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Asked: 2026-06-01T20:08:48+00:00

I need to get an attribute from svg file on classic asp. But my

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I need to get an attribute from svg file on classic asp. But my code don’t work. Any idea?

id attribute from font tag. 

<font id="LetterGothicStdRegular" horiz-adv-x="1228" >

asp function

function getFontId(url)
Set objXml = Server.CreateObject("MSXML2.DomDocument.6.0")
'objXml.async = False
objXml.LoadXML(url)

For Each oNode In objXml.SelectNodes("svg/defs/font")
  sKey = oNode.GetAttribute("id")
 ' sValue = oNode.Text
  getXML=sKey
Next

Set objXml= Nothing
end function

svg code: 

<?xml version="1.0" standalone="no"?>
<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
<svg xmlns="http://www.w3.org/2000/svg">
    <metadata>This is a custom SVG webfont generated by Font Squirrel.        Copyright   :  1987 1990 1991 1995 1998 2001 2002 Adobe Systems Incorporated All rights reserved        Foundry     : Adobe </metadata>
    <defs>
        <font id="LetterGothicStdRegular" horiz-adv-x="1228">
            <font-face units-per-em="2048" ascent="1520" descent="-528"/>
            <missing-glyph horiz-adv-x="500"/>
            <glyph unicode="2" horiz-adv-x="1783" d="M149 1099l66 51l672 -696l671 696l66 -51l-737 -776z"/>
            <glyph unicode="8" horiz-adv-x="1783" d="M167 430l737 776l738 -776l-66 -51l-672 696l-671 -696z"/>
            <glyph unicode="&#x3c;" d="M201 737l776 738l51 -66l-696 -672l696 -671l-51 -66z"/>
            <glyph unicode="&#x3e;" d="M288 66l696 671l-696 672l51 66l776 -738l-776 -737z"/>
            <glyph unicode="&#x2000;" horiz-adv-x="737"/>
            <glyph unicode="&#x2001;" horiz-adv-x="1475"/>
            <glyph unicode="&#x2002;" horiz-adv-x="737"/>
            <glyph unicode="&#x2003;" horiz-adv-x="1475"/>
            <glyph unicode="&#x2004;" horiz-adv-x="491"/>
            <glyph unicode="&#x2005;" horiz-adv-x="368"/>
            <glyph unicode="&#x2006;" horiz-adv-x="245"/>
            <glyph unicode="&#x2007;" horiz-adv-x="245"/>
            <glyph unicode="&#x2008;" horiz-adv-x="184"/>
            <glyph unicode="&#x2009;" horiz-adv-x="295"/>
            <glyph unicode="&#x200a;" horiz-adv-x="81"/>
            <glyph unicode="&#x202f;" horiz-adv-x="295"/>
            <glyph unicode="&#x205f;" horiz-adv-x="368"/>
            <glyph unicode="&#xe000;" horiz-adv-x="500" d="M0 0v0v0v0v0z"/>
        </font>
    </defs>
</svg>
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1 Answer

  1. Editorial Team

    You can parse specifying svg selection namespace.
    Plus, the parameter name is url, this make sense if it’s a url? Because loadXML loads only from a string containing xml. You should use Load with setting ServerHTTPRequest property to True if url is remote.
    Check out validateOnParse and resolveExternals. Here’s an example:

    Function getFontId(url)
    With Server.CreateObject("MSXML2.DomDocument.6.0")
        .async = False
        .validateOnParse = False 'parse only for well-formed xml, no more
        .resolveExternals = False
        .setProperty "ServerHTTPRequest", True
        .setProperty "ProhibitDTD", False ' it's true by default in 6.0
        If .Load(url) Then
            .setProperty "SelectionNamespaces", "xmlns:svg='http://www.w3.org/2000/svg'"
            Dim domAttrId
            Set domAttrId = .selectSingleNode("//svg:defs/svg:font/@id")
            If domAttrId Is Nothing Then 
                'node nor attribute not exists
            Else
                getFontId = domAttrId.Value
            End If
        Else
            With .parseError
                Err.Raise .errorCode, .srcText, .reason
            End With
        End If
    End With
End Function
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