Encoding
and Decoding WSP Headers
This tutorial describes the steps to encode and decode WSP headers.
Introduction
Wireless Session Protocol
(WSP) offers services that are most suited for browsing applications. It provides
functionality equivalent to HTTP 1.1 which incorporates features such as long-lived
sessions, a common facility for data push, capability negotiation and session
suspend/resume. For more details on WSP services, refer to WAP WSP.
- Reading headers in a WSP buffer
TWspField object holds the name and value pair of the WSP header field. TWspHeaderSegmenter pulls the header / value pair out of the WSP buffer (into TWspField). Call TWspHeaderSegmenter::NextL() to iterate through the WSP buffer. It calls TWspPrimitiveDecoder.
- WSP Header Primitive Encoding
TWspPrimitiveEncoder allows encoding of header values. This encodes the input using various WSP encoding methods as follows: TWspPrimitiveEncoder is used to convert data into binary strings.
- WSP Header Primitive Decoding
TWspPrimitiveDecoder allows decoding the primitive values of the header. This allows interpreting the encoded header.
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