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Documenting XML interpolation inverse

db4
Daniel Ehrenberg 2009-02-05 21:26:40 -06:00
parent 86c3481f12
commit 51b5973b0e
1 changed files with 11 additions and 1 deletions
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12
basis/xml/syntax/syntax-docs.factor
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@ -84,7 +84,17 @@ $nl
word=<-word-> />
XML> pprint-xml ] "}
{" <?xml version="1.0" encoding="UTF-8"?>
<x number="3" url="http://factorcode.org/" string="hello" word="drop"/>"} } ;
<x number="3" url="http://factorcode.org/" string="hello" word="drop"/>"} }
"XML interpolation can also be used, in conjunction with " { $vocab-link "inverse" } " in pattern matching. For example:"
{ $example {" USING: sequences xml.syntax inverse ;
: dispatch ( xml -- string )
{
{ [ [XML <a><-></a> XML] ] [ "a" prepend ] }
{ [ [XML <b><-></b> XML] ] [ "b" prepend ] }
{ [ [XML <b val='yes'/> XML] ] [ "yes" ] }
{ [ [XML <b val=<->/> XML] ] [ "no" prepend ] }
} switch ;
[XML <a>pple</a> XML] dispatch write "} "apple" } ;
HELP: XML-NS:
{ $syntax "XML-NS: name http://url" }