[generator] Support XML defined enums with no JNI info. #659
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jonpryor
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Jun 11, 2020
Fixes: #515 Our `.csv` format for specifying enums allows creating enum fields that do not map to a JNI field. This is often used to add a `None` enum field to a Java `[Flags]` enum: 0,,0,Android.AccessibilityServices.AccessibilityServiceCapabilities,None However our XML format does not support this because it considers the (`//mapping/@jni-class` or `//mapping/@jni-interface`) and `//mapping/@jni-name` attributes to be mandatory when translating the XML format to `.csv` format. We can remove this restriction and correctly generate the needed `.csv` format so that users using the XML format can add arbitrary enums that `generator` knows about, permitting: <mapping clr-enum-type='Android.Support.V4.App.FragmentTagType' bitfield='true'> <field clr-name='Name' value='0' /> <field clr-name='Id' value='1' /> <field clr-name='Tag' value='2' /> </mapping> in addition to the previously required: <mapping jni-interface='android/support/v4/app/FragmentActivity$FragmentTag' clr-enum-type='Android.Support.V4.App.FragmentTagType' bitfield='true'> <field jni-name='Fragment_name' clr-name='Name' value='0' /> <field jni-name='Fragment_id' clr-name='Id' value='1' /> <field jni-name='Fragment_tag' clr-name='Tag' value='2' /> </mapping>
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Fixes #515.
Our CSV format for specifying enums supports creating enum fields that do not map to a JNI field. This is often used to add a
Noneenum field to a Java[Flags]enum:However our XML format does not support this because it considers the
jni-class/jni-interfaceandjni-nameattributes mandatory when translating the XML format to CSV format.We can lift this restriction and correctly generate the needed CSV format so that users using the XML format can add arbitrary enums that
generatorknows about.So this is now supported:
in addition to the old requirements: