# HG changeset patch
# User paulb
# Date 1133531497 0
# Node ID 65e168404d144ce5ac20138683a8728bb69d5da5
# Parent  bfc995c3c23201e2ce353fb327480ee24563ab1b
[project @ 2005-12-02 13:51:37 by paulb]
Added an i18n function which is to be used within attribute values instead
of the previously employed template:i18n attribute (which referred to other
attributes to be translated).

diff -r bfc995c3c232 -r 65e168404d14 XSLForms/Output.py
--- a/XSLForms/Output.py	Thu Dec 01 18:06:40 2005 +0000
+++ b/XSLForms/Output.py	Fri Dec 02 13:51:37 2005 +0000
@@ -316,6 +316,26 @@
 
 # Utility functions.
 
+def i18n(context, value):
+
+    """
+    Exposed as {template:i18n(value)}.
+
+    Provides a translation of the given 'value' using the 'translations' and
+    'locale' variables defined in the output stylesheet.
+    """
+
+    context = libxml2mod.xmlXPathParserGetContext(context)
+    transform_context = libxsltmod.xsltXPathGetTransformContext(context)
+    translations_var = libxsltmod.xsltVariableLookup(transform_context, "translations", None)
+    locale_var = libxsltmod.xsltVariableLookup(transform_context, "locale", None)
+    if translations_var is not None and locale_var is not None:
+        translations = libxml2dom.Node(translations_var[0])
+        results = translations.xpath("/translations/locale[code/@value='%s']/translation[@value='%s']/text()" % (locale_var, value))
+        if len(results) > 0:
+            return results[0].nodeValue.encode("utf-8")
+    return value
+
 def choice(context, value, true_string, false_string=None):
 
     """
@@ -426,6 +446,7 @@
 
 # Utility functions.
 
+libxsltmod.xsltRegisterExtModuleFunction("i18n", "http://www.boddie.org.uk/ns/xmltools/template", i18n)
 libxsltmod.xsltRegisterExtModuleFunction("choice", "http://www.boddie.org.uk/ns/xmltools/template", choice)
 libxsltmod.xsltRegisterExtModuleFunction("url-encode", "http://www.boddie.org.uk/ns/xmltools/template", url_encode)
 libxsltmod.xsltRegisterExtModuleFunction("element-path", "http://www.boddie.org.uk/ns/xmltools/template", element_path)