finish tab completion

bin/autojump

@@ -45,12 +45,16 @@ from data import save
 from utils import decode
 from utils import encode_local
 from utils import first
+from utils import get_needle_and_index
 from utils import get_pwd
 from utils import has_uppercase
 from utils import is_osx
+from utils import is_tab_entry
+from utils import is_tab_partial_match
 from utils import last
 from utils import print_entry
-from utils import print_tab_completion_menu
+from utils import print_tab_menu
+from utils import sanitize
 from utils import second
 from utils import surround_quotes
 from utils import take
@@ -58,11 +62,11 @@ from utils import take
 VERSION = 'release-v21.8.0'
 FUZZY_MATCH_THRESHOLD = 0.6
 TAB_COMPLETION_COUNT = 9
+TAB_SEPARATOR = '__'
 
 
 def set_defaults():
     config = {}
-    config['tab_menu_separator'] = '__'
 
     if is_osx():
         data_home = os.path.join(
@@ -170,8 +174,6 @@ def find_matches(entries, needles):
     if not needles:
         return first(data).path
 
-    sanitize = lambda x: decode(x).rstrip(os.sep)
-    needles = map(sanitize, needles)
     ignore_case = detect_smartcase(needles)
 
     exists = lambda entry: os.path.exists(entry.path)
@@ -318,11 +320,11 @@ def main():
     if args.add:
         save(config, first(add_path(load(config), args.add)))
     elif args.complete:
-        print_tab_completion_menu(
-                separator=config['tab_menu_separator'],
-                entries=take(
-                    TAB_COMPLETION_COUNT,
-                    find_matches(entriefy(load(config)), args.directory)))
+        needle = first(sanitize(args.directory))
+        tab_entries = take(
+                TAB_COMPLETION_COUNT,
+                find_matches(entriefy(load(config)), needle))
+        print_tab_menu(needle, tab_entries, TAB_SEPARATOR)
     elif args.decrease:
         data, entry = decrease_path(load(config), get_pwd(), args.decrease)
         save(config, data)
@@ -340,14 +342,31 @@ def main():
         print_stats(load(config), config['data_path'])
     else:
         # default behavior, no optional arguments
-        result = first(find_matches(entriefy(load(config)), args.directory))
+        entries = entriefy(load(config))
+        needles = sanitize(args.directory)
+        needle = first(needles)
 
-        if result:
-            print(encode_local(surround_quotes(result.path)))
+        if is_tab_entry(needle, TAB_SEPARATOR):
+            # the needle is actually a tab entry here
+            needle, tab_index = get_needle_and_index(needle, TAB_SEPARATOR)
+            tab_entries = take(
+                    TAB_COMPLETION_COUNT,
+                    find_matches(entries, needle))
+
+            get_ith_path = lambda i, iterable: last(take(i, iterable)).path
+            print(encode_local(surround_quotes(
+                    get_ith_path(tab_index, tab_entries))))
+        elif is_tab_partial_match(needle, TAB_SEPARATOR):
+            print("tab_partial_match")
         else:
-            # always return something so the calling shell function has an
-            # argument to `cd` to
-            print(encode_local('.'))
+            result = first(find_matches(entries, needles))
+
+            if result:
+                print(encode_local(surround_quotes(result.path)))
+            else:
+                # always return something so the calling shell function has an
+                # argument to `cd` to
+                print(encode_local('.'))
 
     return 0
 

bin/utils.py

@@ -8,6 +8,7 @@ import errno
 from itertools import islice
 import os
 import platform
+import re
 import shutil
 import sys
 import unicodedata
@@ -51,6 +52,21 @@ def first(xs):
         return None
 
 
+def get_needle_and_index(tab_entry, separator):
+    """
+    Given a tab entry in the following format return the needle and index:
+
+        [needle]__[index]__[possible_match]
+    """
+    matches = re.search(
+            r'(.*)' + \
+            separator + \
+            r'([0-9]{1})' + \
+            separator, tab_entry)
+    return matches.group(1), int(matches.group(2))
+
+
+
 def get_pwd():
     try:
         return os.getcwdu()
@@ -79,6 +95,24 @@ def is_osx():
     return platform.system() == 'Darwin'
 
 
+def is_tab_entry(needle, separator):
+    """
+    Valid tab entry:
+
+        [needle]__[index]__[possible_match]
+    """
+    pattern = re.compile(
+            '.*' + \
+            separator + \
+            '[0-9]{1}' + \
+            separator)
+    return re.search(pattern, needle)
+
+
+def is_tab_partial_match(needle, separator):
+    return re.match(r'(.*)'+separator, needle)
+
+
 def is_windows():
     return platform.system() == 'Windows'
 
@@ -110,16 +144,30 @@ def print_entry(entry):
     print(encode_local("%.1f:\t%s" % (entry.weight, entry.path)))
 
 
-def print_tab_completion_menu(separator, entries):
-    for i, entry in enumerate(entries):
+def print_tab_menu(needle, tab_entries, separator):
+    """
+    Prints the tab completion menu according to the following format:
+
+        [needle]__[index]__[possible_match]
+
+    The needle (search pattern) and index are necessary to recreate the results
+    on subsequent calls.
+    """
+    for i, entry in enumerate(tab_entries):
         print(encode_local(surround_quotes(
-            '%s%d%s%s' % (
+            '%s%s%d%s%s' % (
+                needle,
                 separator,
-                i,
+                i+1,
                 separator,
                 entry.path))))
 
 
+def sanitize(directories):
+    clean = lambda x: decode(x).rstrip(os.sep)
+    return map(clean, directories)
+
+
 def second(xs):
     it = iter(xs)
     try: