http://git-wip-us.apache.org/repos/asf/incubator-hawq/blob/928eade3/depends/thirdparty/thrift/compiler/cpp/src/generate/t_cocoa_generator.cc ---------------------------------------------------------------------- diff --git a/depends/thirdparty/thrift/compiler/cpp/src/generate/t_cocoa_generator.cc b/depends/thirdparty/thrift/compiler/cpp/src/generate/t_cocoa_generator.cc deleted file mode 100644 index a90c937..0000000 --- a/depends/thirdparty/thrift/compiler/cpp/src/generate/t_cocoa_generator.cc +++ /dev/null @@ -1,2856 +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 "t_oop_generator.h" -#include "platform.h" - -using std::map; -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; - - iter = parsed_options.find("log_unexpected"); - log_unexpected_ = (iter != parsed_options.end()); - - iter = parsed_options.find("validate_required"); - validate_required_ = (iter != parsed_options.end()); - - iter = parsed_options.find("async_clients"); - async_clients_ = (iter != parsed_options.end()); - - 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(std::ofstream& out, - std::string name, - t_type* type, - t_const_value* value, - bool defval = false, - bool is_property = false); - std::string render_const_value(ofstream& out, - t_type* type, - t_const_value* value, - bool containerize_it = false); - - void generate_cocoa_struct(t_struct* tstruct, bool is_exception); - void generate_cocoa_struct_interface(std::ofstream& out, - t_struct* tstruct, - bool is_xception = false); - void generate_cocoa_struct_implementation(std::ofstream& out, - t_struct* tstruct, - bool is_xception = false, - bool is_result = false); - void generate_cocoa_struct_initializer_signature(std::ofstream& out, t_struct* tstruct); - void generate_cocoa_struct_init_with_coder_method(ofstream& out, - t_struct* tstruct, - bool is_exception); - void generate_cocoa_struct_encode_with_coder_method(ofstream& out, - t_struct* tstruct, - bool is_exception); - void generate_cocoa_struct_hash_method(ofstream& out, t_struct* tstruct); - void generate_cocoa_struct_is_equal_method(ofstream& out, t_struct* tstruct); - void generate_cocoa_struct_field_accessor_declarations(std::ofstream& out, - t_struct* tstruct, - bool is_exception); - void generate_cocoa_struct_field_accessor_implementations(std::ofstream& out, - t_struct* tstruct, - bool is_exception); - void generate_cocoa_struct_reader(std::ofstream& out, t_struct* tstruct); - void generate_cocoa_struct_result_writer(std::ofstream& out, t_struct* tstruct); - void generate_cocoa_struct_writer(std::ofstream& out, t_struct* tstruct); - void generate_cocoa_struct_validator(std::ofstream& out, t_struct* tstruct); - void generate_cocoa_struct_description(std::ofstream& out, t_struct* tstruct); - - std::string function_result_helper_struct_type(t_function* tfunction); - std::string function_args_helper_struct_type(t_function* tfunction); - void generate_function_helpers(t_function* tfunction); - - /** - * Service-level generation functions - */ - - void generate_cocoa_service_protocol(std::ofstream& out, t_service* tservice); - void generate_cocoa_service_async_protocol(std::ofstream& out, t_service* tservice); - - void generate_cocoa_service_client_interface(std::ofstream& out, t_service* tservice); - void generate_cocoa_service_client_async_interface(std::ofstream& out, t_service* tservice); - - void generate_cocoa_service_client_send_function_implementation(ofstream& out, - t_function* tfunction); - void generate_cocoa_service_client_send_function_invocation(ofstream& out, t_function* tfunction); - void generate_cocoa_service_client_recv_function_implementation(ofstream& out, - t_function* tfunction); - void generate_cocoa_service_client_implementation(std::ofstream& out, t_service* tservice); - void generate_cocoa_service_client_async_implementation(std::ofstream& out, t_service* tservice); - - void generate_cocoa_service_server_interface(std::ofstream& out, t_service* tservice); - void generate_cocoa_service_server_implementation(std::ofstream& 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::ofstream& out, t_field* tfield, std::string fieldName); - - void generate_deserialize_struct(std::ofstream& out, t_struct* tstruct, std::string prefix = ""); - - void generate_deserialize_container(std::ofstream& out, t_type* ttype, std::string prefix = ""); - - void generate_deserialize_set_element(std::ofstream& out, t_set* tset, std::string prefix = ""); - - void generate_deserialize_map_element(std::ofstream& out, t_map* tmap, std::string prefix = ""); - - void generate_deserialize_list_element(std::ofstream& out, - t_list* tlist, - std::string prefix = ""); - - void generate_serialize_field(std::ofstream& out, t_field* tfield, std::string prefix = ""); - - void generate_serialize_struct(std::ofstream& out, t_struct* tstruct, std::string fieldName = ""); - - void generate_serialize_container(std::ofstream& out, t_type* ttype, std::string prefix = ""); - - void generate_serialize_map_element(std::ofstream& out, - t_map* tmap, - std::string iter, - std::string map); - - void generate_serialize_set_element(std::ofstream& out, t_set* tmap, std::string iter); - - void generate_serialize_list_element(std::ofstream& 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); - std::string base_type_name(t_base_type* tbase); - std::string declare_field(t_field* tfield); - std::string declare_property(t_field* tfield); - std::string function_signature(t_function* tfunction); - std::string async_function_signature(t_function* tfunction); - std::string argument_list(t_struct* tstruct); - std::string type_to_enum(t_type* ttype); - std::string