Support completion with xs:any

[angelozerr]

See redhat-developer/vscode-xml#177

Signed-off-by: azerr [email protected]

[angelozerr]

To test this PR, create

• a XML Schema any.xsd with xs:any like this:

<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema"
	targetNamespace="http://ui">
	<xs:element name="textbox"></xs:element>
	<xs:element name="page">
		<xs:complexType>
			<xs:sequence>				
				<xs:element name="title" />
				<xs:any processContents="strict" />
			</xs:sequence>			
		</xs:complexType>
	</xs:element>
</xs:schema>

• XML file like this:

<ui:page xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:ui="http://ui" xsi:schemaLocation="http://ui any.xsd" >
    <title></title>
    |
    <a />
</ui:page>

Open completion after title, you should see:

• ui:textbox
• ui:page

In the xsd file, change to lax:

<xs:any processContents="lax"/>

Open completion after title, you should see:

• ui:textbox
• ui:page
• title
• a
  Here the demo:

[NikolasKomonen]

@angelozerr I've tested it, also with a second xsd file. It all works great. Should be good to go.

[angelozerr]

Thank a lot @NikolasKomonen !