Bitsery changelog

Changelog History

Page 3

• v3.0.0 Changes

  September 21, 2017

  🔋 Features

  • 🔨 refactored interface, now works with C++11 compiler.
  • new extension Growable, that allows to have forward/backward compatability within this functions serialization flow. It only allows to append new data at the end of to existing flow without breaking old consumers.
    • old consumer: correctly read old interfce and ignore new data.
    • new consumer: get defaults (zero values) for new fields, when reading old data.
  • added new extension for associative map containers ContainerMap.
  • friendly static_assert message when serializing object, that doesn't have serialize function defined.
  • added object overload, that invokes user function/lambda with object. It is the same as calling user function directly, but makes more consistent API.
  • Serializer/Deserializer now have optional context parameter, that might be required in some specific serialization cases.
  • added traits for custom types specialization, in details/traits.h
  • 👌 improved serialization performance: added support for fixed size buffer for BufferWriter for best performance.
  • 👌 improved performance for reading/writing container sizes.
  • added new method to BufferReader getError which returns on of three values: NO_ERROR, BUFFER_OVERFLOW, INVALID_BUFFER_DATA, also added setError method, that is only used by Deserializer.

  💥 Breaking changes

  • now all serializer/deserializer functions return void, to avoid undefined behaviour for functions parameters evaluation when using method chaining. There was no benefits apart from nicer syntax, but could have undefined behaviour when building complex serialization flows.
  • removed SERIALIZE macro, and changed interface for all functions that use custom lambdas, to work with C++11. Now lambda function must capture serializer/deserializer.
  • to make serializer a little bit lighter removed advanced features and made available as extensions via extend method
    • removed range method, instead added ValueRange extension.
    • removed substitution method, instead added Entropy extension, to sound more familiar to entropy encoding term.
  • removed array, instead added fixed sizes overloads for container.
  • removed isValid method from Deserializer, only BufferReader/Writer store states.
  • container and text sizes representation changed, to allow much faster size reads/writes for small values.
  • 📇 renamed functions:
    • ext to extend and changed its interface, to make it more easy to extend.
    • alias functions that write bytes directly no has b (meaning bytes) at the end of the name eg. value4 now is value4b.
  • 🔄 changed BufferWriter/Reader behaviour:
    • added support for fixed size buffers for better serializer performance (more than 50% improvement). Default config is resizable buffer (std::vector).
    • after serialization, call getWrittenRange to get valid range written to buffer, because BufferWritter for resizable buffer now always resize to capacity to avoid using back_insert_iterator for better performance.
    • BufferReader has constructor with iterators (range), and raw value type pointers (begin, end).
  • renamed BufferReader isCompleted to isCompletedSuccessfully, that returns true only when there is no errors and buffer is fully read.

  🐛 Bug fixes

  • readBytes was reading in aligned mode, when scratch value from previous bit operations was zero.
  • writeBits had incorrect assert when writing negative int64_t.

• v2.0.1 Changes

  August 12, 2017

  Other notes

  • ➕ added travis build status

• v2.0.0 Changes

  July 25, 2017

  🔋 Features

  • endianness support, default network configuration is little endian
  • added user extensible function ext, to work with objects that require different serialization/deserialization path (e.g. pointers)
  • optional extension (for ext function), to work with std::optional types

  💥 Breaking changes

  • file structure changed, added details folder.
  • no longer support for implicit size converions for all functions (value, array, container), instead added helper functions with specific size, to avoid typing s.template value... within serialization function body
  • 🔄 changed parameters order for all functions that use custom function (lambda)
  • BufferReader and BufferWriter is now alias types for real types BasicBufferReader/Writer<DefaultConfig> (DefaultConfig is defined in common.h)

  🐛 Bug fixes

  • align method fixed in BufferReader

• v1.1.1 Changes

  February 23, 2017

  Notes

  • 🔄 changed folder structure
  • ➕ added more BufferReader constructors

• v1.0.0 Changes

  February 22, 2017

  🔋 Features

  Serialization functions:

  • value - [fundamental types](doc/design/fundamental_types.md)
  • container - dynamic size containers
  • array - fixed size containers
  • text - for c-array and std::string
  • range - compresion for fundamental types (e.g. int between [255..512] will take up 8bits
  • substitution - default value from list (e.g. 4d vector, that is most of the time equals to [0,0,0,1] can store only 1bit)
  • boolBit/boolByte - serialize bool, as 1bit or 1byte.

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