Can you reuse fragments of XML (in some kind of variables/references way)?

GeoServer's "Dynamic Symbolizer" extension to SLD does allow you to use database properties as all or part of icon URLs. You can even perform calculations and call filter functions if you want (they use embedded CQL in the URL.

Here's a blog post on the feature: http://blog.geoserver.org/2008/12/08/dynamic-symbolizers-part-1/


Did you tried defining an XML Schema or optionally an XML DTD for your XML, and then using element identifiers http://www.w3.org/TR/xmlschema-0/#schemaConstraintsVsXML1, something like:


<StyledLayerDescriptor>
  <NamedLayer>
    <CommonStyles>
      <TextSymbolizer id="name_times_normal_12">
        <Label>
          <ogc:PropertyName>name</ogc:PropertyName>
        </Label>
        <Font>
          <CssParameter name="font-family">Times New Roman</CssParameter>
          <CssParameter name="font-style">Normal</CssParameter>
          <CssParameter name="font-size">12</CssParameter>
        </Font>
        <Fill>
          <CssParameter name="fill">#110011</CssParameter>
          <CssParameter name="fill-opacity">1</CssParameter>
        </Fill>
        <Halo />
      </TextSymbolizer>
    </CommonStyles>
    <UserStyle>
      <FeatureTypeStyle>
        <Rule>
          <Filter>
            <PropertyIsEqualTo>
              <PropertyName>object_type</PropertyName>
              <Literal>1</Literal>
            </PropertyIsEqualTo>
          </Filter>
          <PointSymbolizer>
            <Graphic>
              <ExternalGraphic>
                <OnlineResource xmlns:xlink="http://www.w3.org/1999/xlink" xlink:type="simple" xlink:href="/images/1.png" />
                <Format>image/png</Format>
              </ExternalGraphic>
              <Size>16</Size>
              <Opacity>1</Opacity>
            </Graphic>
          </PointSymbolizer>
          <TextSymbolizer ref="#name_times_normal_12" />
        </Rule>
        <Rule>
          <Filter>
            <PropertyIsEqualTo>
              <PropertyName>object_type</PropertyName>
              <Literal>2</Literal>
            </PropertyIsEqualTo>
          </Filter>
          <PointSymbolizer>
            <Graphic>
              <ExternalGraphic>
                <OnlineResource xmlns:xlink="http://www.w3.org/1999/xlink" xlink:type="simple" xlink:href="/images/2.png" />
                <Format>image/png</Format>
              </ExternalGraphic>
              <Size>16</Size>
              <Opacity>1</Opacity>
            </Graphic>
          </PointSymbolizer>
          <TextSymbolizer ref="#name_times_normal_12" />
        </Rule>
      </FeatureTypeStyle>
    </UserStyle>
  </NamedLayer>
</StyledLayerDescriptor>


XML includes? http://www.xml.com/pub/a/2002/07/31/xinclude.html


Comments

  1. Logan

    • 2017/8/28

    the < form> tag to perform various tasks required by the application. These items are divided into two main categories: field items and control items. Field items 

  2. Archer

    • 2018/11/18

    However, some companies and business types require that employees use last names on name tags. Typically wait staff at a restaurant is only identified with a first name. The same goes for someone in a retail situation. In an office setting last names would be appropriate to use as a more professional way of identifying someone in their current

  3. Porter

    • 2016/1/29

    DTD stands for Document Type Definition. An XML DTD defines the structure of an XML document. An XML document is considered “well formed” and “valid” if it is 

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    <data>

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    Book Title. Element Specifications for Cisco Unified CVP VXML Server and Call Studio, Release 12.5(1) Chapter Title. ReqICMLabel. PDF - Complete Book (3.52 MB) PDF - This Chapter (1.01 MB)

  8. Omar

    • 2020/8/29

    vxml” file extension and contain the various VoiceXML instructions for the application. It is recommended that the first instruction in any document to be seen by the 

  9. Murphy

    • 2020/3/26

    Tutorial 1: Creating A Basic VoiceXML Application. Forms; Form Items; Creating a Simple Application; Sample VoiceXML Document; Tutorial 2: Creating A Multi-Form Application. Flow control between forms, items, and documents; Conditional Statements; Tutorial 3: Multi-Document Applications and Scope. Scope in VoiceXML; Things to Remember; Additional VoiceXML Resources

  10. Zaiden

    • 2016/10/3

    The following example illustrates the basic dialog capabilities of VoiceXML using a menu and a form: <?xml version=“1.0” encoding="iso-8859-1"?> <vxml 

  11. Dean

    • 2021/4/29

    The outermost tag within a VoiceXML document.

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    VoiceXML is the HTML of the voice web, the open standard markup language for voice applications. VoiceXML harnesses the massive web infrastructure developed for HTML to make it easy to create and deploy voice applications.

  14. Sawyer

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  16. Eddie

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    defines the valid building blocks of an XML document. It defines the document structure with a list of validated elements and attributes.

  17. Tobias

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  18. Myers

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    What is a DTD? DTD stands for Document Type Definition. · Valid XML Documents A "Valid" XML document is "Well Formed", as well as it conforms to the rules of 

  19. Reyes

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    Document Type Definition (DTD) is a markup language rulebook that defines what markup elements can describe a document. The creation of user-defined tags in XML was much simpler, so the user had to specify the required tag in DTD, for validation.

  20. Fournier

    • 2018/6/30

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  21. Jameson

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  23. Tripp

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  24. Niklaus

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  25. Kye

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    Listing 15.1: Sample VoiceXML code for a time entry system. Start example. 1. <?​xml version="1.0"?> 2. <vxml version= 

  26. Terrance

    • 2019/8/13

    A VoiceXML document contains a single <vxml> element, which is the root element. The basic units of a VoiceXML document are dialogs, specified as <form> elements, and menus, identified by <menu> elements. Basic structure of a VoiceXML document. Forms. Inside of the < vxml> tag, a document is broken up into discrete dialog elements called forms. Each form has a name and is responsible for executing some portion of the dialog.

  27. Serra

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  32. Bernard

    • 2020/6/28

    Definition of XML DTD. Document Type Definition (DTD) defines the schema of an XML document which includes elements, attributes in it. If the XML documents are conformed to the DTD format then it is valid and it is used in business-to-business applications where XML documents are exchanged in which they are defined using extended Backus-Naur form. Multiple documents and different applications share DTDS also defines the order of elements.DTD are defined in the Document with the declaration

  33. Zayn

    • 2020/7/22

    namelist: The name of the form item(s) to clear. tag-format="semantics/1.0" type​="application/srgs+xml" version="1.0" xml:lang="en-US"> 

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  35. Derrick

    • 2017/9/28

    VoiceXML is the HTML of the voice web, the open standard markup language for voice applications. VoiceXML harnesses the massive web infrastructure developed for HTML to make it easy to create and deploy voice applications.

  36. Grassi

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  37. Carmelo

    • 2019/7/6

    Composer and GVP support the use of the MARK tag from the VXML Specs to detect whether or not a barge-in was detected. The Mark tag in VXML is used to set the place in a sequence of prompts and can be used to detect the barge-in position during the playback of prompts.

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