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scanner: support "since" attribute for enum entries

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This was already in the DTD but not supported by the scanner.

The check for ever-increasing "since" tags is not strictly required for enum
entries as we control the binary value. But it keeps the xml file in
good order, preventing things like:

      <entry name="first" value="…" />
      <entry name="second" value="…" since="3"/>
      <entry name="third" value="…" since="2"/>
      <entry name="fourth" value="…" since="3"/>

If this is undesirable in the future the check can be removed without
side-effects.

Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
Reviewed-by: Pekka Paalanen <pekka.paalanen@collabora.co.uk>
This commit is contained in:
Peter Hutterer 2017-01-24 09:56:38 +10:00 • committed by Pekka Paalanen
parent 6c481003a2
commit f8ab47690c
8 changed files with 131 additions and 7 deletions
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8
tests/data/small.xml
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@ -26,7 +26,7 @@
SOFTWARE.
</copyright>
<interface name="intf_A" version="1">
<interface name="intf_A" version="3">
<description summary="the thing A">
A useless example trying to tickle the scanner.
</description>
@ -48,5 +48,11 @@
<request name="destroy" type="destructor"/>
<event name="hey"/>
<enum name="foo">
<entry name="first" value="0" summary="this is the first"/>
<entry name="second" value="1" summary="this is the second"/>
<entry name="third" value="2" since="2" summary="this is the third"/>
</enum>
</interface>
</protocol>