diff options
Diffstat (limited to 'csharp/src/Google.Protobuf/Reflection/MessageDescriptor.cs')
| -rw-r--r-- | csharp/src/Google.Protobuf/Reflection/MessageDescriptor.cs | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/csharp/src/Google.Protobuf/Reflection/MessageDescriptor.cs b/csharp/src/Google.Protobuf/Reflection/MessageDescriptor.cs index 82901f1b..e599998e 100644 --- a/csharp/src/Google.Protobuf/Reflection/MessageDescriptor.cs +++ b/csharp/src/Google.Protobuf/Reflection/MessageDescriptor.cs @@ -62,6 +62,7 @@ namespace Google.Protobuf.Reflection private readonly IList<EnumDescriptor> enumTypes; private readonly IList<FieldDescriptor> fieldsInDeclarationOrder; private readonly IList<FieldDescriptor> fieldsInNumberOrder; + private readonly IDictionary<string, FieldDescriptor> jsonFieldMap; private readonly FieldCollection fields; private readonly IList<OneofDescriptor> oneofs; // CLR representation of the type described by this descriptor, if any. @@ -95,6 +96,8 @@ namespace Google.Protobuf.Reflection (field, index) => new FieldDescriptor(field, file, this, index, generatedCodeInfo == null ? null : generatedCodeInfo.PropertyNames[index])); fieldsInNumberOrder = new ReadOnlyCollection<FieldDescriptor>(fieldsInDeclarationOrder.OrderBy(field => field.FieldNumber).ToArray()); + // TODO: Use field => field.Proto.JsonName when we're confident it's appropriate. (And then use it in the formatter, too.) + jsonFieldMap = new ReadOnlyDictionary<string, FieldDescriptor>(fieldsInNumberOrder.ToDictionary(field => JsonFormatter.ToCamelCase(field.Name))); file.DescriptorPool.AddSymbol(this); fields = new FieldCollection(this); } @@ -255,6 +258,18 @@ namespace Google.Protobuf.Reflection return messageDescriptor.fieldsInNumberOrder; } + // TODO: consider making this public in the future. (Being conservative for now...) + + /// <value> + /// Returns a read-only dictionary mapping the field names in this message as they're used + /// in the JSON representation to the field descriptors. For example, a field <c>foo_bar</c> + /// in the message would result in an entry with a key <c>fooBar</c>. + /// </value> + internal IDictionary<string, FieldDescriptor> ByJsonName() + { + return messageDescriptor.jsonFieldMap; + } + /// <summary> /// Retrieves the descriptor for the field with the given number. /// </summary> |