Remove incorrect tag directorypyparsing_2.1.6

git-svn-id: svn://svn.code.sf.net/p/pyparsing/code/tags/pyparsing_2.1.6@405 9bf210a0-9d2d-494c-87cf-cfb32e7dff7b

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 )

-    

-

-