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cookbooks:devel:transformations

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cookbooks:devel:transformations [2018/11/23 11:54]
miconda
cookbooks:devel:transformations [2019/08/19 14:30]
miconda [Parameters List Transformations]
Line 416: Line 416:
 The name of the transformation starts with 'param.'. The PV value is considered to be a string like name1=value1;name2=value2;...". The transformations returns the value for a specific parameter, or the name of a parameter at a specific index. The name of the transformation starts with 'param.'. The PV value is considered to be a string like name1=value1;name2=value2;...". The transformations returns the value for a specific parameter, or the name of a parameter at a specific index.
  
-Available transformations in this class:+Available transformations in this class are presented in the next sections. 
 + 
 +**Important Note:** the delimiter cannot be comma (,), because this trasformation is using SIP header/URI parameter parser and the comma is a delimiter between serialized SIP header/URI bodies. The workaround is to use the subst transformation to replace the comma with another character that is used then as separator.
  
  
Line 711: Line 713:
  
 $(hu{url.querystring}) => "this=is&the=querystring" $(hu{url.querystring}) => "this=is&the=querystring"
 +</code>
 +
 +===== JSON Transformations =====
 +
 +<fc #0000ff>This transformation class is exported by **json** module.</fc>
 +
 +
 +==== {json.parse} ====
 +
 +You can use the transformation to extract values from the json structured pseudo-variables
 +
 +<code>
 +
 +$var(Custom-Data) = $(rb{json.parse,Custom-Data});
 +
 </code> </code>
  
cookbooks/devel/transformations.txt · Last modified: 2022/04/08 18:08 by miconda