1 /*
2  * Licensed to the Apache Software Foundation (ASF) under one
3  * or more contributor license agreements. See the NOTICE file
4  * distributed with this work for additional information
5  * regarding copyright ownership. The ASF licenses this file
6  * to you under the Apache License, Version 2.0 (the
7  * "License"); you may not use this file except in compliance
8  * with the License. You may obtain a copy of the License at
9  *
10  *   http://www.apache.org/licenses/LICENSE-2.0
11  *
12  * Unless required by applicable law or agreed to in writing,
13  * software distributed under the License is distributed on an
14  * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15  * KIND, either express or implied. See the License for the
16  * specific language governing permissions and limitations
17  * under the License.
18  *
19  * Contains some contributions under the Thrift Software License.
20  * Please see doc/old-thrift-license.txt in the Thrift distribution for
21  * details.
22  */
23 
24 #include <cassert>
25 
26 #include <string>
27 #include <fstream>
28 #include <iostream>
29 #include <vector>
30 #include <cctype>
31 
32 #include <stdlib.h>
33 #include <sys/stat.h>
34 #include <sstream>
35 
36 #include "thrift/platform.h"
37 #include "thrift/generate/t_oop_generator.h"
38 
39 using std::map;
40 using std::ostream;
41 using std::ostringstream;
42 using std::string;
43 using std::stringstream;
44 using std::vector;
45 
46 static const string endl = "\n"; // avoid ostream << std::endl flushes
47 
48 class t_netcore_generator : public t_oop_generator
49 {
50 
51     struct member_mapping_scope
52     {
53     public:
member_mapping_scopemember_mapping_scope54         member_mapping_scope() : scope_member(0) { }
55         void* scope_member;
56         map<string, string> mapping_table;
57     };
58 
59 public:
60     t_netcore_generator(t_program* program, const map<string, string>& parsed_options, const string& option_string);
61 
62     bool is_wcf_enabled() const;
63     bool is_nullable_enabled() const;
64     bool is_hashcode_enabled() const;
65     bool is_serialize_enabled() const;
66     bool is_union_enabled() const;
67     map<string, int> get_keywords_list() const;
68 
69     // overrides
70     void init_generator();
71     void close_generator();
72     void generate_consts(vector<t_const*> consts);
73     void generate_consts(ostream& out, vector<t_const*> consts);
74     void generate_typedef(t_typedef* ttypedef);
75     void generate_enum(t_enum* tenum);
76     void generate_enum(ostream& out, t_enum* tenum);
77     void generate_struct(t_struct* tstruct);
78     void generate_xception(t_struct* txception);
79     void generate_service(t_service* tservice);
80 
81     void generate_property(ostream& out, t_field* tfield, bool isPublic, bool generateIsset);
82     void generate_netcore_property(ostream& out, t_field* tfield, bool isPublic, bool includeIsset = true, string fieldPrefix = "");
83     bool print_const_value(ostream& out, string name, t_type* type, t_const_value* value, bool in_static, bool defval = false, bool needtype = false);
84     string render_const_value(ostream& out, string name, t_type* type, t_const_value* value);
85     void print_const_constructor(ostream& out, vector<t_const*> consts);
86     void print_const_def_value(ostream& out, string name, t_type* type, t_const_value* value);
87     void generate_netcore_struct(t_struct* tstruct, bool is_exception);
88     void generate_netcore_union(t_struct* tunion);
89     void generate_netcore_struct_definition(ostream& out, t_struct* tstruct, bool is_xception = false, bool in_class = false, bool is_result = false);
90     void generate_netcore_union_definition(ostream& out, t_struct* tunion);
91     void generate_netcore_union_class(ostream& out, t_struct* tunion, t_field* tfield);
92     void generate_netcore_wcffault(ostream& out, t_struct* tstruct);
93     void generate_netcore_struct_reader(ostream& out, t_struct* tstruct);
94     void generate_netcore_struct_result_writer(ostream& out, t_struct* tstruct);
95     void generate_netcore_struct_writer(ostream& out, t_struct* tstruct);
