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revXMLEvaluateXPath

Type

function

Summary

The charDelimiter defaults to cr. If not specified then the items will be returned one per line. For example:

    J. K. Rowling
Harry Potter
Cory Doctorow
Little Brother

Syntax

revXMLEvaluateXPath(pDocID, pXPathExpression [, charDelimiter ] )

Description

The revXMLEvaluateXPath function returns the data set resulting from evaluating the xpath expression against the specified xml tree. For instance, given xml data of

    <?xml version=\"1.0\" encoding=\"ISO-8859-1\"?>
<bookstore>
<book category=\"COOKING\">
<title lang=\"en\">Everyday Italian</title>
<author>Giada De Laurentiis</author>
<year>2005</year>
<price>30.00</price>
</book>
<book category=\"CHILDREN\">
<title lang=\"en\">Harry Potter</title>
<author>J K. Rowling</author>
<year>2005</year>
<price>29.99</price>
</book>
<book category=\"WEB\">
<title lang=\"en\">XQuery Kick Start</title>
<author>James McGovern</author>
<author>Per Bothner</author>
<author>Kurt Cagle</author>
<author>James Linn</author>
<author>Vaidyanathan Nagarajan</author>
<year>2003</year>
<price>49.99</price>
</book>
<book category=\"WEB\">
<title lang=\"en\">Learning XML</title>
<author>Erik T. Ray</author>
<year>2003</year>
<price>39,95</price>
</book>
</bookstore>
</xml>

then

    put \"/bookstore/book[price<40]/\" into pXPathExpression
put revXMLEvaluateXPath(pDocID, pXPathExpression)

gives you

bookstore/book[1]

bookstore/book[2]

bookstore/book[4]

Examples

put "/bookstore/book[price<40]/" into pXPathExpression
put revXMLEvaluateXPath(pDocID, pXPathExpression)

function: revXMLCreateTreeFromFile, revXMLDataFromXPathQuery, revXMLCreateTree

Compatibility and Support

Introduced

LiveCode 6.5

OS

mac

windows

linux

ios

android

Platforms

desktop

server

mobile

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