# HG changeset patch
# User Paul Boddie <paul@boddie.org.uk>
# Date 1338835958 -7200
# Node ID 6ccdbf15d1a19f86bab704a4afbd83205a7aeabd
# Parent  72dcf13893765134448eea5a49690940523b6970
Added common parsing/formatting-related code from EventAggregator and ImprovedTableParser.

diff -r 72dcf1389376 -r 6ccdbf15d1a1 MoinSupport.py
--- a/MoinSupport.py	Wed Apr 18 01:17:58 2012 +0200
+++ b/MoinSupport.py	Mon Jun 04 20:52:38 2012 +0200
@@ -534,6 +534,36 @@
 
     return {"timestamp" : DateTime(time.gmtime(mtime)[:6] + (None,)), "comment" : comment}
 
+# Page parsing and formatting of embedded content.
+
+def getParserClass(request, format):
+
+    """
+    Return a parser class using the 'request' for the given 'format', returning
+    a plain text parser if no parser can be found for the specified 'format'.
+    """
+
+    try:
+        return wikiutil.searchAndImportPlugin(request.cfg, "parser", format or "plain")
+    except wikiutil.PluginMissingError:
+        return wikiutil.searchAndImportPlugin(request.cfg, "parser", "plain")
+
+def redirectedOutput(request, parser, fmt, **kw):
+
+    "A fixed version of the request method of the same name."
+
+    buf = StringIO()
+    request.redirect(buf)
+    try:
+        parser.format(fmt, **kw)
+        if hasattr(fmt, "flush"):
+            buf.write(fmt.flush(True))
+    finally:
+        request.redirect()
+    text = buf.getvalue()
+    buf.close()
+    return text
+
 # User interface functions.
 
 def getParameter(request, name, default=None):