From 3e500344282a364f1fbd7245c49d980fe0bfab11 Mon Sep 17 00:00:00 2001
From: Pedro Worcel <pedro@worcel.com>
Date: Sat, 22 Feb 2014 17:15:37 +1300
Subject: fix the wrapping on backward searches

---
 libmproxy/console/flowview.py | 41 ++++++++++++++++++++++++++---------------
 test/test_console_search.py   | 20 +++++++++++++++++++-
 2 files changed, 45 insertions(+), 16 deletions(-)

diff --git a/libmproxy/console/flowview.py b/libmproxy/console/flowview.py
index 990dc967..8f4cb1eb 100644
--- a/libmproxy/console/flowview.py
+++ b/libmproxy/console/flowview.py
@@ -365,6 +365,19 @@ class FlowView(common.WWrap):
 
         return loop_range
 
+    def search_find(self, text, search_string, start_index, backwards):
+            if backwards == False:
+                find_index = text.find(search_string, start_index)
+            else:
+                if start_index != 0:
+                    start_index -= len(search_string)
+                else:
+                    start_index = None
+
+                find_index = text.rfind(search_string, 0, start_index)
+
+            return find_index
+
     def search_highlight_text(self, text_objects, search_string, looping = False, backwards = False):
         start_line, start_index = self.search_get_start(search_string)
         i = start_line
@@ -374,45 +387,43 @@ class FlowView(common.WWrap):
         loop_range = self.search_get_range(len(text_objects), start_line, backwards)
         for i in loop_range:
             text_object = text_objects[i]
-            if i != start_line:
-                start_index = 0
 
             try:
                 text, style = text_object.get_text()
             except AttributeError:
                 raise SearchError()
 
-            if backwards == False:
-                find_index = text.find(search_string, start_index)
-            else:
-                if start_index != 0:
-                    start_index -= len(search_string)
-                else:
-                    start_index = None
+            if i != start_line:
+                start_index = 0
 
-                find_index = text.rfind(search_string, 0, start_index)
+            find_index = self.search_find(text, search_string, start_index, backwards)
 
             if find_index != -1:
                 new_text = self.search_highlight_object(text, find_index, search_string)
                 text_objects[i] = new_text
 
+                found = True
                 self.state.add_flow_setting(self.flow, "last_search_index",
                         find_index)
-
                 self.state.add_flow_setting(self.flow, "last_find_line", i)
 
-                found = True
                 break
 
+
         # handle search WRAP
         if found:
             focus_pos = i
         else :
-            if (start_line == 0 and start_index == 0) or looping:
+            if looping:
                 focus_pos = None
             else:
-                self.state.add_flow_setting(self.flow, "last_search_index", 0)
-                self.state.add_flow_setting(self.flow, "last_find_line", 0)
+                if not backwards:
+                    self.state.add_flow_setting(self.flow, "last_search_index", 0)
+                    self.state.add_flow_setting(self.flow, "last_find_line", 0)
+                else:
+                    self.state.add_flow_setting(self.flow, "last_search_index", None)
+                    self.state.add_flow_setting(self.flow, "last_find_line", len(text_objects) - 1)
+
                 text_objects, focus_pos = self.search_highlight_text(text_objects,
                         search_string, looping=True, backwards=backwards)
 
diff --git a/test/test_console_search.py b/test/test_console_search.py
index 60b998cc..0e47ef79 100644
--- a/test/test_console_search.py
+++ b/test/test_console_search.py
@@ -153,6 +153,24 @@ def test_search_back_multi_multi_line():
     # first line now
     f.search_again(backwards=True)
     text_object = tutils.get_body_line(f.last_displayed_body, 0)
-    print(text_object.get_text(), ('this is string', [(None, 8), (f.highlight_color, 6)]))
+    assert text_object.get_text() == ('this is string', [(None, 8), (f.highlight_color, 6)])
+
+def test_search_backwards_wraps():
+    """
+        when searching past line 0, it should loop.
+    """
+    f = tutils.tflowview(request_contents="this is string\nthis is string\nthis is string")
+
+    # should be on second line
+    f.search("string")
+    f.search_again()
+    text_object = tutils.get_body_line(f.last_displayed_body, 1)
+    assert text_object.get_text() == ('this is string', [(None, 8), (f.highlight_color, 6)])
+
+    # should be on third now.
+    f.search_again(backwards=True)
+    message = f.search_again(backwards=True)
+
+    text_object = tutils.get_body_line(f.last_displayed_body, 2)
     assert text_object.get_text() == ('this is string', [(None, 8), (f.highlight_color, 6)])
 
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