From 9880da710603fe1d18dfac732b904bca4cc26f5f Mon Sep 17 00:00:00 2001
From: Jan Pokorný <jpokorny@redhat.com>
Date: Wed, 25 Nov 2015 23:28:12 +0100
Subject: utils_xslt: xslt_id_friendly: new helper
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Some offending ASCII characters are translated to '_', the remaining
ones (all or almost) are simply removed.

Signed-off-by: Jan Pokorný <jpokorny@redhat.com>
---
 utils_xslt.py | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/utils_xslt.py b/utils_xslt.py
index 2e09582..de4ec02 100644
--- a/utils_xslt.py
+++ b/utils_xslt.py
@@ -41,3 +41,18 @@ def xslt_params(**d):
             k, xslt_boolean(v) if isinstance(v, bool) else v
         )
     return ret
+
+
+def xslt_id_friendly(inner):
+    """Make the passed XPath expression yielding string XML ID friendly"""
+    # XXX apostrophe missing
+    return '''\
+    translate(
+        translate(
+            {0},
+            ' -/:',
+            '____'
+        ),
+        '!&#x22;#$&#x25;&#x26;()*+,;&#x3c;=&#x3e;?@[\]^`{{|}}~',
+        ''
+    )'''.format(inner)
-- 
cgit