Created
September 26, 2015 11:17
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Simple S-Expression parsing with pyparsing
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| import pyparsing as pp | |
| LP = pp.Literal("(").suppress() | |
| RP = pp.Literal(")").suppress() | |
| String = pp.Word(pp.alphanums + '_') | |
| SingleQuoteString = pp.QuotedString(quoteChar="'", unquoteResults=False) | |
| DoubleQuoteString = pp.QuotedString(quoteChar='"', unquoteResults=False) | |
| QuotedString = SingleQuoteString | DoubleQuoteString | |
| Atom = String | QuotedString | |
| SExpr = pp.Forward() | |
| SExprList = pp.Group(pp.ZeroOrMore(SExpr | Atom)) | |
| SExpr << (LP + SExprList + RP) |
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could you append it with a simple example? I struggle a bit applying it with my example:
(union (bgp (triple <http://dbpedia.org/resource/Diane_Fletcher> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> ?x1)) (bgp (triple <http://dbpedia.org/resource/Diane_Fletcher> <http://www.w3.org/2000/01/rdf-schema#label> ?x2)))thanks