| XMLTangle - Literate Programming in XML | ||
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This program uses Python's SAX parser for handling the data. For more information about Python, XML, and the SAX parser, see http://www.python.org/.
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The program's outline is as follows:
Main Listing =
#!/usr/bin/python
#Import needed libraries
from xml.sax import saxlib, saxexts, saxutils
import sys, urllib, string, sre, types
{Class to handle SAX parsing functions}
{Class to handle SAX error conditions}
{Instantiate class and run parser}
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The actual code to run the parser is quite simple:
Instantiate class and run parser = #Create a SAX XML parser parser = saxexts.make_parser() #Instantiate our handler and error classes ldh = LiterateDocumentHandler() leh = LiterateErrorHandler() #prepare parser parser.setDocumentHandler(ldh) parser.setErrorHandler(leh) #parse the first argument parser.parse(sys.argv[1]) #write out the files indicated ldh.write_files() |
Notice that we do not care about validating against a DTD, since our program is operating on processing instructions and doesn't care much about the DTD or the elements.
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