javamicro_enum.cc revision ede38fe9b9f93888e6e41afc7abb09525f44da95 
1// Protocol Buffers - Google's data interchange format
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30
31// Author: kenton@google.com (Kenton Varda)
32//  Based on original Protocol Buffers design by
33//  Sanjay Ghemawat, Jeff Dean, and others.
34
35#include <map>
36#include <string>
37
38#include <google/protobuf/compiler/javamicro/javamicro_params.h>
39#include <google/protobuf/compiler/javamicro/javamicro_enum.h>
40#include <google/protobuf/compiler/javamicro/javamicro_helpers.h>
41#include <google/protobuf/io/printer.h>
42#include <google/protobuf/descriptor.pb.h>
43#include <google/protobuf/stubs/strutil.h>
44
45namespace google {
46namespace protobuf {
47namespace compiler {
48namespace javamicro {
49
50EnumGenerator::EnumGenerator(const EnumDescriptor* descriptor, const Params& params)
51  : params_(params), descriptor_(descriptor) {
52  for (int i = 0; i < descriptor_->value_count(); i++) {
53    const EnumValueDescriptor* value = descriptor_->value(i);
54    const EnumValueDescriptor* canonical_value =
55      descriptor_->FindValueByNumber(value->number());
56
57    if (value == canonical_value) {
58      canonical_values_.push_back(value);
59    } else {
60      Alias alias;
61      alias.value = value;
62      alias.canonical_value = canonical_value;
63      aliases_.push_back(alias);
64    }
65  }
66}
67
68EnumGenerator::~EnumGenerator() {}
69
70void EnumGenerator::Generate(io::Printer* printer) {
71  printer->Print("// enum $classname$\n", "classname", descriptor_->name());
72  for (int i = 0; i < canonical_values_.size(); i++) {
73    map<string, string> vars;
74    vars["name"] = canonical_values_[i]->name();
75    vars["canonical_value"] = SimpleItoa(canonical_values_[i]->number());
76    printer->Print(vars,
77      "public static final int $name$ = $canonical_value$;\n");
78  }
79
80  // -----------------------------------------------------------------
81
82  for (int i = 0; i < aliases_.size(); i++) {
83    map<string, string> vars;
84    vars["name"] = aliases_[i].value->name();
85    vars["canonical_name"] = aliases_[i].canonical_value->name();
86    printer->Print(vars,
87      "public static final int $name$ = $canonical_name$;\n");
88  }
89
90  printer->Print("\n");
91}
92
93}  // namespace javamicro
94}  // namespace compiler
95}  // namespace protobuf
96}  // namespace google
97