[ wxwindows-Patches-1550397 ] Save and load CDATA in XML files

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Patches item #1550397, was opened at 2006-09-01 11:10
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Category: Common
Group: bug fix
Status: Open
Resolution: None
Priority: 5
Submitted By: Håkan Wiman (hakan_wiman)
Assigned to: Nobody/Anonymous (nobody)
Summary: Save and load CDATA in XML files

Initial Comment:
The wxXmlNode and wxXmlDocument wrappers around Expat
do not save or load <![CDATA[ *** ]]> sections. This
path fixes it.

Although, it has long been said that wxXmlDocument will
(may) be deprecated, I like this simple framework and
use it for a lot of xml based stuff. Therefore, it is a
crucial enhancement to be able to save and load CDATA
sections. The fix should be self-explanatory, but here
goes:

* When writing a node of type wxXML_CDATA_SECTION_NODE
we just add "<![CDATA[" followed by the content
(without entity replacements) and a trailing "]]>".

* When loading a CDATA section we:
 
1.) Add a handler StartCdataHnd which sets a bool flag,
bLastCdata, in the user data context to true and
creates an wxXML_CDATA_SECTION_NODE node and set it as
the lastAsText node.

2.) When the TextHnd handler is activated we check i
bLastCdata is true, in which case we *DO NOT* parse the
content, just add it as content to the
wxXML_CDATA_SECTION_NODE node. 

3.) As the EndCdataHnd is activated we set bLastCdata
to false.

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