96     void generate_netcore_struct_tostring(ostream& out, t_struct* tstruct);
97     void generate_netcore_struct_equals(ostream& out, t_struct* tstruct);
98     void generate_netcore_struct_hashcode(ostream& out, t_struct* tstruct);
99     void generate_netcore_union_reader(ostream& out, t_struct* tunion);
100     void generate_function_helpers(ostream& out, t_function* tfunction);
101     void generate_service_interface(ostream& out, t_service* tservice);
102     void generate_service_helpers(ostream& out, t_service* tservice);
103     void generate_service_client(ostream& out, t_service* tservice);
104     void generate_service_server(ostream& out, t_service* tservice);
105     void generate_process_function_async(ostream& out, t_service* tservice, t_function* function);
106     void generate_deserialize_field(ostream& out, t_field* tfield, string prefix = "", bool is_propertyless = false);
107     void generate_deserialize_struct(ostream& out, t_struct* tstruct, string prefix = "");
108     void generate_deserialize_container(ostream& out, t_type* ttype, string prefix = "");
109     void generate_deserialize_set_element(ostream& out, t_set* tset, string prefix = "");
110     void generate_deserialize_map_element(ostream& out, t_map* tmap, string prefix = "");
111     void generate_deserialize_list_element(ostream& out, t_list* list, string prefix = "");
112     void generate_serialize_field(ostream& out, t_field* tfield, string prefix = "", bool is_element = false, bool is_propertyless = false);
113     void generate_serialize_struct(ostream& out, t_struct* tstruct, string prefix = "");
114     void generate_serialize_container(ostream& out, t_type* ttype, string prefix = "");
115     void generate_serialize_map_element(ostream& out, t_map* tmap, string iter, string map);
116     void generate_serialize_set_element(ostream& out, t_set* tmap, string iter);
117     void generate_serialize_list_element(ostream& out, t_list* tlist, string iter);
118     void generate_netcore_doc(ostream& out, t_field* field);
119     void generate_netcore_doc(ostream& out, t_doc* tdoc);
120     void generate_netcore_doc(ostream& out, t_function* tdoc);
121     void generate_netcore_docstring_comment(ostream& out, string contents);
122     void docstring_comment(ostream& out, const string& comment_start, const string& line_prefix, const string& contents, const string& comment_end);
123     void start_netcore_namespace(ostream& out);
124     void end_netcore_namespace(ostream& out);
125 
126     string netcore_type_usings() const;
127     string netcore_thrift_usings() const;
128 
129     string type_name(t_type* ttype, bool in_countainer = false, bool in_init = false, bool in_param = false, bool is_required = false);
130     string base_type_name(t_base_type* tbase, bool in_container = false, bool in_param = false, bool is_required = false);
131     string declare_field(t_field* tfield, bool init = false, string prefix = "");
132     string function_signature_async(t_function* tfunction, string prefix = "");
133     string function_signature(t_function* tfunction, string prefix = "");
134     string argument_list(t_struct* tstruct);
135     string type_to_enum(t_type* ttype);
136     string prop_name(t_field* tfield, bool suppress_mapping = false);
137     string get_enum_class_name(t_type* type);
138 
139 private:
140     string namespace_name_;
141     string namespace_dir_;
142 
143     bool nullable_;
144     bool union_;
145     bool hashcode_;
146     bool serialize_;
147     bool wcf_;
148 
149     string wcf_namespace_;
150     map<string, int> netcore_keywords;
151     vector<member_mapping_scope> member_mapping_scopes;
152 
153     void init_keywords();
154     string normalize_name(string name);
155     string make_valid_csharp_identifier(string const& fromName);
156     void prepare_member_name_mapping(t_struct* tstruct);
157     void prepare_member_name_mapping(void* scope, const vector<t_field*>& members, const string& structname);
158     void cleanup_member_name_mapping(void* scope);
159     string get_mapped_member_name(string oldname);
160 };
161