Protocol Buffers are a way of encoding structured data in an efficient yet extensible format. Google uses Protocol Buffers for almost all of its internal RPC protocols and file formats.
Protocol buffers are a flexible, efficient, automated mechanism for serializing structured data think XML, but smaller, faster, and simpler. You define how you want your data to be structured once, then you can use special generated source code to easily write and read your structured data to and from a variety of data streams and using a variety of languages. You can even update your data structure without breaking deployed programs that are compiled against the "old" format.
License: New BSD License
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Bumped up to 0.2.6
* fixed several compile warnings (thanks remi)
* (ExtensionRegistry) initialize class entry member when reallocating scheme.
Bumped up to 0.2.5.
* (jsonSerialize) fix memory size problem on CentOS 64bit box.
Bumped up to 0.2.4
* don't implement jsonSerialize twice.
Bumped up to 0.2.3
* supported jsonSerializable interface
* added ProtocolBuffersEnum::toArray() method
* #33 Message::append on a repeated field causes segfault, batch assigning it throws exception
* fixed refcounting problem
Bumped up to 0.2.2
* added IDE friendly stub file.
* added ProtocolBuffersEnum::getName($value) method.
* #31 fixes potential for segmentation fault when using camel case field name.
* #32 don't waste memory when retain parent message.