunction) {
+ string name = tfunction->get_name();
+ if (!tfunction->get_arglist()->get_members().empty()) {
+ string first_arg = tfunction->get_arglist()->get_members().front()->get_name();
+ if (name.size() < first_arg.size() ||
+ lowercase(name.substr(name.size()-first_arg.size())) != lowercase(first_arg)) {
+ name += "With" + capitalize(tfunction->get_arglist()->get_members()[0]->get_name());
+ }
+ }
+ return name;
+}
+
+/**
+ * Renders a Swift method argument list
+ */
+string t_swift_generator::argument_list(t_struct* tstruct, string protocol_name, bool is_internal) {
+ string result = "";
+ bool include_protocol = !protocol_name.empty();
+
+ const vector<t_field*>& fields = tstruct->get_members();
+ vector<t_field*>::const_iterator f_iter;
+
+ if (include_protocol) {
+ result += protocol_name + ": TProtocol";
+ if (!fields.empty()) {
+ result += ", ";
+ }
+ }
+ else if (!fields.empty() && is_internal) {
+ // Force first argument to be named
+ result += fields.front()->get_name() + " ";
+ }
+
+ for (f_iter = fields.begin(); f_iter != fields.end();) {
+ t_field* arg = *f_iter;
+ result += arg->get_name() + ": " + type_name(arg->get_type());
+
+ if (++f_iter != fields.end()) {
+ result += ", ";
+ }
+ }
+ return result;
+}
+
+/**
+ * Converts the parse type to a Swift TType enumeration.
+ */
+string t_swift_generator::type_to_enum(t_type* type, bool qualified) {
+ type = get_true_type(type);
+
+ string result = qualified ? "TType." : ".";
+
+ if (type->is_base_type()) {
+ t_base_type::t_base tbase = ((t_base_type*)type)->get_base();
+ switch (tbase) {
+ case t_base_type::TYPE_VOID:
+ throw "NO T_VOID CONSTRUCT";
+ case t_base_type::TYPE_STRING:
+ return result + "STRING";
+ case t_base_type::TYPE_BOOL:
+ return result + "BOOL";
+ case t_base_type::TYPE_BYTE:
+ return result + "BYTE";
+ case t_base_type::TYPE_I16:
+ return result + "I16";
+ case t_base_type::TYPE_I32:
+ return result + "I32";
+ case t_base_type::TYPE_I64:
+ return result + "I64";
+ case t_base_type::TYPE_DOUBLE:
+ return result + "DOUBLE";
+ }
+ } else if (type->is_enum()) {
+ return result + "I32";
+ } else if (type->is_struct() || type->is_xception()) {
+ return result + "STRUCT";
+ } else if (type->is_map()) {
+ return result + "MAP";
+ } else if (type->is_set()) {
+ return result + "SET";
+ } else if (type->is_list()) {
+ return result + "LIST";
+ }
+
+ throw "INVALID TYPE IN type_to_enum: " + type->get_name();
+}
+
+
+THRIFT_REGISTER_GENERATOR(
+ swift,
+ "Swift",
+ " log_unexpected: Log every time an unexpected field ID or type is encountered.\n"
+ " async_clients: Generate clients which invoke asynchronously via block syntax.\n"
+ " promise_kit: Generate clients which invoke asynchronously via promises.\n")
http://git-wip-us.apache.org/repos/asf/thrift/blob/56e5b9b0/lib/cocoa/src/TApplicationError.h
----------------------------------------------------------------------
diff --git a/lib/cocoa/src/TApplicationError.h b/lib/cocoa/src/TApplicationError.h
new file mode 100644
index 0000000..079881a
--- /dev/null
+++ b/lib/cocoa/src/TApplicationError.h
@@ -0,0 +1,55 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you 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
+ *
+ * http://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.
+ */
+
+#import "TProtocol.h"
+
+extern NSString *TApplicationErrorDomain;
+
+typedef NS_ENUM (int, TApplicationError) {
+ TApplicationErrorUnknown = 0,
+ TApplicationErrorUnknownMethod = 1,
+ TApplicationErrorInvalidMessageType = 2,
+ TApplicationErrorWrongMethodName = 3,
+ TApplicationErrorBadSequenceId = 4,
+ TApplicationErrorMissingResult = 5,
+ TApplicationErrorInternalError = 6,
+ TApplicationErrorProtocolError = 7,
+ TApplicationErrorInvalidTransform = 8,
+ TApplicationErrorInvalidProtocol = 9,
+ TApplicationErrorUnsupportedClientType = 10,
+};
+
+
+extern NSString *TApplicationErrorNameKey;
+extern NSString *TApplicationErrorReasonKey;
+extern NSString *TApplicationErrorMethodKey;
+
+
+@interface NSError (TApplicationError)
+
+@property (readonly, copy) NSString *name;
+@property (readonly, copy) NSString *reason;
+
++(instancetype) errorWithType:(TApplicationError)type reason:(NSString *)reason;
+
++(instancetype) read:(id<TProtocol>)protocol;
+
+-(BOOL) write:(id<TProtocol>)outProtocol error:(NSError *__autoreleasing *)error;
+
+@end
http://git-wip-us.apache.org/repos/asf/thrift/blob/56e5b9b0/lib/cocoa/src/TApplicationError.m
----------------------------------------------------------------------
diff --git a/lib/cocoa/src/TApplicationError.m b/lib/cocoa/src/TApplicationError.m
new file mode 100644
index 0000000..080bc0b
--- /dev/null
+++ b/lib/cocoa/src/TApplicationError.m
@@ -0,0 +1,231 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you 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
+ *
+ * http://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.
+ */
+
+#import "TApplicationError.h"
+#import "TProtocolUtil.h"
+
+
+NSString *TApplicationErrorDomain = @"TApplicationErrorDomain";
+
+
+NSString *TApplicationErrorNameKey = @"name";
+NSString *TApplicationErrorReasonKey = @"reason";
+NSString *TApplicationErrorMethodKey = @"method";
+
+
+@implementation NSError (TApplicationError)
+
+-(NSString *) reason
+{
+ return self.userInfo[TApplicationErrorReasonKey];
+}
+
+-(NSString *) name
+{
+ return self.userInfo[TApplicationErrorNameKey];
+}
+
++(instancetype) errorWithType:(TApplicationError)type reason:(NSString *)reason
+{
+ NSString *name;
+ switch (type) {
+ case TApplicationErrorUnknownMethod:
+ name = @"Unknown Method";
+ break;
+
+ case TApplicationErrorInvalidMessageType:
+ name = @"Invalid Message Type";
+ break;
+
+ case TApplicationErrorWrongMethodName:
+ name = @"Wrong Method Name";
+ break;
+
+ case TApplicationErrorBadSequenceId:
+ name = @"Bad Sequence ID";
+ break;
+
+ case TApplicationErrorMissingResult:
+ name = @"Missing Result";
+ break;
+
+ case TApplicationErrorInternalError:
+ name = @"Internal Error";
+ break;
+
+ case TApplicationErrorProtocolError:
+ name = @"Protocol Error";
+ break;
+
+ case TApplicationErrorInvalidTransform:
+ name = @"Invalid Transform";
+ break;
+
+ case TApplicationErrorInvalidProtocol:
+ name = @"Invalid Protocol";
+ break;
+
+ case TApplicationErrorUnsupportedClientType:
+ name = @"Unsupported Client Type";
+ break;
+
+ default:
+ name = @"Unknown";
+ break;
+ }
+
+ NSDictionary *userInfo;
+ if (reason) {
+ userInfo = @{TApplicationErrorNameKey:name,
+ TApplicationErrorReasonKey:reason};
+ }
+ else {
+ userInfo = @{TApplicationErrorNameKey:name};
+ }
+
+ return [NSError errorWithDomain:TApplicationErrorDomain
+ code:type
+ userInfo:userInfo];
+}
+
+
++(instancetype) read:(id<TProtocol>)protocol
+{
+ NSString *reason = nil;
+ SInt32 type = TApplicationErrorUnknown;
+ SInt32 fieldType;
+ SInt32 fieldID;
+
+ NSError *error;
+ if (![protocol readStructBeginReturningName:NULL error:&error]) {
+ return error;
+ }
+
+ while (true) {
+
+ if (![protocol readFieldBeginReturningName:NULL
+ type:&fieldType
+ fieldID:&fieldID
+ error:&error])
+ {
+ return error;
+ }
+
+ if (fieldType == TTypeSTOP) {
+ break;
+ }
+
+ switch (fieldID) {
+ case 1:
+ if (fieldType == TTypeSTRING) {
+ if (![protocol readString:&reason error:&error]) {
+ return error;
+ }
+ }
+ else {
+ if (![TProtocolUtil skipType:fieldType onProtocol:protocol error:&error]) {
+ return error;
+ }
+ }
+ break;
+
+ case 2:
+ if (fieldType == TTypeI32) {
+ if (![protocol readI32:&type error:&error]) {
+ return error;
+ }
+ }
+ else {
+ if (![TProtocolUtil skipType:fieldType onProtocol:protocol error:&error]) {
+ return error;
+ }
+ }
+ break;
+
+ default:
+ if (![TProtocolUtil skipType:fieldType onProtocol:protocol error:&error]) {
+ return error;
+ }
+ break;
+ }
+ if (![protocol readFieldEnd:&error]) {
+ return error;
+ }
+
+ }
+
+ if (![protocol readStructEnd:&error]) {
+ return error;
+ }
+
+ return [NSError errorWithType:type reason:reason];
+}
+
+
+-(BOOL) write:(id<TProtocol>)protocol error:(NSError *__autoreleasing *)error
+{
+ if (![protocol writeStructBeginWithName:@"TApplicationException" error:error]) {
+ return NO;
+ }
+
+ if (self.localizedDescription != nil) {
+ if (![protocol writeFieldBeginWithName:@"message"
+ type:TTypeSTRING
+ fieldID:1 error:error])
+ {
+ return NO;
+ }
+
+ if (![protocol writeString:self.localizedDescription error:error]) {
+ return NO;
+ }
+
+ if (![protocol writeFieldEnd:error]) {
+ return NO;
+ }
+ }
+
+ if (![protocol writeFieldBeginWithName:@"type"
+ type:TTypeI32
+ fieldID:2
+ error:error])
+ {
+ return NO;
+ }
+
+ if (![protocol writeI32:(SInt32)self.code error:error]) {
+ return NO;
+ }
+
+ if (![protocol writeFieldEnd:error]) {
+ return NO;
+ }
+
+ if (![protocol writeFieldStop:error]) {
+ return NO;
+ }
+
+ if (![protocol writeStructEnd:error]) {
+ return NO;
+ }
+
+ return YES;
+}
+
+@end
http://git-wip-us.apache.org/repos/asf/thrift/blob/56e5b9b0/lib/cocoa/src/TApplicationException.h
----------------------------------------------------------------------
diff --git a/lib/cocoa/src/TApplicationException.h b/lib/cocoa/src/TApplicationException.h
deleted file mode 100644
index 7b027d6..0000000
--- a/lib/cocoa/src/TApplicationException.h
+++ /dev/null
@@ -1,49 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements. See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership. The ASF licenses this file
- * to you 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
- *
- * http://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.
- */
-
-#import "TException.h"
-#import "TProtocol.h"
-
-enum {
- TApplicationException_UNKNOWN = 0,
- TApplicationException_UNKNOWN_METHOD = 1,
- TApplicationException_INVALID_MESSAGE_TYPE = 2,
- TApplicationException_WRONG_METHOD_NAME = 3,
- TApplicationException_BAD_SEQUENCE_ID = 4,
- TApplicationException_MISSING_RESULT = 5,
- TApplicationException_INTERNAL_ERROR = 6,
- TApplicationException_PROTOCOL_ERROR = 7,
- TApplicationException_INVALID_TRANSFORM = 8,
- TApplicationException_INVALID_PROTOCOL = 9,
- TApplicationException_UNSUPPORTED_CLIENT_TYPE = 10
-};
-
-// FIXME
-@interface TApplicationException : TException {
- int mType;
-}
-
-+ (TApplicationException *) read: (id <TProtocol>) protocol;
-
-- (void) write: (id <TProtocol>) protocol;
-
-+ (TApplicationException *) exceptionWithType: (int) type
- reason: (NSString *) message;
-
-@end
http://git-wip-us.apache.org/repos/asf/thrift/blob/56e5b9b0/lib/cocoa/src/TApplicationException.m
----------------------------------------------------------------------
diff --git a/lib/cocoa/src/TApplicationException.m b/lib/cocoa/src/TApplicationException.m
deleted file mode 100644
index 974dfc5..0000000
--- a/lib/cocoa/src/TApplicationException.m
+++ /dev/null
@@ -1,146 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements. See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership. The ASF licenses this file
- * to you 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
- *
- * http://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.
- */
-
-#import "TApplicationException.h"
-#import "TProtocolUtil.h"
-#import "TObjective-C.h"
-
-@implementation TApplicationException
-
-- (id) initWithType: (int) type
- reason: (NSString *) reason
-{
- mType = type;
-
- NSString * name;
- switch (type) {
- case TApplicationException_UNKNOWN_METHOD:
- name = @"Unknown method";
- break;
- case TApplicationException_INVALID_MESSAGE_TYPE:
- name = @"Invalid message type";
- break;
- case TApplicationException_WRONG_METHOD_NAME:
- name = @"Wrong method name";
- break;
- case TApplicationException_BAD_SEQUENCE_ID:
- name = @"Bad sequence ID";
- break;
- case TApplicationException_MISSING_RESULT:
- name = @"Missing result";
- break;
- case TApplicationException_INTERNAL_ERROR:
- name = @"Internal error";
- break;
- case TApplicationException_PROTOCOL_ERROR:
- name = @"Protocol error";
- break;
- case TApplicationException_INVALID_TRANSFORM:
- name = @"Invalid transform";
- break;
- case TApplicationException_INVALID_PROTOCOL:
- name = @"Invalid protocol";
- break;
- case TApplicationException_UNSUPPORTED_CLIENT_TYPE:
- name = @"Unsupported client type";
- break;
- default:
- name = @"Unknown";
- break;
- }
-
- self = [super initWithName: name reason: reason userInfo: nil];
- return self;
-}
-
-
-+ (TApplicationException *) read: (id <TProtocol>) protocol
-{
- NSString * reason = nil;
- int type = TApplicationException_UNKNOWN;
- int fieldType;
- int fieldID;
-
- [protocol readStructBeginReturningName: NULL];
-
- while (true) {
- [protocol readFieldBeginReturningName: NULL
- type: &fieldType
- fieldID: &fieldID];
- if (fieldType == TType_STOP) {
- break;
- }
- switch (fieldID) {
- case 1:
- if (fieldType == TType_STRING) {
- reason = [protocol readString];
- } else {
- [TProtocolUtil skipType: fieldType onProtocol: protocol];
- }
- break;
- case 2:
- if (fieldType == TType_I32) {
- type = [protocol readI32];
- } else {
- [TProtocolUtil skipType: fieldType onProtocol: protocol];
- }
- break;
- default:
- [TProtocolUtil skipType: fieldType onProtocol: protocol];
- break;
- }
- [protocol readFieldEnd];
- }
- [protocol readStructEnd];
-
- return [TApplicationException exceptionWithType: type reason: reason];
-}
-
-
-- (void) write: (id <TProtocol>) protocol
-{
- [protocol writeStructBeginWithName: @"TApplicationException"];
-
- if ([self reason] != nil) {
- [protocol writeFieldBeginWithName: @"message"
- type: TType_STRING
- fieldID: 1];
- [protocol writeString: [self reason]];
- [protocol writeFieldEnd];
- }
-
- [protocol writeFieldBeginWithName: @"type"
- type: TType_I32
- fieldID: 2];
- [protocol writeI32: mType];
- [protocol writeFieldEnd];
-
- [protocol writeFieldStop];
- [protocol writeStructEnd];
-}
-
-
-+ (TApplicationException *) exceptionWithType: (int) type
- reason: (NSString *) reason
-{
- return [[[TApplicationException alloc] initWithType: type
- reason: reason] autorelease_stub];
-}
-
-@end
http://git-wip-us.apache.org/repos/asf/thrift/blob/56e5b9b0/lib/cocoa/src/TBaseClient.h
----------------------------------------------------------------------
diff --git a/lib/cocoa/src/TBaseClient.h b/lib/cocoa/src/TBaseClient.h
index 12944b1..0f73aa0 100644
--- a/lib/cocoa/src/TBaseClient.h
+++ b/lib/cocoa/src/TBaseClient.h
@@ -18,13 +18,10 @@
*/
#import "TProtocol.h"
-#import "TApplicationException.h"
+#import "TApplicationError.h"
-@interface TBaseClient : NSObject {
- id <TProtocol> inProtocol;
- id <TProtocol> outProtocol;
-}
+@interface TBaseClient : NSObject
-- (TApplicationException *)checkIncomingMessageException;
+-(NSError *) checkIncomingMessageException:(id<TProtocol>)protocol;
@end
http://git-wip-us.apache.org/repos/asf/thrift/blob/56e5b9b0/lib/cocoa/src/TBaseClient.m
----------------------------------------------------------------------
diff --git a/lib/cocoa/src/TBaseClient.m b/lib/cocoa/src/TBaseClient.m
index d15f9d3..249cae0 100644
--- a/lib/cocoa/src/TBaseClient.m
+++ b/lib/cocoa/src/TBaseClient.m
@@ -18,29 +18,34 @@
*/
#import "TBaseClient.h"
-#import "TApplicationException.h"
-#import "TObjective-C.h"
+#import "TApplicationError.h"
+
+
+@interface TBaseClient ()
+@end
+
@implementation TBaseClient
-- (void) dealloc
+-(NSError *) checkIncomingMessageException:(id<TProtocol>)inProtocol
{
- [inProtocol release_stub];
- [outProtocol release_stub];
- [super dealloc_stub];
-}
+ NSError *thriftError;
-- (TApplicationException *)checkIncomingMessageException
-{
- int msgType = 0;
- [inProtocol readMessageBeginReturningName: nil type: &msgType sequenceID: NULL];
- if (msgType == TMessageType_EXCEPTION) {
- TApplicationException * x = [TApplicationException read: inProtocol];
- [inProtocol readMessageEnd];
- return x;
- }
-
- return nil;
+ SInt32 msgType = 0;
+ if (![inProtocol readMessageBeginReturningName:nil type:&msgType sequenceID:NULL error:&thriftError]) {
+ return thriftError;
+ }
+
+ if (msgType == TMessageTypeEXCEPTION) {
+
+ thriftError = [NSError read:inProtocol];
+
+ [inProtocol readMessageEnd:NULL];
+
+ return thriftError;
+ }
+
+ return nil;
}
@end
http://git-wip-us.apache.org/repos/asf/thrift/blob/56e5b9b0/lib/cocoa/src/TBinary.swift
----------------------------------------------------------------------
diff --git a/lib/cocoa/src/TBinary.swift b/lib/cocoa/src/TBinary.swift
new file mode 100644
index 0000000..c8a3660
--- /dev/null
+++ b/lib/cocoa/src/TBinary.swift
@@ -0,0 +1,122 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you 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
+ *
+ * http://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.
+ */
+
+import Foundation
+
+
+public struct TBinary : TSerializable {
+
+ public static var thriftType : TType { return .STRING }
+
+ private var storage : NSData
+
+ public init() {
+ self.storage = NSData()
+ }
+
+ public init(contentsOfFile file: String, options: NSDataReadingOptions = []) throws {
+ self.storage = try NSData(contentsOfFile: file, options: options)
+ }
+
+ public init(contentsOfURL URL: NSURL, options: NSDataReadingOptions = []) throws {
+ self.storage = try NSData(contentsOfURL: URL, options: options)
+ }
+
+ public init?(base64EncodedData base64Data: NSData, options: NSDataBase64DecodingOptions = []) {
+ guard let storage = NSData(base64EncodedData: base64Data, options: options) else {
+ return nil
+ }
+ self.storage = storage
+ }
+
+ public init(data: NSData) {
+ self.storage = data
+ }
+
+ public var length : Int {
+ return storage.length
+ }
+
+ public var hashValue : Int {
+ return storage.hashValue
+ }
+
+ public var bytes : UnsafePointer<Void> {
+ return storage.bytes
+ }
+
+ public func getBytes(buffer: UnsafeMutablePointer<Void>, length: Int) {
+ storage.getBytes(buffer, length: length)
+ }
+
+ public func getBytes(buffer: UnsafeMutablePointer<Void>, range: Range<Int>) {
+ storage.getBytes(buffer, range: NSRange(range))
+ }
+
+ public func subBinaryWithRange(range: Range<Int>) -> TBinary {
+ return TBinary(data: storage.subdataWithRange(NSRange(range)))
+ }
+
+ public func writeToFile(path: String, options: NSDataWritingOptions = []) throws {
+ try storage.writeToFile(path, options: options)
+ }
+
+ public func writeToURL(url: NSURL, options: NSDataWritingOptions = []) throws {
+ try storage.writeToURL(url, options: options)
+ }
+
+ public func rangeOfData(dataToFind data: NSData, options: NSDataSearchOptions, range: Range<Int>) -> Range<Int>? {
+ return storage.rangeOfData(data, options: options, range: NSRange(range)).toRange()
+ }
+
+ public func enumerateByteRangesUsingBlock(block: (UnsafePointer<Void>, Range<Int>, inout Bool) -> Void) {
+ storage.enumerateByteRangesUsingBlock { bytes, range, stop in
+ var stopTmp = Bool(stop.memory)
+ block(bytes, range.toRange()!, &stopTmp)
+ stop.memory = ObjCBool(stopTmp)
+ }
+ }
+
+ public static func readValueFromProtocol(proto: TProtocol) throws -> TBinary {
+ var data : NSData?
+ try proto.readBinary(&data)
+ return TBinary(data: data!)
+ }
+
+ public static func writeValue(value: TBinary, toProtocol proto: TProtocol) throws {
+ try proto.writeBinary(value.storage)
+ }
+
+}
+
+extension TBinary : CustomStringConvertible, CustomDebugStringConvertible {
+
+ public var description : String {
+ return storage.description
+ }
+
+ public var debugDescription : String {
+ return storage.debugDescription
+ }
+
+}
+
+public func ==(lhs: TBinary, rhs: TBinary) -> Bool {
+ return lhs.storage == rhs.storage
+}