| Yi Jin | f9ed04b | 2017-10-20 16:17:58 -0700 | [diff] [blame] | 1 | #include "stream_proto_utils.h" |
| 2 | |
| 3 | namespace android { |
| 4 | namespace stream_proto { |
| 5 | |
| 6 | /** |
| 7 | * Position of the field type in a (long long) fieldId. |
| 8 | */ |
| 9 | const uint64_t FIELD_TYPE_SHIFT = 32; |
| 10 | |
| 11 | // |
| 12 | // FieldId flags for whether the field is single, repeated or packed. |
| 13 | // TODO: packed is not supported yet. |
| 14 | // |
| 15 | const uint64_t FIELD_COUNT_SHIFT = 40; |
| 16 | const uint64_t FIELD_COUNT_MASK = 0x0fULL << FIELD_COUNT_SHIFT; |
| 17 | const uint64_t FIELD_COUNT_UNKNOWN = 0; |
| 18 | const uint64_t FIELD_COUNT_SINGLE = 1ULL << FIELD_COUNT_SHIFT; |
| 19 | const uint64_t FIELD_COUNT_REPEATED = 2ULL << FIELD_COUNT_SHIFT; |
| 20 | const uint64_t FIELD_COUNT_PACKED = 5ULL << FIELD_COUNT_SHIFT; |
| 21 | |
| 22 | uint64_t |
| 23 | get_field_id(const FieldDescriptorProto& field) |
| 24 | { |
| 25 | // Number |
| 26 | uint64_t result = (uint32_t)field.number(); |
| 27 | |
| 28 | // Type |
| 29 | result |= (uint64_t)field.type() << FIELD_TYPE_SHIFT; |
| 30 | |
| 31 | // Count |
| 32 | if (field.options().packed()) { |
| 33 | result |= FIELD_COUNT_PACKED; |
| 34 | } else if (field.label() == FieldDescriptorProto::LABEL_REPEATED) { |
| 35 | result |= FIELD_COUNT_REPEATED; |
| 36 | } else { |
| 37 | result |= FIELD_COUNT_SINGLE; |
| 38 | } |
| 39 | |
| 40 | return result; |
| 41 | } |
| 42 | |
| 43 | string |
| 44 | get_proto_type(const FieldDescriptorProto& field) |
| 45 | { |
| 46 | switch (field.type()) { |
| 47 | case FieldDescriptorProto::TYPE_DOUBLE: |
| 48 | return "double"; |
| 49 | case FieldDescriptorProto::TYPE_FLOAT: |
| 50 | return "float"; |
| 51 | case FieldDescriptorProto::TYPE_INT64: |
| 52 | return "int64"; |
| 53 | case FieldDescriptorProto::TYPE_UINT64: |
| 54 | return "uint64"; |
| 55 | case FieldDescriptorProto::TYPE_INT32: |
| 56 | return "int32"; |
| 57 | case FieldDescriptorProto::TYPE_FIXED64: |
| 58 | return "fixed64"; |
| 59 | case FieldDescriptorProto::TYPE_FIXED32: |
| 60 | return "fixed32"; |
| 61 | case FieldDescriptorProto::TYPE_BOOL: |
| 62 | return "bool"; |
| 63 | case FieldDescriptorProto::TYPE_STRING: |
| 64 | return "string"; |
| 65 | case FieldDescriptorProto::TYPE_GROUP: |
| 66 | return "group<unsupported!>"; |
| 67 | case FieldDescriptorProto::TYPE_MESSAGE: |
| 68 | return field.type_name(); |
| 69 | case FieldDescriptorProto::TYPE_BYTES: |
| 70 | return "bytes"; |
| 71 | case FieldDescriptorProto::TYPE_UINT32: |
| 72 | return "uint32"; |
| 73 | case FieldDescriptorProto::TYPE_ENUM: |
| 74 | return field.type_name(); |
| 75 | case FieldDescriptorProto::TYPE_SFIXED32: |
| 76 | return "sfixed32"; |
| 77 | case FieldDescriptorProto::TYPE_SFIXED64: |
| 78 | return "sfixed64"; |
| 79 | case FieldDescriptorProto::TYPE_SINT32: |
| 80 | return "sint32"; |
| 81 | case FieldDescriptorProto::TYPE_SINT64: |
| 82 | return "sint64"; |
| 83 | default: |
| 84 | // won't happen |
| 85 | return "void"; |
| 86 | } |
| 87 | } |
| 88 | |
| 89 | bool |
| 90 | should_generate_for_file(const CodeGeneratorRequest& request, const string& file) |
| 91 | { |
| 92 | const int N = request.file_to_generate_size(); |
| 93 | for (int i=0; i<N; i++) { |
| 94 | if (request.file_to_generate(i) == file) { |
| 95 | return true; |
| 96 | } |
| 97 | } |
| 98 | return false; |
| 99 | } |
| 100 | |
| 101 | } // stream_proto |
| 102 | } // android |