cadd

libmultiscale_doc_parser.py
View Options

			#!/usr/bin/env python3

			import pyparsing as pp


			class LibMultiScaleParser:

			etag = pp.Literal("*/")

			tag_desc = pp.Literal("/* LMDESC")
			tag_keyword = pp.Literal("/* LMKEYWORD")
			tag_heritance = pp.Literal("/* LMHERITANCE")
			tag_example = pp.Literal("/* LMEXAMPLE")

			def block(self, tag):
			_header = pp.SkipTo(tag) + tag
			_content = pp.SkipTo(self.etag)
			_block = _header.suppress() - _content
			_block -= self.etag.suppress()
			return _block

			def named_block(self, tag):
			_header = pp.SkipTo(tag) + tag
			_header += pp.ZeroOrMore(pp.White())
			_block = _header.suppress() - pp.Word(pp.alphanums+"_")
			_block -= pp.OneOrMore(pp.White() \| pp.LineEnd()).suppress()
			_block -= pp.SkipTo(self.etag)
			_block -= self.etag.suppress()
			res = _block

			return res

			def parse(self, filename, internal_key_list):
			fin = open(filename, 'r')
			inp = fin.read()
			fin.close()

			_content = self.named_block(
			self.tag_desc).setResultsName("description")

			example = self.block(self.tag_example)
			_content += pp.Optional(example).setResultsName("example")
			heritance = self.block(self.tag_heritance)
			_content += pp.Optional(heritance).setResultsName("heritance")
			keyword = self.named_block(self.tag_keyword)
			_content += pp.Group(pp.ZeroOrMore(keyword)).setResultsName("keywords")

			res = _content.parseString(inp)
			return dict([(k, res.get(k)) for k in res.keys()])