option: Add option to limit result list (#187)

Author: andreasnonslid

bin/cppman

@@ -91,7 +91,9 @@ def main():
         make_option('-v', '--version', action='store_true', dest='version',
                     default=False, help='Show version information.'),
         make_option('--force-columns', action='store', dest='force_columns',
-                    type=int, default=-1, help='Force terminal columns.')
+                    type=int, default=-1, help='Force terminal columns.'),
+        make_option('-n','--max-results', action='store', dest='max_results',
+                    type=int, default=-1, help='Maximum number of search results to show.')
     ]
 
     parser = OptionParser(
@@ -159,7 +161,7 @@ def main():
         sys.exit(1)
 
     try:
-        keyword = cm.fuzzy_find(args[0])
+        keyword = cm.fuzzy_find(args[0], options.max_results)
         if not keyword:
             sys.exit(1)
 

cppman/main.py

@@ -596,9 +596,11 @@ def find(self, pattern):
         else:
             raise RuntimeError('%s: nothing appropriate.' % pattern)
 
-    def fuzzy_find(self, pattern):
+    def fuzzy_find(self, pattern, max_results):
         """Find pages in database and present an interactive selection menu."""
         results = self._search_keyword(pattern)
+        if max_results >= 1:
+            results = results[:max_results]
 
         if not results:
             raise RuntimeError('%s: nothing appropriate.' % pattern)