XML validation: Difference between revisions

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XML validation is the process of checking a document written in XML (eXtensible Markup Language) to confirm that it is both well-formed and also "valid" in that it follows a defined structure. A well-formed document follows the basic syntactic rules of XML, which are the same for all XML documents.^[1] A valid document also respects the rules dictated by a particular DTD or XML schema.^[2] Automated tools – validators – can perform well-formedness tests and many other validation tests, but not those that require human judgement, such as correct application of a schema to a data set.

Standards

OASIS CAM is a standard specification that provides contextual validation of content and structure that is more flexible than basic schema validations.
Schematron, a method for advanced XML validation.

Tools

xmllint is a command line XML tool that can perform XML validation. It can be found in UNIX / Linux environments.
XML toolkit. The XML C parser and toolkit of Gnome – libxml includes xmllint
XML Validator Online Validate your XML data.
XML Schema Validator Validate XML files against an XML Schema.

References

^ "Well-Formed XML Documents". Extensible Markup Language (XML) 1.1. W3C. 2004.
^ "Constraints and Validation Rules". XML Schema Part 1: Structures Second Edition. W3C. 2004.

Articles discussing XML validation

DEVX March, 2009 - Taking XML Validation to the Next Level: Introducing CAM Archived 2012-03-16 at the Wayback Machine

This markup language article is a stub. You can help Wikipedia by expanding it.

[1] "Well-Formed XML Documents". Extensible Markup Language (XML) 1.1. W3C. 2004.

[2] "Constraints and Validation Rules". XML Schema Part 1: Structures Second Edition. W3C. 2004.

[1]

[2]

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 {{Refimprove|date=May 2010}}
-'''XML validation''' is the process of checking a document written in [[XML]] (eXtensible Markup Language) to confirm that it is both [[Well-formed_document|Well Formed]] and also "valid" in that it follows a defined structure. A [[Well-formed_document|Well Formed Document]] follows the basic syntactic rules of XML, which are the same for all XML documents.<ref >{{cite web
+'''XML validation''' is the process of checking a document written in [[XML]] (eXtensible Markup Language) to confirm that it is both [[well-formed document|well-formed]] and also "valid" in that it follows a defined structure. A well-formed document follows the basic syntactic rules of XML, which are the same for all XML documents.<ref >{{cite web
   |work=Extensible Markup Language (XML) 1.1
   |title=Well-Formed XML Documents
@@ Line 6: / Line 6: @@
   |date=2004
   |publisher=[[W3C]]
-}}</ref> A valid document also respects the rules dictated by a particular [[Document Type Definition|DTD]] or [[XML Schema (W3C)|XML schema]], according to the application-specific choices for those particular .<ref >{{cite web
+}}</ref> A valid document also respects the rules dictated by a particular [[Document Type Definition|DTD]] or [[XML Schema (W3C)|XML schema]].<ref >{{cite web
   |title=Constraints and Validation Rules
   |work=XML Schema Part 1: Structures Second Edition
@@ Line 12: / Line 12: @@
   |publisher=[[W3C]]
   |url=http://www.w3.org/TR/xmlschema-1/#concepts-schemaConstraints
+}}</ref> Automated tools – [[validator]]s – can perform well-formedness tests and many other validation tests, but not those that require human judgement, such as correct application of a schema to a data set.
-}}</ref>
+== Standards ==
-In addition, extended tools are available such as OASIS CAM standard specification that provide contextual validation of content and structure that is more flexible than basic schema validations.
+* OASIS CAM is a standard specification that provides contextual validation of content and structure that is more flexible than basic schema validations.
-''[[libxml2|xmllint]]'' is a command line XML tool that can perform XML validation. It can be found in [[UNIX]] / [[Linux]] environments. An example with the use of this program for validation of a file called ''example.xml'' is
+* [[Schematron]], a method for advanced XML validation.
-: xmllint --valid --noout example.xml
-== References ==
+== Tools ==
-{{Reflist}}
+* ''[[libxml2|xmllint]]'' is a command line XML tool that can perform XML validation. It can be found in [[UNIX]] / [[Linux]] environments.
-==External links==
+* XML toolkit. [http://xmlsoft.org/xmldtd.html The XML C parser and toolkit of Gnome] &ndash; libxml includes xmllint
-; Example C program
+* [https://codebeautify.org/xmlvalidator XML Validator Online] Validate your XML data.
-* [http://knol2share.blogspot.com/2009/05/validate-xml-against-xsd-in-c.html Validate XML against XSD in C] (using libxml)
+* [https://www.corefiling.com/opensource/schemaValidate XML Schema Validator] Validate XML files against an XML Schema.
-; XML toolkit
-*[http://xmlsoft.org/xmldtd.html The XML C parser and toolkit of Gnome] &ndash; libxml includes xmllint
-*[http://www.zlatkovic.com/libxml.en.html Windows port of libxml] &ndash; maintained by Igor Zlatkovic
-; Online validators for XML files
-*http://www.xmlvalidation.com/
-*http://www.stg.brown.edu/service/xmlvalid/
-*http://www.jcam.org.uk
-*[http://www.XMLdation.com/ XMLdation.com is focused on payment-related ISO 20022 XML files]
+==References==
+{{Reflist}}
+:*
 ; Articles discussing XML validation
-*[http://www.devx.com/xml/Article/41066 DEVX March, 2009 - Taking XML Validation to the Next Level: Introducing CAM]
+:*[http://www.devx.com/xml/Article/41066 DEVX March, 2009 - Taking XML Validation to the Next Level: Introducing CAM] {{Webarchive|url=https://web.archive.org/web/20120316091304/http://www.devx.com/xml/Article/41066 |date=2012-03-16 }}
@@ Line 44: / Line 37: @@
 {{markup-languages-stub}}
-[[ca:Validació XML]]
-[[es:Validación XML]]
-[[zh:XML validation]]