Add namespace support to C++
----------------------------
Key: AVRO-1026
URL: https://issues.apache.org/jira/browse/AVRO-1026
Project: Avro
Issue Type: Improvement
Components: c++
Affects Versions: 1.6.1
Reporter: Keh-Li Sheng
This patch adds support for reading and resolving schemas that use namespaces
for named types. Looking for a code review and application of the patch to
codebase.
Node is modified to take an additional NamespaceConcept attribute in the
template parameters. An additional stack has been added to the compiler context
to track when namespaces have been entered or left for resolving further
types/symbols. Symbolic resolution is now done against the "fullname" of the
type and not just by the name. Some string gymnastics were needed in other
areas of codegen in order to handle the new symbols.
Added very trivial tests to AvrogencppTests for schema generation by avrogencpp
and added a test schema (tweet) that has namespaces, a record definition inside
a namespace, and then a later symbolic reference by name within an outer
namespace. Also patched to work with gen-cppcode.py output. Note that
NodeImpl::printBasicInfo intentionally does not output the namespace since that
caused downstream breakage of gen-cppcode.py expected format.
github project was forked at https://github.com/bifflabs/avro
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