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protobluff-0.3.0
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@squidfunk squidfunk released this 30 Nov 16:48
· 65 commits to master since this release
0.3.0
fe37a29

Complete overhaul of the internal structure: an encoder and decoder have been implemented which now form the core of protobluff, together with the buffer, descriptor and varint-packing logic. protobluff is turning into a full-featured multi-purpose library: messages can be streamed using the encoding and/or decoding functions, fields and messages can be read and written without decoding/encoding the entire message using the message and cursor functions (as before).

In addition protobluff has been split into a lite and full runtime. The lite runtime only contains the core functionality and currently weighs 14kb (stripped) on x86_64, the full runtime weighs 36kb (stripped). Though not being the highest priority task on the list, compatibility with embedded environments is planned, as the groundwork has now been done. Furthermore the project structure has been revamped and is now completely modular, and some examples on how to use protobluff for encoding/decoding were added.

Regardless of the addition of a whole bunch of new functions, this release is mostly compatible with prior versions. Nevertheless, the libtool version has been updated to 2.0.0 to reflect some breaking changes. See the MIGRATION file for more information on how to migrate from older versions.

Runtime:

  • Complete overhaul of runtime
  • Fixed improper encoding and decoding of zig-zag encoded varints
  • Added functions for type-specific packing and unpacking of varints
  • Added function to efficiently grow buffers
  • Added decoder and encoder to stream messages
  • Added tests for all new structures
  • Added validator as a replacement for pb_message_check()
  • Added some usage examples for encoding and decoding messages
  • Changed directory structure to reflect new modular design
  • Changed macros to inline functions for better type checking
  • Renamed binary into buffer and fleshed out the implementation
  • Renamed binary stream into stream and refactored implementation
  • Merged journaling with binary functionality into journal
  • Merged descriptors into single translation unit
  • Adapted existing code to work with new internal structure

Generator:

  • Fixed accessor generation for nested enumerations
  • Added compile-time field, message, enum and enum value deprecations
  • Added generators for interfacing with the decoder and encoder
  • Changed generated code from macros to inline functions
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