# HG changeset patch
# User catherine@Elli.myhome.westell.com
# Date 1214092497 14400
# Node ID a0f7702f2a4b3516222bd0d0d5dc9e2ef1d6274f
# Parent  a96f824d1a24c00d25d3ec8c676ad4960ecf4f74
ready to integrate lineend?

diff -r a96f824d1a24 -r a0f7702f2a4b lineend.py
--- a/lineend.py	Sat Jun 21 19:46:33 2008 -0400
+++ b/lineend.py	Sat Jun 21 19:54:57 2008 -0400
@@ -4,17 +4,12 @@
 terminators = [pyparsing.Literal(';') + intgr,
                pyparsing.Literal('\\t') + intgr]
 complete_pattern = reduce(lambda x, y: x ^ y, terminators)
-#complete_pattern = (pyparsing.Literal(';') + intgr) ^ (pyparsing.Literal('\\t') + intgr)
-complete_pattern.ignore(pyparsing.sglQuotedString)
-complete_pattern.ignore(pyparsing.dblQuotedString)
+redirect_pattern = pyparsing.oneOf('< >') + pyparsing.restOfLine
+pipe_pattern = pyparsing.Literal('|') + pyparsing.restOfLine
 
-redirect_pattern = pyparsing.oneOf('< >') + pyparsing.restOfLine
-redirect_pattern.ignore(pyparsing.sglQuotedString)
-redirect_pattern.ignore(pyparsing.dblQuotedString)
-
-pipe_pattern = pyparsing.Literal('|') + pyparsing.restOfLine
-pipe_pattern.ignore(pyparsing.sglQuotedString)
-pipe_pattern.ignore(pyparsing.dblQuotedString)
+for pattern in (complete_pattern, redirect_pattern, pipe_pattern):
+    pattern.ignore(pyparsing.sglQuotedString)
+    pattern.ignore(pyparsing.dblQuotedString)
 
 def parse(txt, mustBeTerminated=False):
     """
@@ -29,23 +24,24 @@
     >>> sorted(parse("select * from dual where val = 'x > y'", True).items())
     [('inputFrom', None), ('outputTo', None), ('pipeTo', None), ('terminator', None)]
     >>> sorted(parse('select * from dual; | wc -c', True).items())
-    [('inputFrom', None), ('outputTo', None), ('pipeTo', ' wc -c'), ('terminator', [';'])]
+    [('inputFrom', None), ('outputTo', None), ('pipeTo', 'wc -c'), ('terminator', [';'])]
     >>> sorted(parse('select * from dual; | sort > sorted.txt', True).items())
-    [('inputFrom', None), ('outputTo', None), ('pipeTo', 'sort > sorted.txt'), ('terminator', [';'])]    
+    [('inputFrom', None), ('outputTo', None), ('pipeTo', 'sort > sorted.txt'), ('terminator', [';'])]
     """
     result = {'inputFrom': None, 'outputTo': None, 'pipeTo': None, 'terminator': None}
     found = complete_pattern.searchString(txt)
     if found:
         result['terminator'] = found[0][:]
-    found = redirect_pattern.searchString(txt)
-    if found:
-        if found[0][0] == '>':
-            result['outputTo'] = found[0][1].strip()
-        else:
-            result['inputFrom'] = found[0][1].strip()
     found = pipe_pattern.searchString(txt)
     if found:
         result['pipeTo'] = found[0][1].strip()
+    else:  # pipe overrides redirects
+        found = redirect_pattern.searchString(txt)
+        if found:
+            if found[0][0] == '>':
+                result['outputTo'] = found[0][1].strip()
+            else:
+                result['inputFrom'] = found[0][1].strip()
 
     return result