1 files changed, 0 insertions, 67 deletions
diff --git a/trunk/src/examples/chemicalFormulas.py b/trunk/src/examples/chemicalFormulas.py
deleted file mode 100644
index ce66afd..0000000
--- a/trunk/src/examples/chemicalFormulas.py
+++ /dev/null
@@ -1,67 +0,0 @@
-# chemicalFormulas.py
-#
-# Copyright (c) 2003, Paul McGuire
-#
-
-from pyparsing import Word, Optional, OneOrMore, Group, ParseException, Regex
-from pyparsing import alphas
-
-atomicWeight = {
-    "O"  : 15.9994,
-    "H"  : 1.00794,
-    "Na" : 22.9897,
-    "Cl" : 35.4527,
-    "C"  : 12.0107
-    }
-    
-def test( bnf, strg, fn=None ):
-    try:
-        print(strg,"->", bnf.parseString( strg ), end=' ')
-    except ParseException as pe:
-        print(pe)
-    else:
-        if fn != None:
-            print(fn( bnf.parseString( strg ) ))
-        else:
-            print()
-
-digits = "0123456789"
-
-# Version 1
-element = Regex("A[cglmrstu]|B[aehikr]?|C[adeflmorsu]?|D[bsy]|"
-                "E[rsu]|F[emr]?|G[ade]|H[efgos]?|I[nr]?|Kr?|L[airu]|"
-                "M[dgnot]|N[abdeiop]?|Os?|P[abdmortu]?|R[abefghnu]|"
-                "S[bcegimnr]?|T[abcehilm]|U(u[bhopqst])?|V|W|Xe|Yb?|Z[nr]")
-
-element = Word( alphas.upper(), alphas.lower(), max=2)
-elementRef = Group( element + Optional( Word( digits ), default="1" ) )
-formula = OneOrMore( elementRef )
-
-fn = lambda elemList : sum(atomicWeight[elem]*int(qty) for elem,qty in elemList)
-test( formula, "H2O", fn )
-test( formula, "C6H5OH", fn )
-test( formula, "NaCl", fn )
-print()
-
-# Version 2 - access parsed items by field name
-elementRef = Group( element("symbol") + Optional( Word( digits ), default="1" )("qty") )
-formula = OneOrMore( elementRef )
-
-fn = lambda elemList : sum(atomicWeight[elem.symbol]*int(elem.qty) for elem in elemList)
-test( formula, "H2O", fn )
-test( formula, "C6H5OH", fn )
-test( formula, "NaCl", fn )
-print()
-
-# Version 3 - convert integers during parsing process
-integer = Word( digits ).setParseAction(lambda t:int(t[0]))
-elementRef = Group( element("symbol") + Optional( integer, default=1 )("qty") )
-formula = OneOrMore( elementRef )
-
-fn = lambda elemList : sum(atomicWeight[elem.symbol]*elem.qty for elem in elemList)
-test( formula, "H2O", fn )
-test( formula, "C6H5OH", fn )
-test( formula, "NaCl", fn )
-    
-
-