From 3f9dd1f5c5c563ddaf0ea18614667edaa7e1feaa Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ra=C3=BAl=20Benencia?= <rul@kalgan.cc>
Date: Thu, 11 Oct 2012 15:30:31 -0300
Subject: Working version of completer module

---
 lib/commandmanager.py    |  2 +-
 lib/completionmanager.py | 84 ++++++++++++++++++++++++++++++++++++++++++++----
 lib/outputmanager.py     |  2 +-
 pywhoisd_dataloader.py   |  6 ++--
 4 files changed, 83 insertions(+), 11 deletions(-)

diff --git a/lib/commandmanager.py b/lib/commandmanager.py
index 3a06f99..bec2a33 100644
--- a/lib/commandmanager.py
+++ b/lib/commandmanager.py
@@ -31,7 +31,7 @@ class CommandManager:
         if cmd in self.cmds:
             return self.cmds[cmd]
         else:
-            raise CmdNotFoundException(cmd + 'is not a valid command.')
+            raise CmdNotFoundException(cmd + ' is not a valid command.')
 
     def commands(self):
         return self.cmds.keys()
diff --git a/lib/completionmanager.py b/lib/completionmanager.py
index fe6f099..72458f8 100644
--- a/lib/completionmanager.py
+++ b/lib/completionmanager.py
@@ -1,9 +1,81 @@
+# Almost all code is based on themole completion. http://themole.nasel.com.ar
+
+import readline, re
+
+import sys
+
 class CompletionManager:
-    def __init__(self):
-        pass
+    def __init__(self, cmd_manager, loader):
+        self.manager = cmd_manager
+        self.loader = loader
+
+        readline.parse_and_bind("tab: complete")
+        readline.set_completer(self.completer)
+        readline.set_completer_delims(' \t\n`~!@#$%^&*()=+[{]}\\|;:\'",<>/?')
+
+        self.parse_regex = re.compile('("[^"]*"|\'[^\']+\')')
+
+    def completer(self, text, state):
+        if readline.get_begidx() == 0:
+            return self.generate_commands(text, state)
+        else:
+            return self.generate_parameters(text, state)
+
+    def get_completion(self, text, state):
+        if self.current == len(self.available):
+            return None
+        else:
+            tmp = self.available[self.current]
+            self.current += 1
+
+            return tmp + ' '
+
+    def generate_commands(self, text, state):
+        if state == 0:
+            self.available = []
+            self.current = 0
+
+            for c in self.manager.commands():
+                if c[0:len(text)] == text:
+                    self.available.append(c)
+
+            self.available.sort()
+            if len(self.available) == 1 and self.available[0] == text:
+                self.available = []
+                self.current = 0
+
+                return text + ' '                
+
+        return self.get_completion(text, state)            
+
+    def generate_parameters(self, text, state):
+        if state == 0:
+            self.available = []
+            self.current = 0
+      
+            try:
+                line = readline.get_line_buffer()[:readline.get_endidx()].split(' ')
+                cmd = self.manager.find(line[0])
+            except:
+                return 0
+
+            current_params = list(filter(lambda x: len(x.strip()) > 0, line[1:-1] if len(line) > 2 else []))
+            if ',' in text:
+                text = text.split(',')[-1]
+
+            for i in cmd.parameters(self.loader, current_params):
+                if i[:len(text)] == text:
+                    self.available.append(i)
+
+            self.available.sort()
+            if len(self.available) == 1:
+                self.available = []
+                self.current = 0
+
+                return text + cmd.parameter_separator(current_params)
+
+        return self.get_completion(text, state)
+
 
-    def generate_commands(self):
-        pass
+            
 
-    def generate_parameters(self):
-        pass
diff --git a/lib/outputmanager.py b/lib/outputmanager.py
index d9d4af1..7427783 100644
--- a/lib/outputmanager.py
+++ b/lib/outputmanager.py
@@ -3,7 +3,7 @@ import sys
 
 class OutputManager:
     def __init__(self):
-        
+        self.last_line_length = 0
         self.echo_output = True
 
     def line_break(self):
diff --git a/pywhoisd_dataloader.py b/pywhoisd_dataloader.py
index 7b80ef5..e67c853 100755
--- a/pywhoisd_dataloader.py
+++ b/pywhoisd_dataloader.py
@@ -10,7 +10,7 @@ from lib.exceptions import CmdNotFoundException, CommandException
 class Manager:
     def __init__(self):
         self.loader = None
-        self.completer = CompletionManager()
+        self.completer = CompletionManager(cmd_manager, self.loader)
 
     def start(self):
         try:
@@ -34,7 +34,7 @@ class Manager:
                         output_manager.normal('Usage: {0}'.format(cmd.usage(line[0]))).line_break()
 
                 except CmdNotFoundException as err:
-                    output_manager.error('Error: {0}'.format(str(err))).linebreak()
+                    output_manager.error('Error: {0}'.format(str(err))).line_break()
                     
                 except EOFError:
                     output_manager.line_break()
@@ -44,8 +44,8 @@ class Manager:
 
 if __name__ == '__main__':
     try:
-        manager = Manager()
         cmd_manager = CommandManager()
+        manager = Manager()
         output_manager = OutputManager()
         manager.start()
 
-- 
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