#!/usr/bin/env python

###
# Copyright (c) 2002, Jeremiah Fincher
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# modification, are permitted provided that the following conditions are met:
#
#   * Redistributions of source code must retain the above copyright notice,
#     this list of conditions, and the following disclaimer.
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#   * Neither the name of the author of this software nor the name of
#     contributors to this software may be used to endorse or promote products
#     derived from this software without specific prior written consent.
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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###

"""
Simple utility functions.
"""

from fix import *

import sgmllib
import htmlentitydefs

class HtmlToText(sgmllib.SGMLParser):
    """Taken from some eff-bot code on c.l.p."""
    entitydefs = htmlentitydefs.entitydefs
    def __init__(self):
        self.data = []
        sgmllib.SGMLParser.__init__(self)

    def unknown_starttag(self, tag, attrib):
        self.data.append(" ")

    def unknown_endtag(self, tag):
        self.data.append(" ")

    def handle_data(self, data):
        self.data.append(data)

    def getText(self):
        text = ''.join(self.data).strip()
        return ' '.join(text.split()) # normalize whitespace

def htmlToText(s):
    x = HtmlToText()
    x.feed(s)
    return x.getText()

# vim:set shiftwidth=4 tabstop=8 expandtab textwidth=78: