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Question
DTD
ELEMENT DECLARATIONS
<!ELEMENT element_name (list of child names)>
Child element specification modifiers -> +, *, ?
<!ELEMENT element_name (#PCDATA)> ANY and EMPTY
ATTRIBUTE DECLARATIONS
<!ATTLIST element_name attribute_name attribute type [default_value]>
Possible Default values ->
some value
#FIXED value
#REQUIRED
#IMPLIED
ENTITY DECLARATIONS
<!ENTITY entity_name “entity_value”>
<!ENTITY entity_name SYSTEM “file_location”>
NOTATIONS
- Constructing table - display:table
Adding a row to the table – display:table-row
Adding a cell to the row – display:table-cell
displaying attributes :
elementname:after {content:attr(“attributename”)}
Linking to CSS file:
<?xml-stylesheet type=“text/css” ref=“a.css”?>
C S S
Limitations of CSS
Change the order of elements in the document
Make computations on the content of the document
Add content to the document
Combine multiple documents into one
X S L T
eXtensible StyleSheet Language (XSL) is a family of recommendations for defining XML document transformations and presentation
XSL consists of XSL Transformations (XSLT),
XML Path Language (XPath),
XSL Formatting Objects (XSL-FO)
Template Driven Model
Data Driven Model
XSL Document Structure
<xsl:stylesheet xmlns:xsl=http://www.w3.org/1999/XSL/Transform
xmlns=http://www.w3.org/1999/xhtml>
Template specification :
<xsl:template match=“xpath expression”>
Value of an element <xsl:value-of select=“xpath”>
Looping using <xsl:for-each select=“xpath”>
Sorting using <xsl:sort select=“xpath” order=“ascending | descending” />
<?xml-stylesheet type=“text/xsl” href=“a.xsl”?>
XML
4. a) Design an XML document to store information about a student in an
engineering college affiliated to VTU. The information must include USN, Name, Name of the College, Branch, Year of Joining, and e-mail id. Make up sample data for 3 students. Create a CSS style sheet and use it to display the document.
b) Create an XSLT style sheet for one student element of the above document and use it to create a display of that element.