From 9361b12ce280217e8ff17facd60d7e89e7b82eee Mon Sep 17 00:00:00 2001
From: mathieui <mathieui@mathieui.net>
Date: Fri, 18 Nov 2011 23:35:11 +0100
Subject: Add a simple args parser for commands in common.py

---
 src/common.py | 25 +++++++++++++++++++++++++
 1 file changed, 25 insertions(+)

(limited to 'src/common.py')

diff --git a/src/common.py b/src/common.py
index a30c344f..2da7835b 100644
--- a/src/common.py
+++ b/src/common.py
@@ -235,3 +235,28 @@ def parse_secs_to_str(duration=0):
     result += '%ss' % secs if secs else ''
     return result
 
+def parse_command_args_to_alias(args, strto):
+    """
+    Parse command parameters.
+    Numbers can be from 0 to 9.
+    >>> parse_command_args_to_alias(['sdf', 'koin'], '%0 %1')
+    "sdf koin"
+    """
+    l = len(args)
+    dest = ''
+    var_num = False
+    for i in strto:
+        if i != '%':
+            if not var_num:
+                dest += i
+            elif i in string.digits:
+                if int(i) < l:
+                    dest += args[int(i)]
+                var_num = False
+        elif i == '%':
+            if var_num:
+                dest += '%'
+                var_num = False
+            else:
+                var_num = True
+    return dest
-- 
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