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Author:
nathanhornby
Version:
1.2
Release Date:
14 Apr 2013
Category:
String Operations

Description

Mantissa to Integer, for want of a better name, will convert a decimal to an integer if the characteristic is 0, else return the original value rounded off to two decimal places with the appropriate currency accompaniment.

i.e. 0.6 becomes 60p, and 3.7 becomes £3.70.

GitHub repo: https://github.com/3DegreesAgency/symphony_utilities/blob/master/mantissa-to-integer.xsl

Update 1.2 - Added the ability to pass non-number values through the utility (for dynamic content), and the ability to return fractions of a penny.

i.e. 'FREE' becomes 'FREE', and 0.064 becomes 6.4p

XSLT

View Raw
<?xml version="1.0" encoding="UTF-8"?>
<xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform">

<!--

	Mantissa to Integer
	************************************************

	- Author: Nathan Hornby @ 3Degrees Agency <http://www.3degreesagency.com>
	- Version: 1.2
	- Release date: 7th March 2013


	What's it for?
	================================================

	'Mantissa to Integer' will convert a decimal to an integer if the characteristic is 0, else return the original value rounded off to two decimal places with the appropriate currency accompaniment.

	i.e. 0.6 becomes 60p, and 3.7 becomes £3.70.


	Parameters
	================================================
	
	1. value    - [required] the value you wish to convert.
	3. suffix   - [optional] defines the suffix to be returned when the value is less than 0.
	4. prefix   - [optional] defines the prefix to be returned when the value is greater than 0.


	Example one
	================================================

	<xsl:call-template name="mantissa-to-integer">
		<xsl:with-param name="value" select="0.6"/>
		<xsl:with-param name="prefix" select="'&#163;'"/>
		<xsl:with-param name="suffix" select="'p'"/>
	</xsl:call-template>

	Returns:

	60p


	Example two
	================================================

	<xsl:call-template name="mantissa-to-integer">
		<xsl:with-param name="value" select="3.7"/>
		<xsl:with-param name="prefix" select="'&#163;'"/>
		<xsl:with-param name="suffix" select="'p'"/>
	</xsl:call-template>

	Returns:

	£3.70

	Example three
	================================================

	<xsl:call-template name="mantissa-to-integer">
		<xsl:with-param name="value" select="0.016"/>
		<xsl:with-param name="prefix" select="'&#163;'"/>
		<xsl:with-param name="suffix" select="'p'"/>
	</xsl:call-template>

	Returns:

	1.6p

-->

<xsl:template name="mantissa-to-integer">

	<!--  Parameters
	================================================ -->
	<xsl:param name="value"/>
	<xsl:param name="prefix"/>
	<xsl:param name="suffix"/>
	<xsl:param name="decimated-value">
		<xsl:choose>
			<xsl:when test="string(number($value)) = 'NaN'">
				<xsl:value-of select="$value"/>
			</xsl:when>
			<xsl:when test="not(contains($value , '.'))">
				<xsl:value-of select="concat($value , '.00')"/>
			</xsl:when>
			<xsl:when test="string-length(substring-after($value , '.')) = 1">
				<xsl:value-of select="concat($value , '0')"/>
			</xsl:when>
			<xsl:otherwise>
				<xsl:value-of select="$value"/>
			</xsl:otherwise>
		</xsl:choose>
	</xsl:param>

	<!--  Output
	================================================ -->
	<xsl:choose>
		<xsl:when test="string(number($decimated-value)) = 'NaN'">
			<xsl:value-of select="$decimated-value"/>
		</xsl:when>
		<xsl:when test="substring-before($decimated-value, '.') = 0">
			<xsl:variable name="mantissa" select="substring(substring-after($decimated-value, '.'), 1, 3)"/>
			<xsl:choose>
				<xsl:when test="string-length($mantissa) &gt; 2">
					<xsl:choose>
						<xsl:when test="substring($mantissa, 1, 1) = '0'">
							<xsl:value-of select="concat(substring($mantissa, 2, 1) , '.' , substring($mantissa, 3, 3))"/><xsl:copy-of select="$suffix"/>
						</xsl:when>
						<xsl:otherwise>
							<xsl:value-of select="concat(substring($mantissa, 1, 2) , '.' , substring($mantissa, 3, 3))"/><xsl:copy-of select="$suffix"/>
						</xsl:otherwise>
					</xsl:choose>	
				</xsl:when>
				<xsl:when test="substring($mantissa, 1, 1) = 0">
					<xsl:value-of select="substring($mantissa, 2, 1)"/><xsl:copy-of select="$suffix"/>
				</xsl:when>
				<xsl:otherwise>
					<xsl:value-of select="$mantissa"/><xsl:copy-of select="$suffix"/>
				</xsl:otherwise>
			</xsl:choose>
		</xsl:when>
		<xsl:otherwise>
			<xsl:copy-of select="$prefix"/><xsl:value-of select="concat(substring-before($decimated-value, '.') , '.' , substring(substring-after($decimated-value, '.'), 1, 2))"/>
		</xsl:otherwise>
	</xsl:choose>

</xsl:template>
</xsl:stylesheet>

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Server Requirements

  • PHP 5.3-5.6 or 7.0-7.1
  • PHP's LibXML module, with the XSLT extension enabled (--with-xsl)
  • MySQL 5.5 or above
  • An Apache or Litespeed webserver
  • Apache's mod_rewrite module or equivalent

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