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--- cookbooks:devel:transformations [2021/06/25 09:05] – [{s.rbefore,x}] miconda
+++ cookbooks:devel:transformations [2022/04/08 16:08] (current) – [URI Alias Transformations] miconda
@@ Line 877: / Line 877: @@
 </code>
+===== Socket Address Transformations =====
+Transformations related to socket address values (**proto:host:port**).
+==== {sock.host} ====
+Return the host part.
+==== {sock.port} ====
+Return the port part.
+==== {sock.proto} ====
+Return the proto part.
+==== {sock.touri} ====
+Return the socket address converted to SIP URI: **sip:host:port;transport=proto**.
 ===== URI Alias Transformations =====
@@ Line 898: / Line 918: @@
 </code>
+===== Value Transformations  =====
+Exported by **pv** module.
+==== {val.json} ====
+If value is $null, return empty string; if value is string, then it is escaped for use as json value (without surrounding quotes.
+<code c>
+$var(x) = '"name" <sip:name@a.com>';
+$(var(x){val.json}) => \"name\" <sip:name@a.com>
+</code>
+==== {val.n0} ====
+Return integer 0 for values that are $null.
+<code c>
+$sht(a=>x) = $null;
+$(sht(a=>x){val.n0}) => 0
+</code>
+==== {val.ne} ====
+Return empty string for values that are $null.
+<code c>
+$sht(a=>x) = $null;
+# $(sht(a=>x){val.ne});
+</code>
+==== {val.jsonqe} ====
+If value is $null, return quoted empty string; if value is string, then it is escaped for use as json value already with surrounding quotes; if the value is int, then it is preserved as it is.
+<code c>
+$var(x) = '"name" <sip:name@a.com>';
+$(var(x){val.jsonqe}) => "\"name\" <sip:name@a.com>"
+</code>