Merge pull request #34 from BryanSalas/master
[rainbowstream.git] / rainbowstream / interactive.py
index 2b61107..62be3ec 100644 (file)
@@ -1,12 +1,17 @@
 import readline
+import os.path
+
+from .config import *
+
 
 class RainbowCompleter(object):
-    
+
     def __init__(self, options):
         """
         Init
         """
-        self.options = sorted(options)
+        self.options = options
+        self.current_candidates = []
         return
 
     def complete(self, text, state):
@@ -15,24 +20,75 @@ class RainbowCompleter(object):
         """
         response = None
         if state == 0:
-            if text:
-                self.matches = [s 
-                                for s in self.options
-                                if s and s.startswith(text)]
+            origline = readline.get_line_buffer()
+            begin = readline.get_begidx()
+            end = readline.get_endidx()
+            being_completed = origline[begin:end]
+            words = origline.split()
+
+            if not words:
+                self.current_candidates = sorted([c for c in self.options])
             else:
-                self.matches = self.options[:]
-        
+                try:
+                    if begin == 0:
+                        candidates = [c for c in self.options]
+                    elif words[-1] in self.options[words[0]]:
+                        candidates = []
+                    else:
+                        first = words[0]
+                        candidates = self.options[first]
+
+                    if being_completed:
+                        self.current_candidates = [w for w in candidates
+                                                   if w.startswith(being_completed)]
+                    else:
+                        self.current_candidates = candidates
+
+                except (KeyError, IndexError):
+                    self.current_candidates = []
+
         try:
-            response = self.matches[state]
+            response = self.current_candidates[state]
         except IndexError:
             response = None
         return response
 
 
-def init_interactive_shell(set):
+def get_history_items():
+    """
+    Get all history item
+    """
+    return [
+        readline.get_history_item(i)
+        for i in xrange(1, readline.get_current_history_length() + 1)
+    ]
+
+
+def read_history():
+    """
+    Read history file
+    """
+    if os.path.isfile(c['HISTORY_FILENAME']):
+        readline.read_history_file(c['HISTORY_FILENAME'])
+
+
+def save_history():
+    """
+    Save history to file
+    """
+    readline.write_history_file(c['HISTORY_FILENAME'])
+
+
+def init_interactive_shell(d):
     """
     Init the rainbow shell
     """
-    readline.set_completer(RainbowCompleter(set).complete)
-    readline.parse_and_bind('tab: complete')
+    readline.set_completer(RainbowCompleter(d).complete)
     readline.parse_and_bind('set editing-mode vi')
+    readline.parse_and_bind('set show-all-if-ambiguous on')
+    readline.parse_and_bind('set show-all-if-unmodified on')
+    readline.parse_and_bind('set skip-completed-text on')
+    if 'libedit' in readline.__doc__:
+        readline.parse_and_bind("bind ^I rl_complete")
+    else:
+        readline.parse_and_bind("tab: complete")