XML::Simple is the most complex XML parser available The main problem with XML::Simple is that the resulting structure is extremely hard to navigate correctly. $ele->{ele_name} can return any of the following (even for elements that follow the same spec): [ { att => ‘val’, …, content => [ ‘content’, ‘content’ ] }, … ] [ … Read more
Well-formed vs Valid XML Well-formed means that a textual object meets the W3C requirements for being XML. Valid means that well-formed XML meets additional requirements given by a specified schema. Official Definitions Per the W3C Recommendation for XML: [Definition: A data object is an XML document if it is well-formed, as defined in this specification. … Read more
If you use an appropriate class or library, they will do the escaping for you. Many XML issues are caused by string concatenation. XML escape characters There are only five: ” " ‘ ' < < > > & & Escaping characters depends on where the special character is used. The examples can be validated … Read more
Defining namespaces in XPath (recommended) XPath itself doesn’t have a way to bind a namespace prefix with a namespace. Such facilities are provided by the hosting library. It is recommended that you use those facilities and define namespace prefixes that can then be used to qualify XML element and attribute names as necessary. Here are … Read more
You can find the XML Schema for Schemas here. However, you probably do not need it unless you’re trying to validate an XSD (as opposed to validating an XML document instance with against an XSD). See also: xmlns, xmlns:xsi, xsi:schemaLocation, and targetNamespace? How to link XML to XSD using schemaLocation or noNamespaceSchemaLocation? Must an XML … Read more
In XSLT 2.0 you can write: <xsl:template match=”parent”> <xsl:copy> <child> <xsl:value-of select=”child” separator=”;”/> </child> </xsl:copy> </xsl:template>