Hi all,
I'm implementing a minor enhancement to the adp parser to make null end
tags (aka empty elements or minimized tags) work. Or more simply, if
you have a registered adp tag where the end tag matches the opening tag,
then rather than
<mytag name="value"></mytag>
you can simply write
<mytag name="value" />
to create the tag with empty contents.
What my code does is to check that the element ends with a '/', the
endtag begins with a '/', and the endtag matches the beginning tag, and
if all that holds, then parse it as a complete tag pair with blank contents.
Two minor caveats: there must be something in between the tag and the
closing />, i.e., "<mytag/>" will not work. And to keep the attributes
clean, a trailing '/' in *any* attribute string (including those without
an endstring) will be dropped. (So the attribute set will no longer
contain /="/")
This does not make it into an xml parser, but merely allows a common
xml-ish construct to work.
Two questions:
1. Is the a good idea / does anyone object?
2. Have I forgotten anything?
Cheers,
-J
PS: in case you doubted that macros in C suck, remember that
#define STREQ(a,b) (((*a) == (*b)) && (strcmp((a),(b)) == 0))
is NOT the same as
#define STREQ(a,b) ((*(a) == *(b)) && (strcmp((a),(b)) == 0))
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