format_string_for_type(t_type* type); - std::string call_field_setter(t_field* tfield, std::string fieldName); - std::string containerize(t_type* ttype, std::string fieldName); - std::string decontainerize(t_field* tfield, std::string fieldName); - - 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_; - - /** - * File streams - */ - - std::ofstream f_header_; - std::ofstream f_impl_; - - bool log_unexpected_; - bool validate_required_; - bool async_clients_; -}; - -/** - * 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 = 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 = get_out_dir() + program_name_ + ".m"; - f_impl_.open(f_impl_name.c_str()); - - f_impl_ << autogen_comment() << endl; - - f_impl_ << cocoa_imports() << cocoa_thrift_imports() << "#import \"" << f_header_name << "\"" - << endl << endl; -} - -/** - * 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() { - string result = string() + "#import \"TProtocol.h\"\n" + "#import \"TApplicationException.h\"\n" - + "#import \"TProtocolException.h\"\n" - + "#import \"TProtocolUtil.h\"\n" - + "#import \"TProcessor.h\"\n" - + "#import \"TObjective-C.h\"\n" - + "#import \"TBase.h\"\n" - + "#import \"TAsyncTransport.h\"\n" - + "#import \"TProtocolFactory.h\"\n" - + "#import \"TBaseClient.h\"\n" - + "\n"; - - // Include other Thrift includes - const vector<t_program*>& includes = program_->get_includes(); - for (size_t i = 0; i < includes.size(); ++i) { - result += "#import \"" + includes[i]->get_name() + ".h\"" + "\n"; - } - result += "\n"; - - return result; -} - -/** - * 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) { - f_header_ << indent() << "typedef " << type_name(ttypedef->get_type()) << " " << cocoa_prefix_ - << ttypedef->get_symbolic() << ";" << endl << endl; -} - -/** - * Generates code for an enumerated type. In Objective-C, this is - * essentially the same as the thrift definition itself, using the - * enum keyword in Objective-C. For namespace purposes, the name of - * the enum plus an underscore is prefixed onto each element. - * - * @param tenum The enumeration - */ -void t_cocoa_generator::generate_enum(t_enum* tenum) { - f_header_ << indent() << "enum " << 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() << 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. Primitive values - * could have been placed outside this class, but I just put - * everything in for consistency. - */ -void t_cocoa_generator::generate_consts(std::vector<t_const*> consts) { - std::ostringstream const_interface; - string constants_class_name = cocoa_prefix_ + program_name_ + "Constants"; - - const_interface << "@interface " << constants_class_name << " : NSObject "; - scope_up(const_interface); - scope_down(const_interface); - - // getter method for each constant defined. - vector<t_const*>::iterator c_iter; - for (c_iter = consts.begin(); c_iter != consts.end(); ++c_iter) { - string name = (*c_iter)->get_name(); - t_type* type = (*c_iter)->get_type(); - const_interface << "+ (" << type_name(type) << ") " << name << ";" << endl; - } - - const_interface << "@end"; - - // this gets spit into the header file in ::close_generator - constants_declarations_ = const_interface.str(); - - // static variables in the .m hold all 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_ << "static " << type_name(type) << " " << cocoa_prefix_ << name; - if (!type->is_container() && !type->is_struct()) { - f_impl_ << " = " << render_const_value(f_impl_, type, (*c_iter)->get_value()); - } - f_impl_ << ";" << endl; - } - f_impl_ << endl; - - f_impl_ << "@implementation " << constants_class_name << 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) { - if ((*c_iter)->get_type()->is_container() || (*c_iter)->get_type()->is_struct()) { - print_const_value(f_impl_, - cocoa_prefix_ + (*c_iter)->get_name(), - (*c_iter)->get_type(), - (*c_iter)->get_value(), - false, - 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(); - f_impl_ << "+ (" << 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(ofstream& out, - t_struct* tstruct, - bool is_exception) { - out << "@interface " << cocoa_prefix_ << tstruct->get_name() << " : "; - - if (is_exception) { - out << "NSException "; - } else { - out << "NSObject "; - } - out << "<TBase, NSCoding> "; - - scope_up(out); - - // members are protected. this is redundant, but explicit. - // f_header_ << endl << "@protected:" << endl; - - const vector<t_field*>& members = tstruct->get_members(); - - // member varialbes - vector<t_field*>::const_iterator m_iter; - for (m_iter = members.begin(); m_iter != members.end(); ++m_iter) { - out << indent() << declare_field(*m_iter) << endl; - } - - if (members.size() > 0) { - out << endl; - // isset fields - for (m_iter = members.begin(); m_iter != members.end(); ++m_iter) { - indent(out) << "BOOL __" << (*m_iter)->get_name() << "_isset;" << endl; - } - } - - scope_down(out); - out << endl; - - // properties - if (members.size() > 0) { - out << "#if TARGET_OS_IPHONE || (MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_5)" - << endl; - for (m_iter = members.begin(); m_iter != members.end(); ++m_iter) { - out << indent() << declare_property(*m_iter) << endl; - } - out << "#endif" << endl << endl; - } - - // default initializer - out << indent() << "- (id) init;" << endl; - - // initializer for all fields - if (!members.empty()) { - generate_cocoa_struct_initializer_signature(out, tstruct); - out << ";" << endl; - } - out << endl; - - // read and write - out << "- (void) read: (id <TProtocol>) inProtocol;" << endl; - out << "- (void) write: (id <TProtocol>) outProtocol;" << endl; - out << endl; - - // validator - out << "- (void) validate;" << endl << endl; - - // getters and setters - generate_cocoa_struct_field_accessor_declarations(out, tstruct, is_exception); - - 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(ofstream& out, - t_struct* tstruct) { - const vector<t_field*>& members = tstruct->get_members(); - vector<t_field*>::const_iterator m_iter; - indent(out) << "- (id) 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 getter and setter declarations for all fields, plus an - * IsSet getter. - */ -void t_cocoa_generator::generate_cocoa_struct_field_accessor_declarations(ofstream& out, - t_struct* tstruct, - bool is_exception) { - (void)is_exception; - const vector<t_field*>& members = tstruct->get_members(); - vector<t_field*>::const_iterator m_iter; - for (m_iter = members.begin(); m_iter != members.end(); ++m_iter) { - out << indent() << "#if !__has_feature(objc_arc)" << endl; - out << indent() << "- (" << type_name((*m_iter)->get_type()) << ") " - << decapitalize((*m_iter)->get_name()) << ";" << endl; - out << indent() << "- (void) set" << capitalize((*m_iter)->get_name()) << ": (" - << type_name((*m_iter)->get_type()) << ") " << (*m_iter)->get_name() << ";" << endl; - out << indent() << "#endif" << endl; - out << indent() << "- (BOOL) " << (*m_iter)->get_name() << "IsSet;" << endl << endl; - } -} - -/** - * 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(ofstream& out, - t_struct* tstruct, - bool is_exception) { - indent(out) << "- (id) initWithCoder: (NSCoder *) decoder" << endl; - scope_up(out); - if (is_exception) { - // NSExceptions conform to NSCoding, so we can call super - out << indent() << "self = [super initWithCoder: decoder];" << endl; - } else { - out << indent() << "self = [super init];" << 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 ([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() << "\"] retain_stub];" - << 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_BYTE: - 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); - } - - 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(ofstream& 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); - // out << indent() << "__" << (*m_iter)->get_name() << " = "; - 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_BYTE: - 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 hash method for this struct - */ -void t_cocoa_generator::generate_cocoa_struct_hash_method(ofstream& 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(ofstream& out, t_struct* tstruct) { - 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(); - - indent(out) << "if (![anObject isKindOfClass:[" << class_name << " class]]) {" << endl; - indent_up(); - indent(out) << "return NO;" << endl; - indent_down(); - indent(out) << "}" << endl; - - indent(out) << class_name << " *other = (" << class_name << " *)anObject;" << 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()); - 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(ofstream& 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() << "- (id) init" << endl; - scope_up(out); - out << indent() << "return [super initWithName: @\"" << cocoa_prefix_ << tstruct->get_name() - << "\" reason: @\"unknown\" userInfo: nil];" << endl; - scope_down(out); - out << endl; - } else { - // struct - - // default initializer - // setup instance variables with default values - indent(out) << "- (id) init" << endl; - scope_up(out); - indent(out) << "self = [super init];" << endl; - if (members.size() > 0) { - out << "#if TARGET_OS_IPHONE || (MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_5)" - << endl; - 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, - true); - } - } - out << "#endif" << endl; - } - 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; - } - - for (m_iter = members.begin(); m_iter != members.end(); ++m_iter) { - t_type* t = get_true_type((*m_iter)->get_type()); - out << indent() << "__" << (*m_iter)->get_name() << " = "; - if (type_can_be_null(t)) { - out << "[" << (*m_iter)->get_name() << " retain_stub];" << endl; - } else { - out << (*m_iter)->get_name() << ";" << endl; - } - out << indent() << "__" << (*m_iter)->get_name() << "_isset = YES;" << endl; - } - - 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); - - // dealloc - if (!members.empty()) { - out << "- (void) dealloc" << endl; - scope_up(out); - - for (m_iter = members.begin(); m_iter != members.end(); ++m_iter) { - t_type* t = get_true_type((*m_iter)->get_type()); - if (type_can_be_null(t)) { - indent(out) << "[__" << (*m_iter)->get_name() << " release_stub];" << endl; - } - } - - out << indent() << "[super dealloc_stub];" << endl; - scope_down(out); - out << endl; - } - - // 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(ofstream& out, t_struct* tstruct) { - out << "- (void) read: (id <TProtocol>) inProtocol" << 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) << "int fieldType;" << endl; - indent(out) << "int fieldID;" << endl; - out << endl; - - indent(out) << "[inProtocol readStructBeginReturningName: NULL];" << endl; - - // Loop over reading in fields - indent(out) << "while (true)" << endl; - scope_up(out); - - // Read beginning field marker - indent(out) - << "[inProtocol readFieldBeginReturningName: &fieldName type: &fieldType fieldID: &fieldID];" - << endl; - - // Check for field STOP marker and break - indent(out) << "if (fieldType == TType_STOP) { " << 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; - // if this is an allocated field, release it since the struct - // is now retaining it - if (type_can_be_null((*f_iter)->get_type())) { - // deserialized strings are autorelease, so don't release them - if (!(get_true_type((*f_iter)->get_type())->is_string())) { - indent(out) << "[fieldValue release_stub];" << endl; - } - } - - indent_down(); - out << indent() << "} else { " << endl; - if (log_unexpected_) { - out << indent() << " NSLog(@\"%s: field ID %i has unexpected type %i. Skipping.\", " - "__PRETTY_FUNCTION__, fieldID, fieldType);" << endl; - } - out << indent() << " [TProtocolUtil skipType: fieldType onProtocol: inProtocol];" << endl - << 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__, fieldID, fieldType);" << endl; - } - out << indent() << " [TProtocolUtil skipType: fieldType onProtocol: inProtocol];" << endl - << indent() << " break;" << endl; - - scope_down(out); - - // Read field end marker - indent(out) << "[inProtocol readFieldEnd];" << endl; - - scope_down(out); - - out << indent() << "[inProtocol readStructEnd];" << endl; - - // performs various checks (e.g. check that all required fields are set) - if (validate_required_) { - out << indent() << "[self validate];" << 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(ofstream& out, t_struct* tstruct) { - out << indent() << "- (void) write: (id <TProtocol>) outProtocol {" << 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() << "[outProtocol writeStructBeginWithName: @\"" << name << "\"];" << 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) << "[outProtocol writeFieldBeginWithName: @\"" << (*f_iter)->get_name() - << "\" type: " << type_to_enum((*f_iter)->get_type()) - << " fieldID: " << (*f_iter)->get_key() << "];" << endl; - - // Write field contents - generate_serialize_field(out, *f_iter, "__" + (*f_iter)->get_name()); - - // Write field closer - indent(out) << "[outProtocol writeFieldEnd];" << endl; - - if (null_allowed) { - scope_down(out); - } - scope_down(out); - } - // Write the struct map - out << indent() << "[outProtocol writeFieldStop];" << endl << indent() - << "[outProtocol writeStructEnd];" << 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(ofstream& out, t_struct* tstruct) { - out << indent() << "- (void) write: (id <TProtocol>) outProtocol {" << 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() << "[outProtocol writeStructBeginWithName: @\"" << name << "\"];" << 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) << "[outProtocol writeFieldBeginWithName: @\"" << (*f_iter)->get_name() - << "\" type: " << type_to_enum((*f_iter)->get_type()) - << " fieldID: " << (*f_iter)->get_key() << "];" << endl; - - // Write field contents - generate_serialize_field(out, *f_iter, "__" + (*f_iter)->get_name()); - - // Write field closer - indent(out) << "[outProtocol writeFieldEnd];" << endl; - - if (null_allowed) { - indent_down(); - indent(out) << "}" << endl; - } - - indent_down(); - indent(out) << "}"; - } - // Write the struct map - out << endl << indent() << "[outProtocol writeFieldStop];" << endl << indent() - << "[outProtocol writeStructEnd];" << 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(ofstream& out, t_struct* tstruct) { - out << indent() << "- (void) validate {" << 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) {" << endl << indent() - << " @throw [TProtocolException exceptionWithName: @\"TProtocolException\"" << endl - << indent() << " reason: @\"Required field '" - << (*f_iter)->get_name() << "' is not set.\"];" << endl << indent() << "}" << 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(ofstream& 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 getter - indent(out) << "- (" << type_name(type) << ") "; - out << field_name << " {" << endl; - indent_up(); - if (!type_can_be_null(type)) { - indent(out) << "return __" << field_name << ";" << endl; - } else { - indent(out) << "return [[__" << field_name << " retain_stub] autorelease_stub];" << endl; - } - indent_down(); - indent(out) << "}" << endl << endl; - - // Simple setter - indent(out) << "- (void) set" << cap_name << ": (" << type_name(type) << ") " << field_name - << " {" << endl; - indent_up(); - if (!type_can_be_null(type)) { - indent(out) << "__" << field_name << " = " << field_name << ";" << endl; - } else { - indent(out) << "[" << field_name << " retain_stub];" << endl; - indent(out) << "[__" << field_name << " release_stub];" << endl; - indent(out) << "__" << field_name << " = " << field_name << ";" << endl; - } - indent(out) << "__" << field_name << "_isset = YES;" << endl; - indent_down(); - indent(out) << "}" << endl << endl; - - // IsSet - indent(out) << "- (BOOL) " << field_name << "IsSet {" << endl; - indent_up(); - indent(out) << "return __" << field_name << "_isset;" << 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 << " release_stub];" << endl; - 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(ofstream& out, t_struct* tstruct) { - 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) << "\", __" - << (*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(); - generate_cocoa_struct_interface(f_impl_, ts, false); - generate_cocoa_struct_implementation(f_impl_, ts, false, false); - generate_function_helpers(*f_iter); - } -} - -string t_cocoa_generator::function_result_helper_struct_type(t_function* tfunction) { - if (tfunction->is_oneway()) { - return capitalize(tfunction->get_name()); - } else { - return capitalize(tfunction->get_name()) + "_result"; - } -} - -string t_cocoa_generator::function_args_helper_struct_type(t_function* tfunction) { - return tfunction->get_name() + "_args"; -} - -/** - * Generates a struct and helpers for a function. - * - * @param tfunction The function - */ -void t_cocoa_generator::generate_function_helpers(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(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(ofstream& 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) << ";" - << " // 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(ofstream& 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) << ";" << 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(ofstream& out, - t_service* tservice) { - out << "@interface " << cocoa_prefix_ << tservice->get_name() << "Client : TBaseClient <" - << cocoa_prefix_ << tservice->get_name() << "> "; - - 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(ofstream& out, - t_service* tservice) { - out << "@interface " << cocoa_prefix_ << tservice->get_name() << "ClientAsync : TBaseClient <" - << cocoa_prefix_ << tservice->get_name() << "Async> "; - - scope_up(out); - out << indent() << "id <TAsyncTransport> asyncTransport;" << endl; - scope_down(out); - - out << "- (id) initWithProtocolFactory: (id <TProtocolFactory>) factory " - "transport: (id <TAsyncTransport>) transport;" << 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(ofstream& out, - t_service* tservice) { - out << "@interface " << cocoa_prefix_ << tservice->get_name() - << "Processor : NSObject <TProcessor> "; - - scope_up(out); - out << indent() << "id <" << cocoa_prefix_ << tservice->get_name() << "> mService;" << endl; - out << indent() << "NSDictionary * mMethodMap;" << endl; - scope_down(out); - - 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( - ofstream& out, - t_function* tfunction) { - string funname = tfunction->get_name(); - - t_function send_function(g_type_void, - string("send_") + tfunction->get_name(), - tfunction->get_arglist()); - - string argsname = tfunction->get_name() + "_args"; - - // Open function - indent(out) << "- " << function_signature(&send_function) << endl; - scope_up(out); - - // Serialize the request - out << indent() << "[outProtocol writeMessageBeginWithName: @\"" << funname << "\"" - << (tfunction->is_oneway() ? " type: TMessageType_ONEWAY" : " type: TMessageType_CALL") - << " sequenceID: 0];" << endl; - - out << indent() << "[outProtocol writeStructBeginWithName: @\"" << argsname << "\"];" << 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() << "[outProtocol writeFieldBeginWithName: @\"" << fieldName - << "\"" - " type: " << type_to_enum((*fld_iter)->get_type()) - << " fieldID: " << (*fld_iter)->get_key() << "];" << endl; - - generate_serialize_field(out, *fld_iter, fieldName); - - out << indent() << "[outProtocol writeFieldEnd];" << endl; - - if (type_can_be_null((*fld_iter)->get_type())) { - indent_down(); - out << indent() << "}" << endl; - } - } - - out << indent() << "[outProtocol writeFieldStop];" << endl; - out << indent() << "[outProtocol writeStructEnd];" << endl; - out << indent() << "[outProtocol writeMessageEnd];" << endl; - scope_down(out); - out << endl; -} - -void t_cocoa_generator::generate_cocoa_service_client_recv_function_implementation( - ofstream& out, - t_function* tfunction) { - t_struct noargs(program_); - t_function recv_function(tfunction->get_returntype(), - string("recv_") + tfunction->get_name(), - &noargs, - tfunction->get_xceptions()); - // Open function - indent(out) << "- " << function_signature(&recv_function) << endl; - scope_up(out); - - // TODO(mcslee): Message validation here, was the seqid etc ok? - - // check for an exception - out << indent() << "TApplicationException * x = [self checkIncomingMessageException];" << endl - << indent() << "if (x != nil)"; - scope_up(out); - out << indent() << "@throw x;" << endl; - scope_down(out); - - // FIXME - could optimize here to reduce creation of temporary objects. - string resultname = function_result_helper_struct_type(tfunction); - out << indent() << cocoa_prefix_ << resultname << " * result = [[[" << cocoa_prefix_ << resultname - << " alloc] init] autorelease_stub];" << endl; - indent(out) << "[result read: inProtocol];" << endl; - indent(out) << "[inProtocol readMessageEnd];" << endl; - - // Careful, only return _result if not a void function - if (!tfunction->get_returntype()->is_void()) { - out << indent() << "if ([result successIsSet]) {" << endl << indent() - << " return [result success];" << endl << indent() << "}" << endl; - } - - 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 ([result " << (*x_iter)->get_name() << "IsSet]) {" << endl << indent() - << " @throw [result " << (*x_iter)->get_name() << "];" << endl << indent() << "}" << endl; - } - - // If you get here it's an exception, unless a void function - if (tfunction->get_returntype()->is_void()) { - indent(out) << "return;" << endl; - } else { - out << indent() << "@throw [TApplicationException exceptionWithType: " - "TApplicationException_MISSING_RESULT" << endl << indent() - << " reason: @\"" << tfunction->get_name() - << " failed: unknown result\"];" << 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( - ofstream& out, - t_function* tfunction) { - t_struct* arg_struct = tfunction->get_arglist(); - const vector<t_field*>& fields = arg_struct->get_members(); - vector<t_field*>::const_iterator fld_iter; - indent(out) << "[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; - } - } - out << "];" << endl; -} - -/** - * Generates a service client implementation. - * - * @param tservice The service to generate an implementation for - */ -void t_cocoa_generator::generate_cocoa_service_client_implementation(ofstream& out, - t_service* tservice) { - out << "@implementation " << cocoa_prefix_ << tservice->get_name() << "Client" << 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() << "inProtocol = [anInProtocol retain_stub];" << endl; - out << indent() << "outProtocol = [anOutProtocol retain_stub];" << 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, *f_iter); - - if (!(*f_iter)->is_oneway()) { - generate_cocoa_service_client_recv_function_implementation(out, *f_iter); - } - - // Open function - indent(out) << "- " << function_signature(*f_iter) << endl; - scope_up(out); - generate_cocoa_service_client_send_function_invocation(out, *f_iter); - - out << indent() << "[[outProtocol transport] flush];" << endl; - if (!(*f_iter)->is_oneway()) { - out << indent(); - if (!(*f_iter)->get_returntype()->is_void()) { - out << "return "; - } - out << "[self recv_" << (*f_iter)->get_name() << "];" << endl; - } - scope_down(out); - out << endl; - } - indent_down(); - 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(ofstream& out, - t_service* tservice) { - out << "@implementation " << cocoa_prefix_ << tservice->get_name() << "ClientAsync" << endl - << endl << "- (id) initWithProtocolFactory: (id <TProtocolFactory>) factory " - "transport: (id <TAsyncTransport>) transport;" << endl; - - scope_up(out); - out << indent() << "self = [super init];" << endl; - out << indent() << "inProtocol = [[factory newProtocolOnTransport:transport] retain_stub];" - << endl; - out << indent() << "outProtocol = inProtocol;" << endl; - out << indent() << "asyncTransport = transport;" << 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, *f_iter); - - if (!(*f_iter)->is_oneway()) { - generate_cocoa_service_client_recv_function_implementation(out, *f_iter); - } - - // Open function - indent(out) << "- " << async_function_signature(*f_iter) << endl; - scope_up(out); - indent(out) << "@try {" << endl; - indent_up(); - generate_cocoa_service_client_send_function_invocation(out, *f_iter); - indent_down(); - out << indent() << "} @catch(TException * texception) {" << endl; - indent_up(); - out << indent() << "failureBlock(texception);" << endl << indent() << "return;" << endl; - indent_down(); - indent(out) << "}" << endl; - - out << indent() << "[asyncTransport flush:^{" << endl; - indent_up(); - - out << indent() << "@try {" << endl; - indent_up(); - - string recv_invocation = "[self recv_" + (*f_iter)->get_name() + "]"; - if (!(*f_iter)->is_oneway() && (*f_iter)->get_returntype()->is_void()) { - out << indent() << recv_invocation << ";" << endl; - } - out << indent() << "responseBlock("; - if (!(*f_iter)->is_oneway() && !(*f_iter)->get_returntype()->is_void()) { - out << recv_invocation; - } - out << ");" << endl; - - indent_down(); - - out << indent() << "} @catch(TException * texception) {" << endl; - indent_up(); - - out << indent() << "failureBlock(texception);" << endl; - - indent_down(); - out << indent() << "}" << endl; - - indent_down(); - out << indent() << "} failure:failureBlock];" << 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(ofstream& out, - t_service* tservice) { - out << "@implementation " << cocoa_prefix_ << tservice->get_name() << "Processor" << endl; - - // initializer - out << endl; - out << "- (id) initWith" << tservice->get_name() << ": (id <" << cocoa_prefix_ - << tservice->get_name() << ">) service" << endl; - scope_up(out); - out << indent() << "self = [super init];" << endl; - out << indent() << "if (!self) {" << endl; - out << indent() << " return nil;" << endl; - out << indent() << "}" << endl; - out << indent() << "mService = [service retain_stub];" << endl; - out << indent() << "mMethodMap = [[NSMutableDictionary dictionary] retain_stub];" << 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:);" << 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() << "[mMethodMap setValue: invocation forKey: @\"" << funname << "\"];" << endl; - 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 [[mService retain_stub] autorelease_stub];" << 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() << "{" << endl; - out << indent() << " NSString * messageName;" << endl; - out << indent() << " int messageType;" << endl; - out << indent() << " int seqID;" << endl; - out << indent() << " [inProtocol readMessageBeginReturningName: &messageName" << endl; - out << indent() << " type: &messageType" << endl; - out << indent() << " sequenceID: &seqID];" << endl; - out << indent() << " NSInvocation * invocation = [mMethodMap valueForKey: messageName];" << endl; - out << indent() << " if (invocation == nil) {" << endl; - out << indent() << " [TProtocolUtil skipType: TType_STRUCT onProtocol: inProtocol];" << endl; - out << indent() << " [inProtocol readMessageEnd];" << endl; - out << indent() << " TApplicationException * x = [TApplicationException exceptionWithType: " - "TApplicationException_UNKNOWN_METHOD reason: [NSString stringWithFormat: " - "@\"Invalid method name: '%@'\", messageName]];" << endl; - out << indent() << " [outProtocol writeMessageBeginWithName: messageName" << endl; - out << indent() << " type: TMessageType_EXCEPTION" << endl; - out << indent() << " sequenceID: seqID];" << endl; - out << indent() << " [x write: outProtocol];" << endl; - out << indent() << " [outProtocol writeMessageEnd];" << endl; - out << indent() << " [[outProtocol transport] flush];" << 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 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() << "- (void) process_" << funname - << "_withSequenceID: (int32_t) seqID inProtocol: (id<TProtocol>) inProtocol outProtocol: " - "(id<TProtocol>) outProtocol" << endl; - scope_up(out); - string argstype = cocoa_prefix_ + function_args_helper_struct_type(*f_iter); - out << indent() << argstype << " * args = [[" << argstype << " alloc] init];" << endl; - out << indent() << "[args read: inProtocol];" << endl; - out << indent() << "[inProtocol readMessageEnd];" << endl; - - // prepare the result if not oneway - if (!(*f_iter)->is_oneway()) { - string resulttype = cocoa_prefix_ + function_result_helper_struct_type(*f_iter); - out << indent() << resulttype << " * result = [[" << resulttype << " alloc] init];" << endl; - } - - // make the call to the actual service object - out << indent(); - if (!(*f_iter)->get_returntype()->is_void()) { - out << "[result setSuccess: "; - } - out << "[mService " << 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 << "]"; - } - } - out << "]"; - if (!(*f_iter)->get_returntype()->is_void()) { - out << "]"; - } - out << ";" << endl; - - // write out the result if not oneway - if (!(*f_iter)->is_oneway()) { - out << indent() << "[outProtocol writeMessageBeginWithName: @\"" << funname << "\"" << endl; - out << indent() << " type: TMessageType_REPLY" << endl; - out << indent() << " sequenceID: seqID];" << endl; - out << indent() << "[result write: outProtocol];" << endl; - out << indent() << "[outProtocol writeMessageEnd];" << endl; - out << indent() << "[[outProtocol transport] flush];" << endl; - out << indent() << "[result release_stub];" << endl; - } - out << indent() << "[args release_stub];" << endl; - - scope_down(out); - } - - // dealloc - out << endl; - out << "- (void) dealloc" << endl; - scope_up(out); - out << indent() << "[mService release_stub];" << endl; - out << indent() << "[mMethodMap release_stub];" << endl; - out << indent() << "[super dealloc_stub];" << endl; - scope_down(out); - out << endl; - - 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(ofstream& 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 << " = [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 (((t_base_type*)type)->is_binary()) { - out << "readBinary];"; - } else { - out << "readString];"; - } - break; - case t_base_type::TYPE_BOOL: - out << "readBool];"; - break; - case t_base_type::TYPE_BYTE: - out << "readByte];"; - break; - case t_base_type::TYPE_I16: - out << "readI16];"; - break; - case t_base_type::TYPE_I32: - out << "readI32];"; - break; - case t_base_type::TYPE_I64: - out << "readI64];"; - break; - case t_base_type::TYPE_DOUBLE: - out << "readDouble];"; - 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];"; - } - out << 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(ofstream& out, - t_struct* tstruct, - string fieldName) { - indent(out) << type_name(tstruct) << fieldName << " = [[" << type_name(tstruct, true) - << " alloc] init];" << endl; - indent(out) << "[" << fieldName << " read: inProtocol];" << endl; -} - -/** - * Deserializes a container by reading its size and then iterating - */ -void t_cocoa_generator::generate_deserialize_container(ofstream& out, - t_type* ttype, - string fieldName) { - string size = tmp("_size"); - indent(out) << "int " << size << ";" << endl; - - // Declare variables, read header - if (ttype->is_map()) { - indent(out) << "[inProtocol readMapBeginReturningKeyType: NULL valueType: NULL size: &" << size - << "];" << endl; - indent(out) << "NSMutableDictionary * " << fieldName - << " = [[NSMutableDictionary alloc] initWithCapacity: " << size << "];" << endl; - } else if (ttype->is_set()) { - indent(out) << "[inProtocol readSetBeginReturningElementType: NULL size: &" << size << "];" - << endl; - indent(out) << "NSMutableSet * " << fieldName - << " = [[NSMutableSet alloc] initWithCapacity: " << size << "];" << endl; - } else if (ttype->is_list()) { - indent(out) << "[inProtocol readListBeginReturningElementType: NULL size: &" << size << "];" - << 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) << "[inProtocol readMapEnd];" << endl; - } else if (ttype->is_set()) { - indent(out) << "[inProtocol readSetEnd];" << endl; - } else if (ttype->is_list()) { - indent(out) << "[inProtocol readListEnd];" << 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::containerize(t_type* ttype, string fieldName) { - // FIXME - optimize here to avoid autorelease pool? - ttype = get_true_type(ttype); - if (ttype->is_enum()) { - return "[NSNumber numberWithInt: " + fieldName + "]"; - } 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 containerize void"; - case t_base_type::TYPE_BOOL: - return "[NSNumber numberWithBool: " + fieldName + "]"; - case t_base_type::TYPE_BYTE: - return "[NSNumber numberWithUnsignedChar: " + fieldName + "]"; - case t_base_type::TYPE_I16: - return "[NSNumber numberWithShort: " + fieldName + "]"; - case t_base_type::TYPE_I32: - return "[NSNumber numberWithLong: " + fieldName + "]"; - case t_base_type::TYPE_I64: - return "[NSNumber numberWithLongLong: " + fieldName + "]"; - case t_base_type::TYPE_DOUBLE: - return "[NSNumber numberWithDouble: " + fieldName + "]"; - default: - break; - } - } - - // do nothing - return fieldName; -} - -/** - * Generates code to deserialize a map element - */ -void t_cocoa_generator::generate_deserialize_map_element(ofstream& 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: " << containerize(valType, val) - << " forKey: " << containerize(keyType, key) << "];" << endl; - - if (type_can_be_null(keyType)) { - if (!(get_true_type(keyType)->is_string())) { - indent(out) << "[" << containerize(keyType, key) << " release_stub];" << endl; - } - } - - if (type_can_be_null(valType)) { - if (!(get_true_type(valType)->is_string())) { - indent(out) << "[" << containerize(valType, val) << " release_stub];" << endl; - } - } -} - -/** - * Deserializes a set element - */ -void t_cocoa_generator::generate_deserialize_set_element(ofstream& 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: " << containerize(type, elem) << "];" << endl; - - if (type_can_be_null(type)) { - // deserialized strings are autorelease, so don't release them - if (!(get_true_type(type)->is_string())) { - indent(out) << "[" << containerize(type, elem) << " release_stub];" << endl; - } - } -} - -/** - * Deserializes a list element - */ -void t_cocoa_generator::generate_deserialize_list_element(ofstream& 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: " << containerize(type, elem) << "];" << endl; - - if (type_can_be_null(type)) { - if (!(get_true_type(type)->is_string())) { - indent(out) << "[" << containerize(type, elem) << " release_stub];" << 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(ofstream& 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) << "[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 (((t_base_type*)type)->is_binary()) { - out << "writeBinary: " << fieldName << "];"; - } else { - out << "writeString: " << fieldName << "];"; - } - break; - case t_base_type::TYPE_BOOL: - out << "writeBool: " << fieldName << "];"; - break; - case t_base_type::TYPE_BYTE: - out << "writeByte: " << fieldName << "];"; - break; - case t_base_type::TYPE_I16: - out << "writeI16: " << fieldName << "];"; - break; - case t_base_type::TYPE_I32: - out << "writeI32: " << fieldName << "];"; - break; - case t_base_type::TYPE_I64: - out << "writeI64: " << fieldName << "];"; - break; - case t_base_type::TYPE_DOUBLE: - out << "writeDouble: " << fieldName << "];"; - 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 << "];"; - } - out << 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(ofstream& out, - t_struct* tstruct, - string fieldName) { - (void)tstruct; - out << indent() << "[" << fieldName << " write: outProtocol];" << 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(ofstream& out, - t_type* ttype, - string fieldName) { - scope_up(out); - - if (ttype->is_map()) { - indent(out) << "[outProtocol writeMapBeginWithKeyType: " - << type_to_enum(((t_map*)ttype)->get_key_type()) - << " valueType: " << type_to_enum(((t_map*)ttype)->get_val_type()) << " size: [" - << fieldName << " count]];" << endl; - } else if (ttype->is_set()) { - indent(out) << "[outProtocol writeSetBeginWithElementType: " - << type_to_enum(((t_set*)ttype)->get_elem_type()) << " size: [" << fieldName - << " count]];" << endl; - } else if (ttype->is_list()) { - indent(out) << "[outProtocol writeListBeginWithElementType: " - << type_to_enum(((t_list*)ttype)->get_elem_type()) << " size: [" << fieldName - << " count]];" << 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) << "[outProtocol writeMapEnd];" << endl; - } else if (ttype->is_set()) { - indent(out) << "[outProtocol writeSetEnd];" << endl; - } else if (ttype->is_list()) { - indent(out) << "[outProtocol writeListEnd];" << endl; - } - - scope_down(out); -} - -/** - * Given a field variable name, wrap it in code that converts it to a - * primitive type, if necessary. - */ -string t_cocoa_generator::decontainerize(t_field* tfield, string fieldName) { - t_type* ttype = get_true_type(tfield->get_type()); - if (ttype->is_enum()) { - return "[" + fieldName + " 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 decontainerize void"; - case t_base_type::TYPE_BOOL: - return "[" + fieldName + " boolValue]"; - case t_base_type::TYPE_BYTE: - return "[" + fieldName + " unsignedCharValue]"; - case t_base_type::TYPE_I16: - return "[" + fieldName + " shortValue]"; - case t_base_type::TYPE_I32: - return "[" + fieldName + " longValue]"; - case t_base_type::TYPE_I64: - return "[" + fieldName + " longLongValue]"; - case t_base_type::TYPE_DOUBLE: - return "[" + fieldName + " doubleValue]"; - default: - break; - } - } - - // do nothing - return fieldName; -} - -/** - * Serializes the members of a map. - */ -void t_cocoa_generator::generate_serialize_map_element(ofstream& out, - t_map* tmap, - string key, - string mapName) { - t_field kfield(tmap->get_key_type(), key); - generate_serialize_field(out, &kfield, decontainerize(&kfield, key)); - t_field vfield(tmap->get_val_type(), "[" + mapName + " objectForKey: " + key + "]"); - generate_serialize_field(out, &vfield, decontainerize(&vfield, vfield.get_name())); -} - -/** - * Serializes the members of a set. - */ -void t_cocoa_generator::generate_serialize_set_element(ofstream& out, - t_set* tset, - string elementName) { - t_field efield(tset->get_elem_type(), elementName); - generate_serialize_field(out, &efield, decontainerize(&efield, elementName)); -} - -/** - * Serializes the members of a list. - */ -void t_cocoa_generator::generate_serialize_list_element(ofstream& out, - t_list* tlist, - string index, - string listName) { - t_field efield(tlist->get_elem_type(), "[" + listName + " objectAtIndex: " + index + "]"); - generate_serialize_field(out, &efield, decontainerize(&efield, 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 Java type name, i.e. HashMap<Key,Value> - */ -string t_cocoa_generator::type_name(t_type* ttype, bool class_ref) { - if (ttype->is_typedef()) { - t_program* program = ttype->get_program(); - return program ? (program->get_namespace("cocoa") + ttype->get_name()) : ttype->get_name(); - } - - string result; - if (ttype->is_base_type()) { - return base_type_name((t_base_type*)ttype); - } else if (ttype->is_enum()) { - return "int"; - } else if (ttype->is_map()) { - result = "NSMutableDictionary"; - } else if (ttype->is_set()) { - result = "NSMutableSet"; - } else if (ttype->is_list()) { - result = "
<TRUNCATED>
