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Python Open Source » Development » SnapLogic 
SnapLogic » snaplogic » common » XmlUtil.py
# $SnapHashLicense:
# 
# SnapLogic - Open source data services
# 
# Copyright (C) 2008, SnapLogic, Inc.  All rights reserved.
# 
# See http://www.snaplogic.org for more information about
# the SnapLogic project. 
# 
# This program is free software, distributed under the terms of
# the GNU General Public License Version 2. See the LEGAL file
# at the top of the source tree.
# 
# "SnapLogic" is a trademark of SnapLogic, Inc.
# 
# 
# $

# $Id: XmlUtil.py 831 2008-01-09 23:22:39Z dhiraj $
"""
XmlUtil Module for common utilities with XML parsing and formatting.

"""
__docformat__ = "epytext en"


# Imports
import xml.dom.minidom


def getText(elem):
    """
    Gets the text value enclosed by the element.
    
    @param elem: The element with the interested text.
    @type elem: xml.dom.Node
    
    @return: Return the text of this element.
    
    """
    txt = ""
    for node in elem.childNodes:
        if node.nodeType == node.TEXT_NODE:
            txt += node.data
    return txt.strip()


def setText(doc, elem, txt, type = ''):
    """
    Sets text value enclosed in the element.

    @param elem: The element for the text.
    @type elem: xml.dom.Node
    
    @param txt: The text for this element.
    @type txt: string
    
    @param type: The type of the text.  For example, 'plain/text', 'xml', etc.
    @type type: string
    
    """
    node = doc.createTextNode(txt)
    elem.appendChild(node)
    if type: elem.setAttribute('type', type)


def setCData(doc, elem, txt, type = ''):
    """
    Sets cdata section enclosed in the element.

    @param elem: The element for the text.
    @type elem: xml.dom.Node
    
    @param txt: The text for this element.
    @type txt: string
    
    @param type: The type of the text.  For example, 'plain/text', 'xml', etc.
    @type type: string
    
    """
    node = xml.dom.minidom.CDATASection()
    node.data = txt
    elem.appendChild(node)
    if type: elem.setAttribute('type', type)
    
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