XML Demystified

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170 Phish Live Phish, Vol. 15 26.99 ELEKTRA/WEA 2002-10-29 Rush Rush in Rio 13.98 Atlantic 2003-10-21 Billy Joel Songs in the Attic 10.99 Sony 1998-10-20 Led Zeppelin Houses of the Holy 10.98 Atlantic 1994-07-19 Jimi Hendrix Are You Experienced? 12.99 Experience Hendrix 1997-04-22 Bob Dylan The Times They Are A-Changin' 9.99 Sony 1990-10-25 XML Demystifi ed
CHAPTER 10 MSXML The InsertAfter() Function The InsertAfter() function is called when the user specifies a CD in the XML document that comes before the new CD. Here’s the InsertAfter() function: function InsertAfter(upc) { var objNewNode = LoadNewNode(); if(objNewNode == null) { return; } var root = objXML.documentElement; var childNodes = root.childNodes; for(var i=0; i < childNodes.length; i++) { var node = childNodes.item(i); var nodeUPC = node.getAttribute("upc"); if(nodeUPC == upc) { root.insertBefore(objNewNode, childNodes.item(i+1)); document.all("xmlresult").value = objXML.xml; return; } } alert("Could not find node with upc " + upc); } The first three lines are the same as they are in previous functions. The fourth line assigns the childNodes property of the IXMLDOMElement object to the childNodes variable. The childNodes property contains all the child nodes of the element in the document. The fifth line executes a for loop that steps through each child node looking for the child node whose upc attribute matches the UPC code that the user entered. The item() method is called to retrieve the node from the list. Next, the getAttribute() method is called and passed the name of the attribute whose value you want returned. And then an if statement is used to compare the value of the upc attribute of the current child node to the UPC that the user entered. If they match, then the insertBefore() method is called to insert the new CD into the XML document. The insertBefore() method requires two arguments. The first argument references information about the new CD and the second argument references the existing node in the XML document. The second argument jumps one node ahead by using i+1. In this way, it’s going to the next node and inserting 171
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XML DEMYSTIFIED
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XML DEMYSTIFIED JIM KEOGH & KEN DAV
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Professional Want to learn more? We
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ABOUT THE AUTHORS Jim Keogh is on t
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x XML Demystifi ed CHAPTER 3 Docume
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xii Looking Ahead 118 Quiz 118 CHAP
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xvi • Insert data into an XML doc
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xviii Chapter 7: XML Parsers and Tr
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2 XML Demystifi ed However, we’re
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4 XML Demystifi ed Columns are desc
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6 Why Is XML Such a Big Deal? XML D
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10 XML Demystifi ed Next, reference
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12 XML Demystifi ed Why Are Corpora
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22 street_1 street_2 city state zip
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28 Entities XML Demystifi ed Althou
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30 The CDATA section is defined as:
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34 Types of Document Type Definitio
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36 XML Demystifi ed Let’s convert
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38 XML Demystifi ed document—they
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40 XML Demystifi ed NJ 07665 555-
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42 XML Demystifi ed XML developers
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44 XML Demystifi ed If you replace
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46 Attribute Declarations XML Demys
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48 XML Demystifi ed An external DTD
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52 Inside an XML Schema XML Demysti
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56 XML Demystifi ed You reference a
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60 XML Demystifi ed simpleType, alt
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62 Working with Whitespace Characte
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64 XML Demystifi ed in the next exa
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66 XML Demystifi ed Number of Occur
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68 XML Demystifi ed c. Specifies th
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70 An Inside Look at XLink XML Demy
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72 XML Demystifi ed replace The lin
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74 Here’s a typical Location Path
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80 XPointer XML Demystifi ed Number
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84 What Is XSLT? XML Demystifi ed E
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86 XML Demystifi ed You’re ready
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88 XML Demystifi ed Style instructi
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90 XML Demystifi ed The element d
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92 XML Demystifi ed You really want
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94 XML Demystifi ed c. For each cus
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96 Parsing an XML Document XML Demy
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98 XML Demystifi ed The Content Han
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100 XML Demystifi ed Notice the XML
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102 XML Demystifi ed The customer e
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104 XML Demystifi ed The getPreviou
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106 XML Demystifi ed The Java trans
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110 XML Demystifi ed What Is Really
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112 XML Demystifi ed Each channel c
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114 XML Demystifi ed language code
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220 V ValidateDocument( ) function,
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XML Demystified

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