1.1 --- a/XSLForms/Output.py	Mon Nov 28 01:28:31 2005 +0000
     1.2 +++ b/XSLForms/Output.py	Mon Nov 28 16:44:46 2005 +0000
     1.3 @@ -316,6 +316,22 @@
     1.4  
     1.5  # Utility functions.
     1.6  
     1.7 +def choice(context, value, true_string, false_string=None):
     1.8 +
     1.9 +    """
    1.10 +    Exposed as {template:choice(value, true_string, false_string)}.
    1.11 +
    1.12 +    Using the given boolean 'value', which may itself be an expression evaluated
    1.13 +    by the XSLT processor, return the 'true_string' if 'value' is true or the
    1.14 +    'false_string' if 'value' is false. If 'false_string' is omitted and if
    1.15 +    'value' evaluates to a false value, an empty string is returned.
    1.16 +    """
    1.17 +
    1.18 +    if value:
    1.19 +        return true_string
    1.20 +    else:
    1.21 +        return false_string or ""
    1.22 +
    1.23  def url_encode(context, nodes, charset="utf-8"):
    1.24  
    1.25      """
    1.26 @@ -410,6 +426,7 @@
    1.27  
    1.28  # Utility functions.
    1.29  
    1.30 +libxsltmod.xsltRegisterExtModuleFunction("choice", "http://www.boddie.org.uk/ns/xmltools/template", choice)
    1.31  libxsltmod.xsltRegisterExtModuleFunction("url-encode", "http://www.boddie.org.uk/ns/xmltools/template", url_encode)
    1.32  libxsltmod.xsltRegisterExtModuleFunction("element-path", "http://www.boddie.org.uk/ns/xmltools/template", element_path)
    1.33