I want a page like this:
<?xml version="1.0" encoding="UTF-8"?>
<html xmlns="http://www.w3.org/1999/xhtml"
xmlns:m="mine.xsd">
<m:dialog m:title="Hello">Hi there!</m:dialog>
</html>
How can I write "mine.xsd"?
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2 Answers
xsd files are XML Schema files, read about it. Some more here.
A simple example:
XMLSchema1.xsd
<?xml version="1.0" encoding="utf-8"?>
<xs:schema id="Types"
targetNamespace="http://tempuri.org/"
elementFormDefault="qualified"
xmlns="http://tempuri.org/"
xmlns:mstns="http://tempuri.org/"
xmlns:xs="http://www.w3.org/2001/XMLSchema"
>
<xs:simpleType name="Types">
<xs:annotation>
<xs:documentation>.NET types</xs:documentation>
</xs:annotation>
<xs:restriction base="xs:string">
<xs:enumeration value="String" />
<xs:enumeration value="Int16" />
<xs:enumeration value="Int32" />
<xs:enumeration value="Int64" />
<xs:enumeration value="DateTime" />
<xs:enumeration value="Double" />
</xs:restriction>
</xs:simpleType>
<xs:simpleType name="DataSize">
<xs:annotation>
<xs:documentation>Number of bytes of the data</xs:documentation>
</xs:annotation>
<xs:restriction base="xs:int" />
</xs:simpleType>
<!-- ... -->
</xs:schema>
Then in your XML file you can use:
<?xml version="1.0" encoding="utf-8" ?>
<ValueSet
xmlns="http://tempuri.org/"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://tempuri.org/ XMLSchema1.xsd">
<Values>
<Value Name="Stats" Type="Int32" DataSize="4" />
<Value Name="Time" Type="DateTime" DataSize="4" />
<Value Name="Some" Type="Double" DataSize="4" />
<Value Name="Other" Type="Double" DataSize="4" />
</Values>
</ValueSet>
2 Comments
JSPDeveloper01
What I want is to embed some custom tags or attributes into XHTML code without causing syntax errors. Is there any way I can "inject" my tags into
<html> element using XML schemas?
Andreas Covidiot
@JSPDeveloper01: I think the augmentation could be done like this with
xsd:annotation/xsd:appinfo in your custom xsd: stackoverflow.com/a/36289758/1915920You can write that XSD file yourself, by hand - you just need to study what makes up the XML schema, and get to know how to write that code yourself. Google or Bing for "XML Schema Tutorial" should give you a ton of hits (e.g. the W3Schools XML Schema Tutorial).
Or you could use Visual Studio to do this:
- open the XML file you want to handle in Visual Studio
- From the
XMLmenu, choose theCreate Schemamenu item
This will generate an XML schema from your XML file.
Note: this is a good starting point - but it's by no means perfect. Especially with smaller XML files, there are lots of things the generation process cannot know and it just has to make certain assumptions - which might be right or might be wrong. You will need to have a look at the XML schema file for sure - and that's where the know-how from the first option comes into play very handily!
