[PATCH 1 of 4 V3] hgweb: add dynamic search function selection, depending on the query

[Alexander Plavin]

# HG changeset patch
# User Alexander Plavin <alexander at plav.in>
# Date 1377175523 -14400
#      Thu Aug 22 16:45:23 2013 +0400
# Node ID 779319758a3c5ade2123dc4c42d76824111b801b
# Parent  a133dfe29d0325c1cea54aebd97599e02b30a861
hgweb: add dynamic search function selection, depending on the query

This allows adding other specific search functions, in addition to current
keyword search.

diff -r a133dfe29d03 -r 779319758a3c mercurial/hgweb/webcommands.py
--- a/mercurial/hgweb/webcommands.py	Wed Jul 24 03:20:26 2013 +0400
+++ b/mercurial/hgweb/webcommands.py	Thu Aug 22 16:45:23 2013 +0400
@@ -138,10 +138,17 @@
 
             yield ctx
 
+    searchfuncs = {
+        'kw': keywordsearch,
+    }
+
+    def getsearchmode():
+        return 'kw'
+
     def changelist(**map):
         count = 0
 
-        for ctx in keywordsearch():
+        for ctx in searchfunc():
             count += 1
             n = ctx.node()
             showtags = webutil.showtag(web.repo, tmpl, 'changelogtag', n)
@@ -181,6 +188,9 @@
     morevars['revcount'] = revcount * 2
     morevars['rev'] = query
 
+    mode = getsearchmode()
+    searchfunc = searchfuncs[mode]
+
     tip = web.repo['tip']
     parity = paritygen(web.stripecount)