xsl:number

Inserts a formatted number into the result tree.

Format

<xsl:number  
  [level = "single" | "multiple" | "any"] 
  [count = pattern] 
  [from = pattern] 
  [value = number-expression] 
  [format = {string}] 
  [lang = {nmtoken}] 
  [letter-value = {"alphabetic" | "traditional"}] 
  [grouping-separator = {char}] 
  [grouping-size = {number}]/>

Description

You can use the value attribute to specify an expression for the number to be inserted. The XSLT processor evaluates the expression. The resulting object is converted to a number as if by a call to the number() function. The processor rounds the number to an integer and then uses the specified attributes to convert it to a string. The value of each attribute is interpreted as an attribute value template. After conversion, the resulting string is inserted in the result tree.

The following attributes control how the current node is to be numbered:

The level attribute specifies what levels of the source tree should be considered. The default is single.

The count attribute is a pattern that specifies what nodes should be counted at those levels.

The from attribute is a pattern that specifies where counting starts.

The value attribute can specify an expression that represents the number you want to insert. If no value attribute is specified, the XSLT processor inserts a number based on the position of the current node in the source tree.

The format attribute specifies the format for each number in the list. The default is 1.

The lang attribute specifies which language's alphabet is to be used.

The letter-value attribute distinguishes between the numbering sequences that use letters.

The grouping-separator attribute specifies the separator used as a grouping (for example, thousands) separator in decimal numbering sequences.

The grouping-size attribute specifies the size of the grouping. Normally, this is 3.

Example

The following example numbers a sorted list:


<xsl:template match="items"> <xsl:for-each select="item"> <xsl:sort select="."/> <p> <xsl:number value="position()" format="1. "/> <xsl:value-of select="."/> </p> </xsl:for-each> </xsl:template>

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