diff options
Diffstat (limited to 'compiler/cpp/src/thrift/generate/t_cocoa_generator.cc')
| -rw-r--r-- | compiler/cpp/src/thrift/generate/t_cocoa_generator.cc | 3309 |
1 files changed, 0 insertions, 3309 deletions
diff --git a/compiler/cpp/src/thrift/generate/t_cocoa_generator.cc b/compiler/cpp/src/thrift/generate/t_cocoa_generator.cc deleted file mode 100644 index ac644f5c5..000000000 --- a/compiler/cpp/src/thrift/generate/t_cocoa_generator.cc +++ /dev/null @@ -1,3309 +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. - */ - -#include <string> -#include <fstream> -#include <iostream> -#include <vector> - -#include <stdlib.h> -#include <sys/stat.h> -#include <sstream> -#include "thrift/platform.h" -#include "thrift/generate/t_oop_generator.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 - -/** - * Objective-C code generator. - * - * mostly copy/pasting/tweaking from mcslee's work. - */ -class t_cocoa_generator : public t_oop_generator { -public: - t_cocoa_generator(t_program* program, - const std::map<std::string, std::string>& parsed_options, - const std::string& option_string) - : t_oop_generator(program) { - (void)option_string; - std::map<std::string, std::string>::const_iterator iter; - - log_unexpected_ = false; - validate_required_ = false; - async_clients_ = false; - promise_kit_ = false; - debug_descriptions_ = false; - pods_ = false; - for( iter = parsed_options.begin(); iter != parsed_options.end(); ++iter) { - if( iter->first.compare("log_unexpected") == 0) { - log_unexpected_ = true; - } else if( iter->first.compare("validate_required") == 0) { - validate_required_ = true; - } else if( iter->first.compare("async_clients") == 0) { - async_clients_ = true; - } else if( iter->first.compare("promise_kit") == 0) { - promise_kit_ = true; - } else if( iter->first.compare("debug_descriptions") == 0) { - debug_descriptions_ = true; - } else if( iter->first.compare("pods") == 0) { - pods_ = true; - } else { - throw "unknown option cocoa:" + iter->first; - } - } - - out_dir_base_ = "gen-cocoa"; - } - - /** - * Init and close methods - */ - - void init_generator(); - void close_generator(); - - void generate_consts(std::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); - std::string render_const_value(ostream& out, - t_type* type, - t_const_value* value, - bool box_it = false); - - void generate_cocoa_struct(t_struct* tstruct, bool is_exception); - void generate_cocoa_struct_interface(std::ostream& out, - t_struct* tstruct, - bool is_xception = false); - void generate_cocoa_struct_implementation(std::ostream& out, - t_struct* tstruct, - bool is_xception = false, - bool is_result = false); - void generate_cocoa_struct_initializer_signature(std::ostream& out, t_struct* tstruct); - void generate_cocoa_struct_init_with_coder_method(ostream& out, - t_struct* tstruct, - bool is_exception); - void generate_cocoa_struct_encode_with_coder_method(ostream& out, - t_struct* tstruct, - bool is_exception); - void generate_cocoa_struct_copy_method(ostream& out, - t_struct* tstruct, - bool is_exception); - void generate_cocoa_struct_hash_method(ostream& out, t_struct* tstruct); - void generate_cocoa_struct_is_equal_method(ostream& out, - t_struct* tstruct, - bool is_exception); - void generate_cocoa_struct_field_accessor_implementations(std::ostream& out, - t_struct* tstruct, - bool is_exception); - void generate_cocoa_struct_reader(std::ostream& out, t_struct* tstruct); - void generate_cocoa_struct_result_writer(std::ostream& out, t_struct* tstruct); - void generate_cocoa_struct_writer(std::ostream& out, t_struct* tstruct); - void generate_cocoa_struct_validator(std::ostream& out, t_struct* tstruct); - void generate_cocoa_struct_description(std::ostream& out, t_struct* tstruct); - - std::string function_result_helper_struct_type(t_service *tservice, t_function* tfunction); - std::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_cocoa_service_protocol(std::ostream& out, t_service* tservice); - void generate_cocoa_service_async_protocol(std::ostream& out, t_service* tservice); - - void generate_cocoa_service_client_interface(std::ostream& out, t_service* tservice); - void generate_cocoa_service_client_async_interface(std::ostream& out, t_service* tservice); - - void generate_cocoa_service_client_send_function_implementation(ostream& out, - t_service* tservice, - t_function* tfunction, - bool needs_protocol); - void generate_cocoa_service_client_send_function_invocation(ostream& out, t_function* tfunction); - void generate_cocoa_service_client_send_async_function_invocation(ostream& out, - t_function* tfunction, - string failureBlockName); - void generate_cocoa_service_client_recv_function_implementation(ostream& out, - t_service* tservice, - t_function* tfunction, - bool needs_protocol); - void generate_cocoa_service_client_implementation(std::ostream& out, t_service* tservice); - void generate_cocoa_service_client_async_implementation(std::ostream& out, t_service* tservice); - - void generate_cocoa_service_server_interface(std::ostream& out, t_service* tservice); - void generate_cocoa_service_server_implementation(std::ostream& out, t_service* tservice); - void generate_cocoa_service_helpers(t_service* tservice); - void generate_service_client(t_service* tservice); - void generate_service_server(t_service* tservice); - void generate_process_function(t_service* tservice, t_function* tfunction); - - /** - * Serialization constructs - */ - - void generate_deserialize_field(std::ostream& out, t_field* tfield, std::string fieldName); - - void generate_deserialize_struct(std::ostream& out, t_struct* tstruct, std::string prefix = ""); - - void generate_deserialize_container(std::ostream& out, t_type* ttype, std::string prefix = ""); - - void generate_deserialize_set_element(std::ostream& out, t_set* tset, std::string prefix = ""); - - void generate_deserialize_map_element(std::ostream& out, t_map* tmap, std::string prefix = ""); - - void generate_deserialize_list_element(std::ostream& out, - t_list* tlist, - std::string prefix = ""); - - void generate_serialize_field(std::ostream& out, t_field* tfield, std::string prefix = ""); - - void generate_serialize_struct(std::ostream& out, t_struct* tstruct, std::string fieldName = ""); - - void generate_serialize_container(std::ostream& out, t_type* ttype, std::string prefix = ""); - - void generate_serialize_map_element(std::ostream& out, - t_map* tmap, - std::string iter, - std::string map); - - void generate_serialize_set_element(std::ostream& out, t_set* tmap, std::string iter); - - void generate_serialize_list_element(std::ostream& out, - t_list* tlist, - std::string index, - std::string listName); - - /** - * Helper rendering functions - */ - - std::string cocoa_prefix(); - std::string cocoa_imports(); - std::string cocoa_thrift_imports(); - std::string type_name(t_type* ttype, bool class_ref = false, bool needs_mutable = false); - std::string element_type_name(t_type* ttype); - std::string base_type_name(t_base_type* tbase); - std::string declare_property(t_field* tfield); - std::string declare_property_isset(t_field* tfield); - std::string declare_property_unset(t_field* tfield); - std::string invalid_return_statement(t_function* tfunction); - std::string function_signature(t_function* tfunction, bool include_error); - std::string async_function_signature(t_function* tfunction, bool include_error); - std::string promise_function_signature(t_function* tfunction); - std::string argument_list(t_struct* tstruct, string protocol_name, bool include_error); - std::string type_to_enum(t_type* ttype); - std::string format_string_for_type(t_type* type); - std::string format_cast_for_type(t_type* type); - std::string call_field_setter(t_field* tfield, std::string fieldName); - std::string box(t_type *ttype, std::string field_name); - std::string unbox(t_type* ttype, std::string field_name); - std::string getter_name(string field_name); - std::string setter_name(string field_name); - - bool type_can_be_copy(t_type* ttype) { - ttype = get_true_type(ttype); - - return ttype->is_string(); - } - - bool type_can_be_null(t_type* ttype) { - ttype = get_true_type(ttype); - - return ttype->is_container() || ttype->is_struct() || ttype->is_xception() - || ttype->is_string(); - } - -private: - std::string cocoa_prefix_; - std::string constants_declarations_; - int error_constant_; - - /** - * File streams - */ - - ofstream_with_content_based_conditional_update f_header_; - ofstream_with_content_based_conditional_update f_impl_; - - bool log_unexpected_; - bool validate_required_; - bool async_clients_; - bool promise_kit_; - bool debug_descriptions_; - bool pods_; -}; - -/** - * Prepares for file generation by opening up the necessary file output - * streams. - */ -void t_cocoa_generator::init_generator() { - // Make output directory - MKDIR(get_out_dir().c_str()); - cocoa_prefix_ = program_->get_namespace("cocoa"); - - // we have a .h header file... - string f_header_name = cocoa_prefix_ + capitalize(program_name_) + ".h"; - string f_header_fullname = get_out_dir() + f_header_name; - f_header_.open(f_header_fullname.c_str()); - - f_header_ << autogen_comment() << endl; - - f_header_ << cocoa_imports() << cocoa_thrift_imports(); - - // ...and a .m implementation file - string f_impl_name = cocoa_prefix_ + capitalize(program_name_) + ".m"; - 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_ << cocoa_imports() << cocoa_thrift_imports() << "#import \"" << f_header_name << "\"" - << endl << endl; - - error_constant_ = 60000; -} - -/** - * Prints standard Cocoa imports - * - * @return List of imports for Cocoa libraries - */ -string t_cocoa_generator::cocoa_imports() { - return string() + "#import <Foundation/Foundation.h>\n" + "\n"; -} - -/** - * Prints thrift runtime imports - * - * @return List of imports necessary for thrift runtime - */ -string t_cocoa_generator::cocoa_thrift_imports() { - - vector<string> includes_list; - includes_list.push_back("TProtocol.h"); - includes_list.push_back("TProtocolFactory.h"); - includes_list.push_back("TApplicationError.h"); - includes_list.push_back("TProtocolError.h"); - includes_list.push_back("TProtocolUtil.h"); - includes_list.push_back("TProcessor.h"); - includes_list.push_back("TBase.h"); - includes_list.push_back("TAsyncTransport.h"); - includes_list.push_back("TBaseClient.h"); - - std::ostringstream includes; - - vector<string>::const_iterator i_iter; - for (i_iter=includes_list.begin(); i_iter!=includes_list.end(); ++i_iter) { - includes << "#import "; - if (pods_) { - includes << "<Thrift/" << *i_iter << ">"; - } else { - includes << "\"" << *i_iter << "\""; - } - includes << endl; - } - - includes << endl; - - if (promise_kit_) { - includes << "#import "; - if (pods_) { - includes << "<PromiseKit/PromiseKit.h>"; - } else { - includes << "\"PromiseKit.h\""; - } - includes << endl; - } - - // Include other Thrift includes - const vector<t_program*>& other_includes = program_->get_includes(); - for (size_t i = 0; i < other_includes.size(); ++i) { - includes << "#import \"" - << other_includes[i]->get_namespace("cocoa") - << capitalize(other_includes[i]->get_name()) - << ".h\"" << endl; - } - - includes << endl; - - return includes.str(); -} - -/** - * Finish up generation. - */ -void t_cocoa_generator::close_generator() { - // stick our constants declarations at the end of the header file - // since they refer to things we are defining. - f_header_ << constants_declarations_ << endl; -} - -/** - * Generates a typedef. This is just a simple 1-liner in objective-c - * - * @param ttypedef The type definition - */ -void t_cocoa_generator::generate_typedef(t_typedef* ttypedef) { - if (ttypedef->get_type()->is_map()) { - t_map *map = (t_map *)ttypedef->get_type(); - if (map->get_key_type()->is_struct()) { - f_header_ << indent() << "@class " << type_name(map->get_key_type(), true) << ";" << endl; - } - if (map->get_val_type()->is_struct()) { - f_header_ << indent() << "@class " << type_name(map->get_val_type(), true) << ";" << endl; - } - } - else if (ttypedef->get_type()->is_set()) { - t_set *set = (t_set *)ttypedef->get_type(); - if (set->get_elem_type()->is_struct()) { - f_header_ << indent() << "@class " << type_name(set->get_elem_type(), true) << ";" << endl; - } - } - else if (ttypedef->get_type()->is_list()) { - t_list *list = (t_list *)ttypedef->get_type(); - if (list->get_elem_type()->is_struct()) { - f_header_ << indent() << "@class " << type_name(list->get_elem_type(), true) << ";" << endl; - } - } - f_header_ << indent() << "typedef " << type_name(ttypedef->get_type()) << " " << cocoa_prefix_ - << ttypedef->get_symbolic() << ";" << endl << endl; - if (ttypedef->get_type()->is_container()) { - f_header_ << indent() << "typedef " << type_name(ttypedef->get_type(), false, true) << " " << cocoa_prefix_ - << "Mutable" << ttypedef->get_symbolic() << ";" << endl << endl; - } -} - -/** - * Generates code for an enumerated type. In Objective-C, this is - * essentially the same as the thrift definition itself, instead using - * NS_ENUM keyword in Objective-C. For namespace purposes, the name of - * the enum is prefixed to each element in keeping with Cocoa & Swift - * standards. - * - * @param tenum The enumeration - */ -void t_cocoa_generator::generate_enum(t_enum* tenum) { - f_header_ << indent() << "typedef NS_ENUM(SInt32, " << cocoa_prefix_ << tenum->get_name() << ") {" << endl; - indent_up(); - - vector<t_enum_value*> constants = tenum->get_constants(); - vector<t_enum_value*>::iterator c_iter; - bool first = true; - for (c_iter = constants.begin(); c_iter != constants.end(); ++c_iter) { - if (first) { - first = false; - } else { - f_header_ << "," << endl; - } - f_header_ << indent() << cocoa_prefix_ << tenum->get_name() << (*c_iter)->get_name(); - f_header_ << " = " << (*c_iter)->get_value(); - } - - indent_down(); - f_header_ << endl << "};" << endl << endl; -} - -/** - * Generates a class that holds all the constants. - */ -void t_cocoa_generator::generate_consts(std::vector<t_const*> consts) { - std::ostringstream const_interface; - - const_interface << "FOUNDATION_EXPORT NSString *" << cocoa_prefix_ << capitalize(program_name_) << "ErrorDomain;" << endl - << endl; - - - bool needs_class = false; - - // 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()->get_true_type(); - if (!type->is_container() && !type->is_struct()) { - const_interface << "FOUNDATION_EXPORT " << type_name(type) << " " - << cocoa_prefix_ << capitalize((*c_iter)->get_name()) << ";" << endl; - } - else { - needs_class = true; - } - } - - - string constants_class_name = cocoa_prefix_ + capitalize(program_name_) + "Constants"; - - if (needs_class) { - - const_interface << endl; - - const_interface << "@interface " << constants_class_name << " : NSObject "; - scope_up(const_interface); - scope_down(const_interface); - - // getter method for each constant defined. - for (c_iter = consts.begin(); c_iter != consts.end(); ++c_iter) { - string name = (*c_iter)->get_name(); - t_type* type = (*c_iter)->get_type()->get_true_type(); - if (type->is_container() || type->is_struct()) { - t_type* type = (*c_iter)->get_type(); - const_interface << endl << "+ (" << type_name(type) << ") " << name << ";" << endl; - } - } - - const_interface << endl << "@end"; - } - - // this gets spit into the header file in ::close_generator - constants_declarations_ = const_interface.str(); - - f_impl_ << "NSString *" << cocoa_prefix_ << capitalize(program_name_) << "ErrorDomain = " - << "@\"" << cocoa_prefix_ << capitalize(program_name_) << "ErrorDomain\";" << endl << endl; - - // variables in the .m hold all simple constant values - for (c_iter = consts.begin(); c_iter != consts.end(); ++c_iter) { - string name = (*c_iter)->get_name(); - t_type* type = (*c_iter)->get_type(); - f_impl_ << type_name(type) << " " << cocoa_prefix_ << name; - t_type* ttype = type->get_true_type(); - if (!ttype->is_container() && !ttype->is_struct()) { - f_impl_ << " = " << render_const_value(f_impl_, type, (*c_iter)->get_value()); - } - f_impl_ << ";" << endl; - } - f_impl_ << endl; - - if (needs_class) { - - f_impl_ << "@implementation " << constants_class_name << endl << endl; - - // initialize complex constants when the class is loaded - f_impl_ << "+ (void) initialize "; - scope_up(f_impl_); - - for (c_iter = consts.begin(); c_iter != consts.end(); ++c_iter) { - t_type* ttype = (*c_iter)->get_type()->get_true_type(); - if (ttype->is_container() || ttype->is_struct()) { - f_impl_ << endl; - print_const_value(f_impl_, - cocoa_prefix_ + (*c_iter)->get_name(), - (*c_iter)->get_type(), - (*c_iter)->get_value(), - false); - f_impl_ << ";" << endl; - } - } - scope_down(f_impl_); - - // getter method for each constant - for (c_iter = consts.begin(); c_iter != consts.end(); ++c_iter) { - string name = (*c_iter)->get_name(); - t_type* type = (*c_iter)->get_type()->get_true_type(); - if (type->is_container() || type->is_struct()) { - f_impl_ << endl << "+ (" << type_name(type) << ") " << name << " "; - scope_up(f_impl_); - indent(f_impl_) << "return " << cocoa_prefix_ << name << ";" << endl; - scope_down(f_impl_); - } - } - - f_impl_ << "@end" << endl << endl; - } -} - -/** - * Generates a struct definition for a thrift data type. This is a class - * with protected data members, read(), write(), and getters and setters. - * - * @param tstruct The struct definition - */ -void t_cocoa_generator::generate_struct(t_struct* tstruct) { - generate_cocoa_struct_interface(f_header_, tstruct, false); - generate_cocoa_struct_implementation(f_impl_, tstruct, false); -} - -/** - * Exceptions are structs, but they inherit from NSException - * - * @param tstruct The struct definition - */ -void t_cocoa_generator::generate_xception(t_struct* txception) { - generate_cocoa_struct_interface(f_header_, txception, true); - generate_cocoa_struct_implementation(f_impl_, txception, true); -} - -/** - * Generate the interface for a struct - * - * @param tstruct The struct definition - */ -void t_cocoa_generator::generate_cocoa_struct_interface(ostream& out, - t_struct* tstruct, - bool is_exception) { - - if (is_exception) { - out << "enum {" << endl - << " " << cocoa_prefix_ << capitalize(program_name_) << "Error" << tstruct->get_name() << " = -" << error_constant_++ << endl - << "};" << endl - << endl; - } - - out << "@interface " << cocoa_prefix_ << tstruct->get_name() << " : "; - - if (is_exception) { - out << "NSError "; - } else { - out << "NSObject "; - } - out << "<TBase, NSCoding, NSCopying> " << endl; - - out << endl; - - // properties - const vector<t_field*>& members = tstruct->get_members(); - if (members.size() > 0) { - vector<t_field*>::const_iterator m_iter; - for (m_iter = members.begin(); m_iter != members.end(); ++m_iter) { - out << indent() << declare_property(*m_iter) << endl; - out << indent() << declare_property_isset(*m_iter) << endl; - out << indent() << declare_property_unset(*m_iter) << endl; - out << endl; - } - } - - out << endl; - - // initializer for all fields - if (!members.empty()) { - generate_cocoa_struct_initializer_signature(out, tstruct); - out << ";" << endl; - } - out << endl; - - out << "@end" << endl << endl; -} - -/** - * Generate signature for initializer of struct with a parameter for - * each field. - */ -void t_cocoa_generator::generate_cocoa_struct_initializer_signature(ostream& out, - t_struct* tstruct) { - const vector<t_field*>& members = tstruct->get_members(); - vector<t_field*>::const_iterator m_iter; - indent(out) << "- (instancetype) initWith"; - for (m_iter = members.begin(); m_iter != members.end();) { - if (m_iter == members.begin()) { - out << capitalize((*m_iter)->get_name()); - } else { - out << (*m_iter)->get_name(); - } - out << ": (" << type_name((*m_iter)->get_type()) << ") " << (*m_iter)->get_name(); - ++m_iter; - if (m_iter != members.end()) { - out << " "; - } - } -} - -/** - * Generate the initWithCoder method for this struct so it's compatible with - * the NSCoding protocol - */ -void t_cocoa_generator::generate_cocoa_struct_init_with_coder_method(ostream& out, - t_struct* tstruct, - bool is_exception) { - - indent(out) << "- (instancetype) initWithCoder: (NSCoder *) decoder" << endl; - scope_up(out); - - if (is_exception) { - // NSExceptions conform to NSCoding, so we can call super - indent(out) << "self = [super initWithCoder: decoder];" << endl; - } else { - indent(out) << "self = [super init];" << endl; - } - - indent(out) << "if (self) "; - scope_up(out); - - 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) { - t_type* t = get_true_type((*m_iter)->get_type()); - out << indent() << "if ([decoder containsValueForKey: @\"" << (*m_iter)->get_name() << "\"])" - << endl; - scope_up(out); - out << indent() << "_" << (*m_iter)->get_name() << " = "; - if (type_can_be_null(t)) { - out << "[decoder decodeObjectForKey: @\"" << (*m_iter)->get_name() << "\"];" - << endl; - } else if (t->is_enum()) { - out << "[decoder decodeIntForKey: @\"" << (*m_iter)->get_name() << "\"];" << endl; - } else { - t_base_type::t_base tbase = ((t_base_type*)t)->get_base(); - switch (tbase) { - case t_base_type::TYPE_BOOL: - out << "[decoder decodeBoolForKey: @\"" << (*m_iter)->get_name() << "\"];" << endl; - break; - case t_base_type::TYPE_I8: - out << "[decoder decodeIntForKey: @\"" << (*m_iter)->get_name() << "\"];" << endl; - break; - case t_base_type::TYPE_I16: - out << "[decoder decodeIntForKey: @\"" << (*m_iter)->get_name() << "\"];" << endl; - break; - case t_base_type::TYPE_I32: - out << "[decoder decodeInt32ForKey: @\"" << (*m_iter)->get_name() << "\"];" << endl; - break; - case t_base_type::TYPE_I64: - out << "[decoder decodeInt64ForKey: @\"" << (*m_iter)->get_name() << "\"];" << endl; - break; - case t_base_type::TYPE_DOUBLE: - out << "[decoder decodeDoubleForKey: @\"" << (*m_iter)->get_name() << "\"];" << endl; - break; - default: - throw "compiler error: don't know how to decode thrift type: " - + t_base_type::t_base_name(tbase); - } - } - out << indent() << "_" << (*m_iter)->get_name() << "IsSet = YES;" << endl; - scope_down(out); - } - - scope_down(out); - - out << indent() << "return self;" << endl; - scope_down(out); - out << endl; -} - -/** - * Generate the encodeWithCoder method for this struct so it's compatible with - * the NSCoding protocol - */ -void t_cocoa_generator::generate_cocoa_struct_encode_with_coder_method(ostream& out, - t_struct* tstruct, - bool is_exception) { - - indent(out) << "- (void) encodeWithCoder: (NSCoder *) encoder" << endl; - scope_up(out); - - if (is_exception) { - // NSExceptions conform to NSCoding, so we can call super - out << indent() << "[super encodeWithCoder: encoder];" << endl; - } - - 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) { - t_type* t = get_true_type((*m_iter)->get_type()); - out << indent() << "if (_" << (*m_iter)->get_name() << "IsSet)" << endl; - scope_up(out); - if (type_can_be_null(t)) { - out << indent() << "[encoder encodeObject: _" << (*m_iter)->get_name() << " forKey: @\"" - << (*m_iter)->get_name() << "\"];" << endl; - } else if (t->is_enum()) { - out << indent() << "[encoder encodeInt: _" << (*m_iter)->get_name() << " forKey: @\"" - << (*m_iter)->get_name() << "\"];" << endl; - } else { - t_base_type::t_base tbase = ((t_base_type*)t)->get_base(); - switch (tbase) { - case t_base_type::TYPE_BOOL: - out << indent() << "[encoder encodeBool: _" << (*m_iter)->get_name() << " forKey: @\"" - << (*m_iter)->get_name() << "\"];" << endl; - break; - case t_base_type::TYPE_I8: - out << indent() << "[encoder encodeInt: _" << (*m_iter)->get_name() << " forKey: @\"" - << (*m_iter)->get_name() << "\"];" << endl; - break; - case t_base_type::TYPE_I16: - out << indent() << "[encoder encodeInt: _" << (*m_iter)->get_name() << " forKey: @\"" - << (*m_iter)->get_name() << "\"];" << endl; - break; - case t_base_type::TYPE_I32: - out << indent() << "[encoder encodeInt32: _" << (*m_iter)->get_name() << " forKey: @\"" - << (*m_iter)->get_name() << "\"];" << endl; - break; - case t_base_type::TYPE_I64: - out << indent() << "[encoder encodeInt64: _" << (*m_iter)->get_name() << " forKey: @\"" - << (*m_iter)->get_name() << "\"];" << endl; - break; - case t_base_type::TYPE_DOUBLE: - out << indent() << "[encoder encodeDouble: _" << (*m_iter)->get_name() << " forKey: @\"" - << (*m_iter)->get_name() << "\"];" << endl; - break; - default: - throw "compiler error: don't know how to encode thrift type: " - + t_base_type::t_base_name(tbase); - } - } - scope_down(out); - } - - scope_down(out); - out << endl; -} - -/** - * Generate the copy method for this struct - */ -void t_cocoa_generator::generate_cocoa_struct_copy_method(ostream& out, t_struct* tstruct, bool is_exception) { - out << indent() << "- (instancetype) copyWithZone:(NSZone *)zone" << endl; - scope_up(out); - - if (is_exception) { - out << indent() << type_name(tstruct) << " val = [" << cocoa_prefix_ << tstruct->get_name() << " errorWithDomain: self.domain code: self.code userInfo: self.userInfo];" << endl; - } else { - out << indent() << type_name(tstruct) << " val = [" << cocoa_prefix_ << tstruct->get_name() << " new];" << endl; - } - - 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) { - t_type* t = get_true_type((*m_iter)->get_type()); - out << indent() << "if (_" << (*m_iter)->get_name() << "IsSet)" << endl; - scope_up(out); - if (type_can_be_null(t)) { - out << indent() << "val." << (*m_iter)->get_name() << " = [self." << (*m_iter)->get_name() << " copy];"; - } else { - out << indent() << "val." << (*m_iter)->get_name() << " = self." << (*m_iter)->get_name() << ";"; - } - out << endl; - scope_down(out); - } - - out << indent() << "return val;" << endl; - - scope_down(out); - out << endl; -} - -/** - * Generate the hash method for this struct - */ -void t_cocoa_generator::generate_cocoa_struct_hash_method(ostream& out, t_struct* tstruct) { - indent(out) << "- (NSUInteger) hash" << endl; - scope_up(out); - out << indent() << "NSUInteger hash = 17;" << endl; - - 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) { - t_type* t = get_true_type((*m_iter)->get_type()); - out << indent() << "hash = (hash * 31) ^ _" << (*m_iter)->get_name() - << "IsSet ? 2654435761 : 0;" << endl; - out << indent() << "if (_" << (*m_iter)->get_name() << "IsSet)" << endl; - scope_up(out); - if (type_can_be_null(t)) { - out << indent() << "hash = (hash * 31) ^ [_" << (*m_iter)->get_name() << " hash];" << endl; - } else { - out << indent() << "hash = (hash * 31) ^ [@(_" << (*m_iter)->get_name() << ") hash];" - << endl; - } - scope_down(out); - } - - out << indent() << "return hash;" << endl; - scope_down(out); - out << endl; -} - -/** - * Generate the isEqual method for this struct - */ -void t_cocoa_generator::generate_cocoa_struct_is_equal_method(ostream& out, t_struct* tstruct, bool is_exception) { - indent(out) << "- (BOOL) isEqual: (id) anObject" << endl; - scope_up(out); - - indent(out) << "if (self == anObject) {" << endl; - indent_up(); - indent(out) << "return YES;" << endl; - indent_down(); - indent(out) << "}" << endl; - - string class_name = cocoa_prefix_ + tstruct->get_name(); - - if (is_exception) { - indent(out) << "if (![super isEqual:anObject]) {" << endl; - indent_up(); - indent(out) << "return NO;" << endl; - indent_down(); - indent(out) << "}" << endl << endl; - } - else { - indent(out) << "if (![anObject isKindOfClass:[" << class_name << " class]]) {" << endl; - indent_up(); - indent(out) << "return NO;" << endl; - indent_down(); - indent(out) << "}" << endl; - } - - const vector<t_field*>& members = tstruct->get_members(); - vector<t_field*>::const_iterator m_iter; - - if (!members.empty()) { - indent(out) << class_name << " *other = (" << class_name << " *)anObject;" << endl; - - for (m_iter = members.begin(); m_iter != members.end(); ++m_iter) { - t_type* t = get_true_type((*m_iter)->get_type()); - string name = (*m_iter)->get_name(); - if (type_can_be_null(t)) { - out << indent() << "if ((_" << name << "IsSet != other->_" << name << "IsSet) ||" << endl - << indent() << " " - << "(_" << name << "IsSet && " - << "((_" << name << " || other->_" << name << ") && " - << "![_" << name << " isEqual:other->_" << name << "]))) {" << endl; - } else { - out << indent() << "if ((_" << name << "IsSet != other->_" << name << "IsSet) ||" << endl - << indent() << " " - << "(_" << name << "IsSet && " - << "(_" << name << " != other->_" << name << "))) {" << endl; - } - indent_up(); - indent(out) << "return NO;" << endl; - indent_down(); - indent(out) << "}" << endl; - } - } - - out << indent() << "return YES;" << endl; - scope_down(out); - out << endl; -} - -/** - * Generate struct implementation. - * - * @param tstruct The struct definition - * @param is_exception Is this an exception? - * @param is_result If this is a result it needs a different writer - */ -void t_cocoa_generator::generate_cocoa_struct_implementation(ostream& out, - t_struct* tstruct, - bool is_exception, - bool is_result) { - indent(out) << "@implementation " << cocoa_prefix_ << tstruct->get_name() << endl << endl; - - const vector<t_field*>& members = tstruct->get_members(); - vector<t_field*>::const_iterator m_iter; - - // exceptions need to call the designated initializer on NSException - if (is_exception) { - out << indent() << "- (instancetype) init" << endl; - scope_up(out); - out << indent() << "return [super initWithDomain: " << cocoa_prefix_ << capitalize(program_name_) << "ErrorDomain" << endl - << indent() << " code: " << cocoa_prefix_ << capitalize(program_name_) << "Error" << tstruct->get_name() << endl - << indent() << " userInfo: nil];" << endl; - scope_down(out); - out << endl; - } else { - // struct - - // default initializer - // setup instance variables with default values - indent(out) << "- (instancetype) init" << endl; - scope_up(out); - indent(out) << "self = [super init];" << endl; - indent(out) << "if (self)"; - scope_up(out); - if (members.size() > 0) { - for (m_iter = members.begin(); m_iter != members.end(); ++m_iter) { - t_type* t = get_true_type((*m_iter)->get_type()); - if ((*m_iter)->get_value() != NULL) { - print_const_value(out, - "self." + (*m_iter)->get_name(), - t, - (*m_iter)->get_value(), - false); - } - } - } - scope_down(out); - indent(out) << "return self;" << endl; - scope_down(out); - out << endl; - } - - // initializer with all fields as params - if (!members.empty()) { - generate_cocoa_struct_initializer_signature(out, tstruct); - out << endl; - scope_up(out); - if (is_exception) { - out << indent() << "self = [self init];" << endl; - } else { - out << indent() << "self = [super init];" << endl; - } - - indent(out) << "if (self)"; - scope_up(out); - for (m_iter = members.begin(); m_iter != members.end(); ++m_iter) { - out << indent() << "_" << (*m_iter)->get_name() << " = "; - if (get_true_type((*m_iter)->get_type())->is_container()) { - out << "[" << (*m_iter)->get_name() << " mutableCopy];" << endl; - } else { - out << (*m_iter)->get_name() << ";" << endl; - } - out << indent() << "_" << (*m_iter)->get_name() << "IsSet = YES;" << endl; - } - scope_down(out); - - out << indent() << "return self;" << endl; - scope_down(out); - out << endl; - } - - // initWithCoder for NSCoding - generate_cocoa_struct_init_with_coder_method(out, tstruct, is_exception); - // encodeWithCoder for NSCoding - generate_cocoa_struct_encode_with_coder_method(out, tstruct, is_exception); - // hash and isEqual for NSObject - generate_cocoa_struct_hash_method(out, tstruct); - generate_cocoa_struct_is_equal_method(out, tstruct, is_exception); - // copy for NSObject - generate_cocoa_struct_copy_method(out, tstruct, is_exception); - - // the rest of the methods - generate_cocoa_struct_field_accessor_implementations(out, tstruct, is_exception); - generate_cocoa_struct_reader(out, tstruct); - if (is_result) { - generate_cocoa_struct_result_writer(out, tstruct); - } else { - generate_cocoa_struct_writer(out, tstruct); - } - generate_cocoa_struct_validator(out, tstruct); - generate_cocoa_struct_description(out, tstruct); - - out << "@end" << endl << endl; -} - -/** - * Generates a function to read all the fields of the struct. - * - * @param tstruct The struct definition - */ -void t_cocoa_generator::generate_cocoa_struct_reader(ostream& out, t_struct* tstruct) { - out << "- (BOOL) read: (id <TProtocol>) inProtocol error: (NSError *__autoreleasing *)__thriftError" << endl; - scope_up(out); - - const vector<t_field*>& fields = tstruct->get_members(); - vector<t_field*>::const_iterator f_iter; - - // Declare stack tmp variables - indent(out) << "NSString * fieldName;" << endl; - indent(out) << "SInt32 fieldType;" << endl; - indent(out) << "SInt32 fieldID;" << endl; - out << endl; - - indent(out) << "if (![inProtocol readStructBeginReturningName: NULL error: __thriftError]) return NO;" << endl; - - // Loop over reading in fields - indent(out) << "while (true)" << endl; - scope_up(out); - - // Read beginning field marker - indent(out) - << "if (![inProtocol readFieldBeginReturningName: &fieldName type: &fieldType fieldID: &fieldID error: __thriftError]) return NO;" - << endl; - - // Check for field STOP marker and break - indent(out) << "if (fieldType == TTypeSTOP) { " << endl; - indent_up(); - indent(out) << "break;" << endl; - indent_down(); - indent(out) << "}" << endl; - - // Switch statement on the field we are reading - indent(out) << "switch (fieldID)" << endl; - - scope_up(out); - - // Generate deserialization code for known cases - for (f_iter = fields.begin(); f_iter != fields.end(); ++f_iter) { - indent(out) << "case " << (*f_iter)->get_key() << ":" << endl; - indent_up(); - indent(out) << "if (fieldType == " << type_to_enum((*f_iter)->get_type()) << ") {" << endl; - indent_up(); - - generate_deserialize_field(out, *f_iter, "fieldValue"); - indent(out) << call_field_setter(*f_iter, "fieldValue") << endl; - - indent_down(); - out << indent() << "} else { " << endl; - if (log_unexpected_) { - out << indent() << " NSLog(@\"%s: field ID %i has unexpected type %i. Skipping.\", " - "__PRETTY_FUNCTION__, (int)fieldID, (int)fieldType);" << endl; - } - - out << indent() << " if (![TProtocolUtil skipType: fieldType onProtocol: inProtocol error: __thriftError]) return NO;" << endl; - out << indent() << "}" << endl << indent() << "break;" << endl; - indent_down(); - } - - // In the default case we skip the field - out << indent() << "default:" << endl; - if (log_unexpected_) { - out << indent() << " NSLog(@\"%s: unexpected field ID %i with type %i. Skipping.\", " - "__PRETTY_FUNCTION__, (int)fieldID, (int)fieldType);" << endl; - } - - out << indent() << " if (![TProtocolUtil skipType: fieldType onProtocol: inProtocol error: __thriftError]) return NO;" << endl; - - out << indent() << " break;" << endl; - - scope_down(out); - - // Read field end marker - indent(out) << "if (![inProtocol readFieldEnd: __thriftError]) return NO;" << endl; - - scope_down(out); - - out << indent() << "if (![inProtocol readStructEnd: __thriftError]) return NO;" << endl; - - // performs various checks (e.g. check that all required fields are set) - if (validate_required_) { - out << indent() << "if (![self validate: __thriftError]) return NO;" << endl; - } - - indent(out) << "return YES;" << endl; - - indent_down(); - out << indent() << "}" << endl << endl; -} - -/** - * Generates a function to write all the fields of the struct - * - * @param tstruct The struct definition - */ -void t_cocoa_generator::generate_cocoa_struct_writer(ostream& out, t_struct* tstruct) { - out << indent() << "- (BOOL) write: (id <TProtocol>) outProtocol error: (NSError *__autoreleasing *)__thriftError {" << endl; - indent_up(); - - string name = tstruct->get_name(); - const vector<t_field*>& fields = tstruct->get_members(); - vector<t_field*>::const_iterator f_iter; - - out << indent() << "if (![outProtocol writeStructBeginWithName: @\"" << name << "\" error: __thriftError]) return NO;" << endl; - - for (f_iter = fields.begin(); f_iter != fields.end(); ++f_iter) { - out << indent() << "if (_" << (*f_iter)->get_name() << "IsSet) {" << endl; - indent_up(); - bool null_allowed = type_can_be_null((*f_iter)->get_type()); - if (null_allowed) { - out << indent() << "if (_" << (*f_iter)->get_name() << " != nil) {" << endl; - indent_up(); - } - - indent(out) << "if (![outProtocol writeFieldBeginWithName: @\"" << (*f_iter)->get_name() - << "\" type: " << type_to_enum((*f_iter)->get_type()) - << " fieldID: " << (*f_iter)->get_key() << " error: __thriftError]) return NO;" << endl; - - // Write field contents - generate_serialize_field(out, *f_iter, "_" + (*f_iter)->get_name()); - - // Write field closer - indent(out) << "if (![outProtocol writeFieldEnd: __thriftError]) return NO;" << endl; - - if (null_allowed) { - scope_down(out); - } - scope_down(out); - } - // Write the struct map - out << indent() << "if (![outProtocol writeFieldStop: __thriftError]) return NO;" << endl - << indent() << "if (![outProtocol writeStructEnd: __thriftError]) return NO;" << endl; - - indent(out) << "return YES;" << endl; - - indent_down(); - out << indent() << "}" << endl << endl; -} - -/** - * Generates a function to write all the fields of the struct, which - * is a function result. These fields are only written if they are - * set, and only one of them can be set at a time. - * - * @param tstruct The struct definition - */ -void t_cocoa_generator::generate_cocoa_struct_result_writer(ostream& out, t_struct* tstruct) { - out << indent() << "- (BOOL) write: (id <TProtocol>) outProtocol error: (NSError *__autoreleasing *)__thriftError {" << endl; - indent_up(); - - string name = tstruct->get_name(); - const vector<t_field*>& fields = tstruct->get_members(); - vector<t_field*>::const_iterator f_iter; - - out << indent() << "if (![outProtocol writeStructBeginWithName: @\"" << name << "\" error: __thriftError]) return NO;" << endl; - - bool first = true; - for (f_iter = fields.begin(); f_iter != fields.end(); ++f_iter) { - if (first) { - first = false; - out << endl << indent() << "if "; - } else { - out << " else if "; - } - - out << "(_" << (*f_iter)->get_name() << "IsSet) {" << endl; - indent_up(); - - bool null_allowed = type_can_be_null((*f_iter)->get_type()); - if (null_allowed) { - out << indent() << "if (_" << (*f_iter)->get_name() << " != nil) {" << endl; - indent_up(); - } - - indent(out) << "if (![outProtocol writeFieldBeginWithName: @\"" << (*f_iter)->get_name() - << "\" type: " << type_to_enum((*f_iter)->get_type()) - << " fieldID: " << (*f_iter)->get_key() << " error: __thriftError]) return NO;" << endl; - - // Write field contents - generate_serialize_field(out, *f_iter, "_" + (*f_iter)->get_name()); - - // Write field closer - indent(out) << "if (![outProtocol writeFieldEnd: __thriftError]) return NO;" << endl; - - if (null_allowed) { - indent_down(); - indent(out) << "}" << endl; - } - - indent_down(); - indent(out) << "}"; - } - // Write the struct map - out << endl << indent() << "if (![outProtocol writeFieldStop: __thriftError]) return NO;" - << endl << indent() << "if (![outProtocol writeStructEnd: __thriftError]) return NO;" - << endl; - - indent(out) << "return YES;" << endl; - - indent_down(); - out << indent() << "}" << endl << endl; -} - -/** - * Generates a function to perform various checks - * (e.g. check that all required fields are set) - * - * @param tstruct The struct definition - */ -void t_cocoa_generator::generate_cocoa_struct_validator(ostream& out, t_struct* tstruct) { - out << indent() << "- (BOOL) validate: (NSError *__autoreleasing *)__thriftError {" << endl; - indent_up(); - - const vector<t_field*>& fields = tstruct->get_members(); - vector<t_field*>::const_iterator f_iter; - - out << indent() << "// check for required fields" << endl; - for (f_iter = fields.begin(); f_iter != fields.end(); ++f_iter) { - t_field* field = (*f_iter); - if ((*f_iter)->get_req() == t_field::T_REQUIRED) { - out << indent() << "if (!_" << field->get_name() << "IsSet) "; - scope_up(out); - indent(out) << "if (__thriftError) "; - scope_up(out); - out << indent() << "*__thriftError = [NSError errorWithDomain: TProtocolErrorDomain" << endl - << indent() << " code: TProtocolErrorUnknown" << endl - << indent() << " userInfo: @{TProtocolErrorExtendedErrorKey: @(TProtocolExtendedErrorMissingRequiredField)," << endl - << indent() << " TProtocolErrorFieldNameKey: @\"" << (*f_iter)->get_name() << "\"}];" << endl; - scope_down(out); - scope_down(out); - } - } - indent(out) << "return YES;" << endl; - indent_down(); - out << indent() << "}" << endl << endl; -} - -/** - * Generate property accessor methods for all fields in the struct. - * getter, setter, isset getter. - * - * @param tstruct The struct definition - */ -void t_cocoa_generator::generate_cocoa_struct_field_accessor_implementations(ostream& out, - t_struct* tstruct, - bool is_exception) { - (void)is_exception; - 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) { - t_field* field = *f_iter; - t_type* type = get_true_type(field->get_type()); - std::string field_name = field->get_name(); - std::string cap_name = field_name; - cap_name[0] = toupper(cap_name[0]); - - // Simple setter - indent(out) << "- (void) set" << cap_name << ": (" << type_name(type, false, true) << ") " << field_name - << " {" << endl; - indent_up(); - indent(out) << "_" << field_name << " = " << field_name << ";" << endl; - indent(out) << "_" << field_name << "IsSet = YES;" << endl; - indent_down(); - indent(out) << "}" << endl << endl; - - // Unsetter - do we need this? - indent(out) << "- (void) unset" << cap_name << " {" << endl; - indent_up(); - if (type_can_be_null(type)) { - indent(out) << "_" << field_name << " = nil;" << endl; - } - indent(out) << "_" << field_name << "IsSet = NO;" << endl; - indent_down(); - indent(out) << "}" << endl << endl; - } -} - -/** - * Generates a description method for the given struct - * - * @param tstruct The struct definition - */ -void t_cocoa_generator::generate_cocoa_struct_description(ostream& out, t_struct* tstruct) { - - // Allow use of debugDescription so the app can add description via a cateogory/extension - if (debug_descriptions_) { - out << indent() << "- (NSString *) debugDescription {" << endl; - } - else { - out << indent() << "- (NSString *) description {" << endl; - } - indent_up(); - - out << indent() << "NSMutableString * ms = [NSMutableString stringWithString: @\"" - << cocoa_prefix_ << tstruct->get_name() << "(\"];" << endl; - - const vector<t_field*>& fields = tstruct->get_members(); - vector<t_field*>::const_iterator f_iter; - bool first = true; - for (f_iter = fields.begin(); f_iter != fields.end(); ++f_iter) { - if (first) { - first = false; - indent(out) << "[ms appendString: @\"" << (*f_iter)->get_name() << ":\"];" << endl; - } else { - indent(out) << "[ms appendString: @\"," << (*f_iter)->get_name() << ":\"];" << endl; - } - t_type* ttype = (*f_iter)->get_type(); - indent(out) << "[ms appendFormat: @\"" << format_string_for_type(ttype) << "\", " - << format_cast_for_type(ttype) << "_" << (*f_iter)->get_name() << "];" << endl; - } - out << indent() << "[ms appendString: @\")\"];" << endl << indent() - << "return [NSString stringWithString: ms];" << endl; - - indent_down(); - indent(out) << "}" << endl << endl; -} - -/** - * Generates a thrift service. In Objective-C this consists of a - * protocol definition, a client interface and a client implementation. - * - * @param tservice The service definition - */ -void t_cocoa_generator::generate_service(t_service* tservice) { - generate_cocoa_service_protocol(f_header_, tservice); - generate_cocoa_service_client_interface(f_header_, tservice); - generate_cocoa_service_server_interface(f_header_, tservice); - generate_cocoa_service_helpers(tservice); - generate_cocoa_service_client_implementation(f_impl_, tservice); - generate_cocoa_service_server_implementation(f_impl_, tservice); - if (async_clients_) { - generate_cocoa_service_async_protocol(f_header_, tservice); - generate_cocoa_service_client_async_interface(f_header_, tservice); - generate_cocoa_service_client_async_implementation(f_impl_, tservice); - } -} - -/** - * Generates structs for all the service return types - * - * @param tservice The service - */ -void t_cocoa_generator::generate_cocoa_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_cocoa_struct_interface(f_impl_, &qname_ts, false); - generate_cocoa_struct_implementation(f_impl_, &qname_ts, false, false); - generate_function_helpers(tservice, *f_iter); - } -} - -string t_cocoa_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_cocoa_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_cocoa_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)); - t_field success(tfunction->get_returntype(), "success", 0); - if (!tfunction->get_returntype()->is_void()) { - 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) { - result.append(*f_iter); - } - - // generate the result struct - generate_cocoa_struct_interface(f_impl_, &result, false); - generate_cocoa_struct_implementation(f_impl_, &result, false, true); -} - -/** - * Generates a service protocol definition. - * - * @param tservice The service to generate a protocol definition for - */ -void t_cocoa_generator::generate_cocoa_service_protocol(ostream& out, t_service* tservice) { - out << "@protocol " << cocoa_prefix_ << tservice->get_name() << " <NSObject>" << endl; - - 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 << "- " << function_signature(*f_iter, true) << ";" - << " // throws "; - t_struct* xs = (*f_iter)->get_xceptions(); - const std::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 << "TException" << endl; - } - out << "@end" << endl << endl; -} - -/** - * Generates an asynchronous service protocol definition. - * - * @param tservice The service to generate a protocol definition for - */ -void t_cocoa_generator::generate_cocoa_service_async_protocol(ostream& out, t_service* tservice) { - out << "@protocol " << cocoa_prefix_ << tservice->get_name() << "Async" - << " <NSObject>" << endl; - - 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 << "- " << async_function_signature(*f_iter, false) << ";" << endl; - if (promise_kit_) { - out << "- " << promise_function_signature(*f_iter) << ";" << endl; - } - } - out << "@end" << endl << endl; -} - -/** - * Generates a service client interface definition. - * - * @param tservice The service to generate a client interface definition for - */ -void t_cocoa_generator::generate_cocoa_service_client_interface(ostream& out, - t_service* tservice) { - out << "@interface " << cocoa_prefix_ << tservice->get_name() << "Client : TBaseClient <" - << cocoa_prefix_ << tservice->get_name() << "> " << endl; - - out << "- (id) initWithProtocol: (id <TProtocol>) protocol;" << endl; - out << "- (id) initWithInProtocol: (id <TProtocol>) inProtocol outProtocol: (id <TProtocol>) " - "outProtocol;" << endl; - out << "@end" << endl << endl; -} - -/** - * Generates a service client interface definition. - * - * @param tservice The service to generate a client interface definition for - */ -void t_cocoa_generator::generate_cocoa_service_client_async_interface(ostream& out, - t_service* tservice) { - out << "@interface " << cocoa_prefix_ << tservice->get_name() << "ClientAsync : TBaseClient <" - << cocoa_prefix_ << tservice->get_name() << "Async> " << endl - << endl; - - out << "- (id) initWithProtocolFactory: (id <TProtocolFactory>) protocolFactory " - << "transportFactory: (id <TAsyncTransportFactory>) transportFactory;" << endl; - out << "@end" << endl << 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_cocoa_generator::generate_cocoa_service_server_interface(ostream& out, - t_service* tservice) { - out << "@interface " << cocoa_prefix_ << tservice->get_name() - << "Processor : NSObject <TProcessor> " << endl; - - out << "- (id) initWith" << tservice->get_name() << ": (id <" << cocoa_prefix_ - << tservice->get_name() << ">) service;" << endl; - out << "- (id<" << cocoa_prefix_ << tservice->get_name() << ">) service;" << endl; - - out << "@end" << endl << endl; -} - -void t_cocoa_generator::generate_cocoa_service_client_send_function_implementation( - ostream& out, - t_service *tservice, - t_function* tfunction, - bool needs_protocol) { - string funname = tfunction->get_name(); - - t_function send_function(g_type_bool, - string("send_") + tfunction->get_name(), - tfunction->get_arglist()); - - string argsname = function_args_helper_struct_type(tservice, tfunction); - - // Open function - indent(out) << "- (BOOL) send_" << tfunction->get_name() << argument_list(tfunction->get_arglist(), needs_protocol ? "outProtocol" : "", true) << endl; - scope_up(out); - - // Serialize the request - out << indent() << "if (![outProtocol writeMessageBeginWithName: @\"" << funname << "\"" - << (tfunction->is_oneway() ? " type: TMessageTypeONEWAY" : " type: TMessageTypeCALL") - << " sequenceID: 0 error: __thriftError]) return NO;" << endl; - - out << indent() << "if (![outProtocol writeStructBeginWithName: @\"" << argsname - << "\" error: __thriftError]) return NO;" << endl; - - // write out function parameters - t_struct* arg_struct = tfunction->get_arglist(); - const vector<t_field*>& fields = arg_struct->get_members(); - vector<t_field*>::const_iterator fld_iter; - for (fld_iter = fields.begin(); fld_iter != fields.end(); ++fld_iter) { - string fieldName = (*fld_iter)->get_name(); - if (type_can_be_null((*fld_iter)->get_type())) { - out << indent() << "if (" << fieldName << " != nil)"; - scope_up(out); - } - out << indent() << "if (![outProtocol writeFieldBeginWithName: @\"" << fieldName - << "\"" - " type: " << type_to_enum((*fld_iter)->get_type()) - << " fieldID: " << (*fld_iter)->get_key() << " error: __thriftError]) return NO;" << endl; - - generate_serialize_field(out, *fld_iter, fieldName); - - out << indent() << "if (![outProtocol writeFieldEnd: __thriftError]) return NO;" << endl; - - if (type_can_be_null((*fld_iter)->get_type())) { - indent_down(); - out << indent() << "}" << endl; - } - } - - out << indent() << "if (![outProtocol writeFieldStop: __thriftError]) return NO;" << endl; - out << indent() << "if (![outProtocol writeStructEnd: __thriftError]) return NO;" << endl; - out << indent() << "if (![outProtocol writeMessageEnd: __thriftError]) return NO;" << endl; - out << indent() << "return YES;" << endl; - scope_down(out); - out << endl; -} - -void t_cocoa_generator::generate_cocoa_service_client_recv_function_implementation( - ostream& out, - t_service* tservice, - t_function* tfunction, - bool needs_protocol) { - - - // Open function - indent(out) << "- (BOOL) recv_" << tfunction->get_name(); - if (!tfunction->get_returntype()->is_void()) { - out << ": (" << type_name(tfunction->get_returntype(), false, true) << " *) result "; - if (needs_protocol) { - out << "protocol"; - } else { - out << "error"; - } - } - if (needs_protocol) { - out << ": (id<TProtocol>) inProtocol error"; - } - out << ": (NSError *__autoreleasing *)__thriftError" << endl; - scope_up(out); - - // TODO(mcslee): Message validation here, was the seqid etc ok? - - // check for an exception - out << indent() << "NSError *incomingException = [self checkIncomingMessageException: inProtocol];" << endl - << indent() << "if (incomingException)"; - scope_up(out); - out << indent() << "if (__thriftError)"; - scope_up(out); - out << indent() << "*__thriftError = incomingException;" << endl; - scope_down(out); - out << indent() << "return NO;" << endl; - scope_down(out); - - // FIXME - could optimize here to reduce creation of temporary objects. - string resultname = function_result_helper_struct_type(tservice, tfunction); - out << indent() << cocoa_prefix_ << resultname << " * resulter = [" << cocoa_prefix_ << resultname << " new];" << endl; - indent(out) << "if (![resulter read: inProtocol error: __thriftError]) return NO;" << endl; - indent(out) << "if (![inProtocol readMessageEnd: __thriftError]) return NO;" << endl; - - // Careful, only return _result if not a void function - if (!tfunction->get_returntype()->is_void()) { - out << indent() << "if (resulter.successIsSet)"; - scope_up(out); - out << indent() << "*result = resulter.success;" << endl; - out << indent() << "return YES;" << endl; - scope_down(out); - } - - t_struct* xs = tfunction->get_xceptions(); - const std::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 << indent() << "if (resulter." << (*x_iter)->get_name() << "IsSet)"; - scope_up(out); - out << indent() << "if (__thriftError)"; - scope_up(out); - out << indent() << "*__thriftError = [resulter " << (*x_iter)->get_name() << "];" << endl; - scope_down(out); - out << indent() << "return NO;" << endl; - scope_down(out); - } - - // If you get here it's an exception, unless a void function - if (tfunction->get_returntype()->is_void()) { - indent(out) << "return YES;" << endl; - } else { - out << indent() << "if (__thriftError)"; - scope_up(out); - out << indent() << "*__thriftError = [NSError errorWithDomain: TApplicationErrorDomain" << endl - << indent() << " code: TApplicationErrorMissingResult" << endl - << indent() << " userInfo: @{TApplicationErrorMethodKey: @\"" - << tfunction->get_name() << "\"}];" << endl; - scope_down(out); - out << indent() << "return NO;" << endl; - } - - // Close function - scope_down(out); - out << endl; -} - -/** - * Generates an invocation of a given 'send_' function. - * - * @param tfunction The service to generate an implementation for - */ -void t_cocoa_generator::generate_cocoa_service_client_send_function_invocation( - ostream& 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 fld_iter; - out << indent() << "if (![self send_" << tfunction->get_name(); - bool first = true; - for (fld_iter = fields.begin(); fld_iter != fields.end(); ++fld_iter) { - string fieldName = (*fld_iter)->get_name(); - out << " "; - if (first) { - first = false; - out << ": " << fieldName; - } else { - out << fieldName << ": " << fieldName; - } - } - if (!fields.empty()) { - out << " error"; - } - out << ": __thriftError]) " << invalid_return_statement(tfunction) << endl; -} - -/** - * Generates an invocation of a given 'send_' function. - * - * @param tfunction The service to generate an implementation for - */ -void t_cocoa_generator::generate_cocoa_service_client_send_async_function_invocation( - ostream& out, - t_function* tfunction, - string failureBlockName) { - - t_struct* arg_struct = tfunction->get_arglist(); - const vector<t_field*>& fields = arg_struct->get_members(); - vector<t_field*>::const_iterator fld_iter; - out << indent() << "if (![self send_" << tfunction->get_name(); - bool first = true; - for (fld_iter = fields.begin(); fld_iter != fields.end(); ++fld_iter) { - string fieldName = (*fld_iter)->get_name(); - out << " "; - if (first) { - first = false; - out << ": " << fieldName; - } else { - out << fieldName << ": " << fieldName; - } - } - if (!fields.empty()) { - out << " protocol"; - } - out << ": protocol error: &thriftError]) "; - scope_up(out); - out << indent() << failureBlockName << "(thriftError);" << endl - << indent() << "return;" << endl; - scope_down(out); -} - -/** - * Generates a service client implementation. - * - * @param tservice The service to generate an implementation for - */ -void t_cocoa_generator::generate_cocoa_service_client_implementation(ostream& out, - t_service* tservice) { - - string name = cocoa_prefix_ + tservice->get_name() + "Client"; - - out << "@interface " << name << " () "; - scope_up(out); - out << endl; - out << indent() << "id<TProtocol> inProtocol;" << endl; - out << indent() << "id<TProtocol> outProtocol;" << endl; - out << endl; - scope_down(out); - out << endl; - out << "@end" << endl << endl; - - out << "@implementation " << name << endl; - - // initializers - out << "- (id) initWithProtocol: (id <TProtocol>) protocol" << endl; - scope_up(out); - out << indent() << "return [self initWithInProtocol: protocol outProtocol: protocol];" << endl; - scope_down(out); - out << endl; - - out << "- (id) initWithInProtocol: (id <TProtocol>) anInProtocol outProtocol: (id <TProtocol>) " - "anOutProtocol" << endl; - scope_up(out); - out << indent() << "self = [super init];" << endl; - out << indent() << "if (self) "; - scope_up(out); - out << indent() << "inProtocol = anInProtocol;" << endl; - out << indent() << "outProtocol = anOutProtocol;" << endl; - scope_down(out); - out << indent() << "return self;" << endl; - scope_down(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_cocoa_service_client_send_function_implementation(out, tservice, *f_iter, false); - - if (!(*f_iter)->is_oneway()) { - generate_cocoa_service_client_recv_function_implementation(out, tservice, *f_iter, false); - } - - // Open function - indent(out) << "- " << function_signature(*f_iter, true) << endl; - scope_up(out); - generate_cocoa_service_client_send_function_invocation(out, *f_iter); - - out << indent() << "if (![[outProtocol transport] flush: __thriftError]) " << invalid_return_statement(*f_iter) << endl; - if (!(*f_iter)->is_oneway()) { - if ((*f_iter)->get_returntype()->is_void()) { - out << indent() << "if (![self recv_" << (*f_iter)->get_name() << ": __thriftError]) return NO;" << endl; - out << indent() << "return YES;" << endl; - } else { - out << indent() << type_name((*f_iter)->get_returntype(), false, true) << " __result;" << endl - << indent() << "if (![self recv_" << (*f_iter)->get_name() << ": &__result error: __thriftError]) " - << invalid_return_statement(*f_iter) << endl; - if (type_can_be_null((*f_iter)->get_returntype())) { - out << indent() << "return __result;" << endl; - } else { - out << indent() << "return @(__result);" << endl; - } - } - } - else { - out << indent() << "return YES;" << endl; - } - scope_down(out); - out << endl; - } - - out << "@end" << endl << endl; -} - -/** - * Generates a service client implementation for its asynchronous interface. - * - * @param tservice The service to generate an implementation for - */ -void t_cocoa_generator::generate_cocoa_service_client_async_implementation(ostream& out, - t_service* tservice) { - - string name = cocoa_prefix_ + tservice->get_name() + "ClientAsync"; - - out << "@interface " << name << " () "; - scope_up(out); - out << endl; - out << indent() << "id<TProtocolFactory> protocolFactory;" << endl; - out << indent() << "id<TAsyncTransportFactory> transportFactory;" << endl; - out << endl; - scope_down(out); - out << endl; - out << "@end" << endl << endl; - - - out << "@implementation " << name << endl - << endl << "- (id) initWithProtocolFactory: (id <TProtocolFactory>) aProtocolFactory " - "transportFactory: (id <TAsyncTransportFactory>) aTransportFactory;" << endl; - - scope_up(out); - out << indent() << "self = [super init];" << endl; - out << indent() << "if (self) {" << endl; - out << indent() << " protocolFactory = aProtocolFactory;" << endl; - out << indent() << " transportFactory = aTransportFactory;" << endl; - out << indent() << "}" << endl; - out << indent() << "return self;" << endl; - scope_down(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_cocoa_service_client_send_function_implementation(out, tservice, *f_iter, true); - - if (!(*f_iter)->is_oneway()) { - generate_cocoa_service_client_recv_function_implementation(out, tservice, *f_iter, true); - } - - // Open function - indent(out) << "- " << async_function_signature(*f_iter, false) << endl; - scope_up(out); - - out << indent() << "NSError *thriftError;" << endl - << indent() << "id<TAsyncTransport> transport = [transportFactory newTransport];" << endl - << indent() << "id<TProtocol> protocol = [protocolFactory newProtocolOnTransport:transport];" << endl - << endl; - - generate_cocoa_service_client_send_async_function_invocation(out, *f_iter, "failureBlock"); - - out << indent() << "[transport flushWithCompletion:^{" << endl; - indent_up(); - - if (!(*f_iter)->is_oneway()) { - out << indent() << "NSError *thriftError;" << endl; - - if (!(*f_iter)->get_returntype()->is_void()) { - out << indent() << type_name((*f_iter)->get_returntype()) << " result;" << endl; - } - out << indent() << "if (![self recv_" << (*f_iter)->get_name(); - if (!(*f_iter)->get_returntype()->is_void()) { - out << ": &result protocol"; - } - out << ": protocol error: &thriftError]) "; - scope_up(out); - out << indent() << "failureBlock(thriftError);" << endl - << indent() << "return;" << endl; - scope_down(out); - } - - out << indent() << "responseBlock("; - if (!(*f_iter)->is_oneway() && !(*f_iter)->get_returntype()->is_void()) { - out << "result"; - } - out << ");" << endl; - - indent_down(); - - out << indent() << "} failure:failureBlock];" << endl; - - scope_down(out); - - out << endl; - - // Promise function - if (promise_kit_) { - - indent(out) << "- " << promise_function_signature(*f_iter) << endl; - scope_up(out); - - out << indent() << "return [AnyPromise promiseWithResolverBlock:^(PMKResolver resolver) {" << endl; - indent_up(); - - out << indent() << "NSError *thriftError;" << endl - << indent() << "id<TAsyncTransport> transport = [transportFactory newTransport];" << endl - << indent() << "id<TProtocol> protocol = [protocolFactory newProtocolOnTransport:transport];" << endl - << endl; - - generate_cocoa_service_client_send_async_function_invocation(out, *f_iter, "resolver"); - - out << indent() << "[transport flushWithCompletion:^{" << endl; - indent_up(); - - if (!(*f_iter)->is_oneway()) { - out << indent() << "NSError *thriftError;" << endl; - - if (!(*f_iter)->get_returntype()->is_void()) { - out << indent() << type_name((*f_iter)->get_returntype()) << " result;" << endl; - } - out << indent() << "if (![self recv_" << (*f_iter)->get_name(); - if (!(*f_iter)->get_returntype()->is_void()) { - out << ": &result protocol"; - } - out << ": protocol error: &thriftError]) "; - scope_up(out); - out << indent() << "resolver(thriftError);" << endl - << indent() << "return;" << endl; - scope_down(out); - } - - out << indent() << "resolver("; - if ((*f_iter)->is_oneway() || (*f_iter)->get_returntype()->is_void()) { - out << "@YES"; - } else if (type_can_be_null((*f_iter)->get_returntype())) { - out << "result"; - } else { - out << "@(result)"; - } - out << ");" << endl; - - indent_down(); - - out << indent() << "} failure:^(NSError *error) {" << endl; - indent_up(); - out << indent() << "resolver(error);" << endl; - indent_down(); - out << indent() << "}];" << endl; - - indent_down(); - out << indent() << "}];" << endl; - - scope_down(out); - - out << endl; - - } - - } - - out << "@end" << endl << endl; -} - -/** - * Generates a service server implementation. In other words the actual TProcessor implementation - * for the service. - * - * @param tservice The service to generate an implementation for - */ -void t_cocoa_generator::generate_cocoa_service_server_implementation(ostream& out, - t_service* tservice) { - - string name = cocoa_prefix_ + tservice->get_name() + "Processor"; - - out << "@interface " << name << " () "; - - scope_up(out); - out << indent() << "id <" << cocoa_prefix_ << tservice->get_name() << "> service;" << endl; - out << indent() << "NSDictionary * methodMap;" << endl; - scope_down(out); - - out << "@end" << endl << endl; - - out << "@implementation " << name << endl; - - // initializer - out << endl; - out << "- (id) initWith" << tservice->get_name() << ": (id <" << cocoa_prefix_ << tservice->get_name() << ">) aService" << endl; - scope_up(out); - out << indent() << "self = [super init];" << endl; - out << indent() << "if (self) "; - scope_up(out); - out << indent() << "service = aService;" << endl; - out << indent() << "methodMap = [NSMutableDictionary dictionary];" << 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) { - string funname = (*f_iter)->get_name(); - scope_up(out); - out << indent() << "SEL s = @selector(process_" << funname << "_withSequenceID:inProtocol:outProtocol:error:);" << endl; - out << indent() << "NSMethodSignature * sig = [self methodSignatureForSelector: s];" << endl; - out << indent() << "NSInvocation * invocation = [NSInvocation invocationWithMethodSignature: sig];" << endl; - out << indent() << "[invocation setSelector: s];" << endl; - out << indent() << "[invocation retainArguments];" << endl; - out << indent() << "[methodMap setValue: invocation forKey: @\"" << funname << "\"];" << endl; - scope_down(out); - } - scope_down(out); - out << indent() << "return self;" << endl; - scope_down(out); - - // implementation of the 'service' method which returns the service associated with this - // processor - out << endl; - out << indent() << "- (id<" << cocoa_prefix_ << tservice->get_name() << ">) service" << endl; - out << indent() << "{" << endl; - out << indent() << " return service;" << endl; - out << indent() << "}" << endl; - - // implementation of the TProcess method, which dispatches the incoming call using the method map - out << endl; - out << indent() << "- (BOOL) processOnInputProtocol: (id <TProtocol>) inProtocol" << endl; - out << indent() << " outputProtocol: (id <TProtocol>) outProtocol" << endl; - out << indent() << " error: (NSError *__autoreleasing *)__thriftError" << endl; - out << indent() << "{" << endl; - out << indent() << " NSString * messageName;" << endl; - out << indent() << " SInt32 messageType;" << endl; - out << indent() << " SInt32 seqID;" << endl; - out << indent() << " if (![inProtocol readMessageBeginReturningName: &messageName" << endl; - out << indent() << " type: &messageType" << endl; - out << indent() << " sequenceID: &seqID" << endl; - out << indent() << " error: __thriftError]) return NO;" << endl; - out << indent() << " NSInvocation * invocation = [methodMap valueForKey: messageName];" << endl; - out << indent() << " if (invocation == nil) {" << endl; - out << indent() << " if (![TProtocolUtil skipType: TTypeSTRUCT onProtocol: inProtocol error: __thriftError]) return NO;" << endl; - out << indent() << " if (![inProtocol readMessageEnd: __thriftError]) return NO;" << endl; - out << indent() << " NSError * x = [NSError errorWithDomain: TApplicationErrorDomain" << endl; - out << indent() << " code: TApplicationErrorUnknownMethod" << endl; - out << indent() << " userInfo: @{TApplicationErrorMethodKey: messageName}];" << endl; - out << indent() << " if (![outProtocol writeMessageBeginWithName: messageName" << endl; - out << indent() << " type: TMessageTypeEXCEPTION" << endl; - out << indent() << " sequenceID: seqID" << endl; - out << indent() << " error: __thriftError]) return NO;" << endl; - out << indent() << " if (![x write: outProtocol error: __thriftError]) return NO;" << endl; - out << indent() << " if (![outProtocol writeMessageEnd: __thriftError]) return NO;" << endl; - out << indent() << " if (![[outProtocol transport] flush: __thriftError]) return NO;" << endl; - out << indent() << " return YES;" << endl; - out << indent() << " }" << endl; - out << indent() << " // NSInvocation does not conform to NSCopying protocol" << endl; - out << indent() << " NSInvocation * i = [NSInvocation invocationWithMethodSignature: " - "[invocation methodSignature]];" << endl; - out << indent() << " [i setSelector: [invocation selector]];" << endl; - out << indent() << " [i setArgument: &seqID atIndex: 2];" << endl; - out << indent() << " [i setArgument: &inProtocol atIndex: 3];" << endl; - out << indent() << " [i setArgument: &outProtocol atIndex: 4];" << endl; - out << indent() << " [i setArgument: &__thriftError atIndex: 5];" << endl; - out << indent() << " [i setTarget: self];" << endl; - out << indent() << " [i invoke];" << endl; - out << indent() << " return YES;" << endl; - out << indent() << "}" << endl; - - // generate a process_XXXX method for each service function, which reads args, calls the service, - // and writes results - functions = tservice->get_functions(); - for (f_iter = functions.begin(); f_iter != functions.end(); ++f_iter) { - out << endl; - string funname = (*f_iter)->get_name(); - out << indent() << "- (BOOL) process_" << funname - << "_withSequenceID: (SInt32) seqID inProtocol: (id<TProtocol>) inProtocol outProtocol: " - "(id<TProtocol>) outProtocol error:(NSError *__autoreleasing *)__thriftError" << endl; - scope_up(out); - string argstype = cocoa_prefix_ + function_args_helper_struct_type(tservice, *f_iter); - out << indent() << argstype << " * args = [" << argstype << " new];" << endl; - out << indent() << "if (![args read: inProtocol error: __thriftError]) return NO;" << endl; - out << indent() << "if (![inProtocol readMessageEnd: __thriftError]) return NO;" << endl; - - // prepare the result if not oneway - if (!(*f_iter)->is_oneway()) { - string resulttype = cocoa_prefix_ + function_result_helper_struct_type(tservice, *f_iter); - out << indent() << resulttype << " * result = [" << resulttype << " new];" << endl; - } - - // make the call to the actual service object - out << indent(); - if ((*f_iter)->get_returntype()->is_void()) { - out << "BOOL"; - } else if (type_can_be_null((*f_iter)->get_returntype())) { - out << type_name((*f_iter)->get_returntype(), false, true); - } else { - out << "NSNumber *"; - } - out << " serviceResult = "; - if ((*f_iter)->get_returntype()->get_true_type()->is_container()) { - out << "(" << type_name((*f_iter)->get_returntype(), false, true) << ")"; - } - out << "[service " << funname; - // supplying arguments - t_struct* arg_struct = (*f_iter)->get_arglist(); - const vector<t_field*>& fields = arg_struct->get_members(); - vector<t_field*>::const_iterator fld_iter; - bool first = true; - for (fld_iter = fields.begin(); fld_iter != fields.end(); ++fld_iter) { - string fieldName = (*fld_iter)->get_name(); - if (first) { - first = false; - out << ": [args " << fieldName << "]"; - } else { - out << " " << fieldName << ": [args " << fieldName << "]"; - } - } - if (!fields.empty()) { - out << " error"; - } - out << ": __thriftError];" << endl; - out << indent() << "if (!serviceResult) return NO;" << endl; - if (!(*f_iter)->get_returntype()->is_void()) { - out << indent() << "[result setSuccess: " << unbox((*f_iter)->get_returntype(), "serviceResult") << "];" << endl; - } - - // write out the result if not oneway - if (!(*f_iter)->is_oneway()) { - out << indent() << "if (![outProtocol writeMessageBeginWithName: @\"" << funname << "\"" << endl; - out << indent() << " type: TMessageTypeREPLY" << endl; - out << indent() << " sequenceID: seqID" << endl; - out << indent() << " error: __thriftError]) return NO;" << endl; - out << indent() << "if (![result write: outProtocol error: __thriftError]) return NO;" << endl; - out << indent() << "if (![outProtocol writeMessageEnd: __thriftError]) return NO;" << endl; - out << indent() << "if (![[outProtocol transport] flush: __thriftError]) return NO;" << endl; - } - out << indent() << "return YES;" << endl; - - scope_down(out); - } - - out << "@end" << endl << endl; -} - -/** - * Deserializes a field of any type. - * - * @param tfield The field - * @param fieldName The variable name for this field - */ -void t_cocoa_generator::generate_deserialize_field(ostream& out, - t_field* tfield, - string fieldName) { - t_type* type = get_true_type(tfield->get_type()); - - if (type->is_void()) { - throw "CANNOT GENERATE DESERIALIZE CODE FOR void TYPE: " + tfield->get_name(); - } - - if (type->is_struct() || type->is_xception()) { - generate_deserialize_struct(out, (t_struct*)type, fieldName); - } else if (type->is_container()) { - generate_deserialize_container(out, type, fieldName); - } else if (type->is_base_type() || type->is_enum()) { - indent(out) << type_name(type) << " " << fieldName << ";" << endl; - indent(out) << "if (![inProtocol "; - - 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 "compiler error: cannot serialize void field in a struct: " + tfield->get_name(); - break; - case t_base_type::TYPE_STRING: - if (type->is_binary()) { - out << "readBinary:&" << fieldName << " error: __thriftError]"; - } else { - out << "readString:&" << fieldName << " error: __thriftError]"; - } - break; - case t_base_type::TYPE_BOOL: - out << "readBool:&" << fieldName << " error: __thriftError]"; - break; - case t_base_type::TYPE_I8: - out << "readByte:(UInt8 *)&" << fieldName << " error: __thriftError]"; - break; - case t_base_type::TYPE_I16: - out << "readI16:&" << fieldName << " error: __thriftError]"; - break; - case t_base_type::TYPE_I32: - out << "readI32:&" << fieldName << " error: __thriftError]"; - break; - case t_base_type::TYPE_I64: - out << "readI64:&" << fieldName << " error: __thriftError]"; - break; - case t_base_type::TYPE_DOUBLE: - out << "readDouble:&" << fieldName << " error: __thriftError]"; - break; - default: - throw "compiler error: no Objective-C name for base type " - + t_base_type::t_base_name(tbase); - } - } else if (type->is_enum()) { - out << "readI32:&" << fieldName << " error: __thriftError]"; - } - out << ") return NO;" << endl; - } else { - printf("DO NOT KNOW HOW TO DESERIALIZE FIELD '%s' TYPE '%s'\n", - tfield->get_name().c_str(), - type_name(type).c_str()); - } -} - -/** - * Generates an unserializer for a struct, allocates the struct and invokes read: - */ -void t_cocoa_generator::generate_deserialize_struct(ostream& out, - t_struct* tstruct, - string fieldName) { - indent(out) << type_name(tstruct) << fieldName << " = [[" << type_name(tstruct, true) - << " alloc] init];" << endl; - indent(out) << "if (![" << fieldName << " read: inProtocol error: __thriftError]) return NO;" << endl; -} - -/** - * Deserializes a container by reading its size and then iterating - */ -void t_cocoa_generator::generate_deserialize_container(ostream& out, - t_type* ttype, - string fieldName) { - string size = tmp("_size"); - indent(out) << "SInt32 " << size << ";" << endl; - - // Declare variables, read header - if (ttype->is_map()) { - indent(out) << "if (![inProtocol readMapBeginReturningKeyType: NULL valueType: NULL size: &" << size << " error: __thriftError]) return NO;" << endl; - indent(out) << "NSMutableDictionary * " << fieldName - << " = [[NSMutableDictionary alloc] initWithCapacity: " << size << "];" << endl; - } else if (ttype->is_set()) { - indent(out) << "if (![inProtocol readSetBeginReturningElementType: NULL size: &" << size << " error: __thriftError]) return NO;" - << endl; - indent(out) << "NSMutableSet * " << fieldName - << " = [[NSMutableSet alloc] initWithCapacity: " << size << "];" << endl; - } else if (ttype->is_list()) { - indent(out) << "if (![inProtocol readListBeginReturningElementType: NULL size: &" << size << " error: __thriftError]) return NO;" - << endl; - indent(out) << "NSMutableArray * " << fieldName - << " = [[NSMutableArray alloc] initWithCapacity: " << size << "];" << endl; - } - // FIXME - the code above does not verify that the element types of - // the containers being read match the element types of the - // containers we are reading into. Does that matter? - - // For loop iterates over elements - string i = tmp("_i"); - indent(out) << "int " << i << ";" << endl << indent() << "for (" << i << " = 0; " << i << " < " - << size << "; " - << "++" << i << ")" << endl; - - scope_up(out); - - if (ttype->is_map()) { - generate_deserialize_map_element(out, (t_map*)ttype, fieldName); - } else if (ttype->is_set()) { - generate_deserialize_set_element(out, (t_set*)ttype, fieldName); - } else if (ttype->is_list()) { - generate_deserialize_list_element(out, (t_list*)ttype, fieldName); - } - - scope_down(out); - - // Read container end - if (ttype->is_map()) { - indent(out) << "if (![inProtocol readMapEnd: __thriftError]) return NO;" << endl; - } else if (ttype->is_set()) { - indent(out) << "if (![inProtocol readSetEnd: __thriftError]) return NO;" << endl; - } else if (ttype->is_list()) { - indent(out) << "if (![inProtocol readListEnd: __thriftError]) return NO;" << endl; - } -} - -/** - * Take a variable of a given type and wrap it in code to make it - * suitable for putting into a container, if necessary. Basically, - * wrap scaler primitives in NSNumber objects. - */ -string t_cocoa_generator::box(t_type* ttype, string field_name) { - - ttype = get_true_type(ttype); - if (ttype->is_enum()) { - return "@(" + field_name + ")"; - } else if (ttype->is_base_type()) { - t_base_type::t_base tbase = ((t_base_type*)ttype)->get_base(); - switch (tbase) { - case t_base_type::TYPE_VOID: - throw "can't box void"; - case t_base_type::TYPE_BOOL: - case t_base_type::TYPE_I8: - case t_base_type::TYPE_I16: - case t_base_type::TYPE_I32: - case t_base_type::TYPE_I64: - case t_base_type::TYPE_DOUBLE: - return "@(" + field_name + ")"; - default: - break; - } - } - - // do nothing - return field_name; -} - -/** - * Extracts the actual value from a boxed value - */ -string t_cocoa_generator::unbox(t_type* ttype, string field_name) { - ttype = get_true_type(ttype); - if (ttype->is_enum()) { - return "[" + field_name + " intValue]"; - } else if (ttype->is_base_type()) { - t_base_type::t_base tbase = ((t_base_type*)ttype)->get_base(); - switch (tbase) { - case t_base_type::TYPE_VOID: - throw "can't unbox void"; - case t_base_type::TYPE_BOOL: - return "[" + field_name + " boolValue]"; - case t_base_type::TYPE_I8: - return "((SInt8)[" + field_name + " charValue])"; - case t_base_type::TYPE_I16: - return "((SInt16)[" + field_name + " shortValue])"; - case t_base_type::TYPE_I32: - return "((SInt32)[" + field_name + " longValue])"; - case t_base_type::TYPE_I64: - return "((SInt64)[" + field_name + " longLongValue])"; - case t_base_type::TYPE_DOUBLE: - return "[" + field_name + " doubleValue]"; - default: - break; - } - } - - // do nothing - return field_name; -} - -/** - * Generates code to deserialize a map element - */ -void t_cocoa_generator::generate_deserialize_map_element(ostream& out, - t_map* tmap, - string fieldName) { - string key = tmp("_key"); - string val = tmp("_val"); - t_type* keyType = tmap->get_key_type(); - t_type* valType = tmap->get_val_type(); - t_field fkey(keyType, key); - t_field fval(valType, val); - - generate_deserialize_field(out, &fkey, key); - generate_deserialize_field(out, &fval, val); - - indent(out) << "[" << fieldName << " setObject: " << box(valType, val) - << " forKey: " << box(keyType, key) << "];" << endl; -} - -/** - * Deserializes a set element - */ -void t_cocoa_generator::generate_deserialize_set_element(ostream& out, - t_set* tset, - string fieldName) { - string elem = tmp("_elem"); - t_type* type = tset->get_elem_type(); - t_field felem(type, elem); - - generate_deserialize_field(out, &felem, elem); - - indent(out) << "[" << fieldName << " addObject: " << box(type, elem) << "];" << endl; -} - -/** - * Deserializes a list element - */ -void t_cocoa_generator::generate_deserialize_list_element(ostream& out, - t_list* tlist, - string fieldName) { - string elem = tmp("_elem"); - t_type* type = tlist->get_elem_type(); - t_field felem(type, elem); - - generate_deserialize_field(out, &felem, elem); - - indent(out) << "[" << fieldName << " addObject: " << box(type, elem) << "];" << endl; -} - -/** - * Serializes a field of any type. - * - * @param tfield The field to serialize - * @param fieldName Name to of the variable holding the field - */ -void t_cocoa_generator::generate_serialize_field(ostream& out, t_field* tfield, string fieldName) { - t_type* type = get_true_type(tfield->get_type()); - - // Do nothing for void types - if (type->is_void()) { - throw "CANNOT GENERATE SERIALIZE CODE FOR void TYPE: " + tfield->get_name(); - } - - if (type->is_struct() || type->is_xception()) { - generate_serialize_struct(out, (t_struct*)type, fieldName); - } else if (type->is_container()) { - generate_serialize_container(out, type, fieldName); - } else if (type->is_base_type() || type->is_enum()) { - indent(out) << "if (![outProtocol "; - - 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 "compiler error: cannot serialize void field in a struct: " + fieldName; - break; - case t_base_type::TYPE_STRING: - if (type->is_binary()) { - out << "writeBinary: " << fieldName << " error: __thriftError]"; - } else { - out << "writeString: " << fieldName << " error: __thriftError]"; - } - break; - case t_base_type::TYPE_BOOL: - out << "writeBool: " << fieldName << " error: __thriftError]"; - break; - case t_base_type::TYPE_I8: - out << "writeByte: (UInt8)" << fieldName << " error: __thriftError]"; - break; - case t_base_type::TYPE_I16: - out << "writeI16: " << fieldName << " error: __thriftError]"; - break; - case t_base_type::TYPE_I32: - out << "writeI32: " << fieldName << " error: __thriftError]"; - break; - case t_base_type::TYPE_I64: - out << "writeI64: " << fieldName << " error: __thriftError]"; - break; - case t_base_type::TYPE_DOUBLE: - out << "writeDouble: " << fieldName << " error: __thriftError]"; - break; - default: - throw "compiler error: no Objective-C name for base type " - + t_base_type::t_base_name(tbase); - } - } else if (type->is_enum()) { - out << "writeI32: " << fieldName << " error: __thriftError]"; - } - out << ") return NO;" << endl; - } else { - printf("DO NOT KNOW HOW TO SERIALIZE FIELD '%s' TYPE '%s'\n", - tfield->get_name().c_str(), - type_name(type).c_str()); - } -} - -/** - * Serialize a struct. - * - * @param tstruct The struct to serialize - * @param fieldName Name of variable holding struct - */ -void t_cocoa_generator::generate_serialize_struct(ostream& out, - t_struct* tstruct, - string fieldName) { - (void)tstruct; - out << indent() << "if (![" << fieldName << " write: outProtocol error: __thriftError]) return NO;" << endl; -} - -/** - * Serializes a container by writing its size then the elements. - * - * @param ttype The type of container - * @param fieldName Name of variable holding container - */ -void t_cocoa_generator::generate_serialize_container(ostream& out, - t_type* ttype, - string fieldName) { - scope_up(out); - - if (ttype->is_map()) { - indent(out) << "if (![outProtocol writeMapBeginWithKeyType: " - << type_to_enum(((t_map*)ttype)->get_key_type()) - << " valueType: " << type_to_enum(((t_map*)ttype)->get_val_type()) << " size: (SInt32)[" - << fieldName << " count] error: __thriftError]) return NO;" << endl; - } else if (ttype->is_set()) { - indent(out) << "if (![outProtocol writeSetBeginWithElementType: " - << type_to_enum(((t_set*)ttype)->get_elem_type()) << " size: (SInt32)[" << fieldName - << " count] error: __thriftError]) return NO;" << endl; - } else if (ttype->is_list()) { - indent(out) << "if (![outProtocol writeListBeginWithElementType: " - << type_to_enum(((t_list*)ttype)->get_elem_type()) << " size: (SInt32)[" << fieldName - << " count] error: __thriftError]) return NO;" << endl; - } - - string iter = tmp("_iter"); - string key; - if (ttype->is_map()) { - key = tmp("key"); - indent(out) << "NSEnumerator * " << iter << " = [" << fieldName << " keyEnumerator];" << endl; - indent(out) << "id " << key << ";" << endl; - indent(out) << "while ((" << key << " = [" << iter << " nextObject]))" << endl; - } else if (ttype->is_set()) { - key = tmp("obj"); - indent(out) << "NSEnumerator * " << iter << " = [" << fieldName << " objectEnumerator];" - << endl; - indent(out) << "id " << key << ";" << endl; - indent(out) << "while ((" << key << " = [" << iter << " nextObject]))" << endl; - } else if (ttype->is_list()) { - key = tmp("idx"); - indent(out) << "int " << key << ";" << endl; - indent(out) << "for (" << key << " = 0; " << key << " < [" << fieldName << " count]; " << key - << "++)" << endl; - } - - scope_up(out); - - if (ttype->is_map()) { - generate_serialize_map_element(out, (t_map*)ttype, key, fieldName); - } else if (ttype->is_set()) { - generate_serialize_set_element(out, (t_set*)ttype, key); - } else if (ttype->is_list()) { - generate_serialize_list_element(out, (t_list*)ttype, key, fieldName); - } - - scope_down(out); - - if (ttype->is_map()) { - indent(out) << "if (![outProtocol writeMapEnd: __thriftError]) return NO;" << endl; - } else if (ttype->is_set()) { - indent(out) << "if (![outProtocol writeSetEnd: __thriftError]) return NO;" << endl; - } else if (ttype->is_list()) { - indent(out) << "if (![outProtocol writeListEnd: __thriftError]) return NO;" << endl; - } - - scope_down(out); -} - -/** - * Serializes the members of a map. - */ -void t_cocoa_generator::generate_serialize_map_element(ostream& out, - t_map* tmap, - string key, - string mapName) { - t_field kfield(tmap->get_key_type(), key); - generate_serialize_field(out, &kfield, unbox(kfield.get_type(), key)); - t_field vfield(tmap->get_val_type(), "[" + mapName + " objectForKey: " + key + "]"); - generate_serialize_field(out, &vfield, unbox(vfield.get_type(), vfield.get_name())); -} - -/** - * Serializes the members of a set. - */ -void t_cocoa_generator::generate_serialize_set_element(ostream& out, - t_set* tset, - string elementName) { - t_field efield(tset->get_elem_type(), elementName); - generate_serialize_field(out, &efield, unbox(efield.get_type(), elementName)); -} - -/** - * Serializes the members of a list. - */ -void t_cocoa_generator::generate_serialize_list_element(ostream& out, - t_list* tlist, - string index, - string listName) { - t_field efield(tlist->get_elem_type(), "[" + listName + " objectAtIndex: " + index + "]"); - generate_serialize_field(out, &efield, unbox(efield.get_type(), efield.get_name())); -} - -/** - * Returns an Objective-C name - * - * @param ttype The type - * @param class_ref Do we want a Class reference istead of a type reference? - * @return Objective-C type name, i.e. NSDictionary<Key,Value> * - */ -string t_cocoa_generator::type_name(t_type* ttype, bool class_ref, bool needs_mutable) { - if (ttype->is_typedef()) { - string name = (needs_mutable && ttype->get_true_type()->is_container()) ? "Mutable" + ttype->get_name() : ttype->get_name(); - t_program* program = ttype->get_program(); - return program ? (program->get_namespace("cocoa") + name) : name; - } - - string result; - if (ttype->is_base_type()) { - return base_type_name((t_base_type*)ttype); - } else if (ttype->is_enum()) { - return cocoa_prefix_ + ttype->get_name(); - } else if (ttype->is_map()) { - t_map *map = (t_map *)ttype; - result = needs_mutable ? "NSMutableDictionary" : "NSDictionary"; - result += "<" + element_type_name(map->get_key_type()) + ", " + element_type_name(map->get_val_type()) + ">"; - } else if (ttype->is_set()) { - t_set *set = (t_set *)ttype; - result = needs_mutable ? "NSMutableSet" : "NSSet"; - result += "<" + element_type_name(set->get_elem_type()) + ">"; - } else if (ttype->is_list()) { - t_list *list = (t_list *)ttype; - result = needs_mutable ? "NSMutableArray" : "NSArray"; - result += "<" + element_type_name(list->get_elem_type()) + ">"; - } else { - // Check for prefix - t_program* program = ttype->get_program(); - if (program != NULL) { - result = program->get_namespace("cocoa") + ttype->get_name(); - } else { - result = ttype->get_name(); - } - } - - if (!class_ref) { - result += " *"; - } - return result; -} - -/** - * Returns an Objective-C type name for container types - * - * @param ttype the type - */ -string t_cocoa_generator::element_type_name(t_type* etype) { - - t_type* ttype = etype->get_true_type(); - - if (etype->is_typedef() && type_can_be_null(ttype)) { - return type_name(etype); - } - - string result; - if (ttype->is_base_type()) { - t_base_type* tbase = (t_base_type*)ttype; - switch (tbase->get_base()) { - case t_base_type::TYPE_STRING: - if (tbase->is_binary()) { - result = "NSData *"; - } - else { - result = "NSString *"; - } - break; - default: - result = "NSNumber *"; - break; - } - } else if (ttype->is_enum()) { - result = "NSNumber *"; - } else if (ttype->is_map()) { - t_map *map = (t_map *)ttype; - result = "NSDictionary<" + element_type_name(map->get_key_type()) + ", " + element_type_name(map->get_val_type()) + "> *"; - } else if (ttype->is_set()) { - t_set *set = (t_set *)ttype; - result = "NSSet<" + element_type_name(set->get_elem_type()) + "> *"; - } else if (ttype->is_list()) { - t_list *list = (t_list *)ttype; - result = "NSArray<" + element_type_name(list->get_elem_type()) + "> *"; - } else if (ttype->is_struct() || ttype->is_xception()) { - result = cocoa_prefix_ + ttype->get_name() + " *"; - } - - return result; -} - -/** - * Returns the Objective-C type that corresponds to the thrift type. - * - * @param tbase The base type - */ -string t_cocoa_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 "NSData *"; - } else { - return "NSString *"; - } - case t_base_type::TYPE_BOOL: - return "BOOL"; - case t_base_type::TYPE_I8: - return "SInt8"; - case t_base_type::TYPE_I16: - return "SInt16"; - case t_base_type::TYPE_I32: - return "SInt32"; - case t_base_type::TYPE_I64: - return "SInt64"; - case t_base_type::TYPE_DOUBLE: - return "double"; - default: - throw "compiler error: no Objective-C name for base type " + t_base_type::t_base_name(tbase); - } -} - -/** - * Prints the value of a constant with the given type. Note that type checking - * is NOT performed in this function as it is always run beforehand using the - * validate_types method in main.cc - */ -void t_cocoa_generator::print_const_value(ostream& out, - string name, - t_type* type, - t_const_value* value, - bool defval) { - type = get_true_type(type); - - if (type->is_base_type()) { - string v2 = render_const_value(out, type, value); - indent(out); - if (defval) - out << type_name(type) << " "; - out << name << " = " << v2 << ";" << endl << endl; - } else if (type->is_enum()) { - indent(out); - if (defval) - out << type_name(type) << " "; - out << name << " = " << render_const_value(out, type, value) << ";" << endl << endl; - } else if (type->is_struct() || type->is_xception()) { - indent(out); - 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*, t_const_value::value_compare>& val = value->get_map(); - map<t_const_value*, t_const_value*, t_const_value::value_compare>::const_iterator v_iter; - if (defval) - out << type_name(type) << " "; - out << name << " = [" << type_name(type, true) << " new];" - << endl; - for (v_iter = val.begin(); v_iter != val.end(); ++v_iter) { - t_type* field_type = NULL; - for (f_iter = fields.begin(); f_iter != fields.end(); ++f_iter) { - if ((*f_iter)->get_name() == v_iter->first->get_string()) { - field_type = (*f_iter)->get_type(); - } - } - if (field_type == NULL) { - throw "type error: " + type->get_name() + " has no field " + v_iter->first->get_string(); - } - string val = render_const_value(out, field_type, v_iter->second); - std::string cap_name = capitalize(v_iter->first->get_string()); - indent(out) << "[" << name << " set" << cap_name << ":" << val << "];" << endl; - } - } else if (type->is_map()) { - ostringstream mapout; - indent(mapout); - 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*, t_const_value::value_compare>& val = value->get_map(); - map<t_const_value*, t_const_value*, t_const_value::value_compare>::const_iterator v_iter; - if (defval) - mapout << type_name(type) << " "; - mapout << name << " = @{"; - for (v_iter = val.begin(); v_iter != val.end();) { - mapout << render_const_value(out, ktype, v_iter->first, true) << ": " - << render_const_value(out, vtype, v_iter->second, true); - if (++v_iter != val.end()) { - mapout << ", "; - } - } - mapout << "}"; - out << mapout.str(); - } else if (type->is_list()) { - ostringstream listout; - indent(listout); - t_type* etype = ((t_list*)type)->get_elem_type(); - const vector<t_const_value*>& val = value->get_list(); - vector<t_const_value*>::const_iterator v_iter; - if (defval) - listout << type_name(type) << " "; - listout << name << " = @["; - for (v_iter = val.begin(); v_iter != val.end();) { - listout << render_const_value(out, etype, *v_iter, true); - if (++v_iter != val.end()) { - listout << ", "; - } - } - listout << "]"; - out << listout.str(); - } else if (type->is_set()) { - ostringstream setout; - indent(setout); - t_type* etype = ((t_set*)type)->get_elem_type(); - const vector<t_const_value*>& val = value->get_list(); - vector<t_const_value*>::const_iterator v_iter; - if (defval) - setout << type_name(type) << " "; - setout << name << " = [NSSet setWithArray:@["; - for (v_iter = val.begin(); v_iter != val.end();) { - setout << render_const_value(out, etype, *v_iter, true); - if (++v_iter != val.end()) { - setout << ", "; - } - } - setout << "]]"; - out << setout.str(); - } else { - throw "compiler error: no const of type " + type->get_name(); - } -} - -string t_cocoa_generator::render_const_value(ostream& out, - t_type* type, - t_const_value* value, - bool box_it) { - type = get_true_type(type); - std::ostringstream render; - - 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: - // We must handle binary constant but the syntax of IDL defines - // nothing about binary constant. - // if type->is_binary()) - // // binary code - render << "@\"" << get_escaped_string(value) << '"'; - break; - case t_base_type::TYPE_BOOL: - render << ((value->get_integer() > 0) ? "YES" : "NO"); - break; - case t_base_type::TYPE_I8: - case t_base_type::TYPE_I16: - case t_base_type::TYPE_I32: - case t_base_type::TYPE_I64: - render << value->get_integer(); - break; - case t_base_type::TYPE_DOUBLE: - if (value->get_type() == t_const_value::CV_INTEGER) { - render << value->get_integer(); - } else { - render << value->get_double(); - } - break; - default: - throw "compiler error: no const of base type " + t_base_type::t_base_name(tbase); - } - } else if (type->is_enum()) { - render << value->get_integer(); - } else { - string t = tmp("tmp"); - print_const_value(out, t, type, value, true); - out << ";" << endl; - render << t; - } - - if (box_it) { - return box(type, render.str()); - } - return render.str(); -} - -#if 0 -/** -ORIGINAL - * Spit out code that evaluates to the specified constant value. - */ -string t_cocoa_generator::render_const_value(string name, - t_type* type, - t_const_value* value, - bool box_it) { - type = get_true_type(type); - std::ostringstream render; - - 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: - render << "@\"" << get_escaped_string(value) << '"'; - break; - case t_base_type::TYPE_BOOL: - render << ((value->get_integer() > 0) ? "YES" : "NO"); - break; - case t_base_type::TYPE_I8: - case t_base_type::TYPE_I16: - case t_base_type::TYPE_I32: - case t_base_type::TYPE_I64: - render << value->get_integer(); - break; - case t_base_type::TYPE_DOUBLE: - if (value->get_type() == t_const_value::CV_INTEGER) { - render << value->get_integer(); - } else { - render << value->get_double(); - } - break; - default: - throw "compiler error: no const of base type " + t_base_type::t_base_name(tbase); - } - } else if (type->is_enum()) { - render << value->get_integer(); - } else if (type->is_struct() || type->is_xception()) { - 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*, t_const_value::value_compare>& val = value->get_map(); - map<t_const_value*, t_const_value*, t_const_value::value_compare>::const_iterator v_iter; - if (val.size() > 0) - render << "[[" << type_name(type, true) << " alloc] initWith"; - else - render << "[[" << type_name(type, true) << " alloc] init"; - bool first = true; - for (v_iter = val.begin(); v_iter != val.end(); ++v_iter) { - // FIXME The generated code does not match with initWithXXX - // initializer and causes compile error. - // Try: test/DebugProtoTest.thrift and test/SmallTest.thrift - t_type* field_type = NULL; - for (f_iter = fields.begin(); f_iter != fields.end(); ++f_iter) { - if ((*f_iter)->get_name() == v_iter->first->get_string()) { - field_type = (*f_iter)->get_type(); - } - } - if (field_type == NULL) { - throw "type error: " + type->get_name() + " has no field " + v_iter->first->get_string(); - } - if (first) { - render << capitalize(v_iter->first->get_string()); - first = false; - } else { - render << " " << v_iter->first->get_string(); - } - render << ": " << render_const_value(name, field_type, v_iter->second); - } - render << "]"; - } else if (type->is_map()) { - render << "[[NSDictionary alloc] initWithObjectsAndKeys: "; - 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*, t_const_value::value_compare>& val = value->get_map(); - map<t_const_value*, t_const_value*, t_const_value::value_compare>::const_iterator v_iter; - bool first = true; - for (v_iter = val.begin(); v_iter != val.end(); ++v_iter) { - string key = render_const_value(name, ktype, v_iter->first, true); - string val = render_const_value(name, vtype, v_iter->second, true); - if (first) { - first = false; - } else { - render << ", "; - } - render << val << ", " << key; - } - if (first) - render << " nil]"; - else - render << ", nil]"; - } else if (type->is_list()) { - render << "[[NSArray alloc] initWithObjects: "; - t_type * etype = ((t_list*)type)->get_elem_type(); - const vector<t_const_value*>& val = value->get_list(); - bool first = true; - vector<t_const_value*>::const_iterator v_iter; - for (v_iter = val.begin(); v_iter != val.end(); ++v_iter) { - if (first) { - first = false; - } else { - render << ", "; - } - render << render_const_value(name, etype, *v_iter, true); - } - if (first) - render << " nil]"; - else - render << ", nil]"; - } else if (type->is_set()) { - render << "[[NSSet alloc] initWithObjects: "; - t_type * etype = ((t_set*)type)->get_elem_type(); - const vector<t_const_value*>& val = value->get_list(); - bool first = true; - vector<t_const_value*>::const_iterator v_iter; - for (v_iter = val.begin(); v_iter != val.end(); ++v_iter) { - if (first) { - first = false; - } else { - render << ", "; - } - render << render_const_value(name, etype, *v_iter, true); - } - if (first) - render << " nil]"; - else - render << ", nil]"; - } else { - throw "don't know how to render constant for type: " + type->get_name(); - } - - if (box_it) { - return box(type, render.str()); - } - - return render.str(); -} -#endif - -/** - * Declares an Objective-C 2.0 property. - * - * @param tfield The field to declare a property for - */ -string t_cocoa_generator::declare_property(t_field* tfield) { - std::ostringstream render; - render << "@property ("; - - if (type_can_be_copy(tfield->get_type())) { - render << "copy, "; - } else if (type_can_be_null(tfield->get_type())) { - render << "strong, "; - } else { - render << "assign, "; - } - - render << "nonatomic) " << type_name(tfield->get_type(), false, true) << " " - << tfield->get_name() << ";"; - - // Check if the property name is an Objective-C return +1 count signal - if ((tfield->get_name().length() >= 3 && tfield->get_name().substr(0,3) == "new") || - (tfield->get_name().length() >= 6 && tfield->get_name().substr(0,6) == "create") || - (tfield->get_name().length() >= 5 && tfield->get_name().substr(0,5) == "alloc")) { - // Let Objective-C know not to return +1 for object pointers - if (type_can_be_null(tfield->get_type())) { - render << endl; - render << "- (" + type_name(tfield->get_type()) + ") " + decapitalize(tfield->get_name()) + " __attribute__((objc_method_family(none)));"; - } - } - - return render.str(); -} - -/** - * Declares an Objective-C 2.0 property. - * - * @param tfield The field to declare a property for - */ -string t_cocoa_generator::declare_property_isset(t_field* tfield) { - return "@property (assign, nonatomic) BOOL " + decapitalize(tfield->get_name()) + "IsSet;"; -} - -/** - * Declares property unset method. - * - * @param tfield The field to declare a property for - */ -string t_cocoa_generator::declare_property_unset(t_field* tfield) { - return "- (void) unset" + capitalize(tfield->get_name()) + ";"; -} - -/** - * Renders the early out return statement - * - * @param tfunction Function definition - * @return String of rendered invalid return statment - */ -string t_cocoa_generator::invalid_return_statement(t_function *tfunction) { - if ((tfunction->get_returntype()->is_void())) { - return "return NO;"; - } - return "return nil;"; -} - -/** - * Renders a function signature - * - * @param tfunction Function definition - * @return String of rendered function definition - */ -string t_cocoa_generator::function_signature(t_function* tfunction, bool include_error) { - t_type* ttype = tfunction->get_returntype(); - string result; - if (ttype->is_void()) { - result = "(BOOL)"; - } - else if (type_can_be_null(ttype)) { - result = "(" + type_name(ttype) + ")"; - } - else { - result = "(NSNumber *)"; - } - result += " " + tfunction->get_name() + argument_list(tfunction->get_arglist(), "", include_error); - return result; -} - -/** - * Renders a function signature that returns asynchronously instead of - * literally returning. - * - * @param tfunction Function definition - * @return String of rendered function definition - */ -string t_cocoa_generator::async_function_signature(t_function* tfunction, bool include_error) { - t_type* ttype = tfunction->get_returntype(); - t_struct* targlist = tfunction->get_arglist(); - string response_param = "void (^)(" + ((ttype->is_void()) ? "" : type_name(ttype)) + ")"; - std::string result = "(void) " + tfunction->get_name() + argument_list(tfunction->get_arglist(), "", include_error) - + (targlist->get_members().size() ? " response" : "") + ": (" - + response_param + ") responseBlock " - + "failure : (TAsyncFailureBlock) failureBlock"; - return result; -} - -/** - * Renders a function signature that returns a promise instead of - * literally returning. - * - * @param tfunction Function definition - * @return String of rendered function definition - */ -string t_cocoa_generator::promise_function_signature(t_function* tfunction) { - return "(AnyPromise *) " + tfunction->get_name() + argument_list(tfunction->get_arglist(), "", false); -} - -/** - * Renders a colon separated list of types and names, suitable for an - * objective-c parameter list - */ -string t_cocoa_generator::argument_list(t_struct* tstruct, string protocol_name, bool include_error) { - string result = ""; - bool include_protocol = !protocol_name.empty(); - - const vector<t_field*>& fields = tstruct->get_members(); - vector<t_field*>::const_iterator f_iter; - bool first = true; - for (f_iter = fields.begin(); f_iter != fields.end(); ++f_iter) { - string argPrefix = ""; - if (first) { - first = false; - } else { - argPrefix = (*f_iter)->get_name(); - result += " "; - } - result += argPrefix + ": (" + type_name((*f_iter)->get_type()) + ") " + (*f_iter)->get_name(); - } - if (include_protocol) { - if (!first) { - result += " protocol"; - } - result += ": (id<TProtocol>) " + protocol_name; - first = false; - } - if (include_error) { - if (!first) { - result += " error"; - } - result += ": (NSError *__autoreleasing *)__thriftError"; - first = false; - } - return result; -} - -/** - * Converts the parse type to an Objective-C enum string for the given type. - */ -string t_cocoa_generator::type_to_enum(t_type* type) { - 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_VOID: - throw "NO T_VOID CONSTRUCT"; - case t_base_type::TYPE_STRING: - return "TTypeSTRING"; - case t_base_type::TYPE_BOOL: - return "TTypeBOOL"; - case t_base_type::TYPE_I8: - return "TTypeBYTE"; - case t_base_type::TYPE_I16: - return "TTypeI16"; - case t_base_type::TYPE_I32: - return "TTypeI32"; - case t_base_type::TYPE_I64: - return "TTypeI64"; - case t_base_type::TYPE_DOUBLE: - return "TTypeDOUBLE"; - } - } else if (type->is_enum()) { - return "TTypeI32"; - } else if (type->is_struct() || type->is_xception()) { - return "TTypeSTRUCT"; - } else if (type->is_map()) { - return "TTypeMAP"; - } else if (type->is_set()) { - return "TTypeSET"; - } else if (type->is_list()) { - return "TTypeLIST"; - } - - throw "INVALID TYPE IN type_to_enum: " + type->get_name(); -} - -/** - * Returns a format string specifier for the supplied parse type. - */ -string t_cocoa_generator::format_string_for_type(t_type* type) { - 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_VOID: - throw "NO T_VOID CONSTRUCT"; - case t_base_type::TYPE_STRING: - return "\\\"%@\\\""; - case t_base_type::TYPE_BOOL: - return "%i"; - case t_base_type::TYPE_I8: - return "%i"; - case t_base_type::TYPE_I16: - return "%hi"; - case t_base_type::TYPE_I32: - return "%i"; - case t_base_type::TYPE_I64: - return "%qi"; - case t_base_type::TYPE_DOUBLE: - return "%f"; - } - } else if (type->is_enum()) { - return "%i"; - } else if (type->is_struct() || type->is_xception()) { - return "%@"; - } else if (type->is_map()) { - return "%@"; - } else if (type->is_set()) { - return "%@"; - } else if (type->is_list()) { - return "%@"; - } - - throw "INVALID TYPE IN format_string_for_type: " + type->get_name(); -} - -/** - * Returns a format cast for the supplied parse type. - */ -string t_cocoa_generator::format_cast_for_type(t_type* type) { - 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_VOID: - throw "NO T_VOID CONSTRUCT"; - case t_base_type::TYPE_STRING: - return ""; // "\\\"%@\\\""; - case t_base_type::TYPE_BOOL: - return ""; // "%i"; - case t_base_type::TYPE_I8: - return ""; // "%i"; - case t_base_type::TYPE_I16: - return ""; // "%hi"; - case t_base_type::TYPE_I32: - return "(int)"; // "%i"; - case t_base_type::TYPE_I64: - return ""; // "%qi"; - case t_base_type::TYPE_DOUBLE: - return ""; // "%f"; - } - } else if (type->is_enum()) { - return "(int)"; // "%i"; - } else if (type->is_struct() || type->is_xception()) { - return ""; // "%@"; - } else if (type->is_map()) { - return ""; // "%@"; - } else if (type->is_set()) { - return ""; // "%@"; - } else if (type->is_list()) { - return ""; // "%@"; - } - - throw "INVALID TYPE IN format_cast_for_type: " + type->get_name(); -} - -/** - * Generate a call to a field's setter. - * - * @param tfield Field the setter is being called on - * @param fieldName Name of variable to pass to setter - */ - -string t_cocoa_generator::call_field_setter(t_field* tfield, string fieldName) { - return "self." + tfield->get_name() + " = " + fieldName + ";"; -} - -THRIFT_REGISTER_GENERATOR( - cocoa, - "Cocoa", - " log_unexpected: Log every time an unexpected field ID or type is encountered.\n" - " debug_descriptions:\n" - " Allow use of debugDescription so the app can add description via a cateogory/extension\n" - " validate_required:\n" - " Throws exception if any required field is not set.\n" - " async_clients: Generate clients which invoke asynchronously via block syntax.\n" - " pods: Generate imports in Cocopods framework format.\n" - " promise_kit: Generate clients which invoke asynchronously via promises.\n") |