[Bluez-devel] Proposed DTD

Denis KENZIOR
2006-10-23T00:25:51Z

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Marcel,

Here's the proposed DTD for SDP over XML. It closely follows the SDP profile
doc. I wasn't sure whether sequences can be empty (which makes no sense to
me), so I required at least one element in a sequence. The sizes for Text,
URLs and Sequences was dropped. It can easily be inferred from parsing the
document.

I'd like to get some feedback as to how to manage things like Record Handle,
and RFCOMM/L2Cap channels, etc. For record handle I think it is easy, just
remove that particular attribute and let the SDP server figure it out. For
RFCOMM channel, etc it is more tricky. Should we use a magic value or just
override it behind the scenes? We can always rely on the user to pick a
correct channel as well (and fail registration if they pick a channel that is
already in use)

-Denis

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<!ELEMENT SdpRecord (Attribute)*>
<!ELEMENT Attribute (Sequence|Alternate|UUID16|UUID32|UUID128|UINT8|UINT16|UINT32|UINT64|UINT128|INT8|INT16|INT32|INT64|INT128|BOOL|Text|URL|NIL)>
<!ATTLIST Attribute id CDATA #REQUIRED>
<!ELEMENT Sequence (Sequence|Alternate|UUID16|UUID32|UUID128|UINT8|UINT16|UINT32|UINT64|UINT128|INT8|INT16|INT32|INT64|INT128|BOOL|Text|URL|NIL)+>
<!ELEMENT Alternate (Sequence|Alternate|UUID16|UUID32|UUID128|UINT8|UINT16|UINT32|UINT64|UINT128|INT8|INT16|INT32|INT64|INT128|BOOL|Text|URL|NIL)+>
<!ELEMENT UUID16 (#PCDATA)>
<!ELEMENT UUID32 (#PCDATA)>
<!ELEMENT UUID128 (#PCDATA)>
<!ELEMENT UINT8 (#PCDATA)>
<!ELEMENT UINT16 (#PCDATA)>
<!ELEMENT UINT32 (#PCDATA)>
<!ELEMENT UINT64 (#PCDATA)>
<!ELEMENT UINT128 (#PCDATA)>
<!ELEMENT INT8 (#PCDATA)>
<!ELEMENT INT16 (#PCDATA)>
<!ELEMENT INT32 (#PCDATA)>
<!ELEMENT INT64 (#PCDATA)>
<!ELEMENT INT128 (#PCDATA)>
<!ELEMENT BOOL (#PCDATA)>
<!ELEMENT URL (#PCDATA)>
<!ELEMENT Text (#PCDATA)>
<!ATTLIST Text type (data|string) "string">

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