A list of number operators that are used with XPath expressions:
| Index | Operator | Description |
|---|---|---|
| 1) | + | It is used for addition operation. |
| 2) | - | It is used for subtraction operation. |
| 3) | * | It is used for multiplication operation. |
| 4) | div | It is used for division operation. |
| 5) | mod | It is used for modulo operation |
A list of functions on numbers that are used with XPath expressions:
| Index | Function | Description |
|---|---|---|
| 1) | ceiling() | It is used to return the smallest integer larger than the value provided. |
| 2) | floor() | It is used to return the largest integer smaller than the value provided. |
| 3) | round() | It is used to return the rounded value to nearest integer. |
| 4) | sum() | It is used to return the sum of two numbers. |
Let's take an example to create a table of <employee> element with its attribute id and its child <firstname>,<lastname> <nickname> and <salary>. It calculates salary of the employees and then displays the result.
Employee.xml
<?xml version = "1.0"?>
<?xml-stylesheet type = "text/xsl" href = "employee.xsl"?>
<class>
<employee id = "001">
<firstname>Abhiram</firstname>
<lastname>Kushwaha</lastname>
<nickname>Manoj</nickname>
<salary>15000</salary>
</employee>
<employee id = "002">
<firstname>Akash</firstname>
<lastname>Singh</lastname>
<nickname>Bunty</nickname>
<salary>25000</salary>
</employee>
<employee id = "003">
<firstname>Brijesh</firstname>
<lastname>Kaushik</lastname>
<nickname>Ballu</nickname>
<salary>20000</salary>
</employee>
<employee id = "004">
<firstname>Zoya</firstname>
<lastname>Mansoori</lastname>
<nickname>Sonam</nickname>
<salary>30000</salary>
</employee>
</class>Employee.xsl
<?xml version = "1.0" encoding = "UTF-8"?>
<xsl:stylesheet version = "1.0"
xmlns:xsl = "http://www.w3.org/1999/XSL/Transform">
<xsl:template match = "/">
<html>
<body>
<h2>Employee</h2>
<table border = "1">
<tr bgcolor = "pink">
<th>ID</th>
<th>First Name</th>
<th>Last Name</th>
<th>Nick Name</th>
<th>Salary</th>
<th>Grade</th>
</tr>
<xsl:for-each select = "class/employee">
<tr>
<td><xsl:value-of select = "@id"/></td>
<td><xsl:value-of select = "firstname"/></td>
<td><xsl:value-of select = "lastname"/></td>
<td><xsl:value-of select = "nickname"/></td>
<td><xsl:value-of select = "salary"/></td>
<td>
<xsl:choose>
<xsl:when test = "salary div 25000 > 1">
High
</xsl:when>
<xsl:when test = "salary div 20000 > 1">
Medium
</xsl:when>
<xsl:otherwise>
Low
</xsl:otherwise>
</xsl:choose>
</td>
</tr>
</xsl:for-each>
</table>
</body>
</html>
</xsl:template>
</xsl:stylesheet>Output:
