107 lines
4.5 KiB
Plaintext
107 lines
4.5 KiB
Plaintext
2008-09-29 version 2.0.2:
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General
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* License changed from Apache 2.0 to New BSD.
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* It is now possible to define custom "options", which are basically
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annotations which may be placed on definitions in a .proto file.
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For example, you might define a field option called "foo" like so:
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import "google/protobuf/descriptor.proto"
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extend google.protobuf.FieldOptions {
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optional string foo = 12345;
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}
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Then you annotate a field using the "foo" option:
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message MyMessage {
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optional int32 some_field = 1 [(foo) = "bar"]
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}
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The value of this option is then visible via the message's
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Descriptor:
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const FieldDescriptor* field =
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MyMessage::descriptor()->FindFieldByName("some_field");
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assert(field->options().GetExtension(foo) == "bar");
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This feature has been implemented and tested in C++ and Java.
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Other languages may or may not need to do extra work to support
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custom options, depending on how they construct descriptors.
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C++
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* Fixed some GCC warnings that only occur when using -pedantic.
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* Improved static initialization code, making ordering more
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predictable among other things.
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* TextFormat will no longer accept messages which contain multiple
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instances of a singular field. Previously, the latter instance
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would overwrite the former.
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* Now works on systems that don't have hash_map.
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Java
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* Print @Override annotation in generated code where appropriate.
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Python
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* Strings now use the "unicode" type rather than the "str" type.
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String fields may still be assigned ASCII "str" values; they will
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automatically be converted.
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* Adding a property to an object representing a repeated field now
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raises an exception. For example:
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# No longer works (and never should have).
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message.some_repeated_field.foo = 1
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Windows
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* We now build static libraries rather than DLLs by default on MSVC.
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See vsprojects/readme.txt for more information.
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2008-08-15 version 2.0.1:
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protoc
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* New flags --encode and --decode can be used to convert between protobuf text
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format and binary format from the command-line.
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* New flag --descriptor_set_out can be used to write FileDescriptorProtos for
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all parsed files directly into a single output file. This is particularly
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useful if you wish to parse .proto files from programs written in languages
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other than C++: just run protoc as a background process and have it output
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a FileDescriptorList, then parse that natively.
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* Improved error message when an enum value's name conflicts with another
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symbol defined in the enum type's scope, e.g. if two enum types declared
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in the same scope have values with the same name. This is disallowed for
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compatibility with C++, but this wasn't clear from the error.
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* Fixed absolute output paths on Windows.
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* Allow trailing slashes in --proto_path mappings.
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C++
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* Reflection objects are now per-class rather than per-instance. To make this
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possible, the Reflection interface had to be changed such that all methods
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take the Message instance as a parameter. This change improves performance
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significantly in memory-bandwidth-limited use cases, since it makes the
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message objects smaller. Note that source-incompatible interface changes
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like this will not be made again after the library leaves beta.
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* Heuristically detect sub-messages when printing unknown fields.
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* Fix static initialization ordering bug that caused crashes at startup when
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compiling on Mac with static linking.
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* Fixed TokenizerTest when compiling with -DNDEBUG on Linux.
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* Fixed incorrect definition of kint32min.
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* Fix bytes type setter to work with byte sequences with embedded NULLs.
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* Other irrelevant tweaks.
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Java
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* Fixed UnknownFieldSet's parsing of varints larger than 32 bits.
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* Fixed TextFormat's parsing of "inf" and "nan".
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* Fixed TextFormat's parsing of comments.
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* Added info to Java POM that will be required when we upload the
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package to a Maven repo.
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Python
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* MergeFrom(message) and CopyFrom(message) are now implemented.
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* SerializeToString() raises an exception if the message is missing required
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fields.
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* Code organization improvements.
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* Fixed doc comments for RpcController and RpcChannel, which had somehow been
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swapped.
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* Fixed text_format_test on Windows where floating-point exponents sometimes
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contain extra zeros.
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* Fix Python service CallMethod() implementation.
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Other
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* Improved readmes.
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* VIM syntax highlighting improvements.
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2008-07-07 version 2.0.0:
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* First public release.